3547421

Information

• Patent Grant
• 3547421

• References
• Source

• Patent Number

  3,547,421

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • B21B39/14 - Guiding, positioning or aligning work
  • B21C47/262 - Treatment of a wire, while in the form of overlapping non-concentric rings
  • C21D1/84 - Controlled slow cooling
  • C21D9/525 - for wire, for rods
  • C21D9/5732 - of wires; of rods
  • B21B45/0224 - for wire, rods, rounds, bars
  • B21B2045/0236 - Laying heads for overlapping rings on cooling conveyor

• US Classifications

  • 432 - Heating
  • 140 - Wireworking
  • 266 - Metallurgical apparatus