3454442

Information

• Patent Grant
• 3454442

• References
• Source

• Patent Number

  3,454,442

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1969
  55 years ago

• CPC

  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C65/342 - comprising at least a single wire
  • B29C65/346 - being a coating or being printed
  • B29C65/3484 - being non-metallic
  • B29C66/1122 - Single lap to lap joints
  • B29C66/234 - said joint lines being in the form of tessellations
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/49 - Internally supporting the
  • B29C66/73143 - Dielectric properties
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/83221 - cooperating reciprocating tools, each tool reciprocating along one axis
  • B29K2023/06 - PE
  • B29K2023/12 - PP
  • B29K2025/00 - Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
  • B29K2995/0006 - Dielectric
  • Y10T156/1038 - Hollow cylinder article

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 383 - Flexible bags