Arrangement for preventing air from reaching abutting sliding su

Details Arrangement for preventing air from reaching abutting sliding su Arrangement for preventing air from reaching abutting sliding su

1985-05-13

1986-10-28

Rutledge, L. Dewayne

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

266287, 222598, B22D 4108

Patent

active

046194444

ABSTRACT:
A rotary sliding closure unit includes stationary and rotary refractory members having respective discharge openings and fixed and rotary mounting devices for supporting the respective refractory members. The rotary member is rotated by the rotary mounting device with respect to the stationary refractory member along respective complementary abutting sliding surfaces thereof. Air is prevented from contacting the abutting sliding surfaces by an annular chamber defined between the fixed and rotary mounting devices and closed by an annular seal positioned therebetween.

REFERENCES:
patent: 4385715 (1983-05-01), Meier et al.
patent: 4480770 (1984-11-01), Goursat et al.

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