3221836

Information

• Patent Grant
• 3221836

• References
• Source

• Patent Number

  3,221,836

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • F01N13/1861 - the assembly using parts formed by casting or moulding
  • B22D19/00 - Casting in, on, or around objects which form part of the product
  • F01N13/1838 - characterised by the type of connection between parts of exhaust or silencing apparatus
  • F01N13/1855 - the connection being realised by using bolts, screws, rivets or the like
  • F01N13/1894 - the parts being assembled in longitudinal direction
  • F01N2310/02 - Mineral wool
  • F01N2450/24 - by bolts, screws, rivets or the like
  • F01N2450/30 - Removable or rechangeable blocks or cartridges
  • F01N2470/02 - Tubes being perforated
  • F01N2470/24 - Concentric tubes or tubes being concentric to housing
  • F01N2470/28 - Tubes being formed by moulding or casting x
  • F01N2530/04 - Steel alloys
  • F01N2530/06 - Aluminium or alloys thereof
  • Y10T29/49398 - Muffler, manifold or exhaust pipe making
  • Y10T29/49879 - Spaced wall tube or receptacle
  • Y10T29/49988 - Metal casting
  • Y10T29/49993 - Filling of opening

• US Classifications

  • 181 - Acoustics
  • 029 - Metal working
  • 164 - Metal founding
  • 285 - Pipe joints or couplings