Filter element, method of manufacture and use

Details Filter element, method of manufacture and use Filter element, method of manufacture and use

2007-08-17

2011-10-11

Clemente, Robert (Department: 1776)

Gas separation

Specific media material

Fibrous or strand form

C055S486000, C055S497000, C055S521000, C055SDIG007, C095S283000, C096S134000, C096S135000, C096S154000

Reexamination Certificate

active

08034146

ABSTRACT:
The invention provides a filter element which has a reduced initial pressure loss, can reduce an energy cost and can secure a high air flow rate, a filter element which has an elongated gas removing service life and filtering service life while keeping a high gas removing performance and a high dust removing efficiency, a manufacturing method and a method of use of the same. In a filter element (10) in which a pleated composite substrate (11) obtained by lapping or laminating an nonwoven fabric sheet including a fiber constituted by a thermoplastic resin and a gas removal sheet is pleated, and a pleated shape of the pleated composite substrate (11) is held by a shape retaining member (12a), a thickness of the nonwoven fabric sheet is increased at least 5% when heated to 60 degree C.

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patent: 2008/0148946 (2008-06-01), Lotgerink-Bruinenberg
patent: 2008/0276805 (2008-11-01), Lotgerink-Bruinenberg
patent: WO 2006096486 (2006-09-01), None

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