Temperature thermal history indicating device

Details Temperature thermal history indicating device Temperature thermal history indicating device

1988-01-15

1989-05-09

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

Nonelectrical, nonmagnetic, or nonmechanical temperature...

374162, 376247, 405128, G01K 1106

Patent

active

048295396

ABSTRACT:
A temperature indicating device which comprises a plurality of panels in a fixed array. Some of the panels are adapted to undergo a reversible change in appearance at a given temperature whereas the remainder are adapted to undergo irreversible change in appearance at a given temperature. The device is useful in indicating the temperature which an object has achieved as well as its actual temperature.

REFERENCES:
patent: 1894015 (1933-01-01), Bernstein
patent: 2945305 (1960-07-01), Strickler
patent: 2978584 (1961-04-01), Loconte et al.
patent: 3260112 (1966-07-01), Godbey et al.
patent: 3696675 (1972-10-01), Gilmour
patent: 4320028 (1982-03-01), Leuchfay
patent: 4538926 (1985-09-01), Chretien
patent: 4696580 (1987-09-01), Kameda

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