CN109677969B - Film laminating mechanism of spiral conversion roller for film pressing of roll type film - Google Patents
Film laminating mechanism of spiral conversion roller for film pressing of roll type film Download PDFInfo
- Publication number
- CN109677969B CN109677969B CN201811539945.5A CN201811539945A CN109677969B CN 109677969 B CN109677969 B CN 109677969B CN 201811539945 A CN201811539945 A CN 201811539945A CN 109677969 B CN109677969 B CN 109677969B
- Authority
- CN
- China
- Prior art keywords
- distributed
- film
- support plate
- fixing
- groove
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a film laminating mechanism of a spiral conversion roller for film pressing of a roll type film, which comprises a support plate distributed in a mirror image manner, wherein a first rotating disc and a second rotating disc are arranged on the support plate, a second driving shaft is arranged at the center position of the second rotating disc and connected with a first driving shaft through belts distributed in an array manner, the first driving shaft is connected with a servo motor through a driving rod, the servo motor is fixed on a servo motor base, the servo motor base is fixed on one side of the support plate through a connecting rod, connecting strips distributed in an array manner are arranged at the lower end of the support plate, damping feet are arranged at the lower ends of the connecting strips, the first rotating disc comprises a ring body, a ring body is arranged on one side of the ring body, fixing grooves distributed in an axial array manner. The film laminating machine can be assembled on equipment by a plurality of film laminating rollers simultaneously, so that the frequency of replacing the film laminating rollers by the equipment is reduced, the maintenance times of the equipment is reduced, the labor intensity of operators is reduced, the technical requirement on the operators is low, and the equipment operation is simpler.
Description
Technical Field
The invention relates to the field of membrane production, in particular to a film laminating mechanism of a spiral conversion roller for film pressing of a roll type membrane.
Background
The plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins. The surface tension of the plastic film depends on the surface free energy of the plastic film, and the surface energy of the film depends on the molecular structure of the film material. The plastic film can be used for food packaging, electric appliance product packaging, daily necessities packaging, clothing packaging and the like. In the production process of plastic films, the base materials to be processed need to be laminated, the cold roll of the laminating group needs to be replaced according to different processing base materials and different technological requirements so as to achieve the processing effect, the laminating roll and a clamping framework and the like are replaced completely in the prior art, the production mode enables the technical requirements of operators to be high, the labor intensity is high, and equipment is easy to damage due to frequent replacement of the laminating roll.
Disclosure of Invention
The invention aims to provide a film laminating mechanism of a roll-type film pressing rotary conversion roller, which can be assembled on equipment simultaneously by a plurality of film laminating rollers, reduces the frequency of replacing the film laminating rollers by the equipment, reduces the maintenance times of the equipment, reduces the labor intensity of operators, has low technical requirements on the operators and simplifies the operation of the equipment.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a formula of book membrane pressure membrane is changeed roller tectorial membrane mechanism soon, includes the mounting panel that the mirror image distributes, be equipped with on the mounting panel and all be equipped with first rotary disk and second rotary disk, second rotary disk central point puts and is equipped with the second drive shaft, and the first drive shaft is connected through the belt that the array distributes to the second drive shaft, and servo motor is connected through the actuating lever to first drive shaft, and servo motor fixes on the servo motor base, and servo motor base passes through the connecting rod to be fixed in mounting panel one side
Furthermore, be equipped with the first bearing hole that runs through the mounting panel on the mounting panel, mounting panel one side is equipped with the heavy groove that subtracts that runs through the mounting panel, subtracts heavy groove and divide into about two with first bearing hole, and the mounting panel lower extreme is equipped with array distribution's connecting strip, and the connecting strip lower extreme all is equipped with the shock attenuation footing.
Furthermore, one side of the support plate is provided with a fixed column, the fixed column is provided with a fixed plate, the fixed plate is internally provided with stretching grooves distributed in an array manner, the stretching grooves are internally provided with straight groove rods, the straight groove rods are provided with first positioning holes distributed in an array manner, the first positioning holes are internally provided with first screw rods, the first screw rods are provided with first nuts distributed in an array manner, the first nuts are distributed on two sides of the fixed plate and are tightly attached to the surface of the fixed plate when being tightened, the upper ends of the straight groove rods are provided with supporting blocks, the supporting blocks are provided with semi-arc grooves, the central positions of the semi-arc grooves are provided with second positioning holes, first laminating roller supporting rods are fixed in the semi-arc grooves, the surfaces of the first laminating roller supporting rods are provided with first laminating rollers, the two ends of the first laminating roller supporting rods are provided with third positioning holes penetrating through the first laminating roller supporting rods, the third positioning holes are, the second screw rod is provided with a second nut.
Furthermore, the connecting rods arranged on the support plate are inserted into seventh positioning holes which are arranged on the servo motor base and distributed in an array manner, second bearing holes are further formed in the support plate, and the first driving shaft is fixed in the second bearing holes.
Further, first drive shaft includes first fixed axis body, is equipped with first belt fixed slot and second belt fixed slot on the first fixed axis body, and first fixed axis body one end is equipped with the fourth locating hole, and the actuating lever inserts in the fourth locating hole.
Further, the second drive shaft includes the fixed axis body of second, and the fixed axis body one end of second is equipped with the polygon round pin, is equipped with third belt fixed slot and fourth belt fixed slot on the fixed axis body of second.
Further, the first rotating disk comprises a ring body, a ring body is arranged on one side of the ring body, fixing grooves distributed in an axial array mode are formed in the ring body, cylindrical pins distributed in an axial array mode are further arranged on the ring body, and a triangular positioning hole is formed in the center of the ring body.
Furthermore, a polygonal groove is formed in the center of the second rotating disk, a polygonal pin is inserted into the polygonal groove, fifth positioning holes distributed in an axial array mode are formed in the periphery of the polygonal groove, a cylindrical pin is inserted into the fifth positioning holes, triangular connecting blocks are arranged in the triangular positioning holes, sixth positioning holes distributed in the axial array mode are formed in the triangular connecting blocks, inserting block grooves are formed in the three sides of the triangular connecting blocks, inserting blocks are arranged in the inserting block grooves and fixed in fixing grooves, a second laminating roller supporting rod is arranged in each sixth positioning hole, and a second laminating roller is arranged on the surface of each second laminating roller supporting rod.
The invention has the beneficial effects that:
1. the invention can assemble a plurality of film covering rollers on the equipment at the same time, reduces the frequency of replacing the film covering rollers by the equipment, reduces the maintenance frequency of the equipment,
2. the invention can simultaneously reduce the labor intensity of operators, has low technical requirements on the operators and ensures that the equipment operation is simpler.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a rotary roll-changing film-coating mechanism of a film-coating device of the invention;
FIG. 2 is a schematic view of the construction of the mounting plate of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;
FIG. 5 is a partial structural schematic view of a rotary roll-changing film covering mechanism of the film covering device of the invention;
FIG. 6 is an exploded view of a part of the structure of a rotary roll-changing film covering mechanism of the film covering device;
FIG. 7 is a schematic view of a first drive shaft configuration of the present invention;
FIG. 8 is a schematic view of a first rotary disk configuration of the present invention;
fig. 9 is a schematic view of a second drive shaft according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The utility model provides a spiral conversion roller tectorial membrane mechanism is pressed to formula of book membrane, including the mounting panel 1 of mirror image distribution, as shown in fig. 1, be equipped with all to be equipped with first rotary disk 2 and second rotary disk 3 on the mounting panel 1, second rotary disk 3 central point puts and is equipped with second drive shaft 5, first drive shaft 164 is connected through belt 4 that the array distributes to second drive shaft 5, first drive shaft 164 passes through actuating lever 163 and connects servo motor 162, servo motor 162 is fixed on servo motor base 161, servo motor base 161 passes through connecting rod 16 to be fixed in mounting panel 1 one side.
The bracket plate 1 is provided with a first bearing hole 11 penetrating through the bracket plate 1, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, one side of the bracket plate 1 is provided with a lightening groove 12 penetrating through the bracket plate 1, the lightening groove 12 divides the first bearing hole 11 into a left part and a right part, the lower end of the bracket plate 1 is provided with connecting bars 13 distributed in an array manner, and the lower ends of the connecting bars 13 are provided with damping feet 131.
One side of the support plate 1 is provided with a fixed column 14, a fixed plate 141 is arranged on the fixed column 14, stretching grooves 1411 distributed in an array manner are arranged in the fixed plate 141, straight groove rods 142 are arranged in the stretching grooves 1411, first positioning holes 1421 distributed in an array manner are arranged on the straight groove rods 142, first screw rods 17 are arranged in the first positioning holes 1421, first nuts 171 distributed in an array manner are arranged on the first screw rods 17, the first nuts 171 are distributed on two sides of the fixed plate 141 and tightly attached to the surface of the fixed plate 141 when screwed, supporting blocks 143 are arranged at the upper ends of the straight groove rods 142, semi-arc-shaped grooves 144 are arranged on the supporting blocks 143, second positioning holes 1441 are arranged at the central positions of the semi-arc-shaped grooves 144, first laminating roller supporting rods 15 are fixed in the semi-arc-shaped grooves 144, first laminating rollers 151 are arranged on the surfaces of the first laminating roller supporting rods 15, third positioning holes 152 penetrating through the first laminating roller supporting rods 15 are arranged at, the second screw rod 1521 penetrates through the third positioning hole 152 and is inserted into the second positioning hole 1441, and a second nut 153 is disposed on the second screw rod 1521.
The connecting rods 16 disposed on the supporting plate 1 are inserted into seventh positioning holes 1611 disposed on the servo motor base 161 in an array, a second bearing hole 18 is further disposed on the supporting plate 1, and the first driving shaft 164 is fixed in the second bearing hole 18.
The first driving shaft 164 includes a first fixing shaft 1641, as shown in fig. 7, a first belt fixing groove 1643 and a second belt fixing groove 1644 are disposed on the first fixing shaft 1641, a fourth positioning hole 1642 is disposed at one end of the first fixing shaft 1641, and the driving rod 163 is inserted into the fourth positioning hole 1642.
The second driving shaft 5 includes a second fixed shaft body 51, as shown in fig. 9, a polygonal pin 511 is provided at one end of the second fixed shaft body 51, and a third belt fixing groove 52 and a fourth belt fixing groove 53 are provided on the second fixed shaft body 51.
The first rotating disk 2 includes a ring body 21, as shown in fig. 8, a ring body 22 is disposed on one side of the ring body 21, fixing slots 211 are disposed on the ring body 21 in an axial array, cylindrical pins 212 are further disposed on the ring body 21 in an axial array, and a triangular positioning hole 221 is disposed at a center position of the ring body 22.
A polygonal groove 31 is formed in the center of the second rotating disk 3, a polygonal pin 511 is inserted into the polygonal groove 31, as shown in fig. 6, fifth positioning holes 32 distributed in an axial array are formed in the periphery of the polygonal groove 31, a cylindrical pin 212 is inserted into the fifth positioning hole 32, a triangular connecting block 23 is arranged in the triangular positioning hole 221, sixth positioning holes 232 distributed in an axial array are formed in the triangular connecting block 23, insert grooves 231 are formed in three sides of the triangular connecting block 23, insert blocks 24 are arranged in the insert grooves 231, the insert blocks 24 are fixed in the fixing grooves 211, second laminating roller supporting rods 25 are arranged in the sixth positioning holes 232, and second laminating rollers 26 are arranged on the surfaces of the second laminating roller supporting rods 25.
This mechanism can many tectorial membrane rollers assemble on equipment simultaneously, need not to change the tectorial membrane roller during the time of the change, has reduced equipment change tectorial membrane roller frequency, has reduced the equipment maintenance number of times.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. The film laminating mechanism comprises a support plate (1) distributed in a mirror image manner, and is characterized in that a first rotating disk (2) and a second rotating disk (3) are arranged on the support plate (1), a second driving shaft (5) is arranged at the center of the second rotating disk (3), the second driving shaft (5) is connected with a first driving shaft (164) through belts (4) distributed in an array manner, the first driving shaft (164) is connected with a servo motor (162) through a driving rod (163), the servo motor (162) is fixed on a servo motor base (161), and the servo motor base (161) is fixed on one side of the support plate (1) through a connecting rod (16);
the laminating machine is characterized in that a fixing column (14) is arranged on one side of a support plate (1), a fixing plate (141) is arranged on the fixing column (14), stretching grooves (1411) distributed in an array are formed in the fixing plate (141), straight groove rods (142) are arranged in the stretching grooves (1411), first positioning holes (1421) distributed in an array are formed in the straight groove rods (142), first screw rods (17) are arranged in the first positioning holes (1421), first nuts (171) distributed in an array are arranged on the first screw rods (17), the first nuts (171) are distributed on two sides of the fixing plate (141), the surface of the fixing plate (141) is tightly attached to the fixing plate when the fixing plate is screwed down, a supporting block (143) is arranged at the upper end of each straight groove rod (142), a semi-arc-shaped groove (144) is formed in the supporting block (143), a second positioning hole (1441) is formed in the center of the semi-arc-shaped groove (144), a first laminating roller supporting rod (15) is fixed in the, third positioning holes (152) penetrating through the first laminating roller supporting rod (15) are formed in two ends of the first laminating roller supporting rod (15), a second screw rod (1521) is arranged in the third positioning holes (152), the second screw rod (1521) penetrates through the third positioning holes (152) and is inserted into the second positioning holes (1441), and a second nut (153) is arranged on the second screw rod (1521).
2. The film covering mechanism of the roll-type film pressing rotary conversion roller according to claim 1, wherein a first bearing hole (11) penetrating through the support plate (1) is formed in the support plate (1), a weight reduction groove (12) penetrating through the support plate (1) is formed in one side of the support plate (1), the first bearing hole (11) is divided into a left side and a right side by the weight reduction groove (12), connecting strips (13) distributed in an array mode are arranged at the lower end of the support plate (1), and shock absorption feet (131) are arranged at the lower ends of the connecting strips (13).
3. The film covering mechanism of the roll-type film pressing rotary conversion roller according to claim 1, wherein the connecting rod (16) of the support plate (1) is inserted into seventh positioning holes (1611) distributed in an array manner and arranged on a servo motor base (161), the support plate (1) is further provided with second bearing holes (18), and the first driving shaft (164) is fixed in the second bearing holes (18).
4. The film covering mechanism of the roll-type film pressing rotary conversion roller of claim 1, wherein the first driving shaft (164) comprises a first fixing shaft body (1641), a first belt fixing groove (1643) and a second belt fixing groove (1644) are formed on the first fixing shaft body (1641), a fourth positioning hole (1642) is formed at one end of the first fixing shaft body (1641), and the driving rod (163) is inserted into the fourth positioning hole (1642).
5. The film-laminating mechanism of a roll-type film-pressing rotary conversion roller according to claim 1, wherein the second driving shaft (5) comprises a second fixed shaft body (51), one end of the second fixed shaft body (51) is provided with a polygonal pin (511), and the second fixed shaft body (51) is provided with a third belt fixing groove (52) and a fourth belt fixing groove (53).
6. The film covering mechanism of a roll type film pressing rotary conversion roller according to claim 1, wherein the first rotary disk (2) comprises a ring body (21), one side of the ring body (21) is provided with a ring body (22), the ring body (21) is provided with fixing grooves (211) distributed in an axial array, the ring body (21) is further provided with cylindrical pins (212) distributed in an axial array, and the center of the ring body (22) is provided with a triangular positioning hole (221).
7. The roll film-pressing rotary conversion roll film-covering mechanism according to claim 1, the center of the second rotating disk (3) is provided with a polygonal groove (31), a polygonal pin (511) is inserted into the polygonal groove (31), fifth positioning holes (32) distributed in an axial array are formed in the periphery of the polygonal groove (31), a cylindrical pin (212) is inserted into the fifth positioning holes (32), a triangular connecting block (23) is arranged in the triangular positioning hole (221), sixth positioning holes (232) distributed in an axial array are formed in the triangular connecting block (23), inserting block grooves (231) are formed in three sides of the triangular connecting block (23), inserting blocks (24) are arranged in the inserting block grooves (231), the inserting blocks (24) are fixed in fixing grooves (211), a second laminating roller supporting rod (25) is arranged in the sixth positioning hole (232), and a second laminating roller (26) is arranged on the surface of the second laminating roller supporting rod (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539945.5A CN109677969B (en) | 2018-12-17 | 2018-12-17 | Film laminating mechanism of spiral conversion roller for film pressing of roll type film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539945.5A CN109677969B (en) | 2018-12-17 | 2018-12-17 | Film laminating mechanism of spiral conversion roller for film pressing of roll type film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109677969A CN109677969A (en) | 2019-04-26 |
| CN109677969B true CN109677969B (en) | 2021-04-30 |
Family
ID=66187842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539945.5A Active CN109677969B (en) | 2018-12-17 | 2018-12-17 | Film laminating mechanism of spiral conversion roller for film pressing of roll type film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109677969B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692076A (en) * | 2020-12-30 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Rolling mill with working roll changing mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008290851A (en) * | 2007-05-25 | 2008-12-04 | Hitachi Maxell Ltd | Tape winding device |
| CN204588237U (en) * | 2015-05-04 | 2015-08-26 | 浙江索凡胶粘制品有限公司 | A kind of coating machine has the drawing mechanism of pooling feature |
| CN207046516U (en) * | 2017-05-08 | 2018-02-27 | 浙江永盛薄膜科技有限公司 | A kind of release mechanism of film winder |
| CN207551520U (en) * | 2017-11-09 | 2018-06-29 | 厦门法斯德科技有限公司 | A kind of film covering device of conducting resinl |
| CN108675037A (en) * | 2018-04-27 | 2018-10-19 | 广东知识城运营服务有限公司 | A kind of glued membrane coiled strip automatic power reel |
-
2018
- 2018-12-17 CN CN201811539945.5A patent/CN109677969B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109677969A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109677969B (en) | Film laminating mechanism of spiral conversion roller for film pressing of roll type film | |
| KR200486232Y1 (en) | Servo-Rotating All-Function Tool Module for Use With Spring Forming Machine | |
| CN108859454A (en) | A kind of seal device for capableing of continuous signeting | |
| RU2319612C2 (en) | Mandrel for manufacture of articles made out of the composite material | |
| CN216913559U (en) | Fixing device for detecting automobile parts | |
| CN113400432B (en) | Glue pressing device for processing wooden furniture | |
| CN206254242U (en) | A kind of root medicinal material slicer | |
| CN210795181U (en) | Finished product winding device for PET (polyethylene terephthalate) packing belt | |
| CN210418579U (en) | Release film rolling roller for film laminating | |
| CN211056319U (en) | Textile conveying roller with high practicability | |
| CN209815346U (en) | Membrane rolling device of RO (reverse osmosis) membrane filter element | |
| TWI682082B (en) | Roller bed dehydrator structure | |
| EP0020660B1 (en) | Polygonal mirror | |
| CN217620829U (en) | Transverse high-low knife capable of improving workpiece cutting waste discharge | |
| EP3349955B1 (en) | A method of and a selective strip coating apparatus for applying a coating to one face of a selected first sub-group of parallel strips | |
| CN216638403U (en) | Adhesive tape slitting mechanism | |
| CN216423400U (en) | Double-screw extruder for plastic product production | |
| CN213802182U (en) | Cylinder limit structure of cylinder laminating equipment | |
| CN217143325U (en) | Extrusion forming device | |
| CN219117681U (en) | Cladding machine is used in cladding yarn processing | |
| CN215282887U (en) | Double-side guide mechanism for plastic bottle mold production | |
| CN220213433U (en) | Dosage disc of adjustable capsule filling machine | |
| CN218519188U (en) | Laminating equipment for plastic products | |
| CN212824808U (en) | Leaf and combined sand silk leaf wheel | |
| CN211541935U (en) | Granulation device is used in production of regeneration polyester staple fiber with adjustable particle size |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |