CN112117210A - Belt driving method and mechanism - Google Patents
Belt driving method and mechanism Download PDFInfo
- Publication number
- CN112117210A CN112117210A CN201910957547.3A CN201910957547A CN112117210A CN 112117210 A CN112117210 A CN 112117210A CN 201910957547 A CN201910957547 A CN 201910957547A CN 112117210 A CN112117210 A CN 112117210A
- Authority
- CN
- China
- Prior art keywords
- shaft
- belt
- driving
- driving shaft
- pinwheels
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 19
- 230000004323 axial length Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 description 20
- 239000000463 material Substances 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 239000003292 glue Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67121—Apparatus for making assemblies not otherwise provided for, e.g. package constructions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a belt driving method and mechanism, comprising: the two pinwheels are coaxially sleeved and embedded in a driving shaft at intervals, and a plurality of convex inlays are arranged on the outer circumference of each pinwheel at equal intervals in an annular row; two embedded parts coaxially embedded in a shaft lever at intervals, wherein the shaft lever and the driving shaft are mutually parallel and arranged on one side of the driving shaft; the driving shaft can be driven to rotate and is linked with the two pin wheels to synchronously rotate, and when the distance between the two embedded and abutted pieces on the shaft lever is changed, the two pin wheels on the driving shaft are linked to adjust; thereby facilitating adjustment when the specification of the belt is changed.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a driving method and a driving mechanism, and more particularly, to a method and a driving mechanism for driving a belt.
[ background of the invention ]
According to the general chip packaging process, firstly, coating adhesive on a substrate, then adhering a crystal grain on the substrate, coating a layer of heat dissipation adhesive solution on the crystal grain, and then adhering a heat dissipation fin on the heat dissipation adhesive solution and covering the crystal grain and the substrate; recently, the heat dissipation glue solution has been gradually replaced by a heat dissipation glue pad with a heat dissipation function, the heat dissipation glue pad usually has a state that the upper surface and the lower surface are double-sided glue, the upper surface and the lower surface of each heat dissipation glue pad are respectively adhered with a layer of coating, an operator firstly tears off one layer of coating, then pastes the surface of the heat dissipation glue pad without the coating on the upper surface of the crystal grain, then tears off the coating on the other side surface, and finally pastes the heat dissipation fin on the heat dissipation glue pad.
[ summary of the invention ]
The prior art replaces the heat dissipation glue solution with the heat dissipation glue pad, although the heat dissipation can be reduced
The applicant studied a device for conveying the heat dissipation rubber mat in a material belt manner to facilitate the specification change of the material belt, and developed the following invention.
Accordingly, an object of the present invention is to provide a belt driving method which is easy to adjust when changing the specification of a belt.
Another object of the present invention is to provide a belt driving mechanism which is easily adjusted when changing the specification of a belt.
It is a further object of the present invention to provide a mechanism for performing the belt driving method as described.
A belt driving method according to an object of the present invention includes: the belt-shaped object with pinholes on both sides is driven and drawn by two pinwheels which are coaxially sleeved on a driving shaft at intervals, and the interval between the two pinwheels is positioned and adjusted by two embedded parts which are coaxially sleeved on a shaft lever at intervals.
A belt driving mechanism according to another object of the present invention comprises: the two pinwheels are coaxially sleeved and embedded in a driving shaft at intervals, and a plurality of convex inlays are arranged on the outer circumference of each pinwheel at equal intervals in an annular row; two embedded parts coaxially embedded in a shaft lever at intervals, wherein the shaft lever and the driving shaft are mutually parallel and arranged on one side of the driving shaft; the driving shaft can be driven to rotate and drive the two pin wheels to rotate synchronously, and when the distance between the two embedded and abutted pieces on the shaft lever is changed, the two pin wheels on the driving shaft are driven to adjust.
A belt driving mechanism according to still another object of the present invention comprises: a mechanism for performing the belt driving method as described.
The belt-shaped object driving method and mechanism of the embodiment of the invention enable the belt-shaped object with pinholes on two sides to be driven and drawn by two pinwheels which are coaxially sleeved and embedded on a driving shaft at intervals, and the interval between the two pinwheels is positioned and adjusted by two embedded parts which are coaxially embedded on a shaft lever at intervals; once the specification of the belt-shaped object is changed, the distance between the two embedded and abutted pieces on the shaft lever below the driving shaft is changed, and the two pinwheels on the driving shaft are interlocked to be adjusted, so that the adjustment is very convenient.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of a material tape of the heat dissipation rubber mat in the embodiment of the present invention.
Fig. 2 is a schematic perspective view of the attaching device in the embodiment of the present invention.
Fig. 3 is a perspective view of the driving mechanism in the embodiment of the present invention.
FIG. 4 is a schematic side view of the driving mechanism with the pin wheel linked with the engaging member according to the embodiment of the present invention.
[ detailed description ] embodiments
Referring to fig. 1, a tape driving method of a heat dissipating adhesive pad according to an embodiment of the present invention is described as an embodiment of a tape of a heat dissipating adhesive pad, in which the heat dissipating adhesive pad a is covered by a first film a1 and a second film a2 in a long tape shape to form a tape A3, a plurality of heat dissipating adhesive pads a are sequentially and continuously arranged at equal intervals, and upper and lower surfaces of each heat dissipating adhesive pad a respectively have viscosity to adhere to inner layers of the first film a1 and the second film a2, wherein two sides of the second film a2 respectively have a plurality of pin holes a21 arranged at equal intervals, two rows of pin holes a21 are separated by a space, the space is greater than a width of the heat dissipating adhesive pad a and is used for adhering the heat dissipating adhesive pad a, and the tape A3 can be rolled on an outer diameter of a sleeve a42 having a hole a41 to form a roll-like material roll a 4.
Referring to fig. 2, the roll a4 can be operated in a laminating device B, which has a laminating mechanism B1 located on a fixing plate B2, and the laminating device B can be driven to move up, down, left and right; the front side surface of the fixing plate B2 is provided with a fixing plate which comprises:
a driving mechanism B3, disposed on the other side of the bonding mechanism B1 opposite to the alignment inspection unit B4; the driving mechanism B3 can be driven to perform traction driving on the second envelope a2 of the tape A3 in fig. 1;
a material belt wheel B5, disposed above the attaching mechanism B1 and driven to rotate, the material belt wheel B5 is used to cover the material roll A4 in FIG. 1, a distance sensor B51 is disposed on the front side surface of the fixing plate B2 and used to detect the change of the distance between the material roll A4 and the circumference of the material roll A4, so as to calculate and detect whether the material roll A4 should be replaced when it is used up;
a first reel B6, disposed on the other side of the bonding mechanism B1 opposite to the alignment inspection unit B4, above the driving mechanism B3, and driven to rotate; a first wrapping film A1 for winding the tape A3 in FIG. 1;
a second reel B7, disposed on the other side of the bonding mechanism B1 opposite to the alignment inspection unit B4, between the upper side of the driving mechanism B3 and the lower side of the first reel B6, and driven to rotate in synchronization with the first reel B6; for winding the second envelope a2 as the tape A3 in fig. 1.
Referring to fig. 3, the driving mechanism B3 is provided with two pinwheels B32 which are coaxially embedded in the axial direction X on a driving shaft B31 at intervals, the driving shaft B31 is provided with radial convex keys B311, the axial length of the convex keys B311 exceeds the interval between the two pinwheels B32, the two pinwheels are embedded by the convex keys B311 and are limited to rotate relative to the driving shaft B31 in the radial direction, and the two pinwheels B32 can freely move in the axial direction X in the axial direction of the driving shaft B31 in a direction close to or far away from each other; the driving shaft B31 can be driven to rotate and is linked with the two pinwheels B32 to synchronously rotate, a V-shaped groove B321 annularly arranged and a plurality of convex inlays B322 annularly arranged at equal intervals are arranged on the outer circumference of each pinwheel B32, wherein the two annularly arranged grooves B321 on the two pinwheels B3 are relatively positioned on the opposite inner sides, and the two annularly arranged inlays B322 are relatively positioned on the opposite outer sides; the upper and lower sides of the driving shaft B31 are parallel to each other and are respectively provided with a shaft lever B33, each shaft lever B33 is respectively provided with two embedded and abutted parts B34 at intervals and embedded in the same shaft sleeve, the embedded and abutted parts B34 are disc-shaped wheel bodies, the circular peripheries of the embedded and abutted parts B34 are formed into the shapes of inverted V-shaped grooves B321 matched with the pinwheel B32, wherein the shaft lever B33 positioned on one side below the driving shaft B31 is locked and fixed after a spacing part B35 is pivoted and sleeved between the two embedded and abutted parts B34, and the shaft lever B33 positioned on the other side above the driving shaft B31 is locked and fixed on the two embedded and abutted parts B34 on the shaft lever B33 and can freely move in the X axial direction; the embedding and abutting pieces B34 on each shaft lever B33 are respectively embedded into corresponding grooves B321 on the outer circumference of the pinwheel B32 on the driving shaft B31 by the periphery; a connecting piece B36 is arranged between the front ends of the two shaft rods B33; the spacing member B35 can be replaced according to the width specification of the tape A3 in fig. 1, when the width specification of the tape A3 is changed, only the spacing member B35 needs to be changed and the distance between the two embedded and abutted members B34 on the shaft B33 below the driving shaft B31 needs to be changed, and when the two embedded and abutted members B34 are adjusted, the two pin wheels B32 on the driving shaft B31 and the two embedded and abutted members B34 on the shaft B33 above the driving shaft B31 are linked to be adjusted.
Referring to fig. 4, a belt pressing mechanism B37 is disposed on one side of the two needle wheels B32 on the driving shaft B31, and is provided with a pressing member B372 which is driven by a driving member B371 formed by a pneumatic cylinder to move Y axially toward or away from the two needle wheels B32 on the driving shaft B31, the pressing member B372 is spaced apart from and parallel to the driving shaft B31, the pressing member B372 is rectangular frame-shaped and is provided with a hollow space B373, upper and lower portions of the hollow space B373 are rod-shaped shaft wheels B374, and the pressing member B372 is capable of providing a force for pressing the belt-shaped object against the needle wheels B32 from one side of the two needle wheels B32 on the driving shaft B31 when the pressing member B372 is driven to approach the two needle wheels B32 on the driving shaft B31, so that the two needle wheels B32 can partially abut into the hollow space B373, and the two needle wheels B32 pull the belt-shaped object.
Referring to fig. 1 and 4, a hole position detecting unit B38 is disposed on the fixing plate B2 above the two pin wheels B32 on the driving shaft B31, the hole position detecting unit B38 is disposed with two detectors B382 disposed on an adjusting rod B381 at an X-axis distance apart from the width of the two rows of pinholes a21 of the tape A3 in fig. 1, the detectors B382 are configured to detect the position of the pinhole a21 of the tape A3, so as to determine whether the pinhole a21 corresponds to the inlay B322 on the pin wheel B32 through the tape A3 between the two pin wheels B32 on the driving shaft B31 and the pressing piece B372 of the tape pressing mechanism B37, so as to transmit a message to control the pressing piece B372 of the tape pressing mechanism B37 to be driven to move to the two pin wheels B32 on the driving shaft B31.
Referring to fig. 2, the tape A3 on the tape wheel B5 is on the bonding device B, the first envelope a1 is firstly picked up to be wound on the first reel B6, and the second envelope a2 still adhered with the heat dissipation rubber pad a is pulled along a plurality of X-axis guide bars B21 on the fixing plate B2 to be wound below the bonding mechanism B1 through the space between the bonding mechanism B1 and the alignment inspection unit B4 in a manner that the heat dissipation rubber pad a faces one side of the alignment inspection unit B4, so that the heat dissipation rubber pad a faces downward and is bonded, and only the second envelope a2 remaining after bonding is wound between the needle wheel B32 of the driving mechanism B3 and the pressing member B372, and is wound on the second reel B7 under the detection of the detection unit B38.
The belt-shaped object driving method and mechanism of the embodiment of the invention, wherein the belt-shaped object can be the second envelope A2, by means of the two sides of the second envelope A2 respectively having a row of a plurality of pinholes A21 arranged continuously at equal intervals, and a plurality of convex inlays B322 are arranged on the outer circumference of the two rows of pinholes A21 respectively nested on the outer circumference of the two pinwheels B32 at equal intervals, so that the second envelope A2 of the belt-shaped object is pulled and driven; once the second envelope a2 of the belt is changed, the distance between the two pinwheels B32 is located and adjusted by two engaging members B34 that are coaxially inserted into a shaft B33 at intervals, and the distance between the two engaging members B34 on the shaft B33 below the driving shaft B31 is changed, so the two pinwheels B32 on the driving shaft B31 are linked to adjust, and the adjustment is very convenient.
However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.
[ notation ] to show
First coating film of A heat dissipation rubber mat A1
A21 pinhole of A2 second capsule A21
A3 Material tape A4 Material roll
A41 shaft hole A42 sleeve
B laminating device B1 laminating mechanism
B2 fixed plate B21 guide rod
B31 driving shaft of B3 driving mechanism
B311 convex key B32 pinwheel
B321 groove B322 inlay
B33 shaft B34 embedded part
B35 spacer B36 coupler
B37 belt pressing mechanism B371 driving piece
B372 pressing part B373 hollow-out area
B374 rod-shaped shaft wheel B38 hole site detection unit
B381 adjusting rod B382 detector
B5 material belt wheel of B4 alignment inspection unit
B51 distance sensor B6 first reel
B7 second reel
Claims (13)
1. A belt driving method comprising:
the belt-shaped object with pinholes on both sides is driven and drawn by two pinwheels which are coaxially sleeved on a driving shaft at intervals, and the interval between the two pinwheels is positioned and adjusted by two embedded parts which are coaxially sleeved on a shaft lever at intervals.
2. The belt driving method as claimed in claim 1, wherein the two pinwheels are restricted in rotation relative to the driving shaft in a radial direction, and the two pinwheels are freely displaceable toward and away from each other in an axial direction of the driving shaft.
3. The belt driving method as claimed in claim 1, wherein a force for pressing the belt against the pinwheel is provided from a side of the pinwheel on the driving shaft when the pinwheel pulls the belt.
4. The ribbon drive method as claimed in claim 1, wherein the pinwheel drive pulls the discharge end of the ribbon, and a hole position detecting unit detects the position of the pinhole of the ribbon.
5. A webbing drive mechanism comprising:
the two pinwheels are coaxially sleeved and embedded in a driving shaft at intervals, and a plurality of convex inlays are arranged on the outer circumference of each pinwheel at equal intervals in an annular row;
two embedded parts coaxially embedded in a shaft lever at intervals, wherein the shaft lever and the driving shaft are mutually parallel and arranged on one side of the driving shaft;
the driving shaft can be driven to rotate and drive the two pin wheels to rotate synchronously, and when the distance between the two embedded and abutted pieces on the shaft lever is changed, the two pin wheels on the driving shaft are driven to adjust.
6. The belt drive mechanism as in claim 5, wherein the drive shaft is provided with a radial tab having an axial length exceeding the spacing between the two pinwheels.
7. The belt driving mechanism as claimed in claim 5, wherein the pin wheel is provided with a circumferential groove on an outer circumference thereof, and the engaging member is a disk-shaped wheel body whose circumferential edge is shaped to fit the groove of the pin wheel.
8. The webbing drive mechanism as claimed in claim 7, wherein the two grooves on the two pinwheels are located relatively inward of each other, and the inlays arranged in two rows are located relatively outward of each other.
9. The webbing drive mechanism as claimed in claim 5, wherein the shaft is locked in position after a spacer member is pivotally mounted between the two abutment members.
10. The belt driving mechanism as claimed in claim 5, wherein another shaft is provided on the other side of the driving shaft, the other shaft is spaced from the two engaging members of the sleeve, the shaft and the driving shaft are parallel to each other, and the engaging members are respectively engaged with the corresponding grooves on the outer circumference of the pinwheel on the driving shaft at a periphery thereof.
11. The webbing drive mechanism as claimed in claim 5, wherein a belt pressing mechanism provided with a pressing member which is driven by the driving member to move toward and away from the two pinwheels on the drive shaft is provided on one side of the two pinwheels on the drive shaft.
12. The belt driving mechanism as claimed in claim 11, wherein the pressing member has a hollow portion, the hollow portion is provided with a rod-shaped shaft wheel at upper and lower portions thereof, and the two shaft wheels partially fit into the hollow portion when the pressing member is driven to approach the two pin wheels on the driving shaft.
13. A webbing drive mechanism comprising: a mechanism for performing the belt driving method according to any one of claims 1 to 4.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW108121380 | 2019-06-19 | ||
TW108121380A TWI725450B (en) | 2019-06-19 | 2019-06-19 | Belt driving method and mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112117210A true CN112117210A (en) | 2020-12-22 |
Family
ID=73795643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910957547.3A Withdrawn CN112117210A (en) | 2019-06-19 | 2019-10-10 | Belt driving method and mechanism |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN112117210A (en) |
TW (1) | TWI725450B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW468631U (en) * | 2001-01-18 | 2001-12-11 | Cin Phown Entpr Co Ltd | Device for integrating hole punching of carrier tape and tape sticking mechanism used for chip |
JP2004262577A (en) * | 2003-02-28 | 2004-09-24 | Seiko Epson Corp | Producing method of tape transport device and semiconductor device and semiconductor device |
CN202018953U (en) * | 2011-03-07 | 2011-10-26 | 天津伍嘉联创科技发展有限公司 | Embedded adjustable needle type carrier tape driving mechanism |
CN104627722A (en) * | 2015-01-16 | 2015-05-20 | 歌尔声学股份有限公司 | Automatic double-sided adhesive tape sticking device |
CN205951141U (en) * | 2016-07-25 | 2017-02-15 | 温州意华接插件股份有限公司 | Flat needle material takes material of injection molding machine to take draw gear |
CN107116612A (en) * | 2016-02-25 | 2017-09-01 | 苏州达翔新材料有限公司 | A kind of automatic press make-up machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI556329B (en) * | 2012-12-27 | 2016-11-01 | Market Frontier Ltd | A sealing and packaging method and an improved structure of a sealing machine for carrying out the method |
-
2019
- 2019-06-19 TW TW108121380A patent/TWI725450B/en active
- 2019-10-10 CN CN201910957547.3A patent/CN112117210A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW468631U (en) * | 2001-01-18 | 2001-12-11 | Cin Phown Entpr Co Ltd | Device for integrating hole punching of carrier tape and tape sticking mechanism used for chip |
JP2004262577A (en) * | 2003-02-28 | 2004-09-24 | Seiko Epson Corp | Producing method of tape transport device and semiconductor device and semiconductor device |
CN202018953U (en) * | 2011-03-07 | 2011-10-26 | 天津伍嘉联创科技发展有限公司 | Embedded adjustable needle type carrier tape driving mechanism |
CN104627722A (en) * | 2015-01-16 | 2015-05-20 | 歌尔声学股份有限公司 | Automatic double-sided adhesive tape sticking device |
CN107116612A (en) * | 2016-02-25 | 2017-09-01 | 苏州达翔新材料有限公司 | A kind of automatic press make-up machine |
CN205951141U (en) * | 2016-07-25 | 2017-02-15 | 温州意华接插件股份有限公司 | Flat needle material takes material of injection molding machine to take draw gear |
Also Published As
Publication number | Publication date |
---|---|
TW202101645A (en) | 2021-01-01 |
TWI725450B (en) | 2021-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4875203B2 (en) | Roller type nanoimprint apparatus and method for producing nanoimprint sheet | |
KR100760032B1 (en) | Apparatus for film adhesion | |
JP4342829B2 (en) | Optical film sticking device, method and substrate | |
CN112117210A (en) | Belt driving method and mechanism | |
KR20200000400A (en) | Apparatus for winding adhesive tape role for clealing | |
JP6045817B2 (en) | Sticking method | |
JPH0751143B2 (en) | How to make and attach elastic tape | |
TWI534942B (en) | Sheet manufacturing apparatus and manufacturing method thereof | |
JP6219197B2 (en) | Sheet sticking device and sticking method | |
KR20210114871A (en) | Winding device and winding method | |
JP5881357B2 (en) | Sheet sticking device and sheet manufacturing device | |
JP2009062141A (en) | Sheet conveying device | |
CN112109409A (en) | Method and device for attaching heat dissipation rubber pad | |
ES2278318T3 (en) | DEVICE FOR PRODUCTION OF PRODUCTS IN MULTI-BAND BAND AND CORRESPONDING PROCEDURE. | |
JP6543118B2 (en) | Sheet sticking apparatus and sticking method | |
JP6993872B2 (en) | How to manufacture tire belts | |
JP6920193B2 (en) | Tire belt manufacturing method and manufacturing equipment | |
JP4617769B2 (en) | Band-shaped member bonding method and band-shaped member bonding apparatus | |
JP6823921B2 (en) | Sheet manufacturing equipment and manufacturing method, and sheet pasting equipment and sticking method | |
JP6383285B2 (en) | Sheet feeding apparatus and feeding method | |
JP5667833B2 (en) | Sheet sticking device and sticking method | |
JP5827525B2 (en) | Sheet sticking device and sheet sticking method | |
ES2876243T3 (en) | Unwinder for reels of paper material | |
JP3225039U (en) | Winding device | |
JP6034682B2 (en) | Sheet sticking device and sheet sticking method |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201222 |