CN106739165B - Plastic bag sealing item reversely installs equipment - Google Patents
Plastic bag sealing item reversely installs equipment Download PDFInfo
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- CN106739165B CN106739165B CN201611251281.3A CN201611251281A CN106739165B CN 106739165 B CN106739165 B CN 106739165B CN 201611251281 A CN201611251281 A CN 201611251281A CN 106739165 B CN106739165 B CN 106739165B
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- hot pressing
- driving gear
- erecting bed
- plastic bag
- heating platen
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Abstract
The present invention relates to polybag production equipment technologies,It discloses plastic bag sealing item and equipment is reversely installed,Including erecting bed,There are preceding installing mechanism and rear installing mechanism on erecting bed,Preceding installing mechanism includes plastics deflector roll,Glue spreader and sealing strip roller,There is the clamping plate equipped with clip slot in the one end of erecting bed far from plastics deflector roll,There is supporting rod in erecting bed lower end,There is the mandril equipped with blade on supporting rod,Reciprocating motor is arranged at erecting bed lower part,Reciprocating motor has shaft,There are connecting rod and driving gear in shaft,Rocking bar is hinged between connecting rod and mandril,There is preceding hot pressing mechanism on driving gear,Preceding hot pressing mechanism includes the tracheae and heating platen of through-hole,Tracheae is connected on driving gear,There are suction hole and hot pressing item on heating platen,There is driven gear on the outside of driving gear,There is rear hot pressing mechanism on driven gear,There is suction ventilator on erecting bed,There is blast pipe on suction ventilator,Blast pipe is close to through-hole.By means of the invention it is possible to solve the problems, such as that polybag wrinkles when installing sealing strip.
Description
Technical field
The present invention relates to polybag production equipment technologies, and in particular to a kind of reversed install of plastic bag sealing item sets
It is standby.
Background technology
Polybag is essential article in people's daily life, is often used to contain other articles.Inexpensively, again because of it
The advantages of amount is extremely light, capacity is big, convenient for storing is widely used.Plastics valve bag is by corresponding and can be mutually clamped
Sealing strip realize sealing a kind of packaging bag, can be used for the exterior and interior packing of various small articles.It is produced with food grade materials
Valve bag can store various pot foods, tealeaves, marine product etc., can moisture-proof, waterproof, insect prevention, anti-thing be scattered, have more
The advantages of, purposes is extremely wide.Currently, the sealing strip installation of polybag is mainly operated with installation equipment.
The installation of sealing strip is typically that the inside being directly delivered to sealing strip between double-plastic is installed,
By sealing strip to when being transmitted between double-layer plastic bag, since the gap between double-layer plastic film is relatively narrow, and plastic film has one
Fixed softness, sealing strip across when, be easy to rub with the Plastic film surface of upper and lower layer, plastic film made to roll up
The phenomenon that bent or corrugation, the sealing effect of polybag and the appearance of polybag are influenced, the quality of production of polybag is destroyed.
Invention content
The invention is intended to provide plastic bag sealing item reversely to install equipment, to solve polybag in the process for installing sealing strip
In be easy corrugation the problem of.
In order to achieve the above objectives, basic technology scheme of the invention is as follows：Plastic bag sealing item reversely installs equipment, including
Erecting bed, erecting bed top are equipped with two-sided mounting plate, and the forward and backward two sides of two-sided mounting plate is respectively equipped with preceding installing mechanism and rear peace
Mounting mechanism, preceding installing mechanism include front panel, are rotatably connected to plastics deflector roll and sealing strip roller on front panel, plastics deflector roll and close
Glue spreader is equipped between strip of paper used for sealing roller, the one end of front panel far from plastics deflector roll is equipped with clamping plate, and the upper/lower terminal of clamping plate is equipped with folder
Slot, rear installing mechanism is identical with the structure of preceding installing mechanism, and the lower end of two-sided mounting plate is fixedly connected with supporting rod, on supporting rod
Vertical mandril is slidably connected, the upper end of mandril is fixedly connected with blade, and erecting bed lower part is equipped with reciprocating motor, reciprocating motor
Including shaft, connecting rod and driving gear are fixedly connected in shaft, the one end of connecting rod far from shaft is hinged with rocking bar, and rocking bar is separate
One end of connecting rod and the lower end of mandril are hinged, and the top of driving gear is equipped with preceding hot pressing mechanism, preceding hot pressing mechanism include tracheae and
The lower end of heating platen, tracheae is fixedly connected on driving gear, and tracheae is equipped with through-hole, and being internally provided with for heating platen connects with tracheae
Logical built-in chamber, heating platen are equipped with suction hole and heater, and the left and right both ends of heating platen and upper end are equipped with hot pressing item, knife
Piece is equipped with the driven gear engaged with driving gear on the outside of driving gear between heating platen and clamping plate, driven gear it is upper
Side is equipped with rear hot pressing mechanism, and rear hot pressing mechanism is identical as the structure of preceding hot pressing mechanism, and suction ventilator, suction ventilator are additionally provided on erecting bed
Be equipped with Y shape blast pipe, both ends of the blast pipe far from suction ventilator respectively close in preceding hot pressing mechanism through-hole and rear hot press
Through-hole in structure.
The principle of this programme is：When practical application, the forward and backward two sides of two-sided mounting plate is close to the progress of two layers of plastic film respectively
The installation of strip of paper used for sealing, plastic foil erect movement on two-sided mounting plate.When plastic foil moves, glue spreader is streaked, glue spreader is in plastics
Viscose glue is coated on film, when plastic foil moves at sealing strip roller, sealing strip glides and is adhered to the outside of plastic foil, realizes close
The preliminary installation of strip of paper used for sealing.Since sealing strip is located at the outside of plastic foil, and the outside of sealing strip stops without other plastic foils, sealing
The scope of activities of item is not limited by a space, and therefore, between sealing strip and plastic foil is not susceptible to rub, to effectively avoid plastics
There is the phenomenon that crimping or wrinkling in film.The plastic foil for being stained with sealing strip is moved at clamping plate, the upper/lower terminal difference of plastic foil
It is caught in the clip slot of clamping plate upper and lower end, clip slot enables plastic foil to be clamped and keeps its surfacing, prevents plastic foil from processing
It wrinkles in the process, promotes the quality of production of polybag.For plastic foil when across clip slot, sealing strip is pressed together on modeling by the clip slot of lower end
Expect on film, so that sealing strip is stabilized in plastic film, to ensure the installation quality of sealing strip, prevent sealing strip from falling off.
Two layers of plastic film through clip slot is respectively moved on the heating platen in front and the heating platen at rear.Reciprocating motor work
Make, shaft drives driving gear reciprocating rotary.When driving gear is rotated up, the tracheae in front follow driving gear rotate and
By suction ventilator blast pipe when, blast pipe by the through-hole on tracheae by tracheal strips air-breathing, to built in heating platen
Chamber air-breathing makes to form negative pressure in built-in chamber, and heating platen is able to that plastic foil is adsorbed on surface by suction hole, makes plastic foil end
It is fixed.Meanwhile driven gear follows driving gear to rotate so that the plastic foil at rear is also attracted on the heating platen at rear.
Plastic foil is adsorbed on surface and fixes the end of plastic foil by heating platen.Meanwhile shaft rotates, and connecting rod is made to revolve
Turn, connecting rod above pushes away rocking bar, and to be lifted on mandril, mandril is moved up with cutting blade and cut to the plastic foil of top.By
It is in upright state under clamping of the plastic foil in clip slot and heating platen, is from plastic foil when blade cuts plastic foil
Side is cut, and blade is vertical with the side of plastic foil, and the contact area between plastic foil and blade greatly reduces, consequently facilitating knife
Piece quickly cuts off plastic foil, promotes cutting efficiency.
When reciprocating motor inverts work, shaft reversion, driving gear and driven gear follow shaft to invert, two heating platens
Away from each other, and in the lower section of driving gear and driven gear it meets again.At this point, being adsorbed on the modeling on two heating platens respectively
Material film is able to contact and be bonded to each other, and heater heats hot pressing item, and two layers of plastic membrane pressure is combined by hot pressing item, to press
Polybag is made.Since sealing strip is mounted on the lower end of plastic foil, and the lower end of heating platen and it is not installed with hot pressing item, therefore two
When layer plastic film carries out hot pressing, three ends that sealing strip is only not installed with to polybag press, and polybag is equipped with close
One end of strip of paper used for sealing remains able to open, and is achieved in the making of plastics valve bag.Meanwhile driving gear and driven gear are to backspin
When turning, the blast pipe of tracheae and suction ventilator disconnects, and heating platen loses the negative-pressure sucking to plastic foil.After completing hot pressing, actively
When gear and driven gear rotate again up, surface of heating platen will be no longer attracted to by being pressed molding polybag, to
The polybag being pressed into is set to fall automatically.
Beneficial effects of the present invention：The present invention by sealing strip by, mounted on the outside of plastic foil, avoiding sealing strip and modeling
It rubs between material film, to efficiently solve polybag when installing sealing strip, the problem of being easy curling or wrinkle；Pass through
Clamping of the clamping plate to plastic foil makes the surface of plastic foil keep smooth, to promote the processing quality of polybag, meanwhile, it will be close
Strip of paper used for sealing compresses on the plastic film, prevents sealing strip from falling off；In addition, the absorption by heating platen to plastic foil, makes the end of plastic foil
Portion is fixed, to the cutting conducive to polybag, and the lateral vertical cutting using blade to plastic foil, realize polybag
Quickly cut-out, to promote processing efficiency, also by the rotation of driving gear and driven gear, makes between tracheae and suction ventilator not
Disconnecting is closed and is detached, and realizes the blanking to heating platen to the absorption of plastic foil and to the polybag after hot pressing.
Preferably, as an improvement, press bonding roller is additionally provided between clamping plate and sealing strip roller.Press bonding roller is preliminary by sealing strip
It is pressed on plastic film, then when passing through clamping plate, the clip slot of clamping plate again compresses sealing strip plastic foil, passes through two
Secondary compression operation, ensures to fit closely between sealing strip and plastic foil, sealing strip is effectively prevent to fall off.
Preferably, as an improvement, the surface of press bonding roller is equipped with rubber bumps.When press bonding roller is contacted with plastic foil, rubber
Glue protrusion increases frictional force between the two, so that press bonding roller can push plastic foil forward when rotating, is conducive to modeling
The movement for expecting film, prevents plastic foil from occurring the phenomenon that gets stuck at press bonding roller.
Preferably, as an improvement, the lower section of driving gear is equipped with container.Complete it is hot-forming after polybag from
Dynamic fall in container is collected automatically, manual operation load is reduced, to promote processing efficiency.
Preferably, as an improvement, discharge pipe, one end direction collection of the discharge pipe far from suction ventilator are additionally provided on suction ventilator
Vanning.It completes the polybag after hot pressing to be detached from heating platen and fall, due to polybag lighter weight, is easy to descend slowly and lightly when falling
Outside container, and the discharge pipe being arranged can blow to polybag in container, to prevent polybag from falling in container
Outside is conducive to the collection of polybag.
Preferably, as an improvement, supporting rod is equipped with position-limiting drum, and mandril is upwardly extended through position-limiting drum.Position-limiting drum
Mandril state in a vertical shape can be kept, prevents mandril from position offset occurs after multiple displacement, to ensure that connecting rod can will push up
The periodically vertical upper lift of bar, and realize and the periodicity of polybag is cut.
Preferably, as an improvement, on supporting rod brake pad is equipped with close to the position of blade.More to polybag progress
After secondary cutting, it will be stained with plastic flakes on blade, and influence the cut quality of polybag.Brake pad can rub to blade
Cleaning is wiped, to keep the cleaning of knife face, ensures the cut quality of polybag.
Description of the drawings
Fig. 1 is the structural schematic diagram that plastic bag sealing item of the present invention reversely installs equipment.
Fig. 2 is the vertical view that plastic bag sealing item of the present invention reversely installs equipment.
Fig. 3 is the side view of middle clamp plate of the embodiment of the present invention.
Fig. 4 is the mesh schematic representation of driving gear and driven gear in the embodiment of the present invention.
Fig. 5 is the side view of shaft in the embodiment of the present invention.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Erecting bed 1, two-sided mounting plate 2, front panel 3, plastics deflector roll 4, sealing
It is roller 5, glue spreader 6, press bonding roller 7, clamping plate 8, clip slot 9, supporting rod 10, mandril 11, blade 12, position-limiting drum 13, brake pad 14, past
Compound machine 15, shaft 16, driving gear 17, connecting rod 18, tracheae 19, through-hole 20, heating platen 21, container 22, suction hole 23, hair
Hot device 24, hot pressing item 25, driven gear 26, suction ventilator 27, blast pipe 28, discharge pipe 29, rocking bar 30.
Embodiment is substantially as depicted in figs. 1 and 2：Plastic bag sealing item reversely installs equipment, including erecting bed 1, erecting bed 1
Top is equipped with two-sided mounting plate 2, and the forward and backward two sides of two-sided mounting plate 2 is equipped with preceding installing mechanism and rear installing mechanism successively respectively,
Preceding installing mechanism includes front panel 3, and plastics deflector roll 4 is rotatably connected on front panel 3, and 4 left side of plastics deflector roll is equipped with glue spreader 6,
6 left side of glue spreader is equipped with sealing strip roller 5, and 5 left side of sealing strip roller is equipped with press bonding roller 7, and the surface of press bonding roller 7 is equipped with rubber bumps,
3 left end of front panel is equipped with clamping plate 8, as shown in figure 3, the upper/lower terminal of clamping plate 8 is equipped with clip slot 9, rear installing mechanism and preceding installation
The structure of mechanism is identical, as shown in Figure 1, the lower end of two-sided mounting plate 2 is welded with supporting rod 10,10 top of supporting rod is equipped with friction
Block 14,10 lower part of supporting rod are equipped with position-limiting drum 13, are equipped with mandril 11 in position-limiting drum 13,11 upper end of mandril is welded with blade 12, knife
Piece 12 is located at 3 left side of front panel, and 1 lower part of erecting bed is equipped with reciprocating motor 15, and reciprocating motor 15 includes shaft 16, is gone back in shaft 16
It is welded with connecting rod 18 and driving gear 17, as shown in figure 5,18 upper end of connecting rod is hinged with rocking bar 30,30 upper end of rocking bar and mandril 11
Lower end it is hinged, as illustrated in figure 1 or 4, the top of driving gear 17 is equipped with preceding hot pressing mechanism, and preceding hot pressing mechanism includes tracheae 19
It is welded on driving gear 17 with the lower end of heating platen 21, tracheae 19, tracheae 19 is equipped with through-hole 20, and the inside of heating platen 21 is set
Have a built-in chamber being connected to tracheae 19, heating platen 21 is equipped with suction hole 23 and heater 24, the left and right both ends of heating platen 21 and
Upper end is equipped with hot pressing item 25, and the lower section of driving gear 17 is equipped with container 22, and 17 rear of driving gear is equipped with and driving gear
The top of the driven gear 26 of 17 engagements, driven gear 26 is equipped with rear hot pressing mechanism, the knot of rear hot pressing mechanism and preceding hot pressing mechanism
Structure is identical, and suction ventilator 27 is additionally provided on erecting bed 1, and 27 upper end of suction ventilator is equipped with the blast pipe 28 of Y shape, and blast pipe 28 is far from air draught
The both ends of machine 27 are equipped with respectively close to the through-hole 20 in the through-hole 20 and rear hot pressing mechanism in preceding hot pressing mechanism, 27 lower end of suction ventilator
Discharge pipe 29,29 lower end of discharge pipe is towards container 22.
In the present embodiment, when practical application, the forward and backward two sides of two-sided mounting plate 2 is respectively sealed two layers of plastic film
The installation of item, plastic foil erect movement on two-sided mounting plate 2.When plastic foil moves, streaks glue spreader 6 and coat viscose glue, and
When plastic foil is moved at sealing strip roller 5 afterwards, sealing strip glides and is adhered to the outside of plastic foil, realizes the preliminary peace of sealing strip
Dress.Press bonding roller 7 compresses sealing strip on the plastic film for the first time, and plastic foil is pushed to move to left.Then plastic foil is moved to clamping plate 8
Place, the upper/lower terminal of plastic foil are respectively clamped into the clip slot 9 of 8 upper and lower end of clamping plate, and plastic foil is made to keep flat in process
It is whole.For plastic foil when across clip slot 9, the clip slot 9 of lower end compresses sealing strip on the plastic film again, and sealing strip is enable to consolidate
Prevent sealing strip from falling off to ensure the installation quality of sealing strip in plastic film.
Two layers of plastic film through clip slot 9 is respectively moved on the heating platen 21 in left side.Reciprocating motor 15 works, shaft 16
Drive 17 reciprocating rotary of driving gear.When driving gear 17 is rotated up, tracheae 19 follows driving gear 17 to rotate and pass through
The blast pipe 28 of suction ventilator 27, the air-breathing into tracheae 19 by the through-hole 20 on tracheae 19 of blast pipe 28, to heating platen 21
In built-in chamber air-breathing, and plastic foil is adsorbed on to by suction hole 23 surface of heating platen 21, keeps plastic foil left end solid
It is fixed.Meanwhile driven gear 26 follows driving gear 17 to rotate so that the plastic foil at rear is also attracted to the heating platen 21 at rear
On.
Meanwhile shaft 16 rotates, and connecting rod 18 is made to rotate, and pull and put on rocking bar 30, to be lifted on mandril 11, mandril 11
It is moved up with cutting blade 12 and lateral vertical cutting is carried out to the plastic foil of top.Position-limiting drum 13 limits the position of mandril 11, prevents
Mandril 11 shifts, while brake pad 14 carries out frictional cleaning to blade 12, to ensure cutting matter of the blade 12 to plastic foil
Amount.As shown in figure 4, reciprocating motor 15 inverts, shaft 16 is made to invert, driving gear 17 and driven gear 26 follow shaft 16 anti-
Turn, two heating platens 21 away from each other, and meet again in the lower section of driving gear 17 and driven gear 26.It is adsorbed on two heat
Plastic foil on pressing plate 21 is able to contact and be bonded to each other, and heater 24 heats hot pressing item 25, and hot pressing item 25 is by two layers of plastic
Three side pressures that film is not installed with sealing strip are combined, and are compressed into polybag.Meanwhile the air inlet of tracheae 19 and suction ventilator 27
Pipe 28 disconnects, and heating platen 21 loses the negative-pressure sucking to plastic foil, completes hot pressing.Reciprocating motor 15 makes driving gear 17 and driven
Gear 26 rotates again up, is pressed molding polybag and is fallen automatically.The discharge pipe 29 of suction ventilator 27 is to container
22 blowings, the polybag fallen is blowed into container 22 and is collected.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (7)
1. plastic bag sealing item reversely installs equipment, including erecting bed, the erecting bed top is equipped with two-sided mounting plate, two-sided peace
The forward and backward two sides of loading board is respectively equipped with preceding installing mechanism and rear installing mechanism, it is characterised in that：Preceding installing mechanism includes front
Plate is rotatably connected to plastics deflector roll and sealing strip roller on front panel, and glue spreader is equipped between plastics deflector roll and sealing strip roller, described
The one end of front panel far from plastics deflector roll is equipped with clamping plate, and the upper/lower terminal of clamping plate is equipped with clip slot, and the rear installing mechanism is with before
The structure of installing mechanism is identical, and the lower end of the two-sided mounting plate is fixedly connected with supporting rod, is slidably connected on supporting rod perpendicular
To mandril, the upper end of mandril is fixedly connected with blade, and the erecting bed lower part is equipped with reciprocating motor, and reciprocating motor includes turning
Axis is fixedly connected with connecting rod and driving gear in shaft, and the one end of the connecting rod far from shaft is hinged with rocking bar, and rocking bar is far from even
One end of bar and the lower end of the mandril are hinged, and the top of the driving gear is equipped with preceding hot pressing mechanism, and preceding hot pressing mechanism includes
The lower end of tracheae and heating platen, the tracheae is fixedly connected on driving gear, tracheae be equipped with through-hole, the heating platen it is interior
Portion is equipped with the built-in chamber being connected to tracheae, and heating platen is equipped with suction hole and heater, and the left and right both ends of heating platen and upper end are equal
Equipped with hot pressing item, the blade is equipped between heating platen and clamping plate, on the outside of the driving gear to be engaged with driving gear
The top of driven gear, driven gear is equipped with rear hot pressing mechanism, and rear hot pressing mechanism is identical as the structure of preceding hot pressing mechanism, the peace
Suction ventilator is additionally provided on dress platform, suction ventilator is equipped with the blast pipe of Y shape, and both ends of the blast pipe far from suction ventilator are respectively close to preceding heat
The through-hole in through-hole and rear hot pressing mechanism in press mechanism.
2. plastic bag sealing item according to claim 1 reversely installs equipment, it is characterised in that：The clamping plate and sealing strip
Press bonding roller is additionally provided between roller.
3. plastic bag sealing item according to claim 2 reversely installs equipment, it is characterised in that：The surface of the press bonding roller
Equipped with rubber bumps.
4. plastic bag sealing item according to claim 3 reversely installs equipment, it is characterised in that：Under the driving gear
Side is equipped with container.
5. plastic bag sealing item according to claim 4 reversely installs equipment, it is characterised in that：It is also set on the suction ventilator
There is a discharge pipe, the one end of discharge pipe far from suction ventilator is towards container.
6. plastic bag sealing item according to claim 5 reversely installs equipment, it is characterised in that：The supporting rod is equipped with
Position-limiting drum, the mandril are upwardly extended through position-limiting drum.
7. plastic bag sealing item according to claim 6 reversely installs equipment, it is characterised in that：It is close on the supporting rod
The position of blade is equipped with brake pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251281.3A CN106739165B (en) | 2016-12-30 | 2016-12-30 | Plastic bag sealing item reversely installs equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251281.3A CN106739165B (en) | 2016-12-30 | 2016-12-30 | Plastic bag sealing item reversely installs equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739165A CN106739165A (en) | 2017-05-31 |
| CN106739165B true CN106739165B (en) | 2018-08-10 |
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ID=58928320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251281.3A Active CN106739165B (en) | 2016-12-30 | 2016-12-30 | Plastic bag sealing item reversely installs equipment |
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| CN (1) | CN106739165B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039826A (en) * | 2019-04-30 | 2019-07-23 | 黄劻湛 | A kind of corrugated plastic bag sealing item installation equipment of the anti-cutting of pressurization tension |
| CN113290943B (en) * | 2021-05-12 | 2022-12-16 | 珠海市鼎胜胶粘塑料环保科技有限公司 | Equipment and process for sticking plastic seal of degradable plastic self-sealing bag |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157464B (en) * | 1960-04-20 | 1963-11-14 | Fischer & Krecke Kg | Method and machine for producing a self-adhesive closure and for attaching such closures to bags |
| ZA200101705B (en) * | 2000-03-07 | 2001-08-30 | Hosakawa Yoko Co Ltd | Reclose packaging bag and method for manufacturing same. |
| CN201240520Y (en) * | 2008-05-28 | 2009-05-20 | 增子健太 | Zipper mounting device of vertical packing machine |
| EP2383109B1 (en) * | 2008-11-13 | 2017-06-14 | Totani Corporation | Bag-making machine |
| DE102012025158A1 (en) * | 2012-12-21 | 2014-06-26 | Focke & Co. (Gmbh & Co. Kg) | Method and device for the automatic testing of flat sheet material |
| CN203666019U (en) * | 2013-12-12 | 2014-06-25 | 江阴市汇通包装机械有限公司 | Bag making machine of double-zipper bottom-connection zippered bags |
| CN104441774B (en) * | 2014-12-09 | 2017-02-22 | 揭阳市群星机械实业有限公司 | Automatic plastic bag production line |
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2016
- 2016-12-30 CN CN201611251281.3A patent/CN106739165B/en active Active
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