3456333

Information

• Patent Grant
• 3456333

• References
• Source

• Patent Number

  3,456,333

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • E01B11/52 - Joints made by alumino-thermal welding
  • B23K37/003 - Cooling means
  • C21D9/50 - for welded joints
  • E01B11/44 - Non-dismountable rail joints Welded joints
  • E01B11/46 - General methods for making gapless tracks
  • E01B31/18 - Reconditioning or repairing worn or damaged parts on the spot
  • B23K2201/26 - Railway or like rails
  • Y10T29/49865 - by temperature differential [e.g., shrink fit]

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 104 - Railways
  • 148 - Metal treatment
  • 219 - Electric heating