US PATENT SUBCLASS 425 / 57
.~.~.~.~ Internal support held in assembly by cam or wedge means

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

28.1  DF  RESHAPING, RESIZING OR VULCANIZING MEANS FOR TIRE, TIRE TUBE, OR DRIVE BELT {9}
49  DF  .~ Internal mold, form or support for toroid {4}
54  DF  .~.~ Sectional {1}
55  DF  .~.~.~ Removable portion {2}
57.~.~.~.~ Internal support held in assembly by cam or wedge means

DEFINITION

Classification: 425/57

(under subclass 55) Apparatus comprising cams or wedges to

secure the plural support sections in assemble relationship.