CA2052962A1 - Manhole cover frames or the like - Google Patents
Manhole cover frames or the likeInfo
- Publication number
- CA2052962A1 CA2052962A1 CA 2052962 CA2052962A CA2052962A1 CA 2052962 A1 CA2052962 A1 CA 2052962A1 CA 2052962 CA2052962 CA 2052962 CA 2052962 A CA2052962 A CA 2052962A CA 2052962 A1 CA2052962 A1 CA 2052962A1
- Authority
- CA
- Canada
- Prior art keywords
- frame
- manhole
- pipe
- skirt
- designed
- 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
Landscapes
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Improvement in a so-called "floating frame" for manhole covers or the like. The frame (1) comprises a radially outwardly extending flange (2) designed to be placed flush with the surface of the road or the like in which the manhole or the like is disposed, and a skirt (3) designed to extend axially into the upper part of the manhole, formed by e.g. a concrete pipe (4) or into an elongation of such pipe. In order to determine the frame level with respect to the wall pipe (4) and/or for visual inspection of the condition or quality of the surface material in which the frame floats, the frame (1) is provided with at least one aperture or cut-out (5, 15, 16) in the frame skirt (3), the frame flange (2) and/or the cover seating (2') in the frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2052962 CA2052962C (en) | 1991-10-08 | 1991-10-08 | Manhole cover frames or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2052962 CA2052962C (en) | 1991-10-08 | 1991-10-08 | Manhole cover frames or the like |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2052962A1 true CA2052962A1 (en) | 1993-04-09 |
CA2052962C CA2052962C (en) | 2000-06-13 |
Family
ID=4148525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2052962 Expired - Fee Related CA2052962C (en) | 1991-10-08 | 1991-10-08 | Manhole cover frames or the like |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2052962C (en) |
-
1991
- 1991-10-08 CA CA 2052962 patent/CA2052962C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2052962C (en) | 2000-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |