US PATENT SUBCLASS 451 / 2
.~ Condition responsive control for sandblasting


Current as of: June, 1999
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451 /   HD   ABRADING

1  DF  PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL {7}
2.~ Condition responsive control for sandblasting {1}
3  DF  .~.~> Cyclic control


DEFINITION

Classification: 451/2

Condition responsive control for sandblasting:

(under subclass 1) Subject matter, as set forth in the (2)

Note, including use of means to propel a stream of fluent abrasive material to effect the abrading operation.

(1) Note. The stream may be propelled either by a compressed fluid (i.e., a gas or a liquid), a magnetic field, or a mechanical centrifugal device.

(2) Note. The fluent abrasive material herein may be sand or any other particulate material that will perform in like manner when propelled against a workpiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38+, for a sandblasting process without condition responsive control.

75+, for a sandblasting apparatus without a condition responsive control means.