Torque sensitive diaphragm valve

Details Torque sensitive diaphragm valve Torque sensitive diaphragm valve

2007-11-06

2007-11-06

Jacyna, J. Casimer (Department: 3754)

Valves and valve actuation

Lost motion between actuator and valve

Overload release

C251S077000, C251S273000, C251S331000

Reexamination Certificate

active

11224359

ABSTRACT:
This invention relates to pressure torque sanitary diaphragm valves and methods of using torque sensitive sanitary valves in the production of chemical and biological therapeutics to obtain procedural reproducibility in the production pharmaceutical compounds and intermediates related thereto.

REFERENCES:
patent: 2725211 (1955-11-01), Boteler
patent: 2895708 (1959-07-01), Ludovico
patent: 3091427 (1963-05-01), Boteler
patent: 3827670 (1974-08-01), Saarem
patent: 5953965 (1999-09-01), Kaneyama et al.
patent: 6047953 (2000-04-01), Jacob, Jr.
patent: 6196523 (2001-03-01), Miyata et al.
patent: 6241213 (2001-06-01), Butler
patent: 6575431 (2003-06-01), Artsvelyan
patent: 2001/0027133 (2001-10-01), Kimura et al.
patent: 2003/0078106 (2003-04-01), Carstensen et al.
patent: 2003/0081986 (2003-05-01), Gordon
patent: 2003/0155546 (2003-08-01), Browne et al.

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