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POROUS FILTER CARTRIDGE AND METHOD FOR MANUFACTURING THE SAME

  • US 20080078717A1
  • Filed: 09/27/2007
  • Published: 04/03/2008
  • Est. Priority Date: 09/29/2006
  • Status: Abandoned Application
First Claim
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1. A porous filter cartridge comprising:

  • a cap being in the form of a bottomed cylinder and including an opening provided at the center of a bottom part thereof; and

    at least one porous filters held on the inner side of the cap, and at the bottom part,whereinthe cap comprises a plurality of convex ribs provided on the bottom part side of the inner circumferential surface of the cap, and at a part on the circumference of the inner circumferential surface, the plurality of convex ribs protruding to the inside of the cap and bending the outer perimeter end of the at least one porous filters.

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