Patent ID: 6679936
Filing Date: 2004-01-20
Classification: C22B,F27D

Abstract:
A molten metal fluxing apparatus for vertical plunging into a body of molten metal comprising:A) an inverted plunger cup having a top, a peripheral wall, an open bottom and an interior; B) a passage in said top for the admission of a fluxing gas into said interior; C) a plurality of apertures in said peripheral wall that permit escape of said fluxing gas from said interior when said inverted cup is immersed in a body of molten metal; and D) a porous disc in said top between said top and said interior and having an outer periphery, said porous disc receiving fluxing gas from said passage and permitting a first portion of said fluxing gas to escape about said outer periphery and allowing passage of a second portion of said fluxing gas into said interior.