3918877

Information

• Patent Grant
• 3918877

• References
• Source

• Patent Number

  3,918,877

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • B28B7/0041 - the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article
  • B28B7/0035 - Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
  • B28B7/0064 - Moulds characterised by special surfaces for producing a desired surface of a moulded article
  • B28B7/162 - for building blocks or similar block-shaped articles
  • B28B13/06 - Removing the shaped articles from moulds

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 249 - Static molds