CN212401892U - Large-opening food packaging tin capable of being sealed after being opened - Google Patents
Large-opening food packaging tin capable of being sealed after being opened Download PDFInfo
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- CN212401892U CN212401892U CN202020117124.9U CN202020117124U CN212401892U CN 212401892 U CN212401892 U CN 212401892U CN 202020117124 U CN202020117124 U CN 202020117124U CN 212401892 U CN212401892 U CN 212401892U
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- opening
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- sealing ring
- food packaging
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Abstract
The utility model relates to a food packaging tin. The packaging can continuously keep the sealing connection between the can cover and the can body after the cover is opened so as to keep the quality and the flavor of food in the can. The technical scheme is as follows: a large-opening food packaging can capable of being sealed after being opened comprises a can body and a can cover, wherein the can body is provided with an opening at the top end, the can cover is connected to the opening part in an openable and closable manner through a thread structure, and the opening is formed by enclosing the opening edge at the top end of the wall part of the can body; the method is characterized in that: a circle of sealing ring is prepared on the inner end face of the tank cover, and the tank cover is formed by one-time injection molding of the sealing ring and a double-color injection molding process; this sealing washer corresponds to the opening border of the jar body and supports with opening border when the cover lid is tight and compress tightly to the inside and outside circulation of air of isolated jar body.
Description
Technical Field
The utility model relates to a food packaging tin, especially the big-mouth food packaging tin that still can seal after uncapping.
Background
With the continuous improvement of the life quality of people, large-mouth canned foods made of various transparent materials enter thousands of households. However, most of the prior large-mouth food cans only keep a sealed state before opening the cover, but have no sealing measures after the use of opening the cover, so that the taste is influenced when the food cans are continuously eaten. For example, after a part of canned pecan nuts popular with people is eaten after being opened, the rest nuts are tightly covered on the can cover, and the phenomenon that the rest nuts in the rest can are easily affected with moisture, go bad or even go bad is caused because the sealing degree of the can cover is not enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned background art not enough, provide a big mouthful of food package jar that still can seal after uncapping, this packing jar should be able to continue to keep the sealing connection of cover and jar body after uncapping to keep the quality and the flavor of interior food of jar.
The utility model provides a following technical scheme:
a large-opening food packaging can capable of being sealed after being opened comprises a can body and a can cover, wherein the can body is provided with an opening at the top end, the can cover is connected to the opening part in an openable and closable manner through a thread structure, and the opening is formed by enclosing the opening edge at the top end of the wall part of the can body; the method is characterized in that: a circle of sealing ring is prepared on the inner end face of the tank cover, and the tank cover is formed by one-time injection molding of the sealing ring and a double-color injection molding process; this sealing washer corresponds to the opening border of the jar body and supports with opening border when the cover lid is tight and compress tightly to the inside and outside circulation of air of isolated jar body.
The width of the sealing ring is 2-10mm, and the thickness of the sealing ring is 2-5 mm.
The sealing ring is made of TPU, TPE or TPR.
The utility model has the advantages that:
because a circle of sealing ring corresponding to the opening edge of the tank body is prepared on the inner end surface of the tank cover. After a part of food is eaten after the cover is opened and the cover is screwed down again, the space in the can be effectively isolated from the outside, and the rest part of food can still keep the original quality and flavor in the can, so that the food is not easy to be affected with damp and go bad; is popular with enterprises and consumers.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the middle tank of the present invention.
Fig. 3 is a schematic view of the tank cover of the present invention.
Fig. 4 is a schematic perspective view of a can lid of the present invention.
Detailed Description
The following further description is made with reference to the embodiments shown in the drawings.
The food packaging tin which is continuously kept sealed after the cover is opened and shown in the attached drawing comprises a tin body 1 with an opening at the top end and a tin cover 2 capable of covering the opening part in an opening and closing mode through a thread structure (consisting of an external thread 1-1 at the top of the tin body and an internal thread 2-1 which is positioned on the inner circumferential surface of the tin cover and matched with the external thread), wherein the opening is formed by enclosing an opening edge 1-2 positioned at the top end of the wall part of the tin body.
The structure is similar to the existing food packaging tin.
A disposable sealed film cover (the film cover is omitted in the figure) is adhered to the opening part of the food packaging tin; therefore, the packaged food can be isolated from the outside and is not affected by the outside air. However, after the cover is opened, the film cover is torn off, and a sealing structure is lacked between the can cover and the can body; although the antistaling agent for oxygen absorption is generally placed in the tank, the antistaling agent can be maintained only for a short time; the preservation effect can not be exerted for a long time.
Therefore, the utility model is improved in that a circle of sealing ring 3 is prepared on the inner end surface of the tank cover; this sealing washer corresponds to the opening border of the jar body and supports with opening border when the cover lid is tight and compress tightly to the inside and outside circulation of air of isolated jar body.
Preferably, the width of the sealing ring is 2-10mm, and the thickness of the sealing ring is 2-5 mm.
The tank body and the tank cover are made of PE materials; the sealing ring is made of thermoplastic polyurethane elastomer (TPU), thermoplastic elastomer (TPE, TPR) or other materials, and the tank cover and the sealing ring are subjected to one-time injection molding through a two-color injection molding process.
The principle of the utility model is that: when the internal thread of the tank cover is matched and screwed with the external thread at the top of the tank body, the sealing ring bonded on the inner end face of the tank cover is pressed on the opening edge of the tank body, so that the space in the tank body is isolated from the outside, and the aim of sealing is fulfilled.
Claims (3)
1. A large-opening food packaging can capable of being sealed after being opened comprises a can body (1) with an opening at the top end and a can cover (2) connected to the opening part in an openable and closable manner through a thread structure, wherein the opening is formed by enclosing an opening edge (1-2) positioned at the top end of the wall part of the can body; the method is characterized in that: a circle of sealing ring (3) is prepared on the inner end face of the tank cover, and the tank cover is formed by one-time injection molding of the sealing ring and a double-color injection molding process; this sealing washer corresponds to the opening border of the jar body and supports with opening border when the cover lid is tight and compress tightly to the inside and outside circulation of air of isolated jar body.
2. The open-top large-mouth food packaging can capable of being sealed after being opened according to claim 1, characterized in that: the width of the sealing ring is 2-10mm, and the thickness of the sealing ring is 2-5 mm.
3. The open-top large-mouth food packaging can which can be sealed after opening the lid as claimed in claim 2, wherein: the sealing ring is made of TPU, TPE or TPR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117124.9U CN212401892U (en) | 2020-01-19 | 2020-01-19 | Large-opening food packaging tin capable of being sealed after being opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117124.9U CN212401892U (en) | 2020-01-19 | 2020-01-19 | Large-opening food packaging tin capable of being sealed after being opened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212401892U true CN212401892U (en) | 2021-01-26 |
Family
ID=74401323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020117124.9U Active CN212401892U (en) | 2020-01-19 | 2020-01-19 | Large-opening food packaging tin capable of being sealed after being opened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212401892U (en) |
-
2020
- 2020-01-19 CN CN202020117124.9U patent/CN212401892U/en active Active
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| GR01 | Patent grant | ||
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