2987765

Information

• Patent Grant
• 2987765

• References
• Source

• Patent Number

  2,987,765

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • B29C47/902 - internally
  • B29C47/908 - characterised by calibrator surface
  • B29C47/0026 - Hollow flexible articles
  • B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
  • Y10S425/002 - Air support

• US Classifications

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