3797647

Information

• Patent Grant
• 3797647

• References
• Source

• Patent Number

  3,797,647

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • B65D85/66 - for jumbo rolls for rolls of floor covering
  • B65B63/04 - for folding or winding articles
  • B65D85/671 - wound in flat spiral form
  • B65D85/672 - on cores
  • B65H18/10 - Mechanisms in which power is applied to web-roll spindle
  • B65H75/025 - specially adapted for winding or storing webs with the confronting layers spaced from each other

• US Classifications

  • 206 - Special receptacle or package
  • 053 - Package making
  • 242 - Winding, tensioning, or guiding