Method for coating an inclined surface with powder

Details Method for coating an inclined surface with powder Method for coating an inclined surface with powder

1991-07-30

1993-09-28

Owens, Terry J.

Coating processes

Solid particles or fibers applied

Interior or hollow article coating

427180, 427201, 427203, 427310, 264112, 419 8, B05D 112

Patent

active

052485234

ABSTRACT:
A method for coating an annular inclined surface of a part with a powder prior to sintering, in which a lower annular axial surface is provided below and extending the inclined surface of the part. Along the axis of the part, a central tool is arranged having a lower axial surface slidable relative to the lower annular axial surface and an annular inclined surface above the lower axial surface and facing the annular inclined surface of the part. The part and the tool define an annular gap which is closed at the bottom portion and which has an open annular upper end above the annular inclined surface and the inclined surface of the part. The annular gap is filled with a powder through the open upper end which is then closed, and the part with the lower annular axial surface and the central tool are then relatively displaced, causing the inclined surface of the part and the annular inclined surface to become closer and compress the powder against the annular inclined surface of the part.

REFERENCES:
patent: 2287952 (1942-06-01), Tormyn
patent: 3027269 (1962-03-01), Teshima et al.
patent: 3037860 (1962-06-01), Masterson et al.
patent: 3492120 (1970-01-01), Haller
patent: 4657734 (1987-04-01), Yamada et al.
patent: 4931117 (1990-06-01), Muller et al.
patent: 4940565 (1990-07-01), Muller

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