Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By means inverting mold
Patent
1988-12-20
1990-01-02
Housel, James C.
Plastic article or earthenware shaping or treating: apparatus
Shaping surface including means to release or remove product...
By means inverting mold
249 27, 249 63, 249 98, 249137, 249152, 249180, 249184, 249194, 425438, E04G 1102, B28B 708
Patent
active
048909998
ABSTRACT:
A molding machine for casting a concrete product includes a stationary support system, a rotatable apparatus and a pair of bearings supporting the rotatable apparatus on the stationary support system. The rotatable apparatus rotates 180 degrees between an upward position and a downward position. The rotatable apparatus includes a mold having a configuration form, exterior wall-forming panel, interior wall-forming panels, and interior corner-forming panels, all of which hang from corresponding trolleys which ride on corresponding rails to form the walls of the concrete product when all of the panels are against the product's configuration form. Further included is a floor panel which cooperates with the interior wall-forming panels and the interior corner-forming panels and is supported thereon by an internal structure. The floor panel, the interior wall-forming panels, and interior corner-forming panels are positioned below the exterior wall-forming panels and spaced therefrom to contain the concrete therein. In order to reduce the curing time for the concrete in the mold, the molding machine includes a hoisting system and a transporter that cooperates in the unloading of the product from the mold. The hoisting system is fixed to the bottom of the rotatable apparatus. The transporter is pinned to exterior wall-forming panels by moveable pins that must be removed before the mold is moved into the discharge position to discharge the product from the mold. The pins also hold the transporter to the mold while the mold is being rotated between the upward and downward position.
REFERENCES:
patent: 2903177 (1959-09-01), Mitchell
patent: 3196513 (1965-07-01), Parma
patent: 3853452 (1974-12-01), Del Monte
patent: 4560335 (1985-12-01), Cordova et al.
Genca Samuel R.
Housel James C.
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