US PATENT SUBCLASS 65 / 30.14
.~.~.~ To temper or strengthen the glass

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

17.1  DF  PROCESSES {32}
30.1  DF  .~ With chemically reactive treatment of glass preform {4}
30.13  DF  .~.~ With metal ion penetrating into glass (i.e., ion exchange) {1}
30.14.~.~.~ To temper or strengthen the glass

DEFINITION

Classification: 65/30.14

To temper or strengthen the glass:

(under subclass 30.13) Processes wherein the ion exchange process is for the purpose of altering the temper or strength of the glass.

(1) Note. Such processes are sometimes referred to as chemical tempering.

SEE OR SEARCH THIS CLASS, SUBCLASS:

114, for tempering in a bath of liquid or solids with no specific disclosure of ion exchange occurring.