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)
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:
Assignee:
INOUE MTP KK (JP)
MATSUSHITA ELECTRIC IND CO LTD (JP)
MIZONE SINYA (JP)
KANEKO SHINYA (JP)
IKEDA KIYOSI (JP)
YAMASAKI HIROKO (JP)
MATSUSHITA ELECTRIC IND CO LTD (JP)
MIZONE SINYA (JP)
KANEKO SHINYA (JP)
IKEDA KIYOSI (JP)
YAMASAKI HIROKO (JP)
International Classes:
H04R7/20; H04R7/22; H04R31/00; (IPC1-7): H04R7/20
Foreign References:
| JPS5623097A | 1981-03-04 | |||
| JPS63286098A | 1988-11-22 | |||
| JPH0833095A | 1996-02-02 |
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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