Method for coating rings, coating equipment and coating jig
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United States of America Patent
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-
May 14, 1996
Grant Date -
N/A
app pub date -
Oct 20, 1994
filing date -
Oct 26, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plurality of piston rings 70 are set at intervals in the axial direction, on the outer circumference of a cylindrical member 6 of a coating jig 5. The coating jig 5 is supported to allow horizontal rotation and conveyed to the coating process by a chain conveyor 40. In the coating process, simultaneously with the rotation of the coating jig 5 by a drive means 51, a pair of coating guns 54 and 55 placed at a position above the coating jig 5, apply a coating to the upper surfaces 70a and the lower surfaces 70b of the piston rings 70 while moving along the axial direction of the coating jig 5.
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