Slide action inside corner form

Details Slide action inside corner form Slide action inside corner form

1984-02-06

1986-02-18

Woo, Jay H.

Static molds

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

Forming building structure

249152, 249180, 249184, 249194, B28B 730

Patent

active

045708967

ABSTRACT:
A concrete form unit for casting an inside corner structure has a pair of form panels disposed generally perpendicular to each other and an elongated corner member disposed between spaced adjoining edges of such panels with an actuator having relatively movable parts including a first part connected to the midsection of a yoke and a second part connected to the corner member. The ends of the yoke are guidingly connected to the form panels, respectively, and the adjoining edges of the form panels are guidingly coupled to opposite sides of the corner member by slidingly interengaging surfaces, these surfaces defining a tapered wedge where the corner member mates with the adjoining edges of the form panels.

REFERENCES:
patent: 2827683 (1958-03-01), Benart et al.
patent: 3476351 (1969-11-01), Burdett
patent: 3570802 (1971-03-01), Miller
patent: 3841596 (1974-10-01), Cull
patent: 3844526 (1974-10-01), McCracken
patent: 3934808 (1976-01-01), Alzawa
patent: 3989439 (1976-11-01), Schmitzberger
patent: 4088296 (1978-05-01), Armas
patent: 4252291 (1981-02-01), Armas
patent: 4447035 (1984-05-01), Ivey et al.

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