3900354

Information

• Patent Grant
• 3900354

• References
• Source

• Patent Number

  3,900,354

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • D04H11/04 - formed by zig-zag folding of a fleece or layer of staple fibres, filaments, or yarns, strengthened or consolidated at the folds
  • B29C65/08 - using ultrasonic vibrations
  • B29C66/69 - General aspects of joining filaments
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/81417 - being V-shaped
  • B29C66/81467 - arranged in an offset pattern
  • B29C66/81469 - one placed next to the other in a single line transverse to the feed direction
  • B29C66/832 - Reciprocating joining or pressing tools
  • B29C66/83411 - Roller, cylinder or drum types
  • B29L2031/7322 - Carpets

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture