Process for coating workpieces with bearing metal

Details Process for coating workpieces with bearing metal Process for coating workpieces with bearing metal

2005-04-05

2005-04-05

Koehler, Robert R. (Department: 1775)

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating has specified thickness variation

C205S109000, C205S111000, C205S205000, C205S263000, C205S271000, C205S283000, C205S319000, C428S632000, C428S634000, C428S646000, C428S666000, C428S673000, C428S680000, C428S687000, C428S936000

Reexamination Certificate

active

06875330

ABSTRACT:
A process is provided for coating metallic workpieces with a bearing material, wherein the workpiece first receives a hard chromium plating having a pearl or columnar structure type surface. A predominantly silver layer is then galvanically deposited, which fills in and smooths the pearl or columnar structure type surface of the hard chromium plating. Optionally, additional hard chromium platings and predominantly silver-containing layers may be applied, preferably galvanically. The predominantly silver layer may advantageously contain a graphite component.

REFERENCES:
patent: 3915667 (1975-10-01), Ricks
patent: 5632880 (1997-05-01), Santini
patent: 6355366 (2002-03-01), Santini
patent: 25 02 284 (1975-07-01), None
patent: 199 29 090 (2000-12-01), None
patent: 0 217 126 (1987-04-01), None
patent: 0 315 523 (1992-05-01), None
patent: 0 761 844 (1997-03-01), None

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