DK44691A - DEVICE FOR FRAME COVER FRAME - Google Patents
DEVICE FOR FRAME COVER FRAME Download PDFInfo
- Publication number
- DK44691A DK44691A DK044691A DK44691A DK44691A DK 44691 A DK44691 A DK 44691A DK 044691 A DK044691 A DK 044691A DK 44691 A DK44691 A DK 44691A DK 44691 A DK44691 A DK 44691A
- Authority
- DK
- Denmark
- Prior art keywords
- frame
- cover
- ribs
- depressions
- interact
- 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)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Body Structure For Vehicles (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Sewage (AREA)
- Closures For Containers (AREA)
- Wing Frames And Configurations (AREA)
- Projection Apparatus (AREA)
Abstract
Rotation lock for well cover in a frame consisting of one or more locking devices 8 in the form of depressions or mutually separate ribs arranged in pairs, which ribs are arranged to interact with a resilient lock mechanism 6 and a projection 9 on this to prevent the cover 3 from rotating within the frame 2. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO901228A NO177577B (en) | 1990-03-16 | 1990-03-16 | Device by frame for cowl lid |
NO901228 | 1990-03-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK44691D0 DK44691D0 (en) | 1991-03-12 |
DK44691A true DK44691A (en) | 1991-09-17 |
DK172425B1 DK172425B1 (en) | 1998-06-08 |
Family
ID=19892998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK199100446A DK172425B1 (en) | 1990-03-16 | 1991-03-12 | Well cover frame device |
Country Status (3)
Country | Link |
---|---|
DK (1) | DK172425B1 (en) |
NO (1) | NO177577B (en) |
SE (1) | SE502935C2 (en) |
-
1990
- 1990-03-16 NO NO901228A patent/NO177577B/en unknown
-
1991
- 1991-03-11 SE SE9100728A patent/SE502935C2/en not_active IP Right Cessation
- 1991-03-12 DK DK199100446A patent/DK172425B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO901228L (en) | 1991-09-17 |
DK172425B1 (en) | 1998-06-08 |
SE9100728L (en) | 1991-09-17 |
SE9100728D0 (en) | 1991-03-11 |
SE502935C2 (en) | 1996-02-26 |
DK44691D0 (en) | 1991-03-12 |
NO177577B (en) | 1995-07-03 |
NO901228D0 (en) | 1990-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PPF | Opposition filed | ||
PUG | Patent revoked |