Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1982-04-16
1985-04-23
Fisher, Richard V.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
118725, 118733, 55400, 285348, 285275, 210449, C03B 3707
Patent
active
045127905
ABSTRACT:
A rotary sealing device for connecting a fixed gas supply pipe to a tube rotating about its axis. It comprises a first rotary member for receiving the fixed pipe, a second rotary member for receiving and sealing the rotary pipe and fixed to the first member, and a filter placed in a chamber made in the aforementioned members and forming an obstacle to the gas flow and consequently to an overpressure of said gas, opposing the entry into the said chamber of gas coming from outside the device.
REFERENCES:
patent: 463410 (1891-11-01), Weaver
patent: 2379035 (1943-06-01), Phillips
patent: 2398618 (1946-04-01), Chavayda
patent: 3933454 (1976-01-01), DeLuca
patent: 4089550 (1978-05-01), Denton
patent: 4280829 (1981-07-01), Sheth
patent: 4295870 (1981-10-01), Schneider
patent: 4347069 (1982-08-01), Haney et al.
Faure Michel
Jouanin Andre
Lumineau Yves
Regeffe Jean Y.
Fisher Richard V.
Lignes Telegraphiques & Telephoniques
Millard Wanda L.
Plottel Roland
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