Glass tempering furnaces and systems

Details Glass tempering furnaces and systems Glass tempering furnaces and systems

1979-05-29

1981-10-27

Kellogg, Arthur D.

Glass manufacturing

Product cooling means

65273, 65350, 65351, 198790, C03B 2700

Patent

active

042971217

ABSTRACT:
A roller hearth glass tempering furnace having a roller track supporting the endless conveyor drive belts, and adjustable locators for conveyor roller spacing. The heating zone size conforms substantially to the size of the glass article being treated. The glass part is reciprocated approximately five inches or less in either direction while being heated or cooled. Fully adjustable roller and drive belt support systems control the horizontal plane of the track and thus maintain a more level conveyor bed. A unitized zone construction allows for future increase or decrease in product output, simply by installation of one or more heating zones and lengthening of drive belts. A wear-resistant, disposable Teflon and/or silicone axle can be used. The furnace incorporates soft, heat-resistant fabric belts which are Teflon and/or silicone rubber coated.

REFERENCES:
patent: 2348887 (1944-05-01), Drake
patent: 2528865 (1950-11-01), Dale
patent: 3344903 (1967-10-01), Holm
patent: 3806331 (1974-04-01), Bezombes
patent: 3994711 (1976-11-01), McMaster
patent: 4133667 (1979-01-01), Nitschke
patent: 4167997 (1979-09-01), Revells

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