Heated lance roof cleaning process

Details Heated lance roof cleaning process Heated lance roof cleaning process

1979-08-01

1981-03-03

Kellogg, Arthur D.

Glass manufacturing

Processes

Repairing or cleaning of apparatus; or batch dust prevention...

65 99A, C03B 1816

Patent

active

042538602

ABSTRACT:
The method of improving the cleaning of float forming chamber roofs is disclosed. The method involves the use of heated forming or nitrogen gas which is directed against the surface of the roof. In a preferred embodiment, hydrogen sulfide or other sulfur containing gas is added to the gas directed against the roof in order to aid in cleaning by converting elemental tin to tin sulfide which will sublimate at the temperature of the heated gas.

REFERENCES:
patent: 1553773 (1925-09-01), Heal
patent: 3337319 (1967-08-01), Edwards
patent: 3337320 (1967-08-01), Dyck
patent: 3494755 (1970-02-01), Montgomery
patent: 3549343 (1970-12-01), Loukes
patent: 3597178 (1971-08-01), Tilton
patent: 3811854 (1974-05-01), Pecoraro
patent: 4019885 (1977-04-01), Snow

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