3817805

Information

• Patent Grant
• 3817805

• References
• Source

• Patent Number

  3,817,805

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  51 years ago

• CPC

  • F16L23/026 - by welding
  • B23K9/0282 - for welding tube sections
  • B23K33/006 - for cylindrical workpieces
  • F16L13/0236 - having an outer ring
  • F16L13/0263 - having an internal coating
  • H01P1/042 - Hollow waveguide joints

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings