Disposable static mixing device having check valve flaps

Details Disposable static mixing device having check valve flaps Disposable static mixing device having check valve flaps

1999-06-16

2000-10-24

Cooley, Charles E.

Agitating

Stationary deflector in flow-through mixing chamber

Plate or block being apertured, notched, or truncated in shape

366336, 138 42, B01F 506

Patent

active

061356328

ABSTRACT:
A static mixing dispenser provides a circuitous flowpath for plural components to be mixed between the inlet and the outlet of a conduit. Coextensive exterior sheets forming a tube can be attached to an interior sheet having openings communicating through the interior sheet. The sheets are sealed together at interior obstructions, forming mixing stages that subdivide and recombine the stream of material. The interior obstructions comprise sheets having openings formed through the thickness of each sheet. The openings each have a flap of sheet material, the partial detachment of which from the sheet forms the opening, leaving a connection of limited area around which the flap can pivot. The flap is thus bendable relative to the sheet so that the flap opens during the movement of flowable components in a first direction, and closes during movement of the flowable components in a second direction, forming an array of check valves that advance the material from the source to the outlet as the device is compressed manually or pressure is otherwise applied.

REFERENCES:
patent: 3156352 (1964-11-01), Hayhurst
patent: 3159312 (1964-12-01), Van Sciver, II
patent: 3335912 (1967-08-01), Reaves, Jr.
patent: 3394924 (1968-07-01), Harder
patent: 3608709 (1971-09-01), Pike
patent: 3927868 (1975-12-01), Moore
patent: 4130245 (1978-12-01), Bryson
patent: 4540089 (1985-09-01), Maloney
patent: 4952068 (1990-08-01), Flint
patent: 5154321 (1992-10-01), Shomer
patent: 5492219 (1996-02-01), Stupar
patent: 5516209 (1996-05-01), Flint et al.

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