3022543

Information

• Patent Grant
• 3022543

• References
• Source

• Patent Number

  3,022,543

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1962
  63 years ago

• CPC

  • B29C61/08 - by stretching tubes
  • B29C61/003 - characterised by the choice of material
  • B29C61/06 - Making preforms having internal stresses
  • 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
  • B29C61/10 - by bending plates or sheets
  • B29K2023/00 - Use of polyalkenes or derivatives thereof as moulding material
  • B29K2023/06 - PE
  • B29K2023/12 - PP
  • B29K2995/0026 - Transparent
  • B29K2995/0053 - bi-axially
  • Y10S128/18 - Heat shrinkable film
  • Y10S425/053 - Stretch
  • Y10T428/1328 - Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
  • Y10T428/1331 - Single layer [continuous layer]
  • Y10T428/2933 - Coated or with bond, impregnation or core

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 053 - Package making
  • 128 - Surgery
  • 206 - Special receptacle or package
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 522 - Synthetic resins or natural rubbers