US PATENT SUBCLASS 65 / 88
.~.~.~ Vertically drawing upwardly while applying fluid internally of stock

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

17.1  DF  PROCESSES {32}
66  DF  .~ Forming product or preform from molten glass {7}
86  DF  .~.~ Drawing and simultaneously forming hollow stock from molten glass {2}
88.~.~.~ Vertically drawing upwardly while applying fluid internally of stock

DEFINITION

Classification: 65/88

(under subclass 86) Processes in which the drawing is vertically upwardly with simultaneously injecting fluid internally of the stock.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188+, for means drawing a tube vertically upward.