US PATENT SUBCLASS 72 / 18.6
.~.~.~ Sensing cross sectional dimension

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

6.1  DF  WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {7}
17.3  DF  .~ Sensing work or product (e.g., by X-ray) {6}
18.1  DF  .~.~ Including plural sensors or sensor responsive to plural conditions {6}
18.6.~.~.~ Sensing cross sectional dimension {2}
18.7  DF  .~.~.~.~> Sensing flatness (e.g., crown)
18.8  DF  .~.~.~.~> Sensing thickness

DEFINITION

Classification: 72/18.6

Sensing cross sectional dimension:

(under subclass 18.1) Subject matter including moving the work in a given direction, and detecting the extent of the work at right angles to such direction.

(1) Note. This subclass includes patents disclosing the measurement of work thickness by electrostatic, magnetic, or radiant energy (e.g., "X-ray") detecting means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7.6+, 8.9+, 11.6+, 12.7+, 15.5, 16.8+, and 19.6+, for other sensing of cross sectional dimension of work or product.