Title:
DEVICE FOR MANUFACTURING HIGH STRENGTH INORGANIC FIBER BOARD
Document Type and Number:
Japanese Patent JPS5392869
Kind Code:
A
Abstract:
PURPOSE: To provide a high strength fiber board having most desirable compositions of the skin and the core layer, and high degree of fiber orientation, by a device having three or more raw material supply boxes each having a slit die.
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Inventors:
YASUE TOSHIHIKO
INUI TAKASHI
INUI TAKASHI
Application Number:
JP695177A
Publication Date:
August 15, 1978
Filing Date:
January 26, 1977
Export Citation:
Assignee:
IBIGAWA ELECTRIC IND CO LTD
International Classes:
B28B1/52; B28B1/42; (IPC1-7): B28B1/42; B28B1/52; B29J5/00