Expanded metal and process of making the same

  • US 8,696,781 B2
  • Filed: 09/27/2010
  • Issued: 04/15/2014
  • Est. Priority Date: 09/29/2009
  • Status: Active Grant
First Claim
Patent Images

1. A filter comprising a filter medium reinforced with an expanded metal, wherein said reinforced filter medium and said expanded metal are pleated, said expanded metal comprising a plurality of integral strands defining diamond shapes, each diamond shape having a first dimension as measured from two opposing vertices and a second dimension, generally transverse to the first dimension, as measured between two other opposing vertices, wherein said expanded metal is formed by slitting a sheet of metal thereby preliminarily expanding said metal, wherein said slit preliminarily expanded metal having been further expanded after slitting along a direction by at least 15% per linear dimensional unit to form said expanded metal, and wherein the second dimension is along the direction of expansion.

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