Apparatus for forming a concrete feed bunk

Details Apparatus for forming a concrete feed bunk Apparatus for forming a concrete feed bunk

1975-01-06

1976-08-24

Husar, Francis S.

Static molds

Container-type molding device

And an inner removable core to form recess or opening

249162, B28B 716

Patent

active

039762769

ABSTRACT:
A concrete feed bunk is formed and cured in a series of like dimensionally stable yet expansible multi-surfaced molds. Each mold is separated from a cured concrete portion of the bunk formed by such mold by a first step of automatically splitting the concrete from the mold along vertically extending surfaces of juncture and along horizontally extending surfaces of juncture of mold and cured concrete followed by a second step of raising and concurrently expanding the mold to avoid damage to the cured concrete mass. A novel degree of rigidity of moving mold wall parts provides for the uniformity of the splitting action and surface characteristics of final concrete product and the mold structure provides for automatic and reliable dimensions of the cured concrete mass and rapid operation.

REFERENCES:
patent: 736586 (1903-08-01), Dougherty
patent: 786367 (1905-04-01), Landis
patent: 939059 (1909-11-01), Morris
patent: 1322784 (1919-11-01), Greuloch
patent: 1337074 (1920-04-01), Jester
patent: 1447283 (1923-03-01), Davis
patent: 2548343 (1951-04-01), Brown
patent: 3303545 (1967-02-01), Heitzman
patent: 3595514 (1971-07-01), Sanders
patent: 3743232 (1973-07-01), Vaughan

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