CN112695459A - Full-automatic non-woven down filling method - Google Patents
Full-automatic non-woven down filling method Download PDFInfo
- Publication number
- CN112695459A CN112695459A CN202011515764.6A CN202011515764A CN112695459A CN 112695459 A CN112695459 A CN 112695459A CN 202011515764 A CN202011515764 A CN 202011515764A CN 112695459 A CN112695459 A CN 112695459A
- Authority
- CN
- China
- Prior art keywords
- melt
- die head
- blown
- suction fan
- forming machine
- 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.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
Abstract
The invention belongs to the technical field of automatic velvet filling, and relates to a full-automatic non-woven velvet filling method. The method comprises the following steps: the method comprises the following steps that a first melt-blowing die head and a second melt-blowing die head are arranged above a web former and at two ends of the web former, a down filling conveying pipeline is arranged between the first melt-blowing die head and the second melt-blowing die head, a suction fan is connected below the web former, formed fibers are drawn by the first melt-blowing die head, the fibers are bonded on the web former to form a melt-blowing bottom lining through air suction of the suction fan, down materials are sprayed on the melt-blowing bottom lining through the down filling conveying pipeline, the down materials are adsorbed on the melt-blowing bottom lining through air suction of the suction fan, when the melt-blowing bottom lining adsorbing the down materials passes right below the second melt-blowing die head, the formed fibers are drawn by the second melt-blowing die head, the fibers are bonded on the down materials to form a melt-blowing surface lining through. The invention has the advantages of high automation degree and high efficiency.
Description
Technical Field
The invention belongs to the technical field of automatic velvet filling, and relates to a full-automatic non-woven velvet filling method.
Background
The down filling means that a thermal down material, such as down, cotton, polyester, polypropylene fiber, wool, etc., is filled in an interlayer of the cloth or the lining cloth to form the down filling lining cloth. The existing down filling equipment used in the market has the defects of low automation degree, low efficiency and uneven products.
In order to achieve the effect of uniform down filling, the lining cloth is often made into a grid shape firstly, and then down materials are filled into the lining cloth, so that a working procedure is undoubtedly added, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to solve the problems and provides a full-automatic non-woven down filling method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a full-automatic non-woven pile filling method comprises the following steps: a first melt-blown die head is arranged above a first web forming machine, a first suction fan is connected below the first web forming machine, fibers formed by drawing through the first melt-blown die head are drawn by the first suction fan to adhere the fibers on the first web forming machine to form a melt-blown bottom lining, the first web forming machine is connected with a second web forming machine, a second suction fan is connected below the second web forming machine, a wool filling conveying pipeline is arranged above the second web forming machine, wool materials are sprayed on the melt-blown bottom lining through the wool filling conveying pipeline, the second suction fan draws air to adsorb the wool materials on the melt-blown bottom lining, the second web forming machine is connected with a third web forming machine, a second melt-blown die head is arranged above the third web forming machine, a third suction fan is connected below the third web forming machine, when the melt-blown bottom lining after adsorbing the wool materials passes through the position right below the second melt-blown die head, the second melt-blown die head draws the formed fibers, and the third suction fan causes the fibers to adhere on the wool materials to form a melt-blown surface, and finishing the velvet filling.
A full-automatic non-woven pile filling method comprises the following steps: the method comprises the following steps that a first melt-blowing die head and a second melt-blowing die head are arranged above a web former and at two ends of the web former, a down filling conveying pipeline is arranged between the first melt-blowing die head and the second melt-blowing die head, a suction fan is connected below the web former, formed fibers are drawn by the first melt-blowing die head, the fibers are bonded on the web former to form a melt-blowing bottom lining through air suction of the suction fan, down materials are sprayed on the melt-blowing bottom lining through the down filling conveying pipeline, the down materials are adsorbed on the melt-blowing bottom lining through air suction of the suction fan, when the melt-blowing bottom lining adsorbing the down materials passes right below the second melt-blowing die head, the formed fibers are drawn by the second melt-blowing die head, the fibers are bonded on the down materials to form a melt-blowing surface lining through.
In the full-automatic non-woven filling method, the filling conveying pipeline is connected with a driver and can reciprocate along the axial direction of the second web former.
In the above-mentioned full-automatic nonwoven pile filling method, the pile filling conveying pipeline comprises a plurality of pile filling conveying pipes which are uniformly spaced and parallel to each other.
In the full-automatic nonwoven linter filling method, the diameter of the linter filling conveying pipe is 1-20 mm, and the moving speed is 0-50 m/min.
In the full-automatic non-woven down filling method, the fiber diameter is 2-10 μm.
In the full-automatic nonwoven fleece filling method, the net curtain speeds of the first net former, the second net former and the third net former are 0-50 m/min, and the net curtain mesh number is 10-30 meshes.
In the full-automatic nonwoven fleece filling method, the wind pressure of the first suction fan, the second suction fan and the third suction fan is 0-2 Mpa, and the wind volume is 0-50000 m3/min。
In the full-automatic nonwoven fleece filling method, the net curtain speed of the net forming machine is 0-50 m/min, and the net curtain mesh number is 10-30 meshes.
In the full-automatic non-woven down filling method, the air pressure of the suction fan is 0-2 Mpa, and the air volume is 0-50000 m3/min。
Compared with the prior art, the invention has the advantages that:
the defects of low automation degree, low efficiency and uneven down filling lining cloth of down filling equipment in the prior art are overcome; has the advantages of high automation degree and high efficiency, and the 1.6m breadth speed can reach 25 m/min. The prepared melt-blown superfine fiber lining cloth has the advantages of light weight, heat preservation and good product uniformity.
The method of the invention can realize that the melt-blown superfine fiber is used as the lining cloth, thereby achieving the effect of reducing the weight of the lining cloth.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
In the figure: the device comprises a first web forming machine 1, a first melt-blowing die head 2, a first suction fan 3, fibers 4, a second web forming machine 5, a second suction fan 6, a down-filling conveying pipeline 7, a melt-blowing bottom lining 8, a down material 9, a third web forming machine 10, a second melt-blowing die head 11, a third suction fan 12, a melt-blowing surface lining 13, a web forming machine 14, a suction fan 15 and a down-filling conveying pipe 16.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
Example 1
As shown in fig. 1, a fully automatic nonwoven pile filling method includes the following steps: a first melt-blowing die head 2 and a second melt-blowing die head 11 are arranged above a web forming machine 14 and located at two ends of the web forming machine 14, a wool filling conveying pipeline 7 is arranged between the first melt-blowing die head 2 and the second melt-blowing die head 11, a suction fan 15 is connected below the web forming machine 14, fibers 4 formed through drawing of the first melt-blowing die head 2 are sucked through the suction fan 15, the fibers 4 are bonded on the web forming machine 14 to form a melt-blowing bottom lining 8, wool materials 9 are sprayed on the melt-blowing bottom lining 8 through the wool filling conveying pipeline 7, the wool materials 9 are adsorbed on the melt-blowing bottom lining 8 through suction of the suction fan 15, when the melt-blowing bottom lining 8 adsorbing the wool materials 9 passes through the position right below the second melt-blowing die head 11, the fibers 4 formed through drawing of the second melt-blowing die head 11, and the fibers 4 are bonded on the wool materials 9 through suction fan 15 to form a melt-blowing surface lining. The down material 9 is down, cotton wool, terylene, polypropylene fiber or wool.
The down filling conveying pipeline 7 is connected with a driver which can reciprocate along the axial direction of the lapper 14. The driver is of a cylinder, an oil cylinder, a linear motor or a screw rod and thread sleeve structure, and can drive the flock filling conveying pipeline 7 to axially reciprocate along the web former 14 after being connected with the flock filling conveying pipeline 7.
It should be noted that the down-filling conveying pipeline 7 may be stationary, and uniform down-spraying can be realized by adjusting the down-spraying speed and the speed of the web former 14, so as to realize the effect of uniform down-spraying material 9 on the upper surface of the bottom melt-blown liner 8. The delivery pipe 7 reciprocates, and the speed of the flock spraying material 9 can be increased.
In the present embodiment, in order to make the radial filling uniform, the filling conveying pipe 7 includes a plurality of filling conveying pipes 16 which are uniformly spaced and parallel to each other.
The diameter of the fiber 4 is 2 to 10 μm, that is, the diameter of the fiber passing through the first melt-blowing die head 2 and the second melt-blowing die head 11 is 2 to 10 μm. The down filling conveying pipe 16 is controlled in a frequency conversion mode, the conveying speed is adjustable in a frequency conversion mode, the diameter of the down filling conveying pipe 16 is 1-20 mm, and the moving speed is 0-50 m/min.
The web former 14 is controlled by frequency conversion, the web speed is adjustable by frequency conversion, the speed of the web curtain is 0-50 m/min, and the mesh number of the web curtain is 10-30 meshes.
The suction fan is controlled in a variable frequency mode, the rotating speed and the air quantity are variable in frequency and adjustable, the rotating speed of the suction fan is 0-3000 r/min adjustable, the power is 0-240 KW, the air pressure is 0-2 Mpa, and the air quantity is 0-50000 m3/min。
In the present embodiment, the web forming machine 14, the first meltblowing die 2, the second meltblowing die 11, the suction fan 15, and the fluff feeding duct 7 are commercially available products, and are known in the art.
The down filling method has the advantages of full-automatic control, high efficiency, the 1.6m breadth speed of 25m/min, adoption of melt-blown superfine fibers as lining cloth, light weight, heat preservation and automatic product uniformity.
Example 2
As shown in fig. 2, a fully automatic nonwoven pile filling method includes the following steps: a first melt-blowing die head 2 is arranged above a first net forming machine 1, a first suction fan 3 is connected below the first net forming machine 1, formed fibers 4 are drawn by the first melt-blowing die head 2, the fibers 4 are adhered to the first net forming machine 1 by the suction of the first suction fan 3 to form a melt-blowing bottom lining 8, the first net forming machine 1 is connected with a second net forming machine 5, a second suction fan 6 is connected below the second net forming machine 5, a filling wool conveying pipeline 7 is arranged above the second net forming machine 5, a wool material 9 is sprayed on the melt-blowing bottom lining 8 through the filling wool conveying pipeline 7, the suction of the second suction fan 6 enables the wool material 9 to be adsorbed on the melt-blowing bottom lining 8, the second net forming machine 5 is connected with a third net forming machine 10, a second melt-blowing die head 11 is arranged above the third net forming machine 10, a third suction fan 12 is connected below the third net forming machine 10, and when the melt-blowing bottom lining 8 adsorbing the wool material 9 passes through the position right below the second melt-blowing die head 11, the second melt-blown die head 11 draws the formed fibers 4, and the third suction fan 12 draws air to enable the fibers 4 to be bonded on the fluff material 9 to form a melt-blown surface lining 13, so that the fluff filling is completed. The down material 9 is down, cotton wool, terylene, polypropylene fiber or wool.
The diameter of the fiber 4 is 2 to 10 μm, that is, the diameter of the fiber passing through the first melt-blowing die head 2 and the second melt-blowing die head 11 is 2 to 10 μm.
The down filling conveying pipeline 7 is connected with a driver which can reciprocate along the axial direction of the lapper 14. The driver is of a cylinder, an oil cylinder, a linear motor or a screw rod and thread sleeve structure, and can drive the flock filling conveying pipeline 7 to axially reciprocate along the second net former 5 after being connected with the flock filling conveying pipeline 7.
It should be noted that the down-filling conveying pipeline 7 may be stationary, and uniform down-spraying can be realized by adjusting the down-spraying speed and the speed of the web former 14, so as to realize the effect of uniform down-spraying material 9 on the upper surface of the bottom melt-blown liner 8. The delivery pipe 7 reciprocates, and the speed of the flock spraying material 9 can be increased.
In the present embodiment, in order to make the radial filling uniform, the filling conveying pipe 7 includes a plurality of filling conveying pipes 16 which are uniformly spaced and parallel to each other.
The diameter of the fiber 4 is 2 to 10 μm, that is, the diameter of the fiber passing through the first melt-blowing die head 2 and the second melt-blowing die head 11 is 2 to 10 μm. The down filling conveying pipe 16 is controlled in a frequency conversion mode, the conveying speed is adjustable in a frequency conversion mode, the diameter of the down filling conveying pipe 16 is 1-20 mm, and the moving speed is 0-50 m/min.
The first net forming machine 1, the second net forming machine 5 and the third net forming machine 10 are controlled in a frequency conversion mode, the net speed is adjustable in a frequency conversion mode, the net curtain speed is 0-50 m/min, and the net curtain mesh number is 10-30 meshes. The rotating speed of the first suction fan 3, the rotating speed of the second suction fan 6 and the rotating speed of the third suction fan 12 are 0-3000 r/min adjustable, the power is 0-240 KW, the wind pressure is 0-2 Mpa, and the wind quantity is 0-50000 m3/min。
In this example, the web former, the meltblowing die, the suction fan and the fluff-filling duct are all commercially available products, which are prior art.
The down filling method has the advantages of full-automatic control, high efficiency, the 1.6m breadth speed of 25m/min, adoption of melt-blown superfine fibers as lining cloth, light weight, heat preservation and automatic product uniformity.
It should be noted that in the present embodiment, one web forming machine corresponds to one suction fan, so that the suction force on each web forming machine can be controlled independently, and thus the three steps of forming the melt-blown bottom liner 8, adsorbing the fluff material 9 on the melt-blown bottom liner 8, and adsorbing the melt-blown top liner 13 on the upper surface of the fluff material 9 can be controlled and adjusted independently.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.
Claims (10)
1. A full-automatic non-woven pile filling method is characterized by comprising the following steps: a first melt-blown die head (2) is arranged above a first net forming machine (1), a first suction fan (3) is connected below the first net forming machine (1), formed fibers (4) are drawn by the first melt-blown die head (2), the fibers (4) are bonded on the first net forming machine (1) by air suction of the first suction fan (3) to form a melt-blown bottom lining (8), the first net forming machine (1) is connected with a second net forming machine (5), a second suction fan (6) is connected below the second net forming machine (5), a wool filling conveying pipeline (7) is arranged above the second net forming machine (5), wool materials (9) are sprayed on the melt-blown bottom lining (8) by the wool filling conveying pipeline (7), the wool materials (9) are adsorbed on the melt-blown bottom lining (8) by air suction of the second suction fan (6), the second net forming machine (5) is connected with a third net forming machine (10), and a second die head (11) is arranged above the third net forming machine (10), and a third suction fan (12) is connected below the third web former (10), when the melt-blown bottom lining (8) absorbing the down material (9) passes through the position right below the second melt-blown die head (11), the second melt-blown die head (11) pulls the formed fiber (4), and the third suction fan (12) sucks air to enable the fiber (4) to be bonded on the down material (9) to form a melt-blown surface lining (13), so that down filling is completed.
2. A full-automatic non-woven pile filling method is characterized by comprising the following steps: a first melt-blown die head (2) and a second melt-blown die head (11) are arranged above a web forming machine (14) and positioned at two ends of the web forming machine (14), a wool filling conveying pipeline (7) is arranged between the first melt-blown die head (2) and the second melt-blown die head (11), a suction fan (15) is connected below the web forming machine (14), formed fibers (4) are drawn by the first melt-blown die head (2), the fibers (4) are bonded on the web forming machine (14) by air suction of the suction fan (15) to form a melt-blown bottom liner (8), wool materials (9) are sprayed on the melt-blown bottom liner (8) by the wool filling conveying pipeline (7), the air suction of the suction fan (15) enables the wool materials (9) to be adsorbed on the melt-blown bottom liner (8), and when the melt-blown bottom liner (8) adsorbing the wool materials (9) passes through the position right below the second melt-blown die head (11), the fibers (4) drawn by the second melt-blown die head (, the suction fan (15) draws air to enable the fibers (4) to be bonded on the down material (9) to form a melt-blown surface lining (13), and down filling is completed.
3. A fully automatic nonwoven fleece filling process according to claim 1 or 2, characterized in that the fleece transport conduit (7) is connected to a drive which is axially movable back and forth along the second web former (5).
4. A fully automatic nonwoven linter filling method according to claim 1 or 2, characterized in that the linter filling duct (7) comprises a plurality of evenly spaced and mutually parallel linter filling ducts (16).
5. The full-automatic nonwoven linter filling method according to claim 4, wherein the linter filling conveying pipe (16) has a diameter of 1 to 20mm and a moving speed of 0 to 50 m/min.
6. A fully automatic nonwoven fleece process according to claim 1 or 2, characterized in that the fibers (4) have a diameter of 2 to 10 μm.
7. The fully automatic nonwoven fleece process according to claim 1, wherein the first web former (1), the second web former (5) and the third web former (10) have a web speed of 0 to 50m/min and a mesh number of 10 to 30.
8. The full-automatic nonwoven linter filling method according to claim 1, wherein the wind pressure of the first suction fan (3), the second suction fan (6) and the third suction fan (12) is 0-2 Mpa, and the wind volume is 0-50000 m3/min。
9. The fully automatic nonwoven fleece process of claim 2 wherein the web speed of the web former (14) is 0 to 50m/min and the mesh count of the web is 10 to 30 mesh.
10. The full-automatic nonwoven linter filling method according to claim 2, wherein the wind pressure of the suction fan (15) is 0-2 Mpa, and the wind volume is 0-50000 m3/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515764.6A CN112695459A (en) | 2020-12-21 | 2020-12-21 | Full-automatic non-woven down filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515764.6A CN112695459A (en) | 2020-12-21 | 2020-12-21 | Full-automatic non-woven down filling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112695459A true CN112695459A (en) | 2021-04-23 |
Family
ID=75507702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011515764.6A Pending CN112695459A (en) | 2020-12-21 | 2020-12-21 | Full-automatic non-woven down filling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112695459A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101388A (en) * | 1992-11-17 | 1995-04-12 | 北京市超纶无纺技术公司 | Method for producing composite wadding material by fusion-spraying down and its apparatus and product |
| US20060131777A1 (en) * | 2004-12-17 | 2006-06-22 | Pascal Debyser | Patterning on SMS product |
| CN102296425A (en) * | 2011-08-09 | 2011-12-28 | 温州朝隆纺织机械有限公司 | Equipment for continuously producing spunbonded/meltblown compound nonwoven fabric |
| CN208486034U (en) * | 2018-01-30 | 2019-02-12 | 杭州诚品实业有限公司 | Three layers of composite non-weaving cloth of one kind and its production equipment |
-
2020
- 2020-12-21 CN CN202011515764.6A patent/CN112695459A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101388A (en) * | 1992-11-17 | 1995-04-12 | 北京市超纶无纺技术公司 | Method for producing composite wadding material by fusion-spraying down and its apparatus and product |
| US20060131777A1 (en) * | 2004-12-17 | 2006-06-22 | Pascal Debyser | Patterning on SMS product |
| CN101068966A (en) * | 2004-12-17 | 2007-11-07 | 阿尔巴尼国际公司 | Patterning on SMS product |
| CN102296425A (en) * | 2011-08-09 | 2011-12-28 | 温州朝隆纺织机械有限公司 | Equipment for continuously producing spunbonded/meltblown compound nonwoven fabric |
| CN208486034U (en) * | 2018-01-30 | 2019-02-12 | 杭州诚品实业有限公司 | Three layers of composite non-weaving cloth of one kind and its production equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104032423B (en) | A kind of device of electrostatic spinning nano fiber covering yarn and its application | |
| CN102512881A (en) | Composite type fiber filtering material and preparation method thereof as well as filtering bag | |
| CN103290536A (en) | Blending and opening device | |
| CN108007117A (en) | A kind of weaving cloth drying device | |
| CN102505204A (en) | Double-dust-cage air laying machine | |
| CN107227559A (en) | Manufacture method, equipment and the obtained hot-wind nonwoven cloth of hot-wind nonwoven cloth | |
| CN106835508A (en) | A kind of wet spinning technology prepares the laydown process and device of continuous yarn non-woven fabrics | |
| CN214400926U (en) | Full-automatic non-woven down filling equipment | |
| CN112695459A (en) | Full-automatic non-woven down filling method | |
| CN109537165B (en) | Ceramic fiber non-woven turbulence net forming method and device | |
| CN206666698U (en) | A kind of automatic coiling device of carding machine | |
| WO2023185847A1 (en) | Mixed fiber web, and preparation method therefor and use thereof | |
| CN203346598U (en) | Machine for lapping geotextiles on inclined curtain | |
| CN202279886U (en) | Double-dust-cage airflow net forming machine | |
| CN104191789A (en) | Manufacturing method and production line of needled felt for thermoplastic resin | |
| JP2013083009A (en) | Method for producing carbon fiber mat and apparatus for producing the same | |
| CN203360665U (en) | Blended fiber opening device | |
| CN216688464U (en) | Automatic leveling device of carding machine | |
| CN203440608U (en) | Air-laid equipment | |
| CN102061571B (en) | Electrostatic spinning and spunlacing consolidation composite membrane-making device | |
| CN109252257A (en) | A kind of clear comb equipment of weaving | |
| CN212611246U (en) | Automobile and industrial lubricating oil filter felt | |
| CN204849267U (en) | Manufacture of non -woven fabric equipment | |
| CN107558005A (en) | A kind of uniform lapping machine of lapping | |
| ZA202200958B (en) | Method and apparatus for producing a nonwoven fabric made of crimped synthetic fibers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |