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US 2011/0226406 A1Published application
Filter Frame Attachment and Fluted Filter Having Same
AssigneeBaldwin Filters, Inc.
InventorsSteven J. Merritt, Chad Banzhaf, Kyle Swanson
Life of this patent
Estimating the term…
Abstract
A filter element includes a filter media pack, a frame, an annular seal, and a sealing means independent of the annular seal, attaching the filter media pack and the frame. The means of sealing an interface between the filter media pack and the frame include molding a filter media pack seal, plastic welding outer wraps of filter media pack to the frame, and securing the filter media pack and the frame using a bead of adhesive.
Claims20
-19. (canceled)
A method of making a filter element comprising steps of:
- forming a filter media pack having outer wraps;
- manufacturing a frame having a seal support portion and forming at least a portion of a molding receptacle region;
- molding an annular seal around the seal support portion of the frame;
- and
- separately molding a filter media pack seal generally occupying the molding receptacle region and sealing an annular interface between the filter media pack and the frame.
2 more elements
A method of making a filter element, comprising:
- securing a fluted filter media pack to a frame comprising steps of:
- forming the fluted filter media pack with an outer wrap;
- manufacturing a frame with an annular plastic portion adapted for welding with the outer wrap of the filter media pack;
- and
- welding the filter media pack to the annular plastic portion.
2 more elements
-41. (canceled)
Dependencies are inferred from the claim text.