2721925

Information

• Patent Grant
• 2721925

• References
• Source

• Patent Number

  2,721,925

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • D05B17/00 - Sewing machines for concurrently making thread and welded seams
  • B29C65/222 - comprising at least a single heated wire
  • B29C65/224 - being a resistive ribbon, a resistive band or a resistive strip
  • B29C65/226 - characterised by the cross-section of said heated wire, resistive ribbon, resistive band or resistive strip
  • B29C65/32 - Induction
  • B29C66/1122 - Single lap to lap joints
  • B29C66/21 - said joint lines being formed by a single dot or dash or by several dots or dashes
  • B29C66/349 - Cooling the welding zone on the welding spot
  • B29C66/474 - said single elements being substantially non-flat
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/81431 - comprising a single cavity
  • B29C66/81433 - being toothed
  • B29C66/81821 - of the welding jaws
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C66/845 - C-clamp type or sewing machine type
  • B29C65/38 - Impulse heating
  • B29C66/3494 - while keeping the welding zone under pressure
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4722 - Fixing strips to surfaces other than edge faces
  • B29K2101/12 - Thermoplastic materials
  • B29K2313/00 - Textile products, fabrics

• US Classifications

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