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US 2001/0022069 A1Published application
Filter cartridge
AssigneeFirma Carl Freudenberg
InventorsJurgen Fath, Dieter Schottmer
Life of this patent
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Abstract
A filter cartridge is made of an accordion fold pack folded in a zigzag-shape. At the end faces (4) of the accordion fold pack, running parallel to the folds, provision is made for the closing elements (5) which include stiffening strips (6), partially covering the accordion fold pack (2), at least on its discharge side, and sealing elements (7) integrally connected to the stiffening strips (6).
Claims14
A filter cartridge comprising:
- an accordion fold pack folded in a zigzag shape, the accordion fold pack having end faces running parallel to the folds,
- closing elements which include stiffening strips partially covering the accordion fold pack, at least on a discharge side of the fold pack, and sealing elements integrally connected to the stiffening strips, the end faces of the accordion fold pack being adapted to receive the closing elements.
Dependencies are inferred from the claim text.