3880700

Information

• Patent Grant
• 3880700

• References
• Source

• Patent Number

  3,880,700

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  50 years ago

• CPC

  • B31B19/86 - Forming integral handles or mounting separate handles
  • B29C65/02 - by heating, with or without pressure
  • B29C65/18 - using heated tools
  • B29C65/30 - Electrical means
  • B29C65/7891 - of discontinuously moving sheets or webs
  • B29C66/1122 - Single lap to lap joints
  • B29C66/47 - Joining single elements to sheets, plates or other substantially flat surfaces
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/8432 - Machines for making separate joints at the same time mounted in parallel or in series
  • B29C66/8511 - Bag making machines
  • B29C66/474 - said single elements being substantially non-flat
  • B29C66/61 - Joining from or joining on the inside
  • B29C66/69 - General aspects of joining filaments
  • B29C2793/0018 - for making a hole
  • B29L2031/463 - Grips, handles
  • B29L2031/71 - Eyelets
  • B29L2031/7129 - open
  • B31B2219/9077 - Mounting separate handles on bags, sheets or webs
  • Y10S493/909 - having handle or suspension means
  • Y10T156/1309 - and securing separate part over hole or aperture

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 493 - Manufacturing container or tube from paper