CN201067831Y - Laser multi-point multi-plate welding working equipment - Google Patents
Laser multi-point multi-plate welding working equipment Download PDFInfo
- Publication number
- CN201067831Y CN201067831Y CN 200720069551 CN200720069551U CN201067831Y CN 201067831 Y CN201067831 Y CN 201067831Y CN 200720069551 CN200720069551 CN 200720069551 CN 200720069551 U CN200720069551 U CN 200720069551U CN 201067831 Y CN201067831 Y CN 201067831Y
- Authority
- CN
- China
- Prior art keywords
- fagging
- slide unit
- welding
- slide
- base plate
- 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 - Fee Related
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a welding tool, which more particularly discloses a laser multipoint and multiboard welding tool. The utility model comprises a control system, a hydraulic system, a positioning clamping system and a base; wherein, the positioning clamping system comprises a crest slab, an upper bracing plate, a slid platform, a slid base, a lower bracing plate, a bottom plate, an elastic compaction mechanism, a guide pole, a pressed compact and a locating plunger; wherein, the upper bracing platform is fixedly arranged on the slid platform which is arranged on the slid base in a sliding way and the slide base is fixedly arranged on the bottom plate; the lower bracing plate is arranged between the slid platform and the bottom plate and can slid up and down along the guide pole by taking the guide as a guide with the bottom dead center contacting the bottom plate; the pressed compact is fixedly connected with the locating plunger by the upper end of the elastic compaction mechanism; since each welding spot has an individual pressed compact, each welding spot can be clamped closely and the compact force of the welding spot can be adjusted reasonably according to the height of a working piece, so as to meet the demand of the welding of the framework backrest assembly of car seats.
Description
Technical field
The utility model relates to laser welding tooling anchor clamps, specifically a kind of welding tooling that utilizes laser to carry out many plates, multiple spot, many combining forms.
Background technology
Automobile chair frame backrest assembly is the large laser weldment of many plates, multiple spot, many combining forms.Nearly 67 of single-piece solder joints, Type of Welding I is that (the weldering plate thickness is 0.8mm to the three plates welding of 2 places, 1.2mm, 2.5mm), Type of Welding II is that (the weldering plate thickness is 0.8mm to the two plates welding of 2 places, 2.5mm), Type of Welding III is that (the weldering plate thickness is 0.8mm to the two plates welding of 5 places, 1.0mm), Type of Welding IV is that (the weldering plate thickness is 0.8mm to the two plates welding of 58 places, 1.2mm).Welding and assembling height is all inequality everywhere, requires the welding thrust also inequality.
Therefore design and a kind ofly can satisfy different welding and assembling height needs, each solder joint adjustable in pressure, can guarantee the laser weld requirement, and the flatness on bond pad locations plane becomes the technical barrier that those skilled in the art press for solution with the tight laser weld frock that contacts between welding work pieces.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of many plates of laser multiple spot welding tooling that can satisfy different welding and assembling height needs, each solder joint adjustable in pressure, dismantle flexible and clamping good reliability, to satisfy the needs of automobile chair frame backrest assembly welding.
The technical scheme of the utility model technical solution problem is as follows:
A kind of many plates of laser multiple spot welding tooling, comprise control system, hydraulic system, locating clip clamping system and base, described locating clip clamping system is fixedly installed on the base, described locating clip clamping system links to each other with hydraulic system, control system links to each other with the locating clip clamping system with hydraulic system respectively, it is characterized in that described locating clip clamping system comprises top board, last fagging, slide unit, slide, following fagging, base plate, elastic compression mechanism, guide pillar, briquetting and alignment pin;
Described top plate supporting is in the guide pillar upper end, and top board is provided with welding hole, and the position of welding hole and the welding position of workpiece adapt, and the guide pillar lower end is fixedly installed on four jiaos of bases;
The described fagging of going up is fixedly installed on the slide unit;
What described slide unit slided is arranged on the slide, and described slide is fixedly installed on the base plate;
Described fagging down is arranged between slide unit and the base plate, and it is guiding with the guide pillar, can slide up and down along guide pillar, and its lower dead center contacts with base plate;
Described briquetting is fixedlyed connected by the upper end of elastic compression mechanism respectively with alignment pin, and the quantity of solder joint is identical on the quantity of described briquetting and the workpiece, the shape of briquetting with adapt with the weld shape of corresponding solder joint and the welding and assembling height of solder joint highly respectively;
Described elastic compression mechanism comprises bottom elastic component and upper resilient member, and when fagging rose instantly, the upper end of bottom elastic component contacted with the lower end of upper resilient member, and elastic component lower end, described bottom is connected with following fagging; The upper resilient member lower end is connected with slide unit, and its upper end through hole from the last fagging stretches out.
By above disclosed technical scheme as can be known, the utility model is by being provided with top board, fagging, base plate and guide pillar up and down, utilize top board to be pressed on the seat reclining backboard, because the place, welding position corresponding to workpiece on top board leaves welding hole, laser beam can see through welding hole the back backrest is welded; In addition, last fagging can be moved horizontally to the loading position with slide unit, at this moment, back backrest part is put on fagging alignment pin and the briquetting successively, slide unit is delivered to the welding position to workpiece under the effect of sideslip oil cylinder, then under the effect of hydraulic system, following fagging is to move up with the guide pillar, be clamped between elastic compression mechanism and the top board up to workpiece, and because the quantity of briquetting is identical with number of welds, thereby make each solder joint that independently briquetting be arranged, can realize that each solder joint clamps separately, and can realize the reasonable adjusting of solder joint thrust according to the difference of workpiece height, the adjustment of thrust realizes by the regulating spring decrement, by stroke regulating mechanism is set, can regulate the workpiece stroke in addition on base plate.
The advantage of many plates of the utility model laser multiple spot welding tooling: the thrust of (1) any weld seam can be adjusted separately, makes weld seam weldering plate keep suitable thrust, guarantees closely to contact between welding plane and weldment, reaches the laser weld requirement; (2) can carry out manual control operation and control operation automatically, easy to adjust, high efficiency; (3) any briquetting is adjusted separately, and briquetting can be changed separately voluntarily after finding the briquetting excessive wear and damaging, and frock is easy to maintenance, economical.Can satisfy different welding and assembling height needs, realize each solder joint adjustable in pressure.The utility model is particularly useful for the laser weld of auto parts.
Description of drawings
Fig. 1 is the structural representation of facing of the utility model welding tooling specific embodiment;
Fig. 2 is the top board structure figure of Fig. 1 embodiment;
Fig. 3 is the syndeton enlarged diagram of elasticity hold-down mechanism and briquetting among Fig. 1;
Fig. 4 be among Fig. 1 A to structural representation.
The specific embodiment
As depicted in figs. 1 and 2, many plates of the utility model laser multiple spot welding tooling, comprise control system, hydraulic system 1, locating clip clamping system 2 and base 3, described locating clip clamping system 2 is fixedly installed on the base 3, described locating clip clamping system 2 links to each other with hydraulic system 3, control system links to each other with locating clip clamping system 2 with hydraulic system 1 respectively, and described locating clip clamping system 2 comprises top board 201, last fagging 202, slide unit 203, slide 204, following fagging 205, base plate 206, elastic compression mechanism 207, guide pillar 208, briquetting 209 and alignment pin 210;
Described top board 201 is supported on guide pillar 207 upper ends, and top board 201 is provided with welding hole 218, and the welding position of the position of welding hole 218 and workpiece 4 adapts (as shown in Figure 3), and guide pillar 207 lower ends are fixedly installed on 3 four jiaos of bases;
The described fagging 202 of going up is fixedly installed on the slide unit 203;
What described slide unit 203 slided is arranged on the slide 204, and described slide 204 is fixedly installed on the base plate 206;
Described fagging 205 down is arranged between slide unit 203 and the base plate 206, and it is a guiding with guide pillar 208, can slide up and down along guide pillar 208, and its lower dead center contacts with base plate 206;
Described briquetting 209 and alignment pin 210 are fixedly installed on the upper end of elastic compression mechanism 207 respectively, the quantity of solder joint is identical on the quantity of described briquetting 209 and the workpiece, the shape of briquetting 209 with adapt with the weld shape of corresponding solder joint and the welding and assembling height of solder joint highly respectively.As: weld seam is a U type weld seam, and corresponding briquetting 209 crosscuts are shaped as the U type, and weld bead height is according to the thick decision of total material of the soldering part of different solder joints.
Described elastic compression mechanism 207 comprises bottom elastic component and upper resilient member, and when fagging rose instantly, the upper end of bottom elastic component contacted with the lower end of upper resilient member, and elastic component lower end, described bottom is connected with following fagging 205; The upper resilient member lower end is connected with slide unit 203, and its upper end through hole from the last fagging 202 stretches out.
As shown in Figure 3, described bottom elastic component comprises lower spring 211, down-pressed pole 212 and contiguous block 213, described down-pressed pole 212 upper ends are provided with block 214, described lower spring 211 is playing between fagging 205 upper surfaces and the block 214 and is being set on the down-pressed pole 212, down-pressed pole 212 lower ends are stretched out with contiguous block 213 from the through hole on the following fagging 205 and are fixedlyed connected, and are matched in clearance between down-pressed pole 212 and the lower supporting plate 205.Described upper springs member comprises upper spring 215, upperpush rod 216 and back-up block 217, described upperpush rod 216 lower ends are provided with down block 218, described upper spring 215 is between slide unit 203 lower surfaces and following block 218 and be set on the upperpush rod 216, upperpush rod 212 upper ends are stretched out with the lower end of support bar 217 from the through hole on the slide unit 203 and are fixedlyed connected, stretch out from the through hole on the upper backup pad 202 upper end of support bar 217, briquetting 209 is fixedly installed on the upper end of support bar 217, between upperpush rod 216 and the slide unit 203, be matched in clearance between support bar 217 and the upper backup pad.The adjustment of Work-sheet pressing power is to realize by the decrement of regulating lower spring 215,211.
Being fixed with stroke regulating mechanism 5 on the described base plate 206, fixedlys connected with base plate 206 in the lower end of described stroke regulating mechanism 5, and the upper end of stroke regulating mechanism 5 is from fagging 205, slide unit 203 and last fagging 202 pass down.As shown in Figure 4, described stroke regulating mechanism 5 comprises adjusts seat 501 and travel switch 502, and described adjustment seat 501 is fixedly installed on the base plate 206, and its upper surface 503 is the inclined-plane.When travel switch 502 along with slide unit advances to certain distance when contacting with the upper surface 503 of adjusting seat 501, hydraulic control system 1 is sent signal, sideslip oil cylinder 102 is quit work, and fagging 205 drove hold-down mechanisms 207 and moves upward workpiece pressing to top board under jacking cylinder 101 was started working and promoted.When travel switch 502 during to adjusted, the stroke of briquetting increases, and the amount of spring compression of elastic compression mechanism increases, and thrust increases, and when travel switch 502 was regulated downwards, thrust just reduced.
Hydraulic control system 1 comprises jacking cylinder 101 and sideslip oil cylinder 102, and jacking cylinder 101 is arranged in the base 3 and links to each other with following fagging 205, and sideslip oil cylinder 102 is arranged in the slide 204 and links to each other with slide unit 203.
The utility model is to use like this: before the welding, slide unit is in the loading position, workpiece to be welded is installed, workpiece 4 is positioned on fagging 202 and the briquetting 209, position by 210 pairs of workpiece 4 of last fagging alignment pin, connect control system then, under the effect of sideslip oil cylinder 102, workpiece is delivered to the welding position, by jacking cylinder 101 fagging 205 is risen, briquetting 209 is with fagging 205 risings down, make Work-sheet pressing between briquetting 209 and top board 201, carry out welding operation, 218 pairs of workpiece of welding hole that laser beam sees through top board 201 weld; After welding finishes, jacking cylinder 101 unloading thrusts, following fagging 205 declines drive briquetting 209 simultaneously and move downward, and arrive after bottom dead center and by sideslip oil cylinder 102 the good workpiece assembly of welding are delivered to the loading position, take out the assembly part.
Many plates of the utility model laser multiple spot welding tooling can adopt manual operation and operate two kinds of control forms automatically, thereby increases work efficiency.
Claims (6)
1. many plates of laser multiple spot welding tooling, comprise control system, hydraulic system (1), locating clip clamping system (2) and base (3), described locating clip clamping system (2) is fixedly installed on the base (3), described locating clip clamping system (2) links to each other with hydraulic system (1), control system links to each other with locating clip clamping system (2) with hydraulic system (1) respectively, it is characterized in that described locating clip clamping system (2) comprises top board (201), last fagging (202), slide unit (203), slide (204), following fagging (205), base plate (206), elastic compression mechanism (207), guide pillar (208), briquetting (209) and alignment pin (210);
Described top board (201) is supported on guide pillar (207) upper end, and top board (201) is provided with welding hole (218), and the welding position of the position of welding hole (218) and workpiece (4) adapts, and guide pillar (207) lower end is fixedly installed on (3) four jiaos of bases;
The described fagging (202) of going up is fixedly installed on the slide unit (203);
What described slide unit (203) slided is arranged on the slide (204), and described slide (204) is fixedly installed on the base plate (206);
Described fagging (205) down is arranged between slide unit (203) and the base plate (206), and it is a guiding with guide pillar (208), can slide up and down along guide pillar (208), and its lower dead center contacts with base plate (206);
Described briquetting (209) is fixedlyed connected by the upper end of elastic compression mechanism (207) respectively with alignment pin (210), the quantity of solder joint is identical on the quantity of described briquetting (209) and the workpiece, the shape of briquetting (209) with adapt with the weld shape of corresponding solder joint and the welding and assembling height of solder joint highly respectively;
Described elastic compression mechanism (207) comprises bottom elastic component and upper resilient member, and when fagging rose instantly, the upper end of bottom elastic component contacted with the lower end of upper resilient member, and elastic component lower end, described bottom is connected with following fagging (205); The upper resilient member lower end is connected with slide unit (203), and its upper end is gone up through hole from last fagging (202) and stretched out.
2. many plates of laser multiple spot welding tooling according to claim 1, it is characterized in that: also be fixed with stroke regulating mechanism (5) on the described base plate (206), fixedly connected with base plate (206) in the lower end of described stroke regulating mechanism (5), the upper end of stroke regulating mechanism (5) is from fagging (205), slide unit (203) and last fagging (202) pass down.
3. many plates of laser multiple spot welding tooling according to claim 2, it is characterized in that: described stroke regulating mechanism (5) comprises adjusts seat (501) and travel switch (502), described adjustment seat (501) is fixedly installed on the base plate (506), its upper surface (503) is the inclined-plane, and the lower end of travel switch (502) contacts with the upper surface (503) of adjusting seat (501).
4. many plates of laser multiple spot welding tooling according to claim 1, it is characterized in that: described bottom elastic component comprises lower spring (211), down-pressed pole (212) and contiguous block (213), described down-pressed pole (212) upper end is provided with block (214), described lower spring (211) is positioned between following fagging (205) upper surface and the block (214) and is set on the down-pressed pole (212), down-pressed pole (212) lower end is stretched out with contiguous block (213) from the through hole on the following fagging (205) and is fixedlyed connected, and is matched in clearance between down-pressed pole (212) and the lower supporting plate (205).
5. many plates of laser multiple spot welding tooling according to claim 1, it is characterized in that: described upper springs member comprises upper spring (215), upperpush rod (216) and back-up block (217), described upperpush rod (216) lower end is provided with down block (218), described upper spring (215) is positioned between the lower surface of slide unit (203) and the following block (218) and is set on the upperpush rod (216), upperpush rod (216) upper end is stretched out with the lower end of support bar (217) from the through hole on the slide unit (203) and is fixedlyed connected, stretch out from the through hole on the upper backup pad (202) upper end of support bar (217), briquetting (5) is fixedly installed on the upper end of support bar (217), between upperpush rod (216) and the slide unit (203), be matched in clearance between support bar (217) and the upper backup pad.
6. many plates of laser multiple spot welding tooling according to claim 1, it is characterized in that: hydraulic control system (1) comprises jacking cylinder (101) and sideslip oil cylinder (102), jacking cylinder (101) is arranged in the base (3) and links to each other with following fagging (205), and sideslip oil cylinder (102) is arranged in the slide (204) and links to each other with slide unit (203).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200720069551 CN201067831Y (en) | 2007-04-29 | 2007-04-29 | Laser multi-point multi-plate welding working equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200720069551 CN201067831Y (en) | 2007-04-29 | 2007-04-29 | Laser multi-point multi-plate welding working equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201067831Y true CN201067831Y (en) | 2008-06-04 |
Family
ID=39489203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200720069551 Expired - Fee Related CN201067831Y (en) | 2007-04-29 | 2007-04-29 | Laser multi-point multi-plate welding working equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201067831Y (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101786212A (en) * | 2010-03-24 | 2010-07-28 | 中国电子科技集团公司第二研究所 | Mechanical compaction welding set for processing laminated ceramic chips |
CN101985197A (en) * | 2010-11-30 | 2011-03-16 | 东风汽车公司 | Welding locating mechanism of passenger car top cap |
CN102041504A (en) * | 2010-11-02 | 2011-05-04 | 中国石油大学(华东) | Laser repairing workbench |
CN102476243A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing device for laser-processing grouped air-film holes and exterior of big multi-ring wave heat-insolating screen |
CN102489887A (en) * | 2011-11-23 | 2012-06-13 | 湖南大学 | Laser cutting and welding integrated fixture for butting vehicle body parts |
CN103203702A (en) * | 2013-05-03 | 2013-07-17 | 安徽安凯汽车股份有限公司 | Support tool for gluing of middle roof plate of passenger car |
CN103381533A (en) * | 2013-07-18 | 2013-11-06 | 江南嘉捷电梯股份有限公司 | Positioning installation device for heavy type ladder unloading rail and installation method thereof |
CN105666747A (en) * | 2014-11-17 | 2016-06-15 | 昌河飞机工业(集团)有限责任公司 | Flexible manufacturing method for molded surface of composite forming mold |
CN110480173A (en) * | 2019-08-26 | 2019-11-22 | 北京航星机器制造有限公司 | The flexible welding tooling and fixing means of a kind of Curved face form workpiece |
CN113547213A (en) * | 2021-07-08 | 2021-10-26 | 深圳泰德激光科技有限公司 | Laser welding jig and laser welding equipment |
CN113828921A (en) * | 2021-11-02 | 2021-12-24 | 重庆九天测控仪器制造有限公司 | Auxiliary tool for diaphragm welding of device for measuring related parameters of fluid |
-
2007
- 2007-04-29 CN CN 200720069551 patent/CN201067831Y/en not_active Expired - Fee Related
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101786212B (en) * | 2010-03-24 | 2012-03-07 | 中国电子科技集团公司第二研究所 | Mechanical compaction welding set for processing laminated ceramic chips |
CN101786212A (en) * | 2010-03-24 | 2010-07-28 | 中国电子科技集团公司第二研究所 | Mechanical compaction welding set for processing laminated ceramic chips |
CN102041504A (en) * | 2010-11-02 | 2011-05-04 | 中国石油大学(华东) | Laser repairing workbench |
CN102476243A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing device for laser-processing grouped air-film holes and exterior of big multi-ring wave heat-insolating screen |
CN102476243B (en) * | 2010-11-22 | 2014-10-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing device for laser-processing grouped air-film holes and exterior of big multi-ring wave heat-insolating screen |
CN101985197A (en) * | 2010-11-30 | 2011-03-16 | 东风汽车公司 | Welding locating mechanism of passenger car top cap |
CN102489887A (en) * | 2011-11-23 | 2012-06-13 | 湖南大学 | Laser cutting and welding integrated fixture for butting vehicle body parts |
CN102489887B (en) * | 2011-11-23 | 2013-08-14 | 湖南大学 | Laser cutting and welding integrated fixture for butting vehicle body parts |
CN103203702B (en) * | 2013-05-03 | 2015-10-28 | 安徽安凯汽车股份有限公司 | In passenger vehicle, glue supporting tool beaten by top board |
CN103203702A (en) * | 2013-05-03 | 2013-07-17 | 安徽安凯汽车股份有限公司 | Support tool for gluing of middle roof plate of passenger car |
CN103381533A (en) * | 2013-07-18 | 2013-11-06 | 江南嘉捷电梯股份有限公司 | Positioning installation device for heavy type ladder unloading rail and installation method thereof |
CN103381533B (en) * | 2013-07-18 | 2015-01-07 | 江南嘉捷电梯股份有限公司 | Positioning installation device for heavy type ladder unloading rail and installation method thereof |
CN105666747A (en) * | 2014-11-17 | 2016-06-15 | 昌河飞机工业(集团)有限责任公司 | Flexible manufacturing method for molded surface of composite forming mold |
CN105666747B (en) * | 2014-11-17 | 2017-12-12 | 昌河飞机工业(集团)有限责任公司 | A kind of flexible manufacturing method in composite forming model face |
CN110480173A (en) * | 2019-08-26 | 2019-11-22 | 北京航星机器制造有限公司 | The flexible welding tooling and fixing means of a kind of Curved face form workpiece |
CN110480173B (en) * | 2019-08-26 | 2022-03-08 | 北京航星机器制造有限公司 | Flexible welding tool and fixing method for workpiece with curved surface structure |
CN113547213A (en) * | 2021-07-08 | 2021-10-26 | 深圳泰德激光科技有限公司 | Laser welding jig and laser welding equipment |
CN113828921A (en) * | 2021-11-02 | 2021-12-24 | 重庆九天测控仪器制造有限公司 | Auxiliary tool for diaphragm welding of device for measuring related parameters of fluid |
CN113828921B (en) * | 2021-11-02 | 2024-03-08 | 重庆九天测控仪器制造有限公司 | Auxiliary tool for diaphragm welding of device for measuring fluid related parameters |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201067831Y (en) | Laser multi-point multi-plate welding working equipment | |
CN102873448B (en) | Self-adaption floatation pressure device for spot welding machine | |
CN201997842U (en) | Automobile sheet metal welding fixture | |
CN113422095B (en) | Battery pile press-mounting equipment | |
CN205869699U (en) | Spot welding nut device of robot | |
CN201565740U (en) | Workpiece assembling and welding tooling | |
CN102029467B (en) | Automatic spot welding machine | |
CN203738214U (en) | Automatic movable welding device | |
CN2930951Y (en) | Accessory welding fixture | |
CN102513679A (en) | Welding mechanism for projection-weld nuts and welding method thereof | |
CN201997882U (en) | Automobile body spot welding copper base plate assembling mechanism | |
CN101733604B (en) | Pre-deformation high-efficiency hydraulic clamp for turntable welding system | |
CN211564820U (en) | Resistance welding hot riveting tool | |
CN107803622A (en) | A kind of straight wall plate and more gusset spelling welding clamps | |
CN200942453Y (en) | Spot welding device for automobile seat parts | |
CN110757050A (en) | Plate welding auxiliary mechanism and welding mechanism | |
CN216126741U (en) | Welding ball fixed-position welding device | |
CN217964595U (en) | Positioning clamping riveting device | |
CN109128653B (en) | Unpowered fixture pressing mechanism | |
CN217889825U (en) | Gantry welding machine | |
CN202240133U (en) | Two-point welding device | |
CN208147226U (en) | Welding fixture for central channel welding part | |
CN207615845U (en) | A kind of battery pack spot welding apparatus | |
CN217727651U (en) | Multi-station combined type welding fixing tool | |
CN220480769U (en) | Intermediate frequency welding machine for sealing metal iron pipe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080604 Termination date: 20130429 |