E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
72/98
E04C 3/20 (2006.01) B28B 19/00 (2006.01) B28B 23/04 (2006.01) E01D 2/02 (2006.01) E04B 5/29 (2006.01) E04C 3/294 (2006.01)
Patent
CA 1185805
ABSTRACT A new method of forming a composite pre-stressed structural member of the type having an upper molded surface supported by a lower support member is provided. In this method, a lower support member is connected to the upper side of a mold so that deflection of the mold causes a parallel deflection of the support merger. With the lower support member connected to the upper side of the mold, support member shear connector means extend downwardly into the mold. The connected mold and support member are supported so that deflection of the mold and support member can occur. Following connection of the support member to the mold and supporting them so that deflection can occur, the mold is filled with moldable material which hardens to form a composite structural member with the lower support member. During hardening of the moldable material, the mold is deflected so that the support member is placed in a stressed condition to form a composite, pre-stressed structural member upon hardening of the moldable material.
411450
Keith & Grossman Leasing Company
Ridout & Maybee Llp
LandOfFree
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