US20130251871A1 - Food Product Steamer and Method - Google Patents
Food Product Steamer and Method Download PDFInfo
- Publication number
- US20130251871A1 US20130251871A1 US13/897,687 US201313897687A US2013251871A1 US 20130251871 A1 US20130251871 A1 US 20130251871A1 US 201313897687 A US201313897687 A US 201313897687A US 2013251871 A1 US2013251871 A1 US 2013251871A1
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- United States
- Prior art keywords
- food product
- platform
- hood
- food
- steamer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF
- A21D17/00—Refreshing bakery products or recycling bakery products
- A21D17/008—Refreshing by steam treatment
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- A23L1/0121—
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
Definitions
- This invention generally relates to food steamers. More particularly, this invention relates to a steamer and steaming method for food products that include sandwich buns, rolls, croissants and bagels, as well as pastas, vegetables and other food products.
- Steamers are used in the food service industry to treat bread and bread-type products prior to being served. When steam impregnates a bread-type food product, such as a sandwich roll, the steam tends to soften the bread product making the bread product seem fresher.
- Steamers include both boiler-type steamers as well as flash steamers in which a volume of water is deposited or sprayed onto a hot surface, which “flashes” or converts the water to steam. A small, fixed amount of water is delivered onto a hot, dry surface which causes the water to be quickly boiled off and turned into steam.
- a problem with prior art steamers is the removal of a food product after it has been steamed or cooked. Since many restaurants sell food products in specialized packages, it would be advantageous for a food product steamer to be able to steam a food product as well as dispense or serve the food product into a package in which the food product will be sold.
- FIG. 1 is a perspective view of a food product steamer
- FIG. 2 is a front view of the food product steamer shown in FIG. 1 ;
- FIG. 3 is a perspective view of the food product steamer shown in FIG. 1 with the hood opened;
- FIG. 4 is an exploded view of the food product steamer shown in FIG. 3 ;
- FIG. 5 is a top view of the food product steamer
- FIG. 6 is a side, cross-sectional view
- FIG. 7 is an end, cross section view
- FIG. 8 is an end, cross section view
- FIG. 9 is an end, cross section view
- FIG. 10A is a perspective view of a first alternate embodiment
- FIG. 10B is a cross sectional view of the alternate embodiment shown in FIG. 10A ;
- FIG. 11A is a perspective view of a second alternate embodiment
- FIG. 11B is a cross sectional view of the alternate embodiment shown in FIG. 11A ;
- FIG. 12A is a perspective view of a third alternate embodiment
- FIG. 12B is a cross sectional view of the alternate embodiment shown in FIG. 12A ;
- FIG. 13 is an isolated view of a food product steamer, showing placement of hinges relative to the opening 15 ;
- FIG. 14 is a perspective view of a fourth alternate embodiment
- FIG. 15A is an exploded view of another alternate embodiment wherein the food product platform can rotate in two directions;
- FIG. 15B is a cross-sectional front view of the embodiment shown in FIG. 15A showing the food product platform rotated counterclockwise;
- FIG. 15C is a cross-sectional front view of the embodiment shown in FIG. 15A with the food product platform shown in FIG. 15A , rotated clockwise.
- FIG. 1 depicts the shape and appearance of a preferred embodiment of a food product steamer 10 .
- FIG. 1 also shows that the steamer 10 is comprised of a steam-trapping hood 30 and a steam-generating/steam-emitting base 2 .
- the hood 30 has a shape reminiscent of a Quonset in the sense that the hood 30 has a somewhat arching roof-shape.
- the base 2 has a shape reminiscent of a rectangular parallelepiped.
- the base 2 has a control panel with a display and controls for electronic devices inside the base, such as a timer and water controls.
- the display and the controls which are operable by a user, comprise a user interface for the steamer.
- the base 2 has a substantially planar top face or surface 3 , a left sidewall 4 , right sidewall 5 , a front end wall 6 and a rear wall 7 .
- the two sidewalls 4 and 5 are provided with air vents as shown.
- Not visible in FIG. 1 is an opening 14 in the top side 3 through which steam is emitted from the surface of a steam-generating platen, such as the one disclosed in the Applicant's co-pending patent application entitled, Food Product Steamer, filed on Oct. 10, 2008, and which is identified by U.S. patent application Ser. No. 12/249,125.
- the contents of patent application Ser. No. 12/249,125 are incorporated herein by reference.
- the opening 14 in the top side 3 of the steamer 10 is covered by a steam-trapping hood 30 .
- Steam that is trapped within the hood can be used to freshen bread products such as sandwich rolls and breads.
- the steam can also be used to cook foods, such as vegetables and pasta.
- An elongated continuous hinge 34 also known as a piano hinge 34 , rotatably connects the hood 30 to the base 2 .
- the hinge 34 is attached to the left side 4 of the base 2 and just below the top surface 3 .
- a handle 31 attached to the hood 30 through a stem 32 allows an operator to rotate the hood counterclockwise (when viewed from the front panel 6 ) to open the hood 30 .
- the bottom of the hood 30 and the top surface 3 of the base 2 are substantially co-planar. Stated another way, the angle ⁇ 1 defined by the bottom surface of the hood 30 and the top surface 3 of the base 2 , as measured around a geometric axis defined by the pivot of the piano hinge 34 is zero degrees or nearly zero degrees.
- FIG. 2 is a front view of the steamer 10 shown in FIG. 1 .
- the angle ⁇ 1 between the hood 30 and the top surface 3 of the base 2 is more clearly visible in FIG. 2 in that, the top surface 3 of the base 2 and the bottom face or edge of the hood 30 are contiguous.
- the angle formed between the bottom edge or surface of the hood and the top 3 of the base 2 is identified in the figure by ⁇ 1 .
- FIG. 3 is a different perspective view of the food product steamer 10 .
- the hood 30 is shown in its full-open position.
- a geometric plane defined by the edges 35 of the hood 30 is substantially parallel to a geometric plane defined by the top side 3 of the base 2 .
- a second, larger angle identified as ⁇ 4 exists between the plane defined by the bottom edges 35 of the hood 30 and the plane defined by the top surface 3 of the base 2 .
- ⁇ 4 is substantially equal to 180°.
- ⁇ 1 is zero or nearly zero.
- the second angle ⁇ 4 is much larger, typically 180 degrees or nearly 180 degrees.
- FIG. 3 food products 25 embodied as bread rolls are shown resting on top of relatively thin, planar and substantially rectangular-shaped food product support platforms which are identified by reference numeral 20 .
- the platforms 20 are perforated with several holes 24 , shown in FIG. 4 .
- the holes 24 are sized, shaped and arranged to allow steam to pass through them.
- the holes 24 in the platforms 20 are thus considered herein to be “steam-passing” holes.
- each food product platform 20 is attached to a hinge 26 , which is in turn attached to the base 2 at the top surface 3 thereof.
- the axes of the hinges 26 define geometric axes around which the food product platforms 20 rotate when the platforms 20 are lifted using one of the handles 21 , which are attached to the platforms by stems 23 .
- the food product platforms 20 rest at a position such that the angle ⁇ between the food product platform 20 and the top side 3 of the base 2 is substantially equal to 0°.
- the food product platforms 20 are horizontal or substantially horizontal and located above the steam generating basin 12 from which steam is emitted.
- the platforms 20 can be rotated about the hinge 26 by an operator lifting a handle 21 attached to the platform 20 through a stem 23 .
- rotating the platform 20 counterclockwise around the axis defined by the hinge 26 lifts the food products 25 around the axis to a point where the food product 25 will eventually slide off or fall off the food product platform 20 due to gravity acting on the food product 25 .
- FIG. 4 is an exploded view of the food product steamer shown in FIGS. 1-3 .
- the base 2 can clearly be seen to have a top surface 3 , left sidewall 4 , right sidewall 5 , a front end wall 6 and a rear end wall 7 .
- An elongated “piano” hinge 34 for the hood 30 is attached to the left sidewall 4 and to the hood 30 to allow the hood 30 to rotate about the axis defined by the hinge 34 . Rotating the hood clockwise around the hinge 34 lowers the concave-shaped portion of the hood over a food product 25 resting on a platform 20 .
- Steam is generated by water that flows onto the inclined heated surfaces 33 and 37 of the basin/heated platen 12 through a hole 42 in the apex 38 of the two inclined surfaces 33 , 37 .
- the water is provided to the basin/heated platen 12 by a water conduit 44 that extends upwardly through the base 2 and supplied by a source not shown in the figure.
- the open top of the basin 12 is considered to be an opening 14 from which steam is emitted.
- Steam that is generated over the heated surfaces 33 and 37 passes through a venturi plate 16 , which like the platform 20 , is provided with numerous, steam-passing small holes 17 .
- the holes 17 in the venturi plate 16 are also considered to be steam-passing holes or openings through which steam is emitted.
- the basin 12 shown in FIG. 4 is substantially rectangular.
- An exterior rim 15 of the basin 12 is considered herein to define a limit of the opening 14 . Stated another way, the rim 15 defines where the opening 14 begins and ends. The space or area inside the rim 15 is therefore considered to be an opening from which steam is emitted.
- FIG. 5 is a top view of the food product steamer 10 shown in FIGS. 1-4 .
- the hinge 34 to which the hood 30 is attached is itself attached to the left side wall 4 of the base 2 through the aforementioned hinge 34 .
- the hinges 26 that attach the platforms 20 to the base 2 are themselves attached to the top surface 3 of the base 2 .
- notches 36 formed in the hood 30 allow the hood 30 to close over the stems 23 by which the handles 21 for the platforms 20 are attached to the platforms 20 .
- a geometric axis about which the platform 20 rotates is defined by the hinges 26 .
- the hinges 26 and its corresponding axes are separated from the edge 15 of the basin 12 , i.e., from the opening from which steam is produced, by a first distance identified in the figure by D 1 .
- the hinge 34 for the hood 30 is attached to the left sidewall 4 of the base 2 , such that the axis defined by the hood hinge 34 is separated from the lip or edge 15 , and hence the opening from steam is emitted, by a greater distance identified as D 2 .
- FIG. 6 is a cross-sectional view of the steamer 10 shown in FIG. 5 , taken through lines 6 - 6 of FIG. 5 . It can be seen that water dispensed onto the heated surfaces 33 and 37 through a port 44 flows from the apex 38 downwardly, boiling off as it runs over the heated surfaces 33 and 37 . Water that is thus flashed into steam passes through holes 17 in the venturi plate 16 , through the steam-passing holes 24 in the platforms 20 and into a bread product or other food product on the platforms 20 .
- FIG. 7 is a cross-sectional view of the steamer 10 shown in FIG. 5 taken through section lines 7 - 7 .
- the different separation distances of the hinges 26 and 34 from the opening 14 in the top 3 and which is defined by the edge 15 are more clearly visible in FIG. 7 .
- the first separation distance D 1 of the platform hinges 26 from the edge 15 is clearly seen to be less than the second separation distance D 2 , D 2 being the separation distance of the second hinge 34 from the edge 15 .
- FIG. 7 the food product support platform 20 is shown at a resting angle position ⁇ 1 where it supports a food product 25 over the venturi plate 16 and the opening 14 in the basin 12 .
- FIG. 8 shows the platform 20 rotated in a counterclockwise direction to a second angle identified as ⁇ 2 .
- ⁇ 2 the second angle identified as ⁇ 2 .
- the food product 25 on the platform eventually falls or slides off the platform and into the concave space defined by the hood 30 , which is rotated to its full open position.
- the surface of the platform 20 is highly polished.
- FIGS. 7 , 8 and 9 show that when the steam-trapping hood 30 is rotated from a closed position where it covers a food product 25 on the platforms 20 , to an open position, such as the one shown in FIG. 7 , a food product 25 on the platform 20 can thereafter be rotated on the platform 20 and “dropped” into the hood 30 or a package 50 for the food product, such as a point-of-sale package 50 , simply by lifting the platform 20 by its handle 21 .
- FIGS. 10A and 10B depict a first alternate embodiment of the steamer 10 .
- the steamer 10 A shown in FIGS. 10A and 10B differs from the steamer 10 shown in FIGS. 1-8 in that the single hood 30 shown in FIGS. 1-8 is replaced with two separate and individually operable hoods 30 A and 30 B.
- each hood 30 A and 30 B is formed with notches 36 that allow the hoods to rotate to a clockwise position and close relatively tightly over the food product 25 and the platforms 20 on which they rest.
- the embodiment shown in FIGS. 10A and 10B also permits the rotation of a support platform 20 from a first acute angle that is equal to or nearly equal to 0° to a second larger angle ⁇ 2 at which a food product 25 will slide off or drop off the platform into a hood or a point of sale carton.
- FIG. 10B shows that the hinge 26 for the platform 20 is separated from the edge 15 of the opening 14 in the basin 12 by a first distance identified as D 1 .
- the hood hinge 34 which is attached to the left side 4 of the base 2 is separated from the edge 15 by a greater distance identified as D 2 of the opening.
- FIGS. 11A and 11B depict a third embodiment of a food product steamer 10 B.
- a single hood 30 is attached to the right side 5 of the base 2 through a piano hinge identified by reference numeral 34 A.
- the platforms 20 are attached to the top surface 3 of the base 2 with the hinges 26 adjacent or approximate to the left side 4 .
- the third embodiment shown in FIGS. 11A and 11B differs from the other embodiments in that rotation of the platform 20 around the axis defined by the hinges 26 drops the food product 25 into a package 50 resting on the surface on which the steamer itself rests.
- the hood 30 rotates clockwise from its closed position to its open position.
- the separation distance between the platform hinge 26 and the edge 15 of the opening 14 is identified as D 1 .
- the separation distance between the edge 15 of the opening 14 and the piano hinge 34 A for the hood 30 is identified as D 2 . Since the piano hinge 34 A is attached to the right side whereas the platform hinge 26 is attached inside the left side 4 , D 2 is greater than D 1 in FIG. 10B . Since the hinges are on opposite sides of the opening defined by the edge 15 of the basin 12 , in an alternate embodiment of that shown in FIGS. 11A and 11B , D 2 could also be less than or equal to D 1 .
- FIGS. 12A and 12B depict yet another embodiment of a food product steamer 10 C.
- the piano hinge 34 A for the hood 30 is attached to the right side 5 as with the embodiment shown in FIGS. 11A and 11B .
- the platforms 20 A and 20 B rotate clockwise and counterclockwise respectively around corresponding piano hinges 26 A and 26 B.
- the separation distances D 1 of the hinges 26 A and 26 B from the edge 15 of the opening 14 are substantially the same. In an alternate embodiment, however, the separation distances of the hinges 26 A and 26 B from the edge 15 can be different.
- the separation distance D 2 of the hinge 34 A for the hood is greater than D 1 owing to the fact that the hinge 34 A is attached to the right sidewall 5 .
- the hinge 34 A could also be attached to the top surface 3 , on the right-hand side of the opening 14 .
- FIG. 13 is a close-up view of the steamers shown in FIGS. 11A through 12B . This figure shows the spacing and location of the hinges 26 relative to the edge 15 .
- the venturi plate 16 can also be seen to be just inside the edge 15 of the basin 12 .
- FIG. 14 is another perspective view of yet another alternative embodiment of a steamer 10 D.
- FIG. 14 also shows dimension lines extending from the axes of the various hinges and the determination of the corresponding separation distances D 1 and D 2 .
- FIG. 15A is an exploded view of another alternate embodiment of a steamer 10 E.
- the food product platform 20 can rotate in two directions by attaching the platform 20 to a double-acting hinge 60 assembly.
- a double-acting hinge is sometimes referred to as a “saloon-door hinge” in that a saloon door can swing in two directions.
- the double-acting hinge mechanism 60 shown in FIGS. 15A-15C permits the food support platform 20 to rotate away from the steam-emitting opening 14 of the base 2 , in two directions.
- the double-acting hinge 60 is comprised of two hinges 26 A and 26 B and a substantially rectangular, platform base plate 27 .
- One “side” of a first hinge 26 A is attached to the top surface 3 of the base 2 while the other “side” of the first hinge 26 A is attached along one edge of the platform base plate 27 , preferably to the bottom or underside of the platform base plate 27 , not visible in the figure.
- One “side” of a second hinge 26 B is attached to the platform base plate 27 along a second opposite edge of the platform base plate 27 as shown.
- the second “side” of the second hinge 26 B is attached to the food product support platform 20 , preferably to the bottom or underside of the food support platform 20 .
- the two hinges 26 A and 26 B are configured to allow the platform base plate 27 and the platform to rotate “away” from the steam-emitting opening 14 , in opposite directions.
- the first hinge 26 A is connected between the base 2 and the platform base plate 27 .
- the first hinge 26 A allows the platform base plate 27 , and anything attached to the platform base plate 27 , to rotate “away” from the steam-emitting opening 14 , in counterclockwise direction (when viewed from the front) around an axis of rotation defined by the first hinge 26 A. Since the second hinge 26 B is attached to the platform base plate 27 , it will rotate counterclockwise with the platform base plate 27 , around the first hinge 26 A, as the platform base plate 27 is rotated “away” from the opening 14 in a counterclockwise direction.
- the second hinge 26 B which is attached to the platform base plate 27 along an edge opposite the first hinge 26 A, allows the food product support platform 20 to rotate away from the opening 14 in a clockwise direction, leaving the platform base plate 27 against the top 3 of the base 2 .
- the two hinges 26 A and 26 B and the platform base plate 27 thus comprise a double-acting hinge, which effectively allows the food product support platform 20 to rotate together with the platform base plate 27 in a first direction (counterclockwise in the figure) and to rotate without the platform base plate 27 in a second direction (clockwise in the figure).
- the centers of the platform base plate 27 are open, providing large steam-passing openings or holes 29 . Steam passes through the holes 29 in the platform base plate 27 and into the steam passing holes 24 formed in the food product support platform 20 .
- the large openings 29 in the platform base plate 27 allow the steam to pass through the food product support platform 20 with minimal heat loss.
- a steam-trapping hood 30 is attached to one side of the base 2 by an elongated piano hinge 34 .
- the hood 30 When the hood 30 is open, as shown in FIGS. 15B and 15C , food products on the platform 20 can be removed from the platform 20 by rotating the platform 20 in either clockwise or counterclockwise direction.
- an alternate and equivalent embodiment includes using small, individual hinges instead of a piano hinge, which permit the attachment of the hood 30 to the same surface of the base 2 that the platforms 20 are attached to.
- the location of such hinges relative to the edge 15 of the opening 14 could therefore be a design choice, i.e., less than or equal to D 1 .
- Such embodiments would include attaching both hinges to the top side 3 of the base 2 .
- both hinges 26 and 34 can be attached to the same side of the base such that D 1 and D 2 would be equal or substantially equal.
- the hood 30 is preferably a rigid plastic but can also be comprised of a flexible plastic sheet or even a water permeable membrane so long as the hood is able to enclose or substantially enclose a food product on the platform and retain steam that is generated in the base 2 .
- the hood 30 is first rotated around an axis defined by the hinge 34 , from a first, closed position to a second open position.
- the hood 30 is depicted in a closed position when the angle between its lower edges 35 and the top 3 is zero or substantially equal to zero degrees.
- the fully open position is preferably when the angle between the edges 35 and the top 3 is parallel or nearly parallel to the top face 3 of the hood 2 such that the concave shape of the hood 30 will retain a food product 25 , with or without a point-of-sale package 50 placed into the hood 30 .
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Abstract
A food product steamer and method of producing a steamed food product are provided. The food product steamer includes rotatable platforms that can be covered and uncovered by one or more rotatable, concave hoods. In a first position for the platform(s), the plafform(s) supports a food product over a steam-emitting opening above a steam generator. In a first position for the hood, the hood covers the food product such that steam from the steam generator is trapped within the hood to steam the food product. In a second, open position, the hood is rotated where it can receive the food product when the food product slides or falls off the platform as the platform is rotated from its first position to a second, elevated position. At least one embodiment enables food products to be removed from either side of the steam generating base by using a double-acting hinge.
Description
- This application is a continuation of U.S. application Ser. No. 12/683,986, filed on Jan. 7, 2010, pending, the entire disclosure of which is hereby expressly incorporated by reference.
- This invention generally relates to food steamers. More particularly, this invention relates to a steamer and steaming method for food products that include sandwich buns, rolls, croissants and bagels, as well as pastas, vegetables and other food products.
- Steamers are used in the food service industry to treat bread and bread-type products prior to being served. When steam impregnates a bread-type food product, such as a sandwich roll, the steam tends to soften the bread product making the bread product seem fresher.
- Steamers include both boiler-type steamers as well as flash steamers in which a volume of water is deposited or sprayed onto a hot surface, which “flashes” or converts the water to steam. A small, fixed amount of water is delivered onto a hot, dry surface which causes the water to be quickly boiled off and turned into steam.
- A problem with prior art steamers is the removal of a food product after it has been steamed or cooked. Since many restaurants sell food products in specialized packages, it would be advantageous for a food product steamer to be able to steam a food product as well as dispense or serve the food product into a package in which the food product will be sold.
-
FIG. 1 is a perspective view of a food product steamer; -
FIG. 2 is a front view of the food product steamer shown inFIG. 1 ; -
FIG. 3 is a perspective view of the food product steamer shown inFIG. 1 with the hood opened; -
FIG. 4 is an exploded view of the food product steamer shown inFIG. 3 ; -
FIG. 5 is a top view of the food product steamer; -
FIG. 6 is a side, cross-sectional view; -
FIG. 7 is an end, cross section view; -
FIG. 8 is an end, cross section view; -
FIG. 9 is an end, cross section view; -
FIG. 10A is a perspective view of a first alternate embodiment; -
FIG. 10B is a cross sectional view of the alternate embodiment shown inFIG. 10A ; -
FIG. 11A is a perspective view of a second alternate embodiment; -
FIG. 11B is a cross sectional view of the alternate embodiment shown inFIG. 11A ; -
FIG. 12A is a perspective view of a third alternate embodiment; -
FIG. 12B is a cross sectional view of the alternate embodiment shown inFIG. 12A ; -
FIG. 13 is an isolated view of a food product steamer, showing placement of hinges relative to the opening 15; -
FIG. 14 is a perspective view of a fourth alternate embodiment; -
FIG. 15A is an exploded view of another alternate embodiment wherein the food product platform can rotate in two directions; -
FIG. 15B is a cross-sectional front view of the embodiment shown inFIG. 15A showing the food product platform rotated counterclockwise; and -
FIG. 15C is a cross-sectional front view of the embodiment shown inFIG. 15A with the food product platform shown inFIG. 15A , rotated clockwise. -
FIG. 1 depicts the shape and appearance of a preferred embodiment of afood product steamer 10.FIG. 1 also shows that thesteamer 10 is comprised of a steam-trapping hood 30 and a steam-generating/steam-emittingbase 2. - The
hood 30 has a shape reminiscent of a Quonset in the sense that thehood 30 has a somewhat arching roof-shape. Thebase 2 has a shape reminiscent of a rectangular parallelepiped. - The
base 2 has a control panel with a display and controls for electronic devices inside the base, such as a timer and water controls. The display and the controls, which are operable by a user, comprise a user interface for the steamer. - The
base 2 has a substantially planar top face orsurface 3, aleft sidewall 4,right sidewall 5, afront end wall 6 and arear wall 7. The twosidewalls FIG. 1 is anopening 14 in thetop side 3 through which steam is emitted from the surface of a steam-generating platen, such as the one disclosed in the Applicant's co-pending patent application entitled, Food Product Steamer, filed on Oct. 10, 2008, and which is identified by U.S. patent application Ser. No. 12/249,125. The contents of patent application Ser. No. 12/249,125 are incorporated herein by reference. - As shown in patent application Ser. No. 12/249,125 and as can be seen in the exploded view shown in
FIG. 4 , the opening 14 in thetop side 3 of thesteamer 10 is covered by a steam-trapping hood 30. Steam that is trapped within the hood can be used to freshen bread products such as sandwich rolls and breads. The steam can also be used to cook foods, such as vegetables and pasta. - An elongated
continuous hinge 34, also known as apiano hinge 34, rotatably connects thehood 30 to thebase 2. In the embodiment shown, thehinge 34 is attached to theleft side 4 of thebase 2 and just below thetop surface 3. Ahandle 31 attached to thehood 30 through astem 32 allows an operator to rotate the hood counterclockwise (when viewed from the front panel 6) to open thehood 30. - When the
hood 30 is in its closed position, as shown inFIG. 1 , the bottom of thehood 30 and thetop surface 3 of thebase 2 are substantially co-planar. Stated another way, the angle θ1 defined by the bottom surface of thehood 30 and thetop surface 3 of thebase 2, as measured around a geometric axis defined by the pivot of thepiano hinge 34 is zero degrees or nearly zero degrees. -
FIG. 2 is a front view of thesteamer 10 shown inFIG. 1 . The angle θ1 between thehood 30 and thetop surface 3 of thebase 2 is more clearly visible inFIG. 2 in that, thetop surface 3 of thebase 2 and the bottom face or edge of thehood 30 are contiguous. As shown in the figure, the angle formed between the bottom edge or surface of the hood and thetop 3 of thebase 2 is identified in the figure by θ1. -
FIG. 3 is a different perspective view of thefood product steamer 10. InFIG. 3 , thehood 30 is shown in its full-open position. A geometric plane defined by theedges 35 of thehood 30, is substantially parallel to a geometric plane defined by thetop side 3 of thebase 2. A second, larger angle identified as θ4 exists between the plane defined by thebottom edges 35 of thehood 30 and the plane defined by thetop surface 3 of thebase 2. As the figure shows, θ4 is substantially equal to 180°. Those of ordinary skill will recognize that when thehood 30 is closed, θ1 is zero or nearly zero. When thehood 30 is fully open, the second angle θ4 is much larger, typically 180 degrees or nearly 180 degrees. - In
FIG. 3 ,food products 25 embodied as bread rolls are shown resting on top of relatively thin, planar and substantially rectangular-shaped food product support platforms which are identified byreference numeral 20. Theplatforms 20 are perforated withseveral holes 24, shown inFIG. 4 . Theholes 24 are sized, shaped and arranged to allow steam to pass through them. Theholes 24 in theplatforms 20 are thus considered herein to be “steam-passing” holes. - A side edge of each
food product platform 20 is attached to ahinge 26, which is in turn attached to thebase 2 at thetop surface 3 thereof. The axes of thehinges 26 define geometric axes around which thefood product platforms 20 rotate when theplatforms 20 are lifted using one of thehandles 21, which are attached to the platforms by stems 23. As shown inFIG. 3 , thefood product platforms 20 rest at a position such that the angle θ between thefood product platform 20 and thetop side 3 of thebase 2 is substantially equal to 0°. As shown inFIG. 3 , thefood product platforms 20 are horizontal or substantially horizontal and located above thesteam generating basin 12 from which steam is emitted. - As stated above, the
platforms 20 can be rotated about thehinge 26 by an operator lifting ahandle 21 attached to theplatform 20 through astem 23. In the embodiment shown, rotating theplatform 20 counterclockwise around the axis defined by thehinge 26 lifts thefood products 25 around the axis to a point where thefood product 25 will eventually slide off or fall off thefood product platform 20 due to gravity acting on thefood product 25. -
FIG. 4 is an exploded view of the food product steamer shown inFIGS. 1-3 . Thebase 2 can clearly be seen to have atop surface 3, leftsidewall 4,right sidewall 5, afront end wall 6 and arear end wall 7. An elongated “piano”hinge 34 for thehood 30 is attached to theleft sidewall 4 and to thehood 30 to allow thehood 30 to rotate about the axis defined by thehinge 34. Rotating the hood clockwise around thehinge 34 lowers the concave-shaped portion of the hood over afood product 25 resting on aplatform 20. Steam is generated by water that flows onto the inclinedheated surfaces heated platen 12 through ahole 42 in the apex 38 of the twoinclined surfaces heated platen 12 by awater conduit 44 that extends upwardly through thebase 2 and supplied by a source not shown in the figure. - As used herein, the open top of the
basin 12 is considered to be an opening 14 from which steam is emitted. Steam that is generated over theheated surfaces venturi plate 16, which like theplatform 20, is provided with numerous, steam-passingsmall holes 17. Theholes 17 in theventuri plate 16 are also considered to be steam-passing holes or openings through which steam is emitted. - The
basin 12 shown inFIG. 4 is substantially rectangular. Anexterior rim 15 of thebasin 12 is considered herein to define a limit of theopening 14. Stated another way, therim 15 defines where theopening 14 begins and ends. The space or area inside therim 15 is therefore considered to be an opening from which steam is emitted. -
FIG. 5 is a top view of thefood product steamer 10 shown inFIGS. 1-4 . Thehinge 34 to which thehood 30 is attached, is itself attached to theleft side wall 4 of thebase 2 through theaforementioned hinge 34. The hinges 26 that attach theplatforms 20 to thebase 2 are themselves attached to thetop surface 3 of thebase 2. As can be seen inFIG. 5 as well asFIG. 3 ,notches 36 formed in thehood 30 allow thehood 30 to close over the stems 23 by which thehandles 21 for theplatforms 20 are attached to theplatforms 20. - As described above, a geometric axis about which the
platform 20 rotates is defined by thehinges 26. InFIG. 5 , thehinges 26 and its corresponding axes are separated from theedge 15 of thebasin 12, i.e., from the opening from which steam is produced, by a first distance identified in the figure by D1. Thehinge 34 for thehood 30 is attached to theleft sidewall 4 of thebase 2, such that the axis defined by thehood hinge 34 is separated from the lip oredge 15, and hence the opening from steam is emitted, by a greater distance identified as D2. -
FIG. 6 is a cross-sectional view of thesteamer 10 shown inFIG. 5 , taken through lines 6-6 ofFIG. 5 . It can be seen that water dispensed onto theheated surfaces port 44 flows from the apex 38 downwardly, boiling off as it runs over theheated surfaces holes 17 in theventuri plate 16, through the steam-passingholes 24 in theplatforms 20 and into a bread product or other food product on theplatforms 20. -
FIG. 7 is a cross-sectional view of thesteamer 10 shown inFIG. 5 taken through section lines 7-7. The different separation distances of thehinges opening 14 in the top 3 and which is defined by theedge 15, are more clearly visible inFIG. 7 . The first separation distance D1 of the platform hinges 26 from theedge 15 is clearly seen to be less than the second separation distance D2, D2 being the separation distance of thesecond hinge 34 from theedge 15. - In
FIG. 7 , the foodproduct support platform 20 is shown at a resting angle position θ1 where it supports afood product 25 over theventuri plate 16 and theopening 14 in thebasin 12.FIG. 8 shows theplatform 20 rotated in a counterclockwise direction to a second angle identified as θ2. As the inclination angle increases toward θ3 as shown inFIG. 9 , thefood product 25 on the platform eventually falls or slides off the platform and into the concave space defined by thehood 30, which is rotated to its full open position. In order to facilitate food product removal, the surface of theplatform 20 is highly polished. - Collectively,
FIGS. 7 , 8 and 9 show that when the steam-trappinghood 30 is rotated from a closed position where it covers afood product 25 on theplatforms 20, to an open position, such as the one shown inFIG. 7 , afood product 25 on theplatform 20 can thereafter be rotated on theplatform 20 and “dropped” into thehood 30 or apackage 50 for the food product, such as a point-of-sale package 50, simply by lifting theplatform 20 by itshandle 21. -
FIGS. 10A and 10B depict a first alternate embodiment of thesteamer 10. Thesteamer 10A shown inFIGS. 10A and 10B differs from thesteamer 10 shown inFIGS. 1-8 in that thesingle hood 30 shown inFIGS. 1-8 is replaced with two separate and individuallyoperable hoods single hood 30, eachhood notches 36 that allow the hoods to rotate to a clockwise position and close relatively tightly over thefood product 25 and theplatforms 20 on which they rest. - As with the embodiment shown in
FIGS. 1-8 , the embodiment shown inFIGS. 10A and 10B also permits the rotation of asupport platform 20 from a first acute angle that is equal to or nearly equal to 0° to a second larger angle θ2 at which afood product 25 will slide off or drop off the platform into a hood or a point of sale carton. - As with the first embodiment,
FIG. 10B shows that thehinge 26 for theplatform 20 is separated from theedge 15 of theopening 14 in thebasin 12 by a first distance identified as D1. Thehood hinge 34, which is attached to theleft side 4 of thebase 2 is separated from theedge 15 by a greater distance identified as D2 of the opening. -
FIGS. 11A and 11B depict a third embodiment of afood product steamer 10B. In this embodiment, asingle hood 30 is attached to theright side 5 of thebase 2 through a piano hinge identified byreference numeral 34A. As with the embodiments described inFIGS. 1-9B , theplatforms 20 are attached to thetop surface 3 of thebase 2 with thehinges 26 adjacent or approximate to theleft side 4. - The third embodiment shown in
FIGS. 11A and 11B differs from the other embodiments in that rotation of theplatform 20 around the axis defined by thehinges 26 drops thefood product 25 into apackage 50 resting on the surface on which the steamer itself rests. InFIGS. 11A and 11B , thehood 30 rotates clockwise from its closed position to its open position. - Note that in the embodiment shown in
FIGS. 11A and 11B , the separation distance between theplatform hinge 26 and theedge 15 of theopening 14 is identified as D1. The separation distance between theedge 15 of theopening 14 and thepiano hinge 34A for thehood 30 is identified as D2. Since thepiano hinge 34A is attached to the right side whereas theplatform hinge 26 is attached inside theleft side 4, D2 is greater than D1 inFIG. 10B . Since the hinges are on opposite sides of the opening defined by theedge 15 of thebasin 12, in an alternate embodiment of that shown inFIGS. 11A and 11B , D2 could also be less than or equal to D1. -
FIGS. 12A and 12B depict yet another embodiment of afood product steamer 10C. In this figure, thepiano hinge 34A for thehood 30 is attached to theright side 5 as with the embodiment shown inFIGS. 11A and 11B . InFIGS. 12A and 12B , however, theplatforms - As can be seen in
FIG. 12B , the separation distances D1 of thehinges edge 15 of theopening 14, are substantially the same. In an alternate embodiment, however, the separation distances of thehinges edge 15 can be different. - The separation distance D2 of the
hinge 34A for the hood is greater than D1 owing to the fact that thehinge 34A is attached to theright sidewall 5. In an alternate embodiment, thehinge 34A could also be attached to thetop surface 3, on the right-hand side of theopening 14. -
FIG. 13 is a close-up view of the steamers shown inFIGS. 11A through 12B . This figure shows the spacing and location of thehinges 26 relative to theedge 15. Theventuri plate 16 can also be seen to be just inside theedge 15 of thebasin 12. -
FIG. 14 is another perspective view of yet another alternative embodiment of asteamer 10D.FIG. 14 also shows dimension lines extending from the axes of the various hinges and the determination of the corresponding separation distances D1 and D2. -
FIG. 15A is an exploded view of another alternate embodiment of asteamer 10E. Unlike the embodiments depicted inFIGS. 1-14 , inFIGS. 15A-15C , thefood product platform 20 can rotate in two directions by attaching theplatform 20 to a double-actinghinge 60 assembly. A double-acting hinge is sometimes referred to as a “saloon-door hinge” in that a saloon door can swing in two directions. The double-actinghinge mechanism 60 shown inFIGS. 15A-15C permits thefood support platform 20 to rotate away from the steam-emittingopening 14 of thebase 2, in two directions. - The double-acting
hinge 60 is comprised of twohinges platform base plate 27. One “side” of afirst hinge 26A is attached to thetop surface 3 of thebase 2 while the other “side” of thefirst hinge 26A is attached along one edge of theplatform base plate 27, preferably to the bottom or underside of theplatform base plate 27, not visible in the figure. One “side” of asecond hinge 26B is attached to theplatform base plate 27 along a second opposite edge of theplatform base plate 27 as shown. The second “side” of thesecond hinge 26B is attached to the foodproduct support platform 20, preferably to the bottom or underside of thefood support platform 20. - As can be seen in
FIG. 15A , the twohinges platform base plate 27 and the platform to rotate “away” from the steam-emittingopening 14, in opposite directions. As shown inFIGS. 15A and 15B , thefirst hinge 26A is connected between thebase 2 and theplatform base plate 27. Thefirst hinge 26A allows theplatform base plate 27, and anything attached to theplatform base plate 27, to rotate “away” from the steam-emittingopening 14, in counterclockwise direction (when viewed from the front) around an axis of rotation defined by thefirst hinge 26A. Since thesecond hinge 26B is attached to theplatform base plate 27, it will rotate counterclockwise with theplatform base plate 27, around thefirst hinge 26A, as theplatform base plate 27 is rotated “away” from theopening 14 in a counterclockwise direction. - As shown in
FIG. 15C , when theplatform base plate 27 is “down” and resting against thetop 3 of thebase 2, thesecond hinge 26B, which is attached to theplatform base plate 27 along an edge opposite thefirst hinge 26A, allows the foodproduct support platform 20 to rotate away from theopening 14 in a clockwise direction, leaving theplatform base plate 27 against thetop 3 of thebase 2. The twohinges platform base plate 27 thus comprise a double-acting hinge, which effectively allows the foodproduct support platform 20 to rotate together with theplatform base plate 27 in a first direction (counterclockwise in the figure) and to rotate without theplatform base plate 27 in a second direction (clockwise in the figure). - It should be noted that the centers of the
platform base plate 27 are open, providing large steam-passing openings or holes 29. Steam passes through theholes 29 in theplatform base plate 27 and into thesteam passing holes 24 formed in the foodproduct support platform 20. Thelarge openings 29 in theplatform base plate 27 allow the steam to pass through the foodproduct support platform 20 with minimal heat loss. - As with the other embodiments described above, a steam-trapping
hood 30 is attached to one side of thebase 2 by anelongated piano hinge 34. When thehood 30 is open, as shown inFIGS. 15B and 15C , food products on theplatform 20 can be removed from theplatform 20 by rotating theplatform 20 in either clockwise or counterclockwise direction. - Those of ordinary skill in the art will recognize that while the second distance D2 is shown in various figures as being greater than the first separation distance D1 an alternate and equivalent embodiment includes using small, individual hinges instead of a piano hinge, which permit the attachment of the
hood 30 to the same surface of thebase 2 that theplatforms 20 are attached to. The location of such hinges relative to theedge 15 of theopening 14 could therefore be a design choice, i.e., less than or equal to D1. Such embodiments would include attaching both hinges to thetop side 3 of thebase 2. In yet another alternate embodiment, both hinges 26 and 34 can be attached to the same side of the base such that D1 and D2 would be equal or substantially equal. - In each of the embodiments, the
hood 30 is preferably a rigid plastic but can also be comprised of a flexible plastic sheet or even a water permeable membrane so long as the hood is able to enclose or substantially enclose a food product on the platform and retain steam that is generated in thebase 2. - For the sake of completeness, those of ordinary skill will recognize that in order to remove the
food product 25 from theplatform 20, thehood 30 is first rotated around an axis defined by thehinge 34, from a first, closed position to a second open position. As shown in several figures, thehood 30 is depicted in a closed position when the angle between itslower edges 35 and the top 3 is zero or substantially equal to zero degrees. The fully open position is preferably when the angle between theedges 35 and the top 3 is parallel or nearly parallel to thetop face 3 of thehood 2 such that the concave shape of thehood 30 will retain afood product 25, with or without a point-of-sale package 50 placed into thehood 30. - The foregoing description is for purposes of explanation and illustration. The true scope of the invention is defined by the appurtenant claims.
Claims (32)
1. A food product steamer comprising:
a base including a top side, first and second opposing side walls defining first and second lateral sides, first and second opposing end walls, and an opening in the top side through which steam can be emitted, the opening being located between the first and second opposing side walls and between the first and second opposing end walls;
a food product platform perforated with a plurality of steam-passing holes, the platform being rotatably connected to the base and rotatable about a first axis between an acute first angle and a larger second angle with respect to the top side, the first axis being located at a first distance away from the opening toward the first side wall, wherein at the first angle, the platform is adapted to support a food product above the opening;
a steam-trapping hood rotatably connected to the base, the hood being rotatable about a second axis between an acute third angle and a larger fourth angle with respect to the top side, the second axis being located at a second distance away from the opening toward the first side wall;
wherein when the platform is rotated to the first angle and the hood is rotated to the third angle, the platform is over the opening and the hood is adapted to substantially cover a food product on the platform.
2. The steamer of claim 1 , wherein the second distance is greater than the first distance.
3. The steamer of claim 1 , further comprising
a first hinge connecting the platform to the base, the first hinge defining the first axis; and
a second hinge connecting the hood to the base, the second hinge defining the second axis.
4. The steamer of claim 3 , at least one of the first hinge and the second hinge being a continuous hinge.
5. The steamer of claim 3 , wherein the first and second hinges are both attached to the top side of the base.
6. The steamer of claim 3 , wherein the first and second hinges are both attached to the first lateral side of the base.
7. The steamer of claim 3 , wherein the first hinge is attached to the top side of the base and the second hinge is attached to the first lateral side of the base.
8. The steamer of claim 7 , wherein the platform is configured such that the first angle is substantially equal to zero degrees above the top side of the base.
9. The steamer of claim 8 , wherein the platform is configured such that the second angle is greater than ninety degrees above the top side of the base.
10. The steamer of claim 9 , wherein the hood is configured such that the third angle is substantially equal to the first angle.
11. The steamer of claim 10 , wherein the hood is configured such that the fourth angle is greater than or equal to the second angle.
12. The steamer of claim 1 , wherein the base further comprises a steam generator below the opening.
13. The steamer of claim 1 , wherein the platform has a smooth surface such that a food product can slide off the platform when the platform is rotated to an angle between zero and ninety degrees.
14. The steamer of claim 1 , wherein the hood is a rigid plastic.
15. The steamer of claim 1 , wherein the hood is a flexible plastic sheet.
16. The steamer of claim 1 , wherein the hood is a water permeable membrane.
17. The steamer of claim 1 , wherein at least part of the hood is concave and configured to at least partially enclose a food item to be steamed.
18. The steamer of claim 1 , wherein the hood has an interior volume, sized and shaped to receive a point-of-sale package for a food item to be steamed.
19. The steamer of claim 18 , wherein the hood includes a partition dividing the hood into two portions configured to receive the two halves of a clamshell sandwich container.
20. A food product steamer comprising:
a base including a top side having an opening through which steam can be emitted, the opening being located between first and second opposing side walls of the base;
a perforated food product platform above the opening, configured to rotate away from the opening in a first direction around a first axis and to rotate away from the opening in a second direction around a second axis.
21. The steamer of claim 20 , further comprising a double-acting hinge operatively coupling the platform to the base.
22. The steamer of claim 21 , wherein the double-acting hinge comprises:
a first hinge connected between the base and a platform base plate, said first hinge configured to allow the platform base plate and the platform to rotate together, away from the opening, in said first direction; and
a second hinge, connected between the platform base plate and the platform, said second hinge configured to allow the platform to rotate away from the opening and the platform base plate in said second direction.
23. The steamer of claim 22 , wherein the platform base plate is perforated with at least one steam-passing hole and wherein the platform is perforated with a plurality of steam-passing holes.
24. The steamer of claim 20 , further comprising:
a steam-trapping hood above the opening, the hood configured to rotate away from the opening about a third axis, and the hood configured to substantially cover a food product supported on the platform when the hood and the platform are each rotated to an angle above the top side of the base substantially equal to zero degrees.
25. A method of producing a steamed food product comprising:
providing a device comprising a food product platform rotatable between a food steaming position and a food removal position, and a steam source communicating with a steam outlet, the steam outlet configured to direct steam onto the food product platform when the food product platform is in the food steaming position;
rotating the food product platform to the food steaming position;
placing a food product on the food product platform;
directing steam from the steam source through the steam outlet and onto the food product to steam the food product; and
rotating the food product platform from the food steaming position to the food removal position to cause the food product to fall or slide from the food product platform.
26. The method of claim 25 further comprising placing a food container adjacent to the device, so that when the food product platform is rotated from the food steaming position to the food removal position the food product falls or slides from the food product platform into the container.
27. The method of claim 25 further comprising:
providing a steam-trapping hood rotatable between a closed food steaming position and an open food placement and removal position;
rotating the hood to the open position to permit placing the food product on the food product platform;
after placing the food product on the food product platform, rotating the hood to the closed position to at least substantially enclose the food product and at least substantially retain steam; and
after the food product is steamed, rotating the hood to the open position to permit moving the food product platform from the food steaming position to the food removal position.
28. The method of claim 27 further comprising after rotating the hood to the open position, placing a food container into the open hood, so that when the food product platform is rotated from the food steaming position to the food removal position the food product is transferred from the food product platform into the container.
29. The method of claim 25 wherein the food product platform is perforated with a plurality of steam-passing holes, and placing the food product comprises placing the food product over at least one hole.
30. A method of transferring a steamed food product comprising:
providing a device comprising a food product platform, a base, and a hinge connecting the food product platform to the base, wherein the food product platform is rotatable between a food steaming position and a food removal position;
providing a steamed food product on the food product platform in the food steaming position;
placing a container adjacent the food product platform; and
rotating the food product platform from the food steaming position to the food removal position to transfer the food product from the food product platform to the container.
31. The method of claim 30 wherein the device further comprises a steam-trapping hood and a second hinge connecting the hood to the base, wherein the hood is rotatable between a closed food steaming position and an open food placement and removal position, further comprising
rotating the hood to the open position to permit placing the food product on the food product platform;
after placing the food product on the food product platform, rotating the hood to the closed position to at least substantially enclose the food product and at least substantially retain steam; and
after the food product is steamed, rotating the hood to the open position to permit moving the food product platform from the food steaming position to the food removal position.
32. The method of claim 31 wherein placing the container comprises placing the container into the open hood.
Priority Applications (1)
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US13/897,687 US20130251871A1 (en) | 2010-01-07 | 2013-05-20 | Food Product Steamer and Method |
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US12/683,986 US8443721B2 (en) | 2010-01-07 | 2010-01-07 | Food product steamer |
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KR101609390B1 (en) * | 2009-05-11 | 2016-04-05 | 엘지전자 주식회사 | Cooker |
US8443721B2 (en) * | 2010-01-07 | 2013-05-21 | Restaurant Technology, Inc. | Food product steamer |
US20110311699A1 (en) * | 2010-04-12 | 2011-12-22 | Ewald Henry T | Tabletop bun and tortilla steamer and method |
US9198450B2 (en) * | 2010-04-12 | 2015-12-01 | Restaurant Technology, Inc. | Table top bun steamer and method |
US8850969B2 (en) * | 2012-04-20 | 2014-10-07 | Restaurant Technology, Inc. | Device and method for melting cheese |
GB2609625A (en) * | 2021-08-09 | 2023-02-15 | Da Graca Sousa Viegas Abreu Manuel | A steaming device |
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US7274003B2 (en) * | 2004-02-18 | 2007-09-25 | Electrolux Professional Gmbh | Grill unit for use especially in commercial kitchens |
US7810488B2 (en) * | 2007-05-18 | 2010-10-12 | Market Forge | High efficiency atmospheric steamer |
US20100098825A1 (en) * | 2008-10-20 | 2010-04-22 | Prince Castle Inc. | Food product handling device |
US20110162537A1 (en) * | 2010-01-07 | 2011-07-07 | Prince Castle, Inc. | Food product steamer |
Also Published As
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US8443721B2 (en) | 2013-05-21 |
US20110162537A1 (en) | 2011-07-07 |
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