3905741

Information

• Patent Grant
• 3905741

• References
• Source

• Patent Number

  3,905,741

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • B29C45/6714 - using a separate element transmitting the mould clamping force from the clamping cylinder to the mould
  • B29C45/6707 - without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement
  • Y10S425/221 - Injection mold closing and locking clamp, wedge or retention means
  • Y10S425/223 - Injection mold closing means utilizing variable closing pressure

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus