Glass manufacturing – Glassworking or preform by or with reheating means – Planar sheet preform
Patent
1976-02-25
1977-06-07
Kellogg, Arthur D.
Glass manufacturing
Glassworking or preform by or with reheating means
Planar sheet preform
65285, 65351, C03B 2302
Patent
active
040280861
ABSTRACT:
An apparatus for bending and tempering heat-softened glass sheets by differentially cooling the opposite surfaces of the sheets to warp or bow the sheets to desired curvatures. The sheets are conveyed through the tempering section by a series of upper and lower conveyor rolls, each of which is formed of a two-piece construction and curved in a manner providing adequate support for the opposite ends thereof and permitting easy access into the inner regions of the tempering section.
REFERENCES:
patent: 3545951 (1970-12-01), Nedelec
patent: 3801298 (1974-04-01), Bezombes
Rahrig Donald D.
Revells Robert G.
Kellogg Arthur D.
Libbey-Owens-Ford Company
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