US PATENT SUBCLASS 65 / 77
.~.~.~ With additional forming step

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}
77.~.~.~ With additional forming step {1}
78  DF  .~.~.~.~> Diverse {1}

DEFINITION

Classification: 65/77

(under subclass 68) Processes which includes a distinct and separate step of forming the product or preform; and see the Glossary for a definition of "preform".

(1) Note. Using two separate and distinct blowing pressures, or blowing at separate areas of the parison are considered plural separate and distinct glass working operations for this and indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

63, for a process of sequentially forming a glass product, reheating and reworking the product.

243+, for plural distinct glass working apparatus.