3454688

Information

• Patent Grant
• 3454688

• References
• Source

• Patent Number

  3,454,688

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1969
  55 years ago

• CPC

  • C04B28/14 - containing calcium sulfate cements
  • B28B1/16 - for producing layered articles
  • B28B1/50 - specially adapted for producing articles of expanded material
  • B28B5/00 - Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on coveyers irrespective of the manner of shaping
  • B28B5/027 - the moulding surfaces being of the indefinite length type
  • B28B7/0067 - with polished or glossy moulding surfaces
  • B28B7/36 - Linings or coatings
  • B28B19/0092 - to webs, sheets or the like
  • B28B23/0006 - the reinforcement consisting of aligned, non-metal reinforcing elements
  • B28C5/003 - Methods for mixing
  • B29C44/28 - Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
  • C04B28/146 - alpha-hemihydrate

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 106 - Compositions: coating or plastic
  • 425 - Plastic article or earthenware shaping or treating: apparatus