3728422

Information

• Patent Grant
• 3728422

• References
• Source

• Patent Number

  3,728,422

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • B29C66/73115 - Melting point
  • B29C59/026 - of layered or coated substantially flat surfaces
  • B29C65/02 - by heating, with or without pressure
  • B29C66/436 - Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/73343 - at least one of the parts to be joined being matt or refractive
  • B29C66/73366 - both parts to be joined being transparent or translucent to visible light
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29D11/00663 - Production of light guides
  • B29D11/0073 - Optical laminates
  • B29D11/0074 - Production of other optical elements not provided for in B29D11/00009- B29D11/0073
  • B44F1/02 - produced by reflected light
  • B29C33/42 - characterised by the shape of the moulding surface
  • B29K2001/00 - Use of cellulose, modified cellulose or cellulose derivatives
  • B29K2025/00 - Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
  • B29K2995/0026 - Transparent
  • B29K2995/0031 - Refractive
  • B29L2011/0075 - Light guides, optical cables
  • Y10T156/1041 - Subsequent to lamination

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 385 - Optical waveguides
  • 427 - Coating processes