Patents Assigned to Donldson Company, Inc.
  • Patent number: 9353481
    Abstract: Embodiments for methods and apparatuses for forming a nonwoven web are described herein. In one embodiment, an apparatus includes one or more sources configured to dispense a first fluid flow stream comprising a fiber and a second fluid flow stream also comprising a fiber. The apparatus also includes a mixing partition downstream from the one or more sources, where the mixing partition is positioned between the first and second flow streams from the one or more sources. The mixing partition defines one or more openings that permit fluid communication between the two flow streams. The apparatus also includes a receiving region situated downstream from the one or more sources and designed to receive at least a combined flow stream and form a nonwoven web by collecting fiber from the combined flow stream.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: May 31, 2016
    Assignee: Donldson Company, Inc.
    Inventors: Hemant Gupta, Brad E. Kahlbaugh