Static molds – Core – Including means to expand or contract core
Patent
1976-10-29
1978-05-09
Husar, Francis S.
Static molds
Core
Including means to expand or contract core
249 27, 249152, 249184, B28B 730
Patent
active
040882969
ABSTRACT:
Apparatus and method for molding generally cubical building modules of concrete, the apparatus comprising both internal and external movably mounted molding components and preferably including mechanisms for advancing the components into molding position and for withdrawing the components from the molding position upon completion of the molding of a module. The method involves the use of such molding components and contemplates certain sequences in the advancement and withdrawal of the molding components for different portions of the modules.
REFERENCES:
patent: 2524981 (1950-10-01), Tourneau
patent: 2827683 (1958-03-01), Benart et al.
patent: 3205552 (1965-09-01), Johnson et al.
patent: 3558095 (1971-01-01), McNiel
patent: 3614054 (1971-10-01), Beasly
patent: 3814374 (1974-06-01), Beemer et al.
patent: 3934808 (1976-01-01), Aizawa
Husar Francis S.
McQuade John
Synnestvedt Kenneth P.
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