2912719

Information

• Patent Grant
• 2912719

• References
• Source

• Patent Number

  2,912,719

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1959
  65 years ago

• CPC

  • B29C45/53 - using injection ram or piston
  • B29C45/03 - Injection moulding apparatus
  • B29C45/125 - using a material distributing system
  • B29C45/2806 - consisting of needle valve systems
  • B29C2045/467 - injecting material into the mould by sudden expansion of compressed material in the injection unit
  • Y10S264/83 - Injection molding of polyolefin-type foam
  • Y10S425/229 - Injection mold runner valve

• US Classifications

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