3841815

Information

• Patent Grant
• 3841815

• References
• Source

• Patent Number

  3,841,815

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • B26F1/0038 - from the inside
  • B29C47/0033 - Articles having longitudinal irregularities
  • B29C47/0061 - Extrusion moulding combined with surface shaping
  • B29C47/20 - with annular opening
  • B29C47/24 - with die parts rotatable relative to each other
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29L2028/00 - Nets or the like

• US Classifications

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