Embossing apparatus for inorganic board and method of embossing

Details Embossing apparatus for inorganic board and method of embossing Embossing apparatus for inorganic board and method of embossing

1995-07-25

1996-12-17

Burr, Edgar S.

Printing

Embossing or penetrating

Processes

101 4, B31F 107

Patent

active

055842402

ABSTRACT:
An embossing apparatus for inorganic board and the method of embossing thereby are provided in the present invention. In the present invention, an uncured mat of inorganic board set on a lower fixed plate is embossed by a flexible mold plate of a upper movable plate wherein the surface of said flexible mold plate divided into a plural number of square patterns enclosed by ridges and said flexible mold plate is bent downward and convexly such that the ridge lines of said ridges on both sides of the lowest part of said flexible mold plate are respectively situated at the same level as the lowest part or higher than the lowest part.

REFERENCES:
patent: 1114620 (1914-10-01), McLaurin
patent: 2134754 (1938-11-01), Flint et al.
patent: 2702411 (1955-02-01), Winstead
patent: 4624181 (1986-11-01), Anderson
patent: 5031525 (1991-07-01), Kent et al.
patent: 5479853 (1996-01-01), Carroll et al.
Kramer, "Replication of Dffraction Gratings by Embossing Techniques", Xerox Disclosure Journal, vol. 7 No. 6. Dec. 1982.

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