Title:
A shape measurement method and a form measuring apparatus of a piston ring
Document Type and Number:
Japanese Patent JP5955754
Kind Code:
B2
More Like This:
Inventors:
Yoshioka Manabu
Application Number:
JP2012263472A
Publication Date:
July 20, 2016
Filing Date:
November 30, 2012
Export Citation:
Assignee:
Nippon Piston Ring Co., Ltd.
International Classes:
G01B21/20; F02F5/00; F16J9/00; F16J15/00; G01B3/34; G01B5/24; G01B21/22
Domestic Patent References:
| JP2006337164A | ||||
| JP62066102A | ||||
| JP2001208650A | ||||
| JP8119452A | ||||
| JP2163569A |
Foreign References:
| US20100139108 |
Attorney, Agent or Firm:
Shunichi Yoshimura