3601878

Information

• Patent Grant
• 3601878

• References
• Source

• Patent Number

  3,601,878

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1971
  53 years ago

• CPC

  • F28F1/32 - the means having portions engaging further tubular elements
  • B21D53/08 - of both metal tubes and sheet metal
  • B23K1/008 - Soldering within a furnace
  • F28F1/28 - the element being built-up from finned sections
  • Y10T29/49366 - Sheet joined to sheet
  • Y10T29/49373 - Tube joint and tube plate structure
  • Y10T29/49904 - Assembling a subassembly, then assembling with a second subassembly

• US Classifications

  • 029 - Metal working
  • 165 - Heat exchange