Static molds – Core – Including means for attaching core to a support
Patent
1989-07-27
1991-03-12
Housel, James C.
Static molds
Core
Including means for attaching core to a support
249 39, 249 43, 249 63, 249153, 249179, 249183, E04G 1506
Patent
active
049987054
ABSTRACT:
An apparatus for forming voids in concrete which includes baseplates secured to a wood supporting deck or form for a concrete floor by a plurality of removable screws and a removalbe sleeve attached to each baseplate and having a height generally equal to the thickness of the floor with the upper end of the sleeve being accessible and observable when concrete is poured. After the baseplates have been secured in place, various subsequent work procedures may be carried out without the workers encountering obstructions that would exist if upwardly projecting cavity forming members were attached to the wood deck. A sleeve is then attached to each baseplate immediately prior to pouring concrete. After the concrete has been poured and set, the sleeves are detached from the baseplates and removed. The wood deck can then be stripped from the bottom of the concrete floor and the baseplates removed for reuse.
REFERENCES:
patent: 2234784 (1941-03-01), Stolz
patent: 2698855 (1961-01-01), Stolz
patent: 3414951 (1968-12-01), Schulze
patent: 4427173 (1984-01-01), MacKay
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