TOP Russian patent published in 1998 - IPC

Abstract RU 2104117 C1

FIELD: used in producing by bottom casting of killed steel casting. SUBSTANCE: top is made with upper plane having through hole accommodating membrane made from material broken down at the moment of filling of the upper third of casting with capacity sufficient for the gases accumulating between upper plane of body and metal surface in discard head required for plugging the casting. EFFECT: higher efficiency. 6 dwg, 1 tbl

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RU 2 104 117 C1

Authors

Antipov B.F.

Matveevskij G.A.

Mazurin V.V.

Rudnev V.V.

Kostsov S.V.

Demin Ju.S.

Dates

1998-02-10—Published

1996-12-19—Filed