GB9304997D0 - Method of machining oil ring assemblies - Google Patents

Method of machining oil ring assemblies

Info

Publication number
GB9304997D0
GB9304997D0 GB939304997A GB9304997A GB9304997D0 GB 9304997 D0 GB9304997 D0 GB 9304997D0 GB 939304997 A GB939304997 A GB 939304997A GB 9304997 A GB9304997 A GB 9304997A GB 9304997 D0 GB9304997 D0 GB 9304997D0
Authority
GB
United Kingdom
Prior art keywords
oil ring
ring assemblies
machining oil
machining
assemblies
Prior art date
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.)
Granted
Application number
GB939304997A
Other versions
GB2263326A (en
GB2263326B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riken Corp
Original Assignee
Riken Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Riken Corp filed Critical Riken Corp
Publication of GB9304997D0 publication Critical patent/GB9304997D0/en
Publication of GB2263326A publication Critical patent/GB2263326A/en
Application granted granted Critical
Publication of GB2263326B publication Critical patent/GB2263326B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/06—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from one piece
    • B23P15/065—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from one piece from metal strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/11—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding the circumferential surface of rings, e.g. piston rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • F16J9/064—Rings with a flat annular side rail
    • F16J9/066—Spring expander from sheet metal
    • F16J9/068—Spring expander from sheet metal corrugated in the axial direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Forging (AREA)
GB9304997A 1989-12-22 1993-03-11 Method of machining oil ring assemblies Expired - Fee Related GB2263326B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1330998A JPH03193221A (en) 1989-12-22 1989-12-22 Method for working lug part of spacer expander

Publications (3)

Publication Number Publication Date
GB9304997D0 true GB9304997D0 (en) 1993-04-28
GB2263326A GB2263326A (en) 1993-07-21
GB2263326B GB2263326B (en) 1993-11-03

Family

ID=18238691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304997A Expired - Fee Related GB2263326B (en) 1989-12-22 1993-03-11 Method of machining oil ring assemblies

Country Status (2)

Country Link
JP (1) JPH03193221A (en)
GB (1) GB2263326B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013054807A1 (en) 2011-10-14 2013-04-18 株式会社リケン Combined oil control ring
JP6228452B2 (en) 2013-12-26 2017-11-08 株式会社リケン Combination oil control ring

Also Published As

Publication number Publication date
JPH03193221A (en) 1991-08-23
GB2263326A (en) 1993-07-21
GB2263326B (en) 1993-11-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980921