CA2059354A1 - In-line bread bag forming and sealing machine - Google Patents
In-line bread bag forming and sealing machineInfo
- Publication number
- CA2059354A1 CA2059354A1 CA 2059354 CA2059354A CA2059354A1 CA 2059354 A1 CA2059354 A1 CA 2059354A1 CA 2059354 CA2059354 CA 2059354 CA 2059354 A CA2059354 A CA 2059354A CA 2059354 A1 CA2059354 A1 CA 2059354A1
- Authority
- CA
- Canada
- Prior art keywords
- film
- bag
- station
- belt
- spool
- 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.)
- Abandoned
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 10
- 235000008429 bread Nutrition 0.000 title 1
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000010924 continuous production Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
Landscapes
- Making Paper Articles (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
IN-LINE BREAD BAG FORMING AND SEALING MACHINE
Abstract of the Disclosure The present invention relates to a machine for the continuous production of bags of thermosealable material. The machine comprises a first station comprising at least one spool of thermosealable film which is continuously advanced in the machine. The film is folded over itself to form two layers of different widths with the bottom layer protruding beyond an edge of the top layer. A recess forming device is also provided in the first station to form a folded end in the film. A
second station is provided with a cutting device capable of severing the film transversely with respect to its direction of movement as well as reciprocally thermosealing the two layers of the film transversely to produce a bag. The second station further comprises a continuously moving perforated belt on which the bag is disposed and retained on a bag support section thereof by means of a suction device positioned under the belt.
Accordingly, the bags are adhered to the support section of the belt. At a third station, a sealing device is provided as well as a blowing nozzle which blows compressed air in the bag in order to open the bag to enable the insertion of a product therein prior to sealing the bag.
Abstract of the Disclosure The present invention relates to a machine for the continuous production of bags of thermosealable material. The machine comprises a first station comprising at least one spool of thermosealable film which is continuously advanced in the machine. The film is folded over itself to form two layers of different widths with the bottom layer protruding beyond an edge of the top layer. A recess forming device is also provided in the first station to form a folded end in the film. A
second station is provided with a cutting device capable of severing the film transversely with respect to its direction of movement as well as reciprocally thermosealing the two layers of the film transversely to produce a bag. The second station further comprises a continuously moving perforated belt on which the bag is disposed and retained on a bag support section thereof by means of a suction device positioned under the belt.
Accordingly, the bags are adhered to the support section of the belt. At a third station, a sealing device is provided as well as a blowing nozzle which blows compressed air in the bag in order to open the bag to enable the insertion of a product therein prior to sealing the bag.
Description
~ 7 BACKGROUND OE INVENTION
Field of the Invention This invention relates to a machine for the continuous production of bags from thermosealable material.
Description of Prior Art Machines that are capable of creating bags of thermosealable material, for the purpose of packaging products of various shapes and nature, have been known for some time. The machines firstly produce bags in thermosealable material, and afterwards, the same operating machine, or other machinery situated next to the first machine, see to it that the objects to be packaged are inserted i.n the bag or container. The machines then accomplish the final step of sealing the bag. Such known machines are complex in construction and present several functional inconveniences, amongst which is the large amount of waste material. Furthermore, in the event that the production group is disconnected from the packaging group, the problem of storing the packages and the subsequent necessity to feed the packaging machine, also arises. ~
SUMMARY OF INVENTION -A feature of the present invention is to provide a machine which lS capable of forming a plastic thermosealable bag, prepared to receive the packaging product and which is also capable of overcoming the above-mentioned disadvantages of the prior art and which is particularly capable of operating in a continuous and automatic fashion.
According to the present invention, from a broad aspect, the above feature is achieved by a machine comprising three work stations and particularly:
- A first station comprising at least one spool of thermosealable plastic, with means for continuous advancement of the film. The film is formed by a sheet folded over itself and layered at different widths and more particularly with an inferior layer protruding with respect to an exterior layer. Means is provided to form a folded recess in correspondence to the folded sheet.
- A second station has a device to cut the plastic sheet transverseIy with respect to its direction of advancement, and for thermosealing of the layers transversely. This creates a bag. The second station also has a conveyor belt on which the formed bag is supported. The bag adheres strongly to said belt by means of the belt and being perforated and having a suction box thereunder. ~-~
- A third station seals the bag and has means to blow compressed air in the bag to permit the bag to open for the insertion of a product therein prior to sealing.
The machine of the present invention provides the advantage that it does not produce any waste of the thermosealable plastic and furthermore, the bags are formed immediately before the packaging process and, therefore, there is no need to stock up with bags.
Special devices also permit the machine o~ the present invention to operate continuously even when a spool of plastic film runs out and must therefore be replaced by another spool.
A, .
. - :
Z~ 5~
BRIEF DESCRIPTION OF DRAWINGS
These and other features of the present invention will now be described in detail with reference to a preferred embodiment as illustrated by the accompanying drawings in which: -FIGURE 1 is a schematic front view of the machine of the invention, obtained along cross-section lines II-II of Fig. 2;
FIGURE 2 is a schematic top view of the machine of the invention as seen along line III-III of Fig. l;
FIGURE 3 is a fragmented view of the device which permits the creation of the lateral recess, and which is obtained along section lines IV-IV of Fig. 2;
FIGURE 4 is a transverse view of the folded plastic with a recess;
FIGURE 5 is a sectional schematic view of the device which permits the continuous feeding of the film -(the feeding operation is illustrated with the help of the second spool); and FIGURE 6 is a sectional schematic view which represents the cutting area and the transverse thermosealing of the film.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring now to the figures, the machine of the invention uses a single film sheet 1 of plastic thermosealable material, shaped as a sheet folded over itself, and with the inferior layer 1" protruding laterally with respect to the top layer li (see Flgures 2 , and 4). The film 1 is previously rolled up on a spool
Field of the Invention This invention relates to a machine for the continuous production of bags from thermosealable material.
Description of Prior Art Machines that are capable of creating bags of thermosealable material, for the purpose of packaging products of various shapes and nature, have been known for some time. The machines firstly produce bags in thermosealable material, and afterwards, the same operating machine, or other machinery situated next to the first machine, see to it that the objects to be packaged are inserted i.n the bag or container. The machines then accomplish the final step of sealing the bag. Such known machines are complex in construction and present several functional inconveniences, amongst which is the large amount of waste material. Furthermore, in the event that the production group is disconnected from the packaging group, the problem of storing the packages and the subsequent necessity to feed the packaging machine, also arises. ~
SUMMARY OF INVENTION -A feature of the present invention is to provide a machine which lS capable of forming a plastic thermosealable bag, prepared to receive the packaging product and which is also capable of overcoming the above-mentioned disadvantages of the prior art and which is particularly capable of operating in a continuous and automatic fashion.
According to the present invention, from a broad aspect, the above feature is achieved by a machine comprising three work stations and particularly:
- A first station comprising at least one spool of thermosealable plastic, with means for continuous advancement of the film. The film is formed by a sheet folded over itself and layered at different widths and more particularly with an inferior layer protruding with respect to an exterior layer. Means is provided to form a folded recess in correspondence to the folded sheet.
- A second station has a device to cut the plastic sheet transverseIy with respect to its direction of advancement, and for thermosealing of the layers transversely. This creates a bag. The second station also has a conveyor belt on which the formed bag is supported. The bag adheres strongly to said belt by means of the belt and being perforated and having a suction box thereunder. ~-~
- A third station seals the bag and has means to blow compressed air in the bag to permit the bag to open for the insertion of a product therein prior to sealing.
The machine of the present invention provides the advantage that it does not produce any waste of the thermosealable plastic and furthermore, the bags are formed immediately before the packaging process and, therefore, there is no need to stock up with bags.
Special devices also permit the machine o~ the present invention to operate continuously even when a spool of plastic film runs out and must therefore be replaced by another spool.
A, .
. - :
Z~ 5~
BRIEF DESCRIPTION OF DRAWINGS
These and other features of the present invention will now be described in detail with reference to a preferred embodiment as illustrated by the accompanying drawings in which: -FIGURE 1 is a schematic front view of the machine of the invention, obtained along cross-section lines II-II of Fig. 2;
FIGURE 2 is a schematic top view of the machine of the invention as seen along line III-III of Fig. l;
FIGURE 3 is a fragmented view of the device which permits the creation of the lateral recess, and which is obtained along section lines IV-IV of Fig. 2;
FIGURE 4 is a transverse view of the folded plastic with a recess;
FIGURE 5 is a sectional schematic view of the device which permits the continuous feeding of the film -(the feeding operation is illustrated with the help of the second spool); and FIGURE 6 is a sectional schematic view which represents the cutting area and the transverse thermosealing of the film.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring now to the figures, the machine of the invention uses a single film sheet 1 of plastic thermosealable material, shaped as a sheet folded over itself, and with the inferior layer 1" protruding laterally with respect to the top layer li (see Flgures 2 , and 4). The film 1 is previously rolled up on a spool
2'. It is possible to have a second spool 2", which begins unwinding when the spool 2' is used up in order to ~ .
.. . . .
.
2r~7~
guarantee continuous operation. The folded sheet 1 in connection with its folded border, is put in registry with the track of the horizontally unrolled film for the formation of a recess with an end shaped like a fold.
This is achieved by the device 3 (Fig. 3) which is known in the art. As shown in Fig. 3, this is achieved by two superimposed and similar rings 3' and 3" and be-tween which a piston pin 3''' is disposed, so that the film forms a double "S" by passing through the space included between the above-mentioned rings, thus creating the folded border 20.
Below the device 3 is a splicing device 4, which is used to connect the end of the already used film 1 with the film of the other spool 2". The device 4 comprises a pneumatic plug which is positioned in proximity to the end of the film 1 of the first spool 2', to attach its tailing end to the beginning of the film of the second spool 2", thereby permitting the continuous operation of the machine. After the splicing operatlon, the course of the fllm is continuous as illustrated in Fig. 5.
Posltioned below the splicing device 4, there is a group of tensioning and driven rolls 5 capable of positioning the film 1 under the sealing and cutting device 6. The device 6, as shown in Fig. 6, comprises a thermosealable knife 21, whlch acts on an anvil placed opposite thereto and determlnes the cut and the reciprocal seallng of the two layers 1' and 1" of the film 1. The seallng and cutting is effectuated transversely with respec-t to the direction of advancement of the film 3nd thus creates the bag 9. Dlrectly below a, --the cutting/sealing device ~ is a conveyor belt 7 on which the bag formed bag is positioned. The belt 7 is provided with perforations 8 and displaced about a roller by a motor drlve 13. A vacuum chamber is provided under a bag support section of the belt 7 and a suction pump 14 is connected thereto. This will cause the bags 9' and 9"
to adhere to the belt 7.
The bags are positioned in correspondence with the belt 7, which stops so that the tongs system 10, which are operated by an electric valve 11, can grasp the extremity 9''' of the bag 9". At this station, there is also provided a nozzle 12 which blows compressed air into the bag, provoking its inflation and opening thus preparing it for the insertion of a product to be packaged, either manually or by means of an automatic loading device, which is not part of this invention.
Once the product i5 inserted, the tongs 10 proceed to release their grasp and the belt 7 again sets itself in motion, brinying the next bag to be filled to the tongs.
The entire device is supported by a transportable structure 15. The advancing motion of the film is obtained by the motors 16', which are placed directly below the spools, as well as by the motor 16'l, which is positioned directly below the group of rolls 5.
, .
.. . . .
.
2r~7~
guarantee continuous operation. The folded sheet 1 in connection with its folded border, is put in registry with the track of the horizontally unrolled film for the formation of a recess with an end shaped like a fold.
This is achieved by the device 3 (Fig. 3) which is known in the art. As shown in Fig. 3, this is achieved by two superimposed and similar rings 3' and 3" and be-tween which a piston pin 3''' is disposed, so that the film forms a double "S" by passing through the space included between the above-mentioned rings, thus creating the folded border 20.
Below the device 3 is a splicing device 4, which is used to connect the end of the already used film 1 with the film of the other spool 2". The device 4 comprises a pneumatic plug which is positioned in proximity to the end of the film 1 of the first spool 2', to attach its tailing end to the beginning of the film of the second spool 2", thereby permitting the continuous operation of the machine. After the splicing operatlon, the course of the fllm is continuous as illustrated in Fig. 5.
Posltioned below the splicing device 4, there is a group of tensioning and driven rolls 5 capable of positioning the film 1 under the sealing and cutting device 6. The device 6, as shown in Fig. 6, comprises a thermosealable knife 21, whlch acts on an anvil placed opposite thereto and determlnes the cut and the reciprocal seallng of the two layers 1' and 1" of the film 1. The seallng and cutting is effectuated transversely with respec-t to the direction of advancement of the film 3nd thus creates the bag 9. Dlrectly below a, --the cutting/sealing device ~ is a conveyor belt 7 on which the bag formed bag is positioned. The belt 7 is provided with perforations 8 and displaced about a roller by a motor drlve 13. A vacuum chamber is provided under a bag support section of the belt 7 and a suction pump 14 is connected thereto. This will cause the bags 9' and 9"
to adhere to the belt 7.
The bags are positioned in correspondence with the belt 7, which stops so that the tongs system 10, which are operated by an electric valve 11, can grasp the extremity 9''' of the bag 9". At this station, there is also provided a nozzle 12 which blows compressed air into the bag, provoking its inflation and opening thus preparing it for the insertion of a product to be packaged, either manually or by means of an automatic loading device, which is not part of this invention.
Once the product i5 inserted, the tongs 10 proceed to release their grasp and the belt 7 again sets itself in motion, brinying the next bag to be filled to the tongs.
The entire device is supported by a transportable structure 15. The advancing motion of the film is obtained by the motors 16', which are placed directly below the spools, as well as by the motor 16'l, which is positioned directly below the group of rolls 5.
, .
Claims (2)
1. Machine for the continuous production of bags of thermosealable material, characterized in that it comprises a first station comprising at least one spool of thermosealable film, with means for continuous advancement of said film, said film being formed by a sheet folded over itself to form layers of different widths with an inferior layer protruding with respect to the other layer, said first station having a recess forming device to form a folded end with respect to the folded film; a second station having a cutting device capable of cutting said film transversely with respect to its direction of advancement, as well as reciprocally thermosealing said two layers of the film transversely to produce a bag, said second station furthermore comprising a continuously moving belt on which said bag is disposed, said belt having perforations therein and a suction device below a bag support section of said belt and capable of creating a suction through said belt and thus adhering said bag to said belt; a third station having sealing means to seal said bag and means to blow compressed air into said bag in order to open said bag to enable the insertion of a product therein prior to sealing.
2. A machine according to claim 1, characterized in that at least one more spool of film is provided, said one more spool guaranteeing the continuous operation of said machine operation when a first spool is emptied of its film, and splicing means for interconnecting a tailing end of said film of said first spool with a frontal end of said film of said one more spool.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITVI910086A IT1247084B (en) | 1991-05-22 | 1991-05-22 | Machine for the continuous production of bags made of heat-sealable material |
| ITVI91A000086 | 1991-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2059354A1 true CA2059354A1 (en) | 1992-11-23 |
Family
ID=11424653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2059354 Abandoned CA2059354A1 (en) | 1991-05-22 | 1992-01-14 | In-line bread bag forming and sealing machine |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2059354A1 (en) |
| IT (1) | IT1247084B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443208A (en) * | 2021-07-09 | 2021-09-28 | 苏州亚平电子有限公司 | A tectorial membrane sack filling plant for light guide plate |
-
1991
- 1991-05-22 IT ITVI910086A patent/IT1247084B/en active IP Right Grant
-
1992
- 1992-01-14 CA CA 2059354 patent/CA2059354A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443208A (en) * | 2021-07-09 | 2021-09-28 | 苏州亚平电子有限公司 | A tectorial membrane sack filling plant for light guide plate |
| CN113443208B (en) * | 2021-07-09 | 2022-05-24 | 苏州亚平电子有限公司 | A tectorial membrane sack filling plant for light guide plate |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1247084B (en) | 1994-12-12 |
| ITVI910086A1 (en) | 1992-11-22 |
| ITVI910086A0 (en) | 1991-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1787912B1 (en) | Bag with a gas filling compartment, method for manufacturing the same, method for sealing gas in the same and method for packaging the same | |
| US8181433B2 (en) | Method of lap sealing a molten cheese product with non-wax film | |
| US7600360B2 (en) | Flexible packaging | |
| US7032362B2 (en) | Vertical stand-up pouch with integrated reclose strip | |
| US7798715B2 (en) | Composite breathable produce bag with a reinforced mesh sidewall | |
| US5983594A (en) | Adhesively resealable package, method and apparatus | |
| EP2258627B1 (en) | Packaging device and method for packing stacked soft hygienic products into a plastic bag | |
| CA1278210C (en) | Process and apparatus for making a reclosable bag | |
| US20100310198A1 (en) | Plastic bag for stacked soft hygienic products | |
| EP1711337B1 (en) | Application of zippers to a moving film material | |
| WO2002014154A1 (en) | Zipper bag form, fill and seal machine and method | |
| US6991592B2 (en) | Method of folding flat bottom bag | |
| JP2950994B2 (en) | Method and apparatus for automatically sealing a transport bag | |
| US3576154A (en) | Process and apparatus for manufacturing bags comprising a liner bag which protrudes from the opening | |
| KR100758268B1 (en) | Plastic wrap cutting machine | |
| CA2059354A1 (en) | In-line bread bag forming and sealing machine | |
| US3724340A (en) | Process for manufacturing bags comprising a liner bag which protrudes from the opening | |
| JP2002316367A (en) | Apparatus for fitting zipper strip and method for preparing zippered bag | |
| KR102134452B1 (en) | Paper bag manufacturing machine and manufacturing method using thereof | |
| JPH09132213A (en) | Device for manufacturing transport pack | |
| WO1999058323A1 (en) | Method and apparatus for production of bags | |
| WO2002030749A2 (en) | Improvements in or relating to packaging | |
| CN106122685A (en) | Vacuum heat-insulation plate automatic edge sealing Apparatus and method for | |
| JPH0369409A (en) | Bag making, filling and packaging equipment | |
| KR200428372Y1 (en) | Plastic wrap cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |