3841947

Information

• Patent Grant
• 3841947

• References
• Source

• Patent Number

  3,841,947

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • B29C65/08 - using ultrasonic vibrations
  • B29C66/0044 - using a separating sheet
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/7352 - Thickness
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/81 - General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined
  • B29C66/81429 - comprising a single tooth
  • B29C66/81811 - of the welding jaws
  • B29C66/8221 - Scissor or lever mechanisms
  • B29C66/8248 - Pressure application by weights
  • B29C66/836 - Moving relative to and tangentially to the parts to be joined
  • B29C66/92431 - the pressure, the force or the mechanical power being kept constant over time
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/81422 - being convex
  • B29C66/8242 - Pneumatic or hydraulic drives
  • B29C66/91 - by measuring or controlling the temperature, the heat or the thermal flux
  • B29C66/9241 - by controlling or regulating the pressure, the force or the mechanical power
  • B29K2027/18 - PTFE, i.e. polytetrafluorethene
  • B29L2022/022 - Balloons

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture