Dispensing – Molten metal dispensing – Flow controllers or assists
Patent
1985-09-09
1987-04-28
Rolla, Joseph J.
Dispensing
Molten metal dispensing
Flow controllers or assists
266271, B22D 4108, C21C 548
Patent
active
046607498
ABSTRACT:
A sliding nozzle apparatus for a molten metal holding vessel including a fixed nozzle member and a fixed plate therefor which are supported by an upper or fixed bracket secured to the vessel, and a movable nozzle member and a slidable plate therefor which are supported by a lower or movable bracket having one edge hinged to the upper bracket, while its opposite edge remote from its hinged connection to the upper bracket is removably connectable to the upper bracket to bring the slidable plate into contact with the fixed plate. A first set of coil springs are located adjacent to the edge of the lower bracket at which it is hinged to the upper bracket, and a second set of coil springs are located adjacent to the opposite edge of the lower bracket. The first set of coil springs are deflected to a greater degree than the second set of coil springs, or are, in other words, preloaded differently from the second set of springs.
REFERENCES:
patent: 4116372 (1978-02-01), Horiguchi et al.
patent: 4189073 (1980-02-01), Lothmann
patent: 4253647 (1981-03-01), Andres
Taira Toshimitsu
Tsuyuguchi Koji
Yokoi Nobuyuki
Kurosaki Refractories Co. Ltd.
Pedersen Nils
Rolla Joseph J.
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