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US 6,048,496 AGranted
Mixer for liquid chromatograph
AssigneeGI Sciences Incorporated
InventorsXiaojing Zhou, Yoshihiko Takano
Life of this patent
Estimating the term…
Abstract
A mixer for a liquid chromatograph mixes plural kinds of liquids. It has a first mixer 45 for forcibly agitating the liquids and a second mixer 58 for agitating the liquids in accordance with a flow rate. Liquid passages of the first and second mixers 45, 58 are in communication with each other, and the first and second mixers 45, 58 are integrally mounted.
Claims6
A mixer for a liquid chromatograph for mixing plural kinds of liquids, comprising:
- a first mixer for forcibly agitating liquid, said first mixer being provided within a joint that is connectable with a plurality of elute tubes;
- a second mixer for agitating liquid in accordance with the flow rate of the liquid, said second mixer comprising an outer sleeve having a spirally formed lead groove in an inner peripheral surface thereof and an inner sleeve having a lead groove spirally formed in a peripheral outer surface thereof, said inner sleeve being dimensioned such that it can be inserted into said outer sleeve, and said second mixer being provided within a cap that is connectable with a mixing tube;
- wherein said joint and said cap are integrally and removably joined with one another by a threaded engagement;
- and
- a liquid passage communicating said first mixer with said second mixer.
2 more elements
Dependencies are inferred from the claim text.