US PATENT SUBCLASS 451 / 87
.~.~ Having particle recovery means

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
75  DF  .~ Sandblast {13}
87.~.~ Having particle recovery means {1}
88  DF  .~.~.~> And separation means

DEFINITION

Classification: 451/87

Having particle recovery means:

(under subclass 75) Abrading machine provided with means to retrieve abrading particles subsequent to the abrading operation.

(1) Note. The sand or abrasive material may be mixed with workpiece particles generated by the abrading operation.