TW500685B - Drawing type plastic bag and its manufacture method - Google Patents

Abstract

Disclosed is a drawing type plastic bag and its manufacture method, wherein a plurality of inter-laminated bags are placed in a box. An end of each bag is an open end and another end is a sealed bottom edge. The bag has opposite side edges connected between the open end and the bottom edge, each comprising a folded portion folding inboard the bag. Two adjacent bags are adhered to one another at a location on an outer surface of the bag opening. The bag bottom edge of each bag is rolled into roll-up portion. The box surface is formed with an opening. As such, drawing of a bag from the box drives the next bag. When the bag is separated from the box, the next bag is stuck at the box opening whereby the leading edge of the next bag is exposed from the box opening to allow a subsequent drawing action when the said bag is detached from the next bag by virtue of external forces.

Description

500685 V. Description of the invention α) Background of the invention: The present invention relates to a removable plastic bag and a method for manufacturing the same, especially a box body. When one bag body is completely pulled out, it will pull the adjacent bag body by traction, and An extractable plastic bag for making the other bag body partly open on the box body for the next extraction and a manufacturing method thereof. Previous skills: The world today is an era in which the chemical industry is booming. Various types of manufactured products derived from plastic raw materials have a wide variety and are closely related to our lives. It has brought many conveniences in human life. With the current 0 kinds of plastic products are constantly being introduced. For example, the widespread use of plastic bags has increased the requirements for their use. In other words, people not only value the quality and appearance of various plastic products, but also the convenience of use. With humanized design, therefore, whether various types of plastic products can provide more convenient and effective services in the future has strictly become one of the important indicators to evaluate its manufacturing technology and product value, and whether it is far ahead of its peers. Due to the continuous development of new plastic products, taking plastic bags as an example, we can often see the entire roll of plastic bags hanging next to the vegetable and fruit department in general supermarkets for customers' free access. In the β mode, the plastic bag is first pulled to an appropriate distance, and then removed along the tear line provided on it. In fact, the plastic bag is not easy to remove, which often makes the customer just pull it. Several bags, and the bag opening is not easy to open, causing great inconvenience in use and waste of resources. This is indeed a clear example of the various types of plastic bag products that cannot meet the humanized design.

500685 V. Description of the invention (2) The outline of the invention is that the plastic bag is opened, and the disadvantages caused by the use of the bag are counted. The two pairs of the other and any two mixtures are not easy to take with each other. The use of the following makes it inconvenient to pull and resources. The inventor passed a long-term noumenon of a removable plastic bag body stacked on top of each other. The bottom end of the sealed bag is a plastic bag. When making each bag body, each bag is taken out from the bag body, and its shortcomings have been tested, but often because the bag mouth is not easy to hit, I finally developed a way to improve Xi, tied at one end to a box body From the opening to the bottom of the bag, the bag is gradually pulled out by glue and curled. The bag body can be rolled up into a box body due to the recess of the half of the bag mouth. The bag mouth body is bent at its part and tied to its bag mouth. One side surface is glued together, and the bottom of the bag body is quilted. Since then, when the one bag system is stuck at the opening, the side edge of the other bag body and the adjacent bag body are each With a facing part, the surface of the box body An opening is provided. When such a bag body can pull and pull another adjacent bag body, the pulling force from the box body and the other opening are exposed on the side of the box body. One eye is adjacent to its central position, and the mouth is located at the edge of the box-shaped opening and the eight-shaped opening end edge is separated from the longitudinal opening body in the horizontal opening bag body for the next pumping. , The opening is formed, and when it is placed, the vertical and horizontal openings are opened away from the horizontal opening. The upper part of the position of the eight-shaped opening is composed of a lateral opening, a longitudinal end that is orthogonal to the opposite opening, and one of the opposite openings. The pocket openings are the positions of the openings. The surface of the box body communicates with each other, and the system is opened in eight shapes.

Page 5 500685 V. Description of the invention (3) After a part of the 9-shaped opening is pulled out, it is then pulled toward the longitudinal opening direction, and at the same time, the adjacent bag body is pulled and pulled up to the adjacent bag body. The upper two concave folds are locked at the longitudinal opening, and then the bag body is released from the adhesion with the other bag body, and continues to move to the transverse opening before being completely pulled out. Out of the box to achieve the purpose of quick extraction and opening the bag mouth at the same time. In order that the review committee can further understand and understand the purpose, shape, structural device features and functions of the present invention, the following examples are illustrated in detail with the illustrations: Detailed description: A removable plastic bag and its For the manufacturing method, please refer to the first and second figures. A stack 2 is installed in a box 1. The stack 2 is formed by a plurality of bag bodies 20 stacked on each other, one end of each of the bag bodies 20. It is an open and openable pocket opening 2 01, and the other end is a sealed pocket bottom 2 02. Each of the two corresponding side edges between the pocket opening 2 1 and the pocket bottom 2 2 is provided with one direction. The concave portions 20 3 bent inside each of the bag bodies 20 and between each of the adjacent bag bodies 20 are bonded to each other by an adhesive 3 at an appropriate position on the surface adjacent to each of the bag mouths 2 01, The bag bottoms 202 are curled toward the bag opening 201 so that the stack 2 forms a curled portion 21 from the bag bottoms 202. In addition, an opening is formed on the surface of the box body 1, and the opening is provided with a A transverse opening 10 corresponding to the curled portion 21 is provided, and an opening orthogonal to the transverse opening 10 is opened and The longitudinal opening 11 communicating with each other, wherein the longitudinal opening 11 is far from one end of the transverse opening 10, is provided with a pull-shaped opening 1 2 corresponding to the bag openings 2 01;

500685 V. Description of the invention (4) Please refer to the second and third figures. In this case, when adjacent, the bag body 20 ′ is pulled out from the mouth-shaped opening 12: body 1 surface :: longitudinally opened. U, pulled toward the lateral opening] Pull another adjacent bag body 20 along the direction until the other bag body 2. 2: Body 20 pull the bow 丨 2 03 'Please refer to the fourth figure, the bag body 20 is locked in the longitudinal opening-concave fold bag body 20 before it is released from the adhesion between the adjacent bag body 20, please refer to 'The place is not, alas, after the bag body 20 has been moved to the lateral opening, it can be pulled out of the box body 1 and the bag mouth 20 of the other bag body 20 can be drawn, and Exposed outside the box body 1 + In the present invention, 'the adhesive 3 after drying off' is formed on the surfaces of the bag bodies 20 to form a thin gel. When the glue system is subjected to an appropriate external force, it will The external force is just equal to the longitudinal opening 丨 holding the concave part 203 of the & body 20 so as to separate the two adjacent bag bodies 20. Please refer to the first, second, and sixth figures for the clothing. The manufacturing method of the extractable plastic bag of the present invention is as follows: First, the bag body 20 is located near the bag mouth 201 by a corona treatment. Machine, after the polarizing treatment, makes its surface become uneven rough surface 2 0 4; the snail 'sprays a drop of 2πm3 cubic adhesive 3, 嗣 on the rough chain surface 204, and sequentially finishes a plurality of The bag bodies 20 in the steps are stacked in a manner that their openings are in the same direction to form a stack body 2; 嗣, one-third of the stack body 2 is bent from the bottom 202 of the bags toward the mouth of the bag to 180 degrees to form a curled portion 21, 嗣, put the stack 2 into the containing space of the box body 500685, the box body 500685 V. Description of the invention (5) 1 has an opening on the surface The opening portion is composed of a lateral opening 10, a longitudinal opening 11 and a flared opening 12. The lateral opening 10 is provided at a position of the box body 1 adjacent to one end edge of the longitudinal opening. 11. It is located at the center of the surface of the box body 1 and is orthogonal to the transverse opening 1 0 and Communicate with each other, and the trumpet-shaped opening 12 is provided at one end of the longitudinal opening 11 away from the lateral opening 10, wherein the bag openings 2 0 1 of the bag bodies 20 are provided in the box body 1 opposite to the horn The position of the opening 12 is shaped like a shape, and the curled part 21 is provided at a position opposite to the transverse opening 10. In this manufacturing method, the bag body 20 can be made in accordance with the following steps: First, a continuous, two-sided, side-inwardly bent plastic mold roll is stretched to an appropriate length; 嗣, in The stretched part of the plastic mold roll is in a proper position, and hot melt is applied by a hot melt machine to form a sealed portion; 嗣, a cutting machine is used between the plastic mold roll and the seal portion. Cut the end to form the bag body 20. One end of the bag body 20 is an open and openable bag opening 2 0, the other end is a sealed bag bottom 2 0 2, each of the bag openings 2 0 The two corresponding side edges from 1 to 202 of the bag bottom are respectively provided with concave portions 203 bent toward the inside of the bag body 20. Please refer to the second and sixth figures, the corona treatment is to polarize the surfaces of the bags 20 to form a rough surface 2 0 4 which is uneven, and spray the adhesive on the rough surface 2 0 4 At 3 o'clock, the adhesive 3 can penetrate into the rough surface 204, so that the adjacent stacked bags 20 can be properly adhered. The adhesive 3 does not make the adjacent two Each of the bag bodies 20 sticks to death. When the bag body 20 receives an additional pulling force, it will lose its adhesion and move away from the box.

500685 V. Description of the invention (6) 1 and making the other bag body 20 bis concave folds 20 3 be locked on the longitudinal opening 11. According to the above, it is only one of the best specific embodiments of the present invention, but the structural features of the present invention are not limited to this. Any person skilled in the art can easily think of changes or modifications in the field of the present invention. , Can be covered by the patent scope of this case.

500685 Brief description of the drawings Illustration: The first drawing is a perspective perspective view of the present invention. The second figure is a perspective view of the bag body of the present invention. The third diagram is one of the embodiments of the present invention. The fourth diagram is the second embodiment of the present invention. The fifth diagram is the third embodiment of the present invention. The sixth figure is a schematic diagram of the adhesive of the present invention, and the main component numbers are: box body ......... 1 vertical opening ... 11 stacked body ......... " · 2 Bag opening ............ 201 Concave fold .........- 203 Curled section ......... 21 Horizontal opening ......... ... 10 trumpet-shaped openings ... a 12 bag body ......... 20 bottom of the bag ... ··· ... * · * * ··-* 202 Adhesive ......... ....... 3 Rough surface ............. 204

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Claims (1)

500685 6. Scope of patent application 1. A removable plastic bag, comprising: a box body provided with an opening; a stack body formed by a plurality of bag bodies stacked on each other, each of the bag bodies One end is a bag opening which can be opened and the other end is a sealed bag bottom. Each of the two corresponding side edges of the bag body between the bag opening and the bag bottom is respectively provided with a bend to the inside of the bag body. Concave folds, between each of the adjacent bag bodies, at an appropriate position adjacent to the surface of each of the bag mouths, are used to make the adjacent bag bodies adhere to each other by an adhesive, and the bottoms of the bags face toward them. The direction of the bag mouth is curled, so that the stacked body forms a curled part on the bottom of the bags. 2. The removable plastic bag according to item 1 of the scope of patent application, wherein the opening portion is composed of a lateral opening, a longitudinal opening, and a zigzag opening, wherein the lateral opening is provided near one end of the box body. At the position of the edge, the longitudinal opening is provided at the center of the surface of the box body, and is orthogonal to and communicates with the transverse opening, and the pull-shaped opening is provided at one end of the longitudinal opening away from the transverse opening; The bag mouth of the bag body is arranged in the box body opposite to Gala. At the position of the eight-shaped opening, the curled portion is provided at the position of the lateral opening. 3. The removable plastic bag according to item 1 of the scope of patent application, wherein each of the bag bodies is provided with a rough surface at an appropriate position adjacent to the surface of the bag mouth, and the adhesive is provided on the rough surface , So that the adhesive can penetrate into the rough surface, so that two adjacent bags can be connected together. 4. A removable plastic bag manufacturing method, the manufacturing steps are as follows: First, spray a glue on a bag body near the mouth of the bag; sequentially place a plurality of bag bodies that have completed the above steps with the same openings. to Page 11 500685 I Sixth, the scope of patent application | stacking method to form a stack; Bend the bottom of these bags toward the mouth of the bag, so that the stack should form a curled part; and then the stack The body is placed in an accommodation space of a box body provided with an opening on a surface. 5. The manufacturing method as described in item 4 of the scope of patent application, wherein when the stack is placed in the accommodating space of the box, the curled portion is placed at a lateral opening position corresponding to one of the opening portions, and The openings of the pockets are placed at the position of a trumpet-shaped opening corresponding to one of the openings, one of the openings is longitudinal! The openings are arranged at the center of the surface of the box body, and they are 0 with the lateral openings. Orthogonal and connected, the trumpet-shaped opening is provided at one end of the longitudinal opening away from the lateral opening. 6. The manufacturing method as described in item 4 of the scope of patent application, wherein before the step of spraying the adhesive on the bag body, the bag body can be treated by a corona at a position near the mouth of the bag body. Machine, after the polarizing treatment is performed, the surface thereof becomes a rough rough surface with unevenness; 嗣, the adhesive is sprayed on the rough surface. I 7. The manufacturing method as described in item 4 of the scope of patent application, wherein the bag body is formed into the stacked body, which is one-third of the bag body, from the bottom of the bag to the mouth of the bag. Bend it to 180 degrees to make the stack form the curled part. 8. The manufacturing method as described in item 4 of the scope of patent application, wherein the dose sprayed by the adhesive is 2 cubic millimeters. 9. The manufacturing method described in item 4 of the scope of patent application, wherein the bag system Page 12 500685 6. The scope of patent application can be made according to the following steps: 首先.!; First, a continuous and two corresponding side bending inwardly and hollow plastic mold roll is stretched to an appropriate length; 嗣When the stretched part of the plastic mold roll is in place, hot melt is applied by a hot melt machine to form a sealed portion; 嗣, between the plastic mold roll and the seal portion, a The cutting machine cuts the end to form a bag body. One end of the bag body is an open and openable bag opening, and the other end is a sealed bag bottom. Each of the bag openings is opposite to the bag bottom. , Each provided with a concave folded portion bent toward the inside of the bag body. Page 13