Static structures (e.g. – buildings) – With synthetic resinous component – Foam
Patent
1988-12-09
1990-02-20
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
With synthetic resinous component
Foam
52426, 52562, 249 9, 249216, E04B 200
Patent
active
049014943
ABSTRACT:
A collapsible forming system for hardenable material is provided which includes at least one form unit having a pair of wall panels adjustable between operative and inoperative modes. The wall panels, when in either mode, are interconnected by a grid assembly. When the wall panels are in an operative mode, they are disposed in an upright spaced relation, and when in an inoperative mode, the wall panels are disposed in a proximate face to face relation. The grid assembly includes a first section which is disposed intermediate the panels and spans the distance therebetween when the panels are in an operative mode. The grid assembly also includes a pair of second sections which are disposed adjacent exterior surfaces of said wall panels when the latter are in either mode. Each second section has a first segment engaging the adjacent wall panel exterior surface and second segments projecting laterally from the first segment and extending into corresponding holes formed in the adjacent wall panel and having portions thereof protruding from the wall panel interior surface. The protruding portions are interlockingly engaged by portions of the grid assembly first section. The interlocking portions form pivotal connections having one upright axis adjacent the interior surface of one wall panel and a second upright axis adjacent the interior surface of the second wall panel of the pair.
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patent: 871390 (1907-11-01), Dietrichs
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Miller Brian J.
Turner David W.
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