Method and apparatus for contaminant removal in manufacturing op

Details Method and apparatus for contaminant removal in manufacturing op Method and apparatus for contaminant removal in manufacturing op

1988-11-14

1991-01-29

Woodard, Joye L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 12, 65 13, 65 27, 65168, 65171, C03B 3702

Patent

active

049883747

ABSTRACT:
An extrnal fibre drawing furnace is maintained at or close to its normal working temperature while contaminants are removed between fibre pulls. Either a removable insert, replaceable gas port assembly, or cleanable gas transfer duct, enable this to be achieved while the furnace is maintained at or near its operating temperature, so that the down time is of the order of minutes rather than hours.

REFERENCES:
patent: 4030901 (1977-06-01), Kaiser
patent: 4309201 (1982-01-01), Klop et al.
patent: 4673427 (1987-06-01), Van Der Giessen et al.

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