3006033

Information

• Patent Grant
• 3006033

• References
• Source

• Patent Number

  3,006,033

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1961
  63 years ago

• CPC

  • B29C67/221 - Applying counter pressure during foaming
  • B24D3/32 - for porous or cellular structure
  • B24D18/00 - Manufacture of grinding tools or other grinding devices
  • B29C44/025 - Foaming in open moulds, followed by closing the moulds
  • B29C44/043 - using a rotating mould
  • B29C41/04 - Rotational or centrifugal casting
  • B29K2075/00 - Use of PU
  • B29L2031/736 - Grinding or polishing equipment

• US Classifications

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