Document Type and Number:
Japanese Patent JPS526420
Kind Code:
B2
Abstract:
The impeller wheel has a very desirable rigidity by reason of the fact that the shell of the impeller wheel is provided with an annular support member welded to its periphery, and that each blade of the impeller wheel is welded, at its rib, to the shell.
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Application Number:
JP281773A
Publication Date:
February 22, 1977
Filing Date:
December 30, 1972
Export Citation:
International Classes:
F16D33/18; F16H41/28; F16H41/24; (IPC1-7): F16H41/28
Next Patent: SEQUENTIAL PRINTING TYPE WIRE DOT PRINTER