3437722

Information

• Patent Grant
• 3437722

• References
• Source

• Patent Number

  3,437,722

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  55 years ago

• CPC

  • B29C44/421 - by plastizising the material into a shot cavity and injecting using a plunger
  • C08J9/04 - using blowing gases generated by a previously added blowing agent
  • Y10S264/83 - Injection molding of polyolefin-type foam

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 521 - Synthetic resins or natural rubbers