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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 (1488-107, Kouzubeta, Ishinden Tsu-shi Mie, 514-0061, JP)
Kaneko, Shinya (Room 707, Inoac-haitsu-Anjyo 2-6, Imaikecho 2-chome Anjyo-shi Aichi, 446-0071, JP)
Ikeda, Kiyosi (67-9, Nijigaokacho Matsusaka-shi Mie, 515-0042, JP)
Yamasaki, Hiroko (1386-98, Hiokacho Matsusaka-shi Mie, 515-0835, JP)
Application Number:
PCT/JP2000/001335
Publication Date:
September 14, 2000
Filing Date:
March 06, 2000
Export Citation:
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Assignee:
INOAC CORPORATION (13-4, Meiekiminami 2-chome Nakamura-ku, Nagoya-shi Aichi, 450-0003, JP)
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1006, Oaza Kadoma Kadoma-shi Osaka, 571-8501, JP)
Mizone, Sinya (1488-107, Kouzubeta, Ishinden Tsu-shi Mie, 514-0061, JP)
Kaneko, Shinya (Room 707, Inoac-haitsu-Anjyo 2-6, Imaikecho 2-chome Anjyo-shi Aichi, 446-0071, JP)
Ikeda, Kiyosi (67-9, Nijigaokacho Matsusaka-shi Mie, 515-0042, JP)
Yamasaki, Hiroko (1386-98, Hiokacho Matsusaka-shi Mie, 515-0835, JP)
International Classes:
H04R7/22; H04R7/20; H04R31/00; (IPC1-7): H04R7/20
Foreign References:
JPS5623097A
JPS63286098A
JPH0833095A
Other References:
See also references of EP 1077585A1
Attorney, Agent or Firm:
Miyakoshi, Noriaki (Shin-ei Patent Office ARK Mori Building, 29th floor 12-32, Akasaka 1-chome Minato-ku Tokyo, 107-6029, JP)
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