Spraying piston ring

Details Spraying piston ring Spraying piston ring

2007-10-09

2007-10-09

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

C428S564000, C428S614000, C428S677000, C428S684000, C384S907000, C384S913000

Reexamination Certificate

active

10501503

ABSTRACT:
A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % of graphite, and if necessary, P, Sb, Co, Be, Cr, Mn, Si, Cd, Zn, Fe, Ni and/or Pb, the balance essentially consisting of Cu.

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