3131884

Information

• Patent Grant
• 3131884

• References
• Source

• Patent Number

  3,131,884

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • B21C47/20 - the unreeled material moving transversely to the tangent line of the drum
  • B21C47/245 - Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
  • B65H49/04 - Package-supporting devices
  • B65H49/12 - the reserve packages being mounted to permit manual or automatic transfer to operating position

• US Classifications

  • 242 - Winding, tensioning, or guiding