3807024

Information

• Patent Grant
• 3807024

• References
• Source

• Patent Number

  3,807,024

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • B23K9/0052 - Welding of pipe panels
  • F22B37/58 - Removing tubes from headers or drums Extracting tools
  • Y10S29/048 - Welding with other step
  • Y10T29/49352 - Repairing, converting, servicing or salvaging
  • Y10T29/49737 - Metallurgically attaching preform
  • Y10T29/49895 - Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]

• US Classifications

  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 165 - Heat exchange