E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/73
E04G 11/00 (2006.01) E04B 2/86 (2006.01) E04G 11/08 (2006.01)
Patent
CA 1145584
ABSTRACT OF THE DISCLOSURE This invention is directed to a novel concrete forming system wherein the forms remain in place as part of the permanent concrete installation, and a method of making the forms. The concrete form unit useful for providing a a concrete form and remaining in place as part of the permanent in place concrete structure comprises: (a) a four-sided planar form (b) a plurality of interconnecting ribs spacially disposed on one side of the form; (c) a plurality of cross-ties perpendicularly protruding from the side of the form opposite the side having the ribs thereon, the cross-ties extending from locations on the sidewall opposite each point of intersection of the ribs on the opposite side of the sidewall; (d) the end regions of the ribs on at least one side of the form terminating short of the edge of the form on that side; (e) the end regions of the ribs on at least another side of the form extending slightly beyond the end regions of the form; and (f) a pluralty of holes penetrating through the width of the form spacially disposed around the circumference of the form.
376449
Myhres Tito F.e.
Oyen Wiggs Green & Mutala Llp
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