3733157

Information

• Patent Grant
• 3733157

• References
• Source

• Patent Number

  3,733,157

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1973
  51 years ago

• CPC

  • B29C45/56 - using mould parts movable during or after injection
  • B29C39/04 - using movable moulds not applied
  • B29C2045/5695 - using a movable mould part for continuously increasing the volume of the mould cavity to its final dimension during the whole injection step

• US Classifications

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