3717458

Information

• Patent Grant
• 3717458

• References
• Source

• Patent Number

  3,717,458

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • B21C45/00 - Separating mandrels from work or vice-versa
  • B21C3/06 - with adjustable section
  • B21C37/18 - conical tubes
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device
  • Y10T137/7287 - Liquid level responsive or maintaining systems

• US Classifications

  • 072 - Metal deforming
  • 137 - Fluid handling