Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1977-12-20
1979-05-22
Rutledge, L. Dewayne
Glass manufacturing
Processes
Forming product or preform from molten glass
75134N, 75172R, 65374M, C22C 500
Patent
active
041557301
ABSTRACT:
The invention provides jets, nozzles, and perforated base plates produced from alloys that consist essentially of 40-70% platinum, 20-50% palladium, 5-15% rhodium, and 0.5-4% gold. They are resistant to attack by molten glass, particularly glass containing silicates.
REFERENCES:
patent: 2166055 (1939-07-01), Jahn et al.
patent: 2566283 (1951-08-01), Dowson
patent: 3672880 (1972-06-01), Darling et al.
Reinacher et al., ". . . Pt-Pd-Rh alloys at 1200.degree. C." Metall, 27 (1973) 659.
Reinacher, "Stress-rupture of . . . Pt-Pd-Rh alloys" Metall, 29 (1975) 682.
Darling, "The Search . . . Rh-Pt alloys" Platinum Metals Rev. 17 (1973) 130.
Biberbach Elke
Harmsen Nils
Roy Upendra
Rutledge L. Dewayne
W. C. Heraeus GmbH
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