US PATENT SUBCLASS 156 / 416
.~.~.~ Resilient and/or inflatable core

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}
416.~.~.~ Resilient and/or inflatable core

DEFINITION

Classification: 156/416

(under subclass 414) Apparatus in which the drum is either formed of impervious expansible or deformable material and adapted to have fluid applied to its interior under pressure to increase drum diameter or the drum is made of deformable material and adapted to temporarily change its shape as a result of an external force.