JPH02131055U - - Google Patents

Info

Publication number

JPH02131055U

JPH02131055U JP4061789U JP4061789U JPH02131055U JP H02131055 U JPH02131055 U JP H02131055U JP 4061789 U JP4061789 U JP 4061789U JP 4061789 U JP4061789 U JP 4061789U JP H02131055 U JPH02131055 U JP H02131055U

Authority

JP

Japan

Prior art keywords

crown portion

annular space

ring groove

piston structure

partial annular

Prior art date

1989-04-06

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000003921 oil Substances 0.000 description 3
• 239000010687 lubricating oil Substances 0.000 description 1

Cited By (3)