CN111623175A - PVC tubular product convenient to install - Google Patents
PVC tubular product convenient to install Download PDFInfo
- Publication number
- CN111623175A CN111623175A CN202010525830.1A CN202010525830A CN111623175A CN 111623175 A CN111623175 A CN 111623175A CN 202010525830 A CN202010525830 A CN 202010525830A CN 111623175 A CN111623175 A CN 111623175A
- Authority
- CN
- China
- Prior art keywords
- annular
- connecting ring
- air cavity
- block
- install
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract 3
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 15
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a PVC (polyvinyl chloride) pipe convenient to install, which comprises a pipe body, wherein one side of the pipe body is fixedly connected with a first connecting ring, the other side of the pipe body is fixedly connected with a second connecting ring matched with the first connecting ring, an annular sliding groove is formed in the first connecting ring, an annular air cavity is formed in the first connecting ring and is positioned on the left side of the annular sliding groove, an extrusion triggering mechanism is arranged in the annular sliding groove, two vertical grooves are symmetrically formed in the first connecting ring, the notches of the two vertical grooves are communicated with the annular sliding groove, clamping mechanisms are arranged in the two vertical grooves, an annular mounting groove is formed in the first connecting ring and is positioned on the outer side of the annular sliding groove, and a sealing mechanism is arranged in the annular mounting groove and the annular air cavity together. This PVC tubular product is dismantled the installation through the buckle, and it is all very convenient to dismantle and install, and can trigger the inflation gasbag when installing and expand, and the pipeline has better seal when guaranteeing to use.
Description
Technical Field
The invention relates to the field of pipe installation, in particular to a PVC pipe convenient to install.
Background
PVC is a material with the main component of polyvinyl chloride and other components added to enhance the heat resistance, toughness and ductility of the PVC, the uppermost layer of the surface film is paint, the middle main component is polyvinyl chloride, and the lowermost layer is a back coating adhesive, so that the PVC pipe has the following problems in the use process of the existing PVC pipe:
1. the installation of the tubular product generally adopts flange connection, the flange connection mode needs to be screwed when in installation and disassembly, and the use is troublesome;
2. although some pipes which are quickly installed in a buckling mode exist in the market at present, the tightness of the pipes cannot be guaranteed in the using process of the buckling installation mode.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a PVC pipe convenient to mount.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a simple to operate's PVC tubular product, includes the body, the first connecting ring of one side fixedly connected with of body, the opposite side fixedly connected with and first connecting ring matched with second go-between of body, be equipped with annular spout in the first connecting ring, be equipped with annular air cavity in the first connecting ring, annular air cavity is located the left side of annular spout, be equipped with extrusion trigger mechanism in the annular spout, the symmetry is equipped with two perpendicular grooves, two in the first connecting ring the notch in perpendicular groove all communicates with annular spout, two it all is equipped with latch mechanism to erect the inslot, be equipped with annular mounting groove in the first connecting ring, annular mounting groove is located the outside of annular spout, annular mounting groove and annular air cavity are equipped with airtight mechanism jointly.
Preferably, latch mechanism sets up the slider at erecting the inslot, slider and the inner wall sliding connection who erects the groove, the second connecting spring is led to in the upper end of slider and one side inner wall elastic connection who erects the groove, the lower extreme fixedly connected with stop pin of slider, the upper end fixedly connected with pull rod of slider, the one end that the slider was kept away from to the pull rod extends to the external world, the outside symmetry of second go-between is equipped with two spacing grooves, two the spacing groove cooperatees with two stop pins respectively.
Preferably, the part of the pull rod, which is located outside, is sleeved with a layer of non-slip mat, and the non-slip mat is made of rubber.
Preferably, the extrusion trigger mechanism comprises an annular extrusion block arranged in the annular sliding groove, and the annular extrusion block is in sliding connection with the inner wall of the annular sliding groove.
Preferably, airtight mechanism is including setting up the annular piston piece in annular air cavity, the inner wall sliding connection of annular piston piece and annular air cavity, annular piston piece is through two connecting rods and annular extrusion piece fixed connection, the annular piston piece is kept away from the inner wall elastic connection of annular spout through a plurality of first connecting springs with annular air cavity, install annular inflation gasbag in the annular mounting groove, annular inflation gasbag is located annular piston piece left side part space intercommunication through connecting wind channel and annular air cavity, the outside of second go-between is seted up with annular inflation gasbag complex enclosed groove.
Preferably, the annular extrusion block has an annular width that is the same as an annular width of the secondary connecting ring.
Compared with the prior art, the invention has the beneficial effects that:
1. when the connection of pipeline is carried out to needs, only need with the second go-between department of a pipeline insert the first go-between department of another pipeline can, according to the drawing for the example, when the second go-between inserts in the first go-between, can make annular extrusion piece move to the left, when removing spacing nail and the spacing groove contact that corresponds, receive second coupling spring's elastic action, spacing nail can block into in the spacing groove, carry on spacingly to the pipeline, accomplish the installation of pipeline, it is very convenient to install.
2. In the process of this installation, the left side of annular extrusion piece moves can drive annular piston piece through the connecting rod and move left, extrudees annular inflation gasbag with the gas of annular air cavity in, and the inflation takes place for annular inflation gasbag this moment, and airtight groove can be filled up to the gasbag after the inflation for the pipeline is in an inclosed state, can trigger the inflation gasbag when installing and expand, guarantees that the pipeline has better seal when using.
3. When the dismantlement of pipeline is carried out to needs, these need pull two pull rod interfaces, the extraction of two pull rods can make the spacing nail leave the spacing groove that corresponds, receive the elastic action of a plurality of first springs this moment, annular piston piece can move to the right, then drive annular extrusion piece through the connecting rod and move to the right, annular extrusion piece again supports the second go-between that corresponds and moves to the right, annular extrusion piece this moment can resume the normal position, loosen two pull rods this moment, take out the pipeline that needs to pull down can.
Drawings
FIG. 1 is a schematic structural view of a PVC pipe provided by the present invention, which is convenient to install;
FIG. 2 is a view showing a state of connection of pipes;
fig. 3 is an enlarged view of fig. 2 at a.
In the figure: 1 second connecting ring, 2 spacing grooves, 3 closed grooves, 4 pipe bodies, 5 first connecting rings, 6 annular sliding grooves, 7 annular air cavities, 8 first connecting springs, 9 annular piston blocks, 10 connecting rods, 11 annular extrusion blocks, 12 connecting air ducts, 13 annular mounting grooves, 14 annular expansion air bags, 15 pull rods, 16 vertical grooves, 17 sliding blocks, 18 second connecting springs and 19 spacing nails.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a simple to operate's PVC tubular product, including body 4, the first go-between of one side fixedly connected with 5 of body 4, the opposite side fixedly connected with of body 4 and first go-between 5 matched with second go-between 1, be equipped with annular spout 6 in 5 of first go-between, be equipped with annular air cavity 7 in 5 of first go-between, annular air cavity 7 is located the left side of annular spout 6, be equipped with extrusion trigger mechanism in the annular spout 6, the symmetry is equipped with two vertical grooves 16 in 5 of first go-between, the notch of two vertical grooves 16 all communicates with annular spout 6, all be equipped with latch mechanism in two vertical grooves 16, be equipped with annular mounting groove 13 in 5 of first go-between, annular mounting groove 13 is located the outside of annular spout 6, be equipped with airtight mechanism jointly in annular mounting groove 13 and the annular air cavity 7.
Wherein, clamping mechanism sets up slider 17 in erecting groove 16, slider 17 and the inner wall sliding connection who erects groove 16, second coupling spring 18 and the one side inner wall elastic connection who erects groove 16 are led to the upper end of slider 17, the lower extreme fixedly connected with stop pin 19 of slider 17, the upper end fixedly connected with pull rod 15 of slider 17, the one end that slider 17 was kept away from to pull rod 15 extends to the external world, the outside symmetry of second go-between 1 is equipped with two spacing grooves 2, two spacing grooves 2 cooperate with two stop pin 19 respectively.
Wherein, the part of the pull rod 15 located outside is sleeved with a layer of non-slip mat, and the non-slip mat is made of rubber material, so as to facilitate the pulling of the pull rod 15.
Wherein, extrusion trigger mechanism is including setting up annular extrusion piece 11 in annular spout 6, and annular extrusion piece 11 and the inner wall sliding connection of annular spout 6.
Wherein, airtight mechanism is including setting up annular piston block 9 in annular air cavity 7, the inner wall sliding connection of annular piston block 9 and annular air cavity 7, annular piston block 9 is through two connecting rods 10 and annular extrusion piece 11 fixed connection, annular piston block 9 keeps away from annular spout 6 one side through the inner wall elastic connection of a plurality of first connecting spring 8 with annular air cavity 7, install annular inflation gasbag 14 in the annular mounting groove 13, annular inflation gasbag 14 is located annular piston block 9 left side partial space intercommunication through connecting wind channel 12 and annular air cavity 7, airtight groove 3 with annular inflation gasbag 14 complex is seted up in the outside of second go-between 1.
Wherein, the ring width of the annular extrusion block 11 is the same as that of the second connecting ring 1, so that the operation of the whole scheme is ensured.
In the present invention, during the use, the initial state is shown in fig. 2, at this time, the annular pressing block 11 just blocks the notch of the vertical groove 16, at this time, the second connecting spring 18 is in the compressed state, and at this time, the annular expanding air bag 14 is also in an uninflated state;
when the pipelines need to be connected, only the second connecting ring 1 of one pipeline needs to be inserted into the first connecting ring 5 of the other pipeline, according to the example shown in fig. 2, when the second connecting ring 1 is inserted into the first connecting ring 5, the annular extrusion block 11 is moved to the left, and when the limiting nail 19 is moved to be in contact with the corresponding limiting groove 2, the limiting nail 19 is clamped into the limiting groove 2 under the elastic action of the second connecting spring 18, so that the pipelines are limited, and the installation of the pipelines is completed;
in the installation process, the left movement of the annular extrusion block 11 drives the annular piston block 9 to move left through the connecting rod 10, so that the gas in the annular gas cavity 7 is extruded into the annular expansion gas bag 14, the annular expansion gas bag 14 expands at the moment, and the expanded gas bag fills the closed groove 3, so that the pipeline is in a closed state;
when the dismantlement of pipeline is carried out to needs, these need pull two pull rod 15 interfaces, two pull rod 15 extract can make stop pin 19 leave corresponding spacing groove 2, receive a plurality of first coupling spring 8's elastic action this moment, annular piston piece 9 can move to the right, then drive annular extrusion piece 11 through connecting rod 10 and move to the right, annular extrusion piece 11 supports again that the first connecting ring 5 that corresponds moves to the right, annular extrusion piece 11 at this moment can resume the normal position again, loosen two pull rod 15 this moment, it can to take out the pipeline that needs to pull down.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a simple to operate's PVC tubular product which characterized in that includes:
a pipe body (4), wherein one side of the pipe body (4) is fixedly connected with a first connecting ring (5), the other side of the pipe body (4) is fixedly connected with a second connecting ring (1) matched with the first connecting ring (5), an annular chute (6) is arranged in the first connecting ring (5), an annular air cavity (7) is arranged in the first connecting ring (5), the annular air cavity (7) is positioned on the left side of the annular chute (6), an extrusion trigger mechanism is arranged in the annular chute (6), two vertical grooves (16) are symmetrically arranged in the first connecting ring (5), the notches of the two vertical grooves (16) are communicated with the annular chute (6), clamping mechanisms are arranged in the two vertical grooves (16), an annular mounting groove (13) is arranged in the first connecting ring (5), and the annular mounting groove (13) is positioned on the outer side of the annular chute (6), and a sealing mechanism is arranged in the annular mounting groove (13) and the annular air cavity (7) together.
2. The PVC pipe convenient to install according to claim 1, characterized in that the clamping mechanism is provided with a sliding block (17) in the vertical groove (16), the sliding block (17) is connected with the inner wall of the vertical groove (16) in a sliding manner, the upper end of the sliding block (17) is connected with the inner wall of one side of the vertical groove (16) through a second connecting spring (18) in an elastic manner, the lower end of the sliding block (17) is fixedly connected with a limit nail (19), the upper end of the sliding block (17) is fixedly connected with a pull rod (15), one end of the pull rod (15) far away from the sliding block (17) extends to the outside, two limit grooves (2) are symmetrically arranged on the outer side of the second connecting ring (1), and the two limit grooves (2) are respectively matched with the two limit nails (19).
3. The PVC pipe convenient to install according to claim 2, wherein a layer of non-slip mat is sleeved on the external part of the pull rod (15), and the non-slip mat is made of rubber.
4. An easy-to-install PVC pipe according to claim 1, wherein the extrusion trigger mechanism comprises an annular extrusion block (11) arranged in the annular chute (6), and the annular extrusion block (11) is connected with the inner wall of the annular chute (6) in a sliding manner.
5. An easy to install PVC pipe according to claim 4, the sealing mechanism comprises an annular piston block (9) arranged in an annular air cavity (7), the annular piston block (9) is connected with the inner wall of the annular air cavity (7) in a sliding way, the annular piston block (9) is fixedly connected with an annular extrusion block (11) through two connecting rods (10), one side of the annular piston block (9) far away from the annular chute (6) is elastically connected with the inner wall of the annular air cavity (7) through a plurality of first connecting springs (8), an annular expansion air bag (14) is arranged in the annular mounting groove (13), the annular expansion air bag (14) is communicated with the space of the left side part of the annular piston block (9) of the annular air cavity (7) through a connecting air duct (12), and a closed groove (3) matched with the annular expansion air bag (14) is formed in the outer side of the second connecting ring (1).
6. An easy to install PVC pipe according to claim 4, characterized in that the annular extrusion block (11) has the same annular width as the second connection ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525830.1A CN111623175B (en) | 2020-06-10 | 2020-06-10 | PVC tubular product convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525830.1A CN111623175B (en) | 2020-06-10 | 2020-06-10 | PVC tubular product convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111623175A true CN111623175A (en) | 2020-09-04 |
| CN111623175B CN111623175B (en) | 2021-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010525830.1A Active CN111623175B (en) | 2020-06-10 | 2020-06-10 | PVC tubular product convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623175B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229950A (en) * | 2020-09-29 | 2021-01-15 | 广西梦科智联信息技术有限公司 | Formula that flows car detection device |
| CN112524382A (en) * | 2020-11-23 | 2021-03-19 | 安徽德顺管业有限公司 | Polyethylene winding pipe connecting device with telescopic limiting mechanism |
| CN112984259A (en) * | 2021-02-20 | 2021-06-18 | 唐福华 | Combined detachable PVC pipe |
| CN113294607A (en) * | 2021-04-26 | 2021-08-24 | 宝钛华神钛业有限公司 | Titanium sponge passageway pipeline interfacing apparatus that gas tightness is good |
| CN113982297A (en) * | 2021-12-02 | 2022-01-28 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protective net installation method |
| CN114110285A (en) * | 2021-12-06 | 2022-03-01 | 临沂三威精密铸造有限公司 | Novel single-clamping-pressing type four-way pipe fitting of carbon steel |
| CN114110344A (en) * | 2021-11-30 | 2022-03-01 | 南通安邦信息技术有限公司 | Screen display application connecting device |
| CN115059667A (en) * | 2022-08-19 | 2022-09-16 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
| CN116857439A (en) * | 2023-08-23 | 2023-10-10 | 山东博大管业有限公司 | Detection lag with quick connection function for PE pipeline construction |
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| NZ525528A (en) * | 2002-05-20 | 2003-09-26 | Illinois Tool Works | Air bag inflation/deflation system |
| CN101730813A (en) * | 2007-07-10 | 2010-06-09 | Kwh管道公司 | With the method for multilayer tubing ground connection and the pipeline that comprises multilayer tubing |
| DE102013015628A1 (en) * | 2013-09-19 | 2015-03-19 | Global Safety Textiles Gmbh | Connecting arrangement and a method for producing a connection arrangement |
| CN104670698A (en) * | 2013-12-02 | 2015-06-03 | 圣戈班穆松桥 | Positioning assembly and related method |
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| CN208535397U (en) * | 2018-06-21 | 2019-02-22 | 江苏万邦达环保科技有限公司 | A kind of aeration tube joint assembly for sewage treatment decoration |
| CN208951479U (en) * | 2018-10-18 | 2019-06-07 | 张掖市宏达建材有限责任公司 | A kind of pvc pipe convenient for splicing |
| CN209762517U (en) * | 2019-03-22 | 2019-12-10 | 广州市诚利建设工程有限公司 | Building pipeline reinforcing structure |
| CN210424066U (en) * | 2019-07-24 | 2020-04-28 | 天津海门建材有限公司 | Novel lock joint installation nature insulating tube |
-
2020
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ525528A (en) * | 2002-05-20 | 2003-09-26 | Illinois Tool Works | Air bag inflation/deflation system |
| CN101730813A (en) * | 2007-07-10 | 2010-06-09 | Kwh管道公司 | With the method for multilayer tubing ground connection and the pipeline that comprises multilayer tubing |
| DE102013015628A1 (en) * | 2013-09-19 | 2015-03-19 | Global Safety Textiles Gmbh | Connecting arrangement and a method for producing a connection arrangement |
| CN104670698A (en) * | 2013-12-02 | 2015-06-03 | 圣戈班穆松桥 | Positioning assembly and related method |
| CN204533904U (en) * | 2015-03-13 | 2015-08-05 | 罗勇 | Long-distance Transmission Pipeline linkage structure |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229950A (en) * | 2020-09-29 | 2021-01-15 | 广西梦科智联信息技术有限公司 | Formula that flows car detection device |
| CN112524382A (en) * | 2020-11-23 | 2021-03-19 | 安徽德顺管业有限公司 | Polyethylene winding pipe connecting device with telescopic limiting mechanism |
| CN112524382B (en) * | 2020-11-23 | 2024-04-30 | 山东腾远建材科技股份有限公司 | Polyethylene winding pipe connecting device with telescopic limiting mechanism |
| CN112984259A (en) * | 2021-02-20 | 2021-06-18 | 唐福华 | Combined detachable PVC pipe |
| CN113294607B (en) * | 2021-04-26 | 2022-12-09 | 宝钛华神钛业有限公司 | Titanium sponge passageway pipeline interfacing apparatus that gas tightness is good |
| CN113294607A (en) * | 2021-04-26 | 2021-08-24 | 宝钛华神钛业有限公司 | Titanium sponge passageway pipeline interfacing apparatus that gas tightness is good |
| CN114110344A (en) * | 2021-11-30 | 2022-03-01 | 南通安邦信息技术有限公司 | Screen display application connecting device |
| CN113982297A (en) * | 2021-12-02 | 2022-01-28 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protective net installation method |
| CN113982297B (en) * | 2021-12-02 | 2023-03-14 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protection net installation method |
| CN114110285A (en) * | 2021-12-06 | 2022-03-01 | 临沂三威精密铸造有限公司 | Novel single-clamping-pressing type four-way pipe fitting of carbon steel |
| CN114110285B (en) * | 2021-12-06 | 2024-01-19 | 临沂三威精密铸造有限公司 | Carbon steel single-clamping-pressure type four-way pipe fitting |
| CN115059667A (en) * | 2022-08-19 | 2022-09-16 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
| CN115059667B (en) * | 2022-08-19 | 2022-11-08 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
| CN116857439A (en) * | 2023-08-23 | 2023-10-10 | 山东博大管业有限公司 | Detection lag with quick connection function for PE pipeline construction |
| CN116857439B (en) * | 2023-08-23 | 2024-01-05 | 山东博大管业有限公司 | Detection lag with quick connection function for PE pipeline construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111623175B (en) | 2021-10-12 |
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Effective date of registration: 20210918 Address after: No.269, Sanlian East Road, Jiangnan Town, Tonglu County, Hangzhou City, Zhejiang Province 310000 Applicant after: HANGZHOU ETONE PLASTIC INDUSTRY Co.,Ltd. Address before: 317600 Yucheng street, Yuhuan City, Taizhou, Zhejiang. Applicant before: Hu Zhenfeng |
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