Apparatus and method for maintaining calibration of a thermocoup

Details Apparatus and method for maintaining calibration of a thermocoup Apparatus and method for maintaining calibration of a thermocoup

1978-06-13

1979-09-11

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 11W, 65 29, 65162, 65374M, 73359R, C03B 3702

Patent

active

041674030

ABSTRACT:
A thermocouple connection for a platinum/rhodium glass fiber drawing bushing wherein the dissimilar leads of the thermocouple are extended directly from the bushing and over a length so closely adjacent the bushing that the temperature of the leads over said length is substantially equal to the temperature of the bushing. As a result of thus positioning the leads, migration of the interface between the dissimilar material of the leads does not materially affect the calibration of the thermocouple.

REFERENCES:
patent: 3162038 (1964-12-01), Roberson et al.
patent: 3246124 (1966-04-01), Trethewey
patent: 3269816 (1966-08-01), Helbing
patent: 3737982 (1973-06-01), Calhoun et al.
patent: 3905790 (1975-09-01), Strickland

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