F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/105, 25/135,
F27D 3/16 (2006.01) B22D 1/00 (2006.01) C21C 5/48 (2006.01) C22B 9/05 (2006.01)
Patent
CA 1200095
Gas blowing nozzle, and production and usage thereof ABSTRACT OF THE DISCLOSURE Gas blowing nozzle is produced by moulding non-porous substance into a moulding frame under pressure and at the same time positioning a plurality of gas passage forming members in determined spaces eath other. The passage holes have shape in cross section as determined so that the gas blowing may be exactly controlled to perform required refining operation of the molten metal. - 1 -
404455
Hammyo Masayuki
Hasegawa Teruyuki
Hiraga Noriyuki
Kimura Narito
Nimura Youichi
Marcoux & Sher Swabey Mitchell Houle
Nippon Kokan Kabushiki Kaisha
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