2155977

Information

• Patent Grant
• 2155977

• References
• Source

• Patent Number

  2,155,977

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • B29C37/0017 - by stripping articles from mould cores
  • B29C37/0021 - and using a rotating movement to unscrew articles
  • B29C41/14 - Dipping a core
  • B29K2021/00 - Use of unspecified rubbers as moulding material

• US Classifications

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