Process and apparatus to cut laminated glass

Details Process and apparatus to cut laminated glass Process and apparatus to cut laminated glass

1993-10-28

1995-12-12

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912158, 21912167, 21912182, 225 935, 225 965, 83455, B23K 1000, B23K 2610

Patent

active

054751969

ABSTRACT:
Laminated glass is grooved on both sides, bent first to one and then to the other side, and during the second bending process, the two parts of the laminated glass are pulled apart. The thus stretched film is melted by a plasma jet directed in the gap formed by the bending process, which is moved over the entire length of the gap. The apparatus to perform the process comprises two platelike supports (1, 2) for laminated glass (10) to be cut, of which at least one can swivel back and forth around an axis (4) running in impact area (3) between two supports (1, 2), and with clamping apparatuss to immobilize the laminated glass on the supports. On their lower edges, supports (1, 2) have conveying elements (5, 6) for laminated glass (10) and clamping apparatus (13, 14) to immobilize laminated glass (10). Further, a plasma torch (15) is provided, which has an outlet (30) for the plasma jet directed to impact area (3) between supports (1, 2), and the plasma torch is guided on a guide rail oriented parallel to the axis.

REFERENCES:
patent: 1731820 (1929-10-01), Lewis
patent: 1738229 (1929-12-01), Campbell et al.
patent: 3679863 (1972-07-01), Houldcroft et al.
patent: 4471895 (1984-09-01), Lisec, Jr.
patent: 4552290 (1985-11-01), Szostak
patent: 4558622 (1985-12-01), Tausheck
patent: 5272311 (1993-12-01), Gilli et al.
patent: 5297710 (1994-03-01), Juras

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