CN109237146A - Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method - Google Patents
Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method Download PDFInfo
- Publication number
- CN109237146A CN109237146A CN201811312447.7A CN201811312447A CN109237146A CN 109237146 A CN109237146 A CN 109237146A CN 201811312447 A CN201811312447 A CN 201811312447A CN 109237146 A CN109237146 A CN 109237146A
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- Prior art keywords
- embedded
- composite metal
- ring
- enhancing ring
- plastic pipe
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- 239000004033 plastic Substances 0.000 title claims abstract description 121
- 229920003023 plastic Polymers 0.000 title claims abstract description 121
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 89
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
- B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method, the embedded port enhancing ring composite metal-plastic pipe includes composite metal-plastic pipe ontology, the both ends of the composite metal-plastic pipe ontology are respectively equipped with embedded enhancing ring, one end of the embedded enhancing ring has flange, and the flange is close to the end of composite metal-plastic pipe ontology；The appearance of the embedded enhancing ring is equipped with salient point.The invention also includes a kind of manufacturing methods of embedded port enhancing ring composite metal-plastic pipe.The present invention utilizes embedded enhancing ring, make the plastic pipe layer of end surfaces by the support of enhancing ring compression, the flange for enhancing ring simultaneously coats end surfaces, plastic tube and metal tube caused by corroding for a long time because of the contraction of inner lining plastic tube internal stress, metal tube end face is prevented to be layered, the salient point of especially ring appearance is avoided that enhancing ring caused by tubing handling, the deformation of installation process falls off.
Description
Technical field
The present invention relates to a kind of embedded port enhancing ring composite metal-plastic pipe and its manufacturing methods.
Background technique
Inner lining plastic tube spigot-and-socket ductile iron pipe, because its mechanical performance energy is good, hygienic environment-protecting, low energy consumption, emptying effectiveness
High, the advantages that operating cost is low, long service life, strong ambient adaptability, be the pipeline for being most suitable for conveying for tap water at present.
CN107654748A disclosed a kind of port enhancing ring inner lining plastic tube spigot-and-socket metal on February 02nd, 2018
Pipe and production method, it includes inner lining plastic tube spigot-and-socket metal tube sheet which, which enhances ring inner lining plastic tube spigot-and-socket metal tube,
Body, the female end and socket end of the inner lining plastic tube spigot-and-socket metal tube body are respectively equipped with enhancing ring, and the enhancing ring is swollen
It connects in plastic tube, and plastic tube generates deformation.Tubing two after although inner lining plastic tube spigot-and-socket ductile iron pipe completes
The plastic layer of end face is Nian Jie with spheroidal graphite cast-iron layer firm, and short time use process is comparatively safe, but when tubing using the time it is long or
Be stacked at outdoor for a long time, the spheroidal graphite cast-iron layer of both ends of the surface can generate certain corrosion, cause the plastic layers of tubing both ends of the surface with
Spheroidal graphite cast-iron layer is gradually peeling-off, while the lining plastic bed of material is shunk, the face for causing plastic layer and spheroidal graphite cast-iron layer to be removed
Product is increasing, and plastic layer flange under the action of waterpower may finally be caused to block pipeline, influence pipeline normal water supply, plastics
After layer generates layering with spheroidal graphite cast-iron layer, spheroidal graphite cast-iron, which is directly contacted with water, to be corroded, and is seriously affected to water quality generation.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide a kind of embedded port
Enhance ring composite metal-plastic pipe and its manufacturing method.
The technical solution adopted by the present invention to solve the technical problems is:
The embedded port of the present invention enhances ring composite metal-plastic pipe, including composite metal-plastic pipe ontology, the metal modeling
The both ends of material composite pipe body are respectively equipped with embedded enhancing ring, and one end of the embedded enhancing ring has flange, described to turn over
The end of side abutting composite metal-plastic pipe ontology.
Further, the flange height of the embedded enhancing ring is higher than the inner lining plastic tube of composite metal-plastic pipe ontology
(preferably concordant with composite metal-plastic pipe body outer wall), it is described it is embedded enhancing ring with a thickness of 1-3mm, width 10-
The preferred 15-60mm of 100mm().
Further, the appearance of the embedded enhancing ring is equipped with salient point.The salient point is formed through annular knurl or spot welding, described convex
The height of point is 0.1-2.0mm.
Further, the composite metal-plastic pipe ontology, which refers to, pulls in outer layer in metal tube with the plastic tube of hot melt adhesive
Sealed, inflation, heating are formed by composite pipe.The composite metal-plastic pipe ontology can be inner lining plastic tube spigot-and-socket ball
Graphite cast iron pipe (is equipped with female end and socket end), or other composite metal-plastic pipes.
Further, the embedded enhancing ring expanded joint is described embedding in the inner lining plastic tube of composite metal-plastic pipe ontology
The salient point for entering formula enhancing ring appearance is embedded into plastic tube, and plastic tube generates certain deformation.The plastic tube generates deformation quantity
For 0.1-1.0mm.
Further, the material of the embedded enhancing ring can be stainless steel etc..
Further, the plastic tube can be polyethylene (PE) pipe, polypropylene (PP) pipe, polyvinyl chloride (PVC) pipe etc..
The embedded port of the present invention enhances the manufacturing method of ring composite metal-plastic pipe, is: in composite metal-plastic pipe
After ontology completes, end face preservative treatment is carried out, embedded enhancing ring is then made, finally carries out the peace of embedded enhancing ring
Dress.
Further, the production of the embedded enhancing ring, the specific steps are as follows:
1) stainless steel band length is cut；
2) edge rolling, flange；
3) it welds；
4) weld grinding.
If the appearance of embedded enhancing ring is equipped with salient point, further includes: 5) annular knurl or spot welding.
Further, the outer diameter of the embedded enhancing ring is 0.6-2.5mm smaller than the internal diameter of composite metal-plastic pipe ontology.
Further, the installation of the embedded enhancing ring, the specific steps are as follows:
1) embedded enhancing ring is inserted into pipe end；
2) tensioner ring.
Further, the installation of embedded enhancing ring is completed by setting the pressure of expanding equipment or pipe expanding equipment.
Further, the installation of embedded enhancing ring is completed by setting the die deformation amount of expanding equipment or pipe expanding equipment.
Compared with prior art, the beneficial effects of the present invention are:
1, embedded enhancing ring of the invention uses the structure with flange, not only convenient and efficient when enhancing ring installation, but also is beneficial to
It is mobile to can avoid enhancing ring position caused by contacting when expanding machine or the insertion of pipe-expanding device mold with enhancing ring for the positioning of ring.
2, embedded enhancing ring of the invention uses the structure with flange, can wrap to composite metal-plastic pipe end face
It covers, has not only been beneficial to tube end face anti-corrosion, but also avoid plastic lining end surfaces exposed, make to generate after plastic lining end surfaces deburring
The appearance property of composite metal-plastic pipe can be improved outside being not exposed in the open defects such as flash.
3, composite metal-plastic pipe is stacked at outdoor using time length or for a long time, and the metal layer of both ends of the surface can generate centainly
Corrosion, cause the plastic layer of tubing both ends of the surface and metal layer gradually peeling-off, while the lining plastic bed of material is shunk, and is caused
Plastic layer and the area that metal layer is removed are increasing, may finally lead to plastic layer flange blocking pipe under the action of waterpower
Road influences pipeline normal water supply, and after plastic layer and metal layer generate layering, metal, which is directly contacted with water, to be corroded, to water quality
Generation seriously affects, and using embedded enhancing ring, can solve plastic layer and metal layer lamination problem completely.
4, the present invention increases the technical solution of embedded enhancing ring using composite metal-plastic pipe port, is beneficial to improve gold
The intensity for belonging to plastic composite pipe port, can preferably avoid tubing from being squeezed and deformed in handling, transport, installation process by external force
The case where occur.
5, the present invention increases the technical solution of embedded enhancing ring using composite metal-plastic pipe port, can reduce lining plastic
The usage amount of expects pipe hot melt adhesive can save material, reduce cost.
6, because of various more problems existing for metal pipe end opening itself in composite metal-plastic pipe production process, in addition technique
Control difficulty is big, and a small amount of lamination inevitably occurs for part tubing both ends, not only influences tubing appearance, and in pipe
Material after a period of use can occurrence of large-area layering, block pipeline, pollute water quality；It, will but if tubing is scrapped by the part
Cause it is entire increased production cost, the composite metal-plastic pipe port that the present invention uses increases the technical side of embedded enhancing ring
Case can be fully solved layering and the appearance quality of the part tubing use process, reduce composite metal-plastic pipe and produced
Journey is scrapped, and composite metal-plastic pipe entirety production cost is reduced.
7, further, the embedded enhancing ring of use, appearance form the surface for having salient point through annular knurl or spot welding, can be significantly
The conjugation for improving enhancing ring and inner lining plastic tube is avoided that enhancing ring is hung power by suspension hook in composite metal-plastic pipe handling
Influence occur that position is mobile even to fall off.
8, further, composite metal-plastic pipe is squeezed during transport, handling, installation etc. by external force, impact can occur
Certain elastic deformation, since enhancing ring thickness is small, plastic deformation, which easily occurs, causes enhancing ring to fall off, the insertion that the present invention uses
Formula enhances ring, and appearance forms the surface for having salient point through annular knurl or spot welding, can greatly improve the knot of enhancing ring and inner lining plastic tube
It is right, the technical problem that enhancing ring falls off can be fully solved.
9, the present invention completes the embedded installation for enhancing ring using the pressure by setting expanding equipment or pipe expanding equipment
Technical solution, not only can guarantee it is embedded enhancing ring installation needed for tension force, but also can prevent metal tube because dynamics it is excessive caused by open
It splits or the problems such as outer diameter excessively swells.
10, the present invention completes the embedded installation for enhancing ring using the pressure by setting expanding equipment or pipe expanding equipment
Technical solution, can a step embedded enhancing ring is installed in place, high production efficiency, and can preventing embedded caused by human factor
Enhance ring loosening, metal tube spalling, excessively swell and other issues.
11, the present invention completes embedded enhancing ring using the die deformation amount by setting expanding equipment or pipe expanding equipment
The technical solution of installation can control embedded enhancing by the die deformation amount of setting after measuring composite metal-plastic pipe internal diameter
The deformation extent of ring and composite metal-plastic pipe is beneficial to improve production efficiency and embedded enhancing ring installation effect.
Detailed description of the invention
Fig. 1 is that the embedded port of the embodiment of the present invention enhances the structure of ring inner lining plastic tube spigot-and-socket ductile iron pipe
Schematic diagram；
Fig. 2 is the portion the A enlarged diagram of embodiment illustrated in fig. 1；
Fig. 3 is the main view enlarged drawing of embedded enhancing ring；
Fig. 4 is the left view enlarged drawing of embedded enhancing ring；
Fig. 5 is the structural schematic diagram of another embodiment of the present invention.
Specific embodiment
The invention will be further described for the following drawings and embodiment.
Embodiment
Referring to attached drawing, a kind of embedded port enhancing ring inner lining plastic tube spigot-and-socket ductile iron pipe, including inner lining plastic tube are held
Formula spheroidal graphite cast-iron tube body 1 is inserted, the female end and socket end of the inner lining plastic tube spigot-and-socket spheroidal graphite cast-iron tube body 1 are set respectively
There is embedded enhancing ring 2, one end of the embedded enhancing ring 2 has flange, and the flange is close to inner lining plastic tube spigot-and-socket
The female end of spheroidal graphite cast-iron tube body 1 and the end of socket end.
In the present embodiment, the flange height of the embedded enhancing ring 2 is higher than inner lining plastic tube spigot-and-socket ductile iron pipe
The inner lining plastic tube of ontology 1, it is described it is embedded enhancing ring with a thickness of 1mm, width 30mm.
In the present embodiment, the appearance of the embedded enhancing ring 2 is equipped with salient point；The salient point is formed through annular knurl, described convex
The height of point is 1.0mm.
In the present embodiment, the inner lining plastic tube spigot-and-socket spheroidal graphite cast-iron tube body 1 refers to outer layer with hot melt adhesive
Plastic tube 1-2 pulls in sealed, inflation, heating in spigot-and-socket ductile iron pipe 1-1 and is formed by multiple tube.
In the present embodiment, embedded 2 expanded joint of enhancing ring is in plastic tube 1-2, and plastic tube 1-2 generates a setting
Become.The salient point of embedded enhancing 2 appearance of ring is embedded into plastic tube 1-2.It is 1.0mm that the plastic tube, which generates deformation quantity,.
The material of the embedded enhancing ring is stainless steel.
In the present embodiment, the plastic tube 1-2 is polyethylene (PE) pipe.
Production method, comprising the following steps:
1, inner lining plastic tube spigot-and-socket spheroidal graphite cast-iron tube body internal diameter, calculating ratio inner lining plastic tube spigot-and-socket ductile iron pipe are measured
The embedded enhancing ring perimeter of the small 1.5mm of ontology internal diameter cuts out stainless steel band, the width of stainless steel band with the Zhou Changwei length of calculating
Degree is 30mm.
2, the plastics tube thickness of inner lining plastic tube spigot-and-socket ductile iron pipe is measured, the flange of embedded enhancing ring one end is high
Degree is higher than plastic tube.
3, by the die location and angle of the outer diameter size of embedded enhancing ring and flange amount adjustment furling plate round machine, by stainless steel
Stainless steel ring with feeding furling plate round machine edge rolling at one end with flange.
4, the stainless steel ring of edge rolling is sent into automatic welding machine welding.
5, the stainless steel ring being welded is smooth by weld grinding by sander.
6, volume stainless steel ring appearance is sent into edge knurling machine annular knurl after polishing, and embedded enhancing ring completes.
7, by inner lining plastic tube spigot-and-socket ductile iron pipe end coating zinc rich paint, either manually or mechanically by embedded enhancing ring
Hand is inserted into inner lining plastic tube spigot-and-socket spheroidal graphite cast-iron tube body, until embedded enhancing ring and inner lining plastic tube spigot-and-socket spheroidal graphite
Cast iron end surfaces are adjacent to.
8, expanding machine or tube expansion are inserted in the inner lining plastic tube spigot-and-socket ductile iron pipe one end for being inserted with embedded enhancing ring
In device mould, or by expanding machine or pipe-expanding device mold be inserted with it is embedded enhancing ring inner lining plastic tube spigot-and-socket spheroidal graphite
In cast iron pipe one end, tube expansion in the following manner:
A, tube expansion pressure is set, which is tension force needed for can guarantee embedded enhancing ring installation, and can prevent spheroidal graphite from casting
Iron pipe because dynamics it is excessive caused by crack or outer diameter excessively swells, then start tube expansion and pressure and stop, tube expansion until reaching setting
It completes.
B, die deformation degree 1mm bigger than inner lining plastic tube spigot-and-socket spheroidal graphite cast-iron bore is set, is then started swollen
Pipe until reaching size set by mold, complete by tube expansion.
Certainly, it is suitable for the composite metal-plastic pipe of other forms, as shown in Figure 5.
Claims (10)
1. embedded port enhances ring composite metal-plastic pipe, it is characterised in that: including composite metal-plastic pipe ontology, the gold
The both ends for belonging to plastic composite pipe ontology are respectively equipped with embedded enhancing ring, and one end of the embedded enhancing ring has flange, institute
State the end that flange is close to composite metal-plastic pipe ontology.
2. embedded port according to claim 1 enhances ring composite metal-plastic pipe, it is characterised in that: described embedded
The flange for enhancing ring is higher than the inner lining plastic tube of composite metal-plastic pipe ontology, the embedded enhancing ring with a thickness of 1-3mm,
Width is 10-100mm.
3. embedded port according to claim 1 or 2 enhances ring composite metal-plastic pipe, it is characterised in that: described embedding
The appearance for entering formula enhancing ring is equipped with salient point.
4. embedded port according to claim 3 enhances ring composite metal-plastic pipe, it is characterised in that: the salient point warp
Annular knurl or spot welding are formed, and the height of the salient point is 0.1-2.0mm.
5. embedded port according to claim 1 or 2 enhances ring composite metal-plastic pipe, it is characterised in that: the gold
Belong to plastic composite pipe ontology and refers to that the plastic tube that outer layer is had hot melt adhesive pulls in sealed, inflation in metal tube, heating institute's shape
At multiple tube.
6. embedded port according to claim 5 enhances ring composite metal-plastic pipe, it is characterised in that: the metal modeling
Material composite pipe body is inner lining plastic tube spigot-and-socket ductile iron pipe.
7. embedded port according to claim 1 or 2 enhances ring composite metal-plastic pipe, it is characterised in that: described embedding
Enter formula enhancing ring expanded joint in the inner lining plastic tube of composite metal-plastic pipe ontology, and plastic tube generates certain deformation；The modeling
It is 0.1-1.0mm that expects pipe, which generates deformation quantity,.
8. the production side of embedded port enhancing ring composite metal-plastic pipe described in -7 any claims according to claim 1
Method, it is characterised in that: after composite metal-plastic pipe ontology completes, carry out end face preservative treatment, then make embedded
Enhance ring, finally carries out the installation of embedded enhancing ring.
9. the production method of embedded port enhancing ring composite metal-plastic pipe according to claim 8, it is characterised in that:
The production of the embedded enhancing ring, the specific steps are as follows:
1) stainless steel band length is cut；
2) edge rolling, flange；
3) it welds；
4) weld grinding.
10. the production method of embedded port enhancing ring composite metal-plastic pipe according to claim 8, feature exist
In: the installation of the embedded enhancing ring, the specific steps are as follows:
1) embedded enhancing ring is inserted into pipe end；
2) tensioner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312447.7A CN109237146A (en) | 2018-11-06 | 2018-11-06 | Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312447.7A CN109237146A (en) | 2018-11-06 | 2018-11-06 | Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237146A true CN109237146A (en) | 2019-01-18 |
Family
ID=65077042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312447.7A Pending CN109237146A (en) | 2018-11-06 | 2018-11-06 | Embedded port enhancing ring composite metal-plastic pipe and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237146A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000238A (en) * | 2019-03-30 | 2019-07-12 | 上海金保莱新材料科技有限公司 | The production method of steel pipe |
| CN110117751A (en) * | 2019-06-18 | 2019-08-13 | 山东远大锅炉配件制造有限公司 | A kind of wear resistant corrosion resistant composite bimetal pipe material and preparation method thereof |
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
| CN110285271A (en) * | 2019-07-26 | 2019-09-27 | 湖南振辉管业有限公司 | A kind of composite metal-plastic pipe port enhancing face seals and preparation method thereof |
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