Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D43/00—Lids or covers for rigid or semi-rigid containers
  • B65D43/02—Removable lids or covers
  • B65D43/0202—Removable lids or covers without integral tamper element
  • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
  • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, of the mouth of the container
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D51/00—Closures not otherwise provided for
  • B65D51/005—Closures provided with linings or internal coatings so as to avoid contact of the closure with the contents
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D2543/00—Lids or covers essentially for box-like containers
  • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
  • B65D2543/00018—Overall construction of the lid
  • B65D2543/00064—Shape of the outer periphery
  • B65D2543/00074—Shape of the outer periphery curved
  • B65D2543/00092—Shape of the outer periphery curved circular
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D2543/00—Lids or covers essentially for box-like containers
  • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
  • B65D2543/00018—Overall construction of the lid
  • B65D2543/00259—Materials used
  • B65D2543/00314—Combination, e.g. laminates, several different materials
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D2543/00—Lids or covers essentially for box-like containers
  • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
  • B65D2543/00444—Contact between the container and the lid
  • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
  • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
  • B65D2543/00509—Cup
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D2543/00—Lids or covers essentially for box-like containers
  • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
  • B65D2543/00444—Contact between the container and the lid
  • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
  • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
  • B65D2543/00546—NO contact

Definitions

• the present invention relates to a composite lid for the closure of wide-mouth containers.
• the composite cover comprises a cork element associated with an insulation element.
• Cork corks are used, especially for the corking of wine bottles.
• the relative sealing of the closure is obtained by forcing a cork, through the bottle neck so as to keep it compressed.
• corking by means of a cork cover raises some difficulties, especially when they are made of a deformable material compared to glass.
• the cap, or the lid can not be put in compression through the neck of the container.
• the cover having a closing part and a gripping part making it possible to engage the closure part inside the neck, it has been imagined to cover the closing portion of an insulating element in plastic material so as to seal it.
• the contents of the container is completely airtight with respect to the outside when the lid is installed through the opening of the container.
• cork allows gaseous exchange between the inside of the container and the outside, even if it is compressed in a neck of bottles, and that these gas exchanges are necessary for the conservation and evolution of liquids content. It is the same for all foodstuffs contained in a container. Also, the implementation of a plastic insulating element inhibits any gas exchange.
• the present invention provides a composite lid for the closure of containers having an opening, said composite lid comprising on the one hand a cork element having a closure portion and a gripping portion allowing engaging said sealing portion through said opening and secondly an insulating insert member covering said sealing portion.
• said insulated insulation element is made of an artificial material based on cellulosic fibers.
• a feature of the invention lies in the implementation of an insulation element of artificial material based on cellulosic fibers on the closure part of the cork element.
• the insulating element of artificial material gives it some relative insulation. Indeed, this insulation material allows gas exchange between the inside of the container and the outside, because it is by nature microporous.
• this insulation material allows gas exchange between the inside of the container and the outside, because it is by nature microporous.
• it is easily recyclable with the cork with which it is associated.
• said closure portion has a closure face and a cylindrical edge bordering said closure face, while said isolation element has, on the one hand, a bottom coming to apply against said sealing face and secondly an extended edge protruding from said bottom coming to bear against said cylindrical edge.
• the insulation element has a bottom and a flange edge that extends substantially perpendicular to the plane defined by the bottom.
• the insulation member is preferably secured to the cork member as will be explained in more detail below.
• said bottom has, advantageously, a groove along said edge so as to stiffen said insulating member.
• the edge formed between the edge and the bottom of the insulating member is more rigid and the frequency of openings and closures of the container does not damage the cover.
• the sealing portion and the insulating member which covers it are subjected in their peripheral edge to friction against the inner wall of the opening of the container. It is therefore necessary that their rigidity be increased.
• said artificial material based on cellulosic fibers has a thickness greater than 150 ⁇ , and preferably greater than 175 ⁇ . In this way, the artificial material is relatively rigid.
• said artificial material based on cellulosic fibers has a basis weight, or grammage, greater than 200 g / m 2 , preferably greater than 225 g / m 2 , and for example of the order of 420 g. / m 2 .
• said artificial cellulosic fiber material is uncoated paperboard.
• said cork member has a shoulder between said sealing portion and said gripping portion. In this way, when the closing portion is engaged through the opening of the container, the shoulder bears against the edge of the opening and thus stops the depression of the lid.
• the invention proposes a method of producing a composite lid intended for the closure of containers having an opening, said method comprising the following steps: a cork element having a closure part and a part of gripping, said shutter portion having a sealing face and a cylindrical edge bordering said closure face; according to an embodiment, an insulation element having a bottom and an extended edge projecting from said bottom, and said bottom is applied against said sealing face and said edge against said cylindrical edge so as to cover said portion. shutter.
• said production step comprises the following sub-steps: a sheet of a material is provided artificial based on cellulosic fibers; and, forming said sheet to make said insulation member.
• the insulation element in situ, for example from the artificial material based on cellulosic fibers in sheets or even in strips.
• said sheet of said artificial material is hot formed. In this way, the insulation element formed, more easily retains its shape, and in particular, the folding of the edge relative to the bottom.
• non-coated stamping boards which have soaped faces.
• a groove is printed along said border when said sheet is formed.
• the groove is printed during forming or stamping of the sheet. In this way, it comes to stiffen the insulation element along the folded edge. As will be explained below in more detail, this allows a better adjustment of the cork element and the insulation element.
• FIG. 1 is a schematic axial sectional view of an element of the composite cover according to the invention.
• FIG. 2 is a schematic bottom view along the arrow II showing the element shown in Figure 1;
• FIG. 3 is a schematic axial sectional view illustrating the composite cover according to the invention.
• FIG. 3 illustrates a composite lid 10 according to the invention comprising a cork element 12 and an insulating element 14.
• the cork element 12 consists of a circular part whose diameter is greater than the thickness, for example between four times and ten times more, and it has a sealing portion 16 surmounted by a gripping portion 18. Both parts 16, 18 are of cylindrical symmetry and they are coaxial.
• the closure portion 16 has a diameter smaller than the diameter of the gripping portion 18 so as to form a shoulder 20 on the gripping portion 18 around the sealing portion 16.
• the latter defines a face of shutter 22 substantially flat and circular, and a cylindrical edge 24 whose generator is substantially perpendicular to the sealing face 22.
• the sealing portion 16 is further covered with an insulating member 26 made of an artificial material based on cellulosic fibers and which will be described in more detail with reference to Figures 1 and 2.
• Figure 1 illustrates in axial section the insulation member 26 while Figure 2 illustrates in a view from below. It has a substantially flat and circular bottom 28 having an inner face 29 opposite to an outer face 31, and a border 30 substantially perpendicular to the bottom 28, and forming a cylindrical symmetrical rim ending in a free edge 33. From Preferably, the height of the border 30 is between four and ten percent of the diameter of the insulation member 26, for example, it is six percent.
• the insulating element 26 has, on the inner face 29, a circular peripheral depression 32 forming a groove along the edge 30.
• this peripheral depression 32 forms, on the outer face 31, a circular rib 34. In this way, the insulation member 26 is stiffened at the edge 30. The advantages of this stiffening will be explained below.
• the present invention also relates to a method of producing the composite lid 10. According to said method, the cork element is produced.
• the cork disc 12 by providing cork plates and punching them to the punch to retrieve cork discs inside the punch.
• the cork discs are then machined so as to protect the sealing part 16 and, at the same time, to disengage the gripping part 12 by forming the shoulder 20.
• the cork disc has a thickness of
• the cork element 12 is provided.
• the insulation element is made from a cardboard material made of cellulosic fibers. This carton has, for example, a thickness of 400 ⁇ and a basis weight of 420 g / m 2 . Preferably, this material is a soaped stamping carton. It is commonly used to make boxes of food products. It is observed that the cellulosic artificial material is here intended, not to contain products, but to cover and isolate the closure portion 16 of the cork element 12.
• the cardboard material is then precut into substantially circular sheets, which are then hot stamped in a press to be formed.
• the press has a heated matrix having a circular recess corresponding to the dimensions and external shapes of the insulation element 26, and a punch adapted to stamp the sheets inside the matrix, and whose envelope corresponds to the
• the die has a bottom wall and a cylindrical wall extending perpendicularly to the bottom wall.
• a circular groove is formed in the bottom wall along the cylindrical wall.
• the punch has a projecting circular edge that extends axially and is adapted to engage inside the circular groove of the die.
• the cellulosic fibers of the cardboard are then broken at the folds.
• the thus stamped cardboard is then kept inside the heated matrix for a duration of the order of ten seconds, for example 20 seconds.
• the insulation element 26 is formed as shown in FIGS. 1 and 2.
• grooves are made in the rim 30 to form vents whose function will be explained in the following description. These grooves are not shown in the figures.
• it is provided axial grooves in the cylindrical wall of the matrix, while the opposite, the punch has him, axial ribs adapted to engage inside the axial grooves, when the punch penetrates inside the matrix.
• axial ribs protruding from the rim 30 forming a flange, oriented radially outwards and substantially perpendicular to the bottom 28 of the insulation element 26 are obtained.
• a plurality of ribs uniformly distributed at the periphery of the insulation member 26, for example, between four and thirty-two ribs.
• a tape of glue is first applied inside the insulating element 26 against the border 30 and near the free edge 33. Then, the closing portion 16 of the cork element 12 is engaged inside the insulating element 26, the cylindrical edge 24 rubbing against the inside of the edge 30. In this way, the glue of the adhesive tape is driven axially between the edge 30 and the edge cylindrical 24, and so is distributed evenly between these two walls, without outward burr. The free edge 33 of the edge 30 then bears against the shoulder 20, as shown in Figure 3 on which we find the composite cover, and to which reference will be made again.
• edge 30 is made integral with the cylindrical edge 24 of the closing portion 16 of the cork element 12, while the bottom 28 bears against the closing face 22 of the closure portion 16, while remaining free in relation to this face.
• the insulation element 26 is then secured to the sealing portion 16 that it covers.
• FIG. 4 illustrating the implementation of the composite cover 10 on a container 36.
• the latter is cylindrical in shape and has a container bottom 38 opposite a circular opening 40, which is bordered by a circular inner edge 42, completed by a free edge 44.
• This circular opening 40 is then closed by means of the composite cover 10.
• the cylindrical edge 24 of the sealing portion 16 and the edge 30 of the insulating member 26 which covers it, marries the inner border circular 42 of the opening 40 and exert on it a radial force on the entire periphery.
• the shoulder 20 abuts against the free edge 44. In this way, a certain seal is obtained inside the container 36 vis-à-vis the outside.
• the insulation element 26 is more rigid, especially at the junction between the edge 30 and the bottom 28. Also, when the sealing portion 16 covered with the element insulation 26 is engaged through the opening 40, its resistance to deformation is greater.
• the insulating member 26 is liquid-tight, which makes it possible to prevent inadvertent entry of liquids into the container 36 when the latter is closed.
• the cellulosic fiber-based artificial material 26 is recyclable with the cork element 12, whereas this is not the case with a plastic insulating element.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=47827368

Family Applications (1)

Country Status (4)

Families Citing this family (2)

Family Cites Families (12)

• 2012
  • 2012-10-04 FR FR1259415A patent/FR2996532B1/fr not_active Expired - Fee Related
• 2013
  • 2013-10-04 PT PT137827960T patent/PT2903906T/pt unknown
  • 2013-10-04 EP EP13782796.0A patent/EP2903906B1/de active Active
  • 2013-10-04 WO PCT/FR2013/052360 patent/WO2014053784A1/fr active Application Filing

Non-Patent Citations (1)

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