Apparatus for constructing modular pre-cast concrete buildings

Details Apparatus for constructing modular pre-cast concrete buildings Apparatus for constructing modular pre-cast concrete buildings

1983-05-31

1985-05-28

Parrish, John A.

Static molds

Including means to apply force to remove or release product...

249144, 249152, 249156, B28B 710

Patent

active

045195684

ABSTRACT:
An apparatus for constructing a unitary pre-cast concrete modular building unit comprising: a collapsible outer form having a rigid rectangular base and rigid walls pivotally connected thereto and collapsible to the plane of said base; a hydraulically retractable inner form thus providing with the outer form, a mold for said building unit; and an extruder for removing said inner form from said building unit.

REFERENCES:
patent: 2948044 (1960-08-01), Dawson
patent: 3260494 (1966-07-01), Deigard
patent: 3539146 (1970-11-01), Smith
patent: 3867503 (1975-02-01), Shoe
patent: 4243198 (1981-01-01), Beretta

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