GB2181474B - Self-locking manhole cover - Google Patents
Self-locking manhole coverInfo
- Publication number
- GB2181474B GB2181474B GB08622677A GB8622677A GB2181474B GB 2181474 B GB2181474 B GB 2181474B GB 08622677 A GB08622677 A GB 08622677A GB 8622677 A GB8622677 A GB 8622677A GB 2181474 B GB2181474 B GB 2181474B
- Authority
- GB
- United Kingdom
- Prior art keywords
- self
- manhole cover
- locking manhole
- locking
- cover
- 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.)
- Expired
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)
- Motor Or Generator Frames (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO850359A NO160455C (en) | 1985-01-30 | 1985-01-30 | Device for automatic locking and locking of the cowl lid |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8622677D0 GB8622677D0 (en) | 1986-10-22 |
GB2181474A GB2181474A (en) | 1987-04-23 |
GB2181474B true GB2181474B (en) | 1988-08-03 |
Family
ID=19888087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08622677A Expired GB2181474B (en) | 1985-01-30 | 1986-01-29 | Self-locking manhole cover |
Country Status (7)
Country | Link |
---|---|
DE (2) | DE3690048T (en) |
DK (1) | DK154519C (en) |
FI (1) | FI83983C (en) |
GB (1) | GB2181474B (en) |
NO (1) | NO160455C (en) |
SE (1) | SE450713C (en) |
WO (1) | WO1986004624A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0280872B1 (en) * | 1987-02-02 | 1992-07-01 | Von Roll Ag | Device for securing a cover closing an opening |
GB2218054A (en) * | 1988-05-06 | 1989-11-08 | George Watkins | Removable aperture closing plate |
GB8907060D0 (en) * | 1989-03-29 | 1989-05-10 | Craig Philip | Chamber and method of making same,liner and cover therefor |
DE3925317A1 (en) * | 1989-07-31 | 1991-02-07 | Dallmer Gmbh & Co | FLOOR DRAIN |
FR2667889A1 (en) * | 1990-10-15 | 1992-04-17 | Pont A Mousson | (EN) PAVEMENT LOOP BUFFER, LOOK COMPRISING THIS BUFFER AND LOCKING RING FOR SUCH A BUFFER. |
GB2265649B (en) * | 1992-04-02 | 1996-03-13 | Colin Edward Staggs | A manhole cover |
NZ247626A (en) * | 1992-05-18 | 1994-12-22 | Grahame George Kermonde | Manhole or pit cover secured by spring latch arms retained under compression |
DE20204108U1 (en) * | 2002-03-14 | 2003-07-24 | Hydrotec Technologies GmbH & Co. KG, 27793 Wildeshausen | Cover of a manhole cover and manhole cover |
WO2004085754A1 (en) | 2003-03-25 | 2004-10-07 | Aco Severin Ahlmann Gmbh & Co. Kg | Cover arrangement |
DE10356168B4 (en) * | 2003-12-02 | 2007-04-12 | Aco Severin Ahlmann Gmbh & Co. Kg | Manhole cover with lifting protection |
CN107675726A (en) * | 2016-08-01 | 2018-02-09 | 先源开 | A kind of synchronous adjustable safety inspection well cover |
RU2702791C1 (en) * | 2018-12-13 | 2019-10-11 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Manhole cover with retainer and damping lining of manhole cover |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1693190A (en) * | 1925-08-29 | 1928-11-27 | Elsa D Theobald Guenther | Manhole cover |
US1988360A (en) * | 1932-10-28 | 1935-01-15 | Lenape Hydraulic Pressing & Fo | Manhole frame cover |
GB521309A (en) * | 1938-11-15 | 1940-05-17 | Augustine Joseph Hartley | Improvements in cast iron covers and frames for gullies, manholes, hydrants and the like openings in roads or footpaths |
US2535275A (en) * | 1946-01-28 | 1950-12-26 | Dixon Frank Thomas | Manhole lid clamp |
DE820553C (en) * | 1948-10-02 | 1951-11-12 | Daimler Benz Ag | Door lock |
DE7029833U (en) * | 1970-08-07 | 1970-12-17 | Passavant Werke | LOCKABLE MANHOLE COVER. |
US4142329A (en) * | 1977-10-25 | 1979-03-06 | Williams Robert C | Catch basin grate and receiving frame locking assembly |
SE416483B (en) * | 1978-08-25 | 1981-01-05 | Varnesforetagen Ab Tierps Jern | Cover device for a manhole, a gutter inlet or the like |
NL7905854A (en) * | 1979-07-30 | 1981-02-03 | Raatjes Egbertus Sijbolt | COVER. |
GB2085946A (en) * | 1980-10-17 | 1982-05-06 | British Steel Corp | Locking manhole covers and gully grids |
GB2119836A (en) * | 1982-01-29 | 1983-11-23 | Brickhouse Dudley Mfg | Manhole cover or grating and frame assemblies |
SE436050B (en) * | 1983-03-22 | 1984-11-05 | Uponor Ab | Locking apparatus for drain cover |
-
1985
- 1985-01-30 NO NO850359A patent/NO160455C/en not_active IP Right Cessation
-
1986
- 1986-01-29 DE DE19863690048 patent/DE3690048T/de active Pending
- 1986-01-29 DE DE3690048A patent/DE3690048C2/en not_active Expired - Lifetime
- 1986-01-29 GB GB08622677A patent/GB2181474B/en not_active Expired
- 1986-01-29 WO PCT/NO1986/000008 patent/WO1986004624A1/en active IP Right Grant
- 1986-09-25 SE SE8604068A patent/SE450713C/en not_active IP Right Cessation
- 1986-09-26 FI FI863887A patent/FI83983C/en not_active IP Right Cessation
- 1986-09-26 DK DK460886A patent/DK154519C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB8622677D0 (en) | 1986-10-22 |
SE8604068L (en) | 1986-09-25 |
FI863887A (en) | 1986-09-26 |
FI83983B (en) | 1991-06-14 |
DK460886D0 (en) | 1986-09-26 |
DK154519B (en) | 1988-11-21 |
NO160455B (en) | 1989-01-09 |
NO850359L (en) | 1986-07-31 |
DE3690048C2 (en) | 1996-03-28 |
GB2181474A (en) | 1987-04-23 |
SE8604068D0 (en) | 1986-09-25 |
SE450713B (en) | 1987-07-20 |
DK154519C (en) | 1989-04-10 |
SE450713C (en) | 1991-06-25 |
FI863887A0 (en) | 1986-09-26 |
FI83983C (en) | 1991-09-25 |
DK460886A (en) | 1986-09-26 |
NO160455C (en) | 1995-04-25 |
WO1986004624A1 (en) | 1986-08-14 |
DE3690048T (en) | 1987-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20060128 |