Method and apparatus for conducting heat to a glass sheet

Details Method and apparatus for conducting heat to a glass sheet Method and apparatus for conducting heat to a glass sheet

2007-11-06

2007-11-06

Lopez, Carlos (Department: 1731)

Glass manufacturing

Processes

Glass preform treating

C065S273000, C065S356000

Reexamination Certificate

active

10483179

ABSTRACT:
Method for transferring heat onto a glass in the furnace meant for heat treatment of glass, into which glass is transferred on a path of rollers, furnace heated by resistors (5) located inside of the furnace, the radiation heat directed onto the glass and convection heat transferred by means of a blower and air onto the glass. In the method the glass being heated and roller space (8) are separated by a wall (9) from air circulation space (3, 7), by means of blowers the air circulation is arranged to heat above and/or below the glass by means of the first chamber (7) and second chamber (3), wherein air is sucked by the blower from the first chamber and blowed into the second chamber, wherein air circulation is conducted from the vicinity of the glass and from roller space (8) through an opening in the wall (9) into vertical channels (7C2) and further into the first chamber and chamber the glass is directed onto the glass through nozzles (6).

REFERENCES:
patent: 3326654 (1967-06-01), Plumat
patent: 3351687 (1967-11-01), Thome et al.
patent: 3581679 (1971-06-01), Jansen et al.
patent: 4534780 (1985-08-01), Cemin
patent: 5195673 (1993-03-01), Irish et al.
patent: 5368624 (1994-11-01), Lehto et al.
patent: 6470711 (2002-10-01), Jarvinen et al.
patent: 1 050 731 (2000-11-01), None

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