US PATENT SUBCLASS 72 / 155
.~.~ And means to urge wiper toward form surface

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

127  DF  BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) {11}
149  DF  .~ By use of work-contacting wiper and moving, work-holding form {9}
155.~.~ And means to urge wiper toward form surface

DEFINITION

Classification: 72/155

And means to urge wiper toward form surface:

(under subclass 149) Subject matter including means for biasing the wiper toward the form.

(1) Note. The terms "wiper" and "form" are defined in the definition and notes of subclass 149.

(2) Note. A patent disclosing a wiper, the position of which is adjusted before deflection, but unchanged during

deflection, will not be placed in this or indented subclasses. See subclass 158 for such adjustable wiper.

(3) Note. Included in this subclass (155) are patents disclosing, for example, lever means, hydraulic means, or spring means as the blasting force.