Pleated fluid filter medium blend

  • US 6,254,653 B1
  • Filed: 10/08/1999
  • Issued: 07/03/2001
  • Est. Priority Date: 10/08/1999
  • Status: Expired due to Term
First Claim
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1. A self supporting pleated fluid filter medium including an upstream and downstream side comprising:

  • a blend by weight of preselected different fibers at least one of which is of preselected low melt fiber material with a portion of low melt fiber material method into said blend, said blend having at least a sufficient stiffness to provide for self supporting pleats sufficient to maintain pleat form during an anticipated fluid filtering treatment velocity, said blend by weight of preselected fibres comprising approximately five (5) to fifty (50) percent (%), six (6) denier fibers, zero, (0) to forty (40) percent (%) one (1) denier fibers, and thirty (30) to ninety-five (95) percent (%) preselected low melt fibers.

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