US PATENT SUBCLASS 65 / 66
.~ Forming product or preform from molten glass

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

17.1  DF  PROCESSES {32}
66.~ Forming product or preform from molten glass {7}
67  DF  .~.~> Converting sheet to hollow product or hollow product to sheet
68  DF  .~.~> Initial forming of hollow product or preform in mold cavity {6}
82  DF  .~.~> Reshaping of hot parison in mold cavity to form hollow article
83  DF  .~.~> With positive cooling of product or molten glass at forming area {2}
86  DF  .~.~> Drawing and simultaneously forming hollow stock from molten glass {2}
89  DF  .~.~> Forming hollow stock by surface filming
90  DF  .~.~> Sheet {7}

DEFINITION

Classification: 65/66

(under subclass 17.1) Processes which include a step of (1) forming a glass product or preform from a molten glass composition, and/or (2) reshaping of the preform (e.g., a parison) while still soft from its residual heat of formation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102+, for a process of reshaping of a glass preform which requires a reheating prior to reshaping.

300+, for apparatus for blowing a glass charge not confined by mold means.

SEE OR SEARCH CLASS

72, Metal Deforming,

253.1+, for extrusion of metal through an orifice.