KR940020948U - 외토압 보강용 합성수지제 나선관 - Google Patents
외토압 보강용 합성수지제 나선관Info
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101160647B1 (ko) * | 2012-03-07 | 2012-06-29 | 주식회사 파이프랜드 | 합성수지제 프로파일관 |
-
1993
- 1993-02-19 KR KR2019930002323U patent/KR200160241Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR200160241Y1 (ko) | 1999-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20050419 Year of fee payment: 7 |
|
LAPS | Lapse due to unpaid annual fee |