CN209781971U - Red copper clamp pressing type connecting pipe fitting - Google Patents
Red copper clamp pressing type connecting pipe fitting Download PDFInfo
- Publication number
- CN209781971U CN209781971U CN201920504548.8U CN201920504548U CN209781971U CN 209781971 U CN209781971 U CN 209781971U CN 201920504548 U CN201920504548 U CN 201920504548U CN 209781971 U CN209781971 U CN 209781971U
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- pipe fitting
- connecting pipe
- ring
- wall
- sleeve
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Abstract
The utility model discloses a red copper card press type connecting pipe fitting, which relates to the technical field of pipe fittings and comprises a first connecting pipe fitting and a rotary connecting ring, wherein one end of the first connecting pipe fitting is provided with a connecting sleeve, one end of the connecting sleeve far away from the first connecting pipe fitting is inserted with a second connecting pipe fitting, the inner wall of the connecting sleeve is positioned between the first connecting pipe fitting and the second connecting pipe fitting and is bonded with a water stop sealing ring, an extension reinforcing plate is added on the outer wall of the pipe fitting, the overlapping thickness of two sections of connecting pipe fittings is increased, the connection stability is improved, the problems of the existing card press type metal pipe fitting and poor tensile strength are effectively solved, an anti-seismic strong spring pulls the two sections of pipe fittings to one side close to each other through the extension reinforcing plate and the anti-seismic clamping block, the stable connection of the pipe fittings is ensured, the phenomenon of water seepage caused by looseness of the installed pipe fitting is avoided, and the practicability is better.
Description
Technical Field
The utility model relates to a pipe fitting technical field, concretely relates to red copper card pressure formula connection pipe fitting.
Background
The pipe fitting is a general name of parts playing roles of connection, control, turning, diversion, sealing, support and the like in a pipeline system, steel pipe fittings are all pressure-bearing pipe fittings and are divided into four categories according to different processing technologies, namely butt welding pipe fittings (including welding seams and non-welding seams), socket welding, threaded pipe fittings and flange pipe fittings, press type pipe fittings have the characteristics of reliable and safe connection, convenient and fast construction, suitability for embedded installation, maintenance-free updating, relatively superior economy and the like, a red copper pipe fitting belongs to one type of pipe fitting, when the press type pipe fitting of the pipe fitting is installed, a thin-wall pipe is inserted into a socket of the press type pipe fitting, then the pipe is clamped and fixed in the pipe fitting by using a special clamping and pressing tool, the section of the clamping and pressing position is hexagonal, and an O-shaped ring seal is arranged between the pipe fitting and the pipe fitting, so that the pipe fitting has the characteristics of leakage prevention, pulling resistance, vibration resistance, high pressure resistance and the like, and the existing press type pipe, the mode is not only poor in clamping and pressing effect, but also inconvenient to operate and time-wasting, and the double-clamping and pressing type pipe fitting with the application number of CN201820314157.5 stainless steel pipe fitting is not high in connection stability and strength, easy to separate and poor in sealing treatment effect.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the red copper clamping and pressing type connecting pipe fitting is provided, the problems that the stability and the strength of the connection of comparison files are not high, the separation is easy, the sealing treatment effect is not good are solved, and the purpose of stable connection is achieved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a red copper card pressure type connecting pipe fitting, which comprises a first connecting pipe fitting and a rotary connecting ring, wherein one end of the first connecting pipe fitting is provided with a connecting sleeve, one end of the connecting sleeve, which is far away from the first connecting pipe fitting, is inserted with a second connecting pipe fitting, the shapes of the first connecting pipe fitting and the second connecting pipe fitting are the same, the inner wall of the connecting sleeve is positioned between the first connecting pipe fitting and the second connecting pipe fitting and is bonded with a water stop sealing ring, one side of the outer wall of the second connecting pipe fitting, which is close to the first connecting pipe fitting, is provided with a limiting outer ring, one side of the outer wall of the second connecting pipe fitting, which is positioned at the limiting outer ring and is far away from the first connecting pipe fitting, is provided with a rotary erection ring, the side wall of the rotary erection ring is provided with an extending reinforcing plate, one end of the extending reinforcing plate, which is far away from, the outer wall of the connecting sleeve is provided with a penetrating side groove matched with the extending reinforcing plate and the abutting clamping block, one side of the rotary erection ring close to the connecting sleeve is clamped with a strong spring, and one end of the strong spring, far away from the rotary erection ring, is in sliding contact with the side wall of the limited outer ring.
Further, adapter sleeve's inner wall is provided with the stagnant water sealing ring, the quantity of stagnant water sealing ring is three, and three stagnant water sealing ring equidistance distributes in adapter sleeve's inner wall, the thickness of stagnant water sealing ring is greater than adapter sleeve and the second and is connected the gap width between the pipe fitting.
Furthermore, one side, away from the connecting sleeve, of the water stopping sealing ring installed on the inner wall of the connecting sleeve is arc-shaped, and the outer wall of the second connecting pipe is provided with a sealing groove matched with the water stopping sealing ring.
Furthermore, one end of the strong spring, which is far away from the rotating erection ring, is provided with a rotating connection ring, and the rotating connection ring is sleeved on the outer wall of the second connection pipe fitting.
Furthermore, a telescopic insertion rod is inserted into the strong spring, one end of the telescopic insertion rod is fixedly connected with the side wall of the rotary connecting ring, and the other end of the telescopic insertion rod penetrates through the rotary erecting ring and extends to the outside of the rotary erecting ring.
Furthermore, the outer wall of the second connecting pipe fitting is provided with a limiting inner ring, and the limiting inner ring is positioned on one side, far away from the limiting outer ring, of the rotating erection ring.
Furthermore, the outer wall of the extension reinforcing plate is provided with a cambered surface rubber sleeve, and the outer wall of the cambered surface rubber sleeve is provided with a rough surface.
Further, the inner wall of the water stop sealing ring is provided with an excessive inclined plane, and two sides of the excessive inclined plane are respectively contacted with the inner walls of the second connecting pipe fitting and the connecting sleeve.
furthermore, one side of the water stop sealing ring, which is close to the second connecting pipe fitting, is connected with a wear-resistant layer.
Furthermore, the side wall of the abutting-pressing fixture block is clamped with an embedded type clamping plate, and the side wall of the connecting sleeve is provided with a connecting clamping groove matched with the embedded type clamping plate.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) This red copper card pressure formula connection pipe fitting has increased the extension gusset plate at the outer wall of pipe fitting, has increased two sections overlapping thickness of connecting the pipe fitting, has improved the stability of connecting, has solved current card pressure formula metal pipe fitting antidetonation, the poor problem of tensile strength effectively.
2) This red copper card pressure formula connection pipe fitting, powerful spring through extend the gusset plate with support and press the fixture block with two sections pipe fittings to the one side pulling that is close to each other, guaranteed the stable connection of pipe fitting, the not hard up infiltration phenomenon that produces of pipe fitting of avoiding the installation, the practicality is better.
3) This red copper card pressure formula connection pipe fitting, the gomphosis of stagnant water sealing ring and seal groove has increased area of contact when the pipe fitting is connected, leakproofness when having improved the pipe fitting installation, and both ends shutoff is realized to the inside of pipe fitting to stagnant water sealing ring and stagnant water sealing washer, has avoided the poor problem of leakproofness.
Drawings
Fig. 1 is an internal schematic view of the first connecting pipe fitting and the connecting sleeve of the present invention.
Fig. 2 is an external view of the present invention.
Fig. 3 is an enlarged view of a in fig. 1.
Fig. 4 is an enlarged view of B in fig. 1.
In the figure: the anti-abrasion anti.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, a red copper clamp-press type connecting pipe fitting includes a first connecting pipe fitting 1 and a rotary connecting ring 12, a connecting sleeve 2 is disposed at one end of the first connecting pipe fitting 1, the first connecting pipe fitting 1 and the connecting sleeve 2 are connected by welding, the first connecting pipe fitting 1 is communicated with the inside of the connecting sleeve 2, a second connecting pipe fitting 20 is inserted into one end of the connecting sleeve 2 away from the first connecting pipe fitting 1, the first connecting pipe fitting 1 and the second connecting pipe fitting 20 have the same shape, the first connecting pipe fitting 1 and the second connecting pipe fitting 20 are two sections of the same connecting pipe fitting, for convenience of description, the inner wall of the connecting sleeve 2 and the space between the first connecting pipe fitting 1 and the second connecting pipe fitting 20 are bonded with a water-stop sealing ring 3, the water-stop sealing ring 3 is generally made of rubber material, and can block the gap between the connecting sleeve 2 and the second connecting pipe fitting 20, the sealing performance is improved, a limiting outer ring 5 is arranged on one side, close to the first connecting pipe fitting 1, of the outer wall of the second connecting pipe fitting 20, the limiting outer ring 5 is clamped on the outer wall of the second connecting pipe fitting 20 and cannot rotate, a rotating erection ring 6 is arranged on one side, away from the first connecting pipe fitting 1, of the outer wall of the second connecting pipe fitting 20, the rotating erection ring 6 is sleeved on the outer wall of the second connecting pipe fitting 20 and can rotate, an extending reinforcing plate 7 is arranged on the side wall of the rotating erection ring 6, the extending reinforcing plate 7 and the rotating erection ring 6 are both made of stainless steel, the mutual connection mode is welding, one end, away from the rotating erection ring 6, of the extending reinforcing plate 7 extends to the outer wall of the first connecting pipe fitting 1, a pressing fixture block 8 is arranged on the inner wall of the extending reinforcing plate 7, the pressing fixture block 8 is made of stainless steel, the pressing fixture block 8 is welded with the extending reinforcing plate 7, an inserting side groove 18 matched with the extending reinforcing plate 7 and the pressing, the abutting and pressing fixture block 8 can extend to one side of the connecting sleeve 2 far away from the second connecting pipe fitting 20 through the inserting side groove 18, the strong spring 11 is clamped at one side of the rotary erection ring 6 close to the connecting sleeve 2, one end of the strong spring 11 far away from the rotary erection ring 6 is in sliding contact with the side wall of the limited outer ring 5, the rotary erection ring 6 is moved to compress the strong spring 11, the extending reinforcing plate 7 and the abutting and pressing fixture block 8 extend to one side of the connecting sleeve 2 far away from the second connecting pipe fitting 20 through the inserting side groove 18 to abut against, the rotary erection ring 6 pushes the rotary erection ring 6 to one side far away from the connecting sleeve 2 under the rebounding action of the strong spring 11, the connecting sleeve 2 is pulled to the direction of the second connecting sleeve 20, the connection of the first connecting pipe fitting 1 and the second connecting pipe fitting 20 is more stable, and the overlapping area of the first connecting pipe fitting 1 and the second connecting pipe fitting 20 is increased by the, the stability of connection is improved, and the performances of tension resistance, compression resistance and fracture resistance are obviously improved.
wherein, adapter sleeve 2's inner wall is provided with stagnant water sealing ring 16, 16 joints of stagnant water sealing ring are in adapter sleeve 2's inner wall, stagnant water sealing ring 16's quantity is three, and 16 equidistance distributions of three stagnant water sealing ring in adapter sleeve 2's inner wall, stagnant water sealing ring 16's thickness is greater than the clearance width between adapter sleeve 2 and the second connection pipe fitting 20, stagnant water sealing ring 16's material is rubber, stagnant water sealing ring 16 is with adapter sleeve 2 and the second connection pipe fitting 20 between the gap jam, the leakproofness that first connection pipe fitting 1 and second connection pipe fitting 20 are connected has further been improved.
Wherein, one side that connecting sleeve 2 was kept away from to the stagnant water sealing ring 16 of connecting sleeve 2 inner wall installation is circular-arcly, the outer wall that pipe fitting 20 was connected to the second is seted up with the seal groove 17 of 16 looks adaptations of stagnant water sealing ring, stagnant water sealing ring 16 extends to the inside of seal groove 17, the area of contact that pipe fitting 20 was connected to stagnant water sealing ring 16 and second has been increased, improve the leakproofness, 16 inner walls of stagnant water sealing ring are circular-arcly simultaneously, make things convenient for stagnant water sealing ring 16 to slide at the outer wall that pipe fitting 20 was connected to the second, reduce frictional force, reduce wearing.
Wherein, the one end that the strong spring 11 kept away from rotatory ring 6 of setting up is provided with swivel joint ring 12, and the tip of strong spring 11 inserts swivel joint ring 12's lateral wall and rather than the joint, and swivel joint ring 12 cover is located the outer wall of second connecting pipe 20.
Wherein, the inside of powerful spring 11 has inserted flexible inserted bar 13, the lateral wall fixed connection of the one end of flexible inserted bar 13 and rotatory go-between 12, the other end of flexible inserted bar 13 runs through rotatory ring 6 and extends to its outside, and flexible inserted bar 13 is flexible in the inside of rotatory ring 6, has injectd the motion orbit of rotatory go-between 12 and rotatory ring 6, stabilizes the flexible of powerful spring 11, and it is crooked when avoiding powerful spring 11 to stretch out and draw back.
Wherein the outer wall of the second connecting tube piece 20 is provided with a limiting inner ring 15, the limiting inner ring 15 is welded with the second connecting tube piece 20, and the limiting inner ring 15 is located on the side of the rotating mounting ring 6 remote from the limiting outer ring 5.
Wherein, the outer wall of extending gusset plate 7 is provided with cambered surface rubber sleeve 14, and cambered surface rubber sleeve 14 is for bonding with the connected mode of extending gusset plate 7, and cambered surface rubber sleeve 14's outer wall is opened and is established to the matte, and cambered surface rubber sleeve 14 has increased the external friction who extends gusset plate 7, conveniently controls it.
Wherein, the one side that stagnant water sealing washer 3 is close to second and connects pipe fitting 20 is connected with wearing layer 19, avoids stagnant water sealing washer 3 to use for a long time and receives the friction loss of second connection pipe fitting 20.
Wherein, excessive inclined plane 4 has been seted up to the inner wall of stagnant water sealing washer 3, and the both sides of excessive inclined plane 4 respectively with the second be connected pipe fitting 20 and adapter sleeve 2's inner wall contact, excessive inclined plane 4 has reduced the loss when rivers pass through first connection pipe fitting 1 and second and connect pipe fitting 20, improves smooth and easy nature, erodes the coupling part when avoiding rivers to flow and influences sealedly.
Wherein, the lateral wall joint that supports and press fixture block 8 has embedded cardboard 9, and connecting groove 10 with embedded cardboard 9 looks adaptation is seted up to the lateral wall of adapter sleeve 2, and embedded cardboard 9 inserts the inside of connecting groove 10, makes to support and press fixture block 8 to fix at the lateral wall of adapter sleeve 2 more stably.
The working principle is as follows:
When the connecting device is used, the second connecting pipe fitting 20 is inserted into the connecting sleeve 2, the rotating erection ring 6 is moved to compress the strong spring 11, the telescopic inserted rod 13 is telescopic in the rotating erection ring 6, the motion tracks of the rotating connecting ring 12 and the rotating erection ring 6 are limited, the telescopic of the strong spring 11 is stabilized, the extending reinforcing plate 7 and the abutting fixture block 8 are extended to one side of the connecting sleeve 2 far away from the second connecting pipe fitting 20 through the inserting side groove 18 to abut against, the embedded fixture plate 9 is inserted into the connecting fixture groove 10 to be fixed, the operation is simple and convenient, the rotating erection ring 6 pushes the rotating erection ring 6 to one side far away from the connecting sleeve 2 under the rebounding action of the strong spring 11, the connecting sleeve 2 is pulled towards the second connecting sleeve 20, so that the connection between the first connecting pipe fitting 1 and the second connecting pipe fitting 20 is more stable, and the overlapping area of the first connecting pipe fitting 1 and the second connecting pipe fitting 20 is increased by the extending reinforcing plate 7, the stability of connection has been improved, the gap jam between the pipe fitting 20 is connected with adapter sleeve 2 and second to stagnant water sealing ring 16, the leakproofness that first connecting pipe fitting 1 is connected pipe fitting 20 with the second is further improved, stagnant water sealing ring 16 extends to the inside of seal groove 17, the area of contact of stagnant water sealing ring 16 and second connection pipe fitting 20 has been increased, the leakproofness is improved, 16 inner walls of stagnant water sealing ring are circular-arcly simultaneously, make things convenient for stagnant water sealing ring 16 to slide at the outer wall of second connection pipe fitting 20, and the frictional force is reduced.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. The red copper clamp-press type connecting pipe fitting is characterized by comprising a first connecting pipe fitting (1) and a rotary connecting ring (12), wherein a connecting sleeve (2) is arranged at one end of the first connecting pipe fitting (1), a second connecting pipe fitting (20) is inserted into one end, far away from the first connecting pipe fitting (1), of the connecting sleeve (2), the first connecting pipe fitting (1) and the second connecting pipe fitting (20) are identical in shape, a water-stop sealing ring (3) is bonded between the first connecting pipe fitting (1) and the second connecting pipe fitting (20) and positioned on the inner wall of the connecting sleeve (2), a limiting outer ring (5) is arranged on one side, close to the first connecting pipe fitting (1), of the outer wall of the second connecting pipe fitting (20), a rotary erecting ring (6) is arranged on one side, far away from the first connecting pipe fitting (1), of the limiting outer ring (5), the lateral wall of rotatory ring (6) of erectting is provided with extends gusset plate (7), the one end that the rotatory ring (6) of erectting was kept away from in extension gusset plate (7) extends to the outer wall of first connecting tube spare (1) and its inner wall is provided with and supports and presses fixture block (8), alternate side channel (18) with extending gusset plate (7) and supporting and pressing fixture block (8) looks adaptation are seted up to the outer wall of connecting sleeve (2), one side joint that rotatory ring (6) of erectting is close to connecting sleeve (2) is equipped with powerful spring (11), and powerful spring (11) keep away from the one end of rotatory ring (6) of erectting and the lateral wall sliding contact of injecing outer loop (5).
2. The copper card pressing type connecting pipe fitting of claim 1, wherein: the inner wall of adapter sleeve (2) is provided with stagnant water sealing ring (16), the quantity of stagnant water sealing ring (16) is three, and three stagnant water sealing ring (16) equidistance distributes in the inner wall of adapter sleeve (2), the thickness of stagnant water sealing ring (16) is greater than the clearance width between adapter sleeve (2) and second connection pipe fitting (20).
3. The copper card pressing type connecting pipe fitting of claim 1 or 2, characterized in that: one side of the water stop sealing ring (16) installed on the inner wall of the connecting sleeve (2) far away from the connecting sleeve (2) is arc-shaped, and a sealing groove (17) matched with the water stop sealing ring (16) is formed in the outer wall of the second connecting pipe fitting (20).
4. The copper card pressing type connecting pipe fitting of claim 1, wherein: one end, far away from the rotating erection ring (6), of the strong spring (11) is provided with a rotating connection ring (12), and the outer wall of the second connection pipe fitting (20) is sleeved with the rotating connection ring (12).
5. The copper card pressing type connecting pipe fitting of claim 1 or 4, wherein: the inside of powerful spring (11) is inserted and is had flexible inserted bar (13), the lateral wall fixed connection of the one end of flexible inserted bar (13) and rotatory go-between (12), the other end of flexible inserted bar (13) runs through rotatory frame ring (6) and extends to its outside.
6. The copper card pressing type connecting pipe fitting of claim 1, wherein: the outer wall of the second connecting pipe (20) is provided with a limiting inner ring (15), and the limiting inner ring (15) is positioned on one side of the rotating erection ring (6) far away from the limiting outer ring (5).
7. The copper card pressing type connecting pipe fitting of claim 1, wherein: the outer wall of the extension reinforcing plate (7) is provided with an arc rubber sleeve (14), and the outer wall of the arc rubber sleeve (14) is provided with a rough surface.
8. The copper card pressing type connecting pipe fitting of claim 1, wherein: excessive inclined plane (4) have been seted up to the inner wall of stagnant water sealing washer (3), and the both sides of excessive inclined plane (4) contact with the inner wall of second connecting pipe fitting (20) and connecting sleeve (2) respectively.
9. The copper card pressing type connecting pipe fitting of claim 1, wherein: one side of the water stop sealing ring (3) close to the second connecting pipe fitting (20) is connected with a wear-resistant layer (19).
10. The copper card pressing type connecting pipe fitting of claim 1, wherein: the side wall of the abutting clamping block (8) is clamped with an embedded clamping plate (9), and the side wall of the connecting sleeve (2) is provided with a connecting clamping groove (10) matched with the embedded clamping plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504548.8U CN209781971U (en) | 2019-04-15 | 2019-04-15 | Red copper clamp pressing type connecting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504548.8U CN209781971U (en) | 2019-04-15 | 2019-04-15 | Red copper clamp pressing type connecting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781971U true CN209781971U (en) | 2019-12-13 |
Family
ID=68802636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920504548.8U Expired - Fee Related CN209781971U (en) | 2019-04-15 | 2019-04-15 | Red copper clamp pressing type connecting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781971U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911730A (en) * | 2020-08-13 | 2020-11-10 | 苗蓓 | Self-sealing connecting kit for stainless steel clamping-pressing type pipe fitting |
| CN112228640A (en) * | 2020-11-03 | 2021-01-15 | 赵晓庆 | Sealing joint convenient to install for hydraulic pipe |
| CN114542843A (en) * | 2022-02-25 | 2022-05-27 | 兰州新生科技有限责任公司 | Resistance-free balance type corrugated compensator with external pressure type corrugated compensation |
| CN115853868A (en) * | 2023-03-03 | 2023-03-28 | 四川雍景承平置地有限公司 | Clamping type fastening connection device and basement anti-floating system |
-
2019
- 2019-04-15 CN CN201920504548.8U patent/CN209781971U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911730A (en) * | 2020-08-13 | 2020-11-10 | 苗蓓 | Self-sealing connecting kit for stainless steel clamping-pressing type pipe fitting |
| CN112228640A (en) * | 2020-11-03 | 2021-01-15 | 赵晓庆 | Sealing joint convenient to install for hydraulic pipe |
| CN114542843A (en) * | 2022-02-25 | 2022-05-27 | 兰州新生科技有限责任公司 | Resistance-free balance type corrugated compensator with external pressure type corrugated compensation |
| CN114542843B (en) * | 2022-02-25 | 2023-11-10 | 兰州新生科技有限责任公司 | Non-resistance balance type ripple compensator with external pressure type ripple compensation |
| CN115853868A (en) * | 2023-03-03 | 2023-03-28 | 四川雍景承平置地有限公司 | Clamping type fastening connection device and basement anti-floating system |
| CN115853868B (en) * | 2023-03-03 | 2023-05-02 | 四川雍景承平置地有限公司 | Clamping type fastening connection device and basement anti-floating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 511340 No.1, private East Yiheng, private industrial park, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province (factory C2) Patentee after: GUANGDONG SHOULONG PIPELINE TECHNOLOGY Co.,Ltd. Address before: Fuwan Industrial Zone, Gaoming District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHOULONG PIPELINE TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |