METHOD FOR PRODUCING DIAPHRAGM FOR SPEAKER - MATSUSHITA ELECTRIC IND CO LTD

Title:

METHOD FOR PRODUCING DIAPHRAGM FOR SPEAKER

Document Type and Number:

WIPO Patent Application WO/2006/114979

Kind Code:

A1

Abstract:

Disclosed is a method for producing a diaphragm for speakers which comprises a step wherein a composite material is obtained by substituting the moisture in a chemical fiber with a granular resin and another step wherein the composite material is injection-molded.

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Inventors:

KAJIHARA YOSHIMICHI
SUZUMURA MASAKI
MIZONE SHINYA

Application Number:

PCT/JP2006/306626

Publication Date:

November 02, 2006

Filing Date:

March 30, 2006

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
KAJIHARA YOSHIMICHI
SUZUMURA MASAKI
MIZONE SHINYA

International Classes:

H04R31/00; H04R7/02; H04R7/12

Foreign References:

JPH02150200A	1990-06-08
JPH02293000A	1990-12-04
JP2001268686A	2001-09-28

Attorney, Agent or Firm:

Iwahashi, Fumio c/o Matsushita (Electric Industrial Co. Ltd., 1006, Oaza Kadom, Kadoma-shi Osaka 01, JP)

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