CA2080136A1 - Trench Forming Assembly and Method - Google Patents
Trench Forming Assembly and MethodInfo
- Publication number
- CA2080136A1 CA2080136A1 CA2080136A CA2080136A CA2080136A1 CA 2080136 A1 CA2080136 A1 CA 2080136A1 CA 2080136 A CA2080136 A CA 2080136A CA 2080136 A CA2080136 A CA 2080136A CA 2080136 A1 CA2080136 A1 CA 2080136A1
- Authority
- CA
- Canada
- Prior art keywords
- frame members
- trench forming
- trench
- wire strands
- forming assembly
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/50—Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
- E01C19/502—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
- E01C19/506—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes for kerbs, gutters or similar structures, e.g. raised portions, median barriers
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
- Piles And Underground Anchors (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
An assembly (10) for forming a trench (T) includes one or more frame members (16) that cooperate with a removable form (12) aroundwhich a moldable trench forming composition (C) is poured. The form is made of deformable buoyant material such as expanded polystyrene. Rebar legs (18) are attached to the frame members to provide secure anchoring of the frame members to both the ground (E) and in the trench forming composition. Preferably, each frame member includes a horizontal leg that is received in a slot (22) formed in one of the opposing sidewalls of the form. Wire strands (28) are placed within cooperating guide tracks (24) in the opposed ends of the form. The wire strands are pulled through to deform the form after the composition has hardened.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/768,610 US5281051A (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
CA002080136A CA2080136C (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
PCT/US1991/000895 WO1992013999A1 (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
US08/184,911 US5348421A (en) | 1991-02-08 | 1994-01-24 | Trench forming assembly and method |
US08/273,884 US5393171A (en) | 1991-02-08 | 1994-07-12 | Trench forming assembly and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002080136A CA2080136C (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
PCT/US1991/000895 WO1992013999A1 (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2080136A1 true CA2080136A1 (en) | 1992-08-09 |
CA2080136C CA2080136C (en) | 1999-05-11 |
Family
ID=4150516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002080136A Expired - Lifetime CA2080136C (en) | 1991-02-08 | 1991-02-08 | Trench forming assembly and method |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2080136C (en) |
-
1991
- 1991-02-08 CA CA002080136A patent/CA2080136C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2080136C (en) | 1999-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |