KR890021112U - 맨홀뚜껑의 쇄정장치 - Google Patents
맨홀뚜껑의 쇄정장치Info
- Publication number
- KR890021112U KR890021112U KR2019880005684U KR880005684U KR890021112U KR 890021112 U KR890021112 U KR 890021112U KR 2019880005684 U KR2019880005684 U KR 2019880005684U KR 880005684 U KR880005684 U KR 880005684U KR 890021112 U KR890021112 U KR 890021112U
- Authority
- KR
- South Korea
- Prior art keywords
- fixing device
- manhole cover
- manhole
- cover
- fixing
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/14—Geometrical or physical properties resilient or elastic
- E02D2200/146—Springs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1607—Shapes round, e.g. circle
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880005684U KR910007031Y1 (ko) | 1988-04-20 | 1988-04-20 | 맨홀뚜껑의 쇄정장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880005684U KR910007031Y1 (ko) | 1988-04-20 | 1988-04-20 | 맨홀뚜껑의 쇄정장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890021112U true KR890021112U (ko) | 1989-11-02 |
KR910007031Y1 KR910007031Y1 (ko) | 1991-09-20 |
Family
ID=19274391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880005684U KR910007031Y1 (ko) | 1988-04-20 | 1988-04-20 | 맨홀뚜껑의 쇄정장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910007031Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100924838B1 (ko) * | 2009-05-27 | 2009-11-03 | (주)일산금속 | 맨홀뚜껑 잠금장치 |
-
1988
- 1988-04-20 KR KR2019880005684U patent/KR910007031Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910007031Y1 (ko) | 1991-09-20 |
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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: 19970528 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |