3854527

Information

• Patent Grant
• 3854527

• References
• Source

• Patent Number

  3,854,527

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • B29C71/00 - After-treatment of articles without altering their shape Apparatus therefor
  • B29C35/16 - Cooling
  • B29C37/0089 - Sealing devices placed between articles and treatment installations during moulding or shaping
  • B29C47/882 - of hollow articles
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/003 - Articles having cross-sectional irregularities
  • B29C47/0033 - Articles having longitudinal irregularities
  • B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
  • B29C2035/1616 - using liquids
  • B29C2035/1658 - using gas
  • B29L2023/003 - having irregular or rough surfaces
  • B29L2023/22 - Tubes or pipes

• US Classifications

  • 165 - Heat exchange
  • 015 - Brushing, scrubbing, and general cleaning