Temperature indicating device

Details Temperature indicating device Temperature indicating device

1983-02-17

1985-09-03

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

374162, 426 88, G01K 1112

Patent

active

045389268

ABSTRACT:
For use in sensing the temperature of a bottle or the like, a device formed of a thin, supple support 1, an element 2 black in color, an element 3 axial with respect to the element 2 constituted by an at least binary mixture of cholesteric liquid crystals, a strip 4 colored from red to violet according to the colors of the white light spectrum, a symbolic mark 5 disposed in the zone of color corresponding to the appropriate temperature of use of the liquid contained in the bottle.

REFERENCES:
patent: 3696675 (1972-10-01), Gilmour
patent: 3864976 (1975-02-01), Parker
patent: 4070912 (1978-01-01), McNaughton
patent: 4156365 (1979-05-01), Heinmets et al.
patent: 4292916 (1981-10-01), Bradley et al.
patent: 4301054 (1981-11-01), Buirley et al.
patent: 4382063 (1983-05-01), Romito et al.
patent: 4388139 (1983-06-01), Fuller

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