Damper for a loudspeaker and a method for producing the same

Details Damper for a loudspeaker and a method for producing the same Damper for a loudspeaker and a method for producing the same

1995-03-27

1999-03-02

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381426, 381396, 381403, 381404, 381405, 381413, 181166, 181169, H04R 100, H04R 906, H04R 1102

Patent

active

058781501

ABSTRACT:
A damper for a loud speaker is produced by molding a substrate into a desired shape in which a fabric or knitted cloth composed of core-sheath type conjugate fibers composed of filaments having a core-sheath type structure is used as the substrate. A resin used for forming a core material in the core-sheath type structure functions as a matrix of the substrate. A sheath material having a lower melting point than that of the core material functions as an excipient, and is fused by a heat treatment and then solidified during the molding process, so as to bond together the intersections of fibers constituting the substrate and to cover the surface of the fibers. Thus, only a simple substrate production process is required and a damper for a loud speaker having excellent moldability, water-proofness, and durability is obtained.

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Search Report for European Appl. 95104511.1, Mailed Jul. 13, 1995.

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