Method of diffusion cladding a Fe-containing base material for decorative articles and ornaments with precious metal constituents including Ag

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4475991
SERIAL NO

06479022

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The overlaying of a Fe-containing metallic material such as stainless steel which constitutes an anti-abrasive and sweat-proof base for decorative articles and ornaments, with a precious metal alloy such as a gold 18 carats fine which contains Ag is made by at least two steps, viz.; a first step which comprises plating selected surfaces of the base material with the constituents of said alloy but excluding Ag constituent in any desired order and one at a time in a plurality of first successive layers, and heating said first layers to cause them to diffuse to each other and with the base material; and a second step which comprises plating said surfaces further with all or selected ones of the constituents of said alloy and including the primary and Ag constituents in any desired order and one at a time in a plurality of second successive layers, and heating the second layers to cause them to diffuse to each other and with the first layers.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHUGAI DENKI KOGYO KABUSHIKI-KAISHA A CORP OF JAPAN13/3 NIHONBASHI-KAYABACHO 2-CHOME CHUO-KU TOKYO

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibata, Akira Yokohama, JP 152 1140

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation