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US 2021/0229004 A1Published application
Tubular filter with nonwoven media and method
AssigneeJonell filtration Products, Inc.
InventorsDonald Cho, Alan Lee Clarke, Dwayne Austin Weddle
Life of this patent
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Abstract
A filter element is provided that includes a plurality of individual fibers, wherein each individual fiber has a non-circular cross-section. The filter element also includes at least one flat sheet media, wherein the plurality of individual fibers are thermally bound to the at least one flat sheet media, wherein the flat sheet media is spirally wound to create a cylindrical profile.
Claims17
A filter element, comprising:
- at least one layer comprising a plurality of individual fibers, wherein at least a subset of the plurality of individual fibers each comprises a non-circular cross-section;
- and at least one flat sheet media, wherein the flat sheet media is configured as spirally wound having a cylindrical profile, such that the plurality of individual fibers are bound to the at least one flat sheet media when configured with the cylindrical profile.
A method of manufacturing a filter, comprising:
- providing a plurality of individual filtration fibers and a flat sheet media, wherein at least a subset of the plurality of individual fibers each comprises a non-circular cross-section;
- winding the flat sheet media into a spiral shape;
- and
- binding the plurality of individual filtration fibers to the flat sheet media during the step of winding the flat sheet media.
1 more element
Dependencies are inferred from the claim text.