3874207

Information

• Patent Grant
• 3874207

• References
• Source

• Patent Number

  3,874,207

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B29C47/0071 - extruding under particular conditions
  • B21C23/08 - Making wire, bars, tubes
  • B21C23/085 - Making tubes
  • B21C25/08 - Dies or mandrels with section variable during extruding
  • B21C29/006 - Gas treatment of work
  • B29C45/46 - Means for plasticising or homogenising the moulding material or forcing it into the mould
  • B29C47/36 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
  • B29C47/54 - using press rams or pistons or accumulators
  • B30B11/26 - using press rams
  • B29C47/0016 - Rod-shaped articles
  • B29C47/0023 - Hollow rigid articles having only one tubular passage

• US Classifications

  • 072 - Metal deforming
  • 425 - Plastic article or earthenware shaping or treating: apparatus