CN203127365U - Vacuum seal slide fastener strip - Google Patents
Vacuum seal slide fastener strip Download PDFInfo
- Publication number
- CN203127365U CN203127365U CN 201220496896 CN201220496896U CN203127365U CN 203127365 U CN203127365 U CN 203127365U CN 201220496896 CN201220496896 CN 201220496896 CN 201220496896 U CN201220496896 U CN 201220496896U CN 203127365 U CN203127365 U CN 203127365U
- Authority
- CN
- China
- Prior art keywords
- slide fastener
- zip strip
- fastener strip
- strip
- vacuum seal
- 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 belongs to the technical field of vacuum package of plastic bags, and aims to provide a vacuum seal slide fastener strip. The vacuum seal slide fastener strip improves quality of products, and greatly improves a vacuum seal effect. The vacuum seal slide fastener strip comprises an upper slide fastener strip and a lower slide fastener strip, wherein the upper slide fastener strip is provided with a female buckle, the lower slide fastener strip is provided with a male buckle, the upper slide fastener strip and the lower slide fastener strip are provided with at least a set of slide fastener buckles, and an upper slide fastener piece and a lower slide fastener piece are buckled through the male buckle and the female buckle to constitute the seal slide fastener strip. The strips and the buckles of the seal slide fastener strip are made of different materials, the strip and the buckle of at least one of the upper piece and the lower piece of the seal slide fastener strip are different in color, and folding resistant performance and vacuum seal performance of the seal slide fastener strip are improved by changing elasticity and self adhesive seal performance of the slide fastener buckles. Design of resistance-reducing lines of the slide fastener strip reduces resistance during bag manufacturing, and improves the yield of bag manufacturing.
Description
Technical field
The utility model belongs to the plastic bag vacuum packing technical field, relates in particular to a kind of vacuum bag self-adhesion pressure-sealing zipper bar.
Background technology
Vacuum bag pressure-sealing zipper bar uses in vacuum-packed field, especially a large amount of sealings of using in large-scale vacuum bag (compressed bag); The bar of existing pressure-sealing zipper bar and button adopt same material to make, and ordinary priority with high smooth material reducing the friction drag in the bag process, the bag back precipitate of heating is many, the bag template needs often cleaning; The appearance of the position precipitate of button directly causes the vacuum zip strip to be leaked gas slowly; Large-scale vacuum bag (compressed bag) packing need be folded into less shape, after the slide fastener doubling, because existing zip strip pin thread, and nonelastic improvement composition in the box, when using in customer's hand, the slide fastener fold position is out of shape, and makes really vacuum; Existing vacuum zip strip is subjected to the influence of various factors in extrusion, even the variation of zip strip size in rational dimension limit makes the zip strip pin thread produce the gap for female mouthful when cooperating, cause degree of vacuum not good.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind of vacuum seal zip strip, has promoted product quality, has improved the vacuum seal effect greatly.
In order to address the above problem, the utility model is achieved through the following technical solutions:
Vacuum seal zip strip of the present utility model, comprise the last zip strip of being with box and the following zip strip of being with pin thread, it is characterized in that: described going up between zip strip and the following zip strip is provided with at least one group of pressure-sealing zipper bar, described pressure-sealing zipper bar is by the bar of band pin thread and is with the bar of box to lump together, and in last zip strip or the following slide fastener, have at least the bar of a slice and button to be different colours.
Further, the color between described pin thread and box and last zip strip and the following zip strip is inequality.
Further, the inboard of last zip strip and following zip strip falls the resistance line along what the direction of slide fastener was provided with projection more than 3 or 3, and protruding end face is pointed, circle or plane lines.
Further, directly extrude the pressure-sensitive adhesive layer of a band self-adhesion in the position of the pin thread of upper and lower zip strip and box, zip strip reaches the performance of sealing by self-adhesion up and down, does not have button.
Compared with prior art, the beneficial effects of the utility model are: the bar in the upper and lower zip strip of pressure-sealing zipper bar of the present utility model above at least one and button different colours fasten directly perceived; Resistance when falling the design reduction bag that hinders line on the zip strip improves the bag yield rate; By in the prescription of button, adding elastic body, improve the zip strip folding quality; Box adds tackifier, make the pin thread box in conjunction with the time produce the self-adhesion effect, effect is better under the negative pressure state, has remedied in the slide fastener production process gas leakage situation slowly that rational dimension limit causes; And the appearance of not having button self-adhesion zip strip has changed present pressure-sealing zipper bar fully and must rely on the pin thread box in conjunction with could seal, complex manufacturing, and slide fastener is the situation of gas leakage easily, and only needing easily to fit, perfection seals with regard to energy.
Description of drawings
Fig. 1 is for implementing single button self-adhesion pressure-sealing zipper section-drawing in the 1 vacuum seal zip strip;
Fig. 2 is for implementing two button self-adhesion pressure-sealing zipper section-drawings in the 2 vacuum seal zip strip;
Fig. 3 does not have button self-adhesion pressure-sealing zipper bar section-drawing for implementing 3.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Implement 1:
As shown in Figure 1, a kind of vacuum seal zip strip, comprise the last zip strip 11 of being with box 2 and the following zip strip 12 of being with pin thread 3, described going up between zip strip 11 and the following zip strip 12 is provided with at least one group of pressure-sealing zipper bar, described pressure-sealing zipper bar is by the bar of band pin thread and is with the bar of box to lump together, and in last zip strip or the following slide fastener, have at least the bar of a slice and button to be different colours.
Described pin thread and box and the color that goes up between zip strip and the following zip strip are inequality.
The inboard of last zip strip and following zip strip falls the resistance line along what the direction of slide fastener was provided with projection 4 more than 3 or 3, and protruding 4 end face is pointed, circle or plane lines.
Add elastomer resin in pin thread and the box; Be added with tackifying resin and hot-fusible pressure-sensitive adhesive in the box.
Implement 2:
Difference from Example 1 is: be provided with single group slide fastener between last zip strip 11 and following zip strip 12.
Implement 3:
Difference from Example 1 is: directly extrude the pressure-sensitive adhesive layer of a band self-adhesion in the position of the pin thread of upper and lower zip strip and box, zip strip reaches the performance of sealing by self-adhesion up and down, does not have button.Inboard band self-adhesive layer 21 in the middle of the zip strip, self-adhesive layer width 3-15mm, thickness 0.04-0.1mm, self-adhesive layer 21 can be divided into the 1-3 bar, and the both sides of self-adhesive layer 21 are provided with protection projection 23, between self-adhesive layer 21 and the protection projection 23 air discharge duct 22 are arranged.
The low smooth property ldpe resin of zip strip 11,12 preferential selections adds the lldpe modification up and down; The self-adhesive layer 21 that extrude the position of zip strip 11,12 inboard former buttons, material are preferentially selected not have slip agent opening agent ldpe and are added elastic body and tackifying resin and hot-fusible pressure-sensitive adhesive.
Become the vacuum seal zip strip that autohension does not have button by zip strip up and down by bonding again.
Because bar and button adopt different material (and color) to improve the low heat sealability of slide fastener and film, reduced the precipitate in the slide fastener, the interpolation of elastomer resin makes the elasticity of button increase, solve the distortion of large-scale compressed bag FOLD AND PACK rear zipper and caused the problem of leaking gas, the interpolation in box of tackifying resin and hot-fusible pressure-sensitive adhesive has increased the self-adhesion sealing effectiveness, under suction function, performance is more excellent; Pin thread is conducive to improve the destruction that bag point scalds the zipper that causes with above box is distributed in different bars; The resistance lines that fall of bar inner bulge make that the friction of slide fastener and template reduces greatly in the bag process, have reduced the contraction of slide fastener position, have improved the bag yield rate.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (4)
1. vacuum seal zip strip, comprise the last zip strip of being with box and the following zip strip of being with pin thread, it is characterized in that: described going up between zip strip and the following zip strip is provided with at least one group of pressure-sealing zipper bar, described pressure-sealing zipper bar is by the bar of band pin thread and is with the bar of box to lump together, and in last zip strip or the following slide fastener, have at least the bar of a slice and button to be different colours.
2. a kind of vacuum seal zip strip according to claim 1 is characterized in that: described pin thread and box and the color that goes up between zip strip and the following zip strip are inequality.
3. a kind of vacuum seal zip strip according to claim 1 is characterized in that: the inboard of going up zip strip and following zip strip falls the resistance line along what the direction of slide fastener was provided with projection more than 3 or 3, and protruding end face is pointed, circle or plane lines.
4. according to claim 1,2 or 3 described a kind of vacuum seal zip strip, it is characterized in that: directly extrude the pressure-sensitive adhesive layer of a band self-adhesion in the position of the pin thread of upper and lower zip strip and box, zip strip reaches the performance of sealing by self-adhesion up and down, does not have button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496896 CN203127365U (en) | 2012-09-27 | 2012-09-27 | Vacuum seal slide fastener strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496896 CN203127365U (en) | 2012-09-27 | 2012-09-27 | Vacuum seal slide fastener strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203127365U true CN203127365U (en) | 2013-08-14 |
Family
ID=48935368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496896 Expired - Fee Related CN203127365U (en) | 2012-09-27 | 2012-09-27 | Vacuum seal slide fastener strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203127365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824577A (en) * | 2020-07-20 | 2020-10-27 | 应急管理部沈阳消防研究所 | High resistant separates volatile material evidence seal appearance bag of self sealss |
-
2012
- 2012-09-27 CN CN 201220496896 patent/CN203127365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824577A (en) * | 2020-07-20 | 2020-10-27 | 应急管理部沈阳消防研究所 | High resistant separates volatile material evidence seal appearance bag of self sealss |
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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 |
Granted publication date: 20130814 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |