CN203945689U - The assembly jig of sealing ring - Google Patents
The assembly jig of sealing ring Download PDFInfo
- Publication number
- CN203945689U CN203945689U CN201420415778.4U CN201420415778U CN203945689U CN 203945689 U CN203945689 U CN 203945689U CN 201420415778 U CN201420415778 U CN 201420415778U CN 203945689 U CN203945689 U CN 203945689U
- Authority
- CN
- China
- Prior art keywords
- die body
- mentioned
- sealing ring
- assembly jig
- connecting rod
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of assembly jig of sealing ring, belongs to field of mechanical technique.It has solved the not high problem of existing mold production efficiency.The assembly jig of this sealing ring comprises upper die body and is positioned at the lower mold body of upper die body bottom, described lower mold body comprises and is die body one cylindraceous and cylindrical die body two, described die body two outsides have the shoulder block of protrusion, convex edge and convex edge that described die body one inner side has protrusion are resisted against on above-mentioned shoulder block, described die body two upper ends have the guide part that is column, on above-mentioned upper die body, having the pilot hole and the upper die body that match with guide part is enclosed within on described guide part, above-mentioned die body two sidepieces, between the inner port place of die body one upper end and upper die body lower end, form the forming cavity matching with sealing ring, described die body two places have the material removing mechanism that the sealing ring that can make after moulding is departed from by above-mentioned forming cavity place.The assembly jig packaging efficiency of this sealing ring is high.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of mould, especially for the assembly jig of fitting tight circle.
Background technology
Sealing ring, as a kind of seal, is widely used in mechanical device.Sealing ring has following characteristics:
1, high resilience and resilience;
2, suitable mechanical strength, comprises tensile strength, percentage elongation and tearing toughness etc.
3, stable performance is difficult for swelling in medium, and thermal pinch (Joule effect) is little.
4, easily machine-shaping, and can keep accurate size.
5, do not corrode contact-making surface, not pollution medium etc.
Applicable and the most the most frequently used material that meets above-mentioned requirements is rubber, so the large multiplex elastomeric material of sealing ring is made.In order to reach second above-mentioned feature, on seal ring part, there is skeleton, sealing circle comprises and is circular skeleton and flexible sealing gasket, sealing gasket is that elastomeric material and it are connected on skeleton.
Above-mentioned sealing ring is assembled normally operator's hand assembled, and packaging efficiency is low, and the quality of assembling is determined by operator's assembling experience completely.
In order to address this problem, its publication number of Chinese patent CN201175975 provide a kind of " molding mold rubber seal member ", it is the improvement to molding mold rubber seal member structure, solve the defect that former square-section die cavity Integral mold mould can damage rubber insert circle and the appearance of square-section die cavity segmental mandrel mould, molding mold rubber seal member: comprise die holder, guide pillar, patrix, be by be molded as Integral mold structure, at die joint, arc surface is made at place, form circular cross-section die cavity, its advantage: after rubber seal moulding during patrix parting, can not damage rubber seal, due on be molded as Integral mold, die manufacturing cost simple in structure is low.
But it just changes the structure of mould, damage rubber section when preventing die sinking.Seal must be pre-assembled to be put into mould again and carries out shaping.For two parts independently in seal: the assembling between skeleton and sealing gasket.Mould in above-mentioned patent cannot be suitable for.
Also all there is similar problem in existing other sealing ring tool.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, and a kind of simple in structure, form removal sealing ring assembly jig is easily provided.
The purpose of this utility model can realize by following technical proposal: a kind of assembly jig of sealing ring, comprise upper die body and the lower mold body that is positioned at upper die body bottom, it is characterized in that, described lower mold body comprises and is die body one cylindraceous and cylindrical die body two, described die body two outsides have the shoulder block of protrusion, convex edge and convex edge that described die body one inner side has protrusion are resisted against on above-mentioned shoulder block, described die body two upper ends have the guide part that is column, on above-mentioned upper die body, having the pilot hole and the upper die body that match with guide part is enclosed within on described guide part, above-mentioned die body two sidepieces, between the inner port place of die body one upper end and upper die body lower end, form the forming cavity matching with sealing ring, described die body two places have the material removing mechanism that the sealing ring that can make after moulding is departed from by above-mentioned forming cavity place.
Sealing ring comprises the skeleton of metal material and the sealing gasket of elastomeric material, and sealing gasket is connected on above-mentioned skeleton, and skeleton and sealing gasket are all annular.
While assembling this sealing ring, skeleton, sealing gasket are enclosed within on guide part successively.And then upper die body is moved down along guide part.Upper die body after moving down makes above-mentioned skeleton and sealing gasket be positioned at forming cavity place, and because the profile of forming cavity and sealing ring matches, therefore, by the extruding of upper die body and lower mold body, sealing gasket can firmly be connected on skeleton.
In above-mentioned matched moulds process, convex edge coordinates the distance that moves down that can limit upper die body with shoulder block, that is to say, the outside of upper die body contacts with die body one, and upper die body inner side contacts with die body two, avoids the one-sided stressed and generation deformation of upper die body.
After sealing ring moulding, take upper die body apart and just can easily take out the sealing ring that is positioned at die body one place, top.
In the assembly jig of above-mentioned sealing ring, this mould also comprises that one is base cylindraceous, and above-mentioned die body one is resisted against base upper end, and above-mentioned die body two lower ends are positioned at base.
Base is placed on ground and plays a supportive role.Base inside can also hold above-mentioned die body two simultaneously, reduces taking up room of this mould.
In the assembly jig of above-mentioned sealing ring, described material removing mechanism comprises latch plate, connecting rod and the spring that is positioned at base, above-mentioned die body one inner side protrudes from base inner side, above-mentioned small end is threaded in die body one inner side, above-mentioned connecting rod lower end is connected on latch plate, and above-mentioned spring is pressed between latch plate and die body two.
Under the Action of Gravity Field of latch plate and die body one, above-mentioned convex edge is resisted against on shoulder block.Meanwhile, the trend of moving on the elastic force effect lower mold body two of spring has, under the elastic force effect of this spring, convex edge has the trend being resisted against on shoulder block.Thereby die body one and die body two are firmly linked together.
After form removal, pivot link makes small end be departed from by die body one place.Now, die body two moves down under Action of Gravity Field, and makes die body two depart from die body one.Sealing ring after moulding is only positioned at die body one upper end, and therefore, sealing ring can easily be by dismounting on independent die body one.
In the assembly jig of above-mentioned sealing ring, described die body two lower ends have recessed spring base, and above-mentioned spring upper end is positioned at spring base place.
Spring base and spring upper end match, thereby make stable being resisted against on die body two in spring upper end.
In the assembly jig of above-mentioned sealing ring, described connecting rod lower end is axially connected on latch plate.
In connecting rod rotation process, can not be subject to stopping of latch plate, can make connecting rod separated by die body one place easily.
In the assembly jig of above-mentioned sealing ring, above-mentioned connecting rod middle part has the convex shoulder of protrusion, described connecting rod lower end has the recessed locating slot of annular, on described latch plate, there is the through hole running through, above-mentioned connecting rod is arranged in through hole and locating slot place is axially fixed with jump ring, and above-mentioned jump ring and convex shoulder are resisted against respectively the both sides of latch plate through hole.
Convex shoulder and jump ring are resisted against respectively the two-port place of through hole, that is: convex shoulder and jump ring are resisted against respectively the both sides of latch plate.Can be by stable being axially connected on latch plate of connecting rod by such structure, meanwhile, it can rotate smoothly.
In the assembly jig of above-mentioned sealing ring, the quantity of described connecting rod is two and symmetrical is arranged at the both sides in base.
Two connecting rods can make latch plate and stable the linking together of die body one.
In the assembly jig of above-mentioned sealing ring, described shoulder block is inclined-plane, and above-mentioned convex edge and shoulder block match.
Shoulder block and convex edge are plane contact, have avoided the local quick-wearing of crossing, and have improved service life.Meanwhile, such structure also plays the effect of guiding, makes smooth and easy and stable the moving down along die body two of die body one.
In the assembly jig of above-mentioned sealing ring, above-mentioned die body two top center have recessed Connection Block, and a cylinder lower end that is frustum is connected to above-mentioned Connection Block place and cylinder lower end and Connection Block and matches, and above-mentioned guide part is positioned at cylinder top.
The diameter of cylinder is less than die body two diameters, and such structure can guarantee that upper die body has enough weight, thereby stable sealing ring is pushed to assembling., after cylinder wearing and tearing, can change separately meanwhile, reduce the use cost of this mould.
In the assembly jig of above-mentioned sealing ring, described die body two outsides have recessed forming part one, described die body one upper end has recessed forming part two, described upper die body lower end has the forming part three of protrusion, forms the forming cavity matching with sealing ring between above-mentioned forming part one, forming part two and forming part three.
Upper die body, die body one and die body two all participate in the moulding of sealing ring, and therefore, above-mentioned three is positioned at each position of sealing ring after moulding, and sealing ring during dismounting mould after moulding is not easy to stick on mould, has improved the yield rate of form removal precision and product.
In the assembly jig of above-mentioned sealing ring, described upper die body outside has the disassembling part one for being connected with extracting tool.
In the assembly jig of above-mentioned sealing ring, described chassis outer side has the disassembling part two for being connected with extracting tool.
In the assembly jig of above-mentioned sealing ring, described connecting rod lower end has the disassembling part three for being connected with extracting tool.
Extracting tool is instrument conventional in industrial production activities, by instrument, can easily dismantle above-mentioned upper die body or base or connecting rod.
Due to this mould, by above-mentioned disassembling part, coordinated carried out form removal with extracting tool, therefore, its form removal efficiency is higher.And, in form removal process, save time, laborsaving.
In the assembly jig of above-mentioned sealing ring, described base inner side has recessed dismounting groove, described base sidepiece also has the removal hole running through, described removal hole communicates with above-mentioned dismounting groove, one is that tabular stripper is through at removal hole place and stripper sidepiece is embedded in above-mentioned dismounting groove place, and above-mentioned latch plate, connecting rod are all positioned at stripper top.
The outer end portion of stripper is stretched out removal hole, and the edge that stripper the inner is positioned at base and stripper is embedded in above-mentioned dismounting groove place.Stripper covers connecting rod lower end and latch plate, avoids foreign material to enter.Also can avoid mistake form removal simultaneously, that is to say, after only having stripper being taken out by base position, could pivot link, and make die body one separated with die body two.
Certainly, in stripper outer end, there is disassembling part.Can direct pull stripper by disassembling part operator.Or, by instrument, be connected to disassembling part place, easily stripper is taken out by base position.
Compared with prior art, the assembly jig of this sealing ring due to pivot link after die body one can easily be separated with die body two, therefore, the sealing ring after moulding is only positioned at die body one upper end, can conveniently take out the sealing ring after moulding.
Meanwhile, in form removal process, die body one, die body two and upper die body are all separated, and therefore, the sealing ring after moulding is not easy to stick on this mould, and form removal is easy and yield rate is high.
In addition, under the barrier effect of stripper, can also improve the security of this mould, avoid mistake form removal.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this sealing ring.
Fig. 2 is the sectional structure schematic diagram of the assembly jig of this sealing ring.
Fig. 3 is the sectional structure schematic diagram at forming cavity place in the assembly jig of this sealing ring.
In figure, 1, skeleton; 2, sealing gasket; 3, upper die body; 3a, pilot hole; 3b, forming part three; 3c, disassembling part one; 4, die body one; 4a, convex edge; 4b, forming part two; 5, die body two; 5a, shoulder block; 5b, Connection Block; 5c, forming part one; 5d, spring base; 6, cylinder; 6a, guide part; 7, forming cavity; 8, base; 8a, disassembling part two; 8b, dismounting groove; 9, latch plate; 10, connecting rod; 10a, convex shoulder; 10b, locating slot; 10c, disassembling part three; 11, spring; 12, jump ring; 13, stripper.
The specific embodiment
As shown in Figure 1, sealing ring is comprised of the skeleton 1 of metal material and the sealing gasket 2 of elastomeric material, and skeleton 1 and sealing gasket 2 are all annular, and sealing gasket 2 is connected on skeleton 1.
As shown in Figure 2, the assembly jig of this sealing ring is exactly for assembling the mould of above-mentioned sealing ring, this upper mould body 3 and the lower mold body that is positioned at upper die body 3 bottoms.
Lower mold body comprises die body 1 and mould 25, and die body 1 is cylindric, and die body 25 is cylindric.Die body 25 outsides have the shoulder block 5a of protrusion, and die body one 4 inner sides have the convex edge 4a of protrusion, and under Action of Gravity Field, convex edge 4a is resisted against on shoulder block 5a.
Die body 25 upper ends have the guide part 3a that is column, have the pilot hole 3a matching with guide part 6a on upper die body 3, and upper die body 3 is enclosed within on guide part 6a.In the present embodiment, die body 25 top center have recessed Connection Block 5b, and cylinder 6 lower ends that are frustum are connected to above-mentioned Connection Block 5b place, and the lower end of cylinder 6 and Connection Block 5b match, and guide part 6a is positioned at cylinder 6 tops.
Between the inner port place of die body 25 sidepieces, die body one 4 upper ends and upper die body 3 lower ends, form the forming cavity 7 matching with sealing ring, die body 25 places have the material removing mechanism that the sealing ring that can make after moulding is departed from by above-mentioned forming cavity 7 places.This mould also comprises that one is base 8 cylindraceous, and die body 1 is resisted against base 8 upper ends, and die body 25 lower ends are positioned at base 8.
In the present embodiment, die body 25 outsides have recessed forming part one 5c, die body one 4 upper ends have recessed forming part two 4b, described upper die body 3 lower ends have forming part three 3b of protrusion, between above-mentioned forming part one 5c, forming part two 4b and forming part three 3b, form the forming cavity 7 matching with sealing ring, as shown in Figure 3.
Material removing mechanism comprises latch plate 9, connecting rod 10 and the spring 11 that is positioned at base 8, die body one 4 inner sides protrude from base 8 inner sides, connecting rod 10 upper ends are threaded in die body one 4 inner sides, and connecting rod 10 lower ends are connected on latch plate 9, and spring 11 is pressed between latch plate 9 and die body 25.
In the present embodiment, die body 25 lower ends have recessed spring base 5d, and spring 11 upper ends are positioned at spring base 5d place.
Connecting rod 10 lower ends are axially connected on latch plate 9.Particularly, connecting rod 10 middle parts have the convex shoulder 10a of protrusion, and connecting rod 10 lower ends have the recessed locating slot 10b of annular, have the through hole running through on latch plate 9.Connecting rod 10 is arranged in through hole and locating slot 10b place is axially fixed with jump ring 12, and jump ring 12 and convex shoulder 10a are resisted against respectively the both sides of latch plate 9 through holes.Shoulder block 5a is inclined-plane, and convex edge 4a and shoulder block 5a match.
In the present embodiment, the quantity of connecting rod 10 is two, two connecting rod 10 symmetries be arranged at the both sides in base 8.
For for convenience detach mould, upper die body 3 outsides have disassembling part one 3c for being connected with extracting tool; Base 8 outsides have disassembling part two 8a for being connected with extracting tool; Connecting rod 10 lower ends have disassembling part three 10c for being connected with extracting tool.
Base 8 inner sides have recessed dismounting groove 8b, and base 8 sidepieces also have the removal hole running through, and removal hole communicates with dismounting groove 8b.One is that tabular stripper 13 is through at removal hole place and stripper 13 sidepieces are embedded in above-mentioned dismounting groove 8b place, and above-mentioned latch plate 9, connecting rod 10 are all positioned at stripper 13 tops.
Under the Action of Gravity Field of latch plate 9 and die body 1, convex edge 4a is resisted against on shoulder block 5a.Meanwhile, the trend of moving on the elastic force effect lower mold body 25 of spring 12 has, under the elastic force effect of this spring 12, convex edge 4a has the trend being resisted against on shoulder block 5a.Thereby make die body 1 and die body 25 firmly be joined together to form holistic lower mold body.
While assembling this sealing ring, skeleton 1, sealing gasket 2 are enclosed within to guide part 6a successively upper, and make it be displaced downwardly to above-mentioned lower mold body.Then, upper die body 3 is fastened, upper die body 3 is moved down along guide part 6a.Upper die body 3 after moving down makes above-mentioned skeleton 1 and sealing gasket 2 be positioned at forming cavity 7 places, and because forming cavity 7 and the profile of sealing ring match, therefore, by the extruding of upper die body 3 and lower mold body, sealing gasket 2 can firmly be connected on skeleton 1.
During form removal, first stripper 13 is dismantled by base 8 places, now, outside connecting rod 10 lower ends are exposed to.The disassembling part three 10c places that are connected to connecting rod 10 lower ends by extracting tool, pivot link 10 makes connecting rod 10 upper ends be departed from by die body one 4 places.Now, die body 25 moves down under Action of Gravity Field, and makes die body 25 depart from die body 1.Sealing ring after moulding is only positioned at die body one 4 upper ends, and therefore, sealing ring can easily be by dismounting on independent die body 1.
Certainly, in above-mentioned form removal process, pass through one 3c of extracting tool connection disassembling portion or disassembling part two 8a, thus can easily be by die body 1, die body 25 and base 8 dismountings.
Claims (10)
1. the assembly jig of a sealing ring, comprise upper die body and the lower mold body that is positioned at upper die body bottom, it is characterized in that, described lower mold body comprises and is die body one cylindraceous and cylindrical die body two, described die body two outsides have the shoulder block of protrusion, convex edge and convex edge that described die body one inner side has protrusion are resisted against on above-mentioned shoulder block, described die body two upper ends have the guide part that is column, on above-mentioned upper die body, having the pilot hole and the upper die body that match with guide part is enclosed within on described guide part, above-mentioned die body two sidepieces, between the inner port place of die body one upper end and upper die body lower end, form the forming cavity matching with sealing ring, described die body two places have the material removing mechanism that the sealing ring that can make after moulding is departed from by above-mentioned forming cavity place.
2. the assembly jig of sealing ring according to claim 1, is characterized in that, this mould also comprises that one is base cylindraceous, and above-mentioned die body one is resisted against base upper end, and above-mentioned die body two lower ends are positioned at base.
3. the assembly jig of sealing ring according to claim 2, it is characterized in that, described material removing mechanism comprises latch plate, connecting rod and the spring that is positioned at base, above-mentioned die body one inner side protrudes from base inner side, above-mentioned small end is threaded in die body one inner side, above-mentioned connecting rod lower end is connected on latch plate, and above-mentioned spring is pressed between latch plate and die body two.
4. the assembly jig of sealing ring according to claim 3, is characterized in that, described die body two lower ends have recessed spring base, and above-mentioned spring upper end is positioned at spring base place.
5. the assembly jig of sealing ring according to claim 3, is characterized in that, described connecting rod lower end is axially connected on latch plate.
6. the assembly jig of sealing ring according to claim 5, it is characterized in that, above-mentioned connecting rod middle part has the convex shoulder of protrusion, described connecting rod lower end has the recessed locating slot of annular, on described latch plate, there is the through hole running through, above-mentioned connecting rod is arranged in through hole and locating slot place is axially fixed with jump ring, and above-mentioned jump ring and convex shoulder are resisted against respectively the both sides of latch plate through hole.
7. the assembly jig of sealing ring according to claim 6, is characterized in that, the quantity of described connecting rod is two and symmetrical is arranged at the both sides in base.
8. the assembly jig of sealing ring according to claim 1, is characterized in that, described shoulder block is inclined-plane, and above-mentioned convex edge and shoulder block match.
9. the assembly jig of sealing ring according to claim 1, it is characterized in that, above-mentioned die body two top center have recessed Connection Block, and a cylinder lower end that is frustum is connected to above-mentioned Connection Block place and cylinder lower end and Connection Block and matches, and above-mentioned guide part is positioned at cylinder top.
10. the assembly jig of sealing ring according to claim 1, it is characterized in that, described die body two outsides have recessed forming part one, described die body one upper end has recessed forming part two, described upper die body lower end has the forming part three of protrusion, forms the forming cavity matching with sealing ring between above-mentioned forming part one, forming part two and forming part three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415778.4U CN203945689U (en) | 2014-07-25 | 2014-07-25 | The assembly jig of sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415778.4U CN203945689U (en) | 2014-07-25 | 2014-07-25 | The assembly jig of sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945689U true CN203945689U (en) | 2014-11-19 |
Family
ID=51887747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415778.4U Expired - Fee Related CN203945689U (en) | 2014-07-25 | 2014-07-25 | The assembly jig of sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203945689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527884A (en) * | 2018-04-28 | 2018-09-14 | 南京金三力高分子科技有限公司 | A kind of automobile shock absorber part interference fit Skeleton assembly mold and assembly method |
| CN108943552A (en) * | 2018-08-09 | 2018-12-07 | 深圳市阿莱思斯科技有限公司 | A kind of accurate die pressing encapsulating mould |
-
2014
- 2014-07-25 CN CN201420415778.4U patent/CN203945689U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527884A (en) * | 2018-04-28 | 2018-09-14 | 南京金三力高分子科技有限公司 | A kind of automobile shock absorber part interference fit Skeleton assembly mold and assembly method |
| CN108943552A (en) * | 2018-08-09 | 2018-12-07 | 深圳市阿莱思斯科技有限公司 | A kind of accurate die pressing encapsulating mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204289156U (en) | A kind of key water-proof structure and use the earphone of this structure | |
| CN203956442U (en) | The pressing mold of sealing ring | |
| CN203945689U (en) | The assembly jig of sealing ring | |
| CN103707545B (en) | Hollow active carbon forming die | |
| WO2020238460A1 (en) | Demolding mechanism for drawing die for metal hollow body | |
| CN205705137U (en) | A kind of mold mechanism for making car air filtering core sealing ring | |
| CN204525873U (en) | A kind of A-frame snubber block sulfurizing mould | |
| CN202725834U (en) | Stamping die for cabinet freezer handle | |
| CN204658867U (en) | A kind of product pneumatic jack demolding structure | |
| CN202029353U (en) | Bellows injection moulding demoulding device | |
| CN202985872U (en) | Drain pipe elbow die | |
| CN203565609U (en) | Valve membrane production device | |
| CN204182885U (en) | A kind of compression mod split sprue bush | |
| CN203664485U (en) | Bending die with rolling ejection rod | |
| CN208759480U (en) | A kind of bearing gland mold | |
| CN112453161A (en) | Punching machine for hardware manufacturing | |
| CN102729419B (en) | Air ejection device for bellows | |
| CN201283615Y (en) | Mould for producing rubber vulcanization member | |
| CN209273859U (en) | A kind of precision component production draft mold | |
| CN204604706U (en) | Plug and mould | |
| CN203994366U (en) | The assembly jig of hub oil seal | |
| CN203991936U (en) | A kind of punching die | |
| CN211221801U (en) | Combined LED injection mold | |
| CN215511895U (en) | Mould convenient to it is clean | |
| CN202029355U (en) | Pneumatic demoulding device for corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Jiaxing City, Zhejiang province 314408 Haining town of Changan city Defengcun three Group Li Tu South Bridge new angle Patentee after: Zhejiang Auto Parts Co., Ltd. Address before: Changan town of Jiaxing City, Zhejiang province 314408 Haining Defeng new highway bridge south bridge Patentee before: HAINING ZHONGTENG AUTOMOTIVE SEALS CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20190725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |