Pressurizing syringe

Details Pressurizing syringe Pressurizing syringe

1982-08-19

1985-01-08

Rolla, Joseph J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Audible

73744, 7386254, 92 5R, 92 84, 604121, B67D 506

Patent

active

044923171

ABSTRACT:
A pressurizing syringe includes one or more dimple-shaped snapdomes located between the plunger and piston of a syringe assembly. When the plunger is depressed, the snapdomes will deflect at a known pressure level, giving the user a tactile and audible indication that the syringe is compressing fluid at the desired pressure. A method for using a pressurizing syringe to pressurize the fluid-filled compartment of an ultrasonic scan head is also described.

REFERENCES:
patent: 3029985 (1962-04-01), Krueger
patent: 3253592 (1966-05-01), Pechmann
patent: 4392589 (1983-07-01), Herold

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