Metal treatment – Compositions – Heat treating
Patent
1983-05-05
1990-02-06
Dean, R.
Metal treatment
Compositions
Heat treating
148 115N, 148427, C22F 110
Patent
active
048986224
ABSTRACT:
A nickel-chromium alloy with addition of silver used for ornamental purposes, such as for spectacles frames wherein silver particles of the alloy are arrayed in lines in substantially one direction. The average ratio of the longitudinal distance and width of the line is preferably more than 10.
REFERENCES:
patent: 1992325 (1935-02-01), Schaarwachter
Dean R.
Tokyo Shibaura Denki Kabushiki Kaisha
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