OA19300A - Container for hermetically sealed storage of products, in particular foodstuffs. - Google Patents
Container for hermetically sealed storage of products, in particular foodstuffs. Download PDFInfo
- Publication number
- OA19300A OA19300A OA1201900379 OA19300A OA 19300 A OA19300 A OA 19300A OA 1201900379 OA1201900379 OA 1201900379 OA 19300 A OA19300 A OA 19300A
- Authority
- OA
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- Prior art keywords
- réceptacle
- région
- sealing
- stiffening
- ofthe
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- 238000003860 storage Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000012265 solid product Substances 0.000 claims abstract description 3
- 230000001808 coupling Effects 0.000 claims description 34
- 238000010168 coupling process Methods 0.000 claims description 34
- 238000005859 coupling reaction Methods 0.000 claims description 34
- 210000001138 Tears Anatomy 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 19
- 239000000047 product Substances 0.000 claims description 19
- 210000000614 Ribs Anatomy 0.000 claims description 17
- 239000002985 plastic film Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive Effects 0.000 claims description 11
- 235000013305 food Nutrition 0.000 claims description 11
- 230000002093 peripheral Effects 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000005028 tinplate Substances 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 5
- 239000004922 lacquer Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 230000003313 weakening Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 235000011837 pasties Nutrition 0.000 claims description 3
- 239000003566 sealing material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005755 formation reaction Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 7
- 239000011859 microparticle Substances 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 3
- 210000003298 Dental Enamel Anatomy 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 206010022114 Injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000088 Lip Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004301 light adaptation Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 235000015504 ready meals Nutrition 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Abstract
Disclosed is a container for hermetically sealed storage of liquid, paste-like and/or solid products, more particularly foodstuffs, characterised in that the lid of the container is designed to be resealable and a largely stable pull-tab lid (2) is also provided, the opening of the lid not involving the separation of a metal surface leading to swarf formation and the re-sealing of said lid guaranteeing the required air tightness.
Description
CONTAINER FOR HERMETICALLY SEALED STORAGE OF PRODUCTS. IN PARTICULAR FOODSTUFFS
The invention relates to a réceptacle for a hermetically sealed storage of liquid, pasty, and/or solid products, in particular foods, comprising a product container that is open at one side and a tear open end that is connected in an airtight mannerto the product container, in particular via a beaded margin, an adhesive connection, or a welded connection, or the like.
A plurality of products of the most varied kind, in particular foods, are packed in réceptacles closed in a sealed manner to ensure long shelf lives so that only a minimal impairment of the quality or of the properties of the respective products takes place during this storage time.
Examples for this widespread type of packaging are cans for fish, méat, sausage, fruit, vegetables, ready meals, and the like, but are also réceptacles closed in a hermetically sealed manner outside the food sector for packaging enamels, paints, and other pasty products, for example, to ensure that their properties présent after 20 manufacture remain unchanged over a long time and correspondingly long storage times can thus also be ensured with a minimal loss of quality.
If such réceptacles closed in a hermetically sealed manner, for example cans, are provided with a tear open end, i.e. with a métal end having a scored line introduced and having a pull tab riveted to the end, such inexpensively producible réceptacles in particular hâve the advantage that no closure éléments project over the outer contour of the réceptacle and the demande for stackability and thus favorable transport and storage options can thus be satisfied.
It is above ail a disadvantage in this respect that a réceptacle opened via the tear open end cannot be closed again and the product présent in the réceptacle thus has to be used immediately or has to be transferred to a closable réceptacle. A 5 particular disadvantage is additionally présent in the case of foods packaged in métal réceptacles and this disadvantage comprises tiny métal particles unavoidably being released from the end material and being able to move into the can or onto the packaged product in the opening procedure, i.e. when the existing score line orweakening line between the respective opening région and the end surface is torn open or separated. These tiny splinters or métal particles are critical in a health respect when they enter into the human body together with the food.
It is the object of the présent invention to provide a réceptacle of the initially named kind having ail the advantages inhérent in such réceptacles, but in 15 particular in so doing to achieve the opening of the ends being made possible with comparatively smaller force expenditure and with a simple handling, disruptive deformations ofthe upwardly pivoted end région being avoided in the same way as the risk of injury due to sharp métal margins, and above ail the occurrence and release of métal microparticles also being precluded in the opening procedure.
This object is substantially achieved in accordance with the invention in that the tear open end is configured as reclosable and comprises a composite material in the form of a sheet métal layer, in particular composed of aluminum or tin plate, bonded to a plastic film by means of e.g. a molecular or atomic bond, i.e.
Stoffschlüssig, in particular via an adhesive lacquer film;
in that the sheet métal layer and the enamel film ofthe peripheral line ofthe respectively provided opening région or tear open région are pierced or punched through accordingly while forming a microgap;
in that the plastic film disposée! on the inner réceptacle side and closing the microgap is provided at a small distance from the microgap with a weakening or with a notch extending at least regionally largely over the film thickness;
in that a peripheral stiffening and coupling frame having at least one sealing and 5 latching rib is fastened to the outer end side on the marginal région of the upwardly pivoted end région that is bounded by the microgap;
in that a sealing frame that is engaged over by the stiffening and coupling frame is likewise fastened to the outer end side on the fixed end surface adjacent to the microgap and outside the opening région and has grooves for a sealing réception 10 of the sealing and latching ribs provided at the stiffening and coupling frame, with the position ofthe sealing and latching ribs, on the one hand, and of the réception grooves, on the other hand, being able to be swapped over; and in that the end part formed by the end région bounded by the microgap and the stiffening and coupling frame fastened thereto is, on the one hand, provided with a 15 tear open member connected in an articulated manner to the outer margin of the stiffening and coupling frame and is, on the other hand fixedly connected to the end surface disposed outside the upwardly pivotable end part via a pivot bearing région molded to the stiffening and coupling frame diametrically opposite said tear open member.
It is essential to the solution in accordance with the invention that the upwardly pivotable métal end région is fixedly connected over its total periphery to a stiffening and coupling frame and thus an upwardly pivotable end part is provided that is largely stable per se, that can be pressed back into the sealing frame after 25 the first opening has taken place, and that ensures a reliable closure of the réceptacle therewith while forming a sealing coupling.
An undefined bending ofthe métal opening région such as occurs as a rule in conventional can ends that can be torn open is precluded as is the risk of injury at
Sharp métal edges since such sharp edges are covered by the stiffening and coupling frame.
It is furthermore of importance that the design of the composite material makes it 5 possible, despite the punching ofthe end région that has taken place and the subséquent fitting of this région into the métal end, to obtain a metallic, practically continuous end surface that is sealed despite the punching and to whose outer side both the stiffening and coupling frame and the sealing frame are fastened, and indeed in a manner such that no continuous fastening openings hâve to be 10 carried out in the métal end or métal moldings. This produces an extremely simple and also inexpensive design.
While the can end or tear open end of the réceptacle is always métal due to the demands made on it, the product container to which the can end is connected can 15 comprise both métal and plastic or other materials, in particular also composite materials.
The weakening or the notch ofthe plastic film closely adjacent to the microgap does not hâve to be peripheral or peripherally the same. For example, to make 20 possible the decrease of an excess pressure built up in the inner space of the réceptacle, the notch depth can be advantageously increased in that région that becomes effective at the start ofthe opening procedure and the opening can thus be facilitated. A short région of reduced notch depth preferably adjoins this région of increased notch depth and has the conséquence of noticeable increase of the 25 opening résistance and thus a brief braking ofthe opening procedure. The notch depth and can in turn be increased subséquent to this and can preferably correspond to the initial notch depth. An excess pressure présent in the initial phase ofthe respective opening procedure is thus reduced in a simple and reliable manner, whereupon after overcoming a brief stoppage, the further opening procedure can then take place at normal pressure and an unwanted escape of liquid through the sealing lip arrangement is prevented in so doing.
In accordance with various embodiments ofthe invention, the réceptacle can hâve 5 a round, oval, or polygonal cross-sectional shape, with the extent of the microgap in this case being at least partly adapted to the respective cross-sectional shape.
Specifically designed, and in particular polygonal, cross-sectional shapes make possible a tighter packing of réceptacles and thus corresponding storage and transport advantages. In addition, sales areas can be better utilized by a denser arrangement ofthe receptacles. The adaptation ofthe upwardly pivotable end part to the respective cross-sectional shape ensures idéal access to the inner space of the product réceptacle.
The sealing frame intended to receive the end part preferably at least largely follows in its peripheral extent the extent of the connection région between the product réceptacle and the end with any cross-sectional shape of the réceptacle, which is équivalent to the peripheral contour ofthe upwardly pivotable end part being approximately adapted to the cross-sectional shape ofthe réceptacle in these cases.
It is furthermore essential to the invention that the plastic film component as the molding adapted to the lower side end contour is formed with molded positioning éléments. In this manner, the relative position ofthe plastic film and ofthe sheet 25 métal layer can always be simply and exactly predefined and ensured.
The film component ofthe composite material preferably extends up to and into the beaded margin and acts as a sealing material and as corrosion protection in the beaded connection, which produces a further simplification with cans.
It is furthermore of advantage that the pivot bearing région has an integrated bistable toggle spring section. The latter holds the end comprising the métal opening région, the stiffening and coupling frame fastened thereto, and the tear open member, open to more than 130° when exceeding approximately 90° so that 5 the inner space of the respective réceptacle is ideally accessible. On a falling below of approximately 90°, the end snaps back to an opening angle of less than 30°. The end part can again be pressed into the sealing closing position from the open position. This procedure can be carried out reversibly a plurality of times in both directions.
It is of importance with respect to existing hygienic demands that the stiffening and coupling frame preferably has a sealing skirt that extends up to the fixed position end surface over its total outer periphery and that is in particular bonded to the fixed position end surface via the adhesive layer by means of e.g. a molecular or 15 atomic bond, i.e. Stoffschlüssig.
Any pénétration of contamination, moisture, and the like into régions disposed beneath the visible plastic parts is thus most certainly prevented, which is above ail of particular importance with packaged products having long storage times. 20
Further advantageous features and aspect ofthe invention are set forth in the dépendent daims and will also be explained in the following description of an embodiment with reference to the drawing.
There are shown in the drawing:
Fig. 1 a schematic plan view of a réceptacle in accordance with the invention in the form of a typical fish can;
Fig. 2 a greatly enlarged schematic sectional représentation for explaining the setup of the composite material used within the framework of the invention;
Fig. 3 a section corresponding to the line A-A in Fig. 1 ;
Fig. 4 an enlarged représentation of the detail C from Fig. 3; and
Fig. 5 an enlarged représentation of the detail D from Fig. 3.
The plan view in accordance with Fig. 1 shows as a non-restrictive embodiment of the invention, a métal fish can that is hermetically closed and that can be opened via a tear open end 2. For this purpose, an opening région is provided in the can end that can be opened and pivoted up via a tear open member 17 via means still 15 to be shown and described in detail, and indeed via a pivot bearing région 18 whose fixed part 19 is fastened to the can end. A toggle spring section 21 that permits the end pivoted up to be held in a stable open position is provided here between this fixed part 19 and a stiffening and coupling frame 11 fixedly connected to the upwardly pivotable métal end région 10.
The can end in accordance with the invention preferably comprises a composite material whose design is shown schematically and in a greatly enlarged form in Fig. 2.
The main component of the can end comprises a suitably shaped sheet métal layer 5, preferably composed of aluminum or tin plate, and this sheet métal layer is at both sides respectively with an adhesive layer 7 that serves as an adhesive agent and that makes it possible to ensure a very strong and permanent bond by means of e.g. a molecular or atomic bond between the métal, in particular aluminum or tin plate, and the plastic of the film 6 that preferably comprises polypropylene, that is provided at the lower end side, i.e. at the inner can side, and that is suitable for use in foods. The mutual connection ofthe individual components preferably takes place by induction in a so-called heat seal process or by plastic welding.
A practically significant advantage of this composite is that it makes it possible to reduce the material thickness of the sheet métal layer, in particular of the aluminum or tin plate layer, without compromises with respect to the required strength values, with a small réduction in the sheet métal thickness already making possible economically substantial material savings when the large volumes in which such packages are required and produced are taken into account.
Fig. 3 shows a section corresponding to the line A-A in Fig. 1, with the connection 15 of the end to the respective product container 1 being schematically indicated in this sectional représentation. The product container 1 preferably comprises métal, but can also comprise other materials, in particular plastic, with then the respective suitable connection technique, e.g. adhesion, being used to connectthe container 1 with the can end 2 in a hermetically sealed manner.
The details of the can end design essential for the function are located in the régions marked by C and D and will be explained separately in the following with référencés to Figs. 4 and 5.
Fig. 4 shows in a highly enlarged form the région D of Fig. 3, i.e. the région at which the tear open member 17 is fastened to the upwardly pivotable end part, and indeed at its outer margin, so that on a pulling up of the end part, a lever effect is preferably produced that promûtes the opening of the end part.
The can end comprises the composite material schematically shown in Fig. 2, with only the sheet métal layer 5 and the plastic film 6 comprising a plastic molding being shown in Fig 4 for reasons of simplicity. The molding contour of the plastic film 6 corresponds to the contour of the lower side of the sheet métal end part 5 5 and preferably extends up to and into the beaded région where it can simultaneously act as a seal and as corrosion protection.
The end région 10 indicated in Fig. 1 is provided in the can end material 5 and, in accordance with the invention, is not bounded by a material weakening, but rather 10 by a so-called microgap 8. This peripheral microgap 8 is preferably formed in that the end région 10 is punched out of the sheet métal material and is subsequently, or in the further course of the production process, pressed back into the opening again so that a planar métal surface is in turn présent. The punching process is preferably configured such that a peripheral contour results in the punched part 15 that, observed over the material thickness, comprises a flush-cut section and an adjoining chamfer-cut section, with the flush-cut section preferably extending over less than 50% of the material thickness.
A clamping hold is thus présent in the région of the microgap 8 between the sheet 20 métal parts pushed into one another again so that on the first opening of the réceptacle, a métal séparation no longer has to take place and thus also no formation of métal microparticles occurs. Such an occurrence of microparticles, in particular microparticles of aluminum, cannot be prevented in conventional can ends having closed tear open lines.
The microgap 8, that is preferably formed by a straight line, i.e. a non-toothed line, is covered and thus sealed by the plastic film 6 at the lower side, i.e. at the inner end side. The plastic film has a more or less deep notch 9 adjacent to the microgap 8, said notch 9 ensuring that only a comparatively small force is required 30 to open the end, with the total force required for the opening also being able to be predefinable by the seal pairing that is implemented in the coopération ofthe sealing frame 14 and of the stiffening and coupling frame 11.
The sealing frame 14 composed of plastic material, e.g. polypropylene, surrounds 5 the opening région 10 and is fixedly connected, preferably in a recess of the sheet métal layer 5, to the métal end material via the already mentioned adhesive lacquer film.
The sealing frame has two réception grooves 15, 16, divided from one another by 10 a center web 20, for a latching rib 12 and a sealing rib 13 that are provided at the stiffening and coupling frame 11. This stiffening and coupling frame 11, likewise comprising plastic material, preferably polypropylene, is in an analog manner to the sealing frame 14 fixedly connected to the métal end, but not to the fixed position end part, but ratherto the upwardly pivotable end région 10. The upwardly 15 pivotable end part is thus formed by the métal end région bounded by the microgap and by the stiffening and coupling frame 11 that is fastened thereto at the marginal side, that gives the end part the desires surface stability, and that prevents an unwanted deformation of the end part.
The tear open member 17 is molded to the outer margin of the stiffening and coupling frame 11 and a pivot bearing région 18 is likewise arranged molded diametrically opposite thereto and is fixedly connected to the end surface disposed outside the upwardly pivotable end part, which will be explained with reference to Fig. 5.
The tear open member 17 has a fixing element 22 that extends toward the end part and is fixed there such that the intactness of the respective packaging is visible or can be checked with reference to this connection.
Fig. 5 shows in an enlarged représentation the detail région D of Fig. 3, i.e. the pivot bearing région 18 disposed diametrically opposite the tear open member 17 in connection with the sealing frame 14 and the stiffening and coupling frame 11 that are in engagement with one another in the shown manner and that form a 5 sealing snap and latch connection in the closed state of the can end.
The rib 13 received in the réception groove 16 and the rib 12 received in the réception groove 15 are functionally different, i.e. separate functions are présent, whereby an optimization of the coopération of the sealing frame 14 and the stiffening and coupling frame 11 is made possible. The sealing rib 13 forms a sealing surface pairing 23 with the receiving rib 16, with the opening résistance being able to be set by the predefinable inclination of the mutually cooperating sealing surfaces, i.e. a slanted surface pairing can be selected that ensures that, on the one hand, it is possible to withstand the respective internai pressure and, 15 on the other hand, the opening process is not made too difficult.
The latching rib 12 and the associated réception groove 15 likewise hâve short, mutually cooperating slanted surfaces that, on the one hand, ensure the latching snap-in connection, but, on the other hand, also make possible a small free relative movement with respect to one another. This free movability can be used to permit a small initial opening of the can end on which a possible internai pressure is reduced without the end already being opened so far that liquid could escape in a disruptive manner.
The stiffening and coupling frame 11 is connected to the fixed part of the pivot bearing via a toggle spring section 21 that makes it possible to hold the end région pivoted up in a position pivoted up of e.g. more than 130° so that the opening région of the can is freely accessible.
To ensure that no dirt particles or contaminants can penetrate under the can end région covered by the plastic parts, provision is made in accordance with a further spécial feature ofthe invention that the stiffening and coupling frame 11 has a sealing skirt 24 over its total outer periphery that extends up to the fixed position 5 end surface and that is preferably bonded to the fixed position end surface with e.g. a molecular or atomic bond via the adhesive lacquer film 7. This connection is separated on the first opening.
A réceptacle formed in accordance with the invention with a reclosable end has a 10 number of advantages with respect to previously known food réceptacles or food cans. No separate end thus has to be used or the can can be closed by an aluminum foil or in another manner. In addition, the end designed in accordance with the invention does not bend like the ends of conventional tear open cans and réceptacles ofthe most varied cross-sectional shapes can be freely used, with the 15 opening cross-section being freely configurable. The reclosable end in accordance with the invention increases the leak tightness and security with respect to an unintended opening and the problem of a formation of métal splinters or microparticles and the health hazard resulting therefrom is also above ail fully avoided that has always been présent with the previously known métal cans.
In addition to food containers, réceptacles configured in accordance with the invention can also be used in the non-food sector, for example for oils and enamels, and equally also in réceptacles in which products only hâve to be stored at a spécifie pressure, e.g. réceptacles for tennis balls. The area of use of 25 réceptacles having a reclosable end and configured in accordance with the invention is thus practically unlimited.
Reference numéral list product container, can body tear open end beaded margin composite material sheet métal layer (aluminum, tin plate) plastic film, molding adhesive lacquerfilm microgap notch end région, upwardly pivotable stiffening and coupling frame latching rib sealing rib sealing frame réception groove, inner réception groove, outer tear-open member pivot bearing région fixed part of the pivot bearing central web toggle spring section fixing element sealing surface pairing sealing skirt
Claims (20)
1. A réceptacle for a hermetically sealed storage of liquid, pasty and/or solid products, consisting of a product container (1 ) open at one side and a tear open end (2) connected in an airtight manner to the product container via a beaded margin (3) or via an adhesive connection, a welded connection wherein the tear open end (2) is reclosable and comprises a composite material (4) in the form of a sheet métal layer (5) bonded to a plastic film (6); wherein the sheet métal layer (5) is pierced or punched through in a manner corresponding to the peripheral line of a respective provided opening région while forming a microgap (8); wherein the plastic film (6) disposed on an inner réceptacle side and closing the microgap (8) is provided at a small spacing from the microgap (8) with a weakening or with a notch (9) extending at least regionally largely over the film thickness; wherein a peripheral stiffening and coupling frame (11) having at least one sealing and latching rib (12, 13) is fastened atthe outer end side on the marginal région of an end région (10) which can be pivoted open and which is bounded by the microgap (8); wherein a sealing frame (14) engaged over by the stiffening and coupling frame (11 ) is likewise fastened at the outer end side on a fixed end surface adjacent to the microgap (8) and outside the opening région and has grooves (15, 16) for a sealing réception ofthe sealing and latching ribs (12, 13) provided at the stiffening and coupling frame (11); wherein the position ofthe sealing and latching ribs, on the one hand, and ofthe réception grooves, on the other hand, can also be swapped over; and wherein an end part formed by the end région (10), which can be pivoted open and which is bounded by the microgap (8), and by the stiffening and coupling frame (11 ) fastened thereto is, on the one hand, provided with a tear open member (17) connected in an articulated manner to the outer margin of the stiffening and coupling frame (11 ) and is, on the other hand, fixedly connected diametrically opposite said tear open member (17) to the end surface disposed outside the end part which can be pivoted open via a pivot bearing région (18) molded to the stiffening and coupling frame (11).
2. A réceptacle in accordance with claim 1, characterized in that the réceptacle has a round, oval or polygonal cross-sectional shape and the extent ofthe microgap (8) is at least partly adapted to the respective crosssectional shape.
3. A réceptacle in accordance with claim 1 or claim 2, characterized in that the sealing frame (14) intended for receiving the end part (10, 11) is at least largely adapted in its peripheral extent to the extent ofthe beaded margin (3) or ofthe connection région (3) between the product container (1) and the end (2).
4. A réceptacle in accordance with one or more ofthe preceding daims, characterized in that the stiffening and coupling frame (11 ), the sealing frame (14) and the fixed part (19) ofthe pivot bearing région (18) are connected to the end material in a sealing and fixed manner.
5. A réceptacle in accordance with one or more of the preceding daims, characterized in that the tear open member (17) generates a push-in force via a lever translation which becomes effective at the start of the opening process, said push-in force acting, adjacent to the microgap (8), on the punched-out end région (10) and separating the région of the film (6) covering the microgap (8) from the fixed-position end material in the further opening process.
6. A réceptacle in accordance with any one of the preceding claims, characterized in that the plastic film (6) is configured as a molding adapted to the lower side end contour and having molded positioning éléments.
7. A réceptacle in accordance with claim 6, characterized in that the positioning éléments comprise knobs which engage into corresponding recesses of the end material.
8. A réceptacle in accordance with one or more of the preceding claims, characterized in that, when a beaded margin (3) is présent, the plastic film (6) of the composite material (4) extends up to and into it and acts as a sealing material and as corrosion protection in the beaded connection.
9. A réceptacle in accordance with one or more of the preceding claims, characterized in that the mechanical strength of the plastic film (6) in the composite material (4) is selected such that the material thickness of the sheet métal layer (5) can be reduced in comparison with a film-free component while ensuring the required total strength of the composite material.
10. A réceptacle in accordance with one or more of the preceding claims, characterized in that two réception grooves (15, 16) separated by a central web (20) are formed in the sealing frame (14) surrounding the opening région, with an inwardly disposed réception groove (15) cooperating with a sealing rib (13) and an outwardly disposed réception groove (16) cooperating with a latching rib (12) ofthe stiffening and coupling frame (11).
11. A réceptacle in accordance with one or more of the preceding claims, characterized in that the pivot bearing région (18) has an integrated toggle spring section (21) which holds the end part formed by the end région (10) which can be pivoted open, by the stiffening and coupling frame (11) fastened thereto and by the tear open member (17) in an open position of more than 130° after exceeding an opening angle of approximately 90° and which allows the end part to snap into an angular position of less than 30° on the closing process after falling below the angle of approximately 90°.
12. A réceptacle in accordance with any one ofthe preceding claims, characterized in that the stiffening and coupling frame (11) has a sealing skirt (24) over its total outer periphery which extends up to the fixed-position end surface.
13. A réceptacle according to claim 1, wherein the réceptacle is for hermetically sealed storage of foods.
14. A réceptacle according to claim 1, wherein the sheet métal layer (5) is composed of aluminum or tin plate.
15. A réceptacle according to claim 1, wherein the sheet métal layer (5) is bonded to the plastic film (6) via an adhesive lacquer film (7).
16. A reœptacle according to claim 4 and claim 15, wherein the stiffening and coupling frame (11), the sealing frame (14) and the fixed part (19) ofthe pivot bearing région (18) are connected via the adhesive lacquerfilm (7) to the end material in a sealing and fixed manner.
17. A réceptacle according to claim 5, wherein the tear open member (17) is configured as a ring tab.
18. A réceptacle according to claim 9, wherein the material thickness of the sheet métal layer (5) can be reduced by at least 5% in comparison with a film-free component.
19. A réceptacle according to claim 12, wherein the sealing skirt is bonded to the fixed-position end surface but can still be torn open.
20. A réceptacle according to claim 19 and claim 15, wherein the sealing skirt is bonded to the fixed-position end surface via the adhesive lacquer film (7).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17165039.3 | 2017-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
OA19300A true OA19300A (en) | 2020-06-05 |
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