Form for casting stepped openings

Details Form for casting stepped openings Form for casting stepped openings

1977-11-30

1979-06-26

McQuade, John

Static molds

Including destructible feature

249 39, 249 94, 249184, 425DIG33, B28B 730

Patent

active

041590988

ABSTRACT:
A form for casting stepped openings in concrete walls, the form having four elongated form members arranged in a rectangle, each form member having outer casting surfaces thereon to form one side of the opening. A corner piece at each corner of the form engages the ends of the form members thereat and completes the casting surfaces thereof, the corner pieces and form members being shaped to allow translatory movement of the form members away from the sides of the opening cast thereby so that the form members may be removed from the opening. Selected of the form members have recesses in the casting surface thereof for reception of hardware to be cast into the wall, the hardware being held in the recesses by magnets.

REFERENCES:
patent: 916705 (1909-03-01), Hill et al.
patent: 1247784 (1917-11-01), Baumgardner
patent: 2643418 (1953-06-01), Auldridge
patent: 2770013 (1956-11-01), Crooker
patent: 3439732 (1969-04-01), Andreoli
patent: 3439894 (1969-04-01), Haider

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