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Title:
PREPARATION OF COMPOSITE MATERIAL FOR ACCESSORIES BY EXPLOSIVE COMPRESSION METHOD
Document Type and Number:
Japanese Patent JPS59193202
Kind Code:
A
Abstract:

PURPOSE: To prepare a composite material for accessories of which the cross-sectional area is colored with two or more colors and having an arbitrary shaped design, by a method wherein metals having various shapes and different colors are sealed in a metal cylinder and, after the inside of said cylinder is evacuated and both ends thereof are hermetically closed, explosive compression is performed from the outside.

CONSTITUTION: A steel cock 6 attached to the lower end of a thin walled stainless steel tube 3 and a brass rod 5 is inserted through the center of the cock 6 while the stainless steel tube 3 is filled with a mixture consisting of a 200-mesh stainless steel powder and granular Cu. A steel cock 1 having a Cu-tube 8 attached thereto is fixed to the tube 3 which is, in turn, evacuated through the Cu-tube 8 and the Cu-tube 8 is pressed to hermetically close the tube 3. This structure is turned upside down to be coaxially arranged in a paper cylinder 10 and the space therebetweeen is filled with a powdery explosive and allowed to explode by an electric detonator 13 to compress the stainless steel tube 3. By this method, a composite material for accessories having a stainless steel surface wherein the central part thereof is a golden color and red circles are scattered to the outer periphery thereof and beautiful color tone is obtained.


Inventors:
NOMURA JIYUNICHI
TAGO HISAO
Application Number:
JP6778283A
Publication Date:
November 01, 1984
Filing Date:
April 19, 1983
Export Citation:
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Assignee:
ASAHI CHEMICAL IND
International Classes:
B22F3/08; B22F5/00; B22F7/04; B22F7/08; B23K20/08; B28B1/00; B29C63/00; B30B11/00; B30B11/02; B32B37/00; B44C1/18; C22C47/14; (IPC1-7): B22F3/08; B22F7/04; B23K20/08; B28B1/00; B30B11/00; B32B31/00; B44C1/18; C22C1/09
Domestic Patent References:
JPS57161004A1982-10-04
JPS50129411A1975-10-13
JP36001952A



 
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