KR920008075U - 내압 합성수지 나선관 - Google Patents
내압 합성수지 나선관Info
- Publication number
- KR920008075U KR920008075U KR2019900015526U KR900015526U KR920008075U KR 920008075 U KR920008075 U KR 920008075U KR 2019900015526 U KR2019900015526 U KR 2019900015526U KR 900015526 U KR900015526 U KR 900015526U KR 920008075 U KR920008075 U KR 920008075U
- Authority
- KR
- South Korea
- Prior art keywords
- synthetic resin
- internal pressure
- spiral tube
- pressure synthetic
- resin spiral
- 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
- F16L9/14—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900015526U KR920006731Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압 합성수지 나선관 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900015526U KR920006731Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압 합성수지 나선관 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008075U true KR920008075U (ko) | 1992-05-19 |
KR920006731Y1 KR920006731Y1 (ko) | 1992-09-26 |
Family
ID=19304149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900015526U KR920006731Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압 합성수지 나선관 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920006731Y1 (ko) |
-
1990
- 1990-10-10 KR KR2019900015526U patent/KR920006731Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920006731Y1 (ko) | 1992-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
O032 | Opposition [utility model]: request for opposition | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20040923 Year of fee payment: 13 |
|
EXPY | Expiration of term |