Process for forming concrete structures and stripping concrete f

Details Process for forming concrete structures and stripping concrete f Process for forming concrete structures and stripping concrete f

1989-06-23

1991-07-02

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

249 33, 249112, 2491141, 249183, 264313, 264334, B28B 736, B28B 1306, B29C 4142, E04G 1106

Patent

active

050283642

ABSTRACT:
A process for forming a concrete wall having a projecting portion such as those formed at a door, windows or the like, including installing two spaced apart opposite form boards which confine a cavity for receiving concrete, one of which has a groove for forming the projecting portion, lining the wall segments with a cushion member which is made of a flexible and compressible material, pouring concrete into the cavity, and moving simultaneously the form board from the formed concrete in a direction similar to the direction of the projecting portion utilizing a hydraulic drive mechanism.

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