Gradient formers

Details Gradient formers Gradient formers

1984-11-20

1986-11-04

Coe, Philip R.

Agitating

Having interrelated feed and discharge means

222137, 222387, 366160, 366182, 366194, 366273, B01F 716, B01F 1308, B01F 1502

Patent

active

046207945

ABSTRACT:
By providing two, interconnected fluid storing containers, each of which comprise piston members sealingly engaged therewith and manually movable along the inside surface thereof, a unique, linear gradient former is achieved which is capable of controllably providing precisely mixed linear gradients. In addition, the linear gradient former of the present invention is usable to quickly, easily, and precisely fill the fluid holding chambers, by manually moving the pistons in an opposite direction. One of the fluid storing containers incorporates outlet means for delivering the linear gradient to the desired chamber for use and, in the preferred embodiment, also incorporates fluid mixing means to assure uniform distribution of the fluids in the container prior to being dispensed.

REFERENCES:
patent: 2131488 (1938-09-01), Tear
patent: 3443520 (1969-05-01), Nejame, Jr.

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