3545565

Information

• Patent Grant
• 3545565

• References
• Source

• Patent Number

  3,545,565

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • F16L55/0336 - by means of sound-absorbing materials
  • F02B77/13 - Acoustic insulation
  • F16L55/02727 - placed parallel to the axis of the pipe
  • G10K11/16 - Methods or devices for protecting against, or damping of, acoustic waves
  • G10K11/168 - Plural layers of different materials

• US Classifications

  • 181 - Acoustics
  • 123 - Internal-combustion engines