US PATENT SUBCLASS 29 / 23.51
IMPELLER MAKING APPARATUS

Current as of: June, 1999
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29 /   HD   METAL WORKING

23.51IMPELLER MAKING APPARATUS

DEFINITION

Classification: 29/23.51

IMPELLER MAKING APPARATUS:

Machines or tool for manufacturing a rotor for a turbine, fan, pump, etc.

(1) Note. A conveyor screw is considered to be an "impeller".

SEE OR SEARCH THIS CLASS, SUBCLASS:

889+, for a process of manufacturing an impeller.

SEE OR SEARCH CLASS

72, Metal Deforming,

367.1+, for a method of making or reshaping a metallic tubular member, generally.

198, Conveyors: Power-Driven, 657+, for a screw type conveyor.

415, Rotary Kinetic Fluid Motors or Pumps,

71+, for a runner having a spirally arranged blade or fluid passage.

416, Fluid Reaction Surfaces (i.e., impellers), for an impeller, per se.