发明名称 METHOD FOR COATING NATURAL STONE OR SYNTHETIC STONE
摘要 <p>PURPOSE: To provide the method for coating a natural stone or synthetic stone capable of coating the natural stone or synthetic stone, and also capable of obtaining a hard coating. CONSTITUTION: At first, a palladium soln. is applied on a hematite series natural stone 21 to form a palladium layer 22. Then, nickel is plated on the hematite natural stone 21 by electroless plating to form a nickel layer 23 on the top surface of the palladium layer 22. Then, copper, nickel and 24-carat gold are plated in this order on the top surface of the nickel layer 23 by electroplating to form a copper layer 24, nickel layer 25 and gold layer 26, to obtain a coated matter 27. Then, the hematite series natural stone 21 of the coated matter 27 is magnetized to form a permanent magnet. The strength of magnetization is decided properly in accordance with application.</p>
申请公布号 JPH08127891(A) 申请公布日期 1996.05.21
申请号 JP19940265227 申请日期 1994.10.28
申请人 SHOEI SHOKAI:KK 发明人 MOCHIZUKI TAKAO
分类号 A61N2/08;B05D5/12;B05D7/00;B05D7/24;B32B19/00;C23C18/31;C25D5/12;C25D7/00;(IPC1-7):C25D5/12 主分类号 A61N2/08
代理机构 代理人
主权项
地址