CN109849101A - Farming land cloth aperture production method and equipment - Google Patents
Farming land cloth aperture production method and equipment Download PDFInfo
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- CN109849101A CN109849101A CN201811617599.8A CN201811617599A CN109849101A CN 109849101 A CN109849101 A CN 109849101A CN 201811617599 A CN201811617599 A CN 201811617599A CN 109849101 A CN109849101 A CN 109849101A
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- roller
- roll
- aperture
- farming land
- land cloth
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- 239000004744 fabric Substances 0.000 title claims abstract description 81
- 238000009313 farming Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000012937 correction Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The present invention relates to farming land cloth aperture production method and equipment, this method is based under roll-to-roll production environment through roll-in mode to farming land cloth aperture.Equipment includes emptying roller and wind-up roll, farming land cloth is released by emptying roller, it is wound on wind-up roll, it and further include the aperture roller press mechanism being distributed between emptying roller and wind-up roll, the aperture roller press mechanism at least has two working rolls being horizontally set on roll-to-roll direction of transfer, and the roller knife and roller pad of cooperation roll-in aperture are respectively arranged on two working rolls, farming land cloth is walked between roller knife and roller pad.The present invention is based under roll-to-roll production environment by roll-in mode to farming land cloth aperture, mechanization aperture is high-efficient, and hole cloth is uniform, solves the problems, such as that existing artificial puncture is tired and aperture is uneven.Device structure is simple, realizes farming land cloth continuity aperture processing, and the spacing of aperture is uniform and adjustable, the operation is stable, reliable, reduction labor intensity and cost of labor, promotion working efficiency.
Description
Technical field
The present invention relates to the production technical fields of farming land cloth, more particularly, to farming land cloth venting techniques field.
Background technique
Farming land cloth is that moisturizing, the heat preservation for seedtime play a very important role, thus farming land cloth is deep at present
It is welcome.However, in actual production, needing to beat implantation hole on farming land cloth, grown to sow or to expose for seedling.It is existing
Implantation hole mode of beating be by manually exposing the farming land cloth completed using cone bar, to obtain implantation hole.There are labor for this mode
Fatigue resistance is big, aperture low efficiency, and the pore size distribution on farming land cloth is uneven, influences to plant.
Summary of the invention
It is an object of the invention to overcome prior art defect, a kind of farming land cloth aperture production method and equipment are provided,
Aperture is facilitated to make, aperture is high-efficient, and hole cloth is uniform.
In order to achieve the above objectives, farming land cloth aperture production method provided by the invention is based under roll-to-roll production environment
By roll-in mode to farming land cloth aperture.
Above scheme is further: the roll-in mode of the aperture at least provides two and is horizontally set on roll-to-roll direction of transfer
Working roll, and be respectively arranged on two working rolls the roller knife and roller pad of cooperation roll-in aperture, the cross of aperture on farming land cloth
To spacing by the longitudinal pitch of the aperture in working roll axially distribution spacing control, farming land cloth of the roller knife on working roll by volume pair
Roll up speed of production control.
Above scheme is further: also processing easy-torn line by roll-in mode on the farming land cloth, the easy-torn line is opposite
Roll-to-roll direction of transfer transverse design, the roll-in of the easy-torn line are processed with roller tooth and roller slot after aperture process.
Above scheme is further: the farming land cloth is the nonwoven fabric of single layer, bilayer or multilayer
In order to achieve the above objectives, farming land cloth aperture making apparatus provided by the invention, the equipment include emptying roller and winding
Roller, farming land cloth are released by emptying roller, are wound on wind-up roll, and further include being distributed in opening between emptying roller and wind-up roll
Hole roller press mechanism, the aperture roller press mechanism at least have two working rolls being horizontally set on roll-to-roll direction of transfer, and at two
The roller knife and roller pad of cooperation roll-in aperture are respectively arranged on working roll, farming land cloth is walked between roller knife and roller pad.
Above scheme is further: to roller, the aperture roller press mechanism further includes being located at roller for the roller knife and roller pad or so
Knife and roller pad are mounted on adjustable lifting seat the upper idler roller and lower idler roller of roller position upper and lower sides wherein going up idler roller,
Lifting seat drives lift adjustment by screw rod；The farming land cloth is drawn across roller knife by the tensioning of upper idler roller and lower idler roller
With roller pad to roller position.
Above scheme is further: the roller knife is mounted on roller tool apron, which is assembled in corresponding work by being arranged
Make on roller, four is installed on roller tool apron, roller knife, four is evenly distributed with roller knife according to working roll rotation direction；The roller pad is mounted on roller pad
On seat, which is assembled on relevant work roller by being arranged, and four roller pads is installed on roller base, four roller pads are according to work
Roller rotation direction is uniformly distributed；Roller pad is cushion, and the shape of roller knife is round, rectangular or cross.
Above scheme is further: it is additionally provided with easy-torn line roller press mechanism between the aperture roller press mechanism and wind-up roll, it should
Easy-torn line roller press mechanism has the roller tooth and roller slot to roller.
Above scheme is further: on releasing bracket, the bottom of the releasing bracket passes through the emptying roller Moveable assembled
Rail structure is mounted in fixing seat, and releasing bracket is driven by motor lead screw mechanism and moved, and the motor lead screw mechanism is according to entangling
Inclined inductor drives releasing bracket, the edge for the farming land cloth that correction inductor detection emptying roller is released.
Above scheme is further: the wind-up roll is mounted on rollover stand, and two symmetrical receipts are arranged on the rollover stand
Winding up roller, two wind-up rolls are with rollover stand rolling transposition.
Farming land cloth aperture production method provided by the invention is based under roll-to-roll production environment through roll-in mode to agriculture
Land used cloth aperture, mechanization aperture is high-efficient, and hole cloth is uniform, solves that existing artificial puncture is tired and aperture is uneven asks
Topic.
Farming land cloth aperture making apparatus provided by the invention, structure is simple, realizes farming land cloth continuity aperture processing,
The spacing of aperture is uniform and adjustable, the operation is stable, reliable, reduction labor intensity and cost of labor, promotion working efficiency.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of farming land cloth aperture making apparatus preferred embodiment of the invention；
Attached drawing 2 is the partial structurtes enlarged diagram of Fig. 1 embodiment；
Attached drawing 3 is the roller knife one schematic shapes of Fig. 1 embodiment；
Attached drawing 4 is the roller knife of Fig. 1 embodiment secondly schematic shapes.
Specific embodiment:
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with abundant
Ground understands the purpose of the present invention, feature and effect.
It should be noted that in the description of the present invention, term " on ", "lower", "left", "right", "vertical", "horizontal",
The direction of the instructions such as "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this is only
For ease of description, rather than indication or suggestion described device or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.
Refering to fig. 1, shown in 2, farming land cloth aperture production method provided by the invention is based under roll-to-roll production environment
By roll-in mode to farming land cloth aperture, the shape in hole be can according to need as round, rectangular, cross or combinations thereof, spirit
Work is changeable, meets needs.Farming land cloth is preferably the nonwoven fabric of single layer, bilayer or multilayer, is also not excluded for being other glue certainly
Film.
The present invention is further, and the roll-in mode of the aperture at least provides two and is horizontally set on roll-to-roll direction of transfer
Working roll, and the roller knife and roller pad for cooperating roll-in aperture are respectively arranged on two working rolls, the transverse direction of aperture on farming land cloth
Spacing is by the longitudinal pitch of the aperture in working roll axially distribution spacing control, farming land cloth of the roller knife on working roll by roll-to-roll
Speed of production control.The spacing of aperture is uniform and adjustable, mechanization aperture, high-efficient, solve existing artificial puncture it is tired and
The problem of aperture unevenness.
Further, farming land cloth aperture production method provided by the invention is also added on farming land cloth by roll-in mode
Work easy-torn line uses to be segmented.The relatively roll-to-roll direction of transfer transverse design of the easy-torn line, the roll-in of the easy-torn line be
After aperture process, processed with roller tooth and roller slot.When facilitating farming land cloth aperture, segmentation ease of use is also promoted.
Refering to fig. 1, shown in 2, farming land cloth aperture making apparatus provided by the invention, the equipment include emptying roller 1 and
Wind-up roll 2, farming land cloth 3 are released by emptying roller 1, are wound on wind-up roll 2, and further include being distributed in emptying roller 1 and winding
Aperture roller press mechanism 4 between roller 2, the aperture roller press mechanism 4 at least have two works being horizontally set on roll-to-roll direction of transfer
Make roller 41, and is respectively arranged the roller knife 42 and roller pad 43 of cooperation roll-in aperture on two working rolls 41.Farming land cloth 3 is in roller knife
It is walked between 42 and roller pad 43, pads 43 roll-ins by roller knife 42 and roller, it can be in 3 aperture of farming land cloth, mechanization aperture, efficiency
Height solves the problems, such as that existing artificial puncture is tired and aperture is uneven.
Shown in Fig. 1,2,3,4, the present embodiment is further: the roller knife 42 and roller pad 43 or so are to roller, the aperture roller
Press mechanism further includes being located at roller knife and roller pad to the upper idler roller 44 and lower idler roller 45 of roller position upper and lower sides, wherein upper idler roller 44
It is mounted on adjustable lifting seat 46, lifting seat 46 drives lift adjustment by screw rod 47, thus can adjust upper 44 He of idler roller
The distance between lower idler roller 45, screw rod 47 can be transmitted by electric or hand driving by bevel gear, be adjusted quite convenient.
The farming land cloth 3 by the tensioning of upper idler roller 44 and lower idler roller 45 be drawn across roller knife 42 and roller pad 43 to roller position,
Embodiment in figure, farming land cloth 3 be pass vertically through roller knife 42 and roller pad 43 to roller position, help to promote aperture quality and effect
Rate.In the present embodiment, the roller knife 42 is mounted on roller tool apron 48, which is assembled in relevant work roller 41 by being arranged
On, four are installed on roller tool apron 48, roller knife 42, four is evenly distributed with roller knife according to working roll rotation direction, i.e., working roll rotates 90 degree and opens
Hole is primary.Corresponding, the roller pad 43 is mounted on roller base 49, which is assembled in relevant work roller 41 by being arranged
On, four roller pads are installed, four roller pads are uniformly distributed according to working roll rotation direction, to cooperate 42 aperture of roller knife to make on roller base 49
Industry.Roller pad 43 is preferably cushion, plays buffering support pad aperture, effective protection roller knife.As shown in Figure 3,4, the shape of roller knife 42
It can be round, rectangular or cross, according to needing to select to install, obtain different hole shapes, meet different occasions and use.Work
When, the transverse direction of aperture can be adjusted by adjusting the axial position of roller tool apron 48 and roller base 49 on relevant work roller 41
Spacing, structure is simple, easy to operate；And it can be by between emptying roller 1 and wind-up roll 2 for the longitudinal pitch of aperture on farming land cloth
Speed of production control.
Fig. 1, shown in 2, in the present embodiment, aperture roller press mechanism 4 has three to be horizontally set on roll-to-roll direction of transfer side by side
Working roll 41, the arrangement roller knife 42 of front and back two obtain front and back aperture operation, and intermediate working roll 41 arranges roller pad 43, in this way before
Roller knife 42 afterwards is respectively cooperating with the roller on intermediate working roll 41 and pads 43 apertures, can be the aperture that laterally or longitudinally misplaces, the shape in hole
Shape is identical or different.The structure effectively promotes aperture efficiency, the operation is stable, reliable, increases the diversity of aperture.Implement in figure
Example lays idler roller 44 and lower idler roller 45 on two groups, two upper installations side by side of idler roller 44 to meet 42 aperture of front and back roller knife
On lifting seat 46, synchronous adjustment tensile force, structure is simple, easy to operate.
Fig. 1, shown in 2, in the present embodiment, easy-torn line roller press mechanism is additionally provided between the aperture roller press mechanism and wind-up roll
5, which has the roller tooth 51 and roller slot 52 to roller.The structure is added on farming land cloth by roll-in mode
Work easy-torn line uses farming land cloth to be segmented.The relatively roll-to-roll direction of transfer transverse design of the easy-torn line, the easy-torn line
Roll-in is processed with roller tooth 51 and roller slot 52 after aperture process, and gap teeth print is obtained, and guarantees that farming land cloth integrally connects
When receiving roll, also convenient for users to tearing along easy-torn line, segmentation uses farming land cloth, increases service efficiency and convenience.
Fig. 1, shown in 2, in the present embodiment, 1 Moveable assembled of emptying roller is on releasing bracket 6, the bottom of the releasing bracket 6
Portion is mounted in fixing seat 7 by rail structure 61, and releasing bracket 6 is driven by motor lead screw mechanism 8 and moved, the motor lead screw
Mechanism 8 drives releasing bracket 6 according to correction inductor 81, and correction inductor 81 detects the side for the farming land cloth that emptying roller is released
Edge.Roll-to-roll feeding situation can be monitored in real time in this way, it is ensured that position of opening is accurate, promotes aperture quality.Embodiment in figure, puts
The clevis arm 62 of auxiliary 1 Moveable assembled of emptying roller is additionally provided on material bracket 6, which is driven by handling cylinder 63.It uses
When, handling cylinder 63 drives clevis arm 62 to open, and emptying roller 1 is facilitated temporarily to hang up clevis arm 62, and handling cylinder 63 drives extension again
Hook arm 62 is closed, and emptying roller 1 can be lifted to the corresponding installation position on releasing bracket 6, loads and unloads relatively lighter, promotion operation
Efficiency.The present embodiment further, is additionally provided with pressure roller bar 64 on the releasing bracket 6, one end of pressure roller bar 64 is hinged on blowing
On bracket 6, the other end of pressure roller bar 64 is equipped with compress idler wheel 65, which is pressed in the farming land installed on emptying roller 1
Yardage roll prevents farming land yardage roll blowing from beating, it is ensured that farming land cloth steadily transmits, and pressure roller bar 64 changes automatic according to the outer diameter of volume
Deflection, it is ensured that compress idler wheel 65 keeps relevant pressure to be pressed on farming land yardage roll, keeps the transmission of farming land cloth lasting, stable.
Fig. 1, shown in 2, in the present embodiment, the wind-up roll 2 is mounted on rollover stand 9, arranged on the rollover stand 9 two it is right
The wind-up roll 2 of title, two wind-up rolls 2 are with 9 rolling transposition of rollover stand.The continuity of production is effectively ensured in the structure, without stopping
Machine roll change.In order to facilitate roll change winding, the present embodiment also further increases automatic cutting scissors 91, realizes quickly cutting wind-up roll 2
On farming land cloth end, or even can also cooperate and reach automatic change of lap operation.
Farming land cloth aperture production method provided by the invention is based under roll-to-roll production environment through roll-in mode to agriculture
Land used cloth aperture, mechanization aperture is high-efficient, and hole cloth is uniform, solves that existing artificial puncture is tired and aperture is uneven asks
Topic.Making apparatus structure is simple, realizes farming land cloth continuity aperture processing, and the spacing of aperture is uniform and adjustable, the operation is stable,
Reliably, labor intensity and cost of labor are reduced, working efficiency is promoted.
Certainly, the figures above only depicts preferred embodiment of the invention, to those skilled in the art
For, it can also be to upper by logical analysis, reasoning, or a limited experiment without departing from present inventive concept and range
Stating embodiment, number of improvements could be made and variation, such modifications and variations all should belong to the scope of protection of present invention.
Claims (10)
1. farming land cloth aperture production method, it is characterised in that: this method is based under roll-to-roll production environment through roll-in side
Formula is to farming land cloth aperture.
2. farming land cloth aperture production method according to claim 1, it is characterised in that: the roll-in mode of the aperture is extremely
Two working rolls being horizontally set on roll-to-roll direction of transfer are provided less, and are respectively arranged cooperation roll-in aperture on two working rolls
Roller knife and roller pad, the horizontal spacing of aperture is by the roller knife on working roll along working roll axially distribution spacing control on farming land cloth
It makes, the longitudinal pitch of aperture is controlled by roll-to-roll speed of production on farming land cloth.
3. farming land cloth aperture production method according to claim 1, it is characterised in that: also pass through on the farming land cloth
Roll-in mode processes easy-torn line, and the relatively roll-to-roll direction of transfer transverse design of the easy-torn line, the roll-in of the easy-torn line is to open
After the process of hole, processed with roller tooth and roller slot.
4. farming land cloth aperture production method according to claim 1 or 2 or 3, it is characterised in that: the farming land cloth is
The nonwoven fabric of single layer, bilayer or multilayer.
5. farming land cloth aperture making apparatus, it is characterised in that: the equipment includes emptying roller and wind-up roll, and farming land cloth is by putting
Expect that roller is released, is wound on wind-up roll, and further include the aperture roller press mechanism being distributed between emptying roller and wind-up roll, this is opened
Hole roller press mechanism at least has two working rolls being horizontally set on roll-to-roll direction of transfer, and is respectively arranged on two working rolls
Cooperate the roller knife and roller pad of roll-in aperture, farming land cloth is walked between roller knife and roller pad.
6. farming land cloth aperture making apparatus according to claim 5, it is characterised in that: the roller knife and roller pad or so pair
Roller, the aperture roller press mechanism further include the upper idler roller and lower idler roller positioned at roller knife and roller pad to roller position upper and lower sides, wherein
Upper idler roller is mounted on adjustable lifting seat, and lifting seat drives lift adjustment by screw rod；The farming land cloth passes through upper
The tensioning of tight roller and lower idler roller be drawn across roller knife and roller pad to roller position.
7. farming land cloth aperture making apparatus according to claim 5 or 6, it is characterised in that: the roller knife is mounted on roller
On tool apron, which is assembled on relevant work roller by being arranged, and four is installed on roller tool apron roller knife, four roller knife according to work
It is uniformly distributed to make roller rotation direction；The roller pad is mounted on roller base, which is assembled on relevant work roller by being arranged, roller
Four roller pads are installed, four roller pads are uniformly distributed according to working roll rotation direction on base；Roller pad is cushion, and the shape of roller knife is circle
Shape, rectangular or cross.
8. farming land cloth aperture making apparatus according to claim 5, it is characterised in that: the aperture roller press mechanism and receipts
Easy-torn line roller press mechanism is additionally provided between winding up roller, which has the roller tooth and roller slot to roller.
9. farming land cloth aperture making apparatus according to claim 5, it is characterised in that: the emptying roller Moveable assembled exists
On releasing bracket, the bottom of the releasing bracket is mounted in fixing seat by rail structure, and releasing bracket is by motor lead screw machine
Structure driving movement, the motor lead screw mechanism drive releasing bracket according to correction inductor, and correction inductor detection emptying roller is released
Farming land cloth edge.
10. farming land cloth aperture making apparatus according to claim 5, it is characterised in that: the wind-up roll, which is mounted on, to be turned over
On pivoted frame, two symmetrical wind-up rolls are arranged on the rollover stand, two wind-up rolls are with rollover stand rolling transposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617599.8A CN109849101A (en) | 2018-12-28 | 2018-12-28 | Farming land cloth aperture production method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617599.8A CN109849101A (en) | 2018-12-28 | 2018-12-28 | Farming land cloth aperture production method and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849101A true CN109849101A (en) | 2019-06-07 |
Family
ID=66892870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617599.8A Pending CN109849101A (en) | 2018-12-28 | 2018-12-28 | Farming land cloth aperture production method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849101A (en) |
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| US4280978A (en) * | 1979-05-23 | 1981-07-28 | Monsanto Company | Process of embossing and perforating thermoplastic film |
| US4610189A (en) * | 1985-07-11 | 1986-09-09 | Moore Business Forms, Inc. | Web perforating utilizing a single perf cylinder and dual anvils |
| US5449482A (en) * | 1993-02-17 | 1995-09-12 | Machine-Service Nv, Naamloze Vennootschap | Method for perforating foil and device using this method |
| JP2007083394A (en) * | 2001-07-03 | 2007-04-05 | Corovin Gmbh | Perforated laminate |
| CN102658987A (en) * | 2012-04-28 | 2012-09-12 | 广东达诚机械有限公司 | Central winding machine |
| CN202873449U (en) * | 2012-10-09 | 2013-04-17 | 鲁东大学 | Roller pin type mulching film perforating machine |
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| CN205386846U (en) * | 2016-02-02 | 2016-07-20 | 淄博金豪塑料新材料有限公司 | Easily tear line pressure roller |
| CN206705348U (en) * | 2017-03-22 | 2017-12-05 | 珠海市旺林包装材料有限公司 | A kind of packaging film rectification machine |
| CN108248118A (en) * | 2017-11-28 | 2018-07-06 | 江阴宝柏包装有限公司 | It is a kind of to form the equipment for easily tearing mark |
-
2018
- 2018-12-28 CN CN201811617599.8A patent/CN109849101A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074599A (en) * | 1976-07-14 | 1978-02-21 | Wood Industries, Inc. | Paper web perforating machine |
| US4280978A (en) * | 1979-05-23 | 1981-07-28 | Monsanto Company | Process of embossing and perforating thermoplastic film |
| US4610189A (en) * | 1985-07-11 | 1986-09-09 | Moore Business Forms, Inc. | Web perforating utilizing a single perf cylinder and dual anvils |
| US5449482A (en) * | 1993-02-17 | 1995-09-12 | Machine-Service Nv, Naamloze Vennootschap | Method for perforating foil and device using this method |
| JP2007083394A (en) * | 2001-07-03 | 2007-04-05 | Corovin Gmbh | Perforated laminate |
| CN102658987A (en) * | 2012-04-28 | 2012-09-12 | 广东达诚机械有限公司 | Central winding machine |
| CN202873449U (en) * | 2012-10-09 | 2013-04-17 | 鲁东大学 | Roller pin type mulching film perforating machine |
| CN205099065U (en) * | 2015-09-08 | 2016-03-23 | 嘉兴市耀阳新材料科技有限公司 | Film conveying straining device |
| CN205386846U (en) * | 2016-02-02 | 2016-07-20 | 淄博金豪塑料新材料有限公司 | Easily tear line pressure roller |
| CN206705348U (en) * | 2017-03-22 | 2017-12-05 | 珠海市旺林包装材料有限公司 | A kind of packaging film rectification machine |
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Application publication date: 20190607 |
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| RJ01 | Rejection of invention patent application after publication |