Thaw-indicator device

Details Thaw-indicator device Thaw-indicator device

1976-03-01

1977-10-04

Queisser, Richard C.

Signals and indicators

Alarms

Fluid flow

426 88, G01K 1100

Patent

active

040518043

ABSTRACT:
Thaw-indicator for frozen articles including a V-shaped transparent elastomeric tube having its inner wall surfaces disposed in liquid tight interfacial engagement at the apex of the V by a removable band and defining a pair of closed liquid containers, adapted to contain freezable contrasting liquid dyes.

REFERENCES:
patent: 2560537 (1951-07-01), Andersen
patent: 2662018 (1953-12-01), Smith
patent: 3257072 (1966-06-01), Reynolds
patent: 3521489 (1970-07-01), Finkelstein et al.

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