Patent ID: 7097724

Claim:
A method for fabricating an integrated sash insulating glass unit, comprising: providing a sash frame having a first mounting surface for a first glazing pane and a second mounting surface for mounting a second glazing pane substantially parallel to said first glazing pane, said first and second mounting surfaces being spaced apart to provide an insulating space between said first and second glazing panes with an evacuation opening communicating with said insulating space; adhesively mounting said first glazing pane to said first mounting surface and said second glazing pane to said second mounting surface; allowing air to exhaust through said evacuation opening as said insulating space is formed between said glazing panes; temporarily drawing a vacuum from said evacuation opening to draw the first and second glazing panes closer together after the panes have been mounted on their respective mounting surfaces; and releasing the vacuum after the glazing panes have been drawn together by a desired amount.