3522647

Information

• Patent Grant
• 3522647

• References
• Source

• Patent Number

  3,522,647

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • B23K37/0417 - for spherical work
  • B21D51/24 - high-pressure containers
  • Y10T29/49893 - Peripheral joining of opposed mirror image parts to form a hollow body

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working