KR920008077U - 내압합성수지 나선관 - Google Patents
내압합성수지 나선관Info
- Publication number
- KR920008077U KR920008077U KR2019900015528U KR900015528U KR920008077U KR 920008077 U KR920008077 U KR 920008077U KR 2019900015528 U KR2019900015528 U KR 2019900015528U KR 900015528 U KR900015528 U KR 900015528U KR 920008077 U KR920008077 U KR 920008077U
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- synthetic resin
- spiral tube
- resistant 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
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 |
---|---|---|---|
KR2019900015528U KR920006733Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압합성수지 나선관 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900015528U KR920006733Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압합성수지 나선관 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008077U true KR920008077U (ko) | 1992-05-19 |
KR920006733Y1 KR920006733Y1 (ko) | 1992-09-26 |
Family
ID=19304152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900015528U KR920006733Y1 (ko) | 1990-10-10 | 1990-10-10 | 내압합성수지 나선관 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920006733Y1 (ko) |
-
1990
- 1990-10-10 KR KR2019900015528U patent/KR920006733Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920006733Y1 (ko) | 1992-09-26 |
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Legal Events
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A201 | Request for examination | ||
O032 | Opposition [utility model]: request for opposition | ||
O032 | Opposition [utility model]: request for opposition | ||
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REGI | Registration of establishment | ||
J206 | Request for trial to confirm the scope of a patent right | ||
J204 | Request for invalidation trial [patent] | ||
J2X1 | Appeal (before the patent court) |
Free format text: TRIAL NUMBER: 1994200000372; INVALIDATION IN ENTIRETY Free format text: CONFIRMATION OF THE SCOPE OF RIGHT |
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J206 | Request for trial to confirm the scope of a patent right | ||
J2X1 | Appeal (before the patent court) |
Free format text: TRIAL NUMBER: 1995200000264; INVALIDATION IN ENTIRETY Free format text: INVALIDATION IN ENTIRETY |
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J2X1 | Appeal (before the patent court) |
Free format text: TRIAL NUMBER: 1996200000131; INVALIDATION IN ENTIRETY Free format text: CONFIRMATION OF THE SCOPE OF RIGHT |
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J2X2 | Appeal (before the supreme court) |
Free format text: TRIAL NUMBER: 1997300002064; APPEAL BEFORE THE SUPREME COURT FOR INVALIDATION IN ENTIRETY REQUESTED 19970707 Effective date: 19980115 Free format text: APPEAL BEFORE THE SUPREME COURT FOR INVALIDATION IN ENTIRETY REQUESTED 19970707 Effective date: 19980115 |
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FPAY | Annual fee payment |
Payment date: 19980716 Year of fee payment: 12 |
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LAPS | Lapse due to unpaid annual fee |