Buckles – buttons – clasps – etc. – Clasp – clip – support-clamp – or required component thereof – Having gripping member formed from – biased by – or mounted on...
Patent
1982-03-24
1987-02-17
Mancene, Gene
Buckles, buttons, clasps, etc.
Clasp, clip, support-clamp, or required component thereof
Having gripping member formed from, biased by, or mounted on...
52 2, 160395, 160392, E04G 1104
Patent
active
046428569
ABSTRACT:
An edge clamp assembly for an inflatable form membrane 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.
REFERENCES:
patent: 662647 (1900-11-01), Howe
patent: 2914776 (1959-12-01), Hotz
patent: 3719341 (1973-03-01), Harrington
patent: 3851848 (1974-12-01), Wiele
patent: 3975915 (1976-07-01), Haw
patent: 4158244 (1979-06-01), Stefan
patent: 4337815 (1982-07-01), Lindstrom
Mancene Gene
Weiss John G.
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