CN115195266B - Polylactic acid wood pulp water thorn non-woven fabrics composite production device - Google Patents
Polylactic acid wood pulp water thorn non-woven fabrics composite production device Download PDFInfo
- Publication number
- CN115195266B CN115195266B CN202210752300.XA CN202210752300A CN115195266B CN 115195266 B CN115195266 B CN 115195266B CN 202210752300 A CN202210752300 A CN 202210752300A CN 115195266 B CN115195266 B CN 115195266B
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- Prior art keywords
- roller
- composite
- driving
- polylactic acid
- subassembly
- 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.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 17
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 17
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 16
- 241001662103 Cryptocarya corrugata Species 0.000 title claims abstract description 15
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 241000381602 Vachellia nebrownii Species 0.000 title claims description 5
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 description 14
- 238000013329 compounding Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1875—Tensioning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Nonwoven Fabrics (AREA)
Abstract
The utility model relates to the technical field of spunlaced nonwoven fabric, in particular to a polylactic acid wood pulp spunlaced nonwoven fabric composite production device which comprises a machine body, wherein a first discharging component is arranged at the upper part of the machine body, a second discharging component is arranged at the lower part of the machine body, the second discharging component comprises a gluing component, a composite component is arranged in the middle of the machine body, the composite component comprises two composite rollers, a driving component for driving the composite rollers to rotate is arranged at one side of each composite roller, a blocking sucking disc is arranged at two ends of each composite roller, the outer diameter of each blocking sucking disc is larger than the outer diameter of each composite roller, a sucking component is arranged on each blocking sucking disc, a drying component is arranged at one side of the machine body far away from each composite component, and a winding component is further arranged on the machine body.
Description
Technical Field
The utility model relates to the technical field of spunlaced nonwoven fabrics, in particular to a polylactic acid wood pulp spunlaced nonwoven fabric composite production device.
Background
Polylactic acid is prepared from starch raw materials proposed by plant resources, and the common non-woven fabric processing mode is to laminate and solidify the polylactic acid material and the base material together; the Chinese patent application No. 2019211777252 proposes a compound antibacterial nursing pad water thorn rubberizing composite device for nonwoven, including the frame bottom plate, the frame curb plate, first unreel roller, the second unreels roller, the rolling roller, a plurality of transfer drums, rubberizing device, composite device, drying device, rolling roller auxiliary tightening device, control box, the frame bottom plate transversely sets up, the vertical frame curb plate that is equipped with in frame bottom plate upper end one side, the upper most end of frame curb plate is equipped with first unreel roller, through setting up frictioning scraper and glue collecting vat and glue spraying rifle cooperation, can make nonwoven rubberizing more even, can scrape unnecessary glue, but during extrusion compounding, unnecessary glue can extrude from the both sides of squeeze roller, unnecessary glue can adhere on squeeze roller, long-time pile up can influence the normal use of squeeze roller, unnecessary glue drops directly underground in addition, pollute the site environment.
Disclosure of Invention
Accordingly, the utility model aims to provide a polylactic acid wood pulp spunlaced nonwoven fabric composite production device, which aims to solve the problem that excessive glue adheres to a squeeze roller during composite, and long-time accumulation can affect the normal use of the squeeze roller.
Based on the above object, the utility model provides a polylactic acid wood pulp spunlaced nonwoven fabric composite production device, which comprises a machine body, wherein a first discharging component is arranged at the upper part of the machine body, a second discharging component is arranged at the lower part of the machine body, the second discharging component comprises a gluing component, a composite component is arranged in the middle of the machine body, the composite component comprises two composite rollers, one side of each composite roller is provided with a driving component for driving the composite roller to rotate, both ends of each composite roller are provided with a blocking sucker, the outer diameter of each blocking sucker is larger than that of each composite roller, a suction component is arranged on each blocking sucker, a drying component is arranged at one side of the machine body far away from each composite component, and a winding component is also arranged on the machine body.
Optionally, the suction subassembly includes the suction tube, the suction tube is connected with external suction pump, a plurality of suction hole has been seted up to fender sucking disc's outer edge equipartition, the suction hole all with the suction tube is linked together, the suction hole orientation the surface of compound roller.
Optionally, the drive assembly includes driving motor, driving motor slidable installs on the organism, install the drive motor gliding first electric jar in one side of organism, driving motor's output installs the drive band pulley, one compound roller is along vertical direction slidable installs on the organism, install on the organism and drive compound roller gliding second electric jar from top to bottom, install the driving band pulley on the compound roller, the driving band pulley with install the drive belt between the driving band pulley, two drive gear is all installed to compound roller's tip, and first electric jar drives one compound roller slides from top to bottom makes two drive gear meshes or keeps away from mutually.
Optionally, the first discharging component comprises a first discharging roller set and an upper tensioning roller set, and the upper tensioning roller set is used for tensioning the materials discharged by the first discharging roller set.
Optionally, the second discharging component includes a second discharging roller set and a lower tensioning roller set, the lower tensioning roller set is located between the second discharging roller set and the gluing component, and the lower tensioning roller set is used for tensioning materials discharged by the second discharging roller set.
Optionally, the rubber coating subassembly includes the third electric jar, the coating brush head is installed to the output of third electric jar, the scraping plate is installed to one side slidable of the lower part of coating brush head, the coating brush head with install the spring between the scraping plate, the receiving box is installed to the below of coating brush head.
Optionally, the stoving subassembly includes the stoving case, the passageway has been seted up at the middle part of stoving case, the upper and lower both sides of passageway all are equipped with the heater strip, the fan is all installed to the upper and lower both sides of stoving case.
Optionally, the winding assembly comprises a winding motor, and a winding roller is installed at the output end of the winding motor.
The utility model has the beneficial effects that: through being equipped with the fender sucking disc at the both ends of compound roller to set up suction component on keeping off the sucking disc, reduced the residual of glue on compound roller, and then reduced the long-time circumstances of piling up the normal use that influences the squeeze roller on the squeeze roller of glue.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to an embodiment of the utility model;
FIG. 2 is a schematic illustration of a composite assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a pumping assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a retaining chuck according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a driving assembly according to an embodiment of the utility model.
Marked in the figure as:
1. a body; 2. a composite roller; 3. a blocking sucker; 4. a suction tube; 5. a suction hole; 6. a driving motor; 7. a first electric cylinder; 8. a driving belt wheel; 9. a second electric cylinder; 10. a transmission belt wheel; 11. a transmission belt; 12. a transmission gear; 13. a first discharging roller set; 14. an upper tensioning roller set; 15. a second discharging roller set; 16. a lower tension roller set; 17. a third electric cylinder; 18. coating a brush head; 19. a scraping plate; 20. a receiving box; 21. a drying box; 22. a heating wire; 23. a fan; 24. and (5) a wind-up roller.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The utility model provides a polylactic acid wood pulp water thorn nonwoven cloth composite production device, as shown in fig. 1-5, includes organism 1, first blowing subassembly is installed on the upper portion of organism 1, the second blowing subassembly is installed to the lower part of organism 1, the second blowing subassembly includes the rubber coating subassembly, the mid-mounting of organism 1 has the compound subassembly, the compound subassembly includes two compound rollers 2, the drive is installed to one side of compound roller 2 pivoted actuating assembly, keep off sucking disc 3 is all installed at compound roller 2's both ends, keep off sucking disc 3's external diameter is greater than compound roller 2's external diameter, keep off and install suction subassembly on sucking disc 3, organism 1 keeps away from drying unit is installed to compound subassembly's one side, still install the rolling subassembly on the organism 1.
The first discharging assembly unwinds materials to be compounded to the compounding assembly, the second discharging assembly unwinds the base materials to the compounding assembly after coating glue, the driving assembly drives the two compounding rollers 2 to rotate, the two materials are compounded, the extruded glue is sucked away by the sucking assembly during compounding, residues of the glue on the compounding rollers 2 are reduced, then the drying assembly dries the compounded materials, and the winding assembly winds.
In one embodiment, the suction assembly comprises a suction pipe 4, the suction pipe 4 is connected with an external suction pump, a plurality of suction holes 5 are uniformly distributed on the outer edge of the suction baffle disc 3, the suction holes 5 are communicated with the suction pipe 4, and the suction holes 5 face the outer surface of the composite roller 2. The suction pump causes suction to be generated in the suction holes 5, sucking the residual glue away through the suction tube 4.
In one embodiment, the driving assembly comprises a driving motor 6, the driving motor 6 is slidably mounted on the machine body 1, a first electric cylinder 7 for driving the driving motor 6 to slide is mounted on one side of the machine body 1, a driving belt wheel 8 is mounted at the output end of the driving motor 6, one composite roller 2 is slidably mounted on the machine body 1 along the vertical direction, a second electric cylinder 9 for driving the composite roller 2 to slide up and down is mounted on the machine body 1, a driving belt wheel 10 is mounted on the composite roller 2, a driving belt 11 is mounted between the driving belt wheel 8 and the driving belt wheel 10, driving gears 12 are mounted at the end parts of the two composite rollers 2, and the first electric cylinder 7 drives one composite roller 2 to slide up and down, so that the two driving gears 12 are meshed or separated.
During feeding, the second electric cylinder 9 drives the upper composite roller 2 to move upwards, a gap for materials to pass through is formed between the two composite rollers 2, after the materials pass through, the second motor drives the upper composite roller 2 to move downwards, the first electric cylinder 7 drives the driving motor 6 to move, the driving belt 11 is kept in a tensioning state, smooth transmission is guaranteed, the two driving gears 12 are meshed, the driving motor 6 drives the upper composite roller 2 to rotate, and the lower composite roller 2 reversely rotates through gear transmission.
In one embodiment, the first discharging assembly includes a first discharging roller set 13 and an upper tensioning roller set 14, and the upper tensioning roller set 14 tensions the material discharged from the first discharging roller set 13.
In one embodiment, the second discharging assembly includes a second discharging roller set 15 and a lower tensioning roller set 16, the lower tensioning roller set 16 is located between the second discharging roller set 15 and the gluing assembly, and the lower tensioning roller set 16 tensions the material discharged from the second discharging roller set 15.
In one embodiment, the glue spreading assembly comprises a third electric cylinder 17, a coating brush head 18 is mounted at the output end of the third electric cylinder 17, a scraping plate 19 is slidably mounted on one side of the lower part of the coating brush head 18, a spring is mounted between the coating brush head 18 and the scraping plate 19, and a receiving box 20 is mounted below the coating brush head 18.
In one embodiment, the drying assembly comprises a drying box 21, a channel is formed in the middle of the drying box 21, heating wires 22 are arranged on the upper side and the lower side of the channel, and fans 23 are arranged on the upper side and the lower side of the drying box 21.
In one embodiment, the winding assembly includes a winding motor with an output end having a winding roller 24 mounted thereon.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a polylactic acid wood pulp water thorn nonwoven cloth composite production device, includes organism (1), its characterized in that, first blowing subassembly is installed on the upper portion of organism (1), the second blowing subassembly is installed to the lower part of organism (1), the second blowing subassembly includes the rubber coating subassembly, the mid-mounting of organism (1) has the compound subassembly, the compound subassembly includes two compound rollers (2), drive is installed to one side of compound roller (2) pivoted actuating unit, fender sucking disc (3) are all installed at the both ends of compound roller (2), the external diameter that keeps off sucking disc (3) is greater than the external diameter of compound roller (2), keep off and install suction subassembly on sucking disc (3), drying subassembly is installed to one side that organism (1) kept away from the compound subassembly, still install the rolling subassembly on organism (1). The suction assembly comprises a suction pipe (4), the suction pipe (4) is connected with an external suction pump, a plurality of suction holes (5) are uniformly distributed in the outer edge of the suction blocking disc (3), the suction holes (5) are communicated with the suction pipe (4), and the suction holes (5) face the outer surface of the composite roller (2).
2. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 1, wherein the driving assembly comprises a driving motor (6), the driving motor (6) is slidably installed on the machine body (1), a first electric cylinder (7) for driving the driving motor (6) to slide is installed on one side of the machine body (1), a driving belt wheel (8) is installed at the output end of the driving motor (6), one composite roller (2) is slidably installed on the machine body (1) along the vertical direction, a second electric cylinder (9) for driving the composite roller (2) to slide up and down is installed on the machine body (1), a driving belt wheel (10) is installed on the composite roller (2), a driving belt (11) is installed between the driving belt wheel (8) and the driving belt wheel (10), driving gears (12) are installed at the end parts of the two composite rollers (2), and the first electric cylinder (7) drives one composite roller (2) to slide up and down, so that the two driving gears (12) are meshed or kept away from each other.
3. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 1, wherein the first discharging assembly comprises a first discharging roller set (13) and an upper tensioning roller set (14), and the upper tensioning roller set (14) is used for tensioning materials discharged by the first discharging roller set (13).
4. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 1, wherein the second discharging assembly comprises a second discharging roller set (15) and a lower tensioning roller set (16), the lower tensioning roller set (16) is located between the second discharging roller set (15) and the gluing assembly, and the lower tensioning roller set (16) is used for tensioning materials discharged by the second discharging roller set (15).
5. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 4, wherein the gluing component comprises a third electric cylinder (17), a coating brush head (18) is installed at the output end of the third electric cylinder (17), a scraping plate (19) is slidably installed at one side of the lower part of the coating brush head (18), a spring is installed between the coating brush head (18) and the scraping plate (19), and a receiving box (20) is installed below the coating brush head (18).
6. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 1, wherein the drying assembly comprises a drying box (21), a channel is formed in the middle of the drying box (21), heating wires (22) are arranged on the upper side and the lower side of the channel, and fans (23) are arranged on the upper side and the lower side of the drying box (21).
7. The polylactic acid wood pulp spunlaced nonwoven fabric composite production device according to claim 1, wherein the winding assembly comprises a winding motor, and a winding roller (24) is installed at the output end of the winding motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210752300.XA CN115195266B (en) | 2022-06-28 | 2022-06-28 | Polylactic acid wood pulp water thorn non-woven fabrics composite production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210752300.XA CN115195266B (en) | 2022-06-28 | 2022-06-28 | Polylactic acid wood pulp water thorn non-woven fabrics composite production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115195266A CN115195266A (en) | 2022-10-18 |
| CN115195266B true CN115195266B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210752300.XA Active CN115195266B (en) | 2022-06-28 | 2022-06-28 | Polylactic acid wood pulp water thorn non-woven fabrics composite production device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115195266B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116118210B (en) * | 2023-04-18 | 2023-07-28 | 徐州璞素室内装饰材料有限公司 | Wall cloth pressfitting preparation equipment |
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|---|---|---|---|---|
| CN110509653A (en) * | 2019-07-25 | 2019-11-29 | 浙江王金非织造布有限公司 | A kind of composite antibacterial type nursing pad hydro-entangled non-woven fabric glue spreading compound device |
| CN210161731U (en) * | 2019-05-29 | 2020-03-20 | 江苏鑫利龙智能机械有限公司 | Cloth gluing compounding machine |
| CN211390511U (en) * | 2019-08-31 | 2020-09-01 | 嘉兴市明苑纺织股份有限公司 | Preparation device of composite elastic fabric |
| CN112389071A (en) * | 2020-11-09 | 2021-02-23 | 梁伟滨 | Composite device for textile fabric processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPR20010039A1 (en) * | 2001-06-20 | 2002-12-20 | Sasib Labelling Machinery S P A | LABEL TRANSFER ROLLER, IN LABELING MACHINES, AND COLLECTION PROCESS OF GLUE OR ADHESIVE SUBSTANCES. |
| ITFI20030311A1 (en) * | 2003-12-05 | 2005-06-06 | Perini Fabio Spa | REWINDING MACHINE, METHOD FOR THE PRODUCTION OF |
| CN111700734A (en) * | 2020-06-03 | 2020-09-25 | 佛山市拓立迅科技有限公司 | Production facility of panty-shape diapers core |
| CN213138180U (en) * | 2020-07-28 | 2021-05-07 | 江苏坤泰机械有限公司 | Special compounding machine of mattress surface fabric |
| CN113619250B (en) * | 2021-08-12 | 2023-03-24 | 广州凯滤佳无纺布有限公司 | Production method and production equipment of high-strength non-woven fabric |
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2022
- 2022-06-28 CN CN202210752300.XA patent/CN115195266B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210161731U (en) * | 2019-05-29 | 2020-03-20 | 江苏鑫利龙智能机械有限公司 | Cloth gluing compounding machine |
| CN110509653A (en) * | 2019-07-25 | 2019-11-29 | 浙江王金非织造布有限公司 | A kind of composite antibacterial type nursing pad hydro-entangled non-woven fabric glue spreading compound device |
| CN211390511U (en) * | 2019-08-31 | 2020-09-01 | 嘉兴市明苑纺织股份有限公司 | Preparation device of composite elastic fabric |
| CN112389071A (en) * | 2020-11-09 | 2021-02-23 | 梁伟滨 | Composite device for textile fabric processing |
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| Publication number | Publication date |
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| CN115195266A (en) | 2022-10-18 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A composite production device for polylactic acid wood pulp spunlaced nonwoven fabric Effective date of registration: 20231019 Granted publication date: 20230728 Pledgee: Huishang Bank Co.,Ltd. Wuhu Jiuhuashan road sub branch Pledgor: Wuhu leisurely nursing supplies Polytron Technologies Inc. Registration number: Y2023980061995 |
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