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Patent Searching and Data


Title:
SPEAKER EDGE
Document Type and Number:
WIPO Patent Application WO/2000/054555
Kind Code:
A1
Abstract:
A speaker edge having a high strength, a less variation of f¿0?, a high waterproofness, and a small amplitude of resonance, easily moldable, and easily produced integrally with the corn body. The speaker edge is molded by inputting a material composition for a speaker edge containing isocyanate and polyol into a mold by means of an agitator/mixer and reacting, foaming, and solidifying the composition.

Inventors:
MIZONE SINYA (JP)
KANEKO SHINYA (JP)
IKEDA KIYOSI (JP)
YAMASAKI HIROKO (JP)
Application Number:
PCT/JP2000/001335
Publication Date:
September 14, 2000
Filing Date:
March 06, 2000
Export Citation:
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Assignee:
INOUE MTP KK (JP)
MATSUSHITA ELECTRIC IND CO LTD (JP)
MIZONE SINYA (JP)
KANEKO SHINYA (JP)
IKEDA KIYOSI (JP)
YAMASAKI HIROKO (JP)
International Classes:
H04R7/22; H04R7/20; H04R31/00; (IPC1-7): H04R7/20
Foreign References:
JPS5623097A1981-03-04
JPS63286098A1988-11-22
JPH0833095A1996-02-02
Other References:
See also references of EP 1077585A4
Attorney, Agent or Firm:
Miyakoshi, Noriaki (29th floor 12-32, Akasaka 1-chome Minato-ku Tokyo, JP)
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