Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1981-09-08
1982-08-03
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
425 8, C03B 3705
Patent
active
043425828
ABSTRACT:
An apparatus for producing mineral fibers by low pressure air fiberization having a housing defining a substantially toroidal air chamber and having a substantially circular central opening, an annular slot provided around the central opening having an annular shroud affixed to the housing at the outer edge of the annular slot for confining and directing the primary jet leaving the annular slot and enabling it to be more efficiently utilized in fiberizing the mineral fibers. A cup-form spinner is mounted on a substantially horizontally oriented shaft arranged to be rotated. The spinner is mounted in front of the forward wall of the plenum and with the open end facing the forward wall. A duct is provided to direct molten slag into the spinning cup which ejects the molten slag into an air stream directed from the annular slot of the chamber and the shroud, thereby producing mineral fiber of excellent quality and in greater yield than results when the shroud is not utilized.
REFERENCES:
patent: 3865566 (1975-02-01), Kleist
patent: 4106921 (1978-08-01), Porter
patent: 4246017 (1981-01-01), Phillips
Kurlandsky Samuel
Lindsay, Jr. Robert L.
Roberts Kenneth E.
Robinson Robert H.
United States Gypsum Company
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