3740181

Information

• Patent Grant
• 3740181

• References
• Source

• Patent Number

  3,740,181

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • B29C49/32 - moving "to and fro"
  • B29C49/022 - the parison being partly injected and partly extruded
  • B29C49/16 - using pressure difference for prestretching
  • B29B2911/1402 - at neck portion
  • B29B2911/14026 - at flange portion
  • B29B2911/14033 - at body portion
  • B29B2911/1404 - at bottom portion
  • B29B2911/14106 - having at least one layer
  • B29B2911/1416 - having at least one layer being extruded
  • B29C49/04 - Extrusion blow-moulding
  • B29C2049/4861 - Neck portions of bottle producing moulds
  • B29L2031/463 - Grips, handles
  • B29L2031/7158 - Bottles

• US Classifications

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