3452131

Information

• Patent Grant
• 3452131

• References
• Source

• Patent Number

  3,452,131

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • D02J1/228 - Stretching in two or more steps, with or without intermediate steps
  • D02J1/222 - Stretching in a gaseous atmosphere or in a fluid bed
  • D02J1/227 - Control of the stretching tension; Localisation of the stretching neck; Draw-pins

• US Classifications

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