CN117698202A - Manufacturing method of rope-threading non-woven fabric bag - Google Patents
Manufacturing method of rope-threading non-woven fabric bag Download PDFInfo
- Publication number
- CN117698202A CN117698202A CN202311750452.7A CN202311750452A CN117698202A CN 117698202 A CN117698202 A CN 117698202A CN 202311750452 A CN202311750452 A CN 202311750452A CN 117698202 A CN117698202 A CN 117698202A
- Authority
- CN
- China
- Prior art keywords
- woven fabric
- rope
- threading
- fabric bag
- folding
- 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.)
- Granted
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010409 ironing Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 11
- 238000009957 hemming Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/812—Applying patches, strips or strings on sheets or webs
Landscapes
- Making Paper Articles (AREA)
Abstract
The invention relates to a manufacturing method of a rope-threading non-woven fabric bag, which comprises the steps of feeding, flanging, doubling, blanking, rope threading, rope cutting, heat sealing and bag separating. The beneficial effects of the invention are as follows: the manufacturing method of the rope-threading non-woven fabric bag optimizes the manufacturing flow of the non-woven fabric bag, so that the non-woven fabric bag with rope threading can be manufactured, the whole process can be fully automatic, and the problem that the rope-threading non-woven fabric bag cannot be manufactured in the prior art is solved.
Description
Technical Field
The invention particularly relates to a manufacturing method of a rope-threading non-woven fabric bag.
Background
The non-woven bag is used as an environment-friendly material and is widely applied to various packaging fields. The traditional non-woven fabric bag manufacturing process comprises the steps of material preparation, cutting, flanging, sewing and the like. However, the conventional non-woven fabric bag manufacturing process has some problems, mainly expressed in the following aspects:
firstly, the stitching process is unstable: the traditional non-woven fabric bag adopts a sewing process, but the problems of loose thread ends or broken thread and the like easily occur in the sewing process, so that the quality of the bag is unstable.
Secondly, the rope threading function cannot be realized: the traditional non-woven fabric bag manufacturing process has no rope threading step, so that the rope threading function cannot be realized, namely the non-woven fabric bag with rope threading cannot be processed.
Therefore, a new manufacturing process is needed to solve the problem of "no processing method of the rope-threading non-woven fabric bag" in the prior art. According to the invention, the steps of rope threading, rope cutting and the like are introduced, so that the manufacturing flow of the non-woven fabric bag is optimized, the non-woven fabric bag with rope threading can be processed, and the production efficiency and the product quality are improved.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a manufacturing method of a rope-threading non-woven fabric bag, which optimizes the manufacturing flow of the non-woven fabric bag, so that the non-woven fabric bag with rope threading can be manufactured, the whole process can be fully automatic, and the problem of 'non-woven fabric bag without rope threading' in the prior art is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a manufacturing method of a rope-threading non-woven fabric bag is characterized by comprising the following steps of:
step one, feeding, namely preparing a non-woven fabric material belt and a rope body;
folding, namely folding two sides of the non-woven fabric belt towards the center for accommodating the rope body to obtain the non-woven fabric belt with the folding;
folding in half, namely folding the non-woven fabric strip with the folding in half by taking the center of the non-woven fabric strip as a folding point to obtain a one-stage non-woven fabric bag;
step four, blanking and processing an opening for the rope body to penetrate out and penetrate in to obtain a two-stage non-woven fabric bag;
step five, rope threading, namely firstly opening the two-stage non-woven fabric bag to expose the folded edge, penetrating the rope body into the folded edge obtained by processing in the step two, and then ironing and welding the folded edge to obtain the three-stage rope threading non-woven fabric bag;
cutting the rope, and cutting the rope body at the opening;
seventhly, heat sealing, namely performing hot welding on two sides of the non-woven fabric bag body by utilizing ultrasonic wave hot welding to obtain a four-stage rope-threading non-woven fabric bag;
and eighthly, dividing the four-stage rope-threading non-woven fabric bags into single rope-threading non-woven fabric bags.
By adopting the technical scheme, the manufacturing flow of the non-woven fabric bag is optimized by introducing the steps of rope threading, rope cutting and the like, so that the non-woven fabric bag with rope threading can be processed, the whole process can be fully automatic, and the problem of 'non-processable rope threading non-woven fabric bag' in the prior art is solved.
The above-mentioned manufacturing method of the rope-threading non-woven fabric bag can be further provided as follows: step two also includes the following: compacting and rolling the folded edge by using a compacting mechanism.
By adopting the technical scheme, the two sides of the non-woven fabric bag material are folded firstly, and the folding edge is compacted in the process of increasing compaction, so that the folding edge can be stably maintained, and the folding edge is used for rope threading.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of a feeding device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a hemming device and a compacting mechanism according to an embodiment of the present invention;
fig. 3 is a schematic view of a blanking device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an automatic rope threading device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a traction drum assembly according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of a portion of FIG. 4 at A;
fig. 7 is a schematic diagram of a cutter mounted on the front side of a ironing knife in the rope cutting device according to the embodiment of the invention;
fig. 8 is a schematic diagram of a cutter mounted on the rear side of a ironing knife in the rope cutting device according to the embodiment of the invention;
FIG. 9 is a schematic view of a second linkage plate according to an embodiment of the present invention
FIG. 10 is a schematic view of a knife according to an embodiment of the present invention;
FIG. 11 is a schematic view of a portion of a rope cutting apparatus according to an embodiment of the present invention;
FIG. 12 is a schematic view of an ultrasonic ironing mechanism and a cutting mechanism according to an embodiment of the present invention;
fig. 13 is a schematic view of a rope-threading non-woven fabric bag processed according to an embodiment of the invention.
Reference numerals notes: a feeding device 1; a hemming device 2, a folded plate 21, a bevel edge 211, and a hemming auxiliary roller 22; the compaction mechanism 3, the pinch roller 31, the pressing seat 32 and the gear transmission assembly 33; a folding device 4; the punching device 5, the punching block 51, the hand wheel 52, the guide rod 53, the mounting seat 54, the connecting rod 55, the gear 56 and the rack 57; the automatic rope threading device 6, the opening plate 61, the strip-shaped connecting hole 611, the supporting rod 62, the mounting hole 621, the traction cylinder 63, the feeding cylinder portion 631, the guiding cylinder portion 632, the discharging cylinder portion 633, the edge sealing mechanism 64, the welding seat 641 and the rotating welding head 642; the rope cutting device 7, the cutter 71, the ironing knife 72, the knife holder 721, the knife edge 722, the ironing block 723, the second cylinder 73, the first linkage plate 74, the second linkage plate 75, the connecting hole 751, the cutter mounting groove 752, the pressing plate 76 and the third cylinder 77; an ultrasonic wave hot welding mechanism 8 and a cutting mechanism 9.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A method for manufacturing a rope-threading non-woven fabric bag,
step one, feeding, namely preparing a non-woven fabric material belt and a rope body, and carrying out traction transportation on a non-woven fabric bag material by using a feeding device 1 (shown in figure 1).
And (2) folding the edges, and folding the two sides of the non-woven fabric belt towards the center by using a folding device 2 (shown in figure 2) for accommodating the rope body to obtain the non-woven fabric belt with the folding edges. The hemming device 2 comprises two sets of folded plates 21, two sets of hemming auxiliary rollers 22, the folded plates 21 are provided with inclined edges 211, and the hemming auxiliary rollers 22 are distributed on one side of the folded plates 21 and correspond to the inclined edges 211. The two sets of folded plates 21 are respectively distributed on two sides of the non-woven fabric bag material, and respectively fold the two sides of the non-woven fabric bag material, wherein the folded edges are used for rope threading, and the folded edges are not bonded with the non-woven fabric bag material.
(2) Post-compaction, step two further includes the following: compacting and rolling the folded edges by using a compacting mechanism (shown in fig. 2), wherein the compacting mechanism comprises a pressing wheel 31 and a pressing seat 32, the pressing wheel 31 is linked with a gear transmission assembly 33, the pressing seat 32 is linked with a linear sliding rail assembly, and the linear sliding rail assembly is used for adjusting the position of the pressing seat 32 so as to adapt to processing of non-woven fabrics bags of different specifications and types. The gear transmission assembly 33 can be driven by a servo motor, the pinch roller 31 rotates under the driving of the gear transmission assembly 33, and the pinch roller is matched with the pressing seat 32 to compact the folded edges.
The non-woven fabric bag material manufactured through the second processing is folded by the folding device 2, and the folding edges are compacted by the compacting mechanism 3, so that the folding edges can be stably maintained. The hem is used for rope threading, and it is noted that the hem is not bonded with the non-woven fabric bag material.
And thirdly, folding, namely folding the folded non-woven fabric strip by using a folding device 4 by taking the center of the non-woven fabric strip as a folding point to obtain a one-stage non-woven fabric bag.
Step four, blanking, namely processing an opening by using a blanking device 5 (shown in figure 3) for penetrating out and penetrating the rope body to obtain a two-stage non-woven fabric bag; the blanking device comprises two groups of blanking blocks 51 which are parallel to each other and are arranged at intervals, the blanking blocks 51 are linked with guide rods 53, the end parts of the guide rods 53 are linked with mounting seats 54, the mounting seats 54 are linked with connecting rods 55, the connecting rods 55 are hinged with gears 56, the gears 56 are meshed and driven with racks 57, the racks 57 are arranged on a frame, and the end parts of the connecting rods 55 are linked with hand wheels 52. Openings on two sides of the non-woven fabric bag body are processed and used for the rope body to extend out of one group of openings, so that the rope body with a certain length is reserved.
Step five, rope threading, namely opening the two-stage non-woven fabric bag by utilizing an automatic rope threading device 6 (shown in fig. 4-6) to expose the folded edge, penetrating the rope body into the folded edge obtained by processing in the step two, and then ironing and welding the folded edge to obtain the three-stage rope threading non-woven fabric bag.
The automatic rope threading device 6 comprises an opening mechanism, a traction cylinder assembly and a sealing mechanism 64.
The opening mechanism comprises 2 groups of opening plates 61 which are mutually parallel, the opening plates 61 are connected with supporting rods 62, bar-shaped connecting holes 611 are formed in the opening plates 61, 2 groups of mounting holes 621 are formed in the supporting rods 62, and the supporting rods 62 are mounted on the frame. The upper layer of bag surface and the lower layer of bag surface are separated by the opening plate 61, so that the traction cylinder 63 can conveniently enter the folded edge of the bag body to carry out rope threading.
The traction cylinder assembly comprises two groups of traction cylinders 63 which are arranged up and down oppositely, the traction cylinders 63 comprise feeding cylinder parts 631, the end parts of the feeding cylinder parts 631 are bent and connected with guide cylinder parts 632, the guide cylinder parts 632 are mutually parallel and mutually communicated with the feeding cylinder parts 631, the end parts of the guide cylinder parts 632 far away from the feeding cylinder parts 631 are bent and connected with discharge cylinder parts 633, the discharge cylinder parts 633 and the guide cylinder parts 632 are obliquely arranged and mutually communicated, and the whole parts of the discharge cylinder parts 633 and the guide cylinder parts 632 are obliquely arranged towards one side of a material relative to the feeding cylinder parts 631. The two sets of traction drums 63 respectively draw the rope into the folds.
The edge sealing mechanism 64 comprises two sets of edge sealing assemblies, each edge sealing assembly comprises a welding seat 641 and a rotating welding head 642, the rotating welding heads 642 are hinged on the frame, servo motors are linked at the end parts of the rotating welding heads 642, the rotating welding heads 642 in one set of edge sealing assemblies are distributed at the lower part of one set of welding seats 641, and the rotating welding heads 642 in the other set of edge sealing assemblies are distributed at the upper part of the other set of welding seats 641. The edge sealing of one group is used for processing the lower-layer edge folding of the double-layer non-woven fabric bag material, the other group is used for processing the upper-layer edge folding of the double-layer non-woven fabric bag material, the two edge folding of the double-layer non-woven fabric bag material are mutually matched, the two edge folding of the double-layer non-woven fabric bag material are simultaneously hot-welded, and the processing efficiency is greatly improved.
Wherein, two groups of opening plates 61 are respectively positioned at the front and the back of the automatic rope threading device 6.
In summary, step five is firstly to prop open the double-layer non-woven fabric bag material, two rope bodies respectively enter the upper and lower hems, the edge sealing mechanism 64 is used for ironing and welding the hems, and the rope threading work is finished so far, so that the three-stage rope threading non-woven fabric bag can be obtained.
Step six, cutting the rope, and cutting the rope body at the opening by using a rope cutting device 7 (shown in fig. 7-11);
the rope cutting device 7 comprises a ironing knife 72, a cutter 71 and a second air cylinder 73 linked with the cutter 71, wherein the ironing knife 72 and the cutter 71 are arranged oppositely and are arranged in a dislocation manner along the direction perpendicular to the axis of the ironing knife 72; the ironing knife 72 comprises a knife block 721, two groups of blades 722 are arranged at the end part of the knife block 721, the two groups of blades 722 are oppositely arranged and respectively distributed at two sides of the end part of the knife block 721, and a plurality of groups of ironing blocks 723 are further arranged at the end part of the knife block 721. A linkage assembly is arranged between the second air cylinder 73 and the cutter 71, the linkage assembly comprises a first linkage plate 74 which is linked with the output end of the second air cylinder 73, the first linkage plate 74 is connected with a second linkage plate 75, one side of the second linkage plate 75 is provided with a connecting hole 751 which is connected with the first linkage plate 74, the other side is provided with a cutter mounting groove 752, and the cutter mounting groove 752 and the connecting hole 751 are mutually parallel and are arranged at intervals.
It should be noted here that: the two positional relations between the cutter 71 and the ironing knife 72 are shown in fig. 8 and 9, and the feeding direction of the non-woven fabric bag material is taken as a reference, (1) if the cutting edge 722 is arranged on the front side of the cutting edge 722, the processed rope body is positioned in front of the bag body, the ironing knife 72 and the cutter 71 can not touch the rope, and the length of the rope can not be longer than the width of the bag; and (II) if the blade 722 is arranged at the rear side of the blade 722, the processed rope body is positioned at the rear of the bag body, and long ropes are formed at the rear of the bag body, so that blowing can be carried out on the ironing knife 72 and the cutter 71, and the ironing knife 72 and the cutter 71 are prevented from breaking the ropes. Thereby realizing the dual purposes of the rope cutting device 7, and the processed rope body can be arranged in front of the bag body and also can be arranged behind the bag body.
The cutter mounting groove 752 and the connection hole 751 are eccentrically arranged, and the positional relationship between the cutting edge 722 and the ironing knife 72 can be changed by rotating the second linkage plate 75, so that the assembly relationship between the cutter 71 and the ironing knife 72 can be selectively assembled according to actual conditions, and the operation is more convenient. It is understood that the linkage assembly facilitates adjustment of the mounting and dismounting orientation of the cutter 71.
The rope cutting device 7 further comprises a material pressing plate 76 and a third air cylinder 77, and the output end of the third air cylinder 77 is linked with the material pressing plate 76. In the rope cutting process, the pressing plate 76 is driven by the third air cylinder 77 to press the non-woven fabric bag body, so that the working stability of the rope cutting device 7 is improved, the length of the rope body is reserved more accurately, and the cutting is faster.
In summary, the specific operation in the sixth step is as follows: the second air cylinder 73 is used for controlling the extension and contraction of the cutter 71, in actual use, the maximum extension of the cutter 71 is changed, so that the reserved length of the rope body is changed to meet actual requirements, meanwhile, the ironing cutter 72 is used for bonding the rope body and the non-woven fabric in the process of cutting by matching with the cutter 71, so that the rope body cannot move along with the cutter 71 in the process of cutting the rope body by matching with the ironing cutter 72, and the rope cutting work is completed and the rope body is stably penetrated in the folded edge of the non-woven fabric bag body.
Step seven, heat sealing, namely, performing hot welding on two sides of the non-woven fabric bag body by utilizing an ultrasonic wave hot welding mechanism 8 (shown in fig. 12) to obtain a four-stage rope-threading non-woven fabric bag;
and eighth, dividing the four-stage rope-threading non-woven fabric bags into single rope-threading non-woven fabric bags by utilizing a cutting mechanism 9 (shown in fig. 12).
Claims (2)
1. A manufacturing method of a rope-threading non-woven fabric bag is characterized by comprising the following steps of:
step one, feeding, namely preparing a non-woven fabric material belt and a rope body;
folding, namely folding two sides of the non-woven fabric belt towards the center for accommodating the rope body to obtain the non-woven fabric belt with the folding;
folding in half, namely folding the non-woven fabric strip with the folding in half by taking the center of the non-woven fabric strip as a folding point to obtain a one-stage non-woven fabric bag;
step four, blanking and processing an opening for the rope body to penetrate out and penetrate in to obtain a two-stage non-woven fabric bag;
step five, rope threading, namely firstly opening the two-stage non-woven fabric bag to expose the folded edge, penetrating the rope body into the folded edge obtained by processing in the step two, and then ironing and welding the folded edge to obtain the three-stage rope threading non-woven fabric bag;
cutting the rope, and cutting the rope body at the opening;
seventhly, heat sealing, namely performing hot welding on two sides of the non-woven fabric bag body by utilizing ultrasonic wave hot welding to obtain a four-stage rope-threading non-woven fabric bag;
and eighthly, dividing the four-stage rope-threading non-woven fabric bags into single rope-threading non-woven fabric bags.
2. The method for manufacturing a rope-threading non-woven fabric bag according to claim 1, wherein the second step further comprises the following steps: compacting and rolling the folded edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311750452.7A CN117698202B (en) | 2023-12-19 | 2023-12-19 | Manufacturing method of rope-threading non-woven fabric bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311750452.7A CN117698202B (en) | 2023-12-19 | 2023-12-19 | Manufacturing method of rope-threading non-woven fabric bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117698202A true CN117698202A (en) | 2024-03-15 |
| CN117698202B CN117698202B (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311750452.7A Active CN117698202B (en) | 2023-12-19 | 2023-12-19 | Manufacturing method of rope-threading non-woven fabric bag |
Country Status (1)
| Country | Link |
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| CN (1) | CN117698202B (en) |
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| CN105936141A (en) * | 2016-06-27 | 2016-09-14 | 浙江超伟机械有限公司 | Device for embedding drawstring in drawstring garbage bag |
| CN210792247U (en) * | 2019-07-08 | 2020-06-19 | 杭州彼特环保包装有限公司 | Packaging bag opening device |
| WO2023227774A2 (en) * | 2022-05-27 | 2023-11-30 | Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. | System for converting a web-shaped starting material into packaging pouches |
-
2023
- 2023-12-19 CN CN202311750452.7A patent/CN117698202B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3196757A (en) * | 1962-07-31 | 1965-07-27 | Colodense Ltd | Method for making a draw string bag |
| FR1421817A (en) * | 1964-01-14 | 1965-12-17 | Cutting and welding device for tubular elements or folded sheets of thermoplastic material, intended for the manufacture of pouches, bags or similar packaging | |
| US3512456A (en) * | 1965-05-08 | 1970-05-19 | Alfons Meyer | Method and apparatus for mechanically producing string-tied bags |
| EP0348823A2 (en) * | 1988-06-29 | 1990-01-03 | Stiegler Gmbh Maschinenfabrik | Method and device for manufacturing bags with thermoplastic pull strings |
| JPH02109860A (en) * | 1988-10-12 | 1990-04-23 | Watanabe Shikogyo Kk | Purse made of nonwoven fabric and its manufacture |
| EP1232954A1 (en) * | 2001-01-24 | 2002-08-21 | SP Metal | Bag chain with drawstrings and method of its manufacture |
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| CN102267250A (en) * | 2011-03-31 | 2011-12-07 | 厦门亚太创新机器有限公司 | Lacing plastic bag production equipment |
| CN202528499U (en) * | 2012-04-20 | 2012-11-14 | 东莞市利瀚机械有限公司 | Fully-automatic non-woven bag making machine |
| CN105936141A (en) * | 2016-06-27 | 2016-09-14 | 浙江超伟机械有限公司 | Device for embedding drawstring in drawstring garbage bag |
| CN210792247U (en) * | 2019-07-08 | 2020-06-19 | 杭州彼特环保包装有限公司 | Packaging bag opening device |
| WO2023227774A2 (en) * | 2022-05-27 | 2023-11-30 | Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. | System for converting a web-shaped starting material into packaging pouches |
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| Publication number | Publication date |
|---|---|
| CN117698202B (en) | 2024-07-02 |
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