3231444

Information

• Patent Grant
• 3231444

• References
• Source

• Patent Number

  3,231,444

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1966
  58 years ago

• CPC

  • B65D75/5877 - connected to a planar surface of the package wall
  • B29C65/028 - making use of inherent heat
  • B29C65/14 - using wave energy
  • B29C65/20 - with direct contact
  • B29C66/003 - Protecting areas of the parts to be joined from overheating
  • B29C66/004 - Preventing sticking together
  • B29C66/0342 - Cooling
  • B29C66/112 - Single lapped joints
  • B29C66/114 - Single butt joints
  • B29C66/131 - Single flanged joints
  • B29C66/232 - said joint lines being multiple and parallel
  • B29C66/24221 - being circular
  • B29C66/30223 - said melt initiators being rib-like
  • B29C66/349 - Cooling the welding zone on the welding spot
  • B29C66/47421 - said spouts comprising flanges
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C65/1412 - Infrared [IR] radiation
  • B29C65/1432 - direct heating of the surfaces to be joined
  • B29C66/3492 - by means placed on the side opposed to the welding tool
  • B29L2031/7128 - Bags, sacks, sachets

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture