Patents Assigned to Payen International Limited
  • Gasket manufacture
    Patent number: 4765633
    Abstract: In a gasket construction including rubber grommets or inserts for certain passageways through the gasket, the grommets are moulded integrally with a thin connecting web. The grommets are installed together with the web, which is non-functional in that its effect on sealing performance of the gasket is minimal.
    Type: Grant
    Filed: March 18, 1987
    Date of Patent: August 23, 1988
    Assignee: Payen International Limited
    Inventor: David J. Hossack
  • Cylinder head gaskets with aperture reinforcing means
    Patent number: 4619459
    Abstract: A gasket comprises a flat body portion having two gasket facings and an inner reinforcing core, the gasket having an aperture defined therein, said aperture being provided with secondary sealing means comprising flat annuli located on opposite faces of the body portion in those regions there of surrounding and adjacent the aperture, the annuli extending into the aperture to provide annular primary sealing means radially inwardly of the margin of the aperture, and is characterized in that one of said annuli is folded around radially outwardly of the aperture to at least partially enclose, locate and retain a primary sealing ring radially inwardly of and relative to the margin of the aperture, said primary sealing ring comprising marginal portions of both of said annuli and co-operating portion of said reinforcing core which projects radially inwardly of the aperture from flat body portion.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: October 28, 1986
    Assignee: Payen International Limited
    Inventor: Maurice G. Herrington
  • Method of making a gasket
    Patent number: 4614554
    Abstract: A gasket made of compressed expanded graphite particles bonded to an apertured reinforcement plate whose apertures are bridged by a relatively narrow area, as in a cylinder head gasket, is made by pressing the graphite particles onto the face of the plate without transverse support of those particles at the periphery of the plate apertures, by pressing between two compressor belts.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: September 30, 1986
    Assignee: Payen International Limited
    Inventors: Cecil A. Bate, Kay Robinson
  • Layered gasket with double eyelet construction
    Patent number: 4531750
    Abstract: A gasket constituted by a flat body portion of gasket material having at least one eyeletted aperture therein, characterized in that the eyelet is a composite one having an inner and outer portion, said portions being so disposed that on one face of the gasket body material, the inner portion projects beyond the outer portion, and that on the other face of the gasket body material, the outer portion projects beyond the inner portion.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: July 30, 1985
    Assignee: Payen International Limited
    Inventor: Maurice G. Herrington