NL7800076A - LOCK FOR A WELL COVER OR THE LIKE. - Google Patents
LOCK FOR A WELL COVER OR THE LIKE.Info
- Publication number
- NL7800076A NL7800076A NL7800076A NL7800076A NL7800076A NL 7800076 A NL7800076 A NL 7800076A NL 7800076 A NL7800076 A NL 7800076A NL 7800076 A NL7800076 A NL 7800076A NL 7800076 A NL7800076 A NL 7800076A
- Authority
- NL
- Netherlands
- Prior art keywords
- lock
- well cover
- cover
- well
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700650A FR2376919A1 (en) | 1977-01-05 | 1977-01-05 | LOCKING DEVICE FOR PAVEMENT MANIFOLD OR OTHER |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7800076A true NL7800076A (en) | 1978-07-07 |
Family
ID=9185351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7800076A NL7800076A (en) | 1977-01-05 | 1978-01-03 | LOCK FOR A WELL COVER OR THE LIKE. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH615970A5 (en) |
DE (1) | DE2756511A1 (en) |
FR (1) | FR2376919A1 (en) |
GB (1) | GB1551909A (en) |
NL (1) | NL7800076A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2780996A1 (en) * | 1998-07-10 | 2000-01-14 | Norinco | DEVICE FOR LOCKING AND UNLOCKING WITH A KEY OF A BUFFER ON A FRAME |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570106B2 (en) * | 1984-09-12 | 1986-12-19 | Dumortier Robert | LOCKING DEVICE FOR PAVEMENT OF LOAD |
DE3537956A1 (en) * | 1985-10-25 | 1987-05-07 | Albert Stewing | Manhole cover in particular for cable manholes |
DE3546530A1 (en) * | 1985-10-25 | 1987-05-21 | Albert Stewing | Device for securing a manhole cover |
JPS63187738U (en) * | 1987-05-26 | 1988-12-01 | ||
NL8900378A (en) * | 1989-02-16 | 1990-09-17 | Ocra Bv | ADVERTISING COVER. |
GB2270342B (en) * | 1992-08-03 | 1996-05-15 | Fort Vale Eng Ltd | Securing assembly for a manlid |
FR2897881B1 (en) * | 2006-02-28 | 2008-04-11 | Saint Gobain Pam Sa | FRAME AND CORRESPONDING ROAD DEVICE. |
FR2957109A1 (en) * | 2010-03-03 | 2011-09-09 | Fond De Brousseval Et Montreuil | LATCHING / UNLOCKING DEVICE WITH IMPROVED INVIOLABILITY AND ITS BUFFER KEY AND OPENING FOUNDRY PART |
CN113530368B (en) * | 2021-08-30 | 2023-03-21 | 泉州博超实业有限公司 | Rotary lock for manhole cover |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1165804A (en) * | 1915-03-25 | 1915-12-28 | Quigley Furnace And Foundry Co | Manhole-cover fastening. |
GB196070A (en) * | 1922-01-13 | 1923-04-13 | Edward Montague Edwards | Improvements in or relating to manhole covers and frames |
US1684983A (en) * | 1927-11-26 | 1928-09-18 | Horace W Clark | Box or casing cover with fastener |
US2693100A (en) * | 1950-06-06 | 1954-11-02 | Charles B Wiegel | Safety manhole cover lock |
-
1977
- 1977-01-05 FR FR7700650A patent/FR2376919A1/en active Granted
- 1977-12-12 CH CH1518977A patent/CH615970A5/en not_active IP Right Cessation
- 1977-12-19 DE DE19772756511 patent/DE2756511A1/en not_active Withdrawn
-
1978
- 1978-01-03 NL NL7800076A patent/NL7800076A/en not_active Application Discontinuation
- 1978-01-04 GB GB18978A patent/GB1551909A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2780996A1 (en) * | 1998-07-10 | 2000-01-14 | Norinco | DEVICE FOR LOCKING AND UNLOCKING WITH A KEY OF A BUFFER ON A FRAME |
WO2000003097A1 (en) * | 1998-07-10 | 2000-01-20 | Norinco | Closing device with selective locking |
Also Published As
Publication number | Publication date |
---|---|
DE2756511A1 (en) | 1978-07-06 |
CH615970A5 (en) | 1980-02-29 |
FR2376919A1 (en) | 1978-08-04 |
FR2376919B1 (en) | 1982-07-23 |
GB1551909A (en) | 1979-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed | ||
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |