CN205606065U - A complete anticorrosive connection structure for serving as a contrast mould compound steel pipes - Google Patents
A complete anticorrosive connection structure for serving as a contrast mould compound steel pipes Download PDFInfo
- Publication number
- CN205606065U CN205606065U CN201620429362.7U CN201620429362U CN205606065U CN 205606065 U CN205606065 U CN 205606065U CN 201620429362 U CN201620429362 U CN 201620429362U CN 205606065 U CN205606065 U CN 205606065U
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- Prior art keywords
- steel
- pipe
- plastic
- plastic lining
- lining composite
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 172
- 239000010959 steel Substances 0.000 title claims abstract description 172
- 150000001875 compounds Chemical class 0.000 title abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 96
- 239000004033 plastic Substances 0.000 claims abstract description 96
- 239000002131 composite material Substances 0.000 claims description 58
- 238000005260 corrosion Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000005530 etching Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a complete anticorrosive connection structure especially discloses a complete anticorrosive connection structure for serving as a contrast mould compound steel pipes, belongs to liquid anticorrosion pipeline manufacturing and designing technical field. The utility model provides a be applicable to a complete anticorrosive connection structure for serving as a contrast mould compound steel pipes who carries high temperature, high pressure, strong corrosive medium. Complete anticorrosive connection structure moulds compound steel pipes, coupling mechanism, stopping including serving as a contrast, the plastic tubing connects and contain the steel oversleeve pipe that holds the chamber the link that compound steel pipes was moulded to the lining has one section inside lining plastic tubing linkage segment that has stripped the steel parent tube, adjacent two sections the inside lining plastic tubing linkage segment that compound steel pipes was moulded to the lining passes through plastic tubing joint sealing connect adjacent two sections the steel parent tube that compound steel pipes was moulded to the lining passes through steel oversleeve pipe with coupling mechanism connect and to be a whole, the stopping fill by steel oversleeve pipe hold the chamber with the lining is moulded in the packing chamber of compound steel pipes's lateral wall constitution.
Description
Technical field
This utility model relates to a kind of full anti-corrosion connecting structure, especially relates to a kind of full anticorrosion for plastic lining composite steel pipe and connects
Structure, belongs to anti-corrosion pipeline design and manufacturing technology field.
Background technology
In prior art, connect to make plastic lining composite steel pipe realize butt welding, one section need to be installed additional not at the port of plastic lining composite steel pipe
Rust steel pipe, or install one section of Double layer metal composite pipe making lining with rustless steel additional.Utilize this rustless steel pipeline section or double-level-metal multiple
Closing pipeline section, on the one hand guarantee plastic lining composite steel pipe is when butt welding connects, and the lining plastic bed of material of its port is not soldered the high temperature produced
Destroy；On the other hand the carbon steel base tube making lining plastic compound steel pipe port does not contacts with the medium of conveying in plastic lining composite steel pipe, anti-
Only the carbon steel base tube of lining plastic compound steel pipe port is corroded.But, when carrying high temperature, high pressure, deep-etching in plastic lining composite steel pipe
During medium, rustless steel pipeline section or Double layer metal composite pipe section that its port installs additional there is also the probability being corroded.So, find
And design a kind of energy meet conveying high temperature, high pressure, the plastic lining composite steel pipe full anti-corrosion connecting structure form of strong corrosive medium needs
Just become during long defeated lining plastic compound steel pipeline is installed the key technical problem that must take into and solve.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of being applicable to carry high temperature, high pressure, the use of strong corrosive medium
Full anti-corrosion connecting structure in plastic lining composite steel pipe.
A kind of full anti-corrosion connecting structure for plastic lining composite steel pipe is the technical scheme is that by solving above-mentioned technical problem,
Including plastic lining composite steel pipe, described full anti-corrosion connecting structure also includes bindiny mechanism, inserts, joint for plastic tube and contains appearance
Receiving the steel oversleeve pipe in chamber, the end that connects at described plastic lining composite steel pipe has one section of inner lining plastic tube having divested steel base tube and connects
Section, the inner lining plastic tube linkage section of adjacent two sections of described plastic lining composite steel pipes is tightly connected by described joint for plastic tube, adjacent
The steel base tube of two sections of described plastic lining composite steel pipes is connected as an entirety by described steel oversleeve pipe and described bindiny mechanism,
Described inserts is filled in the filling chamber being made up of the lateral wall in the described receiving chamber of steel oversleeve pipe Yu described plastic lining composite steel pipe
In.
The beneficial effects of the utility model are: tuck inside the sleeve by arranging a set of bindiny mechanism, inserts, joint for plastic tube and steel of including
The full anti-corrosion connecting structure of sleeve pipe, and receiving chamber is set on described steel oversleeve pipe.So, high temperature, high pressure, strong is being installed
During corrosive medium long-distance transport pipes, just first connection end at described plastic lining composite steel pipe can expose one section of liner after divesting steel base tube
Plastic tube linkage section, processes described steel oversleeve pipe and bindiny mechanism the most respectively, makes adjacent two sections of described linings mould the most again
The plastic lining linkage section of composite steel tube is tightly connected by described joint for plastic tube, makes adjacent two sections of described plastic lining composite steel pipes
Steel base tube be connected as an entirety by described steel oversleeve pipe and described bindiny mechanism, the most again by steel oversleeve pipe
Injecting inserts solidification in the filling chamber that described receiving chamber and the lateral wall of described plastic lining composite steel pipe are constituted, can to complete described length defeated
The full anticorrosion of one joint of pipeline connects.Owing to using the above-mentioned full anti-corrosion connecting structure of the application, make long-distance transport pipes at joint
The anticorrosive coat at place remain as can the plastics composite bed of deep-etching high temperature resistant, anti-, thus ensure that long-distance transport pipes conveying high temperature,
Strong corrosive medium will not destroy because of the severe corrosive of transported medium；And in full anti-corrosion connecting structure described herein
Use steel oversleeve pipe and note in the filling chamber being made up of the lateral wall in the described receiving chamber of steel oversleeve pipe Yu described plastic lining composite steel pipe
Enter inserts and solidify, both having can ensure that the tensile strength along conveying direction at jointing, can guarantee that again at jointing along footpath
To anti-high voltage intensity, thus reach ensure feed-line conveying high-pressure medium time joint conveying intensity.
Further, the two ends of described joint for plastic tube respectively with the inner lining plastic tube linkage section of respective side plastic lining composite steel pipe
The bonding connection in end or thermofussion welding connect.
Further, described bindiny mechanism includes that being circumferentially disposed at plastic lining composite steel pipe connects outside the steel base tube of end
Groove and the limited location snap ring that is arranged in this installation groove are installed, be respectively provided with one at the two ends accommodating chamber of described steel oversleeve pipe
The individual compression conical surface；The steel base tube of adjacent two sections of described plastic lining composite steel pipes by described steel oversleeve pipe described installation groove,
It is arranged under the cooperation of the limited location snap ring in this installation groove and the described compression conical surface and is connected as an entirety.
Such scheme it is preferable that, described limited location snap ring is the split ring of circular in cross-section.
Further, described steel oversleeve pipe includes the steel main sleeve pipe of sleeve and steel sleeve secondary case pipe, in the described steel main sleeve pipe of sleeve and institute
It is each provided with a described compression conical surface respectively on the steel sleeve secondary case pipe stated, compresses described spacing respectively by the described compression conical surface
The described steel main sleeve pipe of sleeve after snap ring is connected as an entirety with described steel sleeve secondary case pipe by Welding Structure.
Further, described bindiny mechanism is the external screw thread being arranged on the steel base tube end that plastic lining composite steel pipe connects end
Be arranged on the female thread of described steel oversleeve tube end, the steel base tube of adjacent two sections of described plastic lining composite steel pipes is by described steel sleeve
Sleeve pipe is connected as an entirety by described external screw thread and described female thread.
Further, described inserts is the solidification parcel thermal barrier that the hand-hole by being arranged on described receiving chamber injects.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation for the full anti-corrosion connecting structure of plastic lining composite steel pipe.
Figure is labeled as: plastic lining composite steel pipe 1, bindiny mechanism 2, inserts 3, joint for plastic tube 4, receiving chamber 5, steel sleeve
Sleeve pipe 6, steel base tube 7, inner lining plastic tube linkage section 8, installation groove 9, limited location snap ring 10, the compression conical surface 11, steel sleeve are main
Sleeve pipe 12, steel sleeve secondary case pipe 13, hand-hole 14.
Detailed description of the invention
Be that this utility model provides as shown in Figure 1 a kind of be applicable to carry high temperature, high pressure, strong corrosive medium mould multiple for lining
Close the full anti-corrosion connecting structure of steel pipe.Described full anti-corrosion connecting structure includes that plastic lining composite steel pipe 1, described full anticorrosion connect
Structure also includes bindiny mechanism 2, inserts 3, joint for plastic tube 4 and the steel oversleeve pipe 6 containing receiving chamber 5, moulds at described lining
The end that connects of composite steel tube 1 has one section of inner lining plastic tube linkage section 8 having divested steel base tube 7, and adjacent two sections of described linings are moulded
The inner lining plastic tube linkage section 8 of composite steel tube 1 is tightly connected by described joint for plastic tube 4, and adjacent two sections of described linings are moulded multiple
The steel base tube 7 closing steel pipe 1 is connected as an entirety by described steel oversleeve pipe 6 and described bindiny mechanism 2, described
Inserts 3 is filled in the filling chamber being made up of the lateral wall in the described receiving chamber 5 of steel oversleeve pipe 6 with described plastic lining composite steel pipe 1
In.Connect above by arranging a set of full anticorrosion including bindiny mechanism 2, inserts 3, joint for plastic tube 4 and steel oversleeve pipe 6
Access node structure, and receiving chamber 5 is set on described steel oversleeve pipe 6.So, to install high temperature, high pressure, strong corrosive medium long
During defeated pipeline, just first connection end at described plastic lining composite steel pipe 1 can expose one section of plastic lining after having divested steel base tube 7
Pipe linkage section 8, processes described steel oversleeve pipe 6 and bindiny mechanism 2 the most respectively, makes adjacent two sections of described linings mould the most again
The inner lining plastic tube linkage section 8 of composite steel tube 1 is tightly connected by described joint for plastic tube 4, makes adjacent two sections of described linings mould
The steel base tube 7 of composite steel tube 1 is connected as an entirety by described steel oversleeve pipe 6 and described bindiny mechanism 2, finally
Inject in the filling chamber being made up of the lateral wall in the described receiving chamber 5 of steel oversleeve pipe 6 with described plastic lining composite steel pipe 1 again and fill
The full anticorrosion of the joint that material 3 solidification can complete described long-distance transport pipes connects.Owing to using the above-mentioned full anticorrosion of the application even
Access node structure, make the long-distance transport pipes anticorrosive coat in joint remain as can the plastics composite bed of deep-etching high temperature resistant, anti-, thus protect
Demonstrate,prove long-distance transport pipes to destroy because of the severe corrosive of transported medium when carrying high temperature, strong corrosive medium；And at this
Full anti-corrosion connecting structure described in application uses steel oversleeve pipe 6 and is being moulded with described lining by the described receiving chamber 5 of steel oversleeve pipe 6
The filling chamber that the lateral wall of composite steel tube 1 is constituted injected inserts 3 and solidifies, both having can ensure that at jointing along conveying side
To tensile strength, can guarantee that again comprcssive strength radially at jointing, thus reach to ensure that feed-line conveying high-pressure is situated between
The conveying intensity of joint during matter.
In above-mentioned embodiment, according to the position at described anti-corrosion connecting structure place, it is i.e. to manufacture on-the-spot or installing existing
The different location of field, being tightly connected between the most described joint for plastic tube 4 and described inner lining plastic tube linkage section 8, this
Application provides bonding connection and thermofussion welding connects two ways.When at the scene of manufacturing, described inner lining plastic tube is connected
When section 8 heating is more convenient, can be in the way of using thermofussion welding connection；When in erecting bed, described inner lining plastic tube being connected
When the section of connecing 8 heats inconvenience, can be in the way of using bonding connection.
Meanwhile, the connection of the steel base tube 7 of lining plastic compound steel 1 the most described herein, simplify described bindiny mechanism 2
Structure, can guarantee that again the tensile strength along conveying side at jointing simultaneously, bindiny mechanism 2 described herein is for including edge
It is circumferentially provided on described plastic lining composite steel pipe 1 and connects installation groove outside the steel base tube 7 of end 9 and to be arranged on this installation recessed
Limited location snap ring 10 in groove 9, is respectively provided with a compression conical surface 11 at the two ends accommodating chamber 5 of described steel oversleeve pipe 6, adjacent
The steel base tube 7 of two sections of described plastic lining composite steel pipes 1, by described steel oversleeve pipe 6, at described installation groove 9, is arranged on
Limited location snap ring 10 and being connected of the described compression conical surface 11 in this installation groove 9 are an entirety；Now, described limit
The structure of position snap ring 10 is preferably the split ring of circular in cross-section.Meanwhile, according to the needs connected, herein described steel oversleeve
The structure of pipe 6 preferably comprises the steel main sleeve pipe 12 of sleeve and the structure of the secondary secondary case pipe 13 of steel sleeve, and at the described steel main sleeve pipe 12 of sleeve
It is each provided with a described compression conical surface 11 respectively with on described steel sleeve secondary case pipe 13, the most just can make by described pressure
The described steel main sleeve pipe 12 of sleeve after the tight conical surface 11 compresses described limited location snap ring 10 respectively passes through to weld with described steel sleeve secondary case pipe 13
Structure is connected as an entirety.Certainly, steel described herein is tucked inside the sleeve and can also be passed through between main sleeve pipe 12 and described steel sleeve secondary case pipe 13
It is threaded to an entirety.
It addition, bindiny mechanism 2 described herein can also connect the steel base of end for being arranged on described plastic lining composite steel pipe 1
The external screw thread of pipe 7 end and the female thread being arranged on described steel oversleeve pipe 6 end, so, adjacent two sections of described lining plastic compound steels
The steel base tube 7 of pipe 1 is connected as an entirety by described steel oversleeve pipe 6 by described external screw thread and described female thread.
Now, described steel oversleeve pipe 6 can be tucked inside the sleeve by steel main sleeve pipe 12 and the steel sleeve structure that constitutes of secondary case pipe 13, it is also possible to is one
Individual overall structure.When adopting an overall structure, when can effectively avoid joint to connect due to welding heat damages inside
Inner lining plastic tube linkage section 8 and joint for plastic tube 4.The external diameter of the most described joint for plastic tube 4 should be not more than steel base
The external diameter of pipe 7.
In above-mentioned embodiment, the heat in order to avoid producing when steel oversleeve pipe 6 welds burns out the inner lining plastic tube linkage section of inner side
8 and joint for plastic tube 4, therefore on described steel oversleeve pipe 6, it is provided with receiving chamber 5, if so do not carried out after completing to connect
Fill, then junction bearing capacity radially can be caused to reduce, fill out to this end, the application just can inject in described filling chamber
Charge.Inserts now can be filled in before steel oversleeve pipe 6 welds, it is also possible to fills in after having welded, the mode preferably selected
For filling in after welding, and the solidification parcel thermal barrier injected preferably by the hand-hole 14 being arranged on described receiving chamber 5.
Claims (7)
1. for a full anti-corrosion connecting structure for plastic lining composite steel pipe, including plastic lining composite steel pipe (1), it is characterised in that:
Described full anti-corrosion connecting structure also includes bindiny mechanism (2), inserts (3), joint for plastic tube (4) and contains receiving chamber (5)
Steel oversleeve pipe (6), the connection end at described plastic lining composite steel pipe (1) has one section of liner having divested steel base tube (7)
Plastic tube linkage section (8), the inner lining plastic tube linkage section (8) of adjacent two sections of described plastic lining composite steel pipes (1) is by described
Joint for plastic tube (4) is tightly connected, and the steel base tube (7) of adjacent two sections of described plastic lining composite steel pipes (1) is by described steel
Oversleeve pipe (6) and described bindiny mechanism (2) are connected as an entirety, and described inserts (3) is filled in by steel oversleeve pipe
(6) in the filling chamber that the lateral wall of described receiving chamber (5) and described plastic lining composite steel pipe (1) is constituted.
Full anti-corrosion connecting structure for plastic lining composite steel pipe the most according to claim 1, it is characterised in that mould described in:
The two ends of material pipe joint (4) are bonding with the end of the inner lining plastic tube linkage section (8) of respective side plastic lining composite steel pipe (1) respectively
Connect or thermofussion welding connects.
Full anti-corrosion connecting structure for plastic lining composite steel pipe the most according to claim 1, it is characterised in that: described
Bindiny mechanism (2) includes that the installation being circumferentially disposed at steel base tube (7) outside that plastic lining composite steel pipe (1) connects end is recessed
Groove (9) and the limited location snap ring (10) being arranged in this installation groove (9), in the receiving chamber (5) of described steel oversleeve pipe (6)
Two ends be respectively provided with a compression conical surface (11)；The steel base tube (7) of adjacent two sections of described plastic lining composite steel pipes (1) passes through
Described steel oversleeve pipe (6) is at described installation groove (9), the limited location snap ring (10) that is arranged in this installation groove (9)
And it is connected as an entirety under the cooperation of the described compression conical surface (11).
Full anti-corrosion connecting structure for plastic lining composite steel pipe the most according to claim 3, it is characterised in that: described
Limited location snap ring (10) is the split ring of circular in cross-section.
5. according to the full anti-corrosion connecting structure for plastic lining composite steel pipe described in claim 3 or 4, it is characterised in that: institute
Steel oversleeve pipe (6) stated includes the steel main sleeve pipe of sleeve (12) and steel sleeve secondary case pipe (13), at the described steel main sleeve pipe of sleeve (12)
A described compression conical surface (11) it is each provided with respectively, by the described compression conical surface (11) with on described steel sleeve secondary case pipe (13)
Compress the main sleeve pipe of the sleeve of the described steel after described limited location snap ring (10) (12) respectively with described steel sleeve secondary case pipe (13) by welding
Structure is connected as an entirety.
Full anti-corrosion connecting structure for plastic lining composite steel pipe the most according to claim 1, it is characterised in that: described
Bindiny mechanism (2) is the external screw thread of steel base tube (7) end being arranged on plastic lining composite steel pipe (1) connection end and is arranged on
The female thread of described steel oversleeve pipe (6) end, the steel base tube (7) of adjacent two sections of described plastic lining composite steel pipes (1) is by described
Steel oversleeve pipe (6) be connected as an entirety by described external screw thread and described female thread.
Full anti-corrosion connecting structure for plastic lining composite steel pipe the most according to claim 1, it is characterised in that: described
Inserts (3) is the solidification parcel thermal barrier injected by the hand-hole (14) being arranged on described receiving chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429362.7U CN205606065U (en) | 2016-05-12 | 2016-05-12 | A complete anticorrosive connection structure for serving as a contrast mould compound steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429362.7U CN205606065U (en) | 2016-05-12 | 2016-05-12 | A complete anticorrosive connection structure for serving as a contrast mould compound steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205606065U true CN205606065U (en) | 2016-09-28 |
Family
ID=56966064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620429362.7U Active CN205606065U (en) | 2016-05-12 | 2016-05-12 | A complete anticorrosive connection structure for serving as a contrast mould compound steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061930A (en) * | 2017-05-15 | 2017-08-18 | 东莞市点石塑胶有限公司 | Connection method between the macromolecule modified polyvinyl chloride lining anti-corrosion film of reinforced concrete sewer pipe |
| CN112610782A (en) * | 2020-12-18 | 2021-04-06 | 广州市华粤管业有限公司 | Full-corrosion-resistant connecting structure for bacteriostatic lining plastic composite steel pipe and construction method thereof |
| CN113300293A (en) * | 2021-05-14 | 2021-08-24 | 陈扬仕 | MPP cable pipe convenient to butt fusion installation |
-
2016
- 2016-05-12 CN CN201620429362.7U patent/CN205606065U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061930A (en) * | 2017-05-15 | 2017-08-18 | 东莞市点石塑胶有限公司 | Connection method between the macromolecule modified polyvinyl chloride lining anti-corrosion film of reinforced concrete sewer pipe |
| CN112610782A (en) * | 2020-12-18 | 2021-04-06 | 广州市华粤管业有限公司 | Full-corrosion-resistant connecting structure for bacteriostatic lining plastic composite steel pipe and construction method thereof |
| CN113300293A (en) * | 2021-05-14 | 2021-08-24 | 陈扬仕 | MPP cable pipe convenient to butt fusion installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170704 Address after: Jinyuan Industrial Avenue, Dayi County town of 611330 in Sichuan province Chengdu City 2 No. 1 Patentee after: CHENGDU BEIGEN PIPELINE TECHNOLOGY CO.,LTD. Address before: Jinyuan Industrial Avenue, Dayi County town of 611330 Sichuan city of Chengdu Province, two Patentee before: CHENGDU BEGIN PIPELINE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee after: Chengdu Common Steel and Plastic Products Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU BEIGEN PIPELINE TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230426 Address after: No. 139, Xiangyang Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee after: Chengdu joint pipe manufacturing Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: Chengdu Common Steel and Plastic Products Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240506 Address after: No. 1-2, Section 1, Xueshan Avenue, Qingxia Street, Dayi County, Chengdu City, Sichuan Province, 610000 Patentee after: Chengdu Beixing Pipe Industry Co.,Ltd. Country or region after: China Address before: No. 139, Xiangyang Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee before: Chengdu joint pipe manufacturing Co.,Ltd. Country or region before: China |