CN115076488A - Self-locking type quick connector - Google Patents
Self-locking type quick connector Download PDFInfo
- Publication number
- CN115076488A CN115076488A CN202210678543.3A CN202210678543A CN115076488A CN 115076488 A CN115076488 A CN 115076488A CN 202210678543 A CN202210678543 A CN 202210678543A CN 115076488 A CN115076488 A CN 115076488A
- Authority
- CN
- China
- Prior art keywords
- female
- valve body
- locking
- connector
- female end
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a self-locking quick connector which comprises a connector fixing piece, a female end connector and a male end connector, wherein the female end connector comprises an outer ring sleeve, a female end valve body, a female end valve seat, a female end valve sleeve, a female end valve rod and a valve sleeve reset spring; the outer ring sleeve is fixedly connected with the joint fixing piece and sleeved outside the female valve body, the female valve body can move along the axial direction of the outer ring sleeve, locking steel balls capable of moving in the radial direction are arranged on the peripheral wall of the female valve body, a first locking groove is formed in the inner peripheral surface of the outer ring sleeve, the locking steel balls are partially clamped into the first locking groove, the tail end of the female valve body is fixedly connected with a female connecting head, and a compression spring is connected between the female connecting head and the outer ring sleeve; the male end connector comprises a male end valve body, a male end valve core and a valve core reset spring; and a second locking groove for clamping the locking steel ball part is formed in the outer peripheral surface of the male valve body. The self-locking quick connector is reasonable in structure, and can effectively realize quick locking and unlocking of the connector, so that convenience in assembling and disassembling the connector is improved.
Description
Technical Field
The invention relates to a self-locking quick connector.
Background
At present, the power consumption of a heating chip of an electronic product, especially a server, is getting larger and larger, and a liquid cooling method is generally adopted to solve the heat dissipation problem, and the problem brought by the power consumption is that due to the increase of functional components, the requirement for heat dissipation in a structure with a highly integrated layout is outstanding, and the limitation on the whole space is getting stricter and stricter, so that after a liquid cooling heat dissipation system is installed and assembled, a joint part has better maintainability and flexibility while having safety and reliability, and the installation and disassembly in the limited space are also met. The joint that is arranged in liquid cooling system among the prior art adopts the screw thread mode to connect mostly, but is more troublesome during this connected mode dismouting, need with the help of the instrument, and it is inconvenient in narrow and small space operation, leads to the packaging efficiency low, is difficult to satisfy application place needs.
Disclosure of Invention
The invention aims to provide a self-locking quick connector which is reasonable in structure and can effectively realize quick locking and unlocking of the connector, so that convenience in assembling and disassembling the connector is improved.
In order to achieve the purpose, the technical scheme of the invention is to design a self-locking quick connector which comprises a connector fixing piece, a female end connector and a male end connector, wherein the female end connector and the male end connector are respectively provided with butt ends at front ends;
the female end connector comprises an outer ring sleeve, a female end valve body, a female end valve seat, a female end valve sleeve, a female end valve rod and a valve sleeve reset spring, wherein the female end valve seat, the female end valve sleeve, the female end valve rod and the valve sleeve reset spring are arranged in an internal flow channel of the female end valve body; the outer ring sleeve is fixedly connected with the joint fixing piece, the outer ring sleeve is sleeved outside the female end valve body, the female end valve body can move along the axial direction of the outer ring sleeve, a steel ball hole is formed in the peripheral wall of the female end valve body, a locking steel ball capable of moving along the radial direction of the female end valve body is arranged in the steel ball hole and is in contact with the outer peripheral surface of the female end valve sleeve, a first locking groove corresponding to the locking steel ball is formed in the inner peripheral surface of the outer ring sleeve, part of the locking steel ball is clamped in the first locking groove, the tail end of the female end valve body is fixedly connected with a female end connecting head, and a compression spring is connected between the female end connecting head and the outer ring sleeve;
the male end connector comprises a male end valve body, a male end valve core and a valve core reset spring, and the male end valve core and the valve core reset spring are arranged in an internal flow passage of the male end valve body; and a second locking groove for clamping the locking steel ball part is formed in the outer peripheral surface of the male end valve body. In the above scheme, the joint fixing member is a fixing member arranged in the liquid cooling heat dissipation system, the outer ring sleeve of the female joint is fixedly connected with the joint fixing member, and the locking steel ball is partially clamped in the first locking groove, and the female valve sleeve is blocked at the inner side of the locking steel ball, so that the locking steel ball cannot move radially, the female valve body cannot move axially, and the female valve body and the outer ring sleeve are in a locking state. When the male end connector is connected with the female end connector, the male end valve body is inserted into the female end valve body, the male end valve core is firstly contacted with the female end valve rod, then along with the increase of the pressing force, the male end valve body is pressed into the female end valve body together with the female end valve sleeve, the valve sleeve reset spring is compressed, meanwhile, the female end valve rod is pressed into the male end valve body along with the male end valve core, the valve core reset spring is compressed, along with the continuous increase of the pressing force, the mutual pressing depth of the male end connector and the female end connector is deepened, the internal flow channel of the male end valve body is automatically communicated with the internal flow channel of the female end valve body, when the male end valve body moves to the second locking groove on the male end valve body and the locking steel balls correspond to each other, the locking steel balls are separated from the first locking groove and are partially clamped into the second locking groove, at the moment, the female end valve body and the outer ring sleeve are in a locking release state, so that the female end connector drives the female end valve body to retreat a certain distance relative to the outer ring sleeve through the elastic restoring force of the compression spring, the locking steel ball part is clamped into the second locking groove, so that the female valve body drives the male valve body to move together through the locking steel ball, the locking steel ball and the first locking groove of the outer ring sleeve are staggered, the outer ring sleeve is blocked outside the locking steel ball, the male valve body and the female valve body cannot move relatively at the moment, the male valve body and the female valve body are in a locking state, connection and quick locking of the male connector and the female connector are achieved, the whole operation process is simple and convenient, tools are not needed, and the operation can be carried out in a narrow space to meet the requirements of application places.
Preferably, the joint fixing piece is provided with a mounting hole, the outer ring is sleeved in the mounting hole, the outer circumferential surface of the outer ring sleeve is provided with an annular clamping table and a clamping spring groove, a clamping spring is arranged in the clamping spring groove, a gasket is arranged between the clamping spring and the annular clamping table, and the joint fixing piece is clamped between the annular clamping table and the gasket. By adopting the scheme, the outer ring sleeve is convenient to fix on the joint fixing piece, and the outer ring sleeve and the joint fixing piece are detachably fixed, so that the female joint can be replaced.
Preferably, the inner circumferential surface of the outer ring sleeve is provided with an annular limiting step, and the outer circumferential surface of the female valve body is provided with an annular bulge corresponding to the annular limiting step. By adopting the scheme, after the female valve body retreats for a certain distance, the annular bulge on the female valve body is blocked by the annular limiting step, and the female valve body retreats in place at the moment, so that the control of the retreating stroke of the female valve body is realized.
Preferably, the two side groove walls of the first locking groove and the second locking groove are both outward-extending inclined surfaces. By adopting the scheme, the locking steel balls can conveniently slide into or out of the locking grooves.
Preferably, a gap is reserved between the outer peripheral surface of the outer ring sleeve and the wall of the mounting hole, and the inner peripheral surface of the front end of the female end valve body is an outward-expanding conical surface. By adopting the scheme, when the axial leads of the male end connector and the female end connector have certain deviation, the male end valve body is inserted into the female end valve body, the front end of the male end valve body is contacted with the conical surface, and under the action of the conical surface, the female end valve body is subjected to a radial force which is deviated towards the center, so that the female end valve body and the outer ring sleeve are radially floated in the mounting hole, and finally, the axial leads of the female end valve body and the male end valve body are superposed, thereby realizing the automatic centering function of the connectors.
Preferably, the tail end of the male valve body is fixedly connected with a male coupling head. In the above scheme, the female end coupling head and the male end coupling head are both used for being connected with an external pipeline.
Preferably, the outer peripheral surface of the front end of the female valve body is provided with a female color ring, and the outer peripheral surface of the front end of the male coupling head is provided with a male color ring. In the above scheme, the color ring is arranged for identification, so that a user can use a correct male end connector and a correct female end connector for matching connection conveniently.
The invention has the advantages and beneficial effects that: the self-locking quick connector is reasonable in structure, and can effectively realize quick locking and unlocking of the connector, so that convenience in assembling and disassembling the connector is improved.
Drawings
FIG. 1 is a schematic view of the male and female connectors of the present invention shown disassembled.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is a schematic view of the male and female connectors of the present invention as assembled.
Fig. 5 is an enlarged view at C in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 5, a self-locking quick connector comprises a connector holder 1, a female end connector and a male end connector, wherein the female end connector and the male end connector are butt joints at front ends respectively;
the female end connector comprises an outer ring sleeve 2, a female end valve body 3, a female end valve seat 4, a female end valve sleeve 5, a female end valve rod 6 and a valve sleeve return spring 7, wherein the female end valve seat, the female end valve sleeve 5, the female end valve rod 6 and the valve sleeve return spring are arranged in an internal flow channel of the female end valve body 3; the outer ring sleeve 2 is fixedly connected with the joint fixing piece 1, the outer ring sleeve 2 is sleeved outside the female valve body 3, the female valve body 3 can move along the axial direction of the outer ring sleeve 2, a steel ball hole 8 is formed in the peripheral wall of the female valve body 3, a locking steel ball 9 capable of moving along the radial direction of the female valve body 3 is arranged in the steel ball hole 8, the locking steel ball 9 is in contact with the outer peripheral surface of the female valve sleeve 5, a first locking groove 10 corresponding to the locking steel ball 9 is formed in the inner peripheral surface of the outer ring sleeve 2, part of the locking steel ball 9 is clamped in the first locking groove 10, the tail end of the female valve body 3 is fixedly connected with a female connecting head 11, and a compression spring 12 is connected between the female connecting head 11 and the outer ring sleeve 2;
the male end connector comprises a male end valve body 13, a male end valve core 14 and a valve core return spring 15, wherein the male end valve core 14 and the valve core return spring are arranged in a flow passage in the male end valve body 13; and a second locking groove 16 for partially clamping the locking steel ball 9 is formed in the outer peripheral surface of the male valve body 13.
Further, the joint fixing member 1 is provided with a mounting hole, the outer ring sleeve 2 is arranged in the mounting hole in a penetrating manner, the outer circumferential surface of the outer ring sleeve 2 is provided with an annular clamping table 17 and a clamping spring groove 18, a clamping spring 19 is arranged in the clamping spring groove 18, a gasket 20 is arranged between the clamping spring 19 and the annular clamping table 17, and the joint fixing member 1 is clamped between the annular clamping table 17 and the gasket 20.
Furthermore, the inner circumferential surface of the outer ring sleeve 2 is provided with an annular limiting step 21, and the outer circumferential surface of the female valve body 3 is provided with an annular protrusion 22 corresponding to the annular limiting step 21.
Further, both side groove walls of the first locking groove 10 and the second locking groove 16 are outward-expanding inclined surfaces.
Furthermore, a gap is reserved between the outer peripheral surface of the outer ring sleeve 2 and the wall of the mounting hole, and the inner peripheral surface of the front end of the female-end valve body 3 is an outward-expanding conical surface.
Further, a male end coupling head 23 is fixedly connected to the tail end of the male end valve body 14.
Further, a female end color ring 24 is arranged on the outer peripheral surface of the front end of the female end valve body 3, and a male end color ring 25 is arranged on the outer peripheral surface of the front end of the male end coupling head 23.
The use method of the self-locking quick connector comprises the following steps:
when assembling the male end connector and the female end connector, the male end valve body 13 is inserted into the female end valve body 3, the male end valve core 14 is firstly contacted with the female end valve rod 6, then the male end valve body 13 is pressed into the female end valve body 3 together with the female end valve sleeve 5, meanwhile, the female end valve rod 6 is pressed into the male end valve body 13 against the male end valve core 14, so that the internal flow channel of the male end valve body 13 and the internal flow channel of the female end valve body 3 are automatically communicated, and when the male end valve body 13 moves to a second locking groove 16 on the male end valve body and corresponds to the locking steel balls 9, the locking steel balls 9 are separated from the first locking groove 10 and are partially clamped into the second locking groove 16, at the moment, the female end connector 11 drives the female end valve body 3 to retreat for a certain distance through the elastic restoring force of the compression spring 12, meanwhile, the female end valve body 3 drives the male end valve body 13 to move together through the locking steel balls 9, so that the outer ring sleeve 2 presses the locking steel balls 9, at the moment, the male valve body 13 and the female valve body 3 cannot move relatively to realize the locking between the male connector and the female connector, so that the assembly of the male connector and the female connector is completed;
when the male end joint and the female end joint are disassembled, the male end joint is pulled backwards, the male end joint drives the female end valve body 3 to move together through the locking steel balls 9, meanwhile, the female end valve body 3 drives the female end coupling joint 11 to move and compress the compression spring 12, when the female end valve body 3 moves to the state that the locking steel balls 9 on the female end valve body correspond to the first locking groove 10, the locking steel balls 9 are separated from the second locking groove 16 and are partially clamped into the first locking groove 10, and at the moment, the female end valve sleeve 5 pushes the male end valve body 13 out of the female end valve body 3 through the elasticity of the valve sleeve reset spring 7, so that the male end joint and the female end joint are unlocked, and the male end joint and the female end joint are disassembled. And, the female valve sleeve 5 will push down the locking steel ball 9 after resetting, so that the female valve body 3 and the outer ring sleeve 2 can not move relatively, the female valve body 3 and the outer ring sleeve 2 are in a locking state, and the compression spring 12 will keep a compression state.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A self-locking quick connector is characterized by comprising a connector fixing piece, a female end connector and a male end connector, wherein the female end connector and the male end connector are butt-jointed ends respectively at front ends;
the female end connector comprises an outer ring sleeve, a female end valve body, a female end valve seat, a female end valve sleeve, a female end valve rod and a valve sleeve return spring, wherein the female end valve seat, the female end valve sleeve, the female end valve rod and the valve sleeve return spring are arranged in an internal flow channel of the female end valve body; the outer ring sleeve is fixedly connected with the joint fixing piece, the outer ring sleeve is sleeved outside the female end valve body, the female end valve body can move along the axial direction of the outer ring sleeve, a steel ball hole is formed in the peripheral wall of the female end valve body, a locking steel ball capable of moving along the radial direction of the female end valve body is arranged in the steel ball hole and is in contact with the outer peripheral surface of the female end valve sleeve, a first locking groove corresponding to the locking steel ball is formed in the inner peripheral surface of the outer ring sleeve, part of the locking steel ball is clamped into the first locking groove, the tail end of the female end valve body is fixedly connected with a female end connecting head, and a compression spring is connected between the female end connecting head and the outer ring sleeve;
the male end connector comprises a male end valve body, a male end valve core and a valve core reset spring, and the male end valve core and the valve core reset spring are arranged in an internal flow passage of the male end valve body; and a second locking groove for clamping the locking steel ball part is formed in the outer peripheral surface of the male end valve body.
2. The self-locking quick connector according to claim 1, wherein the connector holder has a mounting hole, the outer ring is inserted into the mounting hole, and the outer ring sleeve has an annular engaging portion and an engaging groove on an outer circumferential surface thereof, the engaging groove has a snap spring, a gasket is disposed between the snap spring and the annular engaging portion, and the connector holder is clamped between the annular engaging portion and the gasket.
3. The self-locking quick coupling according to claim 2, wherein the inner circumferential surface of the outer ring sleeve is provided with an annular limiting step, and the outer circumferential surface of the female valve body is provided with an annular protrusion corresponding to the annular limiting step.
4. The self-locking quick connector according to claim 3, wherein the two side walls of the first locking groove and the two side walls of the second locking groove are both outward-expanding slopes.
5. The self-locking quick coupling of claim 4, wherein a gap is left between the outer circumferential surface of the outer ring sleeve and the wall of the mounting hole, and the inner circumferential surface of the front end of the female valve body is an outwardly-expanding conical surface.
6. The self-locking quick connector according to claim 5, wherein a male end coupling head is fixedly connected to the tail end of the male end valve body.
7. The self-locking quick coupling according to claim 6, wherein the female valve body is provided with a female color ring on the outer peripheral surface of the front end thereof, and the male coupling is provided with a male color ring on the outer peripheral surface of the front end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678543.3A CN115076488A (en) | 2022-06-16 | 2022-06-16 | Self-locking type quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678543.3A CN115076488A (en) | 2022-06-16 | 2022-06-16 | Self-locking type quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115076488A true CN115076488A (en) | 2022-09-20 |
Family
ID=83253038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210678543.3A Pending CN115076488A (en) | 2022-06-16 | 2022-06-16 | Self-locking type quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076488A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691844A (en) * | 2012-06-11 | 2012-09-26 | 中航光电科技股份有限公司 | Self-alignment connector assembly and self-alignment connector thereof |
| CN202733274U (en) * | 2012-06-11 | 2013-02-13 | 中航光电科技股份有限公司 | Floating connector assembly and floating female connector thereof |
| CN103343852A (en) * | 2013-07-09 | 2013-10-09 | 慈溪市万象气动元件有限公司 | Common quick connector device |
| CN203300883U (en) * | 2013-06-26 | 2013-11-20 | 东莞市纳百川电子科技有限公司 | Improved connector |
| CN106931260A (en) * | 2017-03-31 | 2017-07-07 | 福建上润精密仪器有限公司 | A kind of pressure piping snap joint |
| CN208058210U (en) * | 2018-02-05 | 2018-11-06 | 宁波铮华液压有限公司 | A kind of quick coupling of operation readiness |
| CN208900917U (en) * | 2018-08-09 | 2019-05-24 | 扬中市诺贝电气有限公司 | A kind of pipe fitting switching device |
| CN212616940U (en) * | 2020-06-30 | 2021-02-26 | 淮安杰鼎唐科技有限公司 | Quick-operation joint and automatic test equipment |
| CN113124248A (en) * | 2021-05-18 | 2021-07-16 | 北京辉程动力科技有限公司 | Panel connecting quick connector for vehicle power battery cooling pipeline |
-
2022
- 2022-06-16 CN CN202210678543.3A patent/CN115076488A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691844A (en) * | 2012-06-11 | 2012-09-26 | 中航光电科技股份有限公司 | Self-alignment connector assembly and self-alignment connector thereof |
| CN202733274U (en) * | 2012-06-11 | 2013-02-13 | 中航光电科技股份有限公司 | Floating connector assembly and floating female connector thereof |
| CN203300883U (en) * | 2013-06-26 | 2013-11-20 | 东莞市纳百川电子科技有限公司 | Improved connector |
| CN103343852A (en) * | 2013-07-09 | 2013-10-09 | 慈溪市万象气动元件有限公司 | Common quick connector device |
| CN106931260A (en) * | 2017-03-31 | 2017-07-07 | 福建上润精密仪器有限公司 | A kind of pressure piping snap joint |
| CN208058210U (en) * | 2018-02-05 | 2018-11-06 | 宁波铮华液压有限公司 | A kind of quick coupling of operation readiness |
| CN208900917U (en) * | 2018-08-09 | 2019-05-24 | 扬中市诺贝电气有限公司 | A kind of pipe fitting switching device |
| CN212616940U (en) * | 2020-06-30 | 2021-02-26 | 淮安杰鼎唐科技有限公司 | Quick-operation joint and automatic test equipment |
| CN113124248A (en) * | 2021-05-18 | 2021-07-16 | 北京辉程动力科技有限公司 | Panel connecting quick connector for vehicle power battery cooling pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 孙勇: "《现代汽车故障检修技术》", 科学技术文献出版社, pages: 274 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5022687A (en) | Pipe coupling | |
| EP0753120B1 (en) | Deep drawn quick connect coupling | |
| US20090184518A1 (en) | Coupling apparatus | |
| JPS6310935Y2 (en) | ||
| CA2880036C (en) | Quick connect coupling with swaged valve components and method for assembling | |
| JP2004510933A (en) | Coupling adapter and coupling assembly | |
| CN202091688U (en) | Quick connector | |
| CN115076488A (en) | Self-locking type quick connector | |
| US6688655B1 (en) | Quick connection-release coupling | |
| KR200483179Y1 (en) | Faucet connector | |
| TWM641820U (en) | Quick pipe joint | |
| US5192094A (en) | Expansion pipe joint | |
| CN210742556U (en) | Drop optical fiber connector and socket adaptive to neutral optical contact element | |
| CN207801054U (en) | Transformer quick-speed plug connector | |
| CN218719547U (en) | A connect for convenient dismouting of pipeline | |
| CN215635634U (en) | Heat management quick-operation joint | |
| CN113819328B (en) | Push type quick-change connector | |
| CN215568784U (en) | Automatic locking structure of connector | |
| CN219796500U (en) | Quick pipe joint | |
| JPS6332475Y2 (en) | ||
| CN218975944U (en) | Push-button fluid connector | |
| CN219912160U (en) | Self-locking connecting assembly | |
| CN220152137U (en) | Ball type embedded tube joint with quick assembly and disassembly | |
| JP2775079B2 (en) | Pipe fittings | |
| CN214999952U (en) | Plug-in type quick joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |