Lipped channel formwork

• US 5,205,942 A
• Filed: 06/18/1990
• Issued: 04/27/1993
• Est. Priority Date: 02/12/1987
• Status: Expired due to Fees

• Current Assignee: Leonard R. Fitzgerald
• Original Assignee: Leonard R. Fitzgerald
• Inventors: Fitzgerald, Leonard R.
• Primary Examiner(s): Woo, Jay H.
• Assistant Examiner(s): Mackey, James P.
• Application Number:
  US07/540,895
• Time in Patent Office: 1,044 Days
• Field of Search: 249/2-9, 249/13, 249/14, 249/18, 249/47, 249/163, 249/167, 249/188, 249/192, 249/208, 249/210, 249/219.1, 52/425, 52/563, 52/586, 29/467, 29/468, 403/104, 403/108, 403/347, 403/374, 403/379, 403/393, 403/397, 248/156, 248/351, 248/545, 425/59
• US Class Current: 249/3
• CPC Class Codes: E01C 19/502 Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes for forming individual elements E01C19/508; for grooves or like channels E01C23/021
• CPC Class Codes: E01C 19/504 adapted to, or provided with, means to maintain reinforcing or load transfer elements in a required position removable supports for positioning reinforcing or load transfer elements in general E01C23/045
• CPC Class Codes: E04B 2005/322 with permanent forms for the floor edges
• CPC Class Codes: E04G 13/06 for stairs, steps, cornices, balconies, or other parts corbelled out of the wall moulds for making prefabricated stair units B28B7/225; stairways with permanent forms E04F11/02
• CPC Class Codes: E04G 13/062 for stairs or steps
• CPC Class Codes: E04G 17/04 Connecting or fastening means for metallic forming or stiffening elements , e.g. for connecting metallic elements to non-metallic elements E04G17/001 takes precedence
• CPC Class Codes: E04G 17/14 Bracing or strutting arrangements for formwalls; Devices for aligning forms E04G25/00 takes precedence; connecting and aligning E04G17/04

Abstract

A formwork for concrete including a lipped channel edge form having a lipped cavity and an edge form supporting bracket. The supporting bracket having a base member with an aperture therein and an upright member which is perpendicular to the base member. The upright member includes an upper and lower slot defined between forward and rearward lip engaging lugs for securing the bracket to the edge form by inserting the bracket into the lipped cavity and twisting until a secure connection is made.

Claims

1. A formwork for concrete comprising a lipped channel edge form having upper and lower lips projecting towards one another to form a lipped cavity;

at least one edge form support bracket for supporting said edge form;

said bracket including a base member with an aperture therein and an upright member generally perpendicular to said base member;

said upright member including means for attaching said bracket to said edge form by insertion into the lipped cavity and then rotating said bracket until the attaching means securely engages both said upper and lower lips.

2. A formwork for concrete according to claim 1, wherein said form support bracket is of monolithic construction.

3. A formwork for concrete according to claim 1 wherein said attaching means includes an upper slot and a lower slot located on said upright member which cooperate with said upper and lower lip.

4. A formwork for concrete according to claim 1 including an alignment flange extending orthogonally from a forward edge of the upright member.

5. A formwork for concrete according to claim 1 wherein said attaching means includes a plurality of pairs of upper and lower slots on the upright member.

6. A formwork for concrete according to claim 1, further comprising an upper plate member extending perpendicularly from said upright member and inclined relative to said base member.

7. A formwork for concrete according to claim 3 wherein said slots include feed ramps.

8. A formwork for concrete according to claim 1 wherein said bracket further includes a stiffening lip extending upwardly on said base member.

9. A formwork for concrete according to claim 1 wherein said bracket includes alignment means for aligning a front edge of said upright member in the lipped cavity.