2443826

Information

• Patent Grant
• 2443826

• References
• Source

• Patent Number

  2,443,826

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1948
  76 years ago

• CPC

  • B29C45/56 - using mould parts movable during or after injection
  • B29C45/4005 - Ejector constructions; Ejector operating mechanisms
  • B29C45/561 - Injection-compression moulding
  • B29D11/00009 - Production of simple or compound lenses
  • B29C45/00 - Injection moulding
  • B29C2045/563 - Enlarging the mould cavity during injection
  • B29C2045/5635 - Mould integrated compression drive means
  • B29C2045/5645 - Resilient compression means
  • B29L2011/0016 - Lenses

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 164 - Metal founding