1644829

Information

• Patent Grant
• 1644829

• References
• Source

• Patent Number

  1,644,829

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1927
  98 years ago

• CPC

  • A61F7/086 - Closures; Filling openings
  • B29C65/18 - using heated tools
  • B29C65/4835 - Heat curing adhesives
  • B29C66/348 - Avoiding melting or weakening of the zone directly next to the joint area
  • B29C66/3492 - by means placed on the side opposed to the welding tool
  • B29C66/53245 - said articles being hollow
  • B29C66/612 - Making circumferential joints
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/73152 - of different hardness
  • B29C66/73755 - the to-be-joined area of at least one of the parts to be joined being fully cured
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/8141 - characterised by the surface geometry of the part of the pressing elements
  • B29C66/81811 - of the welding jaws
  • B29C66/861 - Hand-held tools
  • B29C66/8612 - Ironing tool type
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29K2995/007 - Hardness
  • B29L2031/7152 - Hot water bottles

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes