3831952

Information

• Patent Grant
• 3831952

• References
• Source

• Patent Number

  3,831,952

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • F16J9/066 - Spring expander from sheet metal
  • F16J9/00 - Piston-rings
  • F16J9/06 - using separate springs or elastic elements expanding the rings Springs therefor; Expansion by wedging
  • F16J9/067 - corrugated in the radial direction
  • F16J9/20 - Rings with special cross-section Oil-scraping rings
  • F05C2201/0448 - Steel
  • F05C2225/02 - Rubber
  • F05C2225/04 - PTFE [PolyTetraFluorEthylene]

• US Classifications

  • 277 - Seal for a joint or juncture
  • 092 - Expansible chamber devices