Title:
METHOD FOR MANUFACTURING VIBRATION PLATE OF SPEAKER
Document Type and Number:
Japanese Patent JP2018064150
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a vibration plate of a speaker, which enables the improvement of the vibration plate in heat resistance, durability and acoustic characteristics.SOLUTION: Disclosed is a method for manufacturing a vibration plate 1 of a speaker, which is arranged by laminating a pair of film layers 3 on a silicone rubber layer 2. The speaker vibration plate 1 is manufactured by the steps of: preparing and kneading a silicone rubber composition; sheeting the silicone rubber composition thus kneaded in a sheet form; laminating a polyether ether ketone resin film through a primer 4 on each face of the resultant silicone rubber composition, thereby forming a laminated intermediate for the vibration plate 1; and thereafter, shaping the laminated intermediate by heat to cure the silicone rubber composition into the silicone rubber layer 2. The folding strength and loss tangent of the vibration plate 1 are improved by compounding the silicone rubber layer 2 superior in heat resistance and other properties, and a polyether ether ketone resin film layer 3. Therefore, the heat resistance, durability and acoustic characteristics can be highly expected to be enhanced.SELECTED DRAWING: Figure 1
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Inventors:
GONDA TAKASHI
TANAKA KIYOFUMI
ISHIDA JUNYA
TANAKA KIYOFUMI
ISHIDA JUNYA
Application Number:
JP2016200288A
Publication Date:
April 19, 2018
Filing Date:
October 11, 2016
Export Citation:
Assignee:
SHINETSU POLYMER CO
International Classes:
H04R31/00; H04R7/02
Domestic Patent References:
| JP2010280911A | 2010-12-16 | |||
| JPS6290369A | 1987-04-24 | |||
| JP2016521056A | 2016-07-14 |
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba