3428239

Information

• Patent Grant
• 3428239

• References
• Source

• Patent Number

  3,428,239

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • B65H81/08 - by feeding material obliquely to the axis of the core
  • B29C53/60 - using internal forming surfaces
  • B29C63/105 - continuously
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B31C3/04 - Seam processing
  • B65D3/00 - Containers having bodies or peripheral walls of curved or partially curved cross-section made by winding or bending paper without folding along defined lines
  • B65D3/22 - with double walls with walls incorporating air-chambers with walls made of laminated material
  • B65D15/04 - with curved, or partially curved, walls made by winding or bending paper
  • B29C65/106 - using flames coming in contact with at least one of the parts to be joined
  • B29C66/45 - Joining of substantially the whole surface of the articles
  • B29C66/83415 - the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle
  • B29C66/83433 - the contact angle between said rollers, cylinders or drums and said bands or belts being a non-zero angle
  • B29C2793/009 - after shaping
  • B29K2711/123 - Coated
  • Y10S220/906 - Beverage can

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 220 - Receptacles