Fastening devices

Details Fastening devices Fastening devices

1993-11-24

1995-10-10

Heinrich, Samuel M.

Metal fusion bonding

Process

With subsequent treating other than heating of bonded parts...

2282622, 148525, 148537, 427575, 427577, 427585, 106 1444, B23K 3102

Patent

active

054564069

ABSTRACT:
Fastening devices such as washers, seals and drive pins subject to corrosive deterioration of all or select portions thereof wherein all or such select portions are protected from such corrosion and failure by a thin coating or coatings of hard surface material or materials. In a preferred form, the fastening device is coated with a synthetic diamond material formed as a thin layer in situ thereon. In addition to preventing moisture and other corrosive material from penetrating to the base metal, such synthetic diamond material serves to preserve the surface integrity of the fastening device preventing the formation or spread of surface flaws produced during use or during the fabrication of the fastening device.

REFERENCES:
patent: 5040501 (1991-08-01), Lemelson
patent: 5288556 (1994-02-01), Lemelson

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