3551541

Information

• Patent Grant
• 3551541

• References
• Source

• Patent Number

  3,551,541

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • B29C39/38 - Heating or cooling
  • B29C33/04 - using liquids, gas or steam
  • B29C33/202 - Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means
  • B29C35/007 - Tempering units for temperature control of moulds or cores
  • B29C39/265 - comprising two large plates positioned at a small distance from each other
  • B29D7/01 - Films or sheets
  • B29C37/005 - Compensating volume or shape change during moulding, in general
  • B29C37/006 - Degassing moulding material or draining off gas during moulding
  • B29C2791/006 - Using vacuum
  • B29K2033/04 - Polymers of esters
  • B29K2105/0002 - monomers or prepolymers

• US Classifications

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