3841822

Information

• Patent Grant
• 3841822

• References
• Source

• Patent Number

  3,841,822

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • B29C33/50 - elastic or flexible
  • B28B7/06 - Moulds with flexible parts
  • B28B7/12 - by fluid pressure
  • B29C33/40 - Plastics
  • B29C33/0033 - constructed for making articles provided with holes
  • B29C43/36 - Moulds for making articles of definite length
  • B29C2043/3652 - elastic moulds or mould parts
  • B29K2891/00 - Use of waxes as mould material
  • B29L2031/7102 - Toroidal articles

• US Classifications

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