CN206054972U - PVC module high ring rigidity spiral winding pipe - Google Patents
PVC module high ring rigidity spiral winding pipe Download PDFInfo
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- CN206054972U CN206054972U CN201621090609.3U CN201621090609U CN206054972U CN 206054972 U CN206054972 U CN 206054972U CN 201621090609 U CN201621090609 U CN 201621090609U CN 206054972 U CN206054972 U CN 206054972U
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- 238000004804 winding Methods 0.000 title claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims abstract description 101
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000012781 shape memory material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
This utility model is claimed a kind of PVC module high ring rigidity spiral winding pipe，Including the pipeline being integrated by the first shape of peripheral frame and the winding of the second shape of peripheral frame，First shape of peripheral frame is pipeline outer-layer，Second shape of peripheral frame is pipeline lining，Hang between its described first shape of peripheral frame and the second shape of peripheral frame or be inlaid with several ring stiffness reinforcing modules，The ring stiffness reinforcing module has cooperate fixed groove and boss，The groove and boss are when the second shape of peripheral frame is rotated clockwise or counter-clockwise together with automatic fastening，First shape of peripheral frame、Second shape of peripheral frame and ring stiffness reinforcing module are grouped together into ring stiffness enhancement layer，Wherein each ring stiffness reinforcing module is sector，The ring stiffness enhancement layer is annulus，The ring stiffness enhancement layer is wound large diameter pipeline by wrapping machine spiral is tangent.This device ring stiffness is especially high, resist displacement is good, reduce production cost, convenient transportation can realize produced on-site.
Description
Technical field
This utility model is related to PVC profile coiled tubing technology field, and in particular to a kind of ring stiffness is especially high, resist displacement
Well, production cost, convenient transportation are reduced and the PVC module high ring rigidity winding pipe of produced on-site can be realized.
Background technology
At present, can be sharp in a large number in the urban infrastructure such as blowdown, agricultural irrigation, diversion, communication and building in city
Use bigbore pipeline, and ring stiffness this technical specification of prior art Large diameter pipeline is even more important.It is existing big
Caliber pipe great majority increase modulus in the form of multi-lay winding using between section bar and section bar, and multi-lay winding reaches
To the effect of 1+1=2, i.e., 2 are laminated 2 times of the ring stiffness after adding less than original ring stiffness, the physical dimension between section bar and section bar
Increase, improve the ring stiffness of pipeline, but as technique is unstable, between original enhancing pier, have distance, body wall thickness increases
Nor highly desirable, some employing steel bands improve the ring stiffness of pipeline with plastic winding to ring stiffness, but it is easy to avoid metal
The characteristic of corrosion, and during plastics-production, have small breakage also to corrode the sewage of steel band, particularly buried pipeline
The Environmental causing corrosion of high pollution greatly, easily makes steel band corrosion cause to collapse very harmful, and present people are to meet short
Phase improves ring stiffness, but does not account for the life-span of long-term pipeline, it is therefore desirable to provides one kind and had not only improved the life-span but also had very high
The pipeline of ring stiffness, also metal is different with the retractable property of plastics, therefore large diameter pipeline market high ring rigidity is always
The technical barrier of plumbing installations, and current extruding machine cannot also produce so bigbore one-shot forming plastic conduit.
The present inventor invention Chinese patent announce ZL001330209, PCT, Chinese patent ZL20048004459.6 and
Big mouth winding pipe and its winding method CN 104534188A, solve the production of large diameter pipeline, using multilamellar heaping die
The ring stiffness that amount increases and Research on Structural Modulus increases to improve pipeline, but the heavy caliber ring stiffness of the method production also only has 3-4KN/
M3, high cost and heaviness, with increase of the market to high ring rigidity demand, original pipeline must just improve firm to improve ring
Degree.
The content of the invention
This utility model aims to solve the problem that above problem of the prior art.Propose that a kind of ring stiffness is especially high, resist displacement is good,
Reduce production cost, convenient transportation and the PVC module high ring rigidity spiral winding pipe of produced on-site can be realized.This utility model
Technical scheme it is as follows：
A kind of PVC module high ring rigidity spiral winding pipe, including by the first shape of peripheral frame and the second shape of peripheral frame spiral
The pipeline that is integrated of winding, the first shape of peripheral frame is pipeline outer-layer, and the second shape of peripheral frame is pipeline lining, its described first frame
Several ring stiffness reinforcing modules, the ring stiffness reinforcing module tool are hung or are inlaid between section bar and the second shape of peripheral frame
Have cooperate fixed groove and boss, the groove and boss the first shape of peripheral frame, the second shape of peripheral frame clockwise or
During person's rotate counterclockwise, together, first shape of peripheral frame, the second shape of peripheral frame and ring stiffness reinforcing module melt automatic fastening
It is combined to form ring stiffness enhancement layer, wherein each ring stiffness reinforcing module is sector, the ring stiffness enhancement layer is annulus,
The ring stiffness enhancement layer is wound large diameter pipeline by wrapping machine spiral is tangent.
Further, number n of the ring stiffness reinforcing module, it is known that each fan-shaped arc length positionL,Then radian is according to tool
The external diameter R and internal diameter r of body pipeline and preset, each fan-shaped thickness be R-r, n=l/ R, several sector combination and
360 degree of annulus is formed, the ring stiffness reinforcing module is solid or carries cavity.
Further, the ring stiffness reinforcing module adopts anticorrosion class nonmetallic materials.
Further, the first shape of peripheral frame mixes polymer shape memory material, when being formed by wrapping machine spiral winding
After large diameter pipeline, when wrapping machine is heated to the first shape of peripheral frame of pipeline so that the first shape of peripheral frame shrinks, and strengthens ring stiffness
Module shrinks banding.
Further, first shape of peripheral frame includes cooperating the first contract tenon button and the second contract of spiral winding engaging
Tongue-and-groove, second shape of peripheral frame include cooperating the 3rd contract tenon button and the 4th contract tongue-and-groove of spiral winding engaging.
Further, first shape of peripheral frame is also including the first hook and the second hook, the ring stiffness reinforcing module
Also include that gain, first hook and the second hook are respectively positioned on above gain, second shape of peripheral frame includes the 3rd hook
With the 4th hook, below gain, the 4th hook is below gain so that ring stiffness reinforcing module is whole for the 3rd hook
Vacantly arrange or inlay arrangement together.
Further, the first contract tenon button, the second contract tongue-and-groove, the 3rd contract tenon button and the 4th contract tongue-and-groove are with hook
L-type groove, the first hook and the second hook are coordinated with the L-type groove with ditch respectively.
Further, it is disorderly arranged when second shape of peripheral frame rotates clockwise or counter-clockwise 180 degree, exceed
Ordered arrangement during 180 degree, groove and boss automatic fastening.
A kind of production method of PVC module high ring rigidity spiral winding pipe, which comprises the following steps：
A section bar expanding device is newly increased by multifunction spiral pipe winding machine first, is made by section bar expanding device
Two shape of peripheral frame expand hook distance, by pneumatic propelling unit obtain ring stiffness reinforcing module into the second shape of peripheral frame it is hanging or
Person inlays, and one piece one piece of fan-shaped ring stiffness reinforcing module is added in shape of peripheral frame, then counterclockwise or dextrorotation
After turning, first pair of compression roller of wrapping machine is prepared to enter into, now the first shape of peripheral frame is below the embedded gain of enlarging, described
Gain is located at the lower section of the second shape of peripheral frame and ring stiffness reinforcing module, the first shape of peripheral frame and the second shape of peripheral frame and ring stiffness
Reinforcing module is combined into one, and winds through screw machine, then compresses roller, by guide pad, guide ring along helical trajectory
Rise, tangent winding so that the first shape of peripheral frame and the second shape of peripheral frame are entrenched togather, boss and groove automatic fastening are compressed
Together, large diameter pipeline is formed, now wrapping machine air port is heated and the first shape of peripheral frame is shunk, again overall fastening the
One shape of peripheral frame, the second shape of peripheral frame and ring stiffness reinforcing module.
Advantage of the present utility model and have the beneficial effect that：
This utility model innovative point is that original reinforcement pier structure is improved to several ring stiffness reinforcing modules, described
Ring stiffness reinforcing module automatic fastening when the first shape of peripheral frame, the second shape of peripheral frame turn clockwise forms ring stiffness together
Enhancement layer, such setting can greatly reinforce ring stiffness, and wherein each ring stiffness reinforcing module is sector, and the ring stiffness increases
Strong layer is annulus, and the first shape of peripheral frame mixes shrinkable material, when outside is heated to the first shape of peripheral frame so that the first frame
Section bar shrinks.Such sector structure arranges ' set bucket ' pattern imitated in agriculture, by by piecemeal sector
Ring stiffness reinforcing module is added in shape of peripheral frame, and when the first shape of peripheral frame is heated so that the first shape of peripheral frame shrinks hoop
Tightly, and the second shape of peripheral frame does not have a shrink-down material, first shape of peripheral frame includes cooperating the first of spiral winding engaging
Contract tongue-and-groove and the second contract tongue-and-groove, such structure preferably strengthen ring stiffness.
Description of the drawings
Fig. 1 is that this utility model provides preferred embodiment PVC module high intensity winding pipe profile；
Fig. 2 does not add ring stiffness to strengthen mould when being the first shape of peripheral frame of this utility model and the rotation engaging of the second shape of peripheral frame
The schematic diagram of block；
Fig. 3 adds ring stiffness when being the first shape of peripheral frame of this utility model and the rotation engaging of the second shape of peripheral frame and strengthens mould
The schematic diagram of block；
Connection diagrams of the Fig. 4 for ring stiffness reinforcing module；
Fig. 5 is sectional view when several ring stiffness reinforcing modules link together;
Fig. 6 is the ring stiffness reinforcing module schematic diagram with gain；
Fig. 7 show the schematic diagram that this device forms large diameter pipeline.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
It is clear, describe in detail.Described embodiment is only a part of embodiment of the present utility model.
The technical solution of the utility model is as follows：
This device mainly employs ' hoop bucket ' pattern for having imitated Chinese tradition, and its principle is annulus uniform force, ring
Rigidity is high, and our innovative point is that annulus is become one piece one piece of sector, by by one piece one piece of fan-shaped ring stiffness reinforcement
Module is added in shape of peripheral frame, is combined into annular, higher than original overall annulus ring stiffness；And original technology is that do not have
Overall annulus is put into wherein by method, and has no idea to be changed into the pipeline of endless, then fanlike die block is rotated by 90 ° is put into
Make fanlike die block hanging in one block of section bar, module becomes regular from random after rotation 180 degree（This is the work due to gravity
With）, placing into second block of section bar and be formed as an entirety, spiral is tangent, forms PVC module high ring rigidity pipeline；By this
The multifunction spiral pipe winding machine of patent applicant's utility model newly increases a section bar expanding device, by section bar expanding device
Make the second shape of peripheral frame 2 expand hook distance, ring stiffness reinforcing module is obtained into the second shape of peripheral frame 2 by pneumatic propelling unit
It is hanging or inlay, then counterclockwise or after turning clockwise, first pair of compression roller of wrapping machine is prepared to enter into, after compression
Below the embedded gain 4 of enlarging, the gain 4 is located at the second shape of peripheral frame 2 and ring stiffness reinforcing module to first shape of peripheral frame 1
Lower section, the first shape of peripheral frame 1 and the second shape of peripheral frame 2 and ring stiffness reinforcing module are combined into one, and twine through screw machine
Around tangent winding so that the first shape of peripheral frame 1 and the second shape of peripheral frame 2 are entrenched togather, boss and groove automatic fastening are one
Rise, form large diameter pipeline, now wrapping machine heats and the first shape of peripheral frame 1 is shunk, further such that pipeline banding, improves
Ring stiffness.
Innovative point is by ring stiffness transmission power very well, to be divided into several fan-shaped annulus；By section bar 1 and section bar 2,
Fanlike die block is hanging so that irregular alignment becomes well-regulated arrangement when rotating over 180 degree；By multi-functional wrapping machine
Vibrations cause module array it is tightr, now just can smoothly be added to second layer section bar, by wrapping machine rotate compress roller,
Guide pad, guide ring spiral contract tenon button and contract tongue-and-groove are compressed and are fastened, now pipeline ability molding, further through heater air-out
Mouth causes the first shape of peripheral frame of outer ring to receive hot compression, fastens pipeline.
Fig. 1-Fig. 7 be a kind of PVC module high intensity winding pipe, a kind of PVC module high ring rigidity spiral winding pipe, bag
The pipeline being integrated by the first shape of peripheral frame 1 and 2 spiral winding of the second shape of peripheral frame is included, the first shape of peripheral frame 1 is pipeline outer-layer,
Second shape of peripheral frame 2 is pipeline lining, if hanging or being inlaid between first shape of peripheral frame 1 and the second shape of peripheral frame 2
Dry ring stiffness reinforcing module 3, the ring stiffness reinforcing module 3 have cooperate fixed groove and boss, the groove
It is with boss when the first shape of peripheral frame 1, the second shape of peripheral frame 2 are rotated clockwise or counter-clockwise together with automatic fastening, described
First shape of peripheral frame 1, the second shape of peripheral frame 2 and ring stiffness reinforcing module 3 are merged to form ring stiffness enhancement layer, wherein
Each ring stiffness reinforcing module is sector, and the ring stiffness enhancement layer is annulus, and the ring stiffness enhancement layer is by wrapping machine spiral shell
Rotation is tangent to be wound large diameter pipeline.
Preferably, number n of the ring stiffness reinforcing module, it is known that each fan-shaped arc length positionL,Then radian is according to concrete
The external diameter R and internal diameter r of pipeline and preset, each fan-shaped thickness be R-r, n=l/ R, several sectors are combined and shape
Into 360 degree of annulus, the ring stiffness reinforcing module is solid or carries cavity.
Preferably, the ring stiffness reinforcing module adopts anticorrosion class nonmetallic materials.
Preferably, the first shape of peripheral frame 1 mixes polymer shape memory material, when being formed greatly by wrapping machine spiral winding
After caliber pipe, when wrapping machine is heated to the first shape of peripheral frame of pipeline 1 so that the first shape of peripheral frame 1 shrinks, and strengthens ring stiffness
Module 3 shrinks banding.
Preferably, first shape of peripheral frame 1 includes cooperating the first contract tenon button 1-1 and second of spiral winding engaging
Contract tongue-and-groove 1-2, second shape of peripheral frame 2 include cooperating the 3rd contract tenon button 2-1 and the 4th contract tenon of spiral winding engaging
Groove 2-2.
Preferably, first shape of peripheral frame 1 also including the first hook 1-3 and the second hook 1-4, strengthen by the ring stiffness
Module 3 also includes that gain 5, the first hook 1-3 and the second hook 1-4 are respectively positioned on above gain 5, second shape of peripheral frame
2 include that the 3rd hook 2-3 and the 4th hook 2-4, the 3rd hook 2-3 are located at below gain 5, and the 4th hook 2-4 is located at waist
Below groove 5 so that ring stiffness reinforcing module 3 is neatly vacantly arranged or inlays arrangement.
Preferably, the first contract tenon button 1-1, the second contract tongue-and-groove 1-2, the 3rd contract tenon button 2-1 and the 4th contract tongue-and-groove 2-2 are equal
It is the L-type groove with hook, the first hook 1-3 and the second hook 1-4 are coordinated with the L-type groove with ditch respectively.
A kind of production method of PVC module high ring rigidity spiral winding pipe, which comprises the following steps：
Pass through first（Applicant's application, the patent of invention of application number position 02133755.1）Multifunction spiral pipe is twined
A section bar expanding device is newly increased around machine, makes the second shape of peripheral frame expand hook distance by section bar expanding device, by gas
It is hanging into the second shape of peripheral frame or inlay that dynamic propulsion plant obtains ring stiffness reinforcing module, by one piece one piece of fan-shaped ring stiffness
Reinforcing module is added in shape of peripheral frame, then counterclockwise or after turning clockwise, is prepared to enter into the first couple pressure of wrapping machine
Tight roller, now below the embedded gain of enlarging, the gain is located at the second shape of peripheral frame and ring stiffness to the first shape of peripheral frame
The lower section of reinforcing module, the first shape of peripheral frame and the second shape of peripheral frame and ring stiffness reinforcing module are combined into one, and through spiral shell
Rotation machine winds, then compresses roller, is risen along helical trajectory by guide pad, guide ring, tangent winding so that the first frame type
Material and the second shape of peripheral frame are entrenched togather, and boss and groove automatic fastening are pressed together, and form large diameter pipeline, now twine
Heat around machine air port and the first shape of peripheral frame is shunk, again the first shape of peripheral frame of overall fastening, the second shape of peripheral frame and ring
Rigidity reinforcing module.
Through experiment, the ring stiffness of this device can reach 10-20KN/ square metre, improve-five times of twice.
The above embodiment is interpreted as being merely to illustrate this utility model rather than limits guarantor of the present utility model
Shield scope.After the content for having read record of the present utility model, technical staff can make various changes to this utility model
Or change, these equivalence changes and modification equally fall into this utility model claim limited range.
Claims (8)
1. a kind of PVC module high ring rigidity spiral winding pipe, including by the first shape of peripheral frame (1) and the second shape of peripheral frame (2)
The pipeline that spiral winding is integrated, the first shape of peripheral frame (1) are pipeline outer-layer, and the second shape of peripheral frame (2) is pipeline lining, and which is special
Levy and be, several ring stiffness are hung or be inlaid between first shape of peripheral frame (1) and the second shape of peripheral frame (2) and is strengthened
Module (3), with fixed groove and the boss of cooperating, the groove and boss are for the ring stiffness reinforcing module (3)
When two shape of peripheral frame (2) are rotated clockwise or counter-clockwise automatic fastening together, first shape of peripheral frame (1), the second side
Frame section (2) and ring stiffness reinforcing module (3) are grouped together into ring stiffness enhancement layer, wherein each ring stiffness reinforcing module
For sector, the section of the ring stiffness enhancement layer is annulus, and the ring stiffness enhancement layer is by the tangent winding shape of wrapping machine spiral
Into large diameter pipeline.
2. PVC module high ring rigidity spiral winding pipe according to claim 1, it is characterised in that the ring stiffness adds
Number n of strong module, it is known that each fan-shaped arc length positionL,Then radian is set in advance according to the external diameter R and internal diameter r of concrete pipeline
Fixed, each fan-shaped thickness is R-r, n=l/ R, several sectors are combined and the annulus of 360 degree of formation, and the ring stiffness adds
Strong module is solid or carries cavity.
3. PVC module high ring rigidity spiral winding pipe according to claim 2, it is characterised in that the ring stiffness adds
Strong module adopts anticorrosion class nonmetallic materials.
4. the PVC module high ring rigidity spiral winding pipe according to claim 1 or 2 or 3, it is characterised in that the first side
Frame section (1) mixes polymer shape memory material, and after large diameter pipeline is formed by wrapping machine spiral winding, wrapping machine is given
When the first shape of peripheral frame of pipeline (1) is heated so that the first shape of peripheral frame (1) shrinks, ring stiffness reinforcing module (3) shrinks banding.
5. PVC module high ring rigidity spiral winding pipe according to claim 4, it is characterised in that first frame
First contract tenon button (1-1) and second contract tongue-and-groove (1-2) of the section bar (1) including the spiral winding engaging that cooperates, second side
Threeth contract tenon button (2-1) and fourth contract tongue-and-groove (2-2) of the frame section (2) including the spiral winding engaging that cooperates.
6. PVC module high ring rigidity spiral winding pipe according to claim 5, it is characterised in that first frame
Also including the first hook (1-3) and the second hook (1-4), the ring stiffness reinforcing module (3) also includes gain (5) to section bar (1),
First hook (1-3) and the second hook (1-4) are respectively positioned on above gain (5), and second shape of peripheral frame (2) includes the 3rd
Hook (2-3) and the 4th hook (2-4), below gain (5), the 4th hook (2-4) is positioned at waist for the 3rd hook (2-3)
Below groove (5) so that ring stiffness reinforcing module (3) is vacantly arranged or inlays arrangement.
7. PVC module high ring rigidity spiral winding pipe according to claim 6, it is characterised in that the first contract tenon
Button (1-1), the second contract tongue-and-groove (1-2), the 3rd contract tenon button (2-1) and the 4th contract tongue-and-groove (2-2) are the L-type groove with hook, the
One hook (1-3) and the second hook (1-4) are coordinated with the L-type groove with ditch respectively.
8. PVC module high ring rigidity spiral winding pipe according to claim 1, it is characterised in that when second side
Frame section (2) rotate clockwise or counter-clockwise it is disorderly arranged during 180 degree, more than ordered arrangement during 180 degree, groove and boss from
Dynamic engaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090609.3U CN206054972U (en) | 2016-09-29 | 2016-09-29 | PVC module high ring rigidity spiral winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090609.3U CN206054972U (en) | 2016-09-29 | 2016-09-29 | PVC module high ring rigidity spiral winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054972U true CN206054972U (en) | 2017-03-29 |
Family
ID=58366392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090609.3U Withdrawn - After Issue CN206054972U (en) | 2016-09-29 | 2016-09-29 | PVC module high ring rigidity spiral winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439266A (en) * | 2016-09-29 | 2017-02-22 | 陈仪清 | PVC modular high-ring stiffness spiral winding pipe and production method thereof |
| CN112161120A (en) * | 2019-06-16 | 2021-01-01 | 白灵毅 | UPVC double-plastic lining reinforced winding pipe and production process thereof |
-
2016
- 2016-09-29 CN CN201621090609.3U patent/CN206054972U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439266A (en) * | 2016-09-29 | 2017-02-22 | 陈仪清 | PVC modular high-ring stiffness spiral winding pipe and production method thereof |
| CN106439266B (en) * | 2016-09-29 | 2018-09-18 | 重庆里程管业有限公司 | PVC module high ring rigidity spiral winding pipe and its production method |
| CN112161120A (en) * | 2019-06-16 | 2021-01-01 | 白灵毅 | UPVC double-plastic lining reinforced winding pipe and production process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170818 Address after: 400020 7, building 5, 2-2 Chengdong Ring Road, Jiangbei District, Chongqing Patentee after: Chongqing mileage Pipe Co., Ltd. Address before: 400020 Jiangbei District, Chongqing to build a new North Road, No., unit 8, 21-4 Co-patentee before: Huang Pei Patentee before: Chen Yiqing |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180918 |
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| AV01 | Patent right actively abandoned |