Glass manufacturing – With means to feed diverse material to glass working means
Patent
1987-02-09
1988-08-02
Kellogg, Arthur
Glass manufacturing
With means to feed diverse material to glass working means
65 605, 65157, 65161, 65181, 118600, 118715, 118719, C03C 1700
Patent
active
047611715
ABSTRACT:
A gas distributor beam includes a plenum and distribution slot surrounded by a generally V-shaped cooling fluid chamber. The circulation of a suitable cooling fluid tends to maintain the plenum and distribution slot at a temperature below four hundred degrees Fahrenheit for the distribution of diborane gas to an upper surface of a heated glass ribbon. Carbon blocks are utilized to stabilize the glass temperature above nine hundred fifty degrees Fahrenheit for the proper deposition of boron on the surface of the glass. Insulation between the carbon blocks and the outer walls of the cooling fluid chamber minimize heat transfer and the shape of the cooling chamber minimizes the exposure of the glass to the lower temperatures of the cooling chamber.
REFERENCES:
patent: 4088471 (1978-05-01), Kirkbride et al.
patent: 4240816 (1980-12-01), McMaster et al.
Kellogg Arthur
Libbey-Owens-Ford Co.
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