Coating processes – Interior of hollow article coating – Rotating the article
Patent
1999-07-28
2000-09-26
Beck, Shrive
Coating processes
Interior of hollow article coating
Rotating the article
427241, 427436, 427345, B05D 722, B05D 118
Patent
active
061239895
ABSTRACT:
A spinning rotor (1) with a spinning cup (2) has an interior surface coated with a nickel dispersion layer (6) of an essentially even layer thickness having a concentration of hard material grains (7) embedded therein which is clearly less at the surface of the fiber slide face (9) than in the rotor groove. The coating is produced by bathing the spinning cup in a nickel dispersion bath during the final stage of which the concentration of the hard material grains in the bath is reduced at least in the bathing area, while the spinning cup is moved in this bath and rotated around its longitudinal axis while maintaining the spinning cup in a spatial orientation relative to the bath wherein an imaginary plane passing through the rotor groove is at least approximately perpendicular to the surface of the nickel dispersion bath.
REFERENCES:
patent: 4358923 (1982-11-01), Feldstein
patent: 4547407 (1985-10-01), Spencer, Jr.
patent: 4662170 (1987-05-01), Raasch
patent: 4866927 (1989-09-01), Fetzer et al.
patent: 4928477 (1990-05-01), Kalitzki et al.
patent: 6047538 (2000-04-01), Wassenhoven
Schlomer Bert
Schneider Harald
Schurmann Gottfried
Beck Shrive
Calcagni Jennifer
W. Schlafhorst AG & Co.
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