2657431

Information

• Patent Grant
• 2657431

• References
• Source

• Patent Number

  2,657,431

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1953
  71 years ago

• CPC

  • B29C49/58 - Blowing means
  • B29C47/0026 - Hollow flexible articles
  • B29C47/902 - internally
  • B29C47/908 - characterised by calibrator surface
  • B29C49/04 - Extrusion blow-moulding
  • B29C49/36 - rotatable about one axis
  • B29C49/56 - Opening, closing or clamping means
  • B29D23/20 - Flexible squeeze tubes
  • B29C2049/5806 - Means for fixing the blowing means with the mould
  • B29C2049/582 - Magnetic
  • B29C2049/5824 - Electromagnetic means
  • B29L2023/20 - Flexible squeeze tubes
  • B29L2031/772 - Articles characterised by their shape and not otherwise provided for
  • Y10S264/33 - Blow-molding articles of nonuniform thickness
  • Y10S264/41 - Processes of molding collapsible tubes
  • Y10S264/61 - Processes of molding polyamide

• US Classifications

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