Title:
サイドレール
Document Type and Number:
Japanese Patent JP6530200
Kind Code:
B2
Abstract:
A side rail (1) in a sprit ring shape is to be mounted on a space expander (2) and to constitute, together with the space expander (2), a multi-piece oil ring (3) used in an internal combustion engine. The side rail (1) includes an outer peripheral surface (14) facing radially outward, an inner peripheral surface (13) facing radially inward, a first axial surface (11) facing one end of an axial direction, and a second axial surface (12) facing the other end of the axial direction and parallel to the first axial surface (11). A bevelled portion (30) is provided between the outer peripheral surface (14) and the second axial surface (12) and formed in a tapered surface having a diameter gradually decreasing from a position on the outer peripheral surface (14) at 0.05 mm or more from the first axial surface (11) toward the second axial surface (12).
Inventors:
Shimizu Taishi
Murayama Katsumi
Murayama Katsumi
Application Number:
JP2015033364A
Publication Date:
June 12, 2019
Filing Date:
February 23, 2015
Export Citation:
Assignee:
Riken Co., Ltd.
International Classes:
F16J9/06; F02F5/00; F16J9/20
Domestic Patent References:
| JP2003194222A | ||||
| JP2013130231A | ||||
| JP62018467U | ||||
| JP4111959U | ||||
| JP2003074704A | ||||
| JP2011075065A |
Foreign References:
| WO2011040066A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Keisuke Kawahara
Kenichiro Kataoka
Keisuke Kawahara
Kenichiro Kataoka