CN111976220A - Glue-free film-coated paper straw forming device - Google Patents
Glue-free film-coated paper straw forming device Download PDFInfo
- Publication number
- CN111976220A CN111976220A CN202010957460.9A CN202010957460A CN111976220A CN 111976220 A CN111976220 A CN 111976220A CN 202010957460 A CN202010957460 A CN 202010957460A CN 111976220 A CN111976220 A CN 111976220A
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- Prior art keywords
- heating
- paper
- film
- glue
- rotating
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- 239000010902 straw Substances 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 157
- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000009501 film coating Methods 0.000 claims abstract description 7
- 239000007888 film coating Substances 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims description 57
- 239000003921 oil Substances 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 16
- 238000005507 spraying Methods 0.000 description 12
- 238000003475 lamination Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0095—Making drinking straws
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- Table Equipment (AREA)
Abstract
The invention discloses a glue-free film-coated paper straw forming device, which comprises: the paper straw forming seat is divided into a fixed rotating part and a rotating part, the fixed rotating part comprises a first rotating roller arranged on a fixed motor, the rotating part comprises a rotating base, and a second rotating roller and a rotating motor are respectively arranged on the rotating base; a paper suction pipe winding belt is arranged between the first rotating roller and the second rotating roller, and a heating forming rod is attached to the middle of the paper suction pipe; the paper suction pipe is formed by winding more than two film-coated paper tapes heated by the heating device; an axial moving device is arranged between the fixed rotating part and the rotating part. The invention provides a glue-free film-coated paper straw forming device, which heats a film coating layer by using a heating device, so that the paper straw made of the film coated paper has a firmer and more stable structure, and the paper straw is more sanitary without using glue.
Description
Technical Field
The invention relates to paper straw forming equipment, in particular to a glue-free film-coated paper straw forming device.
Background
The straw, also known as drinking straw, is primarily used to drink the beverage in the cup. At present, the straws on the market are all made of plastics, the plastics can release harmful substances when contacting high temperature, the health of human bodies is influenced, the plastic straws are generally disposable, the environment is polluted after the wastes are abandoned, the problem of environmental pollution is solved well by the paper straws, the paper straws are more environment-friendly in use, convenient to recycle and can replace the plastic straws commonly used at present.
At present, paper straw former on the market mainly includes shutdown mechanism and two rotation rollers that the interval set up, is equipped with the shaping pole between rotating the roller, and the note is walked around on two rotation rollers and finally the winding becomes the paper tube on the shaping pole. In order to avoid the paper suction pipes formed by winding the paper suction pipes, the paper suction pipes are stable in structure, glue is generally adopted for mutual adhesion, but the glue is unsanitary, and the glue is poor in property stability and is easily influenced by factors such as temperature. In view of the above, the present inventors have conducted extensive studies on the above problems, and have made an effort to improve the stability of a paper straw and to avoid the use of glue.
Disclosure of Invention
The invention provides a glue-free coated paper straw forming device, which preheats coated paper by using a heating device, so that the paper straw made of the coated paper has a more stable structure, is not required to be bonded by glue, and the produced coated paper straw is healthier to human bodies.
A no glue drenches membrane paper straw forming device includes: the paper straw forming seat is divided into a fixed rotating part and a rotating part, the fixed rotating part comprises a first rotating roller arranged on a fixed motor, the rotating part comprises a rotating base, a second rotating roller and a rotating motor are respectively arranged on the rotating base, the rotating motor is connected with a screw rod shaft through a steering gear set, and the screw rod shaft is connected with the rack through a threaded pipe; a paper suction pipe winding belt is arranged between the first rotating roller and the second rotating roller, and a heating forming rod is attached to the middle of the paper suction pipe; the paper suction pipe is formed by winding more than two film-coated paper tapes heated by the heating device; the axial moving device is arranged between the fixed rotating part and the rotating part and comprises an axial lead screw, one end of the axial lead screw is connected with the fixed rotating part through a bearing, the axial lead screw is matched with a nut positioned on the rotating part, and a rotating handle is arranged at the outer end of the axial lead screw. The first rotating roller on the fixed motor rotates to enable the second rotating roller to rotate through the paper suction pipe winding belt, the adhesion force between the two film spraying paper belts is adjusted through a rotating handle in the axial moving device, the adhesion angle between the two film spraying paper belts is adjusted through the rotating motor in the rotating part, and finally the two adjacent film spraying paper belts are adhered to each other to form the glue-free film spraying paper suction pipe.
Drench membrane paper tape before the heating through the device that oils, the device that oils includes: the mounting bracket is equipped with the oil ship of soaking in the oil groove on the mounting bracket, and the oil ship laminating drenches membrane paper tape medial surface. And the laminating layer of the laminating paper tape is attached to the oil tanker and is coated with lubricating oil.
The heating device comprises: the first heating device comprises a rod-shaped support connected with the rack, the rod-shaped support is sleeved with more than two horizontal installation shafts, one side of each horizontal installation shaft is connected with a first heating pipe, and the other side of each horizontal installation shaft is connected with an adjusting screw. The number of the first heating devices and the first heating pipes can be adjusted according to actual needs, and the position of the first heating pipes on the rod-shaped bracket can be adjusted by adjusting the screw rods. The laminated paper passes through first heating pipes in more than two first heating devices, wherein the temperature of the first heating devices is controlled between 80 ℃ and 120 ℃. The first heating device plays a role in softening the film coating layer on the film coating paper.
The first heating devices are arranged in front and back; the horizontal installation shafts are more than two and are arranged up and down along the rod-shaped bracket.
The heating device comprises: the second heating device comprises a first support and a second support which are connected through a rotating shaft, a second heating pipe is inserted into the second support, two limiting wheels are axially sleeved on the second heating pipe, and a laminating paper tape is connected between the two limiting wheels in a matched mode. The limiting wheels are arranged in pairs, and the stability of the movement of the laminating paper can be well kept by the aid of the limiting wheels. The temperature of the second heating device is controlled between 180 ℃ and 220 ℃, and the second heating device plays a role in melting the laminating layer on the laminating paper.
The second heating pipes are more than two and are arranged along the axial direction of the second support, and the second heating pipes are correspondingly connected with third heating pipes.
The center of the limiting wheel is provided with a through hole, the diameter of the through hole is larger than that of the second heating pipe, and the limiting wheel is screwed with an adjusting screw rod. The position of the limiting wheel on the second heating pipe can be controlled by loosening the adjusting screw rod.
The heating forming rod comprises a forming rod attached to the inner side face of the laminating paper tape, and a spiral heating pipe is sleeved on the periphery of the forming rod. The temperature of the heating forming rod is controlled to be between 280 ℃ and 320 ℃, and the heating forming rod plays a role in keeping the film lamination layer in a molten state for the film lamination paper.
The first heating device and the second heating device are arranged in a front-back mode, the laminating paper tape sequentially penetrates through the first heating device and the second heating device, and the temperature of the first heating device is lower than that of the second heating device.
The laminating paper tape laminating surface is jointed with the first heating device and the second heating device.
The heating device comprises: the heating box body is internally provided with a heating layer formed by horizontally arranging fourth heating pipes in a layered mode, and the heating layer is matched with and penetrates through the laminating paper tape.
The paper straw forming seat is provided with a tension wheel, and the tightness degree of the belt can be controlled by adjusting the position of the tension wheel on the sliding groove.
A method for forming a glue-free film-coated paper straw comprises the following steps:
the method comprises the following steps: respectively passing more than two film-coated paper tapes through a first heating pipe on a first heating device for heating and softening, and oiling the film-coated surface of the innermost film-coated paper tape by an oiling device before heating;
step two: the film laminating paper tape passing through the first heating device passes through a second heating pipe and a third heating pipe of a second heating device again to melt the film laminating surface, and the cutting-in angle of the film laminating paper tape passing through the second heating device is adjusted through a rotating shaft;
step three: winding the laminating paper tape on a heating forming rod by a paper suction pipe winding belt, and keeping the laminating surface in a molten state by the heating forming rod;
step four: the first rotary roller on the fixed motor rotates to enable the second rotary roller to rotate through the paper suction pipe winding belt, the adhesion force between the two film spraying paper belts is adjusted through the axial moving device, the adhesion angle between the two film spraying paper belts is adjusted through the rotating rotary part, and finally the two adjacent film spraying paper belts are mutually adhered to form the glue-free film spraying paper suction pipe.
From the above embodiments, it is apparent that the present invention has the following advantages:
1. the paper straw is made of the laminating paper, the contact and soaking of the paper base layer and the beverage in the using process can be slowed down by the laminating layer, so that the paper base layer cannot be softened too early, the paper straw can keep enough use strength for a long time, and meanwhile, the paper straw has better degradability and is more environment-friendly because the laminating paper takes paper as a main base material.
2. The invention uses the heating device to preheat the laminating paper, so that the laminating paper is bonded and compounded with each other, the paper suction pipe formed by winding is not easy to scatter, the structure is firmer and more stable, and the paper suction pipe is more sanitary without using glue.
3. According to the invention, the adhesion force between the two film-coated paper tapes is adjusted through the rotary handle in the axial moving device, and the adhesion angle between the two film-coated paper tapes is adjusted through the rotary motor in the rotary part, so that the two adjacent film-coated paper tapes are finally adhered to each other to form the non-adhesive film-coated paper straw, and the device has the advantages of simple operation and high production efficiency.
Drawings
FIG. 1 is a schematic structural view of a glue-free film-coated paper straw forming device according to the present invention;
FIG. 2 is a front view of a heating device in the non-adhesive coated paper straw forming device according to the present invention;
FIG. 3 is a side view of a heating device in the non-glue film-coated paper straw forming device according to the present invention;
FIG. 4 is a schematic structural view of an oiling device in the non-adhesive coated paper straw forming device according to the present invention;
FIG. 5 is a schematic structural view of an axial moving device in the glue-free laminated paper straw forming device of the present invention.
FIG. 6 is a schematic structural view of another heating device in the non-adhesive coated paper straw forming device according to the present invention.
Detailed Description
A glue-free laminated paper straw forming device as shown in fig. 1-5, comprising: the paper straw forming seat comprises a rack 1 and a paper straw forming seat 2, wherein the paper straw forming seat 2 is divided into a fixed rotating part and a rotating part, the fixed rotating part comprises a first rotating roller 3 arranged on a fixed motor 7, the rotating part comprises a rotating base 10, a second rotating roller 4 and a rotating motor 12 are respectively arranged on the rotating base 10, the rotating motor 12 is connected with a screw rod shaft 14 through a steering gear set 13, and the screw rod shaft 14 is connected with the rack 1 through a threaded pipe 15; a paper suction pipe winding belt 5 is arranged between the first rotating roller 3 and the second rotating roller 4, and a heating forming rod 6 is attached to the middle of the paper suction pipe; the paper suction pipe is formed by winding more than two film-coated paper tapes 11 heated by a heating device; an axial moving device is arranged between the fixed rotating part and the rotating part, the axial moving device comprises an axial lead screw 17, one end of the axial lead screw 17 is connected with the fixed rotating part through a bearing 22, the axial lead screw 17 is matched with a nut 18 positioned on the rotating part, and a rotating handle 16 is arranged at the outer end of the axial lead screw 17.
Drench membrane paper tape before the heating through the device that oils, the device that oils includes: the mounting bracket 19 is provided with an oil tanker 21 soaked in the oil groove 20 on the mounting bracket 19, and the oil tanker 21 is attached to the inner side surface of the laminating paper tape 11.
The heating device includes: the first heating device 8, the first heating device 8 includes the rod-like support 81 of connecting frame 1, and the rod-like support 81 cup joints two or more horizontal installation axles 82, and first heating pipe 83 is connected to horizontal installation axle 82 one side, and adjusting screw 84 is connected to the other side. The first heating devices 8 are arranged in front and back; the horizontal mounting shafts 82 are two or more arranged up and down along the rod bracket 81.
The heating device includes: the second heating device 9, the second heating device 9 include first support 91 and second support 92 that the pivot is connected, peg graft the second heating pipe 93 on the second support 92, the second heating pipe 93 has cup jointed two spacing wheels 94 axially, coordinates between two spacing wheels 94 and connects the laminating paper tape 11. The second heating pipes 93 are two or more axially arranged along the second support 92.
The heating forming rod 6 comprises a forming rod 61 attached to the inner side surface of the laminating paper tape, and a spiral heating pipe 62 is sleeved on the periphery of the forming rod 61.
The first heating device 8 and the second heating device 9 are arranged in a front-back mode, the laminating paper tape 11 successively penetrates through the first heating device 8 and the second heating device 9, and the temperature of the first heating device 8 is lower than that of the second heating device 9. The laminating paper tape 11 is attached to the laminating surface of the first heating device 8 and the second heating device 9.
As shown in fig. 6, another heating apparatus of the present invention includes: the heating box body 51 is internally and hierarchically provided with a heating layer formed by horizontally arranging fourth heating pipes 50, and the heating layer is matched with and penetrates through the laminating paper tape 11, so that the heating stability is improved.
A method for forming a glue-free film-coated paper straw comprises the following steps:
the method comprises the following steps: more than two laminated paper tapes 11 respectively pass through a first heating pipe 83 on a first heating device 8 to be heated and softened, and the laminated surface of the innermost laminated paper tape 11 is firstly oiled by an oiling device before being heated;
step two: the laminated paper tape 11 passing through the first heating device 8 passes through the second heating pipe 93 of the second heating device 9 again to melt the laminated surface, and the cutting angle of the laminated paper tape 11 passing through the second heating device 9 is adjusted through the rotating shaft;
step three: winding the laminating paper tape 11 on the heating forming rod 6 by the paper suction pipe winding belt 5, and keeping the heating forming rod 6 in a laminating film surface melting state;
step four: the first rotary roller 3 on the fixed motor 7 rotates to enable the second rotary roller 4 to rotate through the paper suction pipe winding belt 5, the adhesion force between the two film spraying paper belts 11 is adjusted through the axial moving device, the adhesion angle between the two film spraying paper belts 11 is adjusted through the rotating rotary part, and finally the two adjacent film spraying paper belts 11 are mutually adhered to form the glue-free film spraying paper suction pipe.
As the preferred drench membrane paper tape of structure through the device that oils before the heating, the device that oils includes: the mounting bracket 19 is provided with an oil tanker 21 soaked in the oil groove 20 on the mounting bracket 19, and the oil tanker 21 is attached to the inner side surface of the laminating paper tape 11. And the laminating layer of the laminating paper tape is attached to the oil tanker and is coated with lubricating oil. The drench membrane paper after oiling passes first heating device 8 and second heating device 9 in proper order, final winding is on the shaping pole 6 that generates heat, adjust the elasticity degree of tight pulley position control belt 5 on the spout, open heating device earlier, first rotary roller 3 on the fixed motor 7 is rotatory to make second rotary roller 4 rotatory through paper straw winding belt 5, adjust the power of gluing between two drench membrane paper tapes 11 through axial displacement device, and adjust the bonding angle between two drench membrane paper tapes 11 through rotating the rotating part, finally make two adjacent drench membrane paper tapes 11 adhere each other and form no glue and drench membrane paper straw. And winding a plurality of pieces of laminating paper to form laminating paper tubes, and cutting the laminating paper tubes into laminating paper straws by a cutting device.
The number of the first heating devices 8 and the first heating pipes 83 can be adjusted according to the actual requirements, and the position of the first heating pipes 83 on the rod-shaped support 81 can be adjusted by adjusting the screw 84. The laminated paper 11 passes through the first heating pipes 83 in more than two first heating devices 8, wherein the temperature of the first heating devices 8 is controlled between 80 ℃ and 120 ℃. The first heating device 8 plays a role in softening the laminating layer of the laminating paper 11. The temperature of the second heating device 9 is controlled between 180 ℃ and 220 ℃, and the second heating device 9 plays a role in melting the laminating layer on the laminating paper 11. The second heating pipes 93 are more than two and are axially arranged along the second support 92, and the second heating pipes 93 can be connected with third heating pipes according to actual needs. A through hole is drilled in the center of the limiting wheel 94, the diameter of the through hole is larger than that of the second heating pipe 93, and an adjusting screw rod is screwed on the limiting wheel 94. The position of the limiting wheel 94 on the second heating tube 93 can be controlled by loosening the adjusting screw. The temperature of the heating forming rod 6 is controlled to be between 280 ℃ and 320 ℃, and the heating forming rod 6 plays a role in keeping the film lamination layer molten state for the film lamination paper 11.
Preferably, the technician adjusts the temperature of the heating device through the grammage of paper and the grammage of the drench film, wherein the thickness of the paper ranges from 60 to 200 grams per square meter, the thickness of the drench film ranges from 10 to 50 grams per square meter, the paper heating temperature of PE or other petroleum-based drench film materials is controlled between 120 ℃ and 300 ℃, and the paper heating temperature of the bio-based drench film materials is controlled between 100 ℃ and 280 ℃.
Claims (10)
1. A no glue drenches membrane paper straw forming device includes: frame (1) and paper straw shaping seat (2), its characterized in that: the paper straw forming seat (2) is divided into a fixed rotating part and a rotating part, the fixed rotating part comprises a first rotating roller (3) arranged on a fixed motor (7), the rotating part comprises a rotating base (10), a second rotating roller (4) and a rotating motor (12) are respectively arranged on the rotating base (10), the rotating motor (12) is connected with a screw rod shaft (14) through a steering gear set (13), and the screw rod shaft (14) is connected with the rack (1) through a threaded pipe (15); a paper suction pipe winding belt (5) is arranged between the first rotating roller (3) and the second rotating roller (4), and a heating forming rod (6) is attached to the middle of the paper suction pipe; the paper suction pipe is formed by winding more than two film-coated paper tapes (11) heated by a heating device; an axial moving device is arranged between the fixed rotating part and the rotating part and comprises an axial lead screw (17) with one end bearing (22) connected with the fixed rotating part, the axial lead screw (17) is matched with a nut (18) positioned on the rotating part, and a rotating handle (16) is arranged at the outer end of the axial lead screw (17).
2. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 1, wherein: drench membrane paper tape before the heating through the device that oils, the device that oils includes: the oil tanker (21) soaked in the oil groove (20) is arranged on the mounting frame (19), and the inner side face of the film-coated paper tape (11) is attached to the oil tanker (21).
3. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 1, wherein: the heating device comprises: first heating device (8), first heating device (8) including rod-shaped support (81) of connecting frame (1), rod-shaped support (81) cup joint horizontal installation axle (82) more than two, first heating pipe (83) are connected to horizontal installation axle (82) one side, adjusting screw (84) are connected to the opposite side.
4. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 3, wherein: the first heating devices (8) are arranged in front and back; the horizontal mounting shafts (82) are more than two and are arranged up and down along the rod-shaped bracket (81).
5. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 1, wherein: the heating device comprises: the second heating device (9) comprises a first support (91) and a second support (92) which are connected through a rotating shaft, the second support (92) is connected with a second heating pipe (93) in an inserted mode, the second heating pipe (93) is axially sleeved with two limiting wheels (94), and a laminating paper tape (11) is connected between the two limiting wheels (94) in a matched mode.
6. The forming device of the suction pipe of the glue-free laminating paper as claimed in claim 5, wherein: the second heating pipes (93) are more than two and are axially arranged along the second support (92).
7. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 1, wherein: the heating forming rod (6) comprises a forming rod (61) attached to the inner side surface of the laminating paper tape, and a spiral heating pipe (62) is sleeved on the periphery of the forming rod (61).
8. The forming device for suction pipe of glue-free film-coated paper as claimed in claim 3 or 5, wherein: the first heating device (8) and the second heating device (9) are arranged in a front-back mode, the laminating paper tape (11) successively penetrates through the first heating device (8) and the second heating device (9), and the temperature of the first heating device (8) is lower than that of the second heating device (9).
9. The forming device for the suction pipe of the glue-free laminating paper as claimed in claim 1, wherein: the heating device comprises: the heating box body (51), the interior layering of heating box body (51) is equipped with the zone of heating that fourth heating pipe (50) horizontal arrangement constitutes, and the cooperation is crossed on the zone of heating and is drenched membrane paper tape (11).
10. A method for forming a glue-free film-coated paper straw is characterized by comprising the following steps: the method for forming the glue-free film-coated paper straw comprises the following steps:
the method comprises the following steps: more than two film-coated paper tapes (11) respectively pass through a first heating pipe (83) on a first heating device (8) to be heated and softened, and the film-coated surface of the innermost film-coated paper tape (11) is oiled by an oiling device before being heated;
step two: the film laminating paper tape (11) passing through the first heating device (8) passes through a second heating pipe (93) of the second heating device (9) again to melt the film laminating surface, and the cutting angle of the film laminating paper tape (11) passing through the second heating device (9) is adjusted through a rotating shaft;
step three: winding the laminating paper tape (11) on a heating forming rod (6) through a paper suction pipe winding belt (5), wherein the heating forming rod (6) keeps the laminating surface in a molten state;
step four: the first rotating roller (3) on the fixed motor (7) rotates to enable the second rotating roller (4) to rotate through the paper suction pipe winding belt (5), the adhesion force between the two film coating paper tapes (11) is adjusted through the axial moving device, the adhesion angle between the two film coating paper tapes (11) is adjusted through the rotating part, and finally the two adjacent film coating paper tapes (11) are mutually adhered to form the non-adhesive film coating paper suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957460.9A CN111976220A (en) | 2020-09-13 | 2020-09-13 | Glue-free film-coated paper straw forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957460.9A CN111976220A (en) | 2020-09-13 | 2020-09-13 | Glue-free film-coated paper straw forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111976220A true CN111976220A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010957460.9A Pending CN111976220A (en) | 2020-09-13 | 2020-09-13 | Glue-free film-coated paper straw forming device |
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| Country | Link |
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| CN (1) | CN111976220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370587A (en) * | 2021-06-21 | 2021-09-10 | 湖北克拉弗特实业有限公司 | Preparation device of paper straw |
-
2020
- 2020-09-13 CN CN202010957460.9A patent/CN111976220A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370587A (en) * | 2021-06-21 | 2021-09-10 | 湖北克拉弗特实业有限公司 | Preparation device of paper straw |
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Application publication date: 20201124 |