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US 5,858,039 AGranted
Cylindrical star-shaped filter bag and support cage
OwnerGebhard F. L. Schumann, Klaus R. K. Schumanninventors
Life of this patent
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Abstract
The apparatus is a filter element with an inner star-shaped support cage and a star-shaped filter fabric being held in a star shape only by circumferential outer bands. The inner star-shaped cage has support elements with radially outwardly extending star rays which are affixed to pairs of laterally offset longitudinally extending wires.
Claims5
A filter element comprising:
- an interior cage comprised of a plurality of longitudinally spaced supports, each support including outwardly radially extending elements which are affixed to a plurality of pairs of laterally offset longitudinally extending wires, each of said plurality of pairs of wires forming a leg of a star pattern;
- a filter fabric held in a star form only by outer circular bands attached circumferentially to said filter fabric, said filter fabric having a circumference greater than the circumference of said interior cage, said filter fabric fitted over said interior cage and conforming to said legs of the star pattern.
Dependencies are inferred from the claim text.