CN111519421A - Polyester filament non-woven geotextile production is with cutting device - Google Patents
Polyester filament non-woven geotextile production is with cutting device Download PDFInfo
- Publication number
- CN111519421A CN111519421A CN202010637819.4A CN202010637819A CN111519421A CN 111519421 A CN111519421 A CN 111519421A CN 202010637819 A CN202010637819 A CN 202010637819A CN 111519421 A CN111519421 A CN 111519421A
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- Prior art keywords
- wall
- fixed
- base
- polyester filament
- screws
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- 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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- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 239000004746 geotextile Substances 0.000 title claims abstract description 27
- 229920000728 polyester Polymers 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000004744 fabric Substances 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009966 trimming Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/02—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials transversely
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
- D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention belongs to the technical field of slitting devices, and particularly relates to a slitting device for producing polyester filament non-woven geotextile, aiming at the problems that the operation of a trimming device in the patent is troublesome, the fixed-length cutting is inconvenient to realize, and the slitting efficiency is influenced, the invention provides the following scheme. The invention controls the extension of the piston rod of the electric push rod to press the cloth, and can cut the cloth, thereby having simple operation, realizing automatic measurement of the cloth, facilitating fixed-length cutting and improving the cutting efficiency.
Description
Technical Field
The invention relates to the technical field of slitting devices, in particular to a slitting device for producing polyester filament non-woven geotextile.
Background
The geotextile is divided into woven geotextile and non-woven geotextile, the geotextile has excellent filtering, isolating, reinforcing and protecting effects, high tensile strength, good permeability, high temperature resistance, freezing resistance, aging resistance and corrosion resistance, the polyester filament non-woven geotextile is used as one of the geotextiles, and a slitting device is required to be used for slitting in the production process of the geotextile.
Through retrieval, chinese patent publication No. CN109399317A discloses a cloth pressing and cutting device for geotextile production, which comprises a table top, wherein a support frame is fixed on the fixed block, a fixed rod is fixed on the table top, a fixed plate is fixed on the fixed rod, a chute is fixed on the support frame and the fixed plate, and a slide block is fixed in the chute.
The side cut device in the above-mentioned patent operation is more troublesome, and inconvenient realization fixed length cutting influences the efficiency of cutting, obviously can't satisfy people's user demand already.
Disclosure of Invention
Based on the technical problems that the edge cutting device in the patent is troublesome to operate, is inconvenient to realize fixed-length cutting and influences the cutting efficiency, the invention provides the cutting device for producing the polyester filament non-woven geotextile.
The invention provides a slitting device for producing polyester filament non-woven geotextile, which comprises a base, wherein the outer wall of the top of the base is provided with a mounting groove, the inner wall of the mounting groove is provided with a slitting table, the outer wall of the top of the slitting table is provided with a trapezoidal groove, the four corners of the outer wall of the top of the slitting table are respectively fixed with an L-shaped plate through screws, the inner wall of the top of the L-shaped plate is fixed with an electric push rod through screws, one end of a piston rod of the electric push rod is fixed with a pressure plate through screws, one side of the outer wall of the top of the base is fixed with a first electric control slide rail through screws, the inner wall of the first electric control slide rail is connected with a first slide block in a sliding manner, the outer wall of one side of the first slide block is provided with a second contact, the outer wall of the other side of the first slide, one end of the electric telescopic rod piston rod is fixed with a clamping plate through a screw, the outer wall of the clamping plate is provided with inverted teeth, the outer wall of the top, close to one side of the first electric control slide rail, of the base is provided with a mounting plate, the outer wall of the mounting plate is provided with a first contact, and the first contact is matched with a second contact.
Preferably, the both sides of base bottom outer wall all are provided with the supporting leg, and the bottom outer wall of supporting leg is provided with the backup pad, and the bottom outer wall of backup pad is provided with fixed suction cup.
Preferably, the same portal frame is arranged on the outer walls of two sides of the base, a second electronic control slide rail is arranged on the inner wall of the top of the portal frame, a second slide block is connected to the inner wall of the second electronic control slide rail in a sliding mode, a hydraulic rod is arranged on the outer wall of the bottom of the second slide block, and a splitting mechanism is fixed to one end of a piston rod of the hydraulic rod through a screw.
Preferably, cut the mechanism and include the fixed block, and one side outer wall of fixed block has the motor through the fix with screw, and the output shaft of motor has the branch cutter through the coupling joint.
Preferably, the outer wall of the top of the portal frame is fixed with a dust collection box through a screw, the inner wall of the bottom of the dust collection box is provided with a dust collection pump, the input end of the dust collection pump is sleeved with a hose, one end, far away from the dust collection pump, of the hose is sleeved with a second dust collection head, and the second dust collection head is fixed on the fixing frame through a screw.
Preferably, the outer wall of one side of the base is fixed with support rods through screws, and the outer wall of the opposite side of the two support rods is connected with the same cloth laying roller through a bearing.
Preferably, two cloth guide rollers are fixed on the other side of the outer wall of the top of the base through screws, and the two cloth guide rollers are located on two sides of the outer wall of the top of the base.
Preferably, five to ten fixing holes are formed in the inner wall of the bottom of the trapezoidal groove and are distributed at equal intervals, and first dust suction heads are inserted into the inner walls of the fixing holes.
Preferably, two the relative one side outer wall of supporting leg all is through the connecting plate that the screw fixation has the level to set up, and the top outer wall of connecting plate is provided with the storage box.
The beneficial effects of the invention are as follows:
1. this polyester filament non-woven geotechnological cloth production is with cutting device, through being provided with first automatically controlled slide rail, splint, first contact, second contact and electric putter, control electric telescopic handle piston rod extension, two splint rotate relatively and carry out the centre gripping to the cloth fixed, the in-process barb of centre gripping can play good non-slip effect, control first slider slides in first automatically controlled slide rail and can stimulate the cloth and carry out the blowing, contact when first contact and second contact, it draws appointed length to explain the cloth, control electric putter piston rod extension pressure disk can compress tightly the cloth, can cut this moment, and easy operation, the automatic measurement of cloth has been realized, conveniently carry out the fixed length cutting, the efficiency of cutting has been improved.
2. This polyester filament non-woven geotechnological cloth production is with cutting device through being provided with first dust absorption head and second dust absorption head, connects the dust catcher with first dust absorption head and can realize carrying out the dust absorption from the bottom of cutting department, and dust absorption pump work can carry out the dust absorption through the second dust absorption head, can absorb the piece that flies upward when cutting, plays good dust absorption effect, and the most dust that produces when conveniently will cutting is handled, has reduced workshop environment's pollution.
3. This device is cut with production of polyester filament non-woven geotechnological cloth through being provided with fixed suction cup and storage box, can carry out the absorption firmly with the device through fixed suction cup and fix, has improved the stability that the device work is, can in time save the cloth after cutting through the storage box, and it is very convenient to save, has improved the convenience of workman's operation.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic overall structure diagram of a slitting device for producing polyester filament non-woven geotextile according to the present invention;
fig. 2 is a schematic structural view of a slitting table of the slitting device for producing the polyester filament non-woven geotextile, which is provided by the invention;
fig. 3 is a perspective view of a base structure of the slitting device for producing the polyester filament non-woven geotextile according to the present invention;
fig. 4 is an enlarged view of a structure of a clamping plate of the slitting device for producing the polyester filament non-woven geotextile according to the present invention;
fig. 5 is a side view of a portal frame structure of the slitting device for producing the polyester filament non-woven geotextile provided by the invention.
In the figure: the device comprises a supporting plate 1, a connecting plate 2, a storage box 3, a fixed sucker 4, a supporting leg 5, a base 6, a cloth placing roller 7, a cloth guide roller 8, a slitting table 9, a portal frame 10, a clamping plate 11, a fixed block 12, a first sliding block 13, a mounting plate 14, a 15L-shaped plate, a first dust suction head 16, an electric push rod 17, a pressure plate 18, a trapezoidal groove 19, a first electric control sliding rail 20, a first contact 21, a positioning plate 23, an electric telescopic rod 24, a pawl 25, a hydraulic rod 26, a second sliding block 27, a dust suction pump 28, a dust collection box 29, a second electric control sliding rail 30, a hose 31, a fixed frame 32, a motor 33, a slitting knife 34, a second dust suction head 35 and a second contact 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a cutting device for producing polyester filament non-woven geotextile, comprising a base 6, wherein the top outer wall of the base 6 is provided with a mounting groove, the inner wall of the mounting groove is provided with a cutting table 9, the top outer wall of the cutting table 9 is provided with a trapezoidal groove 19, the four corners of the top outer wall of the cutting table 9 are all fixed with an L-shaped plate 15 by screws, the top inner wall of the L-shaped plate 15 is fixed with an electric push rod 17 by screws, one end of a piston rod of the electric push rod 17 is fixed with a pressure plate 18 by screws, one side of the top outer wall of the base 6 is fixed with a first electric control slide rail 20 by screws, the inner wall of the first electric control slide rail 20 is connected with a first slide block 13 in a sliding manner, the outer wall of one side of the first slide block 13 is provided with a second contact 36, the outer wall of the other side of, and the outer wall of locating plate 23 articulates there is electric telescopic handle 24, and the one end of electric telescopic handle 24 piston rod is fixed with splint 11 through the screw, and the outer wall of splint 11 is provided with pawl 25, and the top outer wall that base 6 is close to first automatically controlled slide rail 20 one side is provided with mounting panel 14, and the outer wall of mounting panel 14 is provided with first contact 21, first contact 21 and second contact 36 looks adaptation.
In the invention, supporting legs 5 are arranged on two sides of the outer wall of the bottom of the base 6, a supporting plate 1 is arranged on the outer wall of the bottom of each supporting leg 5, and a fixed sucker 4 is arranged on the outer wall of the bottom of each supporting plate 1.
In the invention, the same portal frame 10 is arranged on the outer walls of two sides of the base 6, the inner wall of the top of the portal frame 10 is provided with a second electronic control slide rail 30, the inner wall of the second electronic control slide rail 30 is connected with a second slide block 27 in a sliding manner, the outer wall of the bottom of the second slide block 27 is provided with a hydraulic rod 26, and one end of a piston rod of the hydraulic rod 26 is fixed with a slitting mechanism through a screw.
In the invention, the slitting mechanism comprises a fixed frame 32, a motor 33 is fixed on the outer wall of one side of the fixed frame 32 through a screw, and an output shaft of the motor 33 is connected with a slitting knife 34 through a coupling.
In the invention, a dust collection box 29 is fixed on the outer wall of the top of the portal frame 10 through screws, a dust collection pump 28 is arranged on the inner wall of the bottom of the dust collection box 29, a hose is sleeved on the input end of the dust collection pump 28, a second dust collection head 35 is sleeved on one end, far away from the dust collection pump 28, of the hose, and the second dust collection head 35 is fixed on a fixing frame 32 through screws.
In the invention, the outer wall of one side of the base 6 is fixed with the support rods through screws, and the outer wall of the opposite side of the two support rods is connected with the same cloth laying roller 7 through a bearing.
In the invention, two cloth guide rollers 8 are fixed on the other side of the outer wall of the top of the base 6 through screws, and the two cloth guide rollers 8 are positioned on two sides of the outer wall of the top of the base 6.
In the invention, five to ten fixing holes are formed in the inner wall of the bottom of the trapezoidal groove 19 and are distributed at equal intervals, and the first dust suction head 16 is inserted into the inner wall of each fixing hole.
When the cloth cutting device is used, the extension of a piston rod of the electric telescopic rod 24 is controlled, the two clamping plates 11 rotate relatively to clamp and fix cloth, the barb 25 can play a good anti-slip effect in the clamping process, the first sliding block 13 is controlled to slide in the first electric control sliding rail 20 to pull the cloth to discharge, when the first contact 21 is in contact with the second contact 36, the cloth is pulled to a specified length, the piston rod extension pressing plate 18 of the electric push rod 17 is controlled to compress the cloth, after the cloth is compressed, the piston rod extension of the hydraulic rod 26 is controlled, the motor 33 is controlled to work and adjust the cutting angle of the slitting knife 34, the second sliding block 27 is controlled to slide in the second electric control sliding rail 30, and the slitting knife 34 can cut the cloth in a sliding mode in a straight line, so that the.
Example 2:
referring to fig. 1, a device is cut with production of polyester filament non-woven geotechnique's cloth, this embodiment compares in embodiment 1, still includes that two supporting legs 5 relative one side outer wall all have the connecting plate 2 of level setting through the fix with screw, and the top outer wall of connecting plate 2 is provided with storage box 3.
After the cloth is cut, the work can be smoothly placed in the storage box 3 for storage, the cloth after being cut is convenient to timely process, the storage is very convenient, and the convenience of operation of workers is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a polyester filament non-woven geotextile production is with cutting device, includes base (6), its characterized in that, the top outer wall of base (6) has seted up the mounting groove, and the inner wall of mounting groove is provided with cuts platform (9), the top outer wall of cutting platform (9) has seted up trapezoidal recess (19), and the four corners department of cutting platform (9) top outer wall all has L shaped plate (15) through the fix with screw, the top inner wall of L shaped plate (15) has electric putter (17) through the fix with screw, and the one end of electric putter (17) piston rod has pressure disk (18) through the fix with screw, one side of base (6) top outer wall has first automatically controlled slide rail (20) through the fix with screw, and the inner wall sliding connection of first automatically controlled slide rail (20) has first slider (13), one side outer wall of first slider (13) is provided with second contact (36), a fixed block (12) is arranged on the outer wall of the other side of the first sliding block (13), a positioning plate (23) is fixed on the outer wall of the top and the outer wall of the bottom of the fixed block (12) through screws, an electric telescopic rod (24) is hinged to the outer wall of the positioning plate (23), a clamping plate (11) is fixed on one end of a piston rod of the electric telescopic rod (24) through screws, inverted teeth (25) are arranged on the outer wall of the clamping plate (11), a mounting plate (14) is arranged on the outer wall of the top of one side, close to the first electric control sliding rail (20), of the base (6), a first contact (21) is arranged on the outer wall of the mounting plate (14), the first contact (21) is matched with a second contact (36), the outer walls of two sides of the base (6) are provided with the same portal frame (10), a second electric control sliding rail (30) is arranged on the inner wall of the top of, the bottom outer wall of second slider (27) is provided with hydraulic stem (26), and the one end of hydraulic stem (26) piston rod is passed through the fix with screw and is had the mechanism of cutting, cut the mechanism and include fixed frame (32), and the fix with screw has motor (33) on one side outer wall of fixed frame (32), and there is branch cutter (34) output shaft of motor (33) through the coupling joint.
2. The slitting device for the polyester filament non-woven geotextile production according to claim 1, wherein the supporting legs (5) are arranged on both sides of the bottom outer wall of the base (6), the supporting plate (1) is arranged on the bottom outer wall of each supporting leg (5), and the fixing suction cups (4) are arranged on the bottom outer wall of each supporting plate (1).
3. The slitting device for the polyester filament non-woven geotextile production according to claim 1, wherein a dust collection box (29) is fixed on the outer wall of the top of the portal frame (10) through screws, a dust collection pump (28) is arranged on the inner wall of the bottom of the dust collection box (29), a hose is sleeved on the input end of the dust collection pump (28), a second dust collection head (35) is sleeved on one end, far away from the dust collection pump (28), of the hose, and the second dust collection head (35) is fixed on the fixing frame (32) through screws.
4. The slitting device for the polyester filament non-woven geotextile production according to claim 1, wherein the outer wall of one side of the base (6) is fixed with support rods through screws, and the outer wall of the opposite side of the two support rods is connected with the same cloth laying roller (7) through a bearing.
5. The slitting device for the polyester filament non-woven geotextile production according to claim 1, wherein two cloth guide rollers (8) are fixed on the other side of the top outer wall of the base (6) through screws, and the two cloth guide rollers (8) are positioned on two sides of the top outer wall of the base (6).
6. The slitting device for the polyester filament non-woven geotextile production according to claim 1, wherein five to ten fixing holes are formed in the inner wall of the bottom of the trapezoidal groove (19) and are distributed at equal intervals, and the first dust suction head (16) is inserted into the inner wall of each fixing hole.
7. The slitting device for the polyester filament non-woven geotextile production according to claim 2, wherein the outer wall of one side opposite to the two support legs (5) is fixed with a horizontally arranged connecting plate (2) through screws, and the outer wall of the top of the connecting plate (2) is provided with a storage box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637819.4A CN111519421B (en) | 2020-07-06 | 2020-07-06 | Polyester filament non-woven geotextile production is with cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637819.4A CN111519421B (en) | 2020-07-06 | 2020-07-06 | Polyester filament non-woven geotextile production is with cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN111519421A true CN111519421A (en) | 2020-08-11 |
| CN111519421B CN111519421B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010637819.4A Active CN111519421B (en) | 2020-07-06 | 2020-07-06 | Polyester filament non-woven geotextile production is with cutting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550044A (en) * | 2021-07-21 | 2021-10-26 | 安徽省太和县众友筛网滤布制造有限公司 | Production process of high-strength double-layer centrifuge filter cloth |
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| US4088049A (en) * | 1975-11-10 | 1978-05-09 | Benedict John P | Material cutting apparatus |
| JP5791775B1 (en) * | 2014-09-22 | 2015-10-07 | 株式会社ナムックス | Roll-out lamination equipment |
| CN109399317A (en) * | 2018-11-21 | 2019-03-01 | 盐城市华志工程材料有限公司 | A kind of geotextiles production compress cloth-cutting apparatus |
| CN208586449U (en) * | 2018-08-08 | 2019-03-08 | 江西兄达纺织有限公司 | A kind of textile equipment has the textile cloth Scissoring device of dedusting function |
| CN209873424U (en) * | 2019-04-29 | 2019-12-31 | 江西恒邦纺织有限公司 | Weaving is with weaving cloth cutting device that has dust removal function |
| CN210215974U (en) * | 2019-05-23 | 2020-03-31 | 福建省德鲁士润滑油有限公司 | Quantitative cutting device for carbon fiber cloth |
| CN210916761U (en) * | 2019-07-16 | 2020-07-03 | 绍兴市金桥伞业有限公司 | Convenient to use's fabric cutting machine that has function of smoothing out with fingers |
-
2020
- 2020-07-06 CN CN202010637819.4A patent/CN111519421B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088049A (en) * | 1975-11-10 | 1978-05-09 | Benedict John P | Material cutting apparatus |
| JP5791775B1 (en) * | 2014-09-22 | 2015-10-07 | 株式会社ナムックス | Roll-out lamination equipment |
| CN208586449U (en) * | 2018-08-08 | 2019-03-08 | 江西兄达纺织有限公司 | A kind of textile equipment has the textile cloth Scissoring device of dedusting function |
| CN109399317A (en) * | 2018-11-21 | 2019-03-01 | 盐城市华志工程材料有限公司 | A kind of geotextiles production compress cloth-cutting apparatus |
| CN209873424U (en) * | 2019-04-29 | 2019-12-31 | 江西恒邦纺织有限公司 | Weaving is with weaving cloth cutting device that has dust removal function |
| CN210215974U (en) * | 2019-05-23 | 2020-03-31 | 福建省德鲁士润滑油有限公司 | Quantitative cutting device for carbon fiber cloth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550044A (en) * | 2021-07-21 | 2021-10-26 | 安徽省太和县众友筛网滤布制造有限公司 | Production process of high-strength double-layer centrifuge filter cloth |
| CN113550044B (en) * | 2021-07-21 | 2022-09-30 | 安徽省太和县众友筛网滤布制造有限公司 | Production process of high-strength double-layer centrifuge filter cloth |
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| Publication number | Publication date |
|---|---|
| CN111519421B (en) | 2020-10-30 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A slitting device for the production of polyester filament non-woven geotextile Effective date of registration: 20230822 Granted publication date: 20201030 Pledgee: Shouguang zhangnongshang Village Bank Co.,Ltd. Pledgor: Weifang tuowang Industry Co.,Ltd. Registration number: Y2023980053293 |
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