JPH01138981U - - Google Patents
Info
- Publication number
- JPH01138981U JPH01138981U JP2856488U JP2856488U JPH01138981U JP H01138981 U JPH01138981 U JP H01138981U JP 2856488 U JP2856488 U JP 2856488U JP 2856488 U JP2856488 U JP 2856488U JP H01138981 U JPH01138981 U JP H01138981U
- Authority
- JP
- Japan
- Prior art keywords
- grating
- locking piece
- outer locking
- engaging pieces
- connector according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000639 Spring steel Inorganic materials 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
Landscapes
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988028564U JPH053585Y2 (en, 2012) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988028564U JPH053585Y2 (en, 2012) | 1988-03-03 | 1988-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01138981U true JPH01138981U (en, 2012) | 1989-09-22 |
JPH053585Y2 JPH053585Y2 (en, 2012) | 1993-01-28 |
Family
ID=31252039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988028564U Expired - Lifetime JPH053585Y2 (en, 2012) | 1988-03-03 | 1988-03-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH053585Y2 (en, 2012) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784266B1 (ko) * | 2006-04-27 | 2007-12-11 | 지운용 | 트랜치용 트랜치커버 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62172790U (en, 2012) * | 1986-04-22 | 1987-11-02 | ||
JPS6327588U (en, 2012) * | 1986-08-07 | 1988-02-23 |
-
1988
- 1988-03-03 JP JP1988028564U patent/JPH053585Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62172790U (en, 2012) * | 1986-04-22 | 1987-11-02 | ||
JPS6327588U (en, 2012) * | 1986-08-07 | 1988-02-23 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784266B1 (ko) * | 2006-04-27 | 2007-12-11 | 지운용 | 트랜치용 트랜치커버 |
Also Published As
Publication number | Publication date |
---|---|
JPH053585Y2 (en, 2012) | 1993-01-28 |