3783498

Information

• Patent Grant
• 3783498

• References
• Source

• Patent Number

  3,783,498

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  51 years ago

• CPC

  • B21D47/04 - composite sheet metal profiles
  • B23K13/043 - Seam welding
  • E04C3/07 - at least partly of bent or otherwise deformed strip- or sheet-like material
  • E04C2003/0413 - being built up from several parts
  • E04C2003/043 - the hollow cross-section comprising at least one enclosed cavity
  • E04C2003/046 - L- or T-shaped
  • Y10T29/49625 - Openwork, e.g., a truss, joist, frame, lattice-type or box beam
  • Y10T29/49634 - Beam or girder

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working