CN1315698C - Closure means for cans, especially preserved food cans - Google Patents
Closure means for cans, especially preserved food cans Download PDFInfo
- Publication number
- CN1315698C CN1315698C CNB018231098A CN01823109A CN1315698C CN 1315698 C CN1315698 C CN 1315698C CN B018231098 A CNB018231098 A CN B018231098A CN 01823109 A CN01823109 A CN 01823109A CN 1315698 C CN1315698 C CN 1315698C
- Authority
- CN
- China
- Prior art keywords
- flange
- mentioned
- thin slice
- tin
- shell
- 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.)
- Expired - Lifetime
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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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2041—Pull tabs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Packages (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Closures For Containers (AREA)
- Wrappers (AREA)
- Stackable Containers (AREA)
Abstract
The present invention relates to a can with a casing (1), wherein the casing which can have any structure is made of a properly treated metal sheet. A device discloses by the present invention comprises a cover (4) in the form of a stratified sheet, wherein the sheet comprises an external aluminum layer and an internal plastic layer and is fixed on an opening of the casing (1) by a thermal welding method, a bonding method or any other methods; a pulling sheet is projected out of the sheet and acts as a handle. The stratified sheet (4) forming the actual cover can be directly fixed on the opening of the casing (1), and therefore, the sheet is suitably shaped, or the cover can be supported by a peripheral bracket (2) which is still made of a metal sheet and is provided with an internal peripheral flange (3). The stratified sheet (4) is fixed on the peripheral flange (3), and cover assemblies (2-4) are fixed on the casing (1) of a container by a standard flanging system.
Description
Purpose of the present invention
The present invention relates to the particularly sealing arrangement of tin can of a kind of box, this tin can for example is canned asparagus spear box, tomato tin can, chilli can box, these tin cans can be any structure, material with latten, aluminium sheet or other any suitable used as said purpose, the objective of the invention is to make and be easy to open above-mentioned tin can, for in the tin can the thing of adorning and Yan Buhui damages its sealing characteristics, during opening tin can, be safe from danger fully.
Background of invention
As everyone knows, conventional can is made of a shell, and this shell is used in the iron plate that outside face and inside face suitably handled and constitutes, and this shell can be prism, cylindrical shape or other structure.This tin can in all cases, can adorn one after filling thing on its opening also is the seal cover cap that metallo-has similar characteristic, the sealing lid is a flange, this flange is contained on the above-mentioned opening with mechanical means, except that forming a kind of sir-tight sealing arrangement, also form a flange, this flange can play the supporting member effect of traditional can breakdown device with in the opening operation afterwards.
Open comprise the sizable fruit of size for example the tin can of asparagus be a very difficult thing, the size of being not only it is big, but also be its shape, this tin can has the continuous partitioning portion of remarkable bending, when opening when opening with manual can breakdown device and with electronic can breakdown device, above-mentioned these partitioning portions just have problems.
Difficulty or inconvenience for the box that opens a tin, a kind of method in the solution that has proposed is to adopt " easy-to-draw " tin can, on this tin can near the place of above-mentioned flange, lid has the punching press trace, and this punching press trace forms the very weak line of intensity, thereby can utilize the method for tearing relatively easily to open, for this reason, the separating part of lid has corresponding draw ring, and this draw ring begins as the device of tearing, subsequently as the pulling-on piece of opening.
This solution has been used on all types of tin cans, comprises cylindrical shape, rectangular, oval-shaped tin can.The box though this method can open a tin quickly, but on the other hand, it has problem again, problem mainly both ways, the one, open draw ring and may disconnect under many circumstances, make this system not use, the 2nd, when making the tin can material with latten, scratch end user's hand and/or finger easily, this thing often takes place, and forms the very sharp keen edge of a knife because constitute the above-mentioned latten of this lid removable part when opening.
Adopt the aluminium tin can the part head it off, but this solution is hinting that cost significantly increases, because store and requirements on transport, this jar must be stacked to sizable height, and, because for same tin can cost, the mechanical strength of aluminium is significantly less than the intensity of latten, so must significantly increase the thickness of its wall, to avoid damaging by pressure the box that is positioned at lower floor, perhaps its higher cost also always can not be accepted by market, because tin product is not the high price goods usually.
In addition, also must remember, the tinning technology of some fruit for example tinning technology of asparagus comprises sterilisation step, tin can need bear in sterilizer 120 ℃ high temperature in sterilisation step, this sterilizer is operated under the high pressure, this pressure can offset since the heating tin can by the inside outward pressure of the institute's thing of adorning generation in the tin can.
Brief summary of the invention
The tin can sealing arrangement that the present invention proposes has solved the problem of above-mentioned two aspects with satisfactory way.Can guarantee to open a tin soon and easily box, and to the end user without any the danger that scratches, and can utilize the sterilization mode of some fruit equally.
In brief, the present invention is a kind of tin can of any structure, this tin can adopts rectangular shape under the situation of for example canned asparagus spear, its corner angle are rounded, wherein a face in its big surface is stamped or forms groove, and its bigger part can substitute with aluminium of tearing easily and plastic film.
For this reason, specifically be, the present invention is intended to replace great majority with handling the conventional rigid can lid that metal sheet is done with the stratification thin slice that aluminium and plastic composite are done, and this aluminium and plastic composite have been used in the food industry, but also can be used in other different aspect.
The edge that utilizes punching formation replacement part lid that still maintenance is contacted with thing in the can is not covered by the coating.
Therefore, need to solve the problem that the characteristic by liquid in the can causes, because this liquid mainly is made up of water and salt, this composition has very big corrosive property for the iron that constitutes can, and the iron on the edge that is produced by the punching press lid is not covered by resin, this resin is coated in the internal tank remainder, is corroded preventing.
By forming a shoulder or a flange head it off of can being satisfied with up.This flange forms an aperture when making lid, be full of the inside coating of lid and tin can in the aperture, and this coating can stop the liquid in the can and the edge contact of stamping cover with the shoulder of formation, thereby can avoid its corrosion.
According to the first embodiment of the present invention, above-mentioned stratification thin slice is supplemented with the support of the traditional can ends of being similar to of metallic character neighboring area in the scope of lid, above-mentioned support has the inside circumference flange, the stratification thin slice that constitutes lid is fixed on the above-mentioned support by this flange before sealing, and lid is made the as a whole shell that can be connected in tin can with the conventional mechanical device that traditional tin can is used thus.
According to the second embodiment of the present invention, this lid does not have above-mentioned support, on the present above-mentioned stratification thin slice of mere body, in this case, the tin can shell is not conventional, and Zhou Falan in must on its opening, forming, this flange type is similar to above-mentioned support, has the same purpose that is used for fixing the stratification thin slice.
Under any circumstance, above-mentioned thin slice or be fixed on the support or directly be fixed on the opening of can shell, fix with welding process or with any other suitable method, this thin slice is not only the positiver sealing device of the antiseep that can bear sterilization processing in the high-temperature sterilization steamer, and can utilize and pull pulling-on piece uncover easily, this pulling-on piece can freely stretch out from the arbitrary position on the thin slice periphery.
In above-mentioned two embodiment among arbitrary embodiment, the inward flange zone of support or the fringe region of can shell aperture will be upwards outwardly-bent, make the edge after sealing up a tin, can separate with internal container, purpose is to avoid above-mentioned edge to contact with the dress liquid phase, the problem of oxidation that causes, this liquid mainly is made up of water and salt, because people at first adopt inside face to scribble the metal sheet of lacquer, resin or plastics when producing can, to avoid the oxidation of metal sheet, this coated component is obviously inoperative to the edge that forms in the drawing operation.
Description of drawings
For the preferred example according to practical embodiment of the present invention describes, help to understand better feature of the present invention, carry out this explanation with reference to one group of accompanying drawing that constitutes a part of the present invention, described example is exemplary, do not have restrictedly, these accompanying drawings are:
Fig. 1 is a phantom view, illustrates to have one of tin can that constitutes object sealing arrangement of the present invention;
Fig. 2 is a decomposition section, is illustrated in the details of tin can shown in the last figure of height of first embodiment of the invention opening;
Fig. 3 is a section drawing, is similar to Fig. 3, and the details corresponding to second embodiment of the invention is shown;
Fig. 4 illustrates the tin can that is similar to Fig. 1, and in this tin can, the bottom below it constitutes with the shell that is different from side casings, and this bottom utilizes the flange portion that is similar to Fig. 2 to connect;
Fig. 5 is a phantom view, and other possible structure of canned box is shown.
The preferred embodiments of the present invention
With reference to these accompanying drawings, specifically see figures.1.and.2, as can be seen, how the sealing arrangement that proposes is applied to tin can, this tin can is made of metal sheet, this metal sheet is stamped and suitably handles on medial surface and lateral surface, so that bear the effect that the thing of adorning causes in the effect of external environment condition and the can.
According to the present invention, above-mentioned shell (1) has lid, this lid is made of peripheral bracket (2) and stratification thin slice (4), the former utilizes conventional flanged connection system as shown in Figure 2 to be fixed on the opening of above-mentioned shell, its feature also is, go up formation inside circumference flange (3) at above-mentioned support (2), should preferably be positioned on the imagination horizontal surface by interior Zhou Falan, this stratification thin slice (4) utilizes welding method, adhering method, perhaps other any suitable method is fixed on this interior Zhou Falan (3), this stratification thin slice (4) makes lid perfect, forms promptly with conventional composite materials to form with the high-quality aluminium sheet, and the inboard of this aluminium sheet is coated with one deck plastic film.
Clearly, the system of fixed cover has abundant intensity, can bear the sterilization processing in the above-mentioned high-temperature sterilization steamer.
Be inserted in the traditional recess that is formed by support (2) outside the whole length of flange (3) is firmly secured to the extendible portion of stratification thin slice (4) except pulling-on piece (5) of this flange (3), this pulling-on piece constitutes the handle of the box that opens a tin.
Even so, according to embodiment shown in Figure 3, can not need support (2), making can be by the method for folding tin can opening, actual shell (1) with tin can forms flange (3 '), the same with the foregoing description, above-mentioned stratification thin slice (4) is fixed in this flange (3 '), above-mentioned thin slice has the pulling-on piece (5) that Gong pulls equally.
In any modified example in above-mentioned two kinds of modified examples, can see, comprise folded piece (6) on the fringe region of flange (3,3 ') corresponding to its free edge, this free edge is upwards with outwardly-bent, shown in Fig. 2 and 3, make the best inside of above-mentioned free edge (7) separate, thereby prevent oxidizing action by lid (4) generation itself with tin can.At this on the one hand, folded piece (6) should form shown in Fig. 2 and 3 like this, makes flange (3,3 ') do as a wholely should form a desirable outside face, so that well fit lid (4).
Under any circumstance, the outward appearance of tin can is similar to the outward appearance of traditional tin can very much, unique exception is that its lid (4) becomes to semi-rigid from rigidity, and sealing keeps optimum regime, outstanding advantage be can be very fast with the box that opens a tin of mode simply, method is simply with pulling pulling-on piece (5), during above-mentioned opening operation to the end user without any the danger that scratches.
Fig. 4 is similar to Fig. 1, but bottom, its underpart utilizes the shell that is different from side (1) to constitute, and this bottom utilizes support (2) to be connected in the periphery of side shell, and this support (2) is similar to support shown in Figure 2.
Claims (6)
1. sealed box, comprise shell (1), this shell (1) is used in the metal sheet of handling on its inside face and the outside face and makes, this shell (1) has the base of top opening, on this opening, form inside circumference flange (3,3 '), this flange forms fringe region (6), wherein a thin slice (4) utilizes the heatsealing method to be fixed in above-mentioned periphery flange (3,3 '), above-mentioned fringe region (6) upwards and outwards folds towards self, form general cylindrical shape, the edge (7) of wherein above-mentioned fringe region (6) and flange (3,3 ') contact, with circumferential groove that makes progress of its formation, it is characterized in that described thin slice (4) is a stratification thin slice (4), have aluminium skin and inner plastic, and fill up the inside face coating of this thin slice in the described circumferential groove.
2. sealed box as claimed in claim 1 is characterized in that, this flange (3,3 ') is the integral part of shell (1).
3. sealed box as claimed in claim 1 is characterized in that, described flange (3) is the inside circumference flange of a rigid metal peripheral bracket (2), and peripheral bracket (2) is firmly attached in the open top of shell (1).
4. as each described sealed box in the above-mentioned claim, it is characterized in that this stratification thin slice (4) is connected on the flat zone, inside of flange (3,3 '), above-mentioned connection does not influence the folding or inward flange (6) of above-mentioned periphery flange (3,3 ').
5. as each described sealed box in the above-mentioned claim, it is characterized in that this stratification thin slice (4) has the outside extendible portion (5) as handle.
6. as each described sealed box in the above-mentioned claim, it is characterized in that: fringe region (6) is folded in one way, makes flange (3,3 ') provide a flat outside face as an integral body, and thin slice (4) is used for fitting well.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2001/000124 WO2002079041A1 (en) | 2001-03-29 | 2001-03-29 | Closure means for cans, especially preserved food cans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1512948A CN1512948A (en) | 2004-07-14 |
| CN1315698C true CN1315698C (en) | 2007-05-16 |
Family
ID=8244315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018231098A Expired - Lifetime CN1315698C (en) | 2001-03-29 | 2001-03-29 | Closure means for cans, especially preserved food cans |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1380513B1 (en) |
| CN (1) | CN1315698C (en) |
| DE (2) | DE10197223B4 (en) |
| ES (1) | ES2256219T3 (en) |
| PE (1) | PE20020937A1 (en) |
| WO (1) | WO2002079041A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2246634B1 (en) * | 2003-04-08 | 2007-04-16 | Industrias Alimentarias De Navarra, S.A. | CLOSURE FOR CAN. |
| EP1502866A1 (en) * | 2003-07-29 | 2005-02-02 | Impress Group B.V. | Container |
| ES2283231B1 (en) * | 2007-02-09 | 2008-06-01 | Peel.Off Iberica S.L. | CAN CONTAINER CAN. |
| CH709571A1 (en) | 2014-04-29 | 2015-10-30 | Soudronic Ag | Method and apparatus for the production of tear-open and a tear-open lid. |
| CH713744A2 (en) | 2017-04-21 | 2018-10-31 | Soudronic Ag | Method and device for the production of tear-open lids and a tear-open lid. |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2380196A1 (en) * | 1977-02-10 | 1978-09-08 | Bebo Plastik Gmbh | Spigot type container cover - has central section detachable from spigot edge, using pull tab |
| EP0090957A2 (en) * | 1982-04-05 | 1983-10-12 | Sandherr Packungen AG | Closure for sterilisable containers |
| GB2237259A (en) * | 1989-07-10 | 1991-05-01 | Metal Box Plc | Container closure |
| GB2244254A (en) * | 1990-05-23 | 1991-11-27 | Zuechner Blechwaren | Metal container with sealable shaped rim |
| DE29817592U1 (en) * | 1998-10-02 | 1998-11-26 | Union Deutsche Lebensmittelwer | Can |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH629983A5 (en) * | 1978-06-06 | 1982-05-28 | Alusuisse | METHOD FOR PRODUCING LID RINGS FOR CAN CAN. |
| US4544080A (en) * | 1984-10-25 | 1985-10-01 | General Can Company, Inc. | Closure having reinforced pull tab |
| CH674829A5 (en) * | 1987-12-14 | 1990-07-31 | Alcan Rorschach Ag | |
| DE9203799U1 (en) * | 1992-03-20 | 1992-06-25 | Glud & Marstrand A/S, Virum, Dk | |
| DE29609130U1 (en) * | 1996-05-21 | 1997-09-18 | Rasselstein Hoesch Gmbh | Easy to open can lid |
| DE10338445B4 (en) * | 2003-08-19 | 2007-02-08 | IMPRESS Metal Packaging S.A., Crosmières | Cover ring with inclined flat bar |
| WO2005070585A1 (en) * | 2004-01-16 | 2005-08-04 | Heyn William M | Angled sealing surface for container end panel |
-
2001
- 2001-03-29 CN CNB018231098A patent/CN1315698C/en not_active Expired - Lifetime
- 2001-03-29 DE DE10197223T patent/DE10197223B4/en not_active Expired - Lifetime
- 2001-03-29 EP EP01915440A patent/EP1380513B1/en not_active Expired - Lifetime
- 2001-03-29 WO PCT/ES2001/000124 patent/WO2002079041A1/en active IP Right Grant
- 2001-03-29 DE DE60116386T patent/DE60116386T2/en not_active Expired - Lifetime
- 2001-03-29 ES ES01915440T patent/ES2256219T3/en not_active Expired - Lifetime
-
2002
- 2002-03-27 PE PE2002000248A patent/PE20020937A1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2380196A1 (en) * | 1977-02-10 | 1978-09-08 | Bebo Plastik Gmbh | Spigot type container cover - has central section detachable from spigot edge, using pull tab |
| EP0090957A2 (en) * | 1982-04-05 | 1983-10-12 | Sandherr Packungen AG | Closure for sterilisable containers |
| GB2237259A (en) * | 1989-07-10 | 1991-05-01 | Metal Box Plc | Container closure |
| GB2244254A (en) * | 1990-05-23 | 1991-11-27 | Zuechner Blechwaren | Metal container with sealable shaped rim |
| DE29817592U1 (en) * | 1998-10-02 | 1998-11-26 | Union Deutsche Lebensmittelwer | Can |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10197223T5 (en) | 2004-04-29 |
| DE60116386T2 (en) | 2006-08-17 |
| DE60116386D1 (en) | 2006-02-02 |
| PE20020937A1 (en) | 2002-12-25 |
| WO2002079041A1 (en) | 2002-10-10 |
| DE10197223B4 (en) | 2013-04-18 |
| EP1380513A1 (en) | 2004-01-14 |
| EP1380513B1 (en) | 2005-12-28 |
| CN1512948A (en) | 2004-07-14 |
| ES2256219T3 (en) | 2006-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180712 Address after: Murcia Patentee after: Crown food, Spain Limited by Share Ltd Address before: Navarra Spain Patentee before: Alimentarias de Navarra Ind S.A. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070516 |