Dispensing – With flow controller or closure – Reciprocatory
Patent
1974-09-13
1976-05-25
Reeves, Robert B.
Dispensing
With flow controller or closure
Reciprocatory
251319, B22D 4110
Patent
active
039587304
ABSTRACT:
A stopper plug apparatus for bottom pour ladles, fabricated from heat resistant ceramic and comprising a four-part stopper rod plug assembly which is joined together with refractory cement.
REFERENCES:
patent: 280618 (1883-07-01), Haws
patent: 3044132 (1962-07-01), Murton
patent: 3415427 (1968-12-01), Sharp
Burt Pamela S.
Reeves Robert B.
Scherbel David A.
Weiner Irving M.
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