CN104858335A - Food zip-top can structure and machining technology - Google Patents
Food zip-top can structure and machining technology Download PDFInfo
- Publication number
- CN104858335A CN104858335A CN201410604452.0A CN201410604452A CN104858335A CN 104858335 A CN104858335 A CN 104858335A CN 201410604452 A CN201410604452 A CN 201410604452A CN 104858335 A CN104858335 A CN 104858335A
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- tank body
- food
- top structure
- pop
- enlarging
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- Containers Having Bodies Formed In One Piece (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
The invention provides a food zip-top can structure. The food zip-top can structure comprises a can body (1), wherein the can opening of the can body (1) expands outwards to form a flared opening (2) while extending upwards, the flared opening (2) extends outwards and then extends upwards to form a lip part (3), and the lip part (3) is turned outwards to form a lip edge (4). The invention further provides a machining technology for the food zip-top can structure. The food zip-top can structure is easy to open and free of sharp metal edges after opened, food in a can can be poured out completely, and the structure can be sealed in cooperation with an easy-to-tear cover.
Description
Technical field
The present invention relates to a kind of food pop-top, particularly relate to a kind of good seal, safety and sanitation, food pop-top structure easy to use and processing technology.
Background technology
For the pop can of packaging for foodstuff; current industry pop-top can tank has built-up tin and two piece can two kinds of modes; built-up tin material mainly adopts tinplate; tank body is become by craft types such as shaping, high-frequency weldings; then bottom uses bottom sealing; after filling content, top seal uses aluminium matter easy open cover, and built-up tin is mainly used in the higher product of tank body; Two piece can material mainly adopts aluminium sheet to pass through punch forming, and after filling content, top seal uses aluminium matter easy open cover.Fixation between easy open cover draw ring and lid, makes to draw lid to open difficulty.In addition, if after pulling open from La Gai after can opening, lid mouth is sharp due to metal edges, also may scratch user's skin.The Easy tearing lid product wish replacement easy open cover pulling open part and be made up of aluminium foil is developed by producer.But Easy tearing lid structure four limit all needs remaining about 4mm adhesive tape, after sealing with existing tank body, because the lid of periphery 4mm intercepts, food in tank cannot be poured out completely when client uses.Current all types tank body all cannot meet above condition, and therefore domestic food canned pack temporarily can not use Easy tearing lid to pack.
Summary of the invention
For above-mentioned prior art, technical problem to be solved by this invention is to provide a kind of unlatching easily, and without sharp metal limit after opening, in tank, food can be poured out completely, the food pop-top structure that Easy tearing lid seals can be coordinated, provide the processing technology of this food pop-top structure simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of food pop-top structure, comprise tank body, the tank mouth of described tank body upwards extends and outwards expands formation enlarging simultaneously, described enlarging stretches out and upwards extends to form lip again, and described lip outward flanging forms lip limit.
Further improvement of the present invention is, described tank body is made up of aluminium sheet.
Be applied to a processing technology for food pop-top structure as above, comprise the following steps:
A. first time stretches: to be become by plate stretch the cross sectional dimensions of tank body larger than the cross sectional dimensions of standard tank body by the first drawing die, the tank body that the height of aspect ratio standard tank body is short;
B. second time stretch: by the second drawing die to first time drawing and forming tank body carry out drawing and forming again, the size that the cross section making the cross sectional dimensions of tank body reach standard tank body requires, high elongation is to the height of the tank body requirement that is near the mark;
C. third time stretches, expands neck: carry out flange enlarging, stretching by the tank mouth of the 3rd drawing die to the tank body of second time drawing and forming, the dimensional values making the overall dimensions of tank body reach standard tank body to require.
Further improvement of the present invention is, further comprising the steps of before steps A:
Printing: carry out distortion printing on raw sheet material.
Further improvement of the present invention is, described sheet material is aluminium plate.
Compared with prior art; the invention has the advantages that; the tank mouth of this food pop-top structure upwards extends and outwards expands formation enlarging simultaneously; enlarging stretches out and upwards extends to form lip again; lip outward flanging forms lip limit; in tank body, just do not have sharp metal limit like this, the food in tank just can be poured out completely; Foil sealing, on lip limit, is opened easily; Provide the processing technology of this food pop-top structure simultaneously.
Accompanying drawing explanation
Fig. 1 is food pop-top sectional view of the present invention;
Fig. 2 is process chart of the present invention.
In figure, each component names is as follows:
1-tank body;
2-enlarging;
3-lip;
4-lip limit.
Detailed description of the invention
Below the present invention is described in further detail, but not as a limitation of the invention.
The invention provides a kind of food pop-top structure that Easy tearing lid can be coordinated to seal, break through the limitation that existing canned food product uses, the Easy tearing lid of more Environmental Safety can be allowed for food packaging items, be widely used in canned food.
As shown in Figure 1, food pop-top structure of the present invention, comprises tank body 1, and the tank mouth of described tank body 1 upwards extends and outwards expands formation enlarging 2 simultaneously, and described enlarging 2 stretches out and upwards extends to form lip 3 again, and described lip 3 outward flanging forms lip limit 4.Particularly, described tank body 1 is made up of aluminium sheet.
Food pop-top structure of the present invention overlaps drawing dies through 3 punching stretch formings by a slice aluminium sheet by three, tank mouth flange is designed to flaring structure, four limit enlargings are all more than 4mm, when tank body and Easy tearing lid are sealed, Easy tearing lid adhesive tape and tank body enlarging place match, and aperture position is greater than inner tank wall size.This food pop-top structure makes lid fall within tank body more stably when cover seals, seal quality is better.Enlarging is the part that tank body increases, and actual capacity is the same with former tank body.Food in tank can be poured out completely when client uses, use Portable safety more.
The present invention also provides a kind of processing technology being applied to food pop-top structure as above, comprises the following steps:
A. first time stretches: to be become by plate stretch the cross sectional dimensions of tank body larger than the cross sectional dimensions of standard tank body by the first drawing die, the tank body that the height of aspect ratio standard tank body is short;
B. second time stretch: by the second drawing die to first time drawing and forming tank body carry out drawing and forming again, the size that the cross section making the cross sectional dimensions of tank body reach standard tank body requires, high elongation is to the height of the tank body requirement that is near the mark;
C. third time stretches, expands neck: carry out flange enlarging, stretching by the tank mouth of the 3rd drawing die to the tank body of second time drawing and forming, the dimensional values making the overall dimensions of tank body reach standard tank body to require.
Preferably, further comprising the steps of before steps A:
Printing: carry out distortion printing on raw sheet material.
Particularly, described sheet material is aluminium plate.
Three drawing processes of the present invention make the volume of food pop-top greatly increase, and processing technology security is high, there will not be material to be stretched and breaks; And can body can carry out distortion printing on raw sheet material, after punching stretch, reduction printing original edition plate.
The invention has the advantages that; the tank mouth of this food pop-top structure upwards extends and outwards expands formation enlarging simultaneously, and enlarging stretches out and upwards extends to form lip again, and lip outward flanging forms lip limit; in tank body, just do not have sharp metal limit like this, the food in tank just can be poured out completely; Foil sealing, on lip limit, is opened easily; Provide the processing technology of this food pop-top structure simultaneously.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. a food pop-top structure, comprise tank body (1), it is characterized in that: the tank mouth of described tank body (1) upwards extends and outwards expands formation enlarging (2) simultaneously, described enlarging (2) stretches out and upwards extends to form lip (3) again, and described lip (3) outward flanging forms lip limit (4).
2. food pop-top structure as claimed in claim 1, is characterized in that: described tank body (1) is made up of aluminium sheet.
3. process a processing technology for food pop-top structure as claimed in claim 1 or 2, comprise the following steps:
A. first time stretches: to be become by plate stretch the cross sectional dimensions of tank body larger than the cross sectional dimensions of standard tank body by the first drawing die, the tank body that the height of aspect ratio standard tank body is short;
B. second time stretch: by the second drawing die to first time drawing and forming tank body carry out drawing and forming again, the size that the cross section making the cross sectional dimensions of tank body reach standard tank body requires, high elongation is to the height of the tank body requirement that is near the mark;
C. third time stretches, expands neck: carry out flange enlarging, stretching by the tank mouth of the 3rd drawing die to the tank body of second time drawing and forming, the dimensional values making the overall dimensions of tank body reach standard tank body to require.
4. the processing technology of food pop-top structure as claimed in claim 3, is characterized in that, further comprising the steps of before steps A:
Printing: carry out distortion printing on raw sheet material.
5. the processing technology of the food pop-top structure as described in claim 3 or 4, is characterized in that: described sheet material is aluminium plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604452.0A CN104858335A (en) | 2014-10-31 | 2014-10-31 | Food zip-top can structure and machining technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604452.0A CN104858335A (en) | 2014-10-31 | 2014-10-31 | Food zip-top can structure and machining technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104858335A true CN104858335A (en) | 2015-08-26 |
Family
ID=53904749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410604452.0A Pending CN104858335A (en) | 2014-10-31 | 2014-10-31 | Food zip-top can structure and machining technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104858335A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127267A (en) * | 2015-10-09 | 2015-12-09 | 黎泽棉 | Drawing forming processing method of tinplate two-piece can, forming die and product thereof |
| CN106628608A (en) * | 2016-12-28 | 2017-05-10 | 广州卓迅包装机械有限公司 | Easy-to-tear can for film covering foods |
| CN109335196A (en) * | 2018-12-14 | 2019-02-15 | 重庆友鹏包装制品有限公司 | F304# iron/aluminium expands the rectangular two-piece can of neck taper drawing pork luncheon meat and production technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3503239A (en) * | 1966-06-27 | 1970-03-31 | Continental Can Co | Rod-insert spin flanging head |
| US3782315A (en) * | 1970-07-31 | 1974-01-01 | Alusuisse | Method and apparatus for producing a stepped rim on a seamless can body |
| US3951083A (en) * | 1973-11-21 | 1976-04-20 | Km-Engineering Ag | Device for forming a smooth, i.e. in particular a crease- and undulation-free inwards convex flange-bearing edge-groove or -corrugation onto the open end of a metal hollow body or container formed in a press |
| CN1114921A (en) * | 1994-07-14 | 1996-01-17 | 罗纬 | Pure aluminum pop-top can stretching process and special equipment |
| US20140328649A1 (en) * | 2005-03-01 | 2014-11-06 | Crown Packaging Technology, Inc. | Packaging Can and Method and Apparatus for Its Manufacture |
| CN104144755A (en) * | 2011-12-30 | 2014-11-12 | 可口可乐公司 | System and method for forming a metal beverage container using pressure molding |
-
2014
- 2014-10-31 CN CN201410604452.0A patent/CN104858335A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3503239A (en) * | 1966-06-27 | 1970-03-31 | Continental Can Co | Rod-insert spin flanging head |
| US3782315A (en) * | 1970-07-31 | 1974-01-01 | Alusuisse | Method and apparatus for producing a stepped rim on a seamless can body |
| US3951083A (en) * | 1973-11-21 | 1976-04-20 | Km-Engineering Ag | Device for forming a smooth, i.e. in particular a crease- and undulation-free inwards convex flange-bearing edge-groove or -corrugation onto the open end of a metal hollow body or container formed in a press |
| CN1114921A (en) * | 1994-07-14 | 1996-01-17 | 罗纬 | Pure aluminum pop-top can stretching process and special equipment |
| US20140328649A1 (en) * | 2005-03-01 | 2014-11-06 | Crown Packaging Technology, Inc. | Packaging Can and Method and Apparatus for Its Manufacture |
| CN104144755A (en) * | 2011-12-30 | 2014-11-12 | 可口可乐公司 | System and method for forming a metal beverage container using pressure molding |
Non-Patent Citations (1)
| Title |
|---|
| 钟永诚: "《印刷之术》", 31 October 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127267A (en) * | 2015-10-09 | 2015-12-09 | 黎泽棉 | Drawing forming processing method of tinplate two-piece can, forming die and product thereof |
| CN106628608A (en) * | 2016-12-28 | 2017-05-10 | 广州卓迅包装机械有限公司 | Easy-to-tear can for film covering foods |
| US11008146B2 (en) | 2016-12-28 | 2021-05-18 | Guangzhou Jorson Food Technology Co., Ltd. | Easy-peel laminated food can |
| CN109335196A (en) * | 2018-12-14 | 2019-02-15 | 重庆友鹏包装制品有限公司 | F304# iron/aluminium expands the rectangular two-piece can of neck taper drawing pork luncheon meat and production technology |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |