US PATENT SUBCLASS 65 / 73
.~.~.~.~ By suction from upper surface of "pool"

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  DF  .~.~ Initial forming of hollow product or preform in mold cavity {6}
72  DF  .~.~.~ With charging of mold cavity {3}
73.~.~.~.~ By suction from upper surface of "pool" {1}
74  DF  .~.~.~.~.~> With sequential blowing in charged cavity

DEFINITION

Classification: 65/73

(under subclass 72) Processes comprising charging by creating a reduced air pressure within the mold cavity while the mold is in contact with the upper surface of a supply.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124, for a process of suction gathering molten glass from an upper surface of a glass pool into a mold cavity not including a positive shaping step.

125, for a process including suction gathering in which the suction is usually applied within a suction gatherer which functions to transfer the charge therein to a mold cavity.

210+, for gob charging and shape imparting receptacle means which include a suction gatherer movably mounted above a supply of molten glass.