3865640

Information

• Patent Grant
• 3865640

• References
• Source

• Patent Number

  3,865,640

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  49 years ago

• CPC

  • C22F1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
  • B21B45/023 - by immersion in a bath
  • B21C47/242 - Devices for swinging the coil from horizontal to vertical, or vice versa
  • B21C47/26 - Special arrangements with regard to simultaneous or subsequent treatment of the material
  • C21D1/63 - for bath quenching
  • C21D9/54 - Furnaces for treating strips or wire
  • C22F3/00 - Changing the physical structure of non-ferrous metals or alloys by special physical methods
  • C21D1/50 - Oil baths

• US Classifications

  • 148 - Metal treatment
  • 134 - Cleaning and liquid contact with solids