E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/63
E04G 11/04 (2006.01)
Patent
CA 1188904
CLAMP ASSEMBLY FOR INFLATABLE MEMBRANE CONCRETE FORM Abstract of the Disclosure An edge clamp assembly for an inflatable form mem- brane used in erection of a concrete shell comprises a steel channel having an internal width W mounted at the base of the shell with the longitudinal opening of the channel facing upwardly; a guide lip on one channel leg projects a short distance over the channel opening, A first rectangular wood rail is wrapped in an edge portion of the membrane and inserted into the channel, fitting loosely into the bottom of the channel; a second rectangular wood rail having a width just slightly smaller than W is inserted into the top of the channel, tightly filling the channel opening immediately below the guide lip and releasably clamping both rails and the edge portion of the membrane into the channel.
421031
Harrington Horrall
Macrae & Co.
LandOfFree
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