3461019

Information

• Patent Grant
• 3461019

• References
• Source

• Patent Number

  3,461,019

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1969
  55 years ago

• CPC

  • B29C65/18 - using heated tools
  • B29C65/224 - being a resistive ribbon, a resistive band or a resistive strip
  • B29C65/7873 - using cooperating conveyor belts or cooperating conveyor chains
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/818 - characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
  • B29C66/83511 - jaws mounted on rollers, cylinders or drums
  • B29C66/83517 - said rollers, cylinders or drums being hollow
  • B31B19/60 - and having means for uniting opposed surfaces or edges, or for taping
  • B29C65/38 - Impulse heating
  • B29C66/8511 - Bag making machines
  • B29C66/944 - by controlling or regulating the time
  • B31B2219/29 - Closing bags
  • Y10T156/1343 - Cutting indefinite length web after assembly with discrete article

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture