3069725

Information

• Patent Grant
• 3069725

• References
• Source

• Patent Number

  3,069,725

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1962
  62 years ago

• CPC

  • B29D22/003 - Containers for packaging, storing or transporting
  • B29C53/04 - of plates or sheets
  • B29C53/36 - Bending and joining
  • B29C53/42 - using internal forming surfaces
  • B29C53/46 - using external forming surfaces
  • B29C57/00 - Shaping of tube ends
  • B29C67/00 - Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
  • B29C67/222 - using expandable particles or beads as starting material
  • B29C69/00 - Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00
  • B29C47/0021 - Flat flexible articles
  • B29C47/0026 - Hollow flexible articles
  • B29C47/0038 - Combined shaping operations
  • B29C47/0042 - Extrusion moulding combined with shaping by internal pressure generated in the material
  • B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
  • B29K2105/04 - cellular or porous
  • B29L2031/7132 - Bowls, Cups, Glasses
  • B29L2031/7162 - Boxes, cartons, cases

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 425 - Plastic article or earthenware shaping or treating: apparatus