SOUND ABSORVING PLATE AND ITS PRODUCING METHOD

Title:

SOUND ABSORVING PLATE AND ITS PRODUCING METHOD

Document Type and Number:

Japanese Patent JPS5222901

Kind Code:

A

Abstract:

PURPOSE: To produce a light sound absorbing plate which has water permeability by using grain perlight with high sound absorption rate.

Inventors:

KONISHI MUTSUO
SATOU JIROU
KONISHI HIROSHIGE

Application Number:

JP9850375A

Publication Date:

February 21, 1977

Filing Date:

August 15, 1975

Export Citation:

Assignee:

CHICHIBU CEMENT KK
KONISHI MUTSUO
KONISHI HIROSHIGE

International Classes:

G10K11/162; E04B1/86; G10K11/02; G10K11/16; (IPC1-7): G10K11/02

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