KR920004667U - 분해식 매립 고정관을 가진 관로구 방수관 - Google Patents
분해식 매립 고정관을 가진 관로구 방수관Info
- Publication number
- KR920004667U KR920004667U KR2019900012376U KR900012376U KR920004667U KR 920004667 U KR920004667 U KR 920004667U KR 2019900012376 U KR2019900012376 U KR 2019900012376U KR 900012376 U KR900012376 U KR 900012376U KR 920004667 U KR920004667 U KR 920004667U
- Authority
- KR
- South Korea
- Prior art keywords
- landfill
- disassembled
- fixture
- watertight pipe
- pipeline
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900012376U KR920007348Y1 (ko) | 1990-08-17 | 1990-08-17 | 분해식 매립 고정관을 가진 관로구 방수관 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900012376U KR920007348Y1 (ko) | 1990-08-17 | 1990-08-17 | 분해식 매립 고정관을 가진 관로구 방수관 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920004667U true KR920004667U (ko) | 1992-03-26 |
KR920007348Y1 KR920007348Y1 (ko) | 1992-10-12 |
Family
ID=19302262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900012376U KR920007348Y1 (ko) | 1990-08-17 | 1990-08-17 | 분해식 매립 고정관을 가진 관로구 방수관 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920007348Y1 (ko) |
-
1990
- 1990-08-17 KR KR2019900012376U patent/KR920007348Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920007348Y1 (ko) | 1992-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
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: 20001005 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |