Title:
FILTRATION DEVICES COMPRISING A SEALING GASKET
Document Type and Number:
WIPO Patent Application WO2000078429
Kind Code:
A9
Abstract:
The present invention relates to the formation of a gasket, sealing area or O-ring, such as a gasket on a screen for a filtration module such as a TFF or NF cassette or an O-ring on the outlet of a filter cartridge wherein the seal is proud of at least one surface of the screen. Preferably, the seal is molded to the filter component, more preferably it is injection molded to the component. The seal may be formed of any elastomeric material such as thermoplastic, thermoplastic elastomers, thermosets and rubber, both natural and synthetic. The molded seal provides better sealing, allows for a variation in heights and geometries, and provides better cleanliness and lower extractables than the currently used adhesives or conventional gaskets or O-rings.
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Inventors:
BARTLETT ANDREW (US)
CHISHOLM MARK (US)
CHISHOLM MARK (US)
Application Number:
PCT/US2000/017076
Publication Date:
June 27, 2002
Filing Date:
June 21, 2000
Export Citation:
Assignee:
MILLIPORE CORP (US)
BARTLETT ANDREW (US)
CHISHOLM MARK (US)
BARTLETT ANDREW (US)
CHISHOLM MARK (US)
International Classes:
B01D29/01; B01D35/30; F16J15/10; B01D63/00; B01D63/08; B01D65/00; B01D71/10; B01D71/16; B01D71/26; B01D71/34; B01D71/36; B01D71/40; B01D71/48; B01D71/50; B01D71/56; B01D71/68; B01D71/76; (IPC1-7): B01D35/30; B01D63/08
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