Abstract: An gasket having a molded plastic carrier and an edge-molded seal in an opening through the carrier. The wall surface of the opening has inwardly projecting anchors formed of an inner plate and a radial hub. The seal is molded to the anchors and is held in place thereby.

Abstract: A cylinder head gasket has at least one combustion opening, a central metallic core and an expanded graphite facing layer on each side of the core. A stress rising bead is disposed on at least one of the graphite layers encircling each combustion opening for sealing around the combustion openings.

Abstract: A valve cover gasket assembly for an automotive engine includes a rigid core having a plurality of pairs of notches, with each pair comprising one notch on the inner edge of the core and one notch on the outer edge. The assembly further includes a rigid stop member for each pair of notches, each stop member having a portion defining a fastener hole and a spaced apart lug. The stop members are secured to the core by engagement with the notches. When secured in this manner, the portion of each stop member defining the fastener hole is offset laterally from the core. An elastomeric envelope having elastomeric beads is applied over the core and a portion of each stop member, so that the beads extend continuously around the length of the assembly.

Abstract: A head gasket having a pair of armor assemblies with protective shim portions in the zones of adjacency of adjacent pairs of combustion openings. One armor's shim portions face one main surface of a main body of the gasket and the other armor's shim portions face the other main surface of the main body. The associated armors and the shims comprising the armor assemblies encapsulate the zone of adjacency and protect against degradation of that zone and enhance sealing thereat. A method of making the head gasket by applying the armor assemblies from opposite sides of the main body is also disclosed.

Abstract: A head gasket and method for making and using the same is provided wherein the head gasket includes a wire ring which has been preflattened. The preflattened ring facilitates broad load distribution and is preferably used in an internal combustion engine having a bi-metallic engine block-head arrangement wherein the head is composed of a soft metal.

Abstract: A method of making an expandable metal gasket by forming an expandable core and spreading the core to an open condition with a parallelogram linkage tool, an expandable gasket body, and an expandable gasket precursor. The application also discloses a method of making a semi-rigid gasket having elastomeric bridges holding a series of core segments together.

Abstract: A head gasket assembly for an engine with minimal space between adjacent cylinder bores. Armoring including a bridge between adjacent combustion openings is provided with the legs of the combustion openings enclosing wire rings and being welded to each other in the zone of adjacency. The wires are stabilized and maintained in permanent close adjacency.

Abstract: A gasket to be positioned between two sealing flanges of an internal combustion engine includes a plurality of stacked gasket layers. Each layer has two opposing generally planar surfaces and predetermined thickness. At least one of the gasket layers has a surface projection at a predetermined height above its generally planar surface and another layer defines a void. The surface projection is situated so that the projection aligns with and extends into the void. The combined thicknesses of the gasket layers is not increased by the height of the surface projection.

Abstract: A gauge and method for reestablishing the designed relationships between the block, heads and intake manifold of a V-engine after it has been disassembled for refinishing. The angular relationship between the surfaces of the heads is ascertained to determine if they are correctly oriented prior to final assembly with the intake manifold.

Abstract: A force sensor comprising a substrate, a conductive material providing an electrically discernible response to compressive stress disposed on the substrate, and a thermocouple disposed on the substrate proximate to the conductive material. A measurement processor is also described that includes first means for measuring electrical signals from the conductive material indicative of compressive stress, second means for measuring electrical signals from the thermocouple indicative of temperature in proximity to the conductive material, means for determining a temperature compensating factor derived from the electrical signals indicative of compressive stress and the electrical signals indicative of temperature, and means for determining a temperature compensated compressive stress value derived from the temperature compensating factor and the electrical signals indicative of compressive stress.

Abstract: A head gasket having a pair of armor assemblies with protective shim portions in the zones of adjacency of adjacent pairs of combustion openings. One armor's shim portions face one main surface of a main body of the gasket and the other armor's shim portions face the other main surface of the main body. The associated armors and the shims comprising the armor assemblies encapsulate the zone of adjacency and protect against degradation of that zone and enhance sealing thereat. A method of making the head gasket by applying the armor assemblies from opposite sides of the main body is also disclosed.

Abstract: A head gasket for sealing the head and block of an internal combustion engine includes a pair of metal cores of different coefficients of expansion, each with a facing, which gasket, in use, reduces shear forces tending to delaminate or destroy the facings.

Abstract: A sealing assembly for sealing a valve cover and a head, including an elastomeric gasket with a pair of oppositely directed wedges sealing in complementary wedge-shaped recesses in the valve cover flange and head and having a complementary wedged-shaped configuration, and a barrier strip in the gasket extending into each of the oppositely directed wedges to effect a seal internally of the gasket and to prevent flow of fluid through the gasket.

Abstract: A gasket defining a service opening of a bolt hole. The bolt hole has one or more spaced beams which engage and grip a bolt and which resist removal of the bolt. Each beam is spaced inwardly of the outer wall of the bolt hole and will flex along its length without fracturing. The beams may be cantilever beams or may be connected at both ends of the beam to the wall of the bolt hole. The beams are long and narrow and are at least four times as long as they are wide.

Abstract: A gasket enclosed sensor system designed to facilitate measurement of combustion chamber parameters, and delivery of signals to a point external to the engine. In one embodiment, the system is adaptable to an internal combustion engine that includes an engine block having a cylinder bore forming a cylinder, a piston free to reciprocate within the cylinder, and a cylinder head mating with the engine block to define a combustion chamber for the cylinder.A gasket extends from the combustion chamber to a point external to the engine, the gasket substantially surrounding the combustion chamber, and including an access opening extending from the combustion chamber to a point external to the engine. A metallic sensor terminal is positioned within the access opening in the gasket, with an insulating material substantially surrounding the metallic sensor terminal.In other embodiments of the invention, various types of sensors and signal pathways are provided.

Abstract: A head gasket comprising a laminate, metallic core and fiber-elastomer facing layers on each major surface of the core and defining a plurality of combustion openings, oil and water holes and bolt holes. A thin shim is disposed on one of the facing layers. The shim has arcuate elements lying adjacent to each of a pair of adjacent combustion openings. U-shaped armors at each combustion opening have legs overlapping the edges of the facing layers and portions of the shim elements adjacent to the edges of the combustion openings, with the shim elements extending radially outwardly beyond the armor legs.

Abstract: A spaghetti seal for use in a surface to be sealed to a confronting surface and having a pair of projecting beads for sealing against the confronting surface. The beads are molded to incline inwardly towards each other or when installed are caused to incline towards each other. Under load, the beads are forced in contact with each other in a controlled manner. When in contact they behave essentially as a single bead to provide increased stiffness and more effective sealing.

Abstract: A multi-layer metal gasket for an internal combustion engine having a first plate having a major surface, a return defining a combustion opening and a flange, a second plate defining an annular opening adjacent the return and lying between the flange and the major surface of the first plate, a first annular embossment in the major surface of the first metal plate and having a projection extending towards the flange and lying within the vertical projection of the flange, and a second annular embossment in the second plate, the second embossment defining a second projection and a recess, the second projection extending towards the flange, with the recess nestingly receiving the projection of the first embossment, and the confronting surfaces of the first projection and the recess being substantially coincident throughout, with the first and second embossments being entirely disposed between the return and the flange and lying within the vertical projection of the flange.

Abstract: A spaghetti seal for use in an engine sealing assembly includes a stiffening member secured to an elastomeric member. The elastomeric member is adapted for mating engagement with the stiffening member. The stiffening member provides quick and easy installation of the spaghetti seal into a narrow groove formed in an engine part.

Abstract: An integrally molded engine block head support member having a retainer portion insertable into a bolt hole of an engine head and a foot portion which bears against the engine head block confronting surface to temporarily support the head so as to prevent damage to it. A method of using a plurality of such support members is also described.