Appeal No. 95-1724
Application No. 08/011,604
nozzle assembly in the refining chamber for the injection of
sparging gas into the body of molten aluminum therein, whereby
said baffle means serves to change the flow pattern of the
body of molten aluminum within the refining chamber upon the
use thereof for refining operations so as to enable higher gas
flows and/or nozzle rotating speeds to be employed without
excessive surface turbulence of said molten aluminum, thereby
enabling increased refining rates to be achieved in said
refining chamber.
The references relied upon by the examiner as evidence of
obviousness are:
Heuer 2,290,961 Jul. 28,
1942
Bruno et al. (Bruno) 3,839,019 Oct. 1,
1974
Szekely 3,870,511 Mar. 11,
1975
Ivanov et al. (Ivanov) 4,526,761 Jul. 2,
1985
The examiner has advanced on this appeal the following
rejections under 35 U.S.C. § 103:
Claims 1, 2, 4 through 8 and 15 over Heuer;
Claims 1 through 5, 7 through 13, 15 and 16 over Szekely;
Claims 1 through 5 and 7 through 15 over Bruno; and
3
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
Last modified: November 3, 2007