KR920012514U - 내압 나선관 - Google Patents
내압 나선관Info
- Publication number
- KR920012514U KR920012514U KR2019900022542U KR900022542U KR920012514U KR 920012514 U KR920012514 U KR 920012514U KR 2019900022542 U KR2019900022542 U KR 2019900022542U KR 900022542 U KR900022542 U KR 900022542U KR 920012514 U KR920012514 U KR 920012514U
- Authority
- KR
- South Korea
- Prior art keywords
- internal pressure
- spiral tube
- pressure spiral
- tube
- internal
- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/112—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements embedded in the wall
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 |
---|---|---|---|
KR2019900022542U KR920006735Y1 (ko) | 1990-12-31 | 1990-12-31 | 내압 나선관 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900022542U KR920006735Y1 (ko) | 1990-12-31 | 1990-12-31 | 내압 나선관 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920012514U true KR920012514U (ko) | 1992-07-25 |
KR920006735Y1 KR920006735Y1 (ko) | 1992-09-26 |
Family
ID=19309034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900022542U KR920006735Y1 (ko) | 1990-12-31 | 1990-12-31 | 내압 나선관 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920006735Y1 (ko) |
-
1990
- 1990-12-31 KR KR2019900022542U patent/KR920006735Y1/ko active Pre-grant Review Request
Also Published As
Publication number | Publication date |
---|---|
KR920006735Y1 (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 | ||
J2X1 | Appeal (before the patent court) |
Free format text: TRIAL NUMBER: 1993201000953; APPEAL AGAINST DECISION TO DECLINE REFUSAL Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |