US PATENT SUBCLASS 73 / 806
.~.~ Varied according to predetermined pattern

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

760  DF  SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION {12}
788  DF  .~ By loading of specimen (e.g., strength of material test) {16}
806.~.~ Varied according to predetermined pattern {4}
807  DF  .~.~.~> Applied directly by fluid pressure
808  DF  .~.~.~> Repetitive {7}
816  DF  .~.~.~> Hydraulic or pneumatic actuation
817  DF  .~.~.~> Motor driven actuating screw

DEFINITION

Classification: 73/806

Varied according to predetermined pattern:

(under subclass 788) Subject matter wherein the load is automatically varied as a function of time upon operation of the loading device.

(1) Note. Included herein are devices characterized as varying the rate of change of the loading.

(2) Note. Included herein are devices sequentially testing plural specimens.