2270829

Information

• Patent Grant
• 2270829

• References
• Source

• Patent Number

  2,270,829

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  83 years ago

• CPC

  • B28B1/045 - combined with vibrating or jolting
  • B28B13/023 - by using a feed box transferring the moulding material from a hopper to the moulding cavities
  • B28B13/0235 - the feed box being provided with agitating means

• US Classifications

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