KR940020948U - 외토압 보강용 합성수지제 나선관 - Google Patents

외토압 보강용 합성수지제 나선관

Info

Publication number
KR940020948U
KR940020948U KR2019930002323U KR930002323U KR940020948U KR 940020948 U KR940020948 U KR 940020948U KR 2019930002323 U KR2019930002323 U KR 2019930002323U KR 930002323 U KR930002323 U KR 930002323U KR 940020948 U KR940020948 U KR 940020948U
Authority
KR
South Korea
Prior art keywords
synthetic resin
external pressure
spiral pipe
pipe made
pressure reinforcement
Prior art date
Application number
KR2019930002323U
Other languages
English (en)
Other versions
KR200160241Y1 (ko
Inventor
민병이
박덕현
Original Assignee
민병이
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 민병이 filed Critical 민병이
Priority to KR2019930002323U priority Critical patent/KR200160241Y1/ko
Publication of KR940020948U publication Critical patent/KR940020948U/ko
Application granted granted Critical
Publication of KR200160241Y1 publication Critical patent/KR200160241Y1/ko

Links

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
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
KR2019930002323U 1993-02-19 1993-02-19 외토압 보강용 합성수지 제나선관 KR200160241Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930002323U KR200160241Y1 (ko) 1993-02-19 1993-02-19 외토압 보강용 합성수지 제나선관

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930002323U KR200160241Y1 (ko) 1993-02-19 1993-02-19 외토압 보강용 합성수지 제나선관

Publications (2)

Publication Number Publication Date
KR940020948U true KR940020948U (ko) 1994-09-17
KR200160241Y1 KR200160241Y1 (ko) 1999-11-01

Family

ID=19350997

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930002323U KR200160241Y1 (ko) 1993-02-19 1993-02-19 외토압 보강용 합성수지 제나선관

Country Status (1)

Country Link
KR (1) KR200160241Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101160647B1 (ko) * 2012-03-07 2012-06-29 주식회사 파이프랜드 합성수지제 프로파일관

Also Published As

Publication number Publication date
KR200160241Y1 (ko) 1999-11-01

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E701 Decision to grant or registration of patent right
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