CN108635648B - Limiting joint for corrugated pipe - Google Patents
Limiting joint for corrugated pipe Download PDFInfo
- Publication number
- CN108635648B CN108635648B CN201810932164.6A CN201810932164A CN108635648B CN 108635648 B CN108635648 B CN 108635648B CN 201810932164 A CN201810932164 A CN 201810932164A CN 108635648 B CN108635648 B CN 108635648B
- Authority
- CN
- China
- Prior art keywords
- interface device
- corrugated pipe
- fixing
- outer interface
- wrapping
- 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.)
- Active
Links
- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Supports For Pipes And Cables (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the field of pipeline interface devices, in particular to a corrugated pipe limit joint. A corrugated pipe limit joint comprises an inner interface device, an outer interface device and a fixing device used for being connected with a water pump; the inner interface device is sleeved in the corrugated pipe, and the outer interface device is sleeved outside the corrugated pipe; the outer interface device is connected with the corrugated pipe and is fixed by a limiting lock device, the limiting lock device comprises an insertion part and a buckling part, and the bottom end of the insertion part is connected with the part of the buckling part extending out of the inner interface device; the outer interface device comprises an upper mounting part, a wrapping part and a connecting arm; screw thread surfaces are arranged on the outer surface of the lower part of the wrapping part and the outer surface of the supporting part. The invention provides a corrugated pipe limit joint which is firmly connected with a corrugated pipe and can be detached from a respirator.
Description
Technical Field
The invention relates to the field of pipeline interface devices, in particular to a corrugated pipe limit joint.
Background
The respirator uses the motor as a gas power source, and fresh air generated by the fan is continuously conveyed into the breathing mask by the corrugated pipe, so that an operator can breathe the fresh air even in a severe environment. Therefore, the reliability of the bellows interface is particularly important.
In the prior art, the thread line of the inner wall of the corrugated pipe is in line contact with the outer wall of the inner joint part, so that the contact area is small, even if an adhesive for realizing bonding is arranged between the outer wall of the corrugated pipe and the inner wall of the inner joint part, the corrugated pipe is easy to slip, the condition of air supply interruption is easy to cause, and potential safety hazards are further brought. Meanwhile, the joint and the joint of the respirator are generally integrally designed, and the joint is inconvenient to replace when damaged.
Therefore, it is desirable to design a bellows spacing fitting that is securely attached to the bellows and that can be removed from the respirator.
Disclosure of Invention
The invention aims to provide a corrugated pipe limit joint which is firmly connected with a corrugated pipe and can be detached from a respirator.
The technical aim of the invention is realized by the following technical scheme:
a corrugated pipe limit joint comprises an inner interface device, an outer interface device and a fixing device used for being connected with a water pump;
the inner interface device is sleeved in the corrugated pipe, and the outer interface device is sleeved outside the corrugated pipe;
the outer interface device is connected with the corrugated pipe and is fixed by a limiting lock device, the limiting lock device comprises an insertion part inserted into the outer interface device and a buckling part buckled with the inner interface device, and the bottom end of the insertion part is connected with the part of the buckling part extending out of the inner interface device;
the outer interface device comprises an upper mounting part, a first wrapping part and a connecting arm, wherein the first wrapping part is arranged below the upper mounting part and used for wrapping the corrugated pipe, the connecting arm is arranged below the upper mounting part and used for being connected with the fixing device, and the first wrapping part is connected with the top end of the connecting arm and forms an insertion blind hole;
the fixing device comprises a second wrapping part wrapping the outer interface device and a supporting part connected with the inner interface device and used for supporting the inner interface device;
a thread surface is arranged on the outer surface of the lower part of the second wrapping part and the outer surface of the supporting part.
The technical scheme has the advantages that:
a limit lock device is arranged, an insertion part of the limit lock device is inserted into the insertion blind hole, the buckling part is meshed with the internal connecting device, downward acting force and inward pressure acting on the outer interface device, the corrugated pipe is more stably wrapped through the limit lock device, and the outer interface device is more stably installed; in addition, the screw thread face is arranged at the bottom of the fixing device and can be rotationally fixed on the breathing machine, so that the corrugated pipe limiting joint and the breathing machine are easy to detach and install, convenient to assemble and disassemble and easy to maintain and replace.
As the optimization of the technical scheme, the lower end of the connecting arm is provided with a connecting hook head.
As the optimization of this technical scheme, interior interface arrangement includes with the interior spacing post of bellows port inner wall contact and set up in interior spacing post below with fixing device is connected outer interface arrangement spacing platform.
As the preference of this technical scheme, interior spacing post surface circumference array distributes has the barb that thorn point is decurrent. The contact area between the internal joint device and the inner wall of the corrugated pipe is increased, the friction force is increased, the corrugated pipe is limited by the barbs after being inserted, and the corrugated pipe is kept in a stable state.
As the optimization of the technical scheme, the inner limit post and the outer interface device limit table are connected through a meshing part, and a meshing channel which is inwards bent and recessed is arranged in the meshing part;
the engagement channel engages the engagement portion.
Preferably, the upper surface of the engagement portion is connected with the bellows port, and the outer side wall of the supporting and limiting table is connected with the inner wall of the outer interface device.
As a preferable mode of the technical scheme, the upper mounting part is provided with a fixing through hole;
the upper part of the second wrapping part is provided with a fixed blind hole which is recessed downwards and can be connected with the fixed through hole;
the fixing through holes are connected with the fixing blind holes through screws. The external interface device is further secured.
As the optimization of this technical scheme, fixed through-hole with be equipped with the silica gel packing ring between the fixed blind hole. When the external interface device is pressed downwards in actual use, friction between the external interface device and the fixing device is reduced, the external interface device and the fixing device are protected, and the service life is prolonged.
Preferably, the supporting portion includes a supporting groove recessed toward the direction of the thread surface, and the supporting groove is connected with the external interface device limiting table.
As the optimization of the technical scheme, the lower end of the supporting groove is internally provided with a supporting ring in a protruding mode, and the supporting ring is connected with a part of the outer interface device limiting table. The inner interface device is used for being connected with the outer interface device limiting table and supporting the inner interface device.
Drawings
FIG. 1 is a block diagram of a bellows spacing fitting of the present invention;
FIG. 2 is a block diagram of an interface device of the present invention;
FIG. 3 is a block diagram of an external interface device of the present invention;
FIG. 4 is a block diagram of the fixture of the present invention;
in the figure: the device comprises a 1-inner joint device, a 11-inner limit post, a 111-barb, a 12-outer joint device limit table, a 13-occluding part, a 14-occluding channel, a 2-outer joint device, a 21-upper mounting part, a 211-fixing through hole, a 22-connecting arm, a 221-inserting blind hole, a 222-connecting hook head, a 23-first wrapping part, a 3-fixing device, a 31-second wrapping part, a 311-fixing blind hole, a 32-supporting part, a 33-thread surface, a 4-screw, a 5-silica gel gasket, a 6-limit lock device, a 61-inserting part and a 62-buckling part.
Detailed Description
The following specific examples are intended to be illustrative of the invention and are not intended to be limiting, as modifications of the invention will be apparent to those skilled in the art upon reading the specification without inventive contribution thereto, and are intended to be protected by the patent law within the scope of the appended claims.
Example 1
As shown in fig. 1-4, a bellows spacing joint of the present invention is provided.
The corrugated pipe limit joint comprises an inner interface device 1, an outer interface device 2 and a fixing device 3 used for being connected with a water pump;
the inner interface device 1 is sleeved in the corrugated pipe, and the outer interface device 2 is sleeved outside the corrugated pipe;
the outer interface device 2 is connected with a corrugated pipe, the outer interface device 2 is fixed by a limiting lock device 6, the limiting lock device 6 comprises an insertion part 61 inserted into the outer interface device 2 and a buckling part 62 buckled with the inner interface device 1, and the bottom end of the insertion part 61 is connected with a part of the buckling part 62 extending out of the inner interface device 1;
the external interface device 2 comprises an upper mounting part 21, a first wrapping part 23 arranged below the upper mounting part 21 and used for wrapping a corrugated pipe, and a connecting arm 22 arranged below the upper mounting part 21 and used for being connected with the fixing device 3, wherein the first wrapping part 23 is connected with the top end of the connecting arm 22 and forms an insertion blind hole 221;
the fixing device 3 comprises a second wrapping part 31 wrapping outside the outer interface device 2 and a supporting part 32 connected with the inner interface device 1 for supporting the inner interface device 1;
a screw surface 33 is provided on the outer surface of the lower portion of the second wrapping portion 31 and the outer surface of the supporting portion 32.
A limit lock device is arranged, an insertion part of the limit lock device is inserted into the insertion blind hole, the buckling part is meshed with the internal connecting device, downward acting force and inward pressure acting on the outer interface device, the corrugated pipe is more stably wrapped through the limit lock device, and the outer interface device is more stably installed; in addition, the screw thread face is arranged at the bottom of the fixing device and can be rotationally fixed on the breathing machine, so that the corrugated pipe limiting joint and the breathing machine are easy to detach and install, convenient to assemble and disassemble and easy to maintain and replace.
Example 2
As shown in fig. 1 to 4, based on embodiment 1, the difference from embodiment 1 is that:
the lower end of the connecting arm 22 is provided with a connecting hook 222.
The inner interface device 1 comprises an inner limit post 11 contacted with the inner wall of the corrugated pipe port and an outer interface device limit table 12 arranged below the inner limit post 11 and connected with the fixing device 3.
The circumferential array of the outer surface of the inner limit post 11 is provided with barbs 111 with downward thorns. The contact area between the internal joint device and the inner wall of the corrugated pipe is increased, the friction force is increased, the corrugated pipe is limited by the barbs after being inserted, and the corrugated pipe is kept in a stable state.
The inner limit post 11 is connected with the outer interface device limit table 12 through a meshing part 13, and a meshing channel 14 which is inwards bent and recessed is arranged in the meshing part 13;
the engagement channel 14 engages the engagement portion 62.
The upper surface of the engagement part 13 is connected with the port of the corrugated pipe, and the outer side wall of the supporting limiting table 12 is connected with the inner wall of the outer interface device 2.
The upper mounting part 21 is provided with a fixing through hole 211 therein;
the upper part of the second wrapping part 31 is provided with a fixing blind hole 311 which is recessed downwards and can be connected with the fixing through hole 211;
the fixing through hole 211 and the fixing blind hole 311 are connected by a screw 4.
A silica gel gasket 5 is arranged between the fixing through hole 211 and the fixing blind hole 311. When the outer interface device 2 is pressed downwards in actual use, friction between the outer interface device 2 and the fixing device 3 is reduced, the outer interface device 2 and the fixing device 3 are protected, and the service life is prolonged.
The supporting portion 32 includes a supporting groove 321 recessed toward the direction of the threaded surface 33, and the supporting groove 321 is connected to the external interface device limiting table 12.
A supporting ring 322 is provided at the lower end of the supporting groove 321 in an inward protruding manner, and the supporting ring 322 is connected with a part of the outer interface device limiting table 12. For connecting with the outer interface device stop table 12 and supporting the inner interface device 1.
Claims (6)
1. The corrugated pipe limit joint is characterized by comprising an inner interface device (1), an outer interface device (2) and a fixing device (3) used for being connected with a breathing machine;
the inner interface device (1) is sleeved in the corrugated pipe, and the outer interface device (2) is sleeved outside the corrugated pipe;
the outer interface device (2) is connected with the corrugated pipe, the outer interface device (2) is fixed by a limit lock device (6), the limit lock device (6) comprises an insertion part (61) inserted into the outer interface device (2) and a buckling part (62) buckled with the inner interface device (1), and the bottom end of the insertion part (61) is connected with the part of the buckling part (62) extending out of the inner interface device (1);
the outer interface device (2) comprises an upper mounting part (21), a first wrapping part (23) arranged below the upper mounting part (21) and used for wrapping a corrugated pipe, and a connecting arm (22) arranged below the upper mounting part (21) and used for being connected with the fixing device (3), wherein the first wrapping part (23) is connected with the top end of the connecting arm (22) and forms an insertion blind hole (221);
the fixing device (3) comprises a second wrapping part (31) wrapping outside the outer interface device (2) and a supporting part (32) connected with the inner interface device (1) and used for supporting the inner interface device (1);
a thread surface (33) is arranged on the outer surface of the lower part of the second wrapping part (31) and the outer surface of the supporting part (32);
the inner interface device (1) comprises an inner limit column (11) contacted with the inner wall of the corrugated pipe port and an outer interface device limit table (12) arranged below the inner limit column (11) and connected with the fixing device (3);
barbs (111) with downward thorns are distributed on the outer surface of the inner limit column (11) in a circumferential array;
the inner limit column (11) is connected with the outer interface device limit table (12) through a meshing part (13), and a meshing channel (14) which is inwards bent and recessed is arranged in the meshing part (13); the engagement channel (14) engages with the engagement portion (62);
a fixing through hole (211) is arranged in the upper mounting part (21); the upper part of the second wrapping part (31) is provided with a fixed blind hole (311) which is recessed downwards and can be connected with the fixed through hole (211); the fixing through hole (211) is connected with the fixing blind hole (311) through a screw (4).
2. The spacing joint of claim 1, wherein the lower end of the connecting arm (22) is provided with a connecting hook (222).
3. A bellows spacing joint according to claim 1, characterized in that the upper surface of the engagement portion (13) is connected to the bellows end, and the outer side wall of the outer interface device spacing table (12) is connected to the inner wall of the outer interface device (2).
4. A bellows spacing joint according to claim 1, characterized in that a silicone gasket (5) is arranged between the fixing through hole (211) and the fixing blind hole (311).
5. A bellows spacing joint according to claim 1, characterized in that the support part (32) comprises a support groove (321) recessed in the direction of the thread surface (33), the support groove (321) being connected to the outer interface means spacing stage (12).
6. The corrugated pipe limiting joint according to claim 5, wherein a supporting ring (322) is arranged at the lower end of the supporting groove (321) in an inward protruding mode, and the supporting ring (322) is connected with a part of the outer interface device limiting table (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932164.6A CN108635648B (en) | 2018-08-16 | 2018-08-16 | Limiting joint for corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932164.6A CN108635648B (en) | 2018-08-16 | 2018-08-16 | Limiting joint for corrugated pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108635648A CN108635648A (en) | 2018-10-12 |
| CN108635648B true CN108635648B (en) | 2024-04-12 |
Family
ID=63761107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932164.6A Active CN108635648B (en) | 2018-08-16 | 2018-08-16 | Limiting joint for corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108635648B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703755A1 (en) * | 1993-04-05 | 1994-10-14 | Legris Sa | Device for connecting a flexible hose to a rigid end piece |
| JP2001355775A (en) * | 2000-06-13 | 2001-12-26 | Fujii Gokin Seisakusho Co Ltd | Flexible pipe joint |
| JP2003028365A (en) * | 2001-07-19 | 2003-01-29 | Tokyo Gas Co Ltd | Insert type pipe joint |
| CN101842627A (en) * | 2007-08-28 | 2010-09-22 | 弗雷克萨生产和分布有限责任两合公司 | The connection and the coupling that are used for corrugated flexible hose |
| EP2233814A1 (en) * | 2009-03-23 | 2010-09-29 | Eisele Pneumatics GmbH & Co. KG | Device for removably connecting to an end of a tubular conduit, in particular quick hose connector |
| CN102047020A (en) * | 2007-12-14 | 2011-05-04 | A及S环保技术股份公司 | Coupling for interconnecting at least two pipes |
| CN202149306U (en) * | 2011-07-06 | 2012-02-22 | 上海宝亚安全装备有限公司 | Fixing connector for corrugated tube of electric air-blasting type long-tube breathing apparatus |
| CN202452016U (en) * | 2012-02-09 | 2012-09-26 | 王和顺 | Novel water inlet hose |
| CN202612936U (en) * | 2012-03-28 | 2012-12-19 | 无锡商业职业技术学院 | Shower flexible pipe |
| CN202733258U (en) * | 2012-07-27 | 2013-02-13 | 上海宝亚安全装备有限公司 | Fixing port used for electric air supply type long-pipe respirator corrugated pipe |
| CN203139433U (en) * | 2013-03-13 | 2013-08-21 | 上海宝亚安全装备有限公司 | Bellows fixing connector |
| CN203139438U (en) * | 2013-03-13 | 2013-08-21 | 上海宝亚安全装备有限公司 | Bellows fixing device |
| CN203770899U (en) * | 2014-04-10 | 2014-08-13 | 高安市璐克斯机械有限公司 | Hose locking device for high-pressure quick connector |
| KR101500272B1 (en) * | 2014-04-04 | 2015-03-06 | 김용태 | Pipe coupling assembly |
| CN209392538U (en) * | 2018-08-16 | 2019-09-17 | 浙江康泰管业科技有限公司 | A kind of bellows positioning joint |
-
2018
- 2018-08-16 CN CN201810932164.6A patent/CN108635648B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703755A1 (en) * | 1993-04-05 | 1994-10-14 | Legris Sa | Device for connecting a flexible hose to a rigid end piece |
| JP2001355775A (en) * | 2000-06-13 | 2001-12-26 | Fujii Gokin Seisakusho Co Ltd | Flexible pipe joint |
| JP2003028365A (en) * | 2001-07-19 | 2003-01-29 | Tokyo Gas Co Ltd | Insert type pipe joint |
| CN101842627A (en) * | 2007-08-28 | 2010-09-22 | 弗雷克萨生产和分布有限责任两合公司 | The connection and the coupling that are used for corrugated flexible hose |
| CN102047020A (en) * | 2007-12-14 | 2011-05-04 | A及S环保技术股份公司 | Coupling for interconnecting at least two pipes |
| EP2233814A1 (en) * | 2009-03-23 | 2010-09-29 | Eisele Pneumatics GmbH & Co. KG | Device for removably connecting to an end of a tubular conduit, in particular quick hose connector |
| CN202149306U (en) * | 2011-07-06 | 2012-02-22 | 上海宝亚安全装备有限公司 | Fixing connector for corrugated tube of electric air-blasting type long-tube breathing apparatus |
| CN202452016U (en) * | 2012-02-09 | 2012-09-26 | 王和顺 | Novel water inlet hose |
| CN202612936U (en) * | 2012-03-28 | 2012-12-19 | 无锡商业职业技术学院 | Shower flexible pipe |
| CN202733258U (en) * | 2012-07-27 | 2013-02-13 | 上海宝亚安全装备有限公司 | Fixing port used for electric air supply type long-pipe respirator corrugated pipe |
| CN203139433U (en) * | 2013-03-13 | 2013-08-21 | 上海宝亚安全装备有限公司 | Bellows fixing connector |
| CN203139438U (en) * | 2013-03-13 | 2013-08-21 | 上海宝亚安全装备有限公司 | Bellows fixing device |
| KR101500272B1 (en) * | 2014-04-04 | 2015-03-06 | 김용태 | Pipe coupling assembly |
| CN203770899U (en) * | 2014-04-10 | 2014-08-13 | 高安市璐克斯机械有限公司 | Hose locking device for high-pressure quick connector |
| CN209392538U (en) * | 2018-08-16 | 2019-09-17 | 浙江康泰管业科技有限公司 | A kind of bellows positioning joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108635648A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101195280B1 (en) | Apparatus for connecting a insertional pipe | |
| RU2012120426A (en) | PIPELINE CONNECTOR FOR FLUID AND PIPELINE FOR FLUID | |
| CA2609363A1 (en) | Air spring assembly with non-threaded connection | |
| WO2014144586A3 (en) | Aeration element for the gasification of liquids | |
| WO2015101117A1 (en) | Fan device and ventilator comprising said fan device | |
| JP2016136028A (en) | Resin pipe joint structure | |
| CN108635648B (en) | Limiting joint for corrugated pipe | |
| KR101152994B1 (en) | Faucet of device connecting water supply hose | |
| CN103661427A (en) | Auxiliary air supply device and electric locomotive | |
| CN208735064U (en) | A kind of corrugated pipe connector | |
| CN209392538U (en) | A kind of bellows positioning joint | |
| DE502004008683D1 (en) | Compressed air lifting system for flowable media | |
| US20130125626A1 (en) | Leak detection apparatus, system, and method | |
| KR101575274B1 (en) | The installation structure of pressure guage | |
| CA3024582C (en) | Direct vent dilution air connection system | |
| CN109027464A (en) | A kind of corrugated pipe connector | |
| JP2015069782A (en) | Lighting apparatus mounting device | |
| JP4958691B2 (en) | Ball valve fixing structure | |
| CN217422601U (en) | Pipeline vibration isolation device and pipeline | |
| CN105114718A (en) | Compressed gas pipeline quick connector | |
| CN221053863U (en) | Industrial gas vacuum pump | |
| CN220494819U (en) | Water storage container and water dispenser | |
| CN206904422U (en) | A kind of flexible pipe anti-dropout attachment means | |
| JP5364770B2 (en) | Hose fasteners | |
| CN211450531U (en) | Moving head lamp mounting structure |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240315 Address after: No. 28, Tianxin Road, Tianhui Town, Jinniu District, Chengdu, Sichuan 610000 Applicant after: Chengdu Jingang Metal Products Co.,Ltd. Country or region after: China Address before: 313000 West Shuangshan Road, Economic Development Zone, Deqing County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG KANGTAI PIPE INDUSTRY TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |