Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1980-02-11
1982-04-27
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
6537412, C03B 37025
Patent
active
043268714
ABSTRACT:
This invention relates to glass filament production. Conventionally the hollow cooling tubes and/or solid metal bars utilized in the making of continuous glass fibers have been constructed of high temperature corrosion resistant materials whose costs are exorbitant for extensive present day factory operations. The present invention dramatically reduces the price of cooling tubes 24 suitable for use in the making of glass filaments by coating or cladding a relatively inexpensive base or substrate metal 48 such as nickel, Inconel, molybdenum, copper, alloys thereof or a refractory material with a high temperature corrosion resistant material 50 such as the noble metals, e.g. platinum, palladium, rhodium, iridium, gold, silver or alloys thereof. Fins 52 which may be attached to the cooling tubes 24 may be made either of a solid noble metal or may also be coated or clad in the same manner as the cooling tubes 24.
REFERENCES:
patent: 3002226 (1961-10-01), Warthen
patent: 3219106 (1965-11-01), Ahern
patent: 3392779 (1968-07-01), Tilbrook
patent: 3468644 (1969-09-01), Leaman
patent: 3997309 (1976-12-01), Harris
patent: 4214884 (1980-07-01), Martin
Kelly Joseph J.
Krone Robert M.
Lindsay, Jr. Robert L.
Manville Service Corporation
Thomson Richard K.
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