3448489

Information

• Patent Grant
• 3448489

• References
• Source

• Patent Number

  3,448,489

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • B29C70/528 - Heating or cooling
  • B29C33/04 - using liquids, gas or steam
  • B29C33/60 - Releasing, lubricating or separating agents
  • B29C70/08 - comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
  • B29C70/10 - characterised by the structure of fibrous reinforcements
  • B29C70/521 - and impregnating the reinforcement before the die
  • B29C70/522 - the transport direction being vertical
  • B29C70/526 - Pultrusion dies
  • B29L2031/003 - having a profiled transverse cross-section

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes