Tuyere sealing means and silencer
AssigneeInspiration Consolidated Copper Company
InventorBeal H. Colvin
Life of this patent
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Abstract
A tuyere sealing means and silencer having a bell-shaped nozzle. A plurality of cutouts are included in the nozzle and receive radially movable ramp-type valve elements which are adapted to engage with a seal with the plurality of a punch rod. The valve elements are moved radially outwardly of the nozzle against the force of spring means when the punch rod is inserted through the tuyere sealing means.
Claims6
A tuyere sealing means and silencer comprising a bell-shaped nozzle, a plurality of axially extending guide slots in said nozzle, a radially movable ramp-type valve element in each said guide slot adapted to be engaged by a punch rod wherein each said valve element has an arcuate segment, a ramp segment movable in said guide slot, and an axial center segment joining said ramp segment and said arcuate segment, and spring means urging all of said valve elements inwardly towards each other.
Dependencies are inferred from the claim text.