US PATENT SUBCLASS 156 / 138
.~.~.~ Forming grooves on inner surface

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
137  DF  .~.~ Flexible endless drive belt making {2}
138.~.~.~ Forming grooves on inner surface

DEFINITION

Classification: 156/138

(under subclass 137) Processes which include the step of providing the surface of the endless belt, which contacts the means to be driven, with channels, recesses or corrugations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

257, and 268, for laminating processes combined with the step of cutting a groove in a lamina or laminated article.

510+, for laminating apparatus combined with cutting means.

SEE OR SEARCH CLASS

83, Cutting,

13, for processes of cutting a groove in a material.