Hinged rotary nozzle
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United States of America Patent
Stats
-
Mar 25, 1986
Issued Date -
N/A
app pub date -
Nov 2, 1984
filing date -
Apr 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary nozzle engageable with the pouring nozzle of a ladle that contains molten metal for transporting or pouring purposes, or in the flow passage of a converter so as to allow the outflow of molten metal. The rotary nozzle includes a fixed plate brick, a fixed plate supporting frame, a rotor mounted on the outer periphery of the supporting frame by way of a bearing, and a sliding plate supporting frame holding a sliding plate brick secured to the rotor by means of a hinge so that it can be hingedly opened and closed. Hooks and spring means are carried by the sliding plate supporting frame to thereby prevent lowering of the sliding plate brick and to securely fasten the sliding plate supporting frame to the rotor. Cooperating lugs are carried by a door frame and by the sliding plate supporting frame and hydraulic jacks serve to draw the lugs together to maintain the door frame and the sliding plate supporting frame together when the hooks are released.
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