Patents Assigned to Western Nonwovens, Inc.
  • Patent number: 7409748
    Abstract: The present invention relates to a process for making high loft, nonwoven material by providing either natural and/or synthetic fibers, providing a low melt binder fiber, mixing the low melt binder fiber and the natural and/or synthetic fibers to form a web, cross-lapping the web, drafting the web with a drafter, heating the drafted web to a temperature sufficient to melt the low melt binder fibers, and cooling the web thereby forming a structural nonwoven material. The nonwoven batt can be cross-lapped between 2 and 10 layers and when the batt is cooled and has structural rigidity, the tensile strength in the machine direction is at least 50% of the tensile strength in the cross-direction. The batt weight is in a range of 0.25 oz/ft2 to 2.0 oz/ft2. The low melt binder fibers comprise 10 to 30 wt. % of the nonwoven batt and the synthetic and/or natural fibers comprise about 70 to 90 wt. %.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: August 12, 2008
    Assignee: Western Nonwovens, Inc.
    Inventor: Sheri L. McGuire