CN109899605A - A kind of PVC hose - Google Patents
A kind of PVC hose Download PDFInfo
- Publication number
- CN109899605A CN109899605A CN201910296521.9A CN201910296521A CN109899605A CN 109899605 A CN109899605 A CN 109899605A CN 201910296521 A CN201910296521 A CN 201910296521A CN 109899605 A CN109899605 A CN 109899605A
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- China
- Prior art keywords
- backplate
- inner tube
- plate
- outer tube
- bent plate
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- 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.)
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Abstract
The invention belongs to pvc pipe technical field, specifically a kind of PVC hose；Including inner and outer tubes, said inner tube outer layer is evenly equipped with multiple first backplates, first backplate is circumferentially positioned in inner tube and is set as multi-turn, the outer tube wall is evenly equipped with multiple second backplates, second backplate is circumferentially positioned on outer tube and is set as multi-turn, and first backplate and the second backplate two sides are provided with auxiliary plate；The present invention passes through setting inner tube, outer tube, the first backplate, the second backplate and auxiliary plate; inner and outer tubes can play the role of double shielding; one when leaking wherein; another can play the role of leak stopping; pass through the deformation of the first backplate and the second backplate simultaneously; the shock resistance of outer tube can be effectively improved; prevent inner tube damaged part breakage from becoming larger; cause whole fracture; and when the first backplate and the second backplate deform; auxiliary plate can play the role of an auxiliary and unload power, enhance the cushion performance of the first backplate and the second backplate.
Description
Technical field
The invention belongs to pvc pipe technical field, specifically a kind of PVC hose.
Background technique
Pvc pipe, that is, hard polvinyl choride pipe, be with Corvic and stabilizer, lubricant etc. after squeezed with pressure sintering
It is molded, it is the plastic pipe being developed and applied earliest.Pvc pipe resistance to corrosion is strong, be easy to be bonded, price is low, quality is hard
Firmly, it but due to having PVC monomer and additive exudation, is only applicable in water supply system of the delivery temperature no more than 45 DEG C.Plastics
Pipeline is for draining, waste water, chemicals, heats liquid and coolant liquid, food, ultrarapture liquid, mud, gas, compressed air and true
Empty systematic difference.
Existing pvc pipe after prolonged use, when there is breakage, easily cause conveying liquid leakage, while by
When to external force, the position of stress becomes flat, impacts to the efficiency of conveying, in consideration of it, the present invention provides one kind
PVC hose reduces the several of liquid leakage mainly by being made into two parts, and by carrying out unloading power between the two sections
Rate, and have the effect of unloading power.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of PVC hoses, mainly pass through inner and outer tubes play it is double
The effect of layer protection, one when leaking wherein, another can play the role of leak stopping, at the same by the first backplate with
The deformation of second backplate can effectively improve the shock resistance of outer tube, and unload power by auxiliary plate, enhance the first backplate and
The cushion performance of second backplate, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of PVC hose, including inner and outer tubes, it is described
Inside tube outer layer is evenly equipped with multiple first backplates, and the first backplate is circumferentially positioned in inner tube and is set as multi-turn, and the outer tube wall is equal
Multiple second backplates are furnished with, the second backplate is circumferentially positioned on outer tube and is set as multi-turn, first backplate and the second backplate two
Side is provided with auxiliary plate；When work, inner and outer tubes can play the role of double shielding, and one when leaking wherein,
Another can play the role of leak stopping, meanwhile, the first backplate and the second backplate are supported inner and outer tubes, outer tube by
To when squeezing, outer tube is deformed to the second backplate recess, until being adjacent to the second backplate, the second backplate is squeezed and squeezes middle part
The first backplate is pressed, the first backplate is squeezed and deformed, by the deformation of the first backplate and the second backplate, outer tube can be effectively improved
Shock resistance, when preventing inner tube from occurring damaged, outer tube causes the damaged change in inner tube by external force and when inwardly squeezing inner tube
Greatly, inner tube complete rupture is ultimately caused, the probability that breakage slowly becomes larger can greatly be reduced, while the auxiliary plate of two sides is to
When deceleration, the first backplate and the second backplate end are played the role of to two side slips in one backplate and the second backplate both ends, auxiliary plate energy
Enough there is an auxiliary and unload power, enhances the cushion performance of the first backplate and the second backplate, and can reduce auxiliary plate end
Destruction to outer tube and inner tube.
Preferably, it is provided through the first bent plate on the first backplate, is provided through the second bent plate on second backplate,
Second bent plate both ends are fixed with guide plate；When the first backplate and larger the second backplate deflection, i.e., both ends are expanded to two sides
When larger, by auxiliary plate to two sides expand, at this time the second bent plate take the lead in deformation and it is close to the first bent plate, close to the first bent plate
When, the first bent plate also deforms under the action of the first backplate that the second backplate is squeezed and deformed, and passes through the guiding of the second bent plate end
The effect of plate, the first bent plate are bent downwardly, and arrive to auxiliary plate surface, auxiliary plate are squeezed and deformed and by it to close to the first backplate
Direction drawing, prevents auxiliary plate from arriving on the auxiliary plate of the first adjacent backplate side, so that this first backplate is arched upward, cause this
The inner and outer tubes spacing at place becomes larger, and in turn results in inner and outer tubes loosening, is conducive to the stability for improving inner and outer tubes, together
When can also prevent two auxiliary plates being in contact after being pushed against to two sides cannot again to two sides be displaced when, middle part mutually push against
Become convex, inner and outer tubes is caused to separate, further increases the stability of inner and outer tubes.
Preferably, it is provided with acceleration capsule between first bent plate and inner tube, accelerates capsule close to the one side of the first bent plate
Middle part is Nian Jie with the first bent plate, accelerates capsule Nian Jie with inner tube close to the one side of inner tube；The second backplate squeeze the first backplate, first
When backplate deformation drives the deformation of the first bent plate, takes the lead in being expressed in the middle part of acceleration capsule, accelerate capsule both ends to bulge, keep the first bent plate quick
Bending, and then Quick bending pulls auxiliary plate to auxiliary plate surface under the action of guide plate, and auxiliary plate one end is prevented to be moved through
Greatly, adjacent the first backplate and the second backplate are influenced.
Preferably, it is connected between first bent plate and the second bent plate by scissor, is connected to the first backplate in the middle part of scissor
On the second backplate, for will be connect in the middle part of the first backplate with the second backplate middle part；Drive the second bent plate to leaning in the second backplate
When the position of nearly first bent plate is mobile, under the action of scissor, scissor is able to drive the under the drive of the second backplate, after opening
One bent plate follows the second bent plate to open, as long as the second backplate presses, the first bent plate and the second bent plate can be moved at the same time, and makes the
One bent plate can reach auxiliary plate surface at the first time, play the role of pulling inwardly to auxiliary plate.
Preferably, multiple space rings are evenly equipped between said inner tube and outer tube, between the first backplate described in two adjacent rings
It is provided with space ring, the space ring is Nian Jie with inner and outer tubes by glue；Inner and outer tubes can be separated by space ring
Multistage, when inner tube has breakage, liquid enters in the gap between inner and outer tubes by inner tube, and space ring can be to entrance
Liquid stopped, reduce the content of liquid entrance, thereby reduce outer tube and inner tube influenced by breakage work when
It is long, it ensure that going on smoothly for work.
Preferably, it is connected close to described auxiliary plate one end and the first backplate of the first backplate and the second backplate and the second backplate,
And the other end is slidably connected far from space ring and with inner tube or outer tube；First backplate and the second backplate and auxiliary plate are connected, and can make
When first backplate and the second backplate are extended to two sides, one end that auxiliary plate and the first backplate and the second backplate are connected can be followed by cunning
It is dynamic, while the other end of auxiliary plate slides when just arriving to space ring after a distance, makes the lengthening distance for unloading power, unloads the effect of power more
It is good.
Technical effect and advantage of the invention:
1. a kind of PVC hose provided by the invention, by the way that inner tube, outer tube, the first backplate, the second backplate and auxiliary plate is arranged,
Inner and outer tubes can play the role of double shielding, and one when leaking wherein, another can play the work of leak stopping
With, while passing through the deformation of the first backplate and the second backplate, the shock resistance of outer tube can be effectively improved, prevents inner tube damaged
Position breakage becomes larger, and causes whole fracture, and when the first backplate and the second backplate deform, auxiliary plate can have an auxiliary to unload
The effect of power enhances the cushion performance of the first backplate and the second backplate, and can reduce auxiliary plate end to outer tube and inner tube
It destroys.
2. a kind of PVC hose provided by the invention, by the first bent plate of setting, the second bent plate and guide plate, when the first shield
When plate and larger the second backplate deflection, the first bent plate also deforms under the action of the first backplate that the second backplate is squeezed and deformed,
By the effect of the guide plate of the second bent plate end, the first bent plate is bent downwardly, and arrives to auxiliary plate surface, and auxiliary plate is squeezed and deformed
And pull it to the direction close to the first backplate, it prevents auxiliary plate from arriving on the auxiliary plate of the first adjacent backplate side, finally makes
This first backplate arches upward, and inner and outer tubes spacing herein is caused to become larger, and in turn results in inner and outer tubes loosening, is conducive to mention
The stability of high inner and outer tubes.
3. a kind of PVC hose provided by the invention, capsule is accelerated by setting, squeezes the first backplate in the second backplate, first
When backplate deformation drives the deformation of the first bent plate, takes the lead in being expressed in the middle part of acceleration capsule, accelerate capsule both ends to bulge, keep the first bent plate quick
Bending, and then Quick bending pulls auxiliary plate to auxiliary plate surface under the action of guide plate, and auxiliary plate one end is prevented to be moved through
Greatly, adjacent the first backplate and the second backplate are influenced.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1 in the present invention；
Fig. 3 is status diagram when the invention works；
Fig. 4 is the portion the B enlarged drawing of Fig. 3 in the present invention；
In figure: inner tube 1, outer tube 2, the first backplate 3, the second backplate 4, auxiliary plate 5, the first bent plate 6, the second bent plate 7, guide plate
8, accelerate capsule 9, scissor 10, space ring 11.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figs 1-4, a kind of PVC hose of the present invention, including inner tube 1 and outer tube 2,1 outer layer of said inner tube are equal
Multiple first backplates 3 are furnished with, the first backplate 3 is circumferentially positioned in inner tube 1 and is set as multi-turn, and 2 inner wall even distribution of outer tube has more
A second backplate 4, the second backplate 4 are circumferentially positioned on outer tube 2 and are set as multi-turn, 4 two sides of first backplate 3 and the second backplate
It is provided with auxiliary plate 5；When work, inner tube 1 and outer tube 2 can play the role of double shielding, and one when leaking wherein,
Another can play the role of leak stopping, meanwhile, the first backplate 3 and the second backplate 4 are supported inner tube 1 and outer tube 2, outside
When pipe 2 is squeezed, outer tube 2 is deformed to 4 recess of the second backplate, until being adjacent to the second backplate 4, the second backplate 4 is squeezed
And middle part is made to squeeze the first backplate 3, and it is squeezed and deformed the first backplate 3, it, can by the deformation of the first backplate 3 and the second backplate 4
The shock resistance for effectively improving outer tube 2, when preventing inner tube 1 from breakage occurs, outer tube 2 is by external force and when inwardly squeezing inner tube 1,
Cause the breakage in inner tube 1 to become larger, ultimately cause 1 complete rupture of inner tube, can greatly reduce breakage slowly become larger it is several
Rate, while the auxiliary plate 5 of two sides plays the role of deceleration, the first backplate 3 and the second shield to the first backplate 3 and 4 both ends of the second backplate
When 4 end of plate is to two side slips, auxiliary plate 5 can play the role of an auxiliary and unload power, enhance the first backplate 3 and the second backplate 4
Cushion performance, and can reduce destruction of auxiliary 5 end of plate to outer tube 2 and inner tube 1,.
It is provided through the first bent plate 6 on first backplate 3, the second bent plate 7 is provided through on second backplate 4, the
Two bent plates, 7 both ends are fixed with guide plate 8；When the first backplate 3 and larger 4 deflection of the second backplate, i.e., both ends are expanded to two sides
When larger, auxiliary plate 5 is expanded to two sides, the second bent plate 7 takes the lead in deformation and close to the first bent plate 6 at this time, to the first song
Plate 6 close to when, the first bent plate 6 also deforms under the action of the first backplate 3 that the second backplate 4 is squeezed and deformed, and passes through the second bent plate 7
The effect of the guide plate 8 of end, the first bent plate 6 are bent downwardly, and arrive to auxiliary 5 surface of plate, by auxiliary plate 5 be squeezed and deformed and by its to
It is pulled close to the direction of the first backplate 3, prevents auxiliary plate 5 from arriving on the auxiliary plate 5 of adjacent 3 side of the first backplate, finally make this
First backplate 3 arches upward, and 2 spacing of inner tube 1 and outer tube herein is caused to become larger, and in turn results in inner tube 1 and outer tube 2 loosens, be conducive to
The stability of inner tube 1 and outer tube 2 is improved, while can also prevent two be in contact auxiliary plates 5 cannot after pushing against to two sides
When being displaced again to two sides, middle part, which mutually pushes against, becomes convex, causes inner tube 1 and outer tube 2 to separate, further increases inner tube 1 and outer tube 2
Stability.
It is provided between first bent plate 6 and inner tube 1 and accelerates capsule 9, accelerate capsule 9 in the one side of the first bent plate 6
Portion is Nian Jie with the first bent plate 6, accelerates capsule 9 Nian Jie with inner tube 1 close to the one side of inner tube 1；The first backplate 3 is squeezed in the second backplate 4,
When the deformation of first backplate 3 drives the deformation of the first bent plate 6, takes the lead in being expressed to 9 middle part of acceleration capsule, accelerate 9 both ends of capsule to bulge, make first
6 Quick bending of bent plate, and then Quick bending pulls auxiliary plate 5, prevents auxiliary to auxiliary 5 surface of plate under the action of guide plate 8
The movement of 5 one end of plate is excessive, influences adjacent the first backplate 3 and the second backplate 4.
It is connected between first bent plate 6 and the second bent plate 7 by scissor 10, the first backplate 3 is connected in the middle part of scissor 10
On the second backplate 4, for by the middle part of the first backplate 3 with connected in the middle part of the second backplate 4；The second bent plate 7 is driven in the second backplate 4
When to close to the movement of the position of the first bent plate 6, under the action of scissor 10, scissor 10 is under the drive of the second backplate 4, after opening
Being able to drive the first bent plate 6 follows the second bent plate 7 to open, as long as the second backplate 4 presses, 7 energy of the first bent plate 6 and the second bent plate
Enough simultaneously operations, enable the first bent plate 6 that can reach auxiliary 5 surface of plate at the first time, play to auxiliary plate 5 and pull inwardly
Effect.
It is evenly equipped with multiple space rings 11 between said inner tube 1 and outer tube 2, is all provided between the first backplate 3 described in two adjacent rings
It is equipped with space ring 11, the space ring 11 is Nian Jie with inner tube 1 and outer tube 2 by glue；Space ring 11 can be by inner tube 1 and outer tube
2 are separated into multistage, and when inner tube 1 has breakage, liquid enters in the gap between inner tube 1 and outer tube 2 by inner tube 1, separate
Circle 11 can stop the liquid of entrance, reduce the content of liquid entrance, thereby reduce outer tube 2 and inner tube 1 by broken
The duration of work is damaged and influenced, ensure that going on smoothly for work.
It is connected close to described auxiliary 5 one end of plate and the first backplate 3 of the first backplate 3 and the second backplate 4 and the second backplate 4, and
The other end is slidably connected far from space ring 11 and with inner tube 1 or outer tube 2；First backplate 3 and the second backplate 4 are connected with auxiliary plate 5, energy
Enough make the first backplate 3 and the second backplate 4 to one end energy that when elongation of two sides, auxiliary plate 5 and the first backplate 3 and the second backplate 4 are connected
Enough it is followed by sliding, while the other end of auxiliary plate 5 slides when just arriving to space ring 11 after a distance, adds the distance for unloading power
Long, the effect for unloading power is more preferable.
When work, inner tube 1 and outer tube 2 can play the role of double shielding, and one when leaking wherein, another
Can play the role of leak stopping, meanwhile, the first backplate 3 and the second backplate 4 are supported inner tube 1 and outer tube 2, outer tube 2 by
To when squeezing, outer tube 2 is deformed to 4 recess of the second backplate, until be adjacent to the second backplate 4, the second backplate 4 is squeezed and makes
Portion squeezes the first backplate 3, is squeezed and deformed the first backplate 3, when the first backplate 3 and larger 4 deflection of the second backplate, i.e. both ends
To two sides expansion it is larger when, by auxiliary plate 5 to two sides expand, at this time the second bent plate 7 take the lead in deformation and it is close to the first bent plate 6,
To the first bent plate 6 close to when, the first bent plate 6 also deforms under the action of the first backplate 3 that the second backplate 4 is squeezed and deformed, and passes through
The effect of the guide plate 8 of second bent plate, 7 end, the first bent plate 6 are bent downwardly, and arrive to auxiliary 5 surface of plate, and auxiliary plate 5 is squeezed and is become
Shape simultaneously pulls it to the direction close to the first backplate 3, prevents auxiliary plate 5 from arriving on the auxiliary plate 5 of adjacent 3 side of the first backplate,
So that this first backplate 3 is arched upward, 2 spacing of inner tube 1 and outer tube herein is caused to become larger, in turn results in 2 pine of inner tube 1 and outer tube
Dynamic, the stability for being conducive to improve inner tube 1 and outer tube 2 can be effectively improved by the deformation of the first backplate 3 and the second backplate 4
The shock resistance of outer tube 2, while the auxiliary plate 5 of two sides plays the role of deceleration to the first backplate 3 and 4 both ends of the second backplate, the
When one backplate 3 and 4 end of the second backplate are to two side slips, auxiliary plate 5 can play the role of an auxiliary and unload power, enhance the first shield
The cushion performance of plate 3 and the second backplate 4, and can reduce destruction of auxiliary 5 end of plate to outer tube 2 and inner tube 1, the first backplate 3 becomes
When shape drives the deformation of the first bent plate 6, takes the lead in being expressed to 9 middle part of acceleration capsule, 9 both ends of capsule is accelerated to bulge, keep the first bent plate 6 quickly curved
Song, and then Quick bending pulls auxiliary plate 5 to auxiliary 5 surface of plate under the action of guide plate 8, prevents auxiliary 5 one end of plate mobile
It is excessive, adjacent the first backplate 3 and the second backplate 4 are influenced, inner tube 1 and outer tube 2 can be separated into multistage by space ring 11, when interior
When pipe 1 has breakage, liquid enters in the gap between inner tube 1 and outer tube 2 by inner tube 1, and space ring 11 can be to entrance
Liquid is stopped, and the content of liquid progress is reduced, thereby reduce outer tube 2 and inner tube 1 influenced by breakage work when
It is long, it ensure that going on smoothly for work, the first backplate 3 and the second backplate 4 are connected with auxiliary plate 5, can make the first backplate 3 and second
When backplate 4 is extended to two sides, one end that auxiliary plate 5 and the first backplate 3 and the second backplate 4 are connected can be followed by sliding, while auxiliary
The other end of plate 5 slides when just arriving to space ring 11 after a distance, makes the lengthening distance for unloading power, the effect for unloading power is more preferable.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of PVC hose, it is characterised in that: including inner tube (1) and outer tube (2), said inner tube (1) outer layer is evenly equipped with multiple
One backplate (3), the first backplate (3) are circumferentially positioned on inner tube (1) and are set as multi-turn, and outer tube (2) inner wall even distribution has multiple
Second backplate (4), the second backplate (4) are circumferentially positioned on outer tube (2) and are set as multi-turn, first backplate (3) and the second shield
Plate (4) two sides are provided with auxiliary plate (5).
2. a kind of PVC hose according to claim 1, it is characterised in that: be provided through on first backplate (3)
One bent plate (6) is provided through the second bent plate (7) on second backplate (4), and the second bent plate (7) both ends are fixed with guiding
Plate (8).
3. a kind of PVC hose according to claim 2, it is characterised in that: between first bent plate (6) and inner tube (1)
It is provided with and accelerates capsule (9), accelerate capsule (9) Nian Jie with the first bent plate (6) close to the middle part of the one side of the first bent plate (6), accelerate capsule
(9) one side close to inner tube (1) is Nian Jie with inner tube (1).
4. a kind of PVC hose according to claim 3, it is characterised in that: first bent plate (6) and the second bent plate (7)
Between connected by scissor (10), be connected on the first backplate (3) and the second backplate (4) in the middle part of scissor (10), be used for first
It is connect in the middle part of backplate (3) with the second backplate (4) middle part.
5. a kind of PVC hose according to claim 1, it is characterised in that: uniformly distributed between said inner tube (1) and outer tube (2)
Have multiple space rings (11), is provided between the first backplate (3) described in two adjacent rings space ring (11), the space ring (11)
It is Nian Jie with inner tube (1) and outer tube (2) by glue.
6. a kind of PVC hose according to claim 5, it is characterised in that: close to the first backplate (3) and the second backplate (4)
Described auxiliary plate (5) one end and the first backplate (3) and the second backplate (4) it is connected, and the other end far from space ring (11) and with it is interior
Pipe (1) or outer tube (2) are slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296521.9A CN109899605B (en) | 2019-04-13 | 2019-04-13 | PVC hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296521.9A CN109899605B (en) | 2019-04-13 | 2019-04-13 | PVC hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109899605A true CN109899605A (en) | 2019-06-18 |
| CN109899605B CN109899605B (en) | 2020-09-04 |
Family
ID=66954742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910296521.9A Expired - Fee Related CN109899605B (en) | 2019-04-13 | 2019-04-13 | PVC hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899605B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046384A (en) * | 2021-10-29 | 2022-02-15 | 东台市竹林高科技材料有限公司 | High-strength compression-resistant PVC pipe with organic fiber reinforced layer |
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| CN208037317U (en) * | 2018-01-17 | 2018-11-02 | 山东齐明炭素有限公司 | A kind of anti abrasive blanking pipe |
| CN208153867U (en) * | 2018-04-18 | 2018-11-27 | 江苏凯宇不锈钢制品有限公司 | A kind of stainless steel pressure pipeline |
| CN109488816A (en) * | 2018-12-29 | 2019-03-19 | 沈炜 | Water-saving heating coil |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140261841A1 (en) * | 2013-03-14 | 2014-09-18 | Robert Bosch Gmbh | Kink resistant hose system with coil layer and method of manufacturing |
| CN203770868U (en) * | 2014-04-07 | 2014-08-13 | 临沂东立塑胶建材有限公司 | Composite drain pipe |
| CN204828994U (en) * | 2015-06-30 | 2015-12-02 | 祝锦聪 | High temperature resistance PVC hose |
| CN205350593U (en) * | 2016-03-03 | 2016-06-29 | 湖北环亚塑胶科技有限公司 | PE double -layer composite tube |
| CN208037317U (en) * | 2018-01-17 | 2018-11-02 | 山东齐明炭素有限公司 | A kind of anti abrasive blanking pipe |
| CN208153867U (en) * | 2018-04-18 | 2018-11-27 | 江苏凯宇不锈钢制品有限公司 | A kind of stainless steel pressure pipeline |
| CN109488816A (en) * | 2018-12-29 | 2019-03-19 | 沈炜 | Water-saving heating coil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114046384A (en) * | 2021-10-29 | 2022-02-15 | 东台市竹林高科技材料有限公司 | High-strength compression-resistant PVC pipe with organic fiber reinforced layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109899605B (en) | 2020-09-04 |
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