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Title:
熱成形可能な吸音シート
Document Type and Number:
Japanese Patent JP2004504517
Kind Code:
A
Abstract:
A thermoformable acoustic sheet formed by a compressed fibrous web includes high melt fibers and adhesive thermoplastic fibers in which the adhesive fibers are at least partially melted so that in the compressed web the adhesive fibers at least partially coat the high melt fibers and reduce the interstitial space in the fiber matrix. Also included are methods of producing a thermoformable acoustic sheet which includes heating a fiber web including high melt and adhesive thermoplastic fibers to at least partially melt the adhesive fibers and compressing the web to form a sheet so that the adhesive fibers at least partially coat the high melt fibers to reduce the interstitial space in the fiber matrix.

Inventors:
Coats, michael william
Keeskowski, Marek
Application Number:
JP2002514711A
Publication Date:
February 12, 2004
Filing Date:
July 19, 2001
Export Citation:
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Assignee:
INC Corporation Proprietary Limited
International Classes:
B29C43/22; B29C43/28; B29C51/00; B32B5/26; D04H1/542; D04H1/42; D04H1/46; D04H1/54; D04H1/541; D04H1/55; D04H1/559; D04H1/58; D04H1/593; D04H1/60; D04H3/16; D04H13/00; E04B1/74; E04B1/84; G10K11/00; G10K11/16; G10K11/162; B60R13/08; (IPC1-7): D04H1/54; D04H1/42; G10K11/16; G10K11/162
Domestic Patent References:
JPH11200244A1999-07-27
JP2001513217A2001-08-28
JPH1158571A1999-03-02
JPH08132990A1996-05-28
JPH06503865A1994-04-28
JPH10245755A1998-09-14
JP2000511244A2000-08-29
Foreign References:
WO1988009406A11988-12-01
US5068001A1991-11-26
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo