2680893

Information

• Patent Grant
• 2680893

• References
• Source

• Patent Number

  2,680,893

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1954
  70 years ago

• CPC

  • B28B1/44 - by forcing cores into filled moulds for forming hollow articles
  • B28B3/04 - with one ram per mould

• US Classifications

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