3737497

Information

• Patent Grant
• 3737497

• References
• Source

• Patent Number

  3,737,497

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • B29C49/6409 - Thermal conditioning of preforms
  • B29C49/00 - Blow-moulding
  • B29C49/0005 - characterised by the choice of material
  • B29C49/08 - Biaxial stretching during blow-moulding with or without prestretching
  • B29C49/6427 - by cooling hot or molten preforms in a single stage
  • B29C49/6481 - using several mould cavities for each article
  • 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
  • B29B2911/14133 - having at least one layer being injected
  • B29B2911/1416 - having at least one layer being extruded
  • B29B2911/1424 - having at least one layer being applied using techniques not covered by B29B2911/14133 - B29B2911/14213
  • B29B2911/14266 - Type of said techniques not covered by B29B2911/14133 - B29B2911/14213
  • B29B2911/14293 - Casting
  • B29K2027/06 - PVC
  • B29K2627/06 - PVC

• US Classifications

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