3640790

Information

• Patent Grant
• 3640790

• References
• Source

• Patent Number

  3,640,790

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C65/18 - using heated tools
  • B29C65/743 - using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
  • B29C65/7473 - using radiation
  • B29C66/1122 - Single lap to lap joints
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B65B51/24 - to produce bead seals
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/81821 - of the welding jaws
  • B29C66/9161 - by controlling or regulating the heat or the thermal flux
  • B29C66/934 - by controlling or regulating the speed
  • B29C66/94 - by measuring or controlling the time
  • Y10T156/1054 - and simultaneously bonding [e.g., cut-seaming]
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 383 - Flexible bags