2218196

Information

• Patent Grant
• 2218196

• References
• Source

• Patent Number

  2,218,196

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1940
  84 years ago

• CPC

  • B28B13/022 - Feeding several successive layers, optionally of different materials
  • 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
  • B30B11/027 - Particular press methods or systems
  • B30B15/306 - for multi-layer articles

• US Classifications

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