3769117

Information

• Patent Grant
• 3769117

• References
• Source

• Patent Number

  3,769,117

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1973
  51 years ago

• CPC

  • B29C66/65 - with a relative motion between the article and the welding tool
  • B29C65/1661 - scanning repeatedly
  • B29C65/568 - using a swaging operation
  • B29C66/022 - Mechanical pre-treatments
  • B29C66/0342 - Cooling
  • B29C66/1222 - comprising at least a lapped joint-segment
  • B29C66/1224 - comprising at least a butt joint-segment
  • B29C66/344 - Stretching or tensioning the joint area during joining
  • B29C66/5344 - said single elements being substantially annular, i.e. of finite length
  • B29C66/612 - Making circumferential joints
  • B29C66/63 - Internally supporting the article during joining
  • 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
  • B29C66/826 - without using a separate pressure application tool
  • B29C66/8262 - using "pressure means" which are associated with at least one of the parts to be joined and remain in or on it
  • B29C66/8264 - using the thermal expansion of the parts to be joined
  • B29C66/83411 - Roller, cylinder or drum types
  • B29C66/93451 - by controlling or regulating the rotational speed
  • B29C65/1616 - Near infrared radiation [NIR]
  • B29C65/1619 - Mid infrared radiation [MIR]
  • B29C65/1622 - Far infrared radiation [FIR]
  • B29C65/1641 - making use of a reflector on the opposite side
  • B29C65/1664 - making use of several radiators
  • B29C65/1677 - making use of an absorber or impact modifier
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/81268 - Reflective to electromagnetic radiation
  • B29C66/939 - characterised by specific speed values or ranges
  • B29C2035/0822 - using IR radiation
  • B29K2023/00 - Use of polyalkenes or derivatives thereof as moulding material
  • B29K2023/06 - PE
  • B29K2023/0633 - LDPE
  • B29K2023/065 - HDPE
  • B29K2995/0027 - for light outside the visible spectrum
  • B29L2009/003 - comprising a metal layer
  • B29L2023/20 - Flexible squeeze tubes
  • B29L2023/22 - Tubes or pipes

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 219 - Electric heating