CN111409922A - Guide roller film-making movable bag-expanding post-processing film-packaging mechanism and bag-making packaging process thereof - Google Patents
Guide roller film-making movable bag-expanding post-processing film-packaging mechanism and bag-making packaging process thereof Download PDFInfo
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- CN111409922A CN111409922A CN202010284898.5A CN202010284898A CN111409922A CN 111409922 A CN111409922 A CN 111409922A CN 202010284898 A CN202010284898 A CN 202010284898A CN 111409922 A CN111409922 A CN 111409922A
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- Prior art keywords
- film
- bag
- packaging
- making
- guide roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
- B65B65/003—Packaging lines, e.g. general layout
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/10—Feeding, e.g. conveying, single articles
- B65B35/20—Feeding, e.g. conveying, single articles by reciprocating or oscillatory pushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/04—Forming flat bags from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
- B65B61/10—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using heated wires or cutters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
The guide roller film-making movable bag-expanding post-treatment film packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with a film roll and a film-conveying mechanism; a transmission belt is arranged beside the film transmission mechanism, and a hot cutting mechanism is fixedly connected between the film transmission mechanism and the transmission belt; the packaging mechanism is provided with a box pushing mechanism; the edge material cutting mechanism is fixedly connected with a bag arranging mechanism; the device directly pushes out the packaging film through the guide roller, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the time for waiting other mechanisms is saved, and the working efficiency is improved; through the movable bag opening mechanism, the packaging film can be continuously made without waiting for the box pushing mechanism to reset, and the production efficiency is increased again; the film arranging mechanism works independently, so that the work of the box pushing mechanism has no pause waiting time, and the work efficiency is increased again.
Description
Technical Field
The invention relates to the field of bag making and packaging, in particular to a guide roller film making, moving, bag expanding, film arranging and packaging mechanism and a bag making and packaging process thereof.
Background
In the manufacturing process, after the film pushing rod pushes the film, the film needs to wait for other fixing mechanisms to fix the double-layer film and then retreat, however, a hot cutter needs to perform hot cutting and edge sealing after the film pushing rod retreats, so that the film manufacturing efficiency by using the film pushing rod is low; in the film making process, bag making and bagging are in the same position, and the next bag making can be carried out only after the articles are bagged and conveyed away and the box pushing mechanism is reset; and part of the bag arranging mechanism and the box pushing mechanism are arranged in the same place, and the box pushing mechanism needs to be reset until the bag arranging mechanism finishes the bag arranging process and the redundant packaging bag cutting process.
Disclosure of Invention
The invention aims to solve the technical problem of providing a guide roller film-making mobile bag-expanding post-processing film-packaging mechanism and a guide roller film-making mobile bag-expanding post-processing film-packaging process, which can effectively solve the problems in the background technology.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the guide roller film-making movable bag-expanding post-treatment film packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with a film roll and a film-conveying mechanism; the film transmission mechanism is provided with a press roller and a guide roller, and the film roll is positioned between the press roller and the guide roller and is in transmission connection; a transmission belt is arranged beside the film transmission mechanism, and a hot cutting mechanism is fixedly connected between the film transmission mechanism and the transmission belt; the bag opening mechanism is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail; the packaging mechanism is provided with a box pushing mechanism; the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a surplus material cutting mechanism and a leftover material removing mechanism; and the rim charge cutting mechanism is fixedly connected with the bag arranging mechanism.
As a further preferable aspect of the present invention, the film roll is a folded double-layer film.
As a further preferable scheme of the invention, the bag opening mechanism is provided with a film opening suction nozzle for fixed connection.
As a further preferable aspect of the present invention, the bag opening mechanism is located between the box pushing mechanism and the rim charge cutting mechanism.
As a further preferable scheme of the invention, a transmission mechanism is arranged between the excess material cutting mechanism and the leftover material removing mechanism and is fixedly connected with the excess material cutting mechanism.
As a further preferable scheme of the invention, the bag-making and packaging process comprises the following steps:
① pushing the film, wherein the guide roller drives the press roller to rotate to push the packaging film onto the conveying belt;
② cutting the film, namely segmenting the film by a hot cutting mechanism through a hot cutter, and carrying out hot edge sealing by the hot cutter;
③ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
④ bagging, wherein the box pushing mechanism pushes the article to be packaged into the packaging film to the end of the packaging film, and one end of the packaging film forms a corner;
⑤ arranging bag, wherein the bag arranging mechanism compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag cling to each other to form a straight line;
⑥ cutting off leftover materials, namely, the excess linear packaging film is thermally sealed by the excess material cutting mechanism by using a hot cutter, and the sealing side of the excess material cutting mechanism cuts off the packaging film to form a corner;
⑦ cutting off leftover materials, wherein the residual material cutting mechanism (5) cuts off the sealed side of the packaging film to form a corner, and the sealed article and the packaging film are transmitted to a leftover material removing mechanism to cut off the corner and carry out heat sealing;
⑧ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
As a further preferable aspect of the present invention, the hot cutting mechanism performs the hot edge sealing using a hot knife.
In a further preferred embodiment of the present invention, the heat-sealed side of the hot knife is heat-sealed to the hot air side of the present packaging bag and to the next packaging bag.
As a further preferable mode of the present invention, the sealed article and the packaging film are transferred to a scrap removing mechanism to cut off the scrap and heat-seal the same
Compared with the prior art, the invention provides the guide roller film-making movable bag-expanding post-processing film-packaging mechanism and the bag-making packaging process thereof, and the guide roller film-making movable bag-expanding post-processing film-packaging mechanism has the following beneficial effects:
the device directly pushes out the packaging film through the guide roller, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the time for waiting other mechanisms is saved, and the working efficiency is improved; through the movable bag opening mechanism, the packaging film can be continuously made without waiting for the box pushing mechanism to reset, and the production efficiency is increased again; the film arranging mechanism works independently, so that the work of the box pushing mechanism has no pause waiting time, and the work efficiency is increased again.
Drawings
FIG. 1 is a schematic view of the overall mechanism of the present invention;
FIG. 2 is a schematic view of a bag making mechanism of the present invention;
FIG. 3 is a process flow diagram of the present invention;
wherein: 1. the bag arranging device comprises a film roll 2, a film conveying mechanism 3, a hot cutting mechanism 4, a box pushing mechanism 5, a cutting mechanism 6 and a bag arranging mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1-3, the invention provides a guide roller film making, moving, bag expanding, film arranging and packaging mechanism, which comprises a bag making mechanism, a bag opening mechanism and a packaging mechanism, and is characterized in that the bag making mechanism is provided with a film roll 1 and a film transmitting mechanism 2; the film transfer mechanism 2 is provided with a press roller and a guide roller, and the film roll 1 is positioned between the press roller and the guide roller and is in transmission connection; a transmission belt is arranged beside the film transmission mechanism 2, and a hot cutting mechanism 3 is fixedly connected between the film transmission mechanism 2 and the transmission belt; the bag opening mechanism is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail; the packaging mechanism is provided with a box pushing mechanism 4; the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a residual material cutting mechanism 5 and a leftover material removing mechanism; the rim charge cutting mechanism is provided with a bag arranging mechanism 6 which is fixedly connected.
As a further preferable aspect of the present invention, the film roll 1 is a folded double-layer film.
As a further preferable scheme of the invention, the bag opening mechanism is provided with a film opening suction nozzle for fixed connection.
As a further preferable aspect of the present invention, the bag opening mechanism is located between the box pushing mechanism and the rim charge cutting mechanism.
As a further preferable scheme of the present invention, a transmission mechanism is arranged between the excess material cutting mechanism 5 and the leftover material removing mechanism for fixed connection.
As a further preferable scheme of the invention, the bag-making and packaging process comprises the following steps:
① pushing the film, wherein the guide roller drives the press roller to rotate to push the packaging film onto the conveying belt;
② cutting the film, namely segmenting the film by a hot cutting knife and carrying out hot edge sealing by the hot cutting knife by the hot cutting mechanism 3;
③ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
④ bagging, wherein the box pushing mechanism 4 pushes the article to be packaged into the packaging film to the end of the packaging film, and one end of the packaging film forms a corner;
⑤ arranging bag, wherein the bag arranging mechanism 6 compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag tightly attached to form a straight line;
⑥ cutting off leftover materials, namely cutting off redundant linear packaging films by the residual material cutting mechanism 5 by using a hot cutter, and carrying out heat sealing on the openings of the packaging bags;
⑦ cutting off leftover materials, wherein the residual material cutting mechanism (5) cuts off the sealed side of the packaging film to form a corner, and the sealed article and the packaging film are transmitted to a leftover material removing mechanism to cut off the corner and carry out heat sealing;
⑧ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
As a further preferable embodiment of the present invention, the hot cutting mechanism 3 performs hot edge sealing by using a hot knife.
In a further preferred embodiment of the present invention, the heat-sealed side of the hot knife is heat-sealed to the hot air side of the present packaging bag and to the next packaging bag.
As a further preferable aspect of the present invention, the sealed article and the packaging film are transferred to a scrap removing mechanism to cut off the edge and heat-seal the edge.
As a specific embodiment of the present invention:
the guide roller of the film transfer mechanism 2 continuously pushes out the folded double-layer film by rotating and utilizing friction force, the hot cutting mechanism 3 carries out hot cutting and edge sealing after the folded double-layer film reaches a specified length to form a single-opening film bag, the film opening suction nozzle adsorbs the upper layer and the lower layer of the film bag to separate the film bag, a small opening or a gap is formed in the bag opening, the upper film clamp and the lower film clamp can clamp the upper film and the lower film of the bag opening, the upper film clamp and the lower film clamp move towards the direction of the box pushing mechanism 4 while opening and opening the bag opening, and the film transfer mechanism 2 can continuously push; when the upper film clamp and the lower film clamp move to the designated positions, the bag openings are expanded to the largest rectangle, the box pushing mechanism 4 pushes the articles to be packaged into the single-opening film bag to the end, the box pushing mechanism 4 resets, and the film conveying mechanism 2 starts to push the films in the next film making period after the box pushing mechanism 4 resets; and when the box pushing mechanism 4 is reset, the redundant parts of the bag opening of the bag arranging mechanism 6 are arranged, the redundant material cutting mechanism is used for cutting, leftover materials are cut after the redundant materials of the bag opening are cut, and finally the process is finished through a thermoplastic molding machine.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The guide roller film-making movable bag-expanding post-treatment film packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with a film roll (1) and a film-conveying mechanism (2); the film transfer mechanism (2) is provided with a press roller and a guide roller, and the film roll (1) is positioned between the press roller and the guide roller and is in transmission connection; a transmission belt is arranged beside the film transmission mechanism (2), and a hot cutting mechanism (3) is fixedly connected between the film transmission mechanism (2) and the transmission belt; the bag opening mechanism is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail; the packaging mechanism is provided with a box pushing mechanism (4); the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a residual material cutting mechanism (5) and a leftover material removing mechanism; the rim charge cutting mechanism is provided with a bag arranging mechanism (6) which is fixedly connected.
2. The guide roller film making, moving, bag expanding, film tidying and packaging mechanism as claimed in claim 1, characterized in that the film roll (1) is a folded double-layer film.
3. The guide roller film making, moving, bag expanding, film tidying and packaging mechanism as claimed in claim 1, wherein the bag opening mechanism is provided with a fixed connection of a film opening suction nozzle.
4. The guide roller film making and moving bag expanding and post-processing film packaging mechanism as claimed in claim 1, wherein the bag opening mechanism is located between the box pushing mechanism and the rim charge cutting mechanism.
5. The guide roller film making, moving, bag expanding, film finishing and packaging mechanism as claimed in claim 1, wherein a transmission mechanism is fixedly connected between the excess material cutting mechanism (5) and the leftover material removing mechanism.
6. The guide roller film making, moving, bag expanding, post-processing and packaging mechanism as claimed in claim 1, wherein the bag making and packaging process comprises the following steps:
① pushing the film, wherein the guide roller drives the press roller to rotate to push the packaging film onto the conveying belt;
② cutting the film, namely segmenting the film by a hot cutting knife by the hot cutting mechanism (3) and carrying out hot edge sealing by the hot cutting knife;
③ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
④ bagging, namely pushing the articles to be packaged into the packaging film by a box pushing mechanism (4) to push the articles to be packaged into the packaging film to the end of the packaging film, and forming a corner at one end of the packaging film, and continuously pushing the articles by the box pushing mechanism (4) to just completely pass through a excess material cutting mechanism (5);
⑤ arranging bag, wherein the bag arranging mechanism (6) compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag cling to each other to form a straight line shape;
⑥ cutting off leftover materials, namely cutting off redundant linear packaging films by a redundant material cutting mechanism (5) by using a hot cutter, and carrying out heat sealing on the openings of the packaging bags;
⑦ cutting off leftover materials, namely cutting off the sealed side of the packaging film by the excess material cutting mechanism (5) to form the leftover bits;
⑧ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
7. The bag-making and packaging process of claim 6, wherein the hot-cutting mechanism (3) uses a hot knife to perform the hot edge sealing.
8. The bag-making and packaging process of claim 6, wherein the heat-sealed edge of the hot knife heat-seals the side edge of the current bag while the side edge of the next bag is heated.
9. The bag-making and packaging process of claim 6, wherein the sealed articles and packaging film are transferred to a trim removal mechanism to cut and heat seal the trim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284898.5A CN111409922A (en) | 2020-04-13 | 2020-04-13 | Guide roller film-making movable bag-expanding post-processing film-packaging mechanism and bag-making packaging process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284898.5A CN111409922A (en) | 2020-04-13 | 2020-04-13 | Guide roller film-making movable bag-expanding post-processing film-packaging mechanism and bag-making packaging process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111409922A true CN111409922A (en) | 2020-07-14 |
Family
ID=71488288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010284898.5A Withdrawn CN111409922A (en) | 2020-04-13 | 2020-04-13 | Guide roller film-making movable bag-expanding post-processing film-packaging mechanism and bag-making packaging process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111409922A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060266188A1 (en) * | 2005-05-25 | 2006-11-30 | Jvm Co., Ltd. | Apparatus for cutting series of medicine packets |
| CN201702974U (en) * | 2010-04-21 | 2011-01-12 | 厦门市三磊包装材料有限公司 | Thermally cutting forming machine for making bag |
| WO2011005958A1 (en) * | 2009-07-08 | 2011-01-13 | Heat Seal Llc | Packaging machine |
| CN103662134A (en) * | 2012-09-04 | 2014-03-26 | 深圳市顺康机电设备有限公司 | Film packaging machine and process |
| CN203975259U (en) * | 2014-06-19 | 2014-12-03 | *** | A kind of film pyrocondensation wrapping machine with sack film opening type enclosed mechanism |
| CN109515801A (en) * | 2017-09-20 | 2019-03-26 | 深圳市富云帝科技有限公司 | Film packaging machine and technology of the package |
-
2020
- 2020-04-13 CN CN202010284898.5A patent/CN111409922A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060266188A1 (en) * | 2005-05-25 | 2006-11-30 | Jvm Co., Ltd. | Apparatus for cutting series of medicine packets |
| WO2011005958A1 (en) * | 2009-07-08 | 2011-01-13 | Heat Seal Llc | Packaging machine |
| CN201702974U (en) * | 2010-04-21 | 2011-01-12 | 厦门市三磊包装材料有限公司 | Thermally cutting forming machine for making bag |
| CN103662134A (en) * | 2012-09-04 | 2014-03-26 | 深圳市顺康机电设备有限公司 | Film packaging machine and process |
| CN203975259U (en) * | 2014-06-19 | 2014-12-03 | *** | A kind of film pyrocondensation wrapping machine with sack film opening type enclosed mechanism |
| CN109515801A (en) * | 2017-09-20 | 2019-03-26 | 深圳市富云帝科技有限公司 | Film packaging machine and technology of the package |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200714 |