Glass manufacturing – Glassworking or preform by or with reheating means – Planar sheet preform
Patent
1979-09-25
1981-06-09
Kellogg, Arthur D.
Glass manufacturing
Glassworking or preform by or with reheating means
Planar sheet preform
65285, 65287, C03B 2303
Patent
active
042722748
ABSTRACT:
This invention relates to shaping glass sheets and particularly to a mold capable of shaping glass sheets having many different outline shapes but bent to the same radius of curvature. Such molds have dimensions larger than those of a family of windows of a given radius of curvature but different outline shapes. Such molds comprise a solid block of refractory material comprising a plurality of smooth, curved, upwardly facing, elongated shaping members extending continuously across an entire dimension of said mold and separated by transversely extending grooves that extend completely across the entire dimension of the shaping mold and have sufficient width and depth to permit clearance for raising the mold above a horizontal path of glass sheet travel defined by glass conveying elements.
REFERENCES:
patent: 3374077 (1968-03-01), Cypher
patent: 3374080 (1968-03-01), Wheeler
patent: 3418098 (1968-12-01), Kirkman
patent: 3527589 (1970-09-01), Ritter
patent: 3756797 (1973-09-01), Akeyoshi et al.
patent: 4197108 (1980-04-01), Frank et al.
Canonaco Rudy
Frank Robert G.
Posney Richard V.
Kellogg Arthur D.
Lepiane Donald Carl
Mates Edward I.
PPG Industries Inc.
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