CN104329525B - Fiber reinforced plastic pipe seal sleeve interface and processing method thereof - Google Patents
Fiber reinforced plastic pipe seal sleeve interface and processing method thereof Download PDFInfo
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- CN104329525B CN104329525B CN201410624538.XA CN201410624538A CN104329525B CN 104329525 B CN104329525 B CN 104329525B CN 201410624538 A CN201410624538 A CN 201410624538A CN 104329525 B CN104329525 B CN 104329525B
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- inner ring
- fiber reinforced
- reinforced plastic
- plastic pipe
- socket
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/10—Sleeveless joints between two pipes, one being introduced into the other
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The present invention discloses a kind of fiber reinforced plastic pipe seal sleeve interface and processing method thereof, belongs to Glass Steel Tube pipeline joint and processing method technical field thereof.This interface is for connecting the fiber reinforced plastic pipe of the left and right sides, it is characterized in that, wherein side connecting end is socket end, the connecting end of opposite side is female end, the pipeline outer wall recessed formation socket inner ring of socket end, the external diameter of socket inner ring is less than the external diameter of fiber reinforced plastic pipe, establishes the annular groove of an accommodation water-swellable cushion rubber in the middle part of socket inner ring, be filled with stainless steel steel collar at socket inner ring overcoat, socket inner ring and stainless steel steel collar are bonded together by adhesive layer; The pipeline outer wall recessed formation bellmouth inner ring of female end, establishes the sealed groove of an accommodation seal ring at the middle part of bellmouth inner ring, the edge away from socket end of bellmouth inner ring is provided with slip casting drag reduction through hole.The present invention adopts the seal ring of water-swellable circle and elastically deformable to carry out Double Pressures sealing, and interface is firm, durable, can Long-Time Service without leakage.
Description
Technical field
The present invention relates to a kind of engineering pipeline interface and production method thereof, particularly a kind of fiber reinforced plastic pipe seal sleeve interface and production method thereof.
Background technique
Fiber reinforced plastic pipe is a kind of novel composite material, and have the advantages such as lightweight, corrosion resistant, inner wall smooth, the eighties, non-phase plumbing industry at home started to come into operation, in recent years in development such as raw material, manufacturing equipment, process engineerinies rapidly.But it is large at pipe diameter, when being again the transport for a long time for water, sewage, the easy humidity of wet goods, perishable materials, normal flexible cushion rubber bell and spigot joint or the sleeve interface of its present common use are easily out of shape because of cushion rubber design deficiency, degenerate, loosen and produce interface and reveal, some radial directions connect reliable, but axially easily pull open loosening; Some axis connect reliable, but radial direction is easily pulled open loosening.Publication number is that the Chinese invention patent " heavy caliber anti-static fiber glass epoxy plastic pipeline processing technology " of CN102490369A is although radial seal is reliable, but it strives the Interface design to high-pressure glass pipe specially, it is not suitable for the simple glass steel pipeline of the transport water, sewage etc. of non-high pressure.
Summary of the invention
The object of this invention is to provide and a kind of radial and axially all connect reliable fiber reinforced plastic pipe seal sleeve interface and production method thereof, the seal ring of water-swellable circle and elastically deformable is adopted to carry out Double Pressures sealing, the seamless binding of stainless steel steel collar and socket end, female end is realized by adhesive layer, make this interface firm, durable, can Long-Time Service without leakage.
The invention provides a kind of fiber reinforced plastic pipe sealing ring interface, for connecting the fiber reinforced plastic pipe of the left and right sides, it is characterized in that, wherein the connecting end of side fiber reinforced plastic pipe is socket end, the connecting end of opposite side fiber reinforced plastic pipe is female end, the pipeline outer wall recessed formation socket inner ring of socket end, the external diameter of socket inner ring is less than the external diameter of fiber reinforced plastic pipe, the annular groove of an accommodation water-swellable cushion rubber is established in the middle part of socket inner ring, be filled with stainless steel steel collar at socket inner ring overcoat, socket inner ring and stainless steel steel collar are bonded together by adhesive layer; The pipeline outer wall recessed formation bellmouth inner ring of female end, the external diameter of bellmouth inner ring is less than the external diameter of fiber reinforced plastic pipe, also be less than the external diameter of socket inner ring, establish the sealed groove of an accommodation seal ring at the middle part of bellmouth inner ring, the edge away from socket end of bellmouth inner ring is provided with slip casting drag reduction through hole; The recessed degree of depth of described socket inner ring, bellmouth inner ring is all greater than the wall thickness of stainless steel steel collar.
Preferably, seal ring in the raw time, its sectional shape is olecranon wedge shape, wedge-shaped tip is front facade, and a hypotenuse of wedge shape is base, and another hypotenuse is guiding limit, slope, wedge tail by base is rear facade, and another wedge tail is cambered surface, forms angle between two wedge tails; When seal ring is in the pressured state after installation, its guiding limit, slope compressive deformation becomes approximate parallelogram, and angle diminishes; Described seal ring is made up of elastic rubber material.
Be less than the sealed groove leading portion external diameter of bellmouth inner ring at the sealed groove back segment external diameter of bellmouth inner ring, after the sealed groove of bellmouth inner ring, form a slip casting space between section surface and stainless steel steel collar inwall.
The inwall being positioned at the edge of female end of stainless steel steel collar is the conical surface, forms a gradually thin groove; Individual conical surface connecting band is had between bellmouth inner ring and pipe main body; Form a slip casting opening between the groove of stainless steel steel collar and this conical surface connecting band, described slip casting drag reduction through hole is provided with multiple, is equally spaced diametrically, and the inner of each slip casting drag reduction through hole is provided with the counterbore for installing sealing screw.
The slurry noted in described slip casting opening is the mud that bentonite clay is converted.
Adhesive layer is formed by adhesive cures, and Bond presses unsaturated polyester resin 36-40 part by each raw material, curing agent 0.5-2 part, promoter 0.5-2 part, and the mass ratio of glass fiber powder 56-65 part stirs formulated.
Described curing agent is methyl-ethyl ketone peroxide, and described promoter is cobalt iso-octoate or cobalt naphthenate.
Water-swellable cushion rubber is modified rubber, expands more than 400% after meeting water.
The present invention also provides a kind of processing method of fiber reinforced plastic pipe sealing ring interface, for connecting the fiber reinforced plastic pipe of the left and right sides, it is characterized in that, comprising the following steps:
A, processing socket end, female end:
The connecting end of the fiber reinforced plastic pipe of side is processed into socket end, by one section of outer wall circumference polishing at socket end edge, grind off a ring outer wall, forming the socket inner ring that external diameter is less than the external diameter of fiber reinforced plastic pipe, in the middle part of socket inner ring, excavating out one for holding the annular groove of water-swellable cushion rubber;
The connecting end of the fiber reinforced plastic pipe of opposite side is processed into female end, by one section of outer wall circumference polishing at female end edge, grind off a ring outer wall, form external diameter to be less than the external diameter of fiber reinforced plastic pipe, to be also less than the bellmouth inner ring of socket outside diameter of inner ring, the sealed groove of seal ring is held, the edge one slip casting drag reduction through hole away from socket end of bellmouth inner ring at the middle part of bellmouth inner ring excavation one;
B, mounting socket end: in socket inner ring surface and annular groove, coat Bond, water-swellable cushion rubber is placed in annular groove, stainless steel steel collar is enclosed within socket inner ring, standing a period of time allows adhesive cures, stainless steel steel collar part inwall and socket inner ring cling, and another part inwall is unsettled;
C, female end is installed: before the sealed groove of bellmouth inner ring, coat Bond in section surface and sealed groove, be that sealed groove put into by the seal ring of approximate olecranon wedge shape by sectional shape, the hypotenuse on wedge shape top is guiding limit, slope, bellmouth inner ring is headed into the overhanging portion of described stainless steel steel collar, stainless steel steel collar is the conical surface towards edge's inwall of female end, form a gradually thin groove, this groove starts to contact with guiding limit, slope, along with the distance of jacking is longer, stainless steel steel collar is increasing with seal ring surface of contact, stainless steel steel collar starts compresses seal, by the distortion of seal ring, surface of contact is also increasing, final seal ring is compressed to the compression ratio of design, its guiding limit, slope compressive deformation becomes approximate parallelogram, a slip casting space is formed between section surface and stainless steel steel collar inwall after the sealed groove of bellmouth inner ring, individual conical surface connecting band is had between bellmouth inner ring and pipe main body, a slip casting opening is formed between the groove of stainless steel steel collar and this conical surface connecting band, after female end is in place, by the slip casting opening injection thus of the slurries of lubricate, and be full of slip casting space and slip casting drag reduction through hole,
D, installation sealing screw: after female end is in place, in the counterbore of each slip casting drag reduction through hole the inner, be screwed into sealing screw, make the fiber reinforced plastic pipe of the left and right sides realize being tightly connected.
The invention has the beneficial effects as follows: adopt the seal ring of water-swellable circle and elastically deformable to carry out Double Pressures sealing, water-swellable circle after being moistened volumetric expansion pushes against annular groove and the stainless steel steel collar of socket end, the seal ring of female end deforms in the process of jacking stainless steel steel collar, stainless steel steel collar is increasing with seal ring surface of contact, final seal ring is compressed to the compression ratio of design, sealed groove and stainless steel steel collar is pushed against by resiliently deformable stress, the two supplements mutually, realizes two " O " circle and is tightly connected; Approximate sagittate seal ring design, seal ring is made to head into deformation gradually in pressurized process, the basis not damaging seal ring reaches the effect of supercharging sealing, the angle design of arrow tail can make seal ring manage elasticity in Long-Time Service process, and the effect of elastic force state of strain automatically can be regulated according to the distortion of stainless steel steel collar, fiber reinforced plastic pipe or displacement, play good pushing against seal action all the time; Become the seamless binding that adhesive layer realizes stainless steel steel collar and socket end, female end, left and right two fiber reinforced plastic pipe are axially connected reliably; The mud injected in slip casting space and slip casting drag reduction through hole is mainly used for the outer surface lubricating whole pipeline, connects to head in process to reduce to head into resistance at many pipelines.In a word, this fiber reinforced plastic pipe seal sleeve interface can realize the reliable connection that all left and right two pipelines are radial and axial, and interface is firm, durable, can Long-Time Service without leakage, make, install, construct simple and convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 be seal ring of the present invention in the raw time sectional view
Sectional view when Fig. 3 is the pressured state after seal ring of the present invention is in installation
Reference character: socket inner ring 1, annular groove 2, stainless steel steel collar 3, adhesive layer 4, bellmouth inner ring 5, seal ring 6, sealed groove 7, slip casting drag reduction through hole 8, front facade 9, base 10, guiding limit, slope 11, rear facade 12, groove 13, conical surface connecting band 14, slip casting opening 15, counterbore 16, water-swellable cushion rubber 17
Embodiment
Embodiment 1
The present embodiment provides a kind of fiber reinforced plastic pipe sealing ring interface, for connecting the fiber reinforced plastic pipe of the left and right sides, wherein the connecting end of side fiber reinforced plastic pipe is socket end, the connecting end of opposite side fiber reinforced plastic pipe is female end, the pipeline outer wall recessed formation socket inner ring 1 of socket end, the external diameter of socket inner ring is less than the external diameter of fiber reinforced plastic pipe, the annular groove 2 of an accommodation water-swellable cushion rubber 17 is established in the middle part of socket inner ring 1, be filled with stainless steel steel collar 3 at socket inner ring 1 overcoat, socket inner ring and stainless steel steel collar are bonded together by adhesive layer 4; The pipeline outer wall recessed formation bellmouth inner ring 5 of female end, the external diameter of bellmouth inner ring is less than the external diameter of fiber reinforced plastic pipe, also the external diameter of socket inner ring 1 is less than, establish the sealed groove 7 of an accommodation seal ring 6 at the middle part of bellmouth inner ring 5, the edge away from socket end of bellmouth inner ring 5 is provided with slip casting drag reduction through hole 8; The recessed degree of depth of described socket inner ring 1, bellmouth inner ring 5 is all greater than the wall thickness of stainless steel steel collar 3.
Seal ring 6 in the raw time, its sectional shape is olecranon wedge shape, and wedge-shaped tip is front facade 9, a hypotenuse of wedge shape is base 10, and another hypotenuse is guiding limit, slope 11, and the wedge tail by base is rear facade 12, another wedge tail is cambered surface, forms angle between two wedge tails; When seal ring 6 is in the pressured state after installation, its guiding limit, slope pressurized 11 is deformed into approximate parallelogram, and angle diminishes; Described seal ring is made up of elastic rubber material.
The inwall being positioned at the edge of female end of stainless steel steel collar 3 is the conical surface, forms a gradually thin groove 13; Individual conical surface connecting band 14 is had between bellmouth inner ring 5 and pipe main body; Form a slip casting opening 15 between the groove of stainless steel steel collar and this conical surface connecting band, described slip casting drag reduction through hole 8 is provided with multiple, is equally spaced diametrically, and the inner of each slip casting drag reduction through hole 8 is provided with the counterbore 16 for installing sealing screw.
Adhesive layer is formed by adhesive cures, and Bond presses unsaturated polyester resin 39 parts by each raw material, 0.8 part, curing agent, and promoter 0.8 part, the mass ratio that glass fiber powder is 60 parts stirs formulated.
Described curing agent is methyl-ethyl ketone peroxide, and described promoter is cobalt iso-octoate or cobalt naphthenate.
The slurry noted in described slip casting opening is the mud that bentonite clay is converted, and mud can not be too sticky, has mobility.
Water-swellable cushion rubber is modified rubber, expands more than 400% after meeting water.
The present embodiment also proposes a kind of processing method of fiber reinforced plastic pipe sealing ring interface, for connecting the fiber reinforced plastic pipe of the left and right sides, it is characterized in that, comprising the following steps:
A, processing socket end, female end: the connecting end of the fiber reinforced plastic pipe of side is processed into socket end, by one section of outer wall circumference polishing at socket end edge, grind off a ring outer wall, forming the socket inner ring that external diameter is less than the external diameter of fiber reinforced plastic pipe, in the middle part of socket inner ring, excavating out one for holding the annular groove of water-swellable cushion rubber;
The connecting end of the fiber reinforced plastic pipe of opposite side is processed into female end, by one section of outer wall circumference polishing at female end edge, grind off a ring outer wall, form external diameter to be less than the external diameter of fiber reinforced plastic pipe, to be also less than the bellmouth inner ring of socket outside diameter of inner ring, the sealed groove of seal ring is held, the edge one slip casting drag reduction through hole away from socket end of bellmouth inner ring at the middle part of bellmouth inner ring excavation one;
B, mounting socket end: in socket inner ring surface and annular groove, coat Bond, water-swellable cushion rubber is placed in annular groove, stainless steel steel collar is enclosed within socket inner ring, standing a period of time allows adhesive cures, ambient temperature curing about 2 hours, stainless steel steel collar part inwall and socket inner ring cling, and another part inwall is unsettled;
C, female end is installed: before the sealed groove of bellmouth inner ring, coat Bond in section surface and sealed groove, be that sealed groove put into by the seal ring of approximate wedge shape by sectional shape, the hypotenuse on wedge shape top is guiding limit, slope, bellmouth inner ring is headed into the overhanging portion of described stainless steel steel collar, stainless steel steel collar is the conical surface towards edge's inwall of female end, form a gradually thin groove, this groove starts to contact with guiding limit, slope, along with the distance of jacking is longer, stainless steel steel collar is increasing with seal ring surface of contact, stainless steel steel collar starts compresses seal, by the distortion of seal ring, surface of contact is also increasing, final seal ring is compressed to the compression ratio of design, its guiding limit, slope compressive deformation becomes approximate parallelogram, a slip casting space is formed between section surface and stainless steel steel collar inwall after the sealed groove of bellmouth inner ring, individual conical surface connecting band is had between bellmouth inner ring and pipe main body, a slip casting opening is formed between the groove of stainless steel steel collar and this conical surface connecting band, after female end is in place, by the slip casting opening injection thus of the slurries of lubricate, and be full of slip casting space and slip casting drag reduction through hole,
D, installation sealing screw: after female end is in place, in the counterbore of each slip casting drag reduction through hole the inner, be screwed into sealing screw, make the fiber reinforced plastic pipe of the left and right sides realize being tightly connected.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is, adhesive layer is formed by adhesive cures, Bond presses unsaturated polyester resin 38 parts by each raw material, 1.2 parts, curing agent, promoter 1.2 parts, the ratio that glass fiber powder is 59.6 parts stirs formulated.
Claims (9)
1. a fiber reinforced plastic pipe seal sleeve interface, for connecting the fiber reinforced plastic pipe of the left and right sides, it is characterized in that, wherein the connecting end of side fiber reinforced plastic pipe is socket end, the connecting end of opposite side fiber reinforced plastic pipe is female end, the pipeline outer wall recessed formation socket inner ring of socket end, the external diameter of socket inner ring is less than the external diameter of fiber reinforced plastic pipe, the annular groove of an accommodation water-swellable cushion rubber is established in the middle part of socket inner ring, be filled with stainless steel steel collar at socket inner ring overcoat, socket inner ring and stainless steel steel collar are bonded together by adhesive layer; The pipeline outer wall recessed formation bellmouth inner ring of female end, the external diameter of bellmouth inner ring is less than the external diameter of fiber reinforced plastic pipe, also be less than the external diameter of socket inner ring, establish the sealed groove of an accommodation seal ring at the middle part of bellmouth inner ring, the edge away from socket end of bellmouth inner ring is provided with slip casting drag reduction through hole; The recessed degree of depth of described socket inner ring, bellmouth inner ring is all greater than the wall thickness of stainless steel steel collar.
2. fiber reinforced plastic pipe seal sleeve interface according to claim 1, it is characterized in that, seal ring in the raw time, its sectional shape is olecranon wedge shape, and wedge-shaped tip is front facade, and a hypotenuse of wedge shape is base, another hypotenuse is guiding limit, slope, wedge tail by base is rear facade, and another wedge tail is cambered surface, forms angle between two wedge tails; When seal ring is in the pressured state after installation, its guiding limit, slope compressive deformation becomes approximate parallelogram, and angle diminishes; Described seal ring is made up of elastic rubber material.
3. fiber reinforced plastic pipe seal sleeve interface according to claim 1, it is characterized in that, be less than the sealed groove leading portion external diameter of bellmouth inner ring at the sealed groove back segment external diameter of bellmouth inner ring, after the sealed groove of bellmouth inner ring, form a slip casting space between section surface and stainless steel steel collar inwall.
4. fiber reinforced plastic pipe seal sleeve interface according to claim 1, is characterized in that, the inwall being positioned at the edge of female end of stainless steel steel collar is the conical surface, forms a gradually thin groove; Individual conical surface connecting band is had between bellmouth inner ring and pipe main body; Form a slip casting opening between the groove of stainless steel steel collar and this conical surface connecting band, described slip casting drag reduction through hole is provided with multiple, is equally spaced diametrically, and the inner of each slip casting drag reduction through hole is provided with the counterbore for installing sealing screw.
5. fiber reinforced plastic pipe seal sleeve interface according to claim 4, is characterized in that, the slurry noted in described slip casting opening is the mud that bentonite clay is converted.
6. fiber reinforced plastic pipe seal sleeve interface according to claim 1, it is characterized in that, adhesive layer is formed by adhesive cures, Bond presses unsaturated polyester resin 36-40 part by each raw material, curing agent 0.5-2 part, promoter 0.5-2 part, the mass ratio of glass fiber powder 56-65 part stirs formulated.
7. fiber reinforced plastic pipe seal sleeve interface according to claim 6, is characterized in that, described curing agent is methyl-ethyl ketone peroxide, and described promoter is cobalt iso-octoate or cobalt naphthenate.
8. fiber reinforced plastic pipe seal sleeve interface according to claim 1, is characterized in that, water-swellable cushion rubber is modified rubber, expands more than 400% after meeting water.
9. a processing method for fiber reinforced plastic pipe sealing ring interface, for connecting the fiber reinforced plastic pipe of the left and right sides, is characterized in that, comprising the following steps:
A, processing socket end, female end:
The connecting end of the fiber reinforced plastic pipe of side is processed into socket end, by one section of outer wall circumference polishing at socket end edge, grind off a ring outer wall, forming the socket inner ring that external diameter is less than the external diameter of fiber reinforced plastic pipe, in the middle part of socket inner ring, excavating out one for holding the annular groove of water-swellable cushion rubber;
The connecting end of the fiber reinforced plastic pipe of opposite side is processed into female end, by one section of outer wall circumference polishing at female end edge, grind off a ring outer wall, form external diameter to be less than the external diameter of fiber reinforced plastic pipe, to be also less than the bellmouth inner ring of socket outside diameter of inner ring, the sealed groove of seal ring is held, the edge one slip casting drag reduction through hole away from socket end of bellmouth inner ring at the middle part of bellmouth inner ring excavation one;
B, mounting socket end: in socket inner ring surface and annular groove, coat Bond, water-swellable cushion rubber is placed in annular groove, stainless steel steel collar is enclosed within socket inner ring, standing a period of time allows adhesive cures, stainless steel steel collar part inwall and socket inner ring cling, and another part inwall is unsettled;
C, female end is installed: before the sealed groove of bellmouth inner ring, coat Bond in section surface and sealed groove, be that sealed groove put into by the seal ring of approximate olecranon wedge shape by sectional shape, the hypotenuse on wedge shape top is guiding limit, slope, bellmouth inner ring is headed into the overhanging portion of described stainless steel steel collar, stainless steel steel collar is the conical surface towards edge's inwall of female end, form a gradually thin groove, this groove starts to contact with guiding limit, slope, along with the distance of jacking is longer, stainless steel steel collar is increasing with seal ring surface of contact, stainless steel steel collar starts compresses seal, by the distortion of seal ring, surface of contact is also increasing, final seal ring is compressed to the compression ratio of design, its guiding limit, slope compressive deformation becomes approximate parallelogram, a slip casting space is formed between section surface and stainless steel steel collar inwall after the sealed groove of bellmouth inner ring, individual conical surface connecting band is had between bellmouth inner ring and pipe main body, a slip casting opening is formed between the groove of stainless steel steel collar and this conical surface connecting band, after female end is in place, by the slip casting opening injection thus of the slurries of lubricate, and be full of slip casting space and slip casting drag reduction through hole,
D, installation sealing screw: after female end is in place, in the counterbore of each slip casting drag reduction through hole the inner, be screwed into sealing screw, make the fiber reinforced plastic pipe of the left and right sides realize being tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624538.XA CN104329525B (en) | 2014-11-08 | 2014-11-08 | Fiber reinforced plastic pipe seal sleeve interface and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624538.XA CN104329525B (en) | 2014-11-08 | 2014-11-08 | Fiber reinforced plastic pipe seal sleeve interface and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104329525A CN104329525A (en) | 2015-02-04 |
| CN104329525B true CN104329525B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410624538.XA Expired - Fee Related CN104329525B (en) | 2014-11-08 | 2014-11-08 | Fiber reinforced plastic pipe seal sleeve interface and processing method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6486184B2 (en) * | 2015-04-27 | 2019-03-20 | 株式会社ハイレックスコーポレーション | Grommet |
| CN109475803B (en) * | 2016-07-07 | 2021-11-05 | 帕克-汉尼芬公司 | Variable diameter top for filter element |
| CN108662316B (en) * | 2018-07-25 | 2023-08-15 | 江苏润德管业有限公司 | Drain pipe with socket joint |
| CN110332400A (en) * | 2019-07-23 | 2019-10-15 | 王为迪 | A kind of GRP pipe |
| CN111873503A (en) * | 2020-07-24 | 2020-11-03 | 泸州川西化玻璃钢有限公司 | Production process of socket glass fiber reinforced plastic pipeline |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2081406A (en) * | 1980-04-17 | 1982-02-17 | Redland Pipes Ltd | Pipes and pipe joints |
| EP2108875A1 (en) * | 2008-04-11 | 2009-10-14 | R. Nussbaum AG | Connecting piece |
| CN102490369A (en) * | 2011-12-02 | 2012-06-13 | 曹如锋 | Processing process of large-diameter anti-static fiber glass epoxy plastic pipeline |
| CN104089103A (en) * | 2014-06-26 | 2014-10-08 | 南京新核复合材料有限公司 | Circulating water pipe lined with glass steel pipe and glass steel pipe lined method thereof |
| CN204201336U (en) * | 2014-11-08 | 2015-03-11 | 湖南潇湘源科技开发有限责任公司 | Fiber reinforced plastic pipe seal sleeve interface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2639059C (en) * | 2008-08-22 | 2014-02-11 | Ipex Inc. | Axially-tensioned pipe joint |
-
2014
- 2014-11-08 CN CN201410624538.XA patent/CN104329525B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2081406A (en) * | 1980-04-17 | 1982-02-17 | Redland Pipes Ltd | Pipes and pipe joints |
| EP2108875A1 (en) * | 2008-04-11 | 2009-10-14 | R. Nussbaum AG | Connecting piece |
| CN102490369A (en) * | 2011-12-02 | 2012-06-13 | 曹如锋 | Processing process of large-diameter anti-static fiber glass epoxy plastic pipeline |
| CN104089103A (en) * | 2014-06-26 | 2014-10-08 | 南京新核复合材料有限公司 | Circulating water pipe lined with glass steel pipe and glass steel pipe lined method thereof |
| CN204201336U (en) * | 2014-11-08 | 2015-03-11 | 湖南潇湘源科技开发有限责任公司 | Fiber reinforced plastic pipe seal sleeve interface |
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