Metal founding – Means to shape metallic material – Including means to assemble mold parts
Patent
1977-11-14
1979-04-10
Simpson, Othell M.
Metal founding
Means to shape metallic material
Including means to assemble mold parts
164343, 164303, 164347, B22D 1726, B22D 3304, B22D 1722
Patent
active
041483537
ABSTRACT:
A casting device with a mold section attached to a fixed platen, a mold section attached to a movable platen, a drive unit to move the movable platen in relation to the fixed platen, coupling rods connecting the movable platen to the fixed platen when the two mold sections have fully or closely approached each other and hydraulic pressure mechanisms capable of closing completely the mold sections, and keeping them closed, against the high internal injection pressure. Each platen, on the side removed from the mold sections, is provided with a rigid frame and with a number of hydraulic rams, together forming the above-mentioned hydraulic pressure mechanism, distributed between the platen and its rigid frame and the coupling rods are disconnectably connected with the circumference of both rigid frames so as to connect these frames with compressive stress or tensile strength by means of the double-acting rams, when the mold sections have fully or closely approached each other.
REFERENCES:
patent: 2916768 (1959-12-01), Quere et al.
patent: 3104433 (1959-11-01), Hoern
patent: 3434528 (1969-03-01), McGeeney
patent: 3811811 (1974-05-01), Horl
Lin K. Y.
Simpson Othell M.
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