CN201015850Y - Vacuum adsorption type working table structure - Google Patents
Vacuum adsorption type working table structure Download PDFInfo
- Publication number
- CN201015850Y CN201015850Y CNU2007200057908U CN200720005790U CN201015850Y CN 201015850 Y CN201015850 Y CN 201015850Y CN U2007200057908 U CNU2007200057908 U CN U2007200057908U CN 200720005790 U CN200720005790 U CN 200720005790U CN 201015850 Y CN201015850 Y CN 201015850Y
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- upper body
- vacuum adsorption
- adsorption type
- type workbench
- workbench structure
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Abstract
The utility model relates to a vacuum working platform structure, which comprises a lower body which is provided with a plurality of interval channels. Top of the lower body is provided with a plurality of grooves which extend along long direction and transverse direction. The interval channel is communicated with the groove. An upper body is fixedly combined with the lower body. The upper body is provided with a plurality of air suction holes which pass through the top and bottom of the upper body; and the air suction hole is corresponding to the groove. The air suction hold of the utility model sucks averagely, which can provide average vacuum suction and achieve good absorbing effect. The locking piece provided with interval by array manner between the upper body and the lower body combines fixedly, which has the advantages of firm combination, average locking force, good planeness of the platform, good sealing performance and no gas leakage.
Description
Technical field
The utility model relates to a kind of vacuum adsorption type workbench structure, particularly relates to a kind of workbench structure of utilizing vacuum suction mode fixation workpiece.
Background technology
Workbench is mainly used in place work piece, processing with convenient workpiece, the existing mode fixation workpiece that utilizes vacuum suction of known workbench, as announce to number and promptly disclose a kind of " vacuum adsorption type workbench " for No. 522912 in the TaiWan, China patent announcement in March 1 2003 Christian era, it has a pedestal, has a room in this pedestal, and on room, cover a platform, pedestal be subjected to platform against and on the pedestal of this abutment face, be provided with a through hole at least, this through hole is communicated to the joint that is locked on pedestal respectively, each joint then is connected to an aspiration pump with a conduit respectively, be provided with an annular groove in the through hole periphery, annular groove is provided with for O shape ring, and O shape ring slightly exceeds the annular groove apical margin; This platform repeatedly is made of mutually a top board and a base plate, this top, base plate central authorities are respectively equipped with perforation, in addition, has the pore that majority runs through on the top plate face, this plate top surface is provided with the air slot of indent to the pore on should top board, this base plate of lead to the hole site of corresponding pedestal is established a perforation in air slot, through hole is connected with air slot.
Above-mentioned known vacuum adsorption type workbench, it only is provided with two air slots in this plate top surface, this two air slot is simple and crude design, and each air slot needs many pores on should top board, can't effectively provide average pull of vacuum for all pores on the top board, so each pore pull of vacuum is not of uniform size, is difficult to the adsorption effect that reaches preferable.
Moreover above-mentioned known vacuum adsorption type workbench, the top board of its platform and base plate only have four jiaos to utilize screw to be locked on the pedestal, in conjunction with more insecure, and locking force is unequal, makes platform be difficult to have preferable flatness, and sealing is relatively poor, and the situation of gas leakage takes place easily.
Improving of the above-mentioned disappearance of the utility model people thoughts is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance finally.
Summary of the invention
Subject matter to be solved in the utility model is, a kind of vacuum adsorption type workbench structure is provided, and it can provide average pull of vacuum, can reach preferable adsorption effect.
Another purpose of the present utility model is to provide a kind of vacuum adsorption type workbench structure, and its locking force is average, make platform have preferable flatness, and sealing is preferable, not situation about can leak gas.
In order to realize above-mentioned purpose, the utility model provides a kind of vacuum adsorption type workbench structure, comprising: body once, be provided with a plurality of runners in this time body, this time body end face is provided with a plurality of grooves, and described groove longitudinally reaches horizontal expansion, and described runner communicates with described groove; And a upper body, this upper body combines with the locking of this time body, and this upper body is provided with a plurality of suction holes, and described suction hole runs through this upper body end face and bottom surface, and described suction hole is corresponding with described groove.
Described body four side down respectively establishes one elongate recesses, and this groove lower edge respectively is formed with a fixed part.
Described intrinsic a plurality of runners down include the first flow and second runner, described first flow along level to extension, described first flow longitudinally reaches horizontal this time body interior of being located at, described second runner is located in the groove corresponding to first flow, described second runner edge is vertically to extension, and described second runner is through to described first flow by described groove.
Described first flow is through to relative opposite side by described body one side down, and described first flow two ends are formed with opening respectively, and are connected with cock body.
Described runner is connected with a control valve and an aspiration pump.
Described runner is connected with a gas bleeder valve.
Described runner is connected with a Pressure gauge.
Described body end face down is formed with a depressed area, and this upper body bottom surface is formed with a protuberance, and this protuberance edge is provided with chamfering, and the protuberance of this upper body is matched with the depressed area of this time body.
Described suction hole edge is vertically to running through, and described suction hole is through to this protuberance bottom surface by this upper body end face.
Described suction hole respectively includes an aperture and a macropore is divided into top and bottom.
Described body down is provided with a plurality of first locking holes, described first locking hole is arranged on this time body with the array way interval, this upper body is provided with a plurality of and corresponding second locking hole of first locking hole, this upper body combines with a plurality of locking part lockings with this time body, respectively be arranged with O shape ring on the described locking part, described locking part passes first locking hole of this time body, is bolted in second locking hole of this upper body.
Described suction hole is with this upper body that is arranged at array way interval.
Described upper body is provided with a plurality of locating holes, and described locating hole optionally is inserted with alignment pin.
Be provided with a gasket seal between described upper body and this time body.
The utlity model has following useful effect: this time body interior is provided with a plurality of runners, and be provided with the groove of crisscross setting in this time body end face, described suction hole is corresponding with the groove of this time body end face, can utilize the guiding of runner and groove, make described suction hole suction average, average pull of vacuum can be provided, can reach preferable adsorption effect.
Moreover, the locking part locking combination that is provided with at interval with array way between this upper body and this time body, it is in conjunction with more firm, and locking force is average, make platform have preferable flatness, and sealing is preferable, not situation about can leak gas.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model workbench structure;
Fig. 2 is the three-dimensional combination figure of the utility model workbench structure;
Fig. 3 is the cutaway view of the utility model workbench structure;
Fig. 4 is the cutaway view of the utility model workbench structure;
Fig. 5 is the user mode schematic diagram of the utility model workbench structure.
Wherein, Reference numeral:
1 time body
11 grooves, 12 fixed parts
13 first flows, 14 control valves
15 gas bleeder valves, 16 Pressure gauges
19 cock bodys, 20 depressed areas
21 grooves, 22 second runners
23 first locking holes, 5 upper bodies
51 protuberances, 52 chamferings
53 suction holes, 531 apertures
532 macropores, 54 second locking holes
55 locating holes, 56 alignment pins
57 gasket seals, 58 locking parts
59 O shapes are encircled 7 workpiece
9 films
The specific embodiment
See also Fig. 1 and Fig. 2, the utility model discloses a kind of vacuum adsorption type workbench structure, it comprises a body 1 and a upper body 5, wherein this time body 1 is made with metal or other material, it roughly is cuboid or other shape, and this time body 1 four side respectively is provided with an elongate recesses 11, and these groove 11 lower edges respectively are formed with a fixed part 12, conveniently to utilize anchor clamps to grip, make this workbench be fixed in the appropriate location.In addition, can stretch out in this time body 1 four side forms lug (figure slightly), so that utilize lug to be fixed in the appropriate location.
As shown in Figures 3 and 4, this time body 1 inside is provided with a plurality of first flows 13, and to running through, described first flow 13 longitudinally reaches horizontal expansion in following body 1 inside, to form crisscross setting to described first flow 13 along level.Described first flow 13 is through to relative opposite side by following body 1 one sides, described first flow 13 two ends are formed with opening respectively, and connect a control valve 14, a gas bleeder valve 15 and a Pressure gauge 16 respectively in described opening, this control valve 14 can further connect an aspiration pump (figure slightly), so that the action that utilizes this aspiration pump to bleed makes the inner vacuum state that forms of workbench.15 of this gas bleeder valves can be in order to let out the vacuum state except that workbench inside.This Pressure gauge 16 can be in order to show the vacuum pressure of workbench inside.Other untapped opening of described first flow 13 two ends cock body 19 that then is spirally connected is sealed this time body 1 end face and is formed with a depressed area 20, this time body 1 end face is provided with a plurality of grooves 21, described groove 21 longitudinally reaches being arranged with on depressed area 20 of horizontal expansion, to form crisscross setting, each groove 21 extends to relative opposite side by depressed area 20 1 sides.Be provided with a plurality of second runners 22 in the groove 21 corresponding to first flow 13, described second runner 22 edges are vertically to extension, first-class road 13, second runners 22 such as described second runner 22 is through to first flow 13 by groove 21, and is described form communicating state with groove 21.
This time body 1 also is provided with a plurality of first locking holes 23, and described first locking hole 23 is with on the whole body 1 down of being distributed in of array way interval, and described first locking hole 23 needs stagger with first flow 13, second runner 22 and groove 21, to avoid gas leakage.Described first locking hole 23 is a fish eyelet, and its edge is vertically to running through, and described first locking hole 23 is through to down body 1 end face and bottom surface.
This upper body 5 is made with metal or other material, and it is and lower semi-body 1 corresponding cuboid or other shape, these upper body 5 bottom surfaces be formed with one with the depressed area 20 corresponding protuberances 51 of following body 1, these protuberance 51 edges also are provided with chamfering 52.This upper body 5 is provided with a plurality of suction holes 53, described suction hole 53 is arranged on the protuberance 51 with the array way interval, and corresponding with the groove 21 of this time body 1 end face, described suction hole 53 edges are vertically to running through, and described suction hole 53 is through to protuberance 51 bottom surfaces by these upper body 5 end faces.Each suction hole 53 includes an aperture 531 and a macropore 532 is divided into top and bottom.
This upper body 5 also is provided with a plurality of second locking holes 54, and described second locking hole 54 is distributed on the whole upper body 5 with the array way interval, and described second locking hole 54 is corresponding with described first locking hole 23.Described second locking hole 54 is the screw of blind hole pattern, and described second locking hole 54 lower ends are through to protuberance 51 bottom surfaces of upper body 5.
These upper body 5 end faces also can be concaved with a plurality of locating holes 55, described locating hole 55 optionally plugs alignment pin 56 (as shown in Figure 5), described alignment pin 56 protrudes in upper body 5 end faces, can be convenient to workpiece against the location, but makes the workpiece accurate in locating in these upper body 5 end faces.
This upper body 5 from top to bottom be combined in this time body 1, and the protuberance 51 that makes this upper body 5 is matched with the depressed area 20 of this time body 1, the chamfering 52 at these protuberance 51 edges can make things convenient for protuberance 51 quick reaching to insert depressed area 20 accurately, and be provided with a gasket seal 57 in protuberance 51 outer race, sealing pad 57 is between upper body 5 and following body 1, in order to promote sealing, to avoid gas leakage.
Locked with a plurality of locking parts 58 between this upper body 5 and this time body 1 and combined, described locking part 58 is a screw, and on each locking part 58, respectively be arranged with O shape ring 59, described locking part 58 from bottom to top passes down first locking hole 23 of body 1, then be bolted in second locking hole 54 of upper body 5, this upper body 5 and 1 locking of this time body are combined as a whole; By above-mentioned composition to form vacuum adsorption type workbench structure of the present utility model.
As shown in Figure 5, when workbench desire of the present utility model is used, workpiece 7 can be positioned on upper body 5 end faces, this workpiece 7 is positioned at corresponding suction hole 53 tops, and utilize film 9 or thin slice to be attached at other suction hole that need not use 53 tops, to seal the suction hole 53 that need not use.Then start the action that this aspiration pump is bled, make the air of workbench inside be able to extract out via first flow 13, second runner 22, groove 21 and suction hole 53, so the suction hole 53 on the upper body 5 can produce pull of vacuum, and workpiece 7 absorption are fixed on the workbench.
Vacuum adsorption type workbench structure of the present utility model, it is as follows to have advantage at least:
1, this time body 1 inside is provided with a plurality of runners 13,22, and be provided with the groove 21 of crisscross setting in this time body 1 end face, described suction hole 53 is also corresponding with the groove 21 of this time body 1 end face, can utilize the guiding of runner 13,22 and groove 21, make described suction hole 53 suction average, average pull of vacuum can be provided, can reach preferable adsorption effect.
2, locking part 58 lockings that are provided with at interval with array way between this upper body 5 and this time body 1 combine, and it is in conjunction with more firm, and locking force is average, make platform have preferable flatness, and sealing is preferable, not situation about can leak gas.
3, cooperate with protuberance 51 and depressed area 20 between this upper body 5 and this time body 1, the structure of this concavo-convex cooperation can effectively prevent gas leakage, and have advantages of good positioning effect in order to promote sealing.
4, be provided with gasket seal 57 between this upper body 5 and this time body 1, can effectively prevent gas leakage in order to promote sealing.
5, combine with a plurality of locking parts 58 lockings between this upper body 5 and this time body 1, and on each locking part 58, respectively be arranged with O shape ring 59, can prevent 23 gas leakage of first locking hole.
6, these upper body 5 end faces are inserted with alignment pin 56, can be convenient to workpiece against the location, but make the workpiece accurate in locating on this upper body 5.
7, suction hole 53 is adopted the design in large and small hole, can conveniently enter the eliminating of the foreign material in the suction hole 53.
The above only is preferred embodiment of the present utility model; be not in order to limit to scope of patent protection of the present utility model; so the equivalence that all utilization the utility model specifications and accompanying drawing content are done changes, and all in like manner all is contained in the rights protection scope of the present utility model.
Claims (14)
1. a vacuum adsorption type workbench structure is characterized in that, comprising:
Once body is provided with a plurality of runners in this time body, and this time body end face is provided with a plurality of grooves, and described groove longitudinally reaches horizontal expansion, and described runner communicates with described groove; And
One upper body, this upper body combines with the locking of this time body, and this upper body is provided with a plurality of suction holes, and described suction hole runs through this upper body end face and bottom surface, and described suction hole is corresponding with described groove.
2. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that this time body four side respectively establishes one elongate recesses, and this groove lower edge respectively is formed with a fixed part.
3. vacuum adsorption type workbench structure as claimed in claim 1, it is characterized in that, the intrinsic a plurality of runners of this time include the first flow and second runner, described first flow along level to extension, described first flow longitudinally reaches horizontal this time body interior of being located at, described second runner is located in the groove corresponding to first flow, and described second runner is along vertically to extension, and described second runner is through to described first flow by described groove.
4. vacuum adsorption type workbench structure as claimed in claim 3 is characterized in that, described first flow is through to relative opposite side by described body one side down, and described first flow two ends are formed with opening respectively, and are connected with cock body.
5. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that described runner is connected with a control valve and an aspiration pump.
6. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that described runner is connected with a gas bleeder valve.
7. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that described runner is connected with a Pressure gauge.
8. vacuum adsorption type workbench structure as claimed in claim 1, it is characterized in that this time body end face is formed with a depressed area, this upper body bottom surface is formed with a protuberance, this protuberance edge is provided with chamfering, and the protuberance of this upper body is matched with the depressed area of this time body.
9. vacuum adsorption type workbench structure as claimed in claim 8 is characterized in that, described suction hole edge is vertically to running through, and described suction hole is through to this protuberance bottom surface by this upper body end face.
10. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that described suction hole respectively includes an aperture and a macropore is divided into top and bottom.
11. vacuum adsorption type workbench structure as claimed in claim 1, it is characterized in that, this time body is provided with a plurality of first locking holes, described first locking hole is arranged on this time body with the array way interval, this upper body is provided with a plurality of and corresponding second locking hole of first locking hole, this upper body combines with a plurality of locking part lockings with this time body, respectively be arranged with O shape ring on the described locking part, described locking part passes first locking hole of this time body, is bolted in second locking hole of this upper body.
12. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that, described suction hole is with this upper body that is arranged at array way interval.
13. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that this upper body is provided with a plurality of locating holes, described locating hole optionally is inserted with alignment pin.
14. vacuum adsorption type workbench structure as claimed in claim 1 is characterized in that, is provided with a gasket seal between this upper body and this time body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200057908U CN201015850Y (en) | 2007-02-16 | 2007-02-16 | Vacuum adsorption type working table structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200057908U CN201015850Y (en) | 2007-02-16 | 2007-02-16 | Vacuum adsorption type working table structure |
Publications (1)
| Publication Number | Publication Date |
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| CN201015850Y true CN201015850Y (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200057908U Expired - Fee Related CN201015850Y (en) | 2007-02-16 | 2007-02-16 | Vacuum adsorption type working table structure |
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| Country | Link |
|---|---|
| CN (1) | CN201015850Y (en) |
Cited By (17)
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| CN102476404A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Positioning component and slicer having same |
| CN102825392A (en) * | 2012-09-12 | 2012-12-19 | 昆山允可精密工业技术有限公司 | Novel vacuum-absorption working platform |
| CN102941546A (en) * | 2012-11-08 | 2013-02-27 | 昆山允可精密工业技术有限公司 | Vacuum absorption platform with two-dimension angle adjustment function |
| TWI395645B (en) * | 2010-11-29 | 2013-05-11 | ||
| CN103128800A (en) * | 2012-12-22 | 2013-06-05 | 武汉金运激光股份有限公司 | Laser cutting machine working table used for machining metal thin films |
| CN103268011A (en) * | 2013-06-05 | 2013-08-28 | 清华大学 | Deformable lens body mounting assembly |
| CN103921228A (en) * | 2014-04-26 | 2014-07-16 | 普乐新能源（蚌埠）有限公司 | Movable vacuum absorption platform |
| CN103921070A (en) * | 2014-04-10 | 2014-07-16 | 哈尔滨飞机工业集团有限责任公司 | Method for processing half frame on upper portion of helicopter body and vacuum sucking clamp |
| CN104191488A (en) * | 2014-07-28 | 2014-12-10 | 广东省宜华木业股份有限公司 | Vacuum absorbing device for processing antiquing grooves in surface of wood floor and floor clamping method |
| CN104669221A (en) * | 2015-03-17 | 2015-06-03 | 合肥京东方光电科技有限公司 | Insulation machine, equipment and method for eliminating static electricity |
| CN105791632A (en) * | 2016-04-29 | 2016-07-20 | 安徽宝葫芦信息科技集团股份有限公司 | Attracting device for paper feeding system of scanner |
| CN106252058A (en) * | 2016-08-22 | 2016-12-21 | 泰州新源电工器材有限公司 | The process equipment of a kind of stay step and processing method thereof |
| CN106826313A (en) * | 2017-02-07 | 2017-06-13 | 广州纬纶信息科技有限公司 | A kind of big sleeve-board cuts out sucker partition control method |
| CN109434703A (en) * | 2018-10-12 | 2019-03-08 | 中航华东光电有限公司 | Flexible adjustable absorption platform |
| CN109443270A (en) * | 2018-12-31 | 2019-03-08 | 天津正天医疗器械有限公司 | A kind of bulb inner conical surface lot size measurement tooling |
| CN109454570A (en) * | 2018-11-12 | 2019-03-12 | 珠海思奇科技有限公司 | Vacuum suction unit, vacuum absorbing platform, vacuum suction system and detection device |
| CN109794877A (en) * | 2019-01-24 | 2019-05-24 | 成都宏明双新科技股份有限公司 | A kind of earpiece mesh enclosure fixture |
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2007
- 2007-02-16 CN CNU2007200057908U patent/CN201015850Y/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI395645B (en) * | 2010-11-29 | 2013-05-11 | ||
| CN102476404A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Positioning component and slicer having same |
| CN102476404B (en) * | 2010-11-30 | 2015-06-24 | 比亚迪股份有限公司 | Positioning component and slicer having same |
| CN102825392A (en) * | 2012-09-12 | 2012-12-19 | 昆山允可精密工业技术有限公司 | Novel vacuum-absorption working platform |
| CN102941546B (en) * | 2012-11-08 | 2015-05-13 | 昆山允可精密工业技术有限公司 | Vacuum absorption platform with two-dimension angle adjustment function |
| CN102941546A (en) * | 2012-11-08 | 2013-02-27 | 昆山允可精密工业技术有限公司 | Vacuum absorption platform with two-dimension angle adjustment function |
| CN103128800A (en) * | 2012-12-22 | 2013-06-05 | 武汉金运激光股份有限公司 | Laser cutting machine working table used for machining metal thin films |
| CN103268011A (en) * | 2013-06-05 | 2013-08-28 | 清华大学 | Deformable lens body mounting assembly |
| CN103268011B (en) * | 2013-06-05 | 2016-04-20 | 清华大学 | Distorting lens mirror body installation component |
| CN103921070A (en) * | 2014-04-10 | 2014-07-16 | 哈尔滨飞机工业集团有限责任公司 | Method for processing half frame on upper portion of helicopter body and vacuum sucking clamp |
| CN103921228A (en) * | 2014-04-26 | 2014-07-16 | 普乐新能源（蚌埠）有限公司 | Movable vacuum absorption platform |
| CN103921228B (en) * | 2014-04-26 | 2016-08-31 | 普乐新能源（蚌埠）有限公司 | Mobile vacuum absorption platform |
| CN104191488A (en) * | 2014-07-28 | 2014-12-10 | 广东省宜华木业股份有限公司 | Vacuum absorbing device for processing antiquing grooves in surface of wood floor and floor clamping method |
| CN104669221A (en) * | 2015-03-17 | 2015-06-03 | 合肥京东方光电科技有限公司 | Insulation machine, equipment and method for eliminating static electricity |
| US9661726B2 (en) | 2015-03-17 | 2017-05-23 | Boe Technology Group Co., Ltd. | Insulation machine platform, substrate-contact type apparatus, and static electricity elimination method |
| CN105791632A (en) * | 2016-04-29 | 2016-07-20 | 安徽宝葫芦信息科技集团股份有限公司 | Attracting device for paper feeding system of scanner |
| CN106252058A (en) * | 2016-08-22 | 2016-12-21 | 泰州新源电工器材有限公司 | The process equipment of a kind of stay step and processing method thereof |
| CN106826313A (en) * | 2017-02-07 | 2017-06-13 | 广州纬纶信息科技有限公司 | A kind of big sleeve-board cuts out sucker partition control method |
| CN109434703A (en) * | 2018-10-12 | 2019-03-08 | 中航华东光电有限公司 | Flexible adjustable absorption platform |
| CN109454570A (en) * | 2018-11-12 | 2019-03-12 | 珠海思奇科技有限公司 | Vacuum suction unit, vacuum absorbing platform, vacuum suction system and detection device |
| CN109454570B (en) * | 2018-11-12 | 2021-01-01 | 珠海思奇科技有限公司 | Vacuum adsorption unit, vacuum adsorption platform, vacuum adsorption system and detection device |
| CN109443270A (en) * | 2018-12-31 | 2019-03-08 | 天津正天医疗器械有限公司 | A kind of bulb inner conical surface lot size measurement tooling |
| CN109794877A (en) * | 2019-01-24 | 2019-05-24 | 成都宏明双新科技股份有限公司 | A kind of earpiece mesh enclosure fixture |
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| C14 | Grant of patent or utility model | ||
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Free format text: CORRECT: CO-PATENTEE TO: SHEN YANPING ¬ |
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| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Shen Yanping Number: 06 Page: The title page Volume: 24 |
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| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Shen Yanping Number: 06 Volume: 24 |
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