Concrete column form

Details Concrete column form Concrete column form

1987-10-19

1988-08-30

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

249 51, 249 61, 249112, 249134, E04G 1302

Patent

active

047670959

ABSTRACT:
A lightweight, concrete form having an inner elongate cylindrical member with an internal opening having a cross section to provide the desired shape for a concrete column and a layer of thin stretch film stretched about the inner member to place the inner member in compression and with the ends of the film overlapped for self-adherence.

REFERENCES:
patent: 2873503 (1959-02-01), Davis
patent: 2991533 (1961-07-01), Reid et al.
patent: 3301926 (1967-01-01), Reiland
patent: 3350049 (1967-10-01), Reiland
patent: 3751196 (1973-08-01), Cannon et al.
patent: 3959052 (1976-05-01), Stanek
patent: 4001065 (1977-01-01), Penneck et al.
patent: 4595168 (1986-06-01), Goodwin

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