CN201023318Y - Film tearing device - Google Patents
Film tearing device Download PDFInfo
- Publication number
- CN201023318Y CN201023318Y CNU2007201401654U CN200720140165U CN201023318Y CN 201023318 Y CN201023318 Y CN 201023318Y CN U2007201401654 U CNU2007201401654 U CN U2007201401654U CN 200720140165 U CN200720140165 U CN 200720140165U CN 201023318 Y CN201023318 Y CN 201023318Y
- Authority
- CN
- China
- Prior art keywords
- glued membrane
- flashboard
- dyestripping
- peeling unit
- coat peeling
- 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.)
- Expired - Lifetime
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Abstract
A dyestripping device is provided with at least a flashboard in the machine table frame equipped with a dyestripping machine and a dyestripping roller, wherein the dyestripping machine can stick and lift the rubber film end corner on the bottom of a substrate, the roller can move around the dyestripping place adjacent to the bottom of the substrate to tear the rubber film. The flashboard is provided with a plurality of negative pressure air intake which can absorb the tearout rubber film, the flashboard accepts a displacement from a first driver to drag the tearout rubber film to separate from the adhesive tape on the dyestripping machine, meanwhile accepts a drive from a second driver to lift a lock entrance to release the rubber film, thereby promoting the success rate of the automatic dyestripping and reducing the equipped length of the machine table.
Description
Technical field
The utility model relates to a kind of coat peeling unit, and the glued membrane that is attached at the glass substrate top layer of display pannel is particularly carried out and pasted glutinous this glued membrane and also remove and pick the device of receipts.
Background technology
The glass substrate top layer of display pannel; usually be pasted with the glued membrane of protective effect; in display pannel manufacturing process; this glued membrane must be removed; can be between two glass substrates the filling liquid crystal; and then and filtering assembly fit, and further be assembled into display pannel (Display Panel) with the backlight assembly matched moulds.Therefore, the protection glued membrane on glass substrate (hereinafter to be referred as substrate) top layer is removed, become the problem that to face in the panel automation assembling processing procedure.
Except adopting the mode that manually removes substrate top layer glued membrane, a kind of automatic dyestripping technology of the many employings of present stage industry is to adapt to the demand of automatic production line.As cases such as No. the 200616844th, TaiWan, China patent disclosure, bulletin I256504 number, M284624 number and M265328 numbers; disclosed the technology that several can remove plate or on-chip protection glued membrane automatically; the common point of these technology; all be to utilize an adhesive tape that is wound between a plurality of runners; be butted on plate or substrate top or lower surface with subsides, the technology that glued membrane is removed automatically.Wherein, No. 200616844 prior art also discloses and uses a fixture block, the technology that when described adhesive tape pastes to glued membrane glued membrane is removed automatically; And the I256504 prior art also discloses for described adhesive tape top configuration one sensing apparatus, pastes the tram of glued membrane to detect adhesive tape.In addition, this country's patent also discloses a kind of blower mechanism that utilizes for M264801 number plate or on-chip glued membrane is blown open, and the clamping device of being located in the travel mechanism of arranging in pairs or groups, the glued membrane clamping that will be blown open is then moved, to remove the technology of plate or on-chip glued membrane.
Yet above-mentioned prior art is also imperfect in practical operation, and its reason is: use adhesive tape to paste viscose film person, though can remove glued membrane on plate or substrate, after glued membrane was removed, difficulty was ripped glued membrane from adhesive tape; And using blower mechanism to blow plate or on-chip glued membrane person open, its glued membrane is not too high by the fraction defective that blowing is raised; In addition, the stroke that the excess waste adhesive tape is also arranged or use fixture block to move dyestripping exceeds at least one times of problem such as glued membrane width, demands urgently being improved.
Summary of the invention
Main purpose of the present utility model is to provide a kind of coat peeling unit, and substrate top layer glued membrane is pasted and raised to this device with the dyestripping device earlier, continues and lifts except that this glued membrane through roller bearing, and break away from the dyestripping device from adhesive tape traction glued membrane easily behind dyestripping.
Another purpose of the utility model is to provide a kind of coat peeling unit that breaks away from the glued membrane behind the dyestripping device that is easy to take in.
For realizing above-mentioned purpose, the utility model comprises:
One board framework;
One dyestripping device is located on the described board framework, can be stained with the glued membrane end angle that sticks and raise substrate bottom;
One roller bearing is located in the board framework adjacent substrate bottom and is removablely removed above-mentioned glued membrane; And
At least one flashboard that is arranged at dyestripping device side, plate is provided with some suction holes that can adsorb the glued membrane that is removed, and flashboard is accepted one first driver drives displacement and is drawn the glued membrane disengaging dyestripping device that is removed, and flashboard is accepted the driving of one second driver and raise a sluice gate to discharge glued membrane simultaneously.
Aforesaid coat peeling unit, wherein a negative pressure trough is established in the flashboard bottom, be connected with some suction holes, and negative pressure trough connects a negative voltage supply pipe.
Aforesaid coat peeling unit, wherein the flashboard and second driver are located at and are accepted the first driver drives displacement on the slide unit.
Aforesaid coat peeling unit, wherein flashboard is articulated on this slide unit via at least one swing arm, raises sluice gate with the driving of accepting second driver on the slide unit and discharges glued membrane.
Aforesaid coat peeling unit wherein comprises at least one clamper more, is located at flashboard also or on the upper surface of its adjacent side slid platform, by the driving of at least one the 3rd driver, and clamping is attracted to the glued membrane end limit on the flashboard.
Aforesaid coat peeling unit wherein comprises a glued membrane storage tank more, is located at the sluice gate bottom and takes in d/d glued membrane.
Aforesaid coat peeling unit, wherein the glued membrane storage tank is formed in the pullable groove cabinet, and this groove cabinet is slidedly arranged in the board framework of sluice gate bottom.
Adopt technique scheme, the utility model possesses following characteristic and usefulness:
1. directly remove glued membrane in the adjacent substrate bottom by the packaged type roller bearing, can reduce the required stroke distances of dyestripping, and then reduction board configured length.
2. by the absorption of packaged type flashboard or even clamping and draw this glued membrane, be easy on the limited board configuration space, the control glued membrane breaks away from the operation yield of dyestripping device.
3. packaged type is drawn the flashboard of glued membrane, make and to raise sluice gate release glued membrane form, and, help to make full use of the vertical space of board, to reduce the waste of board idle space in this sluice gate bottom configuration glued membrane storage tank.
For in detail the utility model being described in detail more, enumerate preferred embodiment and description of drawings as back:
Description of drawings
Fig. 1: be the vertical view of the utility model coat peeling unit.
Fig. 2: be the cut-away view of A-A section among Fig. 1.
Fig. 3: be the cut-away view of B-B section among Fig. 2.
Fig. 4: for amplifying cut-away view in the part of flashboard of the present utility model.
Fig. 5: for the utility model will stick the action schematic diagram that the substrate that glued membrane is arranged moves to the coat peeling unit top.
Fig. 6: for the utility model will move the action schematic diagram that sticks in the glued membrane bottom on the adhesive tape in the dyestripping device.
Fig. 7: the action schematic diagram of by adhesive tape glued membrane end angle being lifted off downwards from substrate bottom for the utility model.
Fig. 8: for the utility model with the pinch roller pressure holding in by the action schematic diagram at place, the glued membrane end angle of being lifted off.
Fig. 9: paste wheel and pinch roller and strengthen to the dyestripping direction downwards and draw back the action schematic diagram that tears off area between glued membrane and substrate for the utility model drives.
Figure 10: move to remove the action schematic diagram of glued membrane toward the dyestripping direction for the utility model drives roller bearing.
Figure 11: be the view of the utility model by flashboard absorption glued membrane.
Figure 12: for break away from the action schematic diagram of adhesive tape under continuity Figure 12 state by flashboard traction glued membrane.
Figure 13: raise flashboard release glued membrane for the utility model and fall into the action schematic diagram of collecting in the storage tank.
Figure 14: the local amplification plan view of setting up the glued membrane clamper for the utility model.
The primary clustering symbol description:
1--board framework; 2--dyestripping device; The 20--bearing; The 2--adhesive tape; The 22--supply wheel; 23--takes in wheel; 24--pastes wheel; The 25--idle pulley; The 26--drive; The 27--rocking arm; 28--first elects device; The 29--pinch roller; The 3--roller bearing; The 31--slideway; The 32--slide; The 33--belt; The 34--motor; The 4--flashboard; The 40--suction hole; 41--first driver; 42--second driver; The 43--sluice gate; The 44--negative pressure trough; 45--; Negative voltage supply pipe 46--slide unit; The 46--upper surface; The 47--swing arm; The 48--clamper; 49--the 3rd driver; The 5--storage tank; 51--groove cabinet; The 52--slider; The 6--substrate; The 60--glued membrane; 601--glued membrane end angle; The 7--slide; The 71--slide rail; 72--second elects device; 73--the 3rd elects device; The 8--absorber; The H--hauling distance.
The specific embodiment
Please refer to following graphicly, preferable example of the present utility model be described:
Fig. 1 is the vertical view of the utility model coat peeling unit, and Fig. 2 is the cut-away view that discloses A-A section among Fig. 1, and Fig. 3 is for disclosing the cut-away view of B-B section among Fig. 2, and Fig. 4 is that cut-away view is amplified in the part of the utility model flashboard.
By visible coat peeling unit of the present utility model among the above-mentioned figure, in a board framework 1, be provided with and comprise: a dyestripping device 2, a packaged type roller bearing 3 and at least one flashboard 4.Wherein:
Be arranged with in this dyestripping device 2 (as shown in Figure 5) and can be stained with the adhesive tape 21 that sticks and raise the glued membrane 60 of a substrate 6 bottoms; On the implementation, be contained in runner and at least one drive 26 that a plurality of energy winding adhesive tapes 21 are set on the bearing 20, these runners can comprise an adhesive tape supply wheel 22, and take in the idle pulley 25 that wheel 23, is pasted wheel 24 and at least one controlled glue belt tension, this drive 26, supply wheel 22 and take in the wheel 23 on configurable gear be meshing with each other, and drive rotation one special angle by a motor, move one on the wheel 24 and can paste and raise a glued membrane end angle 601 particular row distance of (cooperating shown in Figure 7) pasting to drive adhesive tape 21.In addition, the rocking arm 27 and one first that is pivoted in addition on (cooperating shown in Figure 8) above-mentioned bearing is elected device 28, the end of this rocking arm 27 pinch roller 29 that is pivoted, and rocking arm 27 can accept first and elect the driving of device 28, and pinch roller 29 pressure holdings are pasted on the face in adhesive tape 21 1.Moreover, as shown in Figure 9, above-mentioned bearing 20 1 ends are hubbed on the slide 7, slide 7 is by being slidedly arranged on the board framework 1 by at least one slide rail 71, and slide 7 is connected one second and elects device 72 with 1 of board framework, but drive socket 20 moves a particular row distance toward the dyestripping direction, and bearing 20 other ends are connected one the 3rd election device 73 with 7 of slides simultaneously, can drive in bearing 20 swings and move (cooperating shown in Figure 6), paste the glued membrane 60 that wheel 24 upwards pushed against and pasted substrate 6 bottoms and make.Above-mentioned first and second and three elect the equivalent driver that devices 26,72 and 73 can be pneumatic cylinder or other application of force that can very contract on the implementation.In the utility model, as long as this dyestripping device 2 possesses and can be stained with glutinous and raise the ability person at glued membrane end angle 601 on the substrate 6, can be used in this, to organize the composition details of establishing above-mentioned adhesive tape or drive mechanism not limited because of having or not.
This roller bearing 3 (as shown in Figure 5) is located at adjacent substrate 6 bottoms and the removable position that removes the glued membrane of being raised 60; On the implementation, be contained in board framework 1 at least one distolateral inside one slideway 31 (as shown in Figure 1 to Figure 3) is set, and in the sliding slide 32 of establishing on 31 on the slideway, and roller bearing 3 is hubbed on this slide 32, while also links a belt 33 on slide 32, by a motor 34 of being located on the board framework 1, drive this belt 33 and drive slides 32 in slideway 31 top offsets, make roller bearing 3 lift glued membrane 60 gradually from the end portable (as shown in figure 10) of raising of glued membrane 60 except that substrate 6 bottoms.Yet, in the utility model,, can be used in this as long as this packaged type roller bearing 3 possesses the ability person who moves between can lifting except that glued membrane 60 stroke distances, not limited because of the composition details of above-mentioned drive mechanism.In addition, the shift motion of roller bearing 3 just in time is adjacent to substrate 6 bottoms, and is slightly larger than and waits that the length of tearing glued membrane 60 gets final product.
This flashboard 4 (as shown in Figure 1 to Figure 3) is located in the base station framework 1 of dyestripping device 2 sides, on the implementation, be contained in and offer some suction holes 40 (cooperating shown in Figure 4) that can adsorb the glued membrane 60 that is removed on the flashboard 4, and flashboard 4 is accepted one first driver, 41 drive displacement and is drawn the glued membrane 60 disengaging adhesive tapes 21 (cooperating Figure 11 to shown in Figure 12) that removed, and flashboard 4 is accepted the driving of one second driver 42 and raised the sluice gate 43 (as shown in figure 13) that a release glued membrane is used simultaneously.Therebetween, tool one negative pressure trough 44 (as shown in Figure 4) is established in these flashboard 4 bottoms, be connected with some suction holes 40, and negative pressure trough 44 connects a negative voltage supply pipe 45, make the glued membrane 60 that has negative pressure source to be raised on the flashboard 4 with absorption, this negative pressure source also can be closed when flashboard 4 is raised sluice gate 43, to discharge glued membrane 60.Moreover the flashboard 4 and second driver 42 (as shown in Figures 2 and 3) are located on the slide unit 46 and are accepted first driver, 41 drive displacement, the adhesive tape 21 (as shown in figure 12) on the glued membrane 60 disengaging dyestripping devices that flashboard 4 can be drawn removed.Again, flashboard 4 is articulated on this slide unit 46 via at least one swing arm 47 (as shown in Figure 4), raises sluice gate 43 with the driving of accepting second driver 42 and discharges glued membrane 60 (as shown in figure 13).Above-mentioned first and second driver 41 and 42 can be the equivalent driver of pneumatic cylinder or other application of force that can very contract on the implementation.
Except that above-mentioned, the utility model also can comprise a glued membrane storage tank 5, is located at sluice gate 43 bottoms basically and can takes in the position of d/d glued membrane 60 (as Fig. 2 and shown in Figure 13).Yet in concrete more enforcement, this storage tank 5 can be formed in the drawing and pulling type groove cabinet 51, these groove cabinet 51 bilaterals can be established a slider 52 respectively and be slidedly arranged in the board framework 1 of sluice gate 43 bottoms, in order to groove cabinet 51 being pulled out some glued membranes 60 of being heaped in the removal storage tank 5.
According to foregoing, can specifically implement the utility model, comprise:
Use a substrate absorber 8 that can precisely move, absorption one is sticked the substrate 6 that glued membrane 60 is arranged and is moved to the utility model coat peeling unit top (as shown in Figure 5), make in 20 swings of the 3rd election device 73 drive socket and move (as shown in Figure 6), make and paste the glued membrane end angle 601 that wheel 24 upwards pushed against and pasted substrate 6 bottoms, continue to make drive 26 driving adhesive tape supply wheels 22 and take in wheel 23 one special angle of rotation in the same direction synchronously, move the particular row distance that to raise glued membrane end angle 601 to drive adhesive tape 21 (as shown in Figure 7) on the wheel 24 in pasting, and glued membrane end angle 601 lifted off from substrate 6 bottoms, and glued membrane end angle 601 is attached on the adhesive tape 21, then make the first pinch roller 29 pressure holding adhesive tapes of electing on the device 28 driving rocking arms 27 paste the glued membrane end angle 601 (as shown in Figure 8) of being lifted off on the face, and make the 3rd to elect device 73 drive socket 20 bottoms reset (as shown in Figure 9), can drive simultaneously the second election device, 72 drive bearings 20 and move a particular row distance toward the dyestripping directions, make and paste wheel 24 and pinch roller 29 and can reach downwards to the dyestripping direction and strengthen the area that tears off draw back 6 of glued membrane 60 and substrates, move (as shown in figure 10) so that drive roller bearing 3 toward the dyestripping direction, and push away and touch glued membrane 60 and break away from substrate 6 gradually, till removing glued membrane 60 fully, glued membrane 60 can be stabilized be adsorbed on the flashboard 4 of dyestripping device 2 sides (as shown in figure 11), continuous first driver 41 that makes drives flashboard 4 displacements one specific and hauling distance H (as shown in figure 12) that extremely lack, the glued membrane 60 that is removed with traction breaks away from adhesive tape 21, subsequently and drive second driver 42 and make flashboard 4 raise (as shown in figure 13) downwards, and demonstration discharges the sluice gate 43 of glued membrane 60 usefulness, also close negative pressure source on the flashboard 4 this moment, makes glued membrane 60 be able to be released and heap to falling into glued membrane storage tank 5 in from sluice gate 43.Therebetween, glued membrane 60 from substrate 6 when being removed, absorber 8 just can be with the work station of the follow-up assembling processing procedure of substrate 6 migrations of dyestripping, to finish automatic dyestripping operation.
In addition, on the upper surface 461 of the slide unit 46 of flashboard 4 of the present utility model or its adjacent side, at least one clamper 48 (as shown in figure 14) also can be set, each clamper 48 drives via at least one the 3rd driver 49, and clamping is attracted to the glued membrane 60 end limits on the flashboard 4, reaction force when glued membrane 60 is drawn in the negative pressure opposing in the auxiliary suction hole 40 is to promote the success rate that traction glued membrane 60 breaks away from adhesive tape 21; At least one therebetween the 3rd driver 49 can be specifically designed to and very stretch and the clamper 48 of withdrawing, or uses as driving the driver that clamper 48 leaves folder and close folder, and its configuration quantity is not therefore and limited certainly.
In sum, only be preferable exemplifying embodiment of the present utility model, be not in order to limit the utility model; All other do not break away from equivalence of the present utility model to be modified or displacement, all should be contained in the utility model scope.
Claims (8)
1. a coat peeling unit is characterized in that, comprises:
One board framework;
One dyestripping device is located on the described board framework;
One is located in the board framework also movably in order to remove the roller bearing of glued membrane; And
At least one flashboard that is arranged at dyestripping device side, plate are provided with the suction hole of the glued membrane that a plurality of absorption are removed, and flashboard accepts one first driver drives displacement, and flashboard is accepted the driving of one second driver simultaneously.
2. coat peeling unit as claimed in claim 1 is characterized in that, wherein a negative pressure trough that is connected with a plurality of suction holes is established in the flashboard bottom, and negative pressure trough connects a negative voltage supply pipe.
3. coat peeling unit as claimed in claim 1 is characterized in that, wherein the flashboard and second driver are located at and are accepted the first driver drives displacement on the slide unit.
4. coat peeling unit as claimed in claim 3 is characterized in that wherein flashboard is articulated on this slide unit by at least one swing arm.
5. coat peeling unit as claimed in claim 1 is characterized in that, wherein comprises at least onely to be subjected at least one the 3rd driver drives to be attracted to the clamper on the glued membrane end limit on the flashboard with clamping, and it is located on the flashboard.
6. coat peeling unit as claimed in claim 1 is characterized in that, wherein comprises at least onely to be subjected at least one the 3rd driver drives to be attracted to the clamper on the glued membrane end limit on the flashboard with clamping, and it is located on the upper surface of the adjacent side slid platform of flashboard.
7. coat peeling unit as claimed in claim 1 is characterized in that, wherein also comprises to be located at the sluice gate bottom to take in the glued membrane storage tank of d/d glued membrane.
8. coat peeling unit as claimed in claim 7 is characterized in that, wherein the glued membrane storage tank is located in the drawing and pulling type groove cabinet, and this groove cabinet is slidedly arranged in the board framework of sluice gate bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201401654U CN201023318Y (en) | 2007-04-11 | 2007-04-11 | Film tearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201401654U CN201023318Y (en) | 2007-04-11 | 2007-04-11 | Film tearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201023318Y true CN201023318Y (en) | 2008-02-20 |
Family
ID=39097172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201401654U Expired - Lifetime CN201023318Y (en) | 2007-04-11 | 2007-04-11 | Film tearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201023318Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786418A (en) * | 2014-02-19 | 2014-05-14 | 苏州博众精工科技有限公司 | Membrane separating mechanism |
| CN104228311A (en) * | 2013-06-24 | 2014-12-24 | 均豪精密工业股份有限公司 | Corner film tearing device |
| CN104267034A (en) * | 2014-09-11 | 2015-01-07 | 汕头轻工装备研究院 | Visual inspection equipment of backlight screen |
| CN104843258A (en) * | 2015-03-20 | 2015-08-19 | 深圳市思沃精密机械有限公司 | Method for tearing off films wrapping plate |
| CN105819045A (en) * | 2016-05-16 | 2016-08-03 | 武汉皓扬天科技有限公司 | Film stripping device |
| CN106714454A (en) * | 2015-11-13 | 2017-05-24 | 建业科技电子（惠州）有限公司 | Intelligent flexible circuit board film tearing device |
| CN109177439A (en) * | 2018-11-01 | 2019-01-11 | Tcl王牌电器(惠州)有限公司 | Display screen assists dyestripping device |
| CN110654664A (en) * | 2019-09-27 | 2020-01-07 | 珂尔默(东莞)制造技术有限公司 | Automatic film uncovering device for surface protection film of plate material |
| TWI685423B (en) * | 2019-09-05 | 2020-02-21 | 施文良 | Film tearing device |
| CN111516365A (en) * | 2020-05-15 | 2020-08-11 | 博众精工科技股份有限公司 | Film tearing device |
| CN111516366A (en) * | 2020-05-15 | 2020-08-11 | 博众精工科技股份有限公司 | Lifting type film tearing device |
-
2007
- 2007-04-11 CN CNU2007201401654U patent/CN201023318Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228311A (en) * | 2013-06-24 | 2014-12-24 | 均豪精密工业股份有限公司 | Corner film tearing device |
| CN103786418A (en) * | 2014-02-19 | 2014-05-14 | 苏州博众精工科技有限公司 | Membrane separating mechanism |
| CN104267034A (en) * | 2014-09-11 | 2015-01-07 | 汕头轻工装备研究院 | Visual inspection equipment of backlight screen |
| CN104843258B (en) * | 2015-03-20 | 2017-01-18 | 广东思沃精密机械有限公司 | Method for tearing off films wrapping plate |
| WO2016150345A1 (en) * | 2015-03-20 | 2016-09-29 | 广东思沃精密机械有限公司 | Method for peeling coated plate |
| CN104843258A (en) * | 2015-03-20 | 2015-08-19 | 深圳市思沃精密机械有限公司 | Method for tearing off films wrapping plate |
| CN106714454A (en) * | 2015-11-13 | 2017-05-24 | 建业科技电子（惠州）有限公司 | Intelligent flexible circuit board film tearing device |
| CN105819045A (en) * | 2016-05-16 | 2016-08-03 | 武汉皓扬天科技有限公司 | Film stripping device |
| CN105819045B (en) * | 2016-05-16 | 2018-01-12 | 武汉皓扬天科技有限公司 | A kind of coat peeling unit |
| CN109177439A (en) * | 2018-11-01 | 2019-01-11 | Tcl王牌电器(惠州)有限公司 | Display screen assists dyestripping device |
| TWI685423B (en) * | 2019-09-05 | 2020-02-21 | 施文良 | Film tearing device |
| CN110654664A (en) * | 2019-09-27 | 2020-01-07 | 珂尔默(东莞)制造技术有限公司 | Automatic film uncovering device for surface protection film of plate material |
| CN110654664B (en) * | 2019-09-27 | 2021-04-09 | 珂尔默(东莞)制造技术有限公司 | Automatic film uncovering device for surface protection film of plate material |
| CN111516365A (en) * | 2020-05-15 | 2020-08-11 | 博众精工科技股份有限公司 | Film tearing device |
| CN111516366A (en) * | 2020-05-15 | 2020-08-11 | 博众精工科技股份有限公司 | Lifting type film tearing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080220 |
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| CX01 | Expiry of patent term |