Sealant injector

Details Sealant injector Sealant injector

1989-03-15

1990-02-13

Shaver, Kevin P.

Dispensing

Automatic control

Temperature responsive or soluble controller

60527, 126263, 219230, 219421, 2221462, 2221465, 222336, 222386, F03G 706, F24J 100

Patent

active

048999105

ABSTRACT:
A sealant injector for use in repair is provided with a sealant nozzle formed in a forward end of an injector body. A piston is slidably fitted in the injector body, and cooperates with the forward end of the injector body to define therebetween a sealant chamber capable of being filled with sealant. A coil spring is arranged within the injector body, and is provided with such a shape memory effect that when heated, the coil spring biases the piston toward the forward end of the injector body to inject the sealant through the sealant nozzle. A heating unit is associated with the injector body, for heating the coil spring.

REFERENCES:
patent: 3285470 (1966-11-01), Frei et al.
patent: 3734348 (1973-05-01), White
patent: 3970068 (1976-07-01), Sato
patent: 4002235 (1977-01-01), Donnelly
patent: 4018547 (1977-04-01), Rogen
patent: 4524343 (1985-06-01), Morgan et al.
patent: 4559512 (1985-12-01), Yaeger et al.
patent: 4741324 (1988-05-01), Ina et al.
patent: 4811564 (1989-03-01), Palmer
patent: 4819612 (1989-04-01), Okamoto et al.

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