Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-11-20
1988-10-25
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156109, 156145, 156286, 156292, 156382, 156497, B32B 3100, B65H 2920
Patent
active
047801646
ABSTRACT:
The inventon relates to a method of producing a plurality of multi-pane insulating glass assemblies in which the assemblies are formed into a self-supporting unit for further fabrication. Each assembly is provided with at least one exteriorly accessible opening, and the assemblies, supporting one another in surface-to-surface contact, are moved along a conveyor as a unit into a vacuum chamber. Vacuum is drawn on the unit to evacuate each interpane space, following which a gas having coefficient of thermal conductivity lower than that of air is introduced into the chamber to fill the interpane spaces of the glass assemblies. The assemblies as a unit are then conveyed out of the vacuum chamber and the exteriorly accessible openings are sealed. During the evacuation and refilling steps, the glass assemblies are maintained in a generally vertical orientation, and each glass assembly is supported by a neighboring assembly against undue bowing of the glass panes due to pressure differentials between the interior of the vacuum chamber and the interpane spaces.
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O'Shaughnessy Roger
Rueckheim Eric W.
Cardinal IG Company
Davis J.
Dawson Robert A.
Haller James R.
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