3715421

Information

• Patent Grant
• 3715421

• References
• Source

• Patent Number

  3,715,421

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  51 years ago

• CPC

  • D02J1/22 - Stretching or tensioning, shrinking or relaxing
  • D01D5/16 - using rollers, or like mechanical devices
  • D02J1/224 - Selection or control of the temperature during stretching
  • D02J1/226 - Surface characteristics of guiding or stretching organs
  • D01F6/62 - from polyesters

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 028 - Textiles: manufacturing
  • 528 - Synthetic resins or natural rubbers