Sliding gate valve with orifice-encircling spring

Details Sliding gate valve with orifice-encircling spring Sliding gate valve with orifice-encircling spring

1980-01-24

1982-11-09

Scherbel, David A.

Dispensing

Molten metal dispensing

Flow controllers or assists

222512, B22D 4108

Patent

active

043580343

ABSTRACT:
Apparatus for applying a clamping force to slide gate valve plates to prevent leakage of molten metal therebetween. The apparatus applies the force uniformly about the annulus of the orifice of the plates and at a location close to the orifice itself, thus providing more effective clamping of the parts together. The apparatus may be either an annular mechanical spring mounted about the orifice of the plates or an annular chamber filled with gas under pressure.

REFERENCES:
patent: 3604603 (1971-09-01), Grosko et al.
patent: 3926406 (1975-12-01), Hind
patent: 4076153 (1978-02-01), Tinnes
patent: 4189073 (1980-02-01), Lothmann
patent: 4294437 (1981-10-01), Sawada et al.
Berry, W. R., Spring Design, a Practical Treatment; Emmott & Co., Ltd. 1961, pp. 239-243
Chironis, N. P., Spring Design and Application; McGraw-Hill, 1961 pp. 178-180.

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