US PATENT SUBCLASS 156 / 415
.~.~.~ Axially or widthwise adjustable or collapsible

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

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
394.1  DF  .~ Tire body building type {14}
414  DF  .~.~ Building drums, per se {3}
415.~.~.~ Axially or widthwise adjustable or collapsible

DEFINITION

Classification: 156/415

(under subclass 414) Apparatus which includes means to vary the width of the peripheral surface of the drum in a direction parallel to its axis of rotation which change of width may also result in a change in the diameter of the drum.