CN204197566U - A kind of twist-off cap bead structure - Google Patents
A kind of twist-off cap bead structure Download PDFInfo
- Publication number
- CN204197566U CN204197566U CN201420662534.6U CN201420662534U CN204197566U CN 204197566 U CN204197566 U CN 204197566U CN 201420662534 U CN201420662534 U CN 201420662534U CN 204197566 U CN204197566 U CN 204197566U
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- CN
- China
- Prior art keywords
- extension
- bead
- lid
- twist
- bead segments
- 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 - Fee Related
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Abstract
The utility model discloses a kind of twist-off cap bead structure, comprise that be connected with lid, bending bead segments, it is characterized in that, also comprise the extension be connected with described bead segments end, between described extension and lid and between extension and the inner peripheral surface of bead segments, all have spacing.Advantage of the present utility model: add extension in the end of bead segments, and extension extends towards the inner ring of bead segments, crimping place is made to be difficult to touch air, and during squeese pressure when lid is subject to capping or turns on, crimping place can not contact with lid inside face, also would not get rusty because of scuffing, improve yield rate and product design.
Description
Technical field
The utility model relates to packaging container of metal technical field, is specifically related to a kind of twist-off cap bead structure.
Background technology
Twist-off cap, has another name called easy-open end, and due to low cost, good airproof performance, can high temperature resistant sterilizing, enjoys the favor of food, pharmaceuticals industry.
In the manufacture craft of twist-off cap in process, be generally divided into the operations such as punching press, shaping, injecting glue, oven dry.And in current forming process, lid limit crimping is general more shallow, as shown in Figure 1, such production and processing difficulty is lower, but crimping easily contacts with air, after the extruding of bead segments 2 through capping or when turning on, crimping place easily contacts with lid 1 inside face, thus scratches twist-off cap inside face, causes and gets rusty.Such as application number is section patent of disclosed in 201220594698.0: a kind of circle lid structure of metal can, described metal can comprises tank body, described tank body top has opening, described circle lid structure matches with described opening, described circle lid structure comprises the circle body be connected with described opening, the lid be connected with described circle body, described opening is sealed with aluminium foil layer or plastics inner ring, described aluminium foil layer or plastics inner ring can hide whole described opening, described circle body is connected to the upper opening portion being sealed with described aluminium foil layer or plastics inner ring.Crimping position, Qi Gai limit is just more shallow, easily produces scuffing problem.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, provide a kind of lid be squeezed power time can not, the twist-off cap bead structure that bead segments can not contact with lid, to prevent from getting rusty because of scuffing.
In order to reach the purpose of this utility model, technical scheme is as follows:
A kind of twist-off cap bead structure, comprises that be connected with lid, bending bead segments, it is characterized in that, also comprise the extension be connected with described bead segments end,
All spacing is had between described extension and lid and between extension and the inner peripheral surface of bead segments.
As preferred technical scheme, described extension is arc-shaped structure.
As preferred technical scheme, described extension radius of curvature is greater than the radius of curvature of described bead segments.
As preferred technical scheme, described extension extends towards the inner ring of described bead segments.
As preferred technical scheme, the end of described extension is towards the direction, the center of circle of described bead segments.
The beneficial effect that the utility model has:
Extension is added in the end of bead segments, and extension can extend towards the inner ring of bead segments, crimping place is made to be difficult to touch air, and during squeese pressure when lid is subject to capping or turns on, crimping place can not contact with lid inside face, also would not get rusty because of scuffing, improve yield rate and product design.
Extension has larger radius of curvature than bead segments, makes, under the prerequisite ensureing crimping effect, bead structure also can be made to have enough intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing twist-off cap bead structure;
Fig. 2 is the structural representation of the utility model embodiment 1 twist-off cap bead structure;
Fig. 3 is the structural representation of the utility model embodiment 2 twist-off cap bead structure.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model is not only confined to embodiment.
Shown in composition graphs 1 and Fig. 2, a kind of twist-off cap bead structure, comprises and being connected and bending bead segments 2 with lid 1, and the extension 3 be connected with bead segments 2 end.
All spacing is had between extension 3 and lid 1 and between the inner peripheral surface of extension 3 and bead segments 2.
Extension 3 is arc-shaped structure, extension 3 can have identical radius of curvature with bead segments 2, or less radius of curvature, or larger radius of curvature, preferably, the radius of curvature of extension 3 is greater than the radius of curvature of bead segments 2, makes, under the prerequisite ensureing crimping effect, bead structure also can be made to have enough intensity.
Extension 3 extends towards the inner ring of bead segments 2, and as the embodiment 1 of this practicality, and the end of extension 3 is towards the direction, the center of circle of bead segments 2.And extension 3 also can extend towards the outer ring of bead segments 2, as shown in Figure 3, as embodiment 2 of the present utility model.Normally, the inner ring of bead segments 2 refers to the inside of the circle formed just as the bead segments 2 of circle, and the outer ring of bead segments 2 refers to the outside of this circle.
Last it is noted that above embodiment only in order to illustrate the utility model and and technical scheme described by unrestricted the utility model, therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment, but, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.
Claims (5)
1. a twist-off cap bead structure, comprises that be connected with lid (1), bending bead segments (2), it is characterized in that, also comprise the extension (3) be connected with described bead segments (2) end,
All spacing is had between described extension (3) and lid (1) and between the inner peripheral surface of extension (3) and bead segments (2).
2. twist-off cap bead structure according to claim 1, is characterized in that, described extension (3) is arc-shaped structure.
3. twist-off cap bead structure according to claim 2, is characterized in that, described extension (3) radius of curvature is greater than the radius of curvature of described bead segments (2).
4. the twist-off cap bead structure according to claim 1 or 3, is characterized in that, described extension (3) extends towards the inner ring of described bead segments (2).
5. twist-off cap bead structure according to claim 4, is characterized in that, the end of described extension (3) is towards the direction, the center of circle of described bead segments (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662534.6U CN204197566U (en) | 2014-11-06 | 2014-11-06 | A kind of twist-off cap bead structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662534.6U CN204197566U (en) | 2014-11-06 | 2014-11-06 | A kind of twist-off cap bead structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204197566U true CN204197566U (en) | 2015-03-11 |
Family
ID=52655552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420662534.6U Expired - Fee Related CN204197566U (en) | 2014-11-06 | 2014-11-06 | A kind of twist-off cap bead structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204197566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165048A (en) * | 2018-12-04 | 2021-07-23 | 环宇制罐株式会社 | Tank body |
-
2014
- 2014-11-06 CN CN201420662534.6U patent/CN204197566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165048A (en) * | 2018-12-04 | 2021-07-23 | 环宇制罐株式会社 | Tank body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20191106 |