Projection molten impeller for concave section used in apparatus

Coating apparatus – Projection or spray type – Inside of hollow work

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118311, 118323, 118DIG16, 23922211, 264 30, 264 35, 264269, 264309, 425 12, 425 13, 427236, 427426, 427427, B05B 302, B05B 706, B05D 102, F27D 116

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052598802

ABSTRACT:
An impeller as used in a projecting construction apparatus for a concave section of a molten-metal-discharging hole is supported on a rotating shaft for redirecting flow of impinging projection material. The impeller includes a plurality of vanes which are attached to the rotating shaft with a specified twisting angle relative to the rotating shaft. A material supplying pipe is directed upon the plurality of vanes, so that, upon impingement of the projection material upon the plurality of vanes, the projection material is projected outwardly and in a direction nearly opposite to the predetermined direction of impingement of the projection material supplied through the material-supplying pipe.

REFERENCES:
patent: 3034729 (1962-05-01), Gray et al.
patent: 4023781 (1977-05-01), Fritz et al.
patent: 4199084 (1980-04-01), Baungartner et al.
patent: 4217079 (1980-08-01), Smith et al.
patent: 4440350 (1984-04-01), Dietz et al.
patent: 4532885 (1985-08-01), Nunlist

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