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US 10,758,858 B2Granted
Waved filter media and elements
AssigneeHollingsworth & Vose Company
InventorsDavid T. Healey, Richard E. Gahan
Life of this patent
Estimating the term…
Abstract
Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications.
Claims19
A filter media, comprising:
- a curvilinear web formed from a fine fiber filtration layer and a coarse support layer including at least a portion of binder fibers in the coarse support layer, the at least one coarse support layer that holds the fine fiber filtration layer in a waved configuration and maintains separation of peaks and troughs of adjacent waves of the fine fiber filtration layer, wherein the coarse support layer extends across the peaks and into the troughs to fill the troughs.
Dependencies are inferred from the claim text.