Patents Assigned to Lancaster Glass Fibre Limited
  • Silencer cartridge
    Patent number: 6196351
    Abstract: A silencer for a vehicle exhaust assembly is described. The silencer comprises an outer wall, a porous exhaust pipe which defines an inner wall and a sound absorbent fibrous material located between the inner and the outer wall. The sound absorbent fibrous material is substantially unidirectional and parallel with the direction of gas flow through the porous exhaust pipe. The fibre is enclosed in a silencer cartridge. A method of producing such a cartridge is also described.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: March 6, 2001
    Assignee: Lancaster Glass Fibre Limited
    Inventors: Neville Julian Clokey, George Christopher Frederick Balmer