Title:
COMPOSITE BOARD
Document Type and Number:
Japanese Patent JP3258645
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a composite board which is equipped with sound absorption characteristics from a low-pitched sound region to a high-pitched sound region, the sound absorption characteristics in a middle-pitched sound region is high, and insulating characteristics of the same degree as that of glass-wool.
SOLUTION: A plate body 2 comprising glass-wool is superimposed on a coconut mat 3 comprising coconut fiber, which is covered with a covering material 4.
Inventors:
Hideaki Tsujimoto
Yoshiaki Suenaga
Mizuguchi Junsheng
Yoshiaki Suenaga
Mizuguchi Junsheng
Application Number:
JP33421499A
Publication Date:
February 18, 2002
Filing Date:
November 25, 1999
Export Citation:
Assignee:
Goyo Construction Co., Ltd.
International Classes:
G10K11/16; B32B5/26; B32B17/06; E04B1/76; E04B1/82; E04C2/16; E04C2/24; (IPC1-7): B32B17/06; B32B5/26
Domestic Patent References:
| JP11226919A | ||||
| JP10235665A | ||||
| JP994887A | ||||
| JP994811A | ||||
| JP11202872A |
Attorney, Agent or Firm:
Isao Sasaki (1 person outside)
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