Title:
LIFTING AND CLAMPING FORMWORK
Document Type and Number:
WIPO Patent Application WO2001006075
Kind Code:
A3
Abstract:
A concrete form panel (25) has a non-removable lifting claim (31) with one end attached to an anchor pin (28). The pin does not protrude from an upper peripheral rib (15) which extends outwardly from the form panel. The other end of the chain (36) is adapted to engage with a lifting hook of a crane. The length of the chain is such that the lifting angle is approximately 60 DEG . Also disclosed is a clamping assembly to clamp form panels together. The clamping assembly comprises an elongate locking channel which is fitted over abutting elongate ribs (17, 18) on adjacent panels to lock the ribs together.
Inventors:
RAE-SMITH CLIFFORD JOHN (AU)
Application Number:
PCT/AU2000/000779
Publication Date:
September 12, 2002
Filing Date:
June 30, 2000
Export Citation:
Assignee:
CONCRETE FORM HIRE PTY LTD (AU)
RAE-SMITH CLIFFORD JOHN (AU)
RAE-SMITH CLIFFORD JOHN (AU)
International Classes:
E04G11/06; E04G17/04; E04G19/00; (IPC1-7): E04G15/00; B28B21/82; B28B21/90; E04G17/00; E04G19/00
Foreign References:
| SE8602457A | ||||
| JPH07310321A | 1995-11-28 |
Other References:
DATABASE WPI Derwent World Patents Index; Class P64, AN 1987-071148/10
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