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US 8,961,722 B2Granted
Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products
AssigneeDonaldson Company, Inc.
InventorsKevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf, Gregory Reichter, Daniel Risch
Life of this patent
Estimating the term…
Abstract
Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided.
Claims13
A method of preparing a filter construction for use in an air cleaner;
- the method comprising steps of:
- (a) distorting a generally circular configuration of a fluted media sheet secured to a facing sheet of media to form a resulting oval shaped media configuration having two, opposite, generally parallel sides and two, opposite, curved ends;
- and,
- (b) positioning a housing seal on the resulting oval shaped media configuration.
1 more element
Dependencies are inferred from the claim text.