US PATENT SUBCLASS 65 / 294
.~.~ By expansible mandrel

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

286  DF  PREFORM RESHAPING MEANS {2}
292  DF  .~ Cylindrical preform {5}
294.~.~ By expansible mandrel

DEFINITION

Classification: 65/294

(under subclass 292) Apparatus in which the reshaping means includes an internal forming spindle having means to increase its effective diameter.