WO2014059589A1

WO2014059589A1 - Anti-leakage and fresh-keeping sealed bag, matched slider and interlocking strips thereof

Info

Publication number: WO2014059589A1
Application number: PCT/CN2012/083003
Authority: WO
Inventors: 毛海玉
Original assignee: 泰州億达彩印包装有限公司
Priority date: 2012-10-16
Filing date: 2012-10-16
Publication date: 2014-04-24

Abstract

A slider of an anti-leakage and fresh-keeping sealed bag, used for clipping the interlocking strips of the sealed bag, includes a slider body (110), a first side wall (121) and an opposite second side wall (122), the first side wall (121) and the second side wall (122) forming a guiding groove (130) via the connection of the slider body (110), flanges (141, 142) provided at the end of the first side wall and the second side wall, a position limiting member (150), a wedge guiding block (160) with an acuate part and an obtuse part for separating and closing the interlocking strips. Interlocking strips matched with the slider and a sealed bag using the slider and the interlocking strips are also disclosed. The structures of the interlocking strips and the slider are improved according to the regulation of contraction proportion of the plastic product at different temperatures, therefore, the engagement is much closer to achieve an optimal sealing performance, and the fixing speed for the slider of the sealed bag can be greatly enhanced.

Description

Anti-leakage fresh-keeping sealed bag and its special slider and buckle

The invention relates to the field of sealed packaging technology, and in particular to an anti-leakage fresh-keeping sealed bag and a special slider and a buckle thereof. Background technique

Today's various sealed bags equipped with plastic zippers are widely used in product packaging, such as products used in various fields such as food, medicine, and electronics. Regarding the structure of the sealed zipper bag, a variety of sliding zipper bags and sliding structures for opening and closing the plastic zipper have been proposed by those skilled in the art to date. Generally, in the prior art, a type of hook groove and a convex hook groove are respectively formed on two films of a plastic bag, and when the concave hook groove and the convex hook groove are kneaded by the sliding structure, they are engaged with each other, thereby producing a closing effect. .

However, as the variety of products increases the demand for packaging, the requirements for the airtightness of sealed zipper plastic packaging are also increasing. The commonly used sliders include external guides and internal guides, and internal The guide member is inserted between the male hook groove and the type hook groove, and the convex hook groove/EJ type hook groove is disengaged, and the outer guide member clamps the convex hook groove/EJ type hook groove therein, so that the convex hook Slot/EJ type hook groove engagement. Since in the slider in the conventional structure, the inner guide is inserted between the hooks of the zipper, even if the zipper is completely tightened, the contents of the bag are leaked from between the hook groove and the inner guide inserted between the hook grooves. Therefore, the above-described sealed zipper cannot be used for applications requiring a hermetic seal, except for applications that do not require a hermetic seal such as ordinary goods.

In addition, in the prior art, the installation of the sealed zipper bag is relatively cumbersome. When the sliding block is fixed to the sealing zipper strip, the hardness of the zipper strip and the opening of the sliding block are difficult to match, thereby fixing the sliding block to the sealing zipper. It is difficult to strip, which affects the efficiency of assembly and reduces production during the production process. Summary of the invention In view of this, the present invention is directed to solving the prior art to address the deficiencies of the prior art. The invention provides a slider for a leakage-proof fresh-keeping sealed bag, and a buckle for the buckle sealing bag, comprising:

Slider body

The first side wall and the second side wall opposite thereto, the first side wall and the second side wall are connected by the slider body to form a guiding groove;

a flange disposed at the ends of the first side wall and the second side wall;

a limiting member disposed in the guiding slot;

The guiding block is disposed in the guiding groove and has a spacing from the limiting member, the guiding block is wedge-shaped, and has a tip portion and a blunt portion for separately fastening the buckle.

Further preferably, the limiting member includes a first limiting block and a second limiting block alongside the same, and a gap is formed between the first limiting block and the second limiting block, and the tip is positive a gap between the first limiting block and the second limiting block.

Further preferably, the slider is made of a mixture of high density polyethylene and linear low density polyethylene.

The patent also discloses a buckle for a leakage-proof fresh-keeping sealed bag, which is used for fastening a sealed bag, including:

a rib, comprising a first rib and a second rib;

The first rib has a first finger hook on one side and a first rib on the other side;

The second rib has a second finger hook on one side thereof, the second finger hook is matched with the first finger hook, and the other side of the second rib has a second rib;

The first rib rim is provided with a first sealing flange for secondary sealing, and the second rib rim is correspondingly provided with a second sealing flange that is sealingly engaged with the first sealing flange.

Further preferably, the number of the first finger hook and the second finger hook is two or more. Further preferably, the rib fastener is made of a low density polyethylene material.

The patent also discloses an anti-leakage fresh-keeping sealed bag, comprising:

a bag body having an opening;

a fastener as previously described attached to the opening of the bag body;

The slider as previously described is snapped onto the buckle for separating or tightening the buckle.

The sealing step of the sealing bag slider and the rib buckle in the invention is: the first rib and the second rib of the rib buckle The strip is pinched and fastened; the rib buckle is inserted along the gap between the first limiting block and the second limiting block of the slider; the rib buckle touches the guiding block, and the rib buckle is separated by the guiding block; The rim and the rib of the rib buckle are engaged and fixed.

In this patent, the high-density polyethylene material is used to make the slider to have a certain strength and hardness, the low-density polyethylene material is used to make the buckle, and the low-density flexible material is used to make the bag body, so that the structural strength and flexibility of different parts of the bag are made. Can achieve the best physical performance.

The anti-leakage fresh-keeping sealed bag of the patent is provided with a first finger hook and a second finger hook sealingly matched with the same, which constitute a first seal, in the first rib and the second rib The edges are provided with a first sealing flange and a second sealing flange, respectively, which form a second seal. In this way, the two sealing structures are adopted, so that the product of the patent has a strong sealing effect. In the prior art, the water leakage of the sealing bag is generally 5-10 drops in an inverted state after being filled with water, and the patented product can be No water droplets are dripping for more than 24 hours.

The slider of the patent is provided with a wedge-shaped guiding block, and the wedge-shaped guiding block has a tip portion and a blunt portion for separating the tightened ribs, so that the worker can easily guide the wedge type when assembling the slider and the buckle. The block is inserted into the rib buckle, thereby overcoming the problem of time-consuming and laborious and large loss in installing the slider of the sealed bag product in the prior art. The working efficiency of the worker installing the patented product can reach about 15,000 per capita installation of the slider for 8 hours, and the efficiency is higher than that of the previous year. Increase by 375% with almost zero loss.

In summary, the slider, the buckle and the sealing bag provided with the slider and the buckle are improved according to the contraction ratio law of the plastic product at different temperatures, and the structure of the buckle and the slider is improved. It promotes the tighter consistency, guarantees the best sealing performance, and greatly improves the installation speed of the sealed bag slider. DRAWINGS

1 is a perspective view showing a three-dimensional structure of a buckle slider for a snap-sealing bag according to an embodiment of the present invention;

2 is a bottom view of a rib fastener structure for a snap-sealing bag according to an embodiment of the present invention; FIG. 3 is a schematic structural view of a rib fastener of a sealed bag according to an embodiment of the present invention;

4 is a flow chart showing a method of installing a sealed bag slider and a buckle according to an embodiment of the present invention. detailed description In order to make the objects and features of the present invention more comprehensible, the specific embodiments of the present invention are further described with reference to the accompanying drawings.

Referring to FIG. 1 and FIG. 2, it is a schematic structural view of a buckle slider for a snap-sealing bag according to an embodiment of the present invention.

The slider, the buckle for the buckle sealing bag, comprises: a body 110; a first side wall 121 and a second side wall 122 opposite thereto, connected by the body 110 to form a guiding groove 130; The 142 is disposed inwardly on the first sidewall 121 and the second sidewall 122. The limiting member 150 is disposed in the guiding slot 130. The guiding block 160 is disposed in the guiding slot 130. And having a spacing between the limiting member 150.

In the embodiment of the present invention, the limiting component 150 includes a first limiting block 151 and a second limiting block 152 along with the first limiting block 151 and the second limiting block 152. With a gap. Insert the kneaded ribs along the spacing to fix the gussets tightly, determine the guiding direction of the ribs and increase the strength of the gussets.

In the embodiment of the present invention, the guiding block 160 has a wedge shape with a tip portion and a blunt portion, and the tip portion faces a gap between the first limiting block 151 and the second limiting block 152. When the slider is snapped onto the buckle, the fastened buckle is inserted along the gap, and the buckle is fixedly fastened by the gap between the first limiting block 151 and the second limiting block 152. And advancing in the direction of the gap, the joint of the buckle is in contact with the tip of the wedge-shaped guiding block 160. Since the pressure of the tip is large, the tightened buckle is separated, and along the tip of the guiding block 160 The path of the blunt portion is opened, and the side walls 121 and 122 of the slider and the flanges 141 and 142 disposed at the ends of the side walls 121 and 122 face downwardly, and the ribs are separated and tightly buckled. Within the block. When the sealing bag with the slider and the rib fastener provided in the embodiment is opened, the guide block 160 in the sliding slider is slid by sliding the slider, and the rib is opened by the tip of the guiding block 160. When the sealed bag is closed, the sliding rib is fastened in the guiding groove 130 of the sliding block by sliding the sliding block, respectively sliding along the blunt portion of the guiding block 160 in the sliding sliding block to the tip portion, through the first limit of the limiting member The gap between the block 151 and the second limiting block 152 is reinforced by the side walls 121, 122 of the slider and the flanges 141, 142 disposed inwardly of the ends of the side walls 121, 122. The buckle is fixedly engaged to achieve the purpose of closing the door to seal the bag.

In the embodiment of the present invention, the slider is made of a commercially available material with high density and high strength, and the strength thereof is higher than that of the buckle and the bag of the sealed bag, thereby realizing the slider fastening buckle buckle. effect. In this embodiment, the slider is made of a mixture of high density polyethylene and linear low density polyethylene. The sealing bag slider provided by the embodiment of the invention can conveniently realize opening and closing of the sealing bag, and can conveniently realize the installation of the sliding block.

Referring to FIG. 3, it is a schematic structural view of a buckle of a sealed bag according to an embodiment of the present invention. a buckle for fastening a sealed bag, comprising: a rib 200 comprising a first rib 210 and a second rib 220; the first rib 210 has a first finger 211 on one side and the other side The first rib 212 has a second finger hook 221 on one side thereof, the second finger hook 221 is matched with the first finger hook 211, and the other side of the second rib has Second rib 222. In this embodiment, the slider of the sealed bag is fastened on the rib of the rib (ie, the first rib 212 and the second rib 222), and is fixed and slid along the track formed by the rib, thereby utilizing the sliding manner. Open or close the sealed bag.

In the embodiment of the present invention, the number of the first finger hook 211 and the second finger hook 221 is two or more.

For example, the first finger hook 211 may be a plurality of convex hooks, such as three, and the corresponding second finger hooks 221 are a plurality of concave hooks, such as three, so that when the ribs are closed, the convex hooks and The female hooks are engaged with each other, and the engaging hooks are fastened to achieve the sealing effect.

In the embodiment of the present invention, the first finger hook 211 may also be a plurality of finger hooks that are bent upward, and the corresponding second finger hooks 221 are bent downward by the same number of finger hooks. When they are engaged with each other, the sealing effect can be achieved.

In addition, in the embodiment of the present invention, the first finger hook 211 may include opposite finger hooks to form a hook groove, and the corresponding finger hook of the second finger hook 221 can be inserted into the hook The hook groove is used to achieve the sealing effect.

The present invention is not limited thereto, and any of the snap finger hook structures capable of achieving the sealing effect of the present invention are included in the scope of the present invention.

In the embodiment of the present invention, the rib 200 is provided with a sealing flange at the edge. Specifically, the first rib 210 is provided with a first sealing flange 231 for secondary sealing, and the second rib rim is correspondingly provided with a second sealing convex that is sealingly engaged with the first sealing flange 231. The edge 232, by using the first sealing flange 231 and the second sealing flange 232, can achieve a secondary sealing at the edge of the rib 200, preventing the contents of the sealed bag from being between the buckle and the slider during opening and closing Leakage in the gap further improves the performance of the seal.

In the embodiment of the invention, the buckle is made of a neutral hardness material. The neutral hardness material The hard high strength material between the sliders is between the hardness of the flexible material of the bag body. Since the fasteners are required to be deformed during installation, opening or closing, and a certain degree of strength flexibility is required to ensure the structural sealing effect. Therefore, in actual production, it is mainly made of a mixture of low-density polyethylene and ExxonMobil special elastomer vis tamaxx6 ² ^{2 2} materials. The sealing bag comprises: a bag body having an opening; the rib fastener provided in the above embodiment is attached to the opening; the slider provided in the above embodiment is fastened to the rib fastener.

In an embodiment of the invention, the bag body is made of a low density flexible material, such as a flexible plastic film. In the embodiment of the invention, the shrinkage ratio law of the material of the slider, the buckle and the bag body at different temperatures is improved, and the structure of the buckle and the slider is improved, so that the consistency of the fastener is more strict, and the sealing performance is ensured to achieve the best effect. .

Referring to FIG. 4, a flow chart of a method for installing a sealing bag slider and a buckle according to an embodiment of the present invention is shown.

The installation method includes the following steps:

S310 kneads the first rib and the second rib of the buckle;

S320 inserts a buckle along a gap between the first limiting block and the second limiting block of the slider;

The S330 rib fastener touches the guiding block and is separated by the guiding block;

The side flange of the S 340 slider is engaged with the rib of the buckle.

The slider, the buckle and the sealing bag provided in the above embodiments are specifically described as follows. The fastened buckle is inserted along the gap, and the buckle is between the first limiting block 151 and the second limiting block 152. The gap is fixed tightly and advances in the direction of the gap, and the joint of the buckle abuts against the tip of the wedge-shaped guide block 160. Since the pressure of the tip is large, the tightened buckle is separated and along The path from the tip portion to the blunt portion of the guiding block 160 is opened, and the side walls 121 and 122 of the slider and the flanges 141 and 142 disposed at the ends of the side walls 121 and 122 are buckled in the rib. The ribs 212, 222 of the ribs are separated, and the ribs are separated and fastened in the slider.

In the embodiment of the present invention, in view of the problem that the slider is time-consuming and labor-intensive and the loss is large in the prior art, the improved product provided by the embodiment of the present invention has about 15,000 sliders installed per person for 8 hours, and the efficiency is increased by 375%. , and the loss is almost zero, which greatly improves production efficiency and reduces costs.

In summary, the slider, the buckle and the sealed bag with the slider and the buckle are provided by the embodiment of the invention. And its installation method, aiming at the shrinkage ratio law of plastic products at different temperatures, improving the structure of the buckles and the sliders, and promoting the tightness of the joints, ensuring the best sealing performance and greatly improving the sealed bags. The mounting speed of the slider.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and it is possible to make various changes without departing from the spirit and scope of the invention. And the scope of the present invention is defined by the scope of the appended claims.

Claims

claims

1. A slider for leak-proof fresh-keeping sealed bags, and a buckle for buckling sealed bags, which is characterized by including:

Slider body;

A first side wall and an opposite second side wall, the first side wall and the second side wall are connected through the slider body to form a guide groove;

Flange, provided at the ends of the first side wall and the second side wall;

The limiting member is arranged in the guide groove;

The guide block is disposed in the guide groove and has a distance from the limiting member. The guide block is wedge-shaped and has a sharp portion and a blunt portion for separating and closing the buckles.

2. The slider according to claim 1, characterized in that, the limiting member includes a first limiting block and a second limiting block side by side, and the first limiting block and the second limiting block There is a gap between the position blocks, and the tip is facing the gap between the first limiting block and the second limiting block.

3. The slider according to claim 1, characterized in that the slider is made of a mixture of high-density polyethylene and linear low-density polyethylene.

4. A buckle for leak-proof fresh-keeping sealed bags, used to fasten the sealed bags, which is characterized by including:

Ribs, including first ribs and second ribs;

The first rib has a first finger hook on one side and a first convex rib on the other side;

The second rib has a second finger hook on one side, the second finger hook matches the first finger hook, and the second rib has a second convex rib on the other side;

The first rib edge is provided with a first sealing flange for secondary sealing, and the second rib edge is correspondingly provided with a second sealing flange that sealingly cooperates with the first sealing flange.

5. The buckle according to claim 4, characterized in that the number of the first finger hooks and the second finger hooks is two or more.

6. The rib buckle according to claim 5, characterized in that the rib buckle is made of low-density polyethylene material.

7. An anti-leakage fresh-keeping sealed bag, characterized in that it includes: The bag body has an opening;

The buckle according to any one of claims 4 to 6, attached to the opening of the bag body; the slider according to any one of claims 1 to 3, buckled on the buckle for use To separate or close the ribs.