Method for constructing modular pre-cast concrete buildings

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

1985-02-04

1986-08-19

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264313, 264333, B28B 130, B28B 1306

Patent

active

046068783

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: 704899 (1902-07-01), Miller
patent: 1013416 (1912-01-01), Massey
patent: 3274306 (1966-09-01), Kesting
patent: 3539146 (1970-11-01), Smith
patent: 3694531 (1972-09-01), Glass
patent: 3993720 (1976-11-01), Burdett
patent: 4272050 (1981-06-01), del Valle

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