Patents Assigned to NITTO ADVANCED FILM GRONAU GMBH
  • Patent number: 11889902
    Abstract: A hook-and-loop fastener has a hook element comprising a substrate having a face from which projects a multiplicity of hooks and a loop element formed by of a fiber web. The fiber web is formed by a homogenous mixture of first multicomponent filaments each formed by a high-melting-point polymer and a low-melting-point polyolefinic polymer and second polyolefinic monocomponent filaments. The first filaments constitute between 20% and 80% by weight of the mixture. The fiber web has a face formed with a patterned array of dense bonded regions of a predetermined small thickness interspersed with less dense open regions of a predetermined big thickness substantially greater than the small thickness of the small thickness interspersed with less dense open regions of a predetermined big thickness substantially greater than the small thickness of the bonded regions so that the filaments of the open regions form loops.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: February 6, 2024
    Assignee: NITTO ADVANCED FILM GRONAU GMBH
    Inventors: Jan Michael Trinkaus, Kristin Wendt