2697248

Information

• Patent Grant
• 2697248

• References
• Source

• Patent Number

  2,697,248

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1954
  70 years ago

• CPC

  • B29C55/285 - by using internal mechanical means
  • B29C47/903 - externally
  • B29C47/0026 - Hollow flexible articles
  • B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
  • B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
  • B29C47/0066 - Extrusion moulding combined with cutting
  • B29C2793/0063 - Cutting longitudinally
  • B29C2793/009 - after shaping

• US Classifications

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