Unitary hot sprue bushing

Details Unitary hot sprue bushing Unitary hot sprue bushing

1988-10-31

1992-03-24

Dunkins, Bruce W.

Machines not elsewhere specified

Material working, abrading, or founding machinery

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Patent

active

D03248704

REFERENCES:
patent: D255577 (1980-06-01), Dahlquist
patent: 4273525 (1981-06-01), Reitan
patent: 4492555 (1985-01-01), Schultz
patent: 4517453 (1985-05-01), Tsutsumi
patent: 4666396 (1987-05-01), Shaw
patent: 4740151 (1988-04-01), Schmidt et al.

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