CN110435227B - Method and equipment for folding corner of side organ of packaging bag - Google Patents
Method and equipment for folding corner of side organ of packaging bag Download PDFInfo
- Publication number
- CN110435227B CN110435227B CN201810411298.3A CN201810411298A CN110435227B CN 110435227 B CN110435227 B CN 110435227B CN 201810411298 A CN201810411298 A CN 201810411298A CN 110435227 B CN110435227 B CN 110435227B
- Authority
- CN
- China
- Prior art keywords
- packaging bag
- organ
- folding
- double
- corner
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
Landscapes
- Making Paper Articles (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a corner folding device for a side organ of a packaging bag, which comprises a film material conveying device, a corner folding device and a corner folding device, wherein the film material conveying device is used for continuously conveying a film material of the packaging bag along the length direction of the packaging bag; the lateral organ conveying device is used for continuously conveying the folded double-layer lateral organ film material to the corresponding position on the lower film of the packaging bag film material; and the folding device is used for forming rhombic folding angles at openings on two sides of the double-layer side organ membrane material. The beneficial effects are as follows: the technology of the invention can be suitable for the packaging bag with the integrated upper film and lower film. The technology adopts the method of connecting the body and standing by oneself to form the break angle of the lateral wind organ, thus effectively enhancing the strength of the break angle of the lateral wind organ. The waste materials are cut off at the opening of the packaging bag by a punching device to form a triangular structure, so that the packaging bag is not easy to break after the zipper is ironed, and the position strength of the zipper is increased. The technical equipment has simple structure, convenient operation and high applicability.
Description
Technical Field
The invention relates to the field of machinery, in particular to equipment for manufacturing folds of side organs of a packaging bag and a folding method.
Background
The packaging bag is a bag for packaging various articles, so that goods are convenient to transport and easy to store in a production flow process, and the packaging bag is widely applied to daily life and industrial production. The existing packaging bags are various in types, the packaging bag with the side organ is one of the packaging bags with wide application, the upper film, the lower film and the bottom sheet material of the traditional packaging bag are of independent split structures or the lower film and the bottom sheet material are integrated and are separated from the upper film, the side organ is conveyed to the lower film of the packaging bag film material through a side wind organ conveying device and is subjected to heat sealing under the structure, then the upper film of the packaging bag covers the side wind organ, and after the upper film and the part of the side wind organ positioned at the bottom are folded, the bottom sheet material is covered, and then heat sealing and cutting are carried out for forming. The side wind organ is used as a two-side sheet material structure of the packaging bag, the folding mode of the side organ usually adopts a mode that the middle line part of a double-layer side organ is used as a symmetry axis, the double layers of the side organ are folded towards the middle line part at the same time to form a folding angle structure, and the mode is very uncomfortable for the upper film, the lower film and the bottom sheet material integrated packaging bag structure.
Accordingly, those skilled in the art have endeavored to develop a side wind organ corner folding apparatus and method applicable to a structure in which an upper film, a lower film and a bottom sheet of a packaging bag are integrated.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a method and an apparatus for folding a side gusset of a bag to solve the problem of folding the side gusset of the bag by integrating a film structure.
In order to solve the above problems, the present invention provides a gusseting apparatus of a side gusset of a packing bag, comprising:
the film material conveying device is used for continuously conveying the packaging bag film material along the length direction of the packaging bag film material;
the lateral organ conveying device is used for continuously conveying the folded double-layer lateral organ film material to the corresponding position on the lower film of the packaging bag film material;
the folding device is used for forming rhombic folding angles at openings on two sides of the double-layer side organ membrane material; the corner folding device specifically comprises a template backer and a corner inserting mechanism, wherein the template backer is a corner folding pressing device and is used for pressing the double-layer side wind instrument on a packaging bag film material, and meanwhile, the side edge of the double-layer side wind instrument is used as a leaning side edge of a corner to fold the corner; the corner inserting mechanism is used for folding the middle and upper layers of the lateral organ membranes at the openings on the two sides of the double-layer side organ membrane, and the corner inserting mechanisms on the two sides push towards the center, so that the double-layer side organ membrane forms a rhombic corner in the length direction.
Furthermore, the corner folding device of the side organ of the packaging bag further comprises a corner folding mechanism for folding the diamond corners of the side organ film at the bottom of the packaging bag into triangles in the length direction.
Furthermore, before the rhombic break angle at the bottom of the packaging bag is turned into a triangle, the sheet materials at the bottom of the packaging bag are hot-pressed through the hot-pressing device at the rhombic break angle.
Furthermore, the sheet materials at the bottom of the packaging bag are folded in a Z shape by the folding equipment.
Further, the distance between the edge of the template backer in the length direction of the side wind organ and the edges of the two side openings in the length direction of the double-layer side organ film material is equal to half of the width of the bottom sheet material of the packaging bag, so that the diagonal length of the turned diamond-shaped folding angle is equal to the width of the bottom sheet material.
Furthermore, the folding device of the side organ packaging bag further comprises a punching device, and the punching device is used for punching a bottom triangular part of the rhombic folding corner of the side organ film positioned at the position packaged to the bag opening to break local waste materials, so that the part of rhombic folding corner structure is subjected to edge sealing and ironing by the ironing device to form a top structure of the triangular side organ.
Based on the structure, the invention also provides a method for folding the side organ of the packaging bag, which comprises the following specific operation steps:
the first step is as follows: the film material conveying equipment continuously conveys the packaging bag film material along the length direction of the film material;
the second step is that: the lateral organ conveying device continuously conveys the double-layer side organ membrane material to a corresponding position on a lower membrane of the packaging bag membrane material along the width direction of the packaging bag membrane material;
the third step: in the continuous conveying process of the membrane material conveying equipment, the double-layer lateral organs of the membrane material are conveyed to the lower part of the template support, a certain distance is reserved between two openings of the double-layer lateral organs of the membrane material and two side edges of the template support, and at the moment, the template support presses the double-layer lateral organ membrane material and serves as a leaning reference part for turning over the openings at two sides;
the fourth step: driving one end of a corner inserting mechanism at two sides of a double-layer lateral organ to use the side edge of a template backer as a turnover reference part, and moving a central line part of a double-layer lateral organ film in the length direction to the center to form a diamond corner;
the fifth step: after the sheet material at the bottom of the packaging bag is turned over into a Z shape by the turning-over mechanism, the sheet material is ironed and pressed at the rhombic folding angle at the bottom of the packaging bag by the hot ironing and pressing device; then, the folding mechanism of the rhombic folding angle folds the triangular structure at the upper part of the rhombic folding angle, and the rhombic folding angle is ironed and pressed on the sheet material at the bottom of the packaging bag through a hot ironing and pressing device;
and a sixth step: the lower part of the triangular structure of the rhombic break angle positioned at the opening of the packaging bag breaks partial waste materials through a punching device, and the upper part of the triangular structure is folded downwards;
the seventh step: folding the upper film material of the packaging bag to cover the upper side of the side wind organ, sealing edges of all the film materials by a hot pressing device, hot pressing, and cutting by a cutter to form a square bottom bag structure.
Based on the preparation mode, the packaging bag provided by the invention comprises the packaging bag with the folding corner of the lateral wind organ prepared by the preparation method.
By implementing the method and the device for folding the side organ of the packaging bag, provided by the invention, the following technical effects are achieved:
(1) the technology of the invention can be suitable for the packaging bag with the integrated upper film and lower film.
(2) The technology of the invention adopts a method of connecting the body and standing by itself to form the break angle of the lateral wind organ, thereby effectively enhancing the strength of the break angle of the lateral wind organ.
(3) According to the invention, the waste materials are cut off at the opening position of the packaging bag by using the punching device to form a triangular structure, so that the packaging bag is not easy to break after the zipper is ironed, and the position strength of the zipper is increased.
(4) The technical equipment has the advantages of simple structure, convenient operation and high applicability.
Drawings
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
FIG. 1 is a schematic view of a package according to an embodiment of the present invention;
FIG. 2 is a schematic view of a bag creasing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a diamond corner of a package according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a diamond-shaped dog-ear punch according to an embodiment of the present invention;
the direction of the arrow in the figure is the film and side wind instrument film conveying direction.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solution of the present invention will be described in detail with specific embodiments.
FIG. 1 is a schematic view showing the structure of a packaging bag according to an embodiment of the present invention, in which a film material 10 of the packaging bag is of an integral structure with a bottom sheet 101, the film material 10 including an upper film and a lower film; the side gussets 20 are provided between the film material 10 and the bottom sheet 101.
Fig. 2 is a schematic diagram of a packaging bag folding apparatus according to an embodiment of the present invention, in which the folding apparatus of a side organ of a packaging bag includes a film material conveying device 1 for continuously conveying a packaging bag film material 10 along a length direction thereof; the lateral organ conveying device 2 is used for continuously conveying the folded double-layer lateral organ film material 20 to the corresponding position on the lower film of the packaging bag film material 10; the corner folding device is used for respectively forming a diamond corner 201 and a diamond corner 202 at the opening and the bottom of the packaging bag of the double-layer side organ film material 20; the corner folding device shown in fig. 3 specifically comprises a template backer 3 and a corner inserting mechanism 4, wherein the template backer 3 is a pressing device for folding a corner of the double-layer lateral piano film 20, and is used for pressing the double-layer lateral piano film 20 on the lower film of the packaging bag film 10, and meanwhile, the side edge of the double-layer lateral piano film is used as a reference leaning part for folding the corner; the corner inserting mechanism 4 is used for folding the upper layer film material in the lateral wind organ film material 20 at the openings at the two sides of the double-layer lateral wind organ film material 20 from the middle line part of the opening, and pushing the upper layer film material to the center through the corner inserting mechanisms 4 at the two sides, so that the double-layer lateral wind organ film material 20 forms rhombic folding corners 201 and 202 in the length direction.
Further, the corner folding device of the side organ of the packaging bag further comprises a corner folding mechanism for folding the diamond-shaped corners 202 of the side organ film 20 at the bottom of the packaging bag into a triangle in the length direction thereof.
Further, before the diamond-shaped folding angle 202 at the bottom position of the packaging bag is folded into a triangle, the sheet 101 along the bottom of the packaging bag is hot-pressed at the position of the diamond-shaped folding angle 202 by the hot-pressing device.
Further, the bottom sheet 101 of the packaging bag is folded in a Z shape by a folding device.
Further, the distance between the edge of the template backer 3 in the length direction of the side gusset and the edge of the two side openings in the length direction of the double-layer side gusset film material 20 is equal to half of the width of the bottom sheet 101 of the packaging bag, so that the diagonal length of the folded diamond-shaped folding angle 202 is the same as the width of the bottom sheet 101 of the packaging bag.
Further, the folding device of the side gusset of the packaging bag further comprises a punching device 5, wherein the bottom triangular part of the rhombic folding corner 201 of the side gusset film material 20 at the position of packaging to the bag opening is punched to break local waste materials, so that the part of the rhombic folding corner 201 structure forms a triangular side gusset top structure after edge sealing and ironing.
Based on the structure, the invention also provides a method for folding the side organ of the packaging bag, which comprises the following specific operation steps:
the first step is as follows: the film material conveying equipment 1 continuously conveys the packaging bag film material 10 along the length direction of the film material 10;
the second step is that: the lateral organ conveying device 2 continuously conveys the double-layer lateral organ membrane 20 to the corresponding position on the lower membrane of the packaging bag membrane 10 along the width direction of the packaging bag membrane 10;
the third step: in the continuous conveying process of the membrane material conveying equipment 1, the double-layer lateral wind instrument membrane material 20 is conveyed to the position below the template backer 3, and a certain distance is reserved between two openings of the double-layer lateral wind instrument membrane material 20 and two side edges of the template backer 3, at the moment, the template backer 3 compresses the double-layer lateral organ membrane material 20 and serves as a leaning reference part for turning over the openings at two sides;
the fourth step: driving one end of the corner inserting mechanism 4 at two sides of the double-layer side organ film material 20 to move the middle line part of the double-layer side organ film material 20 in the length direction to the center by taking the side edge of the template backer 3 as a folding reference part to form diamond- shaped folding angles 201 and 202;
the fifth step: after the sheet material 101 at the bottom of the packaging bag is turned over by the turning-over mechanism to be Z-shaped, the sheet material is ironed and pressed at a diamond-shaped break angle 202 at the bottom of the packaging bag by a hot ironing device; then, the folding mechanism of the rhombic folding angle 202 folds the triangular structure at the upper part of the rhombic folding angle, and the rhombic folding angle is pressed on the bottom sheet material 101 of the packaging bag through a hot pressing device;
and a sixth step: as shown in fig. 4, the lower triangular structure of the diamond-shaped bevel 201 at the opening of the packaging bag breaks the partial waste material through the punching device 5, and the upper triangular structure is folded back downwards through the folding mechanism of the diamond-shaped bevel 201;
the seventh step: folding the upper film material of the packaging bag to cover the upper side of the side wind organ, sealing edges of all the film materials by a hot pressing device, hot pressing, and cutting by a cutter to form a square bottom bag structure.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A gusseting apparatus of a side gusset of a pouch, comprising:
the film material conveying device is used for continuously conveying the packaging bag film material along the length direction of the packaging bag film material;
the lateral organ conveying device is used for continuously conveying the folded double-layer lateral organ film material to the corresponding position on the lower film of the packaging bag film material; the method is characterized in that:
the folding device is used for forming rhombic folding angles at openings on two sides of the double-layer side organ membrane material; the corner folding device comprises a template backer and a corner inserting mechanism, wherein the template backer is a corner folding pressing device and is used for pressing the double-layer side wind instrument on a packaging bag film material, and meanwhile, the side edge of the double-layer side wind instrument is used as a leaning side edge of a corner to fold; the corner inserting mechanism is used for folding the middle and upper layers of the lateral organ membranes at the openings on the two sides of the double-layer side organ membrane, and the corner inserting mechanisms on the two sides push towards the center, so that the double-layer side organ membrane forms a rhombic corner in the length direction.
2. The beveling apparatus according to claim 1, wherein: the packaging bag is characterized by further comprising a corner folding mechanism for folding the diamond corners of the lateral piano film at the bottom of the packaging bag into a triangular structure in the length direction.
3. The beveling apparatus according to claim 1, wherein: before the rhombic break angle positioned at the bottom of the packaging bag is turned into a triangular structure, the sheet material at the bottom of the packaging bag is hot-pressed at the rhombic break angle position through a hot-pressing device.
4. The beveling apparatus according to claim 3, wherein: the sheet materials at the bottom of the packaging bag are folded in a Z shape by the folding equipment.
5. The beveling apparatus according to claim 1 or 3, wherein: the distance between the edge of the template backer in the length direction of the side wind organ and the edges of the two side openings in the length direction of the double-layer side organ film material is equal to half of the width of the bottom sheet material of the packaging bag, so that the diagonal length of the diamond-shaped folding angle at the bottom of the packaging bag after being folded is the same as the width of the bottom sheet material.
6. The beveling apparatus according to claim 1, wherein: the lateral organ packaging bag further comprises a punching device, wherein the punching device is used for punching a bottom triangular part of the rhombic dog-ear of the lateral organ film material packaged to the bag opening position to break local waste materials.
7. A method of folding a side gusset of a bag comprising the apparatus of any one of claims 1-6, comprising the steps of:
the first step is as follows: the film material conveying equipment continuously conveys the packaging bag film material along the length direction of the film material;
the second step is that: the lateral organ conveying device continuously conveys the double-layer side organ membrane material to a corresponding position on a lower membrane of the packaging bag membrane material along the width direction of the packaging bag membrane material;
the third step: in the continuous conveying process of the membrane material conveying equipment, the double-layer lateral organs of the membrane material are conveyed to the lower part of the template support, a certain distance is reserved between two openings of the double-layer lateral organs of the membrane material and two side edges of the template support, and at the moment, the template support presses the double-layer lateral organ membrane material and serves as a leaning reference part for turning over the openings at two sides;
the fourth step: driving one end of a corner inserting mechanism at two sides of a double-layer lateral organ to use the side edge of a template backer as a turnover reference part, and moving a central line part of a double-layer lateral organ film in the length direction to the center to form a diamond corner;
the fifth step: after the sheet material at the bottom of the packaging bag is turned over into a Z shape by the turning-over mechanism, the sheet material is ironed and pressed at the rhombic folding angle at the bottom of the packaging bag by the hot ironing and pressing device; then, the folding mechanism of the rhombic folding angle folds the triangular structure at the upper part of the rhombic folding angle, and the rhombic folding angle is ironed and pressed on the sheet material at the bottom of the packaging bag through a hot ironing and pressing device;
and a sixth step: the lower part of the triangular structure of the rhombic break angle positioned at the opening of the packaging bag breaks partial waste materials through a punching device, and the upper part of the triangular structure is folded downwards;
the seventh step: and folding the upper film material of the packaging bag to cover the upper part of the side wind organ, sealing edges of the film materials, ironing and pressing, and cutting by a cutter to form a square bottom bag structure.
8. A packaging bag comprising the packaging bag having a corner of a crosswind organ produced by the production method according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411298.3A CN110435227B (en) | 2018-05-02 | 2018-05-02 | Method and equipment for folding corner of side organ of packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411298.3A CN110435227B (en) | 2018-05-02 | 2018-05-02 | Method and equipment for folding corner of side organ of packaging bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110435227A CN110435227A (en) | 2019-11-12 |
| CN110435227B true CN110435227B (en) | 2021-02-19 |
Family
ID=68426984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810411298.3A Active CN110435227B (en) | 2018-05-02 | 2018-05-02 | Method and equipment for folding corner of side organ of packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435227B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761878B (en) * | 2020-07-03 | 2022-02-18 | 浙江旭东包装有限公司 | Packaging bag manufacturing equipment capable of meeting requirements of various edge sealing creases |
| CN113910682B (en) * | 2021-11-10 | 2024-04-12 | 黄山源点新材料科技有限公司 | Method for manufacturing four-side sealed bags by middle-split bag making machine |
| CN114953597B (en) * | 2022-05-05 | 2024-04-23 | 上海洲泰轻工机械制造有限公司 | Preparation equipment and method for side organ triangular structure, packaging bag and bag making machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB322761A (en) * | 1928-09-11 | 1929-12-11 | Bates Valve Bag Corp | Improvements in valve bags and method of making the same |
| GB345161A (en) * | 1930-06-02 | 1931-03-19 | Gustav Fischer | Improvements relating to the manufacture of bags with shaped ends or bottoms |
| NL83723C (en) * | 1949-07-20 | |||
| GB845606A (en) * | 1956-12-13 | 1960-08-24 | Martin Rawe | Machine for the manufacture of paper bags with diamond-shaped bottoms |
| GB1193676A (en) * | 1966-08-03 | 1970-06-03 | Windmoeller & Hoelscher | Making Crossed-end Bags |
| CN2538533Y (en) * | 2002-05-20 | 2003-03-05 | 许汉光 | Cramp folding machine for internal leaf of organ bag |
| JP3733085B2 (en) * | 2002-06-03 | 2006-01-11 | トタニ技研工業株式会社 | Plastic bag and bag making machine |
| CN102529150B (en) * | 2011-11-25 | 2017-07-04 | 广东中包机械有限公司 | Full-automatic multifunctional multi-mode integrated bag making machine |
| CN103407201B (en) * | 2013-08-19 | 2016-08-10 | 杭州彼特环保包装有限公司 | Coating method at the bottom of bag end gluing machine and bag |
| CN104669683A (en) * | 2013-12-02 | 2015-06-03 | 惠州宝柏包装有限公司 | Manufacturing method for bellows pocket with hot sealing zipper |
| CN203592724U (en) * | 2013-12-17 | 2014-05-14 | 瑞安市正东包装机械有限公司 | Bellow pocket edge inserting, bag manufacturing and winding combined manufacturing machine |
| CN206011840U (en) * | 2016-08-30 | 2017-03-15 | 汕头市南墩机械有限公司 | Page manufacturing machine in a kind of bellows pocket |
-
2018
- 2018-05-02 CN CN201810411298.3A patent/CN110435227B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110435227A (en) | 2019-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3739977A (en) | Plastic market bag | |
| CN110435227B (en) | Method and equipment for folding corner of side organ of packaging bag | |
| US4798295A (en) | Packing container for liquid contents | |
| US6440051B1 (en) | Method and apparatus for fabricating double-ended closure bags and double compartment bags | |
| EP1838521B1 (en) | Method for making a bag | |
| CN101754850B (en) | An apparatus and a method for making packages and a package thereof | |
| EP3046754B1 (en) | Machine and method for manufacturing plastic pouches | |
| US3618478A (en) | Three dimensional bag with reinforced bottom and method of forming same | |
| US6089753A (en) | Easy to open handle bag and method of making the same | |
| US3143276A (en) | Containers | |
| JP2004010055A (en) | Plastics bag and its bag-making machine | |
| CN103786946B (en) | Accordion-edge square-bottom packaging bag and manufacturing method thereof | |
| US3022613A (en) | Packaging method | |
| ES2185471A1 (en) | Resealable Sack or bag | |
| US2078467A (en) | Siftproof bag | |
| US4046308A (en) | Packaging | |
| US3987711A (en) | Formation of laminated packaging blanks | |
| US4189986A (en) | Method and apparatus for heat sealing a package blank | |
| JP4057157B2 (en) | Plastic bag manufacturing method | |
| CN109367130A (en) | The manufacturing method of combined packaging bag | |
| CN208499182U (en) | A kind of self-standing bag | |
| US2085301A (en) | Utilization of cellulosic films, sheets, and the like | |
| US2845849A (en) | Method and apparatus for producing bags | |
| CN107117390A (en) | A kind of packaging bag provided with tear line | |
| US1935380A (en) | Method of making a multi-ply bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |