US PATENT SUBCLASS 65 / 68
.~.~ Initial forming of hollow product or preform in mold cavity

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}
68.~.~ Initial forming of hollow product or preform in mold cavity {6}
69  DF  .~.~.~> With annealing or tempering
70  DF  .~.~.~> With severing of formed product
71  DF  .~.~.~> Spreading of molten glass by rotation
72  DF  .~.~.~> With charging of mold cavity {3}
77  DF  .~.~.~> With additional forming step {1}
81  DF  .~.~.~> By differential gas pressure

DEFINITION

Classification: 65/68

(under subclass 66) Processes in which (1) the forming initially occurs in a mold cavity, and (2) the product or preform is hollow.

(1) Note. For the scope of the term "mold cavity" see (1) Note subclass 47 of this class.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261+, for a blow means with blow mold.

305+, for a press molding machine.