Title:
SPEAKER DIAPHRAGM
Document Type and Number:
Japanese Patent JPS5928797
Kind Code:
A
Abstract:
PURPOSE: To obtain a large internal loss and excellent adhesive and forming performance, by using a modified polypropylene obtained with a polypropylene reacted with an unsaturated carboxylic acid as a surface member of a honey- comb diaphragm.
CONSTITUTION: The modified polypropylene obtained by reacting the unsaturated carboxylic acid to the polypropylene is used for the surface member 21 in the honey-comb diaphragm coating the surface member 21 on the surface of a honey-comb core member 22. Thus, the honey-comb diaphragm having a large internal loss of the polypropylene and excellent adhesive and forming performance is attained.
Inventors:
TANAKA JIYUNICHI
BABA FUMIAKI
MIYAO KUNIHIKO
KIMURA HIROO
II YASUAKI
MORI HIROSHI
BABA FUMIAKI
MIYAO KUNIHIKO
KIMURA HIROO
II YASUAKI
MORI HIROSHI
Application Number:
JP13829782A
Publication Date:
February 15, 1984
Filing Date:
August 09, 1982
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
MITSUBISHI RAYON CO
MITSUBISHI RAYON CO
International Classes:
H04R7/08; B32B3/12; H04R7/10; (IPC1-7): B32B3/12; H04R7/08
Attorney, Agent or Firm:
Masuo Oiwa
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