CN113059878A - Tortoise shell net lining PTFE lining - Google Patents

Tortoise shell net lining PTFE lining Download PDF

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Publication number
CN113059878A
CN113059878A CN202110208932.5A CN202110208932A CN113059878A CN 113059878 A CN113059878 A CN 113059878A CN 202110208932 A CN202110208932 A CN 202110208932A CN 113059878 A CN113059878 A CN 113059878A
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CN
China
Prior art keywords
ptfe
shell
liner
ptfe liner
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110208932.5A
Other languages
Chinese (zh)
Inventor
王旭卫
王树德
郭像
王来标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tesulong Chemical Equipment Co ltd
Original Assignee
Zhejiang Tesulong Chemical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Tesulong Chemical Equipment Co ltd filed Critical Zhejiang Tesulong Chemical Equipment Co ltd
Priority to CN202110208932.5A priority Critical patent/CN113059878A/en
Publication of CN113059878A publication Critical patent/CN113059878A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
    • 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
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
    • F16L58/1036—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe the coating being a preformed pipe
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses a tortoise shell net lining PTFE lining, which comprises a shell, wherein a PTFE lining cylinder is fixedly arranged in the shell, a plurality of support rings are symmetrically arranged on the inner wall of the PTFE lining cylinder, an exhaust hole is formed in one side of the shell, the PTFE lining cylinder comprises a PTFE plate, a first PTFE film, a metal net and a second PTFE film, and the outer wall of the PTFE plate is wound with the first PTFE film. Thereby improving the stability and the service life of the PTFE liner.

Description

Tortoise shell net lining PTFE lining
Technical Field
The invention relates to a PTFE liner, in particular to a tortoise-shell net liner PTFE liner.
Background
Polytetrafluoroethylene, commonly known as "plastic king", is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer, is white waxy, semitransparent, heat-resistant and cold-resistant, and can be used at minus 180-260 ℃ for a long time. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. Meanwhile, the polytetrafluoroethylene has the characteristic of high temperature resistance, has extremely low friction coefficient, can be used for lubricating, and becomes an ideal coating for easily cleaning the inner layer of the water pipe.
In the prior art, the following defects mainly exist in the process of daily use of the lining:
1. when the lining is in use, a gap exists between the lining and the shell, so that when the lining has the problems of thermal expansion and cold shrinkage, cold flow and the like, the thermal expansion and cold shrinkage of the lining and the shell are inconsistent, the negative pressure resistance and the high temperature resistance of the lining are reduced, and the service life of the lining is shortened.
2. Under the condition of extreme negative pressure, the lining layer of the lining is easy to bubble, the deformation of the lining can affect the normal use of the lining, and the stability and the service life of the lining are reduced.
Disclosure of Invention
The invention aims to provide a tortoise shell net lining PTFE lining to solve the problems of reducing negative pressure resistance and high temperature resistance and lining bubbling in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: tortoise shell net lining PTFE liner, including the shell, the inside of shell is fixed and is equipped with the PTFE liner, the inner wall symmetry of PTFE liner is equipped with a plurality of lock rings, the exhaust hole has been seted up to one side of shell.
The PTFE liner comprises a PTFE plate, a first PTFE film, a metal net and a second PTFE film, wherein the outer wall of the PTFE plate is wound with the first PTFE film, the outer wall of the first PTFE film is wound with the metal net, and the outer wall of the metal net is wound with the second PTFE film.
According to a preferable technical scheme of the invention, a plug is inserted and connected in the exhaust hole, the plug is fixedly arranged in the middle of one side of the baffle, springs are fixedly arranged at two ends of one side of the baffle, and one ends of the two springs are fixedly arranged on the outer wall of the shell.
As a preferable technical scheme of the invention, a plurality of the support rings are fixedly connected with the inner wall of the PTFE liner through connecting rings.
According to a preferable technical scheme of the invention, a plurality of correction rods are respectively in threaded connection with one side of each support ring, and a correction plate is respectively in rotary connection with one end of each correction rod.
In a preferred embodiment of the present invention, the outer walls of the plurality of correction plates are each fixedly provided with a first magnet, the plurality of first magnets are each magnetically connected with a second magnet, and the plurality of second magnets are each fixedly provided on the inner wall of the PTFE liner.
As a preferable technical scheme of the invention, the size of the plug is matched with that of the exhaust hole, and the outer wall of the plug is wound with a rubber sealing gasket.
In a preferred embodiment of the present invention, the housing is fixedly connected to the PTFE liner by an adhesive, and the housing and the PTFE liner evacuate air from the gap under heating.
As a preferable technical scheme of the invention, after the PTFE liner is fixed in the shell, the PTFE liner is hermetically assembled and then is inflated, pressurized, heated, plasticized and shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the processing technology of the PTFE plate, the first PTFE film, the metal mesh and the second PTFE film, the defects of overlarge expansion with heat and contraction with cold, cold flow property and the like of PTFE are effectively eliminated, so that the expansion with heat and contraction with cold of the PTFE liner are basically consistent with that of the shell, the strength of the PTFE liner is greatly enhanced, and the negative pressure resistance and the high temperature resistance of the PTFE liner are obviously improved.
2. The PTFE liner is supported by the support ring, the correction rod and the correction plate, and the deformed PTFE liner can be corrected and adjusted to restore the PTFE liner, so that the stability of the PTFE liner is improved and the service life of the PTFE liner is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a planar structure of the housing of the present invention;
FIG. 3 is a schematic plan view of the support ring of the present invention;
FIG. 4 is a schematic plan view of a PTFE liner of the present invention;
fig. 5 is a schematic diagram of a module structure according to the present invention.
In the figure: 1. a housing; 2. a PTFE liner; 3. a support ring; 4. an exhaust hole; 5. PTFE sheet material; 6. a first PTFE membrane; 7. a metal mesh; 8. a second PTFE membrane; 9. a plug; 10. a baffle plate; 11. a spring; 12. a connecting ring; 13. a leveling rod; 14. and (7) correcting the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution of tortoise shell net lining PTFE lining:
according to the drawings of fig. 1, fig. 2 and fig. 4, the PTFE cold-shrink sleeve comprises a shell 1, a PTFE liner 2 is fixedly arranged in the shell 1, a plurality of support rings 3 are symmetrically arranged on the inner wall of the PTFE liner 2, an exhaust hole 4 is formed in one side of the shell 1, the PTFE liner 2 comprises a PTFE sheet 5, a first PTFE film 6, a metal mesh 7 and a second PTFE film 8, the outer wall of the PTFE sheet 5 is wound with the first PTFE film 6, the outer wall of the first PTFE film 6 is wound with the metal mesh 7, the PTFE sheet 5, the first PTFE film 6, the metal mesh 7 and the second PTFE film 8 are processed, so that the defects of excessive thermal expansion and cold shrinkage of PTFE are effectively eliminated, the thermal expansion of the PTFE cold-shrink sleeve 2 is basically consistent with that of the shell 1, the strength of the PTFE liner 2 is greatly enhanced, the negative pressure resistance and high temperature resistance of the PTFE liner 2 are obviously improved, the outer wall of the metal mesh 7 is wound with the second PTFE film 8, it is connected with end cap 9 to alternate in the exhaust hole 4, end cap 9 is fixed to be set up at the middle part of baffle 10 one side, through end cap 9, baffle 10 and spring 11's use, the convenience is opened or is closed exhaust hole 4, thereby the emission of the hydrogen of being convenient for, the both ends of baffle 10 one side are all fixed and are equipped with spring 11, the one end of two springs 11 is all fixed and is set up the outer wall at shell 1, end cap 9's size and exhaust hole 4's size phase-match, end cap 9's outer wall winding is provided with rubber packing pad.
According to the illustration in fig. 3 and 5, a plurality of support rings 3 are fixedly connected with the inner wall of a PTFE liner 2 through a connecting ring 12, a plurality of correction rods 13 are screwed on one side of the support rings 3, one ends of the correction rods 13 are rotatably connected with correction plates 14, the PTFE liner 2 is supported through the support rings 3, the correction rods 13 and the correction plates 14, and the deformed PTFE liner 2 can be corrected and adjusted, so that the stability and the service life of the PTFE liner 2 are improved, first magnets are fixedly arranged on the outer wall of the correction plates 14, second magnets are magnetically connected with the first magnets, second magnets are fixedly arranged on the inner wall of the PTFE liner 2, the first magnets and the second magnets facilitate the connection between the correction plates 14 and the PTFE liner 2, a housing 1 is fixedly connected with the PTFE liner 2 through an adhesive, and the housing 1 and the PTFE liner 2 evacuate air gaps under the heating condition, after the PTFE liner 2 is fixed in the shell 1, the PTFE liner 2 is assembled in a sealing way, and then the inflation pressurization and heating plasticization shaping are carried out.
When in use, the tortoise shell net lining PTFE lining of the invention is characterized in that a layer of PTFE plate 5 with the thickness of 1.5 is firstly coated on a special mould, a plurality of layers of first PTFE films 6 are wound on the PTFE plate 5, a metal net 7 is wound on the first PTFE film 6, finally a second PTFE film 8 is wound outside the metal net 7, then the mixture is sintered and formed in a furnace at high temperature, the inner wall of the formed PTFE lining cylinder 2 is smooth, the outer surface of the PTFE lining cylinder 2 is subjected to sodium treatment, the inner surface of the shell 1 is subjected to polishing treatment to meet the requirement, the inner surface of the shell 1 is coated with a bonding agent, the PTFE lining cylinder 2 is lined in the shell 1, meanwhile, the air between the PTFE lining cylinder 2 and the shell 1 is evacuated under the heating condition, so that the PTFE lining cylinder 2 and the shell 1 are tightly bonded together, the strength of the PTFE lining cylinder 2 is improved, the negative pressure resistance and the high temperature resistance of the PTFE lining cylinder 2 are obviously improved, and the support ring 3 is fixed in the lining cylinder 2 through a connecting ring 12, the PTFE liner 2 is supported, the lining bubbling deformation of the PTFE liner 2 is avoided, if the PTFE liner deforms carelessly, the correcting rod 13 is rotated, the correcting rod 13 drives the correcting plate 14 to move, and the deformed PTFE liner 2 is restored and reset, so that the stability of the PTFE liner 2 is improved, and the service life of the PTFE liner is prolonged.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Tortoise shell net lining PTFE lining, including shell (1), its characterized in that: the PTFE liner (2) is fixedly arranged in the shell (1), a plurality of support rings (3) are symmetrically arranged on the inner wall of the PTFE liner (2), and an exhaust hole (4) is formed in one side of the shell (1).
PTFE bushing (2) includes PTFE panel (5), first PTFE film (6), metal mesh (7) and second PTFE film (8), the outer wall winding of PTFE panel (5) is provided with first PTFE film (6), the outer wall winding of first PTFE film (6) is provided with metal mesh (7), the outer wall winding of metal mesh (7) is provided with second PTFE film (8).
2. The tortoise-shell mesh lined PTFE liner of claim 1, wherein: plug (9) are inserted and connected in the exhaust hole (4), the middle part of plug (9) fixed setting in baffle (10) one side, both ends of baffle (10) one side are all fixed and are equipped with spring (11), two the outer wall of setting at shell (1) is all fixed to the one end of spring (11).
3. The tortoise-shell mesh lined PTFE liner of claim 1, wherein: the support rings (3) are fixedly connected with the inner wall of the PTFE liner (2) through connecting rings (12).
4. The tortoise-shell mesh lined PTFE liner of claim 3, wherein: one side of the support rings (3) is in threaded connection with a plurality of straightening rods (13), and one end of each straightening rod (13) is rotatably connected with a straightening plate (14).
5. The tortoise-shell mesh lined PTFE liner of claim 4, wherein: the outer wall of the plurality of correction plates (14) is fixedly provided with first magnets, the first magnets are magnetically connected with second magnets, and the second magnets are fixedly arranged on the inner wall of the PTFE liner (2).
6. The tortoise-shell mesh lined PTFE liner of claim 2, wherein: the size of end cap (9) and the size phase-match of exhaust hole (4), the outer wall winding of end cap (9) is provided with rubber seal pad.
7. The tortoise-shell mesh lined PTFE liner of claim 1, wherein: the outer shell (1) is fixedly connected with the PTFE liner (2) through an adhesive, and the outer shell (1) and the PTFE liner (2) evacuate air in gaps under the heating condition.
8. The tortoise-shell mesh lined PTFE liner of claim 1, wherein: and after the PTFE liner (2) is fixed in the shell (1), the PTFE liner (2) is assembled in a sealing way, and then the inflation pressurization and heating plasticization shaping are carried out.
CN202110208932.5A 2021-02-24 2021-02-24 Tortoise shell net lining PTFE lining Pending CN113059878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110208932.5A CN113059878A (en) 2021-02-24 2021-02-24 Tortoise shell net lining PTFE lining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110208932.5A CN113059878A (en) 2021-02-24 2021-02-24 Tortoise shell net lining PTFE lining

Publications (1)

Publication Number Publication Date
CN113059878A true CN113059878A (en) 2021-07-02

Family

ID=76558959

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Application Number Title Priority Date Filing Date
CN202110208932.5A Pending CN113059878A (en) 2021-02-24 2021-02-24 Tortoise shell net lining PTFE lining

Country Status (1)

Country Link
CN (1) CN113059878A (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038423A (en) * 1988-06-08 1990-01-03 化工部化机院氟塑料应用技术研究所 The anticorrosive PTFE product and the manufacture method thereof of band metal grill
CN1055319A (en) * 1991-04-25 1991-10-16 倪建一 Polytetrafluoroethylene (PTFE) and metal composite anticorrosive products and manufacture method
JP2000240850A (en) * 1999-02-22 2000-09-08 Sekisui Chem Co Ltd Deformation correcting device for lining pipe, and lining method for lining pipe using device thereof
US20050121858A1 (en) * 2003-02-26 2005-06-09 Oricchio Lourenco A.Jr. Support of PTFE sealing element
CN1807957A (en) * 2006-01-25 2006-07-26 赵炜 Fluorine plastic product and making method thereof
KR101213577B1 (en) * 2012-07-26 2013-01-09 (주)경동 Apparatus for reforming pipe
JP2014018828A (en) * 2012-07-18 2014-02-03 Nippon Steel & Sumikin Engineering Co Ltd Device for correcting pipe material
CN203599748U (en) * 2013-10-22 2014-05-21 重庆顾地塑胶电器有限公司 Portable pipe correction tool
CN205167531U (en) * 2015-09-18 2016-04-20 天津市坤峰管业有限公司 Tubular product orthotic devices
CN206184953U (en) * 2016-10-08 2017-05-24 安顺集团建设有限公司 Gas pipeline mouth of pipe orthotic devices
CN206283632U (en) * 2017-04-01 2017-06-27 重庆两江工业技术服务有限公司 A kind of high-strength vehicle audio amplifier cover
CN206763648U (en) * 2017-06-02 2017-12-19 中建安装工程有限公司 A kind of large diameter pipeline ovality apparatus for correcting
CN210201383U (en) * 2019-09-27 2020-03-27 杭州泰成管业有限公司 MPP pipe of external pressure resistant
CN211550784U (en) * 2020-02-24 2020-09-22 日照铸福实业有限公司 Pipe fitting shape lining device of preapring for an unfavorable turn of events
CN212168590U (en) * 2020-04-22 2020-12-18 中铁十六局集团电气化工程有限公司 Be used for groove pipeline orthotic devices
CN212251123U (en) * 2020-05-12 2020-12-29 瑞安市人民标准件有限公司 Sealing washer with inner and outer layers
CN212361075U (en) * 2020-04-21 2021-01-15 无锡伊诺特防腐设备有限公司 Anti-static chemical anti-corrosion pipeline

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038423A (en) * 1988-06-08 1990-01-03 化工部化机院氟塑料应用技术研究所 The anticorrosive PTFE product and the manufacture method thereof of band metal grill
CN1055319A (en) * 1991-04-25 1991-10-16 倪建一 Polytetrafluoroethylene (PTFE) and metal composite anticorrosive products and manufacture method
JP2000240850A (en) * 1999-02-22 2000-09-08 Sekisui Chem Co Ltd Deformation correcting device for lining pipe, and lining method for lining pipe using device thereof
US20050121858A1 (en) * 2003-02-26 2005-06-09 Oricchio Lourenco A.Jr. Support of PTFE sealing element
CN1807957A (en) * 2006-01-25 2006-07-26 赵炜 Fluorine plastic product and making method thereof
JP2014018828A (en) * 2012-07-18 2014-02-03 Nippon Steel & Sumikin Engineering Co Ltd Device for correcting pipe material
KR101213577B1 (en) * 2012-07-26 2013-01-09 (주)경동 Apparatus for reforming pipe
CN203599748U (en) * 2013-10-22 2014-05-21 重庆顾地塑胶电器有限公司 Portable pipe correction tool
CN205167531U (en) * 2015-09-18 2016-04-20 天津市坤峰管业有限公司 Tubular product orthotic devices
CN206184953U (en) * 2016-10-08 2017-05-24 安顺集团建设有限公司 Gas pipeline mouth of pipe orthotic devices
CN206283632U (en) * 2017-04-01 2017-06-27 重庆两江工业技术服务有限公司 A kind of high-strength vehicle audio amplifier cover
CN206763648U (en) * 2017-06-02 2017-12-19 中建安装工程有限公司 A kind of large diameter pipeline ovality apparatus for correcting
CN210201383U (en) * 2019-09-27 2020-03-27 杭州泰成管业有限公司 MPP pipe of external pressure resistant
CN211550784U (en) * 2020-02-24 2020-09-22 日照铸福实业有限公司 Pipe fitting shape lining device of preapring for an unfavorable turn of events
CN212361075U (en) * 2020-04-21 2021-01-15 无锡伊诺特防腐设备有限公司 Anti-static chemical anti-corrosion pipeline
CN212168590U (en) * 2020-04-22 2020-12-18 中铁十六局集团电气化工程有限公司 Be used for groove pipeline orthotic devices
CN212251123U (en) * 2020-05-12 2020-12-29 瑞安市人民标准件有限公司 Sealing washer with inner and outer layers

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