B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/145, 6/45
B22C 1/18 (2006.01) B22C 9/10 (2006.01)
Patent
CA 1158404
ABSTRACT OF THE DISCLOSURE A water soluble core comprises a mold pre- pared by a mixture of sand, potassium carbonate as a first binder and at least one of barium carbonate and alkali silicate as a second binder. This water soluble core is utilized for a method of manufacturing a cast rotor for forming ventilation ducts of an induction motor.
390484
Aiga Toshiro
Maeda Toshiaki
Fetherstonhaugh & Co.
Tokyo Shibaura Denki Kabushiki Kaisha
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