Core holding structure for molds

Details Core holding structure for molds Core holding structure for molds

1975-07-25

1977-08-09

Husar, Francis S.

Static molds

Container-type molding device

Of named component

249149, 249146, 249177, B22C 924, B28B 732

Patent

active

040405974

ABSTRACT:
A core holding structure for molds and method of making same. A hollow bushing is locked within a mold so positioned with respect to a cavity in the mold that a rod-like core may be mounted on the bushing to provide a bore for hollow members such as spouts used in the continuous casting of metals. The bushing effects proper spacing of the core from the walls of the mold so that the wall thickness of the finished article is controlled. The mold may be made from a single member or it may be made from a multiple piece mold. Special knock out plate members are used in connection with the one-piece molds to extend the life thereof.

REFERENCES:
patent: 763333 (1904-06-01), Stevens
patent: 1727343 (1929-09-01), Guyot
patent: 2299710 (1942-10-01), Dray
patent: 3058156 (1962-10-01), O'Connor
patent: 3285835 (1966-11-01), Farrow
patent: 3355772 (1967-12-01), Kolberg
patent: 3576050 (1971-04-01), Thomas
patent: 3773875 (1973-11-01), Lammers

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