Solvent storage flask

Details Solvent storage flask Solvent storage flask

1989-03-20

1990-12-11

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422101, 422103, 435296, B01L 308

Patent

active

049769278

ABSTRACT:
The spherical containment reservoir has first and second circumferentially spaced tubular necks. A tubular bridge interconnects the first and second necks at points spaced from the reservoir. The first neck is sealed between the connecting point and the reservoir. A valve seat is situated in the second neck between the connecting point and the reservoir. The internal surface of the second neck is threaded to accept a valve stem above the valve seat.

REFERENCES:
patent: 730674 (1903-06-01), Lyons
patent: 1365183 (1921-01-01), Moffatt
patent: 2666545 (1954-01-01), Hopfield
patent: 3490736 (1970-01-01), Snyder
patent: 3909363 (1975-09-01), Bucalo
patent: 4363639 (1982-12-01), Gladen
Wing, H. J., "A Vacuum Distillation Flask", The Chemist Analyst, vol. 27, No. 2, p. 42, May 1938.

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