Title:
【発明の名称】多様なデニールのポリエステルコア繊維と不規則に配向している補強用繊維を伴う積層構造物および製造方法
Document Type and Number:
Japanese Patent JP2002526296
Kind Code:
A
Abstract:
A laminated panel-type structure particularly suited for vehicle interior applications such as headliners and door panels has a multiple denier polyester fiber core and randomly oriented structural reinforcing fibers. The laminated structure has superior sound attenuation properties resulting from a core of intertwined polyester fibers of differing deniers, with preferably relatively larger denier fibers on exterior areas of the core and some bicomponent fibers, short non-woven reinforcing fiber strands which are randomly attached and intertwined with the core on opposing major sides of the core, an impervious polymer film with a low melt layer which retains the reinforcing fibers against one side of the core and is attached to a scrim layer, and a polymer web on an opposite side of the core which retains the reinforcing fiber strands on the opposing major side of the core and to which a cover stock is applied. The invention further includes a method of manufacturing the laminated structure wherein the various layers are sequentially unfurled from spools, passed through nip rollers at points of various subcombinations of materials and layers, the reinforcing fiber strands are randomly distributed on to the carrying layers from hoppers or directly from a fiber chopping device, and the completed laminated structure is cut and molded.
Inventors:
Fretemia, Todd
Robert Ettt
Long, richard
Robert Ettt
Long, richard
Application Number:
JP2000573909A
Publication Date:
August 20, 2002
Filing Date:
September 20, 1999
Export Citation:
Assignee:
Windray Industries Incorporated
International Classes:
B60R13/02; B32B5/26; B32B5/28; B32B27/36; D04H1/42; D04H1/54; D04H13/00; (IPC1-7): B32B5/28; B32B27/36; B60R13/02; D04H1/42; D04H1/54
Attorney, Agent or Firm:
Heiyoshi Odashima