CN105889653A - PVC (polyvinyl chloride) steel belt winding pipe - Google Patents
PVC (polyvinyl chloride) steel belt winding pipe Download PDFInfo
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- CN105889653A CN105889653A CN201610518063.5A CN201610518063A CN105889653A CN 105889653 A CN105889653 A CN 105889653A CN 201610518063 A CN201610518063 A CN 201610518063A CN 105889653 A CN105889653 A CN 105889653A
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Classifications
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- 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
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a PVC (polyvinyl chloride) steel belt winding pipe, which comprises a steel belt winding belt, an upper winding belt, a steel belt, a lower winding belt, a support belt, an upper connection extending belt, an upper connection clamp head, an upper connection clamp groove, a lower connection extension belt, a lower connection clamp head and a lower connection clamp groove. The PVC steel belt winding pipe has the beneficial effects that the PVC steel belt winding pipe covers the total advantages of a PE (poly ethylene) steel belt winding pipe and a PVC winding pipe; in addition, the production cost is greatly reduced; when the annular rigidity is high, the cost is low; the differences of the PVC steel belt winding belt cross section shape are used, after the bending deformation, the plate belt cross section shapes are different, the rebounding quantities are different, the rubber strip is automatically and tightly pressed through the different rebounding quantities, and the effect of water leakage prevention of the pipeline is achieved; the self-pressing type sealing rubber strip is formed. The PVC special glue water is not used; a product can be used after 24 hours from the production completion. The PVC steel belt winding pipe is applied to water introducing engineering of water works, and the water quality can completely meet the sanitation standard of life drinking water.
Description
Technical field
The present invention relates to tubing field, a kind of PVC steel strip winding pipe.
Background technology
Corvic is a kind of nontoxic, white powder of odorless, and its chemical stability is the highest, has
Good plasticity.There is the flame retardancy of excellence, wearability, resistance to chemical corrosion, comprehensive mechanical, electricity
The features such as insulating properties.PVC-U-PVC winding pipe be widely used in diversion works, irrigation water engineering,
Sewerage, rain-water drainage engineering.When PVC-U common in the diversion works of waterworks
-PVC winding pipe can not meet the hygienic requirements of engineering, because making in common PVC-U-PVC winding pipe
With PVC-U-PVC glue special, PVC-U-PVC glue special uses acetone, fourth in a large number
The organic solvents such as ketone, perchloroethylene, trichloroethane, toluene；Wherein acetone is colourless liquid, has and makes us
Happy abnormal smells from the patient (pungent sweet taste), volatile, can with water, ethanol, N,N-dimethylformamide, chloroform,
Ether and most of oils are miscible, its relative density (d25) 0.7845, fusing point-94.7 DEG C, boiling point 56.05 DEG C,
Index of refraction (n20D) 1.3588, flash-point-20 DEG C, inflammable, median lethal dose(LD 50) (rat, per os) 10.7ml/kg,
Irritant.Additionally perchloroethylene and trichloroethane, toxicity is medium, and zest is bigger, it is impossible to Long Term Contact.
Toluene is achromaticity and clarification liquid, has benzene sample gas taste, has strong refractivity, can be with ethanol, ether, acetone, chlorine
Imitative, Carbon bisulfide and glacial acetic acid are miscible, the atomic water that is dissolved in, relative density 0.866, freezing point-95 DEG C, boiling
Point 110.6 DEG C, index of refraction 1.4967, flash-point (closed-cup) 4.4 DEG C, inflammable, toluene vapor can be with air shape
One-tenth explosive mixture, explosion limit 1.2%～7.0% (volume), low toxicity, median lethal dose(LD 50) (rat,
Per os) 5000mg/kg, high concentrations of gas has narcoticness, irritant.
Corvic is a kind of nontoxic, white powder of odorless, and its chemical stability is the highest, has
Good plasticity.There is the flame retardancy of excellence, wearability, resistance to chemical corrosion, comprehensive mechanical, electricity
The features such as insulating properties.Corvic is widely used in plumbing field, common in large diameter pipeline
Pipeline have pipe of cement, PE winding pipe, PE steel strip winding pipe, PVC winding pipe.This buried hard polyethylene (PVC-U)
Wound form drainage pipeline, is widely used in municipal administration buried draining buried drain pipe road, gardens engineering, farmland row (drawing)
Water buried drain pipe road engineering, sewage disposal buried drain pipe road engineering, city planting ductwork buried drain pipe road work
The engineerings such as journey and outdoor buildings buried drain pipe road.
Current buried pipeline engineering has four kinds: one, pipe of cement: pipe of cement price is low, and ring stiffness is high, no
Burning, the most aging, but pipe of cement pipeline is short, and joint is many, and it is unreliable that hidden danger polylinker couples, and leaks serious
Construction period long pipeline weight, transport, hoisting cost height corrosion resistant performance poor, the life-span of pipe of cement is about 15 years,
Pipe friction coefficient is big, and the flow of water is little, and ditching, backfill require height, and construction cost is high.Two, PE is wound around
Pipe: PE winding pipe pipeline is long, and joint is few, and hidden danger is few, joint couples reliable, and water-tight, the construction period is short,
Corrosion resistant performance is good, and the life-span is about 30 years, and pipe friction coefficient is little, and the flow of water is big；Three, PE steel band twines
Around pipe: the price of PE steel strip winding pipe high ring rigidity pipeline is low, ditching, backfills less demanding, construction cost
Low, pipeline is long, joint is few, and hidden danger is few, joint couples reliable, water-tight, the construction period is short, rotproofness
Can be good, the life-span is about 35 years, pipe friction coefficient is little, and the flow of water is big, but PE plastic strength is poor, appearance
Being easily caused plastics cracking, steel lining is exposed, and electrochemical rust occurs, and the life-span now is about 20 years；Four,
PVC winding pipe: PVC winding pipe ring stiffness is high, intensity is high, do not burn, the most aging, and ditching backfills requirement
The highest, construction cost is low, and pipeline is long, and joint is few, and hidden danger is few, and joint couples reliable, water-tight, construction
Duration is short, and corrosion resistant performance is good, and the life-span is about 50 years, and pipe friction coefficient is little, and the flow of water is big, but PVC
During winding pipe ring stiffness height, price is high, and when ring stiffness is low, price is the highest.And current PE winding pipe,
PE steel strip winding pipe and PVC winding pipe are required to use glue special, add the pollution level of water quality.
The patent of Application No. CN00133020.9 disclosed in 2000, describes section bar spiral winding
Band, it is separate upper and lower two parts, and by groove and boss Matching installation, sealing effectiveness is bad, Er Qiesheng
Product cost is high, assembling trouble.
Therefore it is urgently to be resolved hurrily for developing a kind of functional, with low cost simple drainage pipeline that assembles
Problem.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of PVC steel strip winding pipe, solve existing row
Water pipe or poor performance, or the problem that cost is high, it also avoid existing PE winding pipe, PE steel simultaneously
Band winding pipe and PVC winding pipe are required to use glue special, the problem adding the pollution level of water quality.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of PVC steel strip winding pipe, it includes that steel strip winding band, described steel strip winding band include winding
Band and lower winding carry；Described upper winding band is internally provided with steel band, and described steel band includes arc-shaped steel belt and extension
Steel band, the both sides of described arc-shaped steel belt connect an extension steel band respectively；Described upper winding carries and lower winding band
Between be provided with a plurality of support band；Described steel strip winding band and support band form multiple separate inner chamber, described
Upper winding band side is provided with connection and extends band, described upper connection is provided with connection dop button on extension band
Tenon, the described upper opposite side being wound around band is provided with connection draw-in groove coak；The described lower side being wound around band is arranged
The lower extension band that connects, described lower connection is had on extension band, to be provided with lower connection dop coak, described lower winding band
Opposite side be provided with lower connection draw-in groove coak.
Further, described upper connection extends band and lower connection is provided with sealing joint strip on extension band.
Further, described upper connection extends band and is provided with O type sealing joint strip, and described lower connection is prolonged
Y type sealing joint strip it is provided with on semi-girder.
Further, the integrated connection of described steel band.
Further, the described height supporting band is 9-40mm.
Further, it is 50-120mm that described PVC is wound around the width of band.
Further, the width of described steel band is 40-90mm.
Further, the thickness of described steel band is 0.5-1.0mm.
Further, the thickness of described steel band is 0.5-1.0mm, and the height of described steel band is 5-20mm.
Further,
Compared with prior art, the invention has the beneficial effects as follows:
1, steel band is implanted on PVC winding band by the present invention, has both had PE steel strip winding pipe high ring rigidity pipeline
Price is low, ditching, backfill less demanding feature, also overcome PE plastic strength poor simultaneously, easily lead
Cause plastics ftracture, and steel lining is exposed, and the shortcoming that electrochemical rust occurs, PVC plastic intensity is good, is not easily caused
Plastics ftracture, and steel lining is the most exposed, and electrochemical rust does not occur, and extends the service life of the present invention, and
Present invention reduces production cost, the when of ring stiffness height the most of the present invention, cost is relatively low, and the present invention is
Integration is constituted, and assembling is simple, and structure is the most firm.
2, the present invention is provided with sealing joint strip, utilizes the difference in PVC steel strip winding band section configuration, when curved
After bent deformation, strip section configuration difference springback capacity is different, and the difference that this springback capacity is different just is by adhesive tape certainly
Dynamic pressure tightly reaches the watertight effect of pipeline；Self pressure type sealed PVC winding pipe of the present invention does not use PVC-U
-PVC glue special, utilizes production can use after completing 24 hours, and the present invention can be used not only for farmland
Row (drawing) water buried drain pipe road engineering, sewage disposal buried drain pipe road engineering, the buried row of city planting ductwork
The engineerings such as waterpipe engineering and outdoor buildings buried drain pipe road, can also apply to the diversion work of waterworks
Cheng Zhong, water quality is entirely capable of meeting drinking water sanitary standard.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 be the present invention extend steel band be arranged at be wound around band steel strip winding band sectional view.
Fig. 2 be the present invention extend steel band be arranged at support band steel strip winding band sectional view.
Fig. 3 be the present invention extend steel band be arranged at support band steel strip winding band extension steel band structure launch
Figure.
Being numbered in figure: 1, steel strip winding band；11, upper winding carries；111, steel band；1111, arc
Steel band；1112, extension steel band；12, lower winding carries；2, band is supported；3, upper connection extends band；31、
O type sealing joint strip；4, upper connection dop coak；5, upper connection draw-in groove coak；6, lower connection extends band；
61, Y type sealing joint strip；7, lower connection dop coak；8, lower connection draw-in groove coak.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but not limited to
The following example.
[embodiment 1]
A kind of PVC steel strip winding pipe as shown in Figure 1 and Figure 2, it includes steel strip winding band 1, described
Steel strip winding band 1 includes being wound around band 11 and lower winding band 12；The described upper band 11 that is wound around is internally provided with steel
Band 111, described steel band 111 includes arc-shaped steel belt 1111 and extension steel band 1112, described arc-shaped steel belt 1111
Both sides connect an extension steel band 1112 respectively；Described upper winding between band 11 and lower winding band 12 is arranged
There is a plurality of support band 2；Described steel strip winding band 1 support band 2 formation multiple separate inner chambers, described on twine
Upper connection extending band 3 around carrying 11 sides to be provided with, described upper connection is provided with connection dop on extension band 3
Coak 4, the described upper opposite side being wound around with 11 is provided with upper connection draw-in groove coak 5；Described lower winding band 12
Side be provided with lower connect extend band 6, described lower connect extend band 6 on be provided with lower connection dop coak
7, the described lower opposite side being wound around with 12 is provided with lower connection draw-in groove coak 8.
It is wound around while band moves in a circle on the circle of a diameter of 300 to allow by the PVC having steel band and is wound around band edge
Axially move along a straight line, when moving axially the width that is wound around band when being wound around band rotating 360 degrees, upper company
Connect dop coak 4 with on be connected draw-in groove coak 5 coupling and connect, meanwhile, lower connection dop coak 7 and lower company
Connect draw-in groove coak 8 coupling connect, both a diameter of 300 PVC steel strip winding pipe, if the PVC of steel band will be had
It is wound around while band moves in a circle on the circle of a diameter of 1200 and allows winding band move along a straight line vertically,
When moving axially the width that is wound around band when being wound around band rotating 360 degrees, upper connection dop coak 4 is with upper
Connect draw-in groove coak 5 coupling to connect, meanwhile, lower connection dop coak 7 with under be connected draw-in groove coak 8 and mate
Connect, both a diameter of 1200 PVC steel strip winding pipe.
Different diameters can be selected as required.
[embodiment 2]
The present embodiment has been further improvement, a kind of PVC as shown in Figure 1 on the basis of embodiment 1
Steel strip winding pipe, described upper connection extends band and lower connection is provided with sealing joint strip on extension band.
[embodiment 3]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 2
Planting PVC steel strip winding pipe, described upper connection extends band and is provided with O type sealing joint strip, described lower connection
Being provided with Y type sealing joint strip on adjutage, the present embodiment is no pressure pipe gravity flow pipeline, and external and internal pressure is greatly
Air pressure, but interior then under the effect of current, the osmotic pressure of water is more than atmospheric pressure, therefore in sealing then
Circle use Y type sealing joint strip, the Y shape sheet of Y type sealing joint strip interior then under the effect of current the tightest
Being attached to tightly by sealing member, hydraulic pressure is substantially equal to air through the Y post-decompression external and internal pressure of type sealing joint strip
Pressure, now the elastic deformation at O type sealing joint strip is issued to the effect fully sealed.
[embodiment 4]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Plant PVC steel strip winding pipe, the integrated connection of described steel band, molding can be integrally machined, it is simple to manufacture,
Assembling is simple, and structure is the most firm.
[embodiment 5]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Planting PVC steel strip winding pipe, the described height supporting band is that 9-50mm is when supporting the height carried less than 9mm
Time can reduce the ring stiffness of tubing；Pipeline can be caused simultaneously often to rotate a circle and to promote forward the width of a strip
, there is can not produce the serious consequence of product in Shi Fasheng difficulty.The meeting when the height supporting band is more than 50mm
Improve the ring stiffness of tubing；But the upper band 11 that is wound around will be elongated 50 × 3.14=157mm, lower winding band 12
Will be by compression 50 × 3.14=157mm, in order to continuous after allowing upper winding band 11 be elongated 50 × 3.14=157mm
Split, only thicken upper band 11 wall thickness that are wound around, simultaneously in order to allow lower be wound around with 12 compressed 50 ×
3.14=157mm effectively can be absorbed by the lower band 12 that is wound around, and only thickeies lower winding band 12 wall thickness instantly
Being wound around can not be by lower winding band 12 with 12 50X3.14=157mm compressed with the least the winding at present of 12 wall thickness
Effective absorption, now, the pipeline of production will form polygon, support the height with 2 simultaneously and be up to
44mm, in order to allow support not lodge under the thrust of push pedal with 2, only thickeies and supports band 2 walls
Thick, say, that all of wall thickness will thicken, cause piping cost to rise too many, exceed economical Design
Scope.
[embodiment 6]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Planting PVC steel strip winding pipe, it is 80-120mm that described PVC is wound around the width of band；When PVC is wound around the width of band
Degree is less than during for 80mm, and pipe ring rigidity will decline, and production cost will rise；When PVC is wound around the width of band
Degree is more than during for 120mm, and production cost will decline, but the linearity of pipeline cannot ensure.
[embodiment 7]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Planting PVC steel strip winding pipe, the width of described steel band is 40-90mm；When the width of steel band is less than 40mm
Time, by strengthening the difficulty producing pipeline, pipeline even can not be produced；When the width of steel band is more than 90mm
Time, pipe ring rigidity will decline.
[embodiment 8]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Planting PVC steel strip winding pipe, the thickness of described steel band is 0.5-1.0mm；When the thickness of steel band is less than 0.5mm
Time, pipe ring rigidity will decline；When the width of steel band is more than 1.0mm, the difficulty producing pipeline will be strengthened,
Even can not produce pipeline.
[embodiment 9]
The present embodiment has been further improvement, as shown in Figure 1 and Figure 2 on the basis of embodiment 1
Planting PVC steel strip winding pipe, the thickness of described steel band 111 is 0.5-1.0mm, described steel band 111
It is highly 5-20mm；When the thickness of steel band 111 is 0.5-1.0mm, the height height of steel band 111 is less than 5mm
Time, the production difficulty of pipeline is little, but pipe ring rigidity will decline；When the thickness of steel band 111 is
0.5-1.0mm, when the height height of steel band 111 is more than 20mm, pipe ring rigidity rises, but will strengthen
The production difficulty of pipeline, even can not produce pipeline.
[embodiment 10]
The present embodiment has done further improvement on the basis of embodiment 1, as shown in Figure 1, Figure 2, Fig. 3 institute
A kind of PVC steel strip winding pipe shown, described extension steel band 1112 be arranged at winding band 11 in or
It is arranged in support band 2；In the present embodiment, extension steel band 1112 is arranged at the winding pipe being wound around with in 11
Bearing capacity is good, but is easily caused strip cracking, makes the steel band in strip exposed, forms electrochemical rust,
Accelerate the speed of steel band corrosion；In the present embodiment, extension steel band 1112 is arranged at the winding supported with in 2
Pipe is not susceptible to the situation of strip cracking, but bearing capacity is more weak.Extension steel band 1112 is set by the present embodiment
Be placed in be wound around band 11 in winding pipe section number do the first section, the first described section steel band exists
During flexural deformation, what part more than centrage was born is pulling force, and the part below centrage is born
Be pressure, the intensity of first section contact area and steel band in order to improve steel band does not has opening, can only lean on
Steel band itself goes to absorb the decrement in deformation process；Therefore its internal stress will strengthen, when internal stress surpasses
Will ftracture when having crossed the ability to bear of PVC.Extension steel band 1112 is arranged at support band 2 by the present embodiment
In numbered second section of section of winding pipe, the steel band of the second section during flexural deformation, in
What part more than heart line was born is pulling force, and what the part below centrage was born is pressure, second section
Carried out opening to effectively absorb compress variation, can decrement in deformation process, as shown in Figure 3
Extension steel band 1112；Its internal stress will be greatly reduced simultaneously, when internal stress just reduces PVC
Will not ftracture；But owing to the extension steel band 1112 of the steel band of the second section does not have a bearing capacity, therefore
The bearing capacity of the winding pipe of two sections is less than the bearing capacity of the first section, but PVC is the most easy to crack, extends and makes
Use the life-span.
PVC winding pipe and PVC steel strip winding pipe become alpha-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanol heavily to contrast to be shown in Table 1
Table 1
PVC steel strip winding pipe makes the cost of PVC winding pipe reduce 35%-50% as seen from Table 1.
[Application Example 1]
By tap water by the PVC winding pipe of existing three kinds 1 meter, number and be respectively 1,2,3, then to water
Matter carries out the detection of toluene, testing result such as table 2:
PVC winding pipe water quality detection toluene is shown in Table 2
Table 2
Note: 1, detection method: gas chromatography determination accuracy of detection 0.006mg./L
2, " drinking water sanitary standard " (GB 5749-2006) regulation toluene≤0.7mg/L
3, described existing PVC winding pipe manufacturing enterprise: ocean, Sichuan plastic cement company limited；Product type:
DN600 SN4./1。
[Application Example 2]
Tap water is twined by the PVC steel band of three kinds 1 meter in embodiment 1, embodiment 5, embodiment 9
Around pipe, numbering is followed successively by 1,2,3, then water quality carries out the detection of toluene, testing result such as table 3:
PVC steel strip winding pipe water quality detection toluene is shown in Table 3
Table 3
| Sequence number | Detect after production 24H | Detect after production 48H | Detect after production 36H |
| 1 | 0.06mg/L | 0.06mg/L | 0.05mg/L |
| 2 | 0.06mg/L | 0.05mg/L | 0.05mg/L |
| 3 | 0.06mg/L | 0.06mg/L | 0.05mg/L |
Note: 1, detection method: gas chromatography determination accuracy of detection 0.006mg./L
2, " drinking water sanitary standard " (GB 5749-2006) regulation toluene≤0.7mg/L
Water quality detection result added with the PVC winding pipe of PVC special glue exceeds standard 10 40 as seen from Table 2
Times, the time the longest toluene that production is placed after completing volatilizees the most, and the toluene level in water is the fewest,
But water quality detection result is the most up to standard.
Self pressure type sealed PVC winding pipe water quality detection result is the most up to standard as seen from Table 3.
It is embodiments of the invention as mentioned above.The present invention is not limited to above-mentioned embodiment, and anyone should
This learns the structure change made under the enlightenment of the present invention, and every have same or like skill with the present invention
Art scheme, within each falling within protection scope of the present invention.
Claims (10)
1. a PVC steel strip winding pipe, it includes steel strip winding band (1), it is characterised in that: described steel
Band is wound around band (1) and includes being wound around band (11) and lower winding band (12)；Described upper winding carries (11)
Being internally provided with steel band (111), described steel band (111) includes arc-shaped steel belt (1111) and prolongs
Exhibition steel band (1112), the both sides of described arc-shaped steel belt (1111) connect an extension steel band respectively
(1112)；Described upper winding between band (11) and lower winding band (12) is provided with a plurality of support
Band (2)；Described upper winding carries (11), steel strip winding band (1) and supports shape between band (2)
Become multiple separate inner chamber, described on twine button and examine to be provided with around band (11) side and upper connection extend band
(3), described upper connect to extend be provided with connection dop coak (4) on band (3), described on
The opposite side being wound around band (11) is provided with connection draw-in groove coak (5)；Described lower winding carries (12)
Side be provided with lower connect extend band (6), described lower connect extend band (6) on be provided with down
Connecting dop coak (7), the described lower opposite side being wound around band (12) is provided with lower connection draw-in groove button
Tenon (8).
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described upper company
Connect extension band (3) and lower connection is provided with sealing joint strip in extension band (6).
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described upper company
Connect extension band (3) and be provided with O type sealing joint strip (31), described lower connection adjutage (6)
On be provided with Y type sealing joint strip (61).
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described steel band
(111) integrated connection.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described support
The height of band (2) is 9-50mm.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described PVC
The width being wound around band (1) is 80-120mm.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described steel band
(111) width is 40-90mm.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described steel band
(111) thickness is 0.5-1.0mm.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described steel band
(111) height is 5-20mm.
A kind of PVC steel strip winding pipe the most according to claim 1, it is characterised in that: described extension
Steel band (1112) is arranged in winding band (11) or is arranged in support band (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518063.5A CN105889653A (en) | 2016-07-04 | 2016-07-04 | PVC (polyvinyl chloride) steel belt winding pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518063.5A CN105889653A (en) | 2016-07-04 | 2016-07-04 | PVC (polyvinyl chloride) steel belt winding pipe |
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| CN105889653A true CN105889653A (en) | 2016-08-24 |
Family
ID=56719600
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| CN201610518063.5A Pending CN105889653A (en) | 2016-07-04 | 2016-07-04 | PVC (polyvinyl chloride) steel belt winding pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842652A (en) * | 2016-09-19 | 2018-03-27 | 河北环水塑胶管业有限公司 | Two flat walls plastic-steel spirally-wound pipe |
| CN109064681A (en) * | 2018-08-01 | 2018-12-21 | 京东方科技集团股份有限公司 | Vending machine |
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| CN202144913U (en) * | 2011-05-27 | 2012-02-15 | 甘志超 | U-PVC (U-polyvinyl chloride) steel belt-winding pipe |
| CN202252415U (en) * | 2011-09-13 | 2012-05-30 | 邱承勋 | U-PVC (Unplasticized Polyvinyl Chloride) steel strip winding pipe |
| JP2014213458A (en) * | 2013-04-22 | 2014-11-17 | 積水化学工業株式会社 | Belt-shaped member containing reinforcing material, and production method thereof |
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| CN107842652A (en) * | 2016-09-19 | 2018-03-27 | 河北环水塑胶管业有限公司 | Two flat walls plastic-steel spirally-wound pipe |
| CN107842652B (en) * | 2016-09-19 | 2023-05-30 | 河北环水塑胶管业有限公司 | Double-flat-wall plastic steel winding pipe |
| CN109064681A (en) * | 2018-08-01 | 2018-12-21 | 京东方科技集团股份有限公司 | Vending machine |
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Application publication date: 20160824 |