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US 9,827,527 B2Granted
Filter media and filter element with adhesive reinforcing
AssigneeBaldwin Filters, Inc.
InventorsSteven J. Merritt, Timothy L. Krull
Life of this patent
Estimating the term…
Abstract
A method of reinforcing a filter media pack as well as a reinforced media pack is provided. The method includes forming a media pack to have an inlet face and an outlet face. The method includes applying a reinforcing agent to the media pack. The reinforcing agent is applied in a flowable state. The method also includes hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack. Filter element having such a reinforcing structure is also provided.
Claims25
A filter media pack comprising:
- filter media having an inlet face and an outlet face;
- a reinforcing structure being a composite structure comprising a reinforcing agent impregnated into the filter media such that the filter media forms a substrate and the reinforcing agent forms a hardened matrix;
- wherein the filter media is z-media having a plurality of adjacent layers of fluted filter media defining the inlet face and the outlet face, each layer including a corrugated sheet and a facer sheet attached to the corrugated sheet, the layers of fluted filter media forming a plurality of inlet and outlet flutes extending between the inlet and outlet faces;
- wherein the inlet flutes are open proximate the inlet face and closed proximate the outlet face by outlet end sealant and the outlet flutes are closed proximate the inlet face by inlet end sealant and open proximate the outlet face, the reinforcing agent being different than the inlet end sealant and outlet end sealant.
1 more element
A filter media pack comprising:
- filter media having an inlet face and an outlet face;
- a reinforcing structure being a composite structure comprising a reinforcing agent impregnated into the filter media such that the filter media forms a substrate and the reinforcing agent forms a hardened matrix;
- wherein the filter media is z-media having a plurality of adjacent layers of fluted filter media defining the inlet face and the outlet face, each layer including a corrugated sheet and a facer sheet attached to the corrugated sheet, the layers of fluted filter media forming a plurality of inlet and outlet flutes extending between the inlet and outlet faces;
- and
- wherein the inlet flutes have an open end proximate the inlet face and a closed end proximate the outlet face and the outlet flutes have a closed end proximate the inlet face and an open end proximate the outlet face, the reinforcing agent does not close the open ends of the flutes.
2 more elements
A method of providing reinforcing of a media pack comprising:
- forming a media pack to have an inlet face and an outlet face:
- applying a reinforcing agent to the media pack, the reinforcing agent being applied in a flowable state;
- hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack;
- wherein the media pack is z-media having a plurality of adjacent layers of fluted filter media defining the inlet face and the outlet face, each layer including a corrugated sheet and a facer sheet attached to the corrugated sheet to form a plurality of inlet and outlet flutes extending between the inlet and outlet faces;
- and
- wherein each inlet flute has an open end proximate the inlet face and a closed end proximate the outlet face and each outlet flute has a closed end proximate the inlet face and an open end proximate the outlet face, the reinforcing agent does not close the open ends of the flutes;
- and, wherein the step of applying the reinforcing agent applies the reinforcing agent at at least one of the inlet face or the outlet face.
4 more elements
A method of providing reinforcing of a media pack comprising:
- forming a media pack to have an inlet face and an outlet face:
- applying a reinforcing agent to the media pack, the reinforcing agent being applied in a flowable state;
- hardening the reinforcing agent to form a reinforcing structure being a composite structure comprising the reinforcing agent impregnated into the filter media such that the filter media forms a substrate and the reinforcing agent forms a hardened matrix to reinforce the media pack;
- wherein the media pack is z-media having a plurality of adjacent layers of fluted filter media defining the inlet face and the outlet face, each layer including a corrugated sheet and a facer sheet attached to the corrugated sheet to form a plurality of inlet and outlet flutes extending between the inlet and outlet faces;
- and
- wherein the inlet flutes are open proximate the inlet face and closed proximate the outlet face by outlet end sealant and the outlet flutes are closed proximate the inlet face by inlet end sealant and open proximate the outlet face, the reinforcing agent being different than the inlet end sealant and outlet end sealant.
3 more elements
A method of providing reinforcing of a media pack comprising:
- forming a media pack to have an inlet face and an outlet face:
- applying a reinforcing agent to the media pack, the reinforcing agent being applied in a flowable state;
- hardening the reinforcing agent to form a reinforcing structure being a composite structure comprising the reinforcing agent impregnated into the filter media such that the filter media forms a substrate and the reinforcing agent forms a hardened matrix to reinforce the media pack;
- wherein the media pack is z-media having a plurality of adjacent layers of fluted filter media defining the inlet face and the outlet face, each layer including a corrugated sheet and a facer sheet attached to the corrugated sheet to form a plurality of inlet and outlet flutes extending between the inlet and outlet faces;
- and
- wherein the reinforcing agent is applied such that the reinforcing agent attaches a portion of a corrugated sheet to an adjacent portion of an adjacent facer sheet that was not otherwise attached.
3 more elements
Dependencies are inferred from the claim text.