Process of manufacturing spacer frames for glass panes and metho

Details Process of manufacturing spacer frames for glass panes and metho Process of manufacturing spacer frames for glass panes and metho

1984-12-18

1987-04-28

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

406128, 406137, 406146, 29517, 72369, B23P 1700, B65G 5346

Patent

active

046602712

ABSTRACT:
In a process of manufacturing a spacer frame for a perimeter-bonded insulating glass pane, a metal tubular bar is filled with a granular desiccant and is subsequently bent in each corner-forming portion about an axis which is at right angles to two parallel cheeks of the bar. The two cheeks are drilled through in each of said corner-forming portions to form two bores and a small quantity of the granular desiccant is removed from each of said corner-forming portions through at least one of said bores therein before said corner-forming portion is bent.

REFERENCES:
patent: 3810302 (1974-05-01), Broers
patent: 3841138 (1974-10-01), Zinnbauer
patent: 3964289 (1976-06-01), Williamson, Jr.
patent: 4336645 (1982-06-01), Bucci

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