US PATENT SUBCLASS 156 / 104
.~.~.~ With air evacuation between laminae

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
99  DF  .~.~ Optically transparent glass sandwich making (e.g., window or filter) {8}
104.~.~.~ With air evacuation between laminae

DEFINITION

Classification: 156/104

(under subclass 99) Processes including the step of removing air from between the contacting faces of the glass laminae.

(1) Note. The air is removed usually by vacuum treatment and for the purpose of perfecting the bond between the glass lamina and interlayer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286, for similar processes without regard to composition of the lamina.

382, for laminating apparatus including means for enclosing work in an evacuated chamber.

SEE OR SEARCH CLASS

65, Glass Manufacturing, 34, for a process of glassworking which includes the step of sealing off of a gas evacuating opening, and subclass 270 for glassworking apparatus including means for glass envelope tipping off with or without exhausting means.