System for making sand molds each having associated therewith a

Details System for making sand molds each having associated therewith a System for making sand molds each having associated therewith a

1976-11-10

1978-03-21

Husar, Francis S.

Metal founding

Process

Shaping a forming surface

164137, 164186, 164227, 164340, 425468, B22C 1312, B22C 2500

Patent

active

040797740

ABSTRACT:
A system for making sand molds each having associated therewith a core member composed of a core element or a network of core elements is disclosed. The system includes a machine for making and depositing onto a conveyor, mold sections having joint faces in engagement to form a string of closed-up mold sections. Each mold section has a mold cavity defined in its joint face. A core making machine is positioned adjacent the string of closed-up mold sections and include at least two core box sections, each having a joint face and being arranged for mating of their joint faces for molding a core member therebetween. One of the core box sections retains the mold core member when the faces of the core box sections are parted. The core box section is placed into an orientation such that its joint face is parallel with the exposed face of the last mold section. A core mask is provided for fetching the core member from the core box section and transferring the core member to the last mold section. Translatory means are provided for moving the core mask between a core picking up position where it engages with the core box section while its joint face is parallel with the exposed joint face of the last mold section, and a core delivery position where it engages the exposed joint face of the last mold.

REFERENCES:
patent: 3327767 (1967-06-01), Wallwork
patent: 3424229 (1969-01-01), Gunnergaard et al.
patent: 3802485 (1974-04-01), Popov et al.

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