Method and apparatus for filling the inner space of semifinished

Details Method and apparatus for filling the inner space of semifinished Method and apparatus for filling the inner space of semifinished

1990-10-15

1992-05-05

Lindsay, Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 322, 65152, 65270, 141 4, 141 59, C03B 2324, B65B 3104

Patent

active

051103370

ABSTRACT:
For filling the inner space of an insulating glass panel (1) with argon, one glass pane is maintained at a distance from the spacer frame in the region of one corner (2) during pressing of the insulating glass panel (1), by holding this glass pane at a spacing from the spacer frame by pivoting of a portion (12) of the press plate (11), with the aid of suction cups (19, 20) provided at this portion (12). Through the thus-formed gap, a probe (4) for feeding argon and a probe (5) for exhausting air from the inner space of the insulating glass panel are introduced. The probe (4) blowing argon into the inner space is oriented in parallel to the lower horizontal leg of the insulating glass panel (1), and the other probe (5), exhausting air and/or air-argon mixture, exhibits an orifice pointing obliquely upwardly, i.e. away from the other probe (4). Thereby, insulating glass panels (1) can be produced with a filling of the inner space other than air without having to drill holes into the spacer frame, the gas exchange proceeding in such a way that argon is intermixed to an only quite limited extent with the air displaced from the inner space.

REFERENCES:
patent: 2756467 (1956-07-01), Etling
patent: 3683974 (1972-08-01), Stewart et al.
patent: 3811484 (1974-05-01), Engelbrecht
patent: 4061163 (1977-12-01), Decker et al.
patent: 4450660 (1984-05-01), Dean et al.
patent: 4827992 (1989-05-01), Morsky et al.
patent: 4921022 (1990-05-01), Lisec

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