Method and apparatus for pressing and contact toughening glass s

Details Method and apparatus for pressing and contact toughening glass s Method and apparatus for pressing and contact toughening glass s

1993-09-08

1995-02-07

Woodard, Joye L.

Glass manufacturing

Processes

With measuring, sensing, inspecting, indicating, or testing

65104, 65158, 65159, 65268, C03B 2303, C03B 27004

Patent

active

053872703

ABSTRACT:
A production installation for the contact toughening of glass sheets comprises a horizontal furnace for heating the glass sheets, a press containing two liquid-cooled pressing plates, a feed apparatus for transferring the heated glass sheets into the press and a removal apparatus for removing the toughened glass sheets out of the press. To the lower pressing plate, a solids-transmitted sound pick-up is coupled which, if a glass sheet breaks in the press, supplies an electrical signal. From this signal, after suitable processing of the signal, the control device is triggered, and as a result thereof interrupts the process sequence.

REFERENCES:
patent: 3846106 (1974-11-01), Seymour
patent: 4233048 (1980-11-01), Gintert
patent: 4666491 (1987-05-01), Ehre
patent: 4983205 (1991-01-01), Kuster et al.

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