US PATENT SUBCLASS 72 / 8.9
.~.~.~.~ 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}
6.2  DF  .~ Metal deforming by use of roller or roller-like tool element {8}
8.1  DF  .~.~ Including plural sensors or sensor responsive to comparison between plural conditions {3}
8.3  DF  .~.~.~ Sensing work or product (e.g., by X-ray) {6}
8.9.~.~.~.~ Sensing cross sectional dimension {2}
9.1  DF  .~.~.~.~.~> Sensing flatness (e.g., crown)
9.2  DF  .~.~.~.~.~> Sensing thickness {2}

DEFINITION

Classification: 72/8.9

Sensing cross sectional dimension:

(under subclass 8.3) 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+, 11.6+, 12.7+, 15.5, 16.8+, 18.6+, and 19.6+, for other sensing of cross sectional dimension of work or product.