US PATENT SUBCLASS 65 / 25.1
.~.~ Providing a gaseous layer between glass and apparatus


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

17.1  DF  PROCESSES {32}
24  DF  .~ Utilizing parting or lubricating layer {2}
25.1.~.~ Providing a gaseous layer between glass and apparatus {1}
25.2  DF  .~.~.~> Sheet {2}


DEFINITION

Classification: 65/25.1

Providing a gaseous layer between glass and apparatus:

(under subclass 24) Processes in which the parting or lubricating layer is a gaseous fluid between the glass and the apparatus.

(1) Note. The gaseous fluid may be formed by vaporization of a liquid between the glass stock, and see the search notes thereunder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182, for apparatus including a fluid support for the glass stock, and see the search notes thereunder.