Patent ID: 11944927
Assignee: PARKER INTANGIBLES LLC
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 21:
22. A method of forming a filter media pack with a filter media sheet, comprising:
pressing at least one feature into the filter media sheet repeatedly with a stamping press, the stamping press comprising stamping dies, the stamping dies being in a non-roll form;
conveying the filter media sheet forwardly along a travel path while the stamping press is pressing the filter media sheet and engaged with the filter media sheet such that the stamping dies move along forwardly the travel path;
assembling multiple pressed sections of the filter media sheet into the filter media pack; and
reciprocating the stamping press back and forth along the travel path, wherein the stamping press is moving forwardly along the travel path while pressing the filter media sheet, and wherein the stamping press is disengaged and released from the filter media sheet while moving rearwardly along the travel path.