Signals and indicators – Indicators – Temperature responsive or compensating means
Patent
1994-06-15
1996-01-09
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Temperature responsive or compensating means
374160, G01K 102, G01K 1100
Patent
active
054820006
ABSTRACT:
A surface mount overheat indicator device includes a flattened annular outer frame and an inner fusible disk positioned within the outer frame. The fusible disk is formed of a material which melts at a selected temperature. The outer frame has a plurality of adhesive relief apertures formed therethrough in circumferentially spaced relation. The fusible disk projects rearwardly of a rear surface of the outer frame to define an adhesive receiving space between the rear surface of the outer frame and a surface on which the device is adhesively installed. The adhesive receiving space and the adhesive relief apertures cooperate to prevent the positioning of a layer of adhesive or a pocket of air between the fusible disk and the surface on which the device is installed to avoid interfering with the transfer of heat therefrom.
REFERENCES:
patent: 1345767 (1920-07-01), Hammond
patent: 3243303 (1966-03-01), Johnson
patent: 4132464 (1979-01-01), Maeno
patent: 4279152 (1981-07-01), Crossland
patent: 4346762 (1982-08-01), Tovim
patent: 4857130 (1989-08-01), Curtis
Cuchlinski Jr. William A.
Hirshfeld Andrew
Patent Master, Inc.
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