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US 5,167,810 AGranted
End cell for chromatography column
AssigneeAmicon Corporation
InventorsVincenzo Vassarotti, Colin K. Lanyi, Christopher R. Biddell
Life of this patent
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Abstract
An end cell for a chromatography column has a moulded plastics structure and an integral screen formed of a woven mesh of fibres of the same plastic material as used for the end cell. A peripheral ring of the same plastics material is injection moulded to the perimeter of the mesh, said ring being secured to the end cell in a leak-proof manner, preferably by ultrasonic welding.
Claims9
An end cell for a chromatography column, comprising:
- a chromatography column containing an end cell body;
- a woven mesh screen having a perimeter for isolating the end cell from a chromatography bed, in use;
- and a peripheral ring cast on the perimeter of the mesh screen and sealingly secured to the end cell, wherein a common material is used for the end cell, the screen, and the ring.
Dependencies are inferred from the claim text.