2975476

Information

• Patent Grant
• 2975476

• References
• Source

• Patent Number

  2,975,476

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1961
  64 years ago

• CPC

  • B29C43/12 - using bags surrounding the moulding material or using membranes contacting the moulding material
  • B29C33/04 - using liquids, gas or steam
  • B29C43/56 - Compression moulding under special conditions
  • B29C51/28 - for applying pressure through the wall of an inflated bag or diaphragm
  • B29C59/02 - by mechanical means
  • B30B5/02 - wherein the pressing means is in the form of a flexible element
  • B41C3/06 - to produce printing blocks from plastics
  • B29C43/32 - Component parts, details or accessories Auxiliary operations
  • B29C2043/3238 - pressurized liquid acting directly or indirectly on the material to be formed
  • B29C2043/561 - under vacuum conditions
  • B29L2031/7674 - Ink ribbons
  • Y10S264/78 - Processes of molding using vacuum
  • Y10S425/019 - Flexible fluid pressure

• US Classifications

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