Indicator tube combined with a temperature gauge

Details Indicator tube combined with a temperature gauge Indicator tube combined with a temperature gauge

1983-03-15

1986-12-16

Frankfort, Charles

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

116206, 116207, 422 86, 422 87, G01K 300

Patent

active

046293353

ABSTRACT:
An indicating tube for detecting gas type and characteristics comprises a hollow transparent tube having a passage therethrough for the passage of a gas to be detected and with a first material in the passage giving a visual indication of the gas characteristic and a second material in the passage which gives a visual indication of the temperature characteristic of the gas.

REFERENCES:
patent: 2648976 (1953-08-01), Bur
patent: 3651695 (1972-03-01), Brown
patent: 3955420 (1976-05-01), Parker
patent: 4230457 (1980-10-01), Leichnitz
patent: 4389372 (1983-06-01), Lalin

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