Patents Assigned to British Uralite Limited
  • Noise control materials
    Patent number: 4048366
    Abstract: A noise reducing material especially suitable for attaching to internal combustion engine casing parts and comprising (a) a layer of a metal such as lead combining a high density with a low shear modulus, bonded to (b) a layer of a pliant thermoplastics matrix reinforced with fibrous material. Layer (b) is preferably asbestos fiber-reinforced bitumen and the laminate preferably comprises a layer of lead between two layers of the reinforced thermoplastics material.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: September 13, 1977
    Assignee: British Uralite Limited
    Inventor: Herbert William Kingsbury