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Title:
ピストンリングおよびその製造方法
Document Type and Number:
Japanese Patent JP6906615
Kind Code:
B2
Abstract:
The invention relates to a piston ring, having a ring body (14) of gray cast iron, which has a region of ledeburite microstructure (4) on at least one ring flank (8), which region of ledeburite microstructure extends to the ring running-surface edge and extends into the ring running surface (10), wherein an anti-wear layer (6) is applied to the ring running surface (10), which anti-wear layer also covers the region of ledeburite microstructure (4). The invention further relates to a method for producing such a piston ring.

Inventors:
Peter Schmidt
Michael Buchman
Marx Ao Miller
Application Number:
JP2019537166A
Publication Date:
July 21, 2021
Filing Date:
September 19, 2017
Export Citation:
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Assignee:
FEDERAL-MOGUL BURSCHEID GMBH
International Classes:
F16J9/26; F02F5/00
Domestic Patent References:
JP2004092714A
JP59141136U
JP57076149A
JP52133019A
JP60188853U
JP2008501911A
Attorney, Agent or Firm:
Haruo Awano