3815837

Information

• Patent Grant
• 3815837

• References
• Source

• Patent Number

  3,815,837

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • B21C47/18 - from reels or drums
  • B21C47/323 - Slits or pinces on the cylindrical wall of a reel or bobbin, adapted to grip the end of the material being wound
  • B65H75/28 - Arrangements for positively securing ends of material
  • Y10S242/913 - Safety device

• US Classifications

  • 242 - Winding, tensioning, or guiding