| Patent Number |
Title Of Patent |
Date Issued |
| 6828365 |
Flame-retardant molded component |
December 7, 2004 |
| Flame-retardant polyester monofilaments formed by extrusion from a mixture consisting essentially of 5 to 20 weight percent melamine cyanurate and 3 to 10 weight percent organopolyphosphonate with the balance being either poly(ethylene terephthalate) or poly(ethylene naphthalate). |
| 6410621 |
Flame-retardant moulded component |
June 25, 2002 |
| A flame-retardant molded component comprises a matrix-forming polymer material. The component also comprises 5 to 20 wt % of melamine cyanurate and 3 to 10 wt % of a polyphosphonate. |
| 6131614 |
Convoluted protective hose |
October 17, 2000 |
| A convoluted flexible protective sleeve comprises a wall made of heat-resistant plastics material and a layer of infra-red radiation-reflecting metal vacuum deposited on the outer surface of said wall. The layer is between 0.05 and 5 micrometers in thickness. |
| 6116387 |
Disc brake rotor |
September 12, 2000 |
| A disc brake rotor comprises mounting portion, a first friction portion which provides an annular friction surface, a second friction portion which provides the other of annular friction surface, a connecting portion which joins the mounting portion to the first friction portion, and van |
| 6112770 |
Flexible protective sleeve |
September 5, 2000 |
| A flexible protective sleeve (10; 20) for use in protecting an elongated member (W). The sleeve comprises a generally tubular wall (12; 22) for at least substantially surrounding the member. The sleeve also comprises resiliently-deformable projections (16; 24) projecting from an inner |
| 6045929 |
Composite sliding contact bearing |
April 4, 2000 |
| A plain bearing having a metal backing, a bearing lining secured to the backing and an overlay plated to an interlayer, which is itself plated onto the bearing lining, is disclosed. The bearing lining is formed from an alloy based on aluminum or copper. The overlay is formed of an alloy |
| 5925471 |
Composite sliding contact bearing |
July 20, 1999 |
| A plain bearing having a metal backing, a bearing lining secured to the backing and an overlay plated to an interlayer, which is itself plated onto the bearing lining, is disclosed. The bearing lining is formed from an alloy based on aluminum or copper. The overlay is formed of an alloy |
| 5911514 |
Plain bearing with polytetrafluoroethylene-based lining |
June 15, 1999 |
| The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing surface. The lining layer comprises polytetrafluoroethylene including 2 to 10% by volume of f |
| 5762484 |
Gerotor type pump having its outer rotor shape derived from the inner rotor trochoid |
June 9, 1998 |
| The pump has an inner rotor bounded by an outer peripheral shape which is generated by moving a first circle around a first trochoid. The inner rotor is mounted for rotation about a first axis. The pump also has an outer rotor mounted for rotation about a second axis which is offset from |
| 5735529 |
Beads for gaskets |
April 7, 1998 |
| An elongated bead made of resilient material is used to make a seal in a gasket. In an uncompressed state, the bead has a cross-sectional shape which is defined by a substantially planar bottom surface, two inwardly-inclined side surfaces, and a convexly-curved top surface which is j |
| 5665825 |
Plain bearing material |
September 9, 1997 |
| A plain bearing is disclosed comprising a bearing layer bonded to a sintered metallic layer, which in turn is mounted on a backing plate. The bearing layer comprises a material formed from two interpenetrating networks, one of polytetrafluoroethylene and the other of polyphenylenesul |
| 5570501 |
Gasket manufacture |
November 5, 1996 |
| An embossed sheet coated at least partially with expanded graphite and suitable for use as a gasket or as a component layer of a gasket is manufactured by positioning a planar metallic sheet between an upper embossing die and a lower embossing die with a layer of particles of expande |
| 5551388 |
Piston with cavity |
September 3, 1996 |
| A piston (10) containing a cavity (16) is manufactured by forming a box (20; 50; 70; 80). The interior of the box defines the cavity (16). The box ms mounted in a die cavity (26) and the piston is cast around the box. The box is provided with projections (22c; 24c; 52; 58; 73) which ente |
| 5527599 |
Non-asbestos flexible sheet material |
June 18, 1996 |
| Non-asbestos flexible sheet material suitable for use in gaskets (e.g., automobile exhaust manifold gaskets) operating at high temperature (e.g., 500.degree.-700.degree. C.) is made by impregnating a non-woven tissue of glass or like fiber stable at 700.degree. C. with an aqueous slurry |
| 5520466 |
Flanged bearings |
May 28, 1996 |
| A flanged half bearing (10;50) comprises a shell portion (12;52) which provides a bearing surface (14;54) against which a shaft can rotate. A flange portion (16,18;56,58) of the bearing provides a thrust surface (20,22;60,62) to resist axial movement of the bearing. The thrust surface |
| 5502880 |
Manufacture of piston rings |
April 2, 1996 |
| A machine for manufacturing piston rings from the metal strip (10). The machine comprises feeding means (12) for feeding the strip, shaping means (14, 16, 18, 20) for shaping successive portions of the strip into piston rings of a desired shape, and severing means (22) operable to sever |
| 5485665 |
Gasket size control |
January 23, 1996 |
| The size of the spiral gaskets which are formed by winding a sealing strip and a compressible filler strip around a mandrel is controlled by measuring the angle through which the mandrel turns, e.g., by means of an encoder. The lengths of arcs on the periphery of the gasket as it is woun |
| 5429176 |
Thermal radiation baffle for apparatus for use in directional solidification |
July 4, 1995 |
| A thermal radiation baffle for apparatus for use in directional solidification of crystalline material, to be mounted at one end of a furnace, and to allow a mould containing the material in molten form to pass through, has at least one clamped layer of interconnected flexible strips |
| 5416154 |
Bearing material |
May 16, 1995 |
| A plain bearing material, e.g. for a bearing bush or a thrust washer has a composition of 45 to 60 weight percent of semiaromatic polyamide, 15 to 20 weight percent of glass fibre, 10 to 20 weight percent of graphite, 10 to 20 weight percent of polytetrafluoroethylene and up to 5 weight |
| 5409650 |
Molding finely divided sinterable material |
April 25, 1995 |
| Dispersions of sinterable powder, for example, of metal or high-melting-point non-metal such as silicon, or a ceramic substance such as silicon carbide, silicon nitride or alumina, are hot injection-molded using a dispersion of the sinterable material in a binder which, like the disp |
| 5392511 |
Manufacture of camshafts |
February 28, 1995 |
| A camshaft (10) is formed from a plurality of individual chill cast cams (12) and an elongated shaft (24). Each cam (12) has a hole (20) therethrough which has a groove (22) in its surface at a predetermined angular position. The shaft (24) has a plurality of cam receiving portions ( |
| 5388632 |
Method and apparatus for casting articles |
February 14, 1995 |
| A method and apparatus are described for the production of piston castings, and, in particular, a die construction and method of use thereof are described, the die having a crown forming part (18) separable from a skirt forming part (12). In the method, when solidification of the casting |
| 5385790 |
Heat shields |
January 31, 1995 |
| A heat shield (10;40) comprises one or more metal members (14,24;44,46) defining a rigid enclosure (12;42) having a substantially continuous heat-reflecting surface (26 or 32; 50 or 52). The shield also comprises a plurality of sheets (30;48) of smooth flexible metal foil within said |
| 5321894 |
Mapping a surface of a workpiece |
June 21, 1994 |
| The roughness of an area of the surface of a workpiece (W) is measured by bringing a height measuring device (10) to points on the surface and using the device to measure the height of each point relative to a datum level defined by a skid (17) while the device (10) is stationary relativ |
| 5251540 |
Piston having an aperture with an insert secured therein |
October 12, 1993 |
| A piston, e.g. for an internal combustion engine, comprises a crown (16) and a skirt (12). The skirt (12) has an aperture (22) in which an insert (14) of a different material from the remainder of the skirt is secured. The insert (14) may be of plastics material injection moulded into a |
| 5209578 |
Bearings having an overlay coating containing dispersed phase of a second material |
May 11, 1993 |
| Bearings having an overlay (14) deposited by cathodic sputtering. In one example the overlay comprises an aluminum matrix (22) containing a dispersed phase (24) of tin. The overlay may contain a relatively low content of tin adjacent the interface (18) with the substrate (10;12) risi |
| 5193435 |
Piston with ceramic load-transmitting pads |
March 16, 1993 |
| A piston comprises a crown (12) and a skirt (20). At least a portion of the skirt (20) is formed of a ceramic material injection moulded directly on to the remainder of the skirt (20) or the crown (12). The ceramic material provides a plurality of pads (24) which projects from a thrust s |
| 5193311 |
Tools for working non-metallic hard materials |
March 16, 1993 |
| A tool (14,15) for use in working a surface of a non-metallic material having a Vickers hardness value up to 5000 is made up of a layer of platelets (28). The platelets form a working surface (20,21) which is complementary to the required shape. The platelets (28) adjoin one another |
| 5190717 |
Metal pouring system |
March 2, 1993 |
| A method and apparatus are described for controlling the rate of pouring of molten metal. Examples are given of pouring metal onto a steel strip to form a coating having a uniform controlled thickness thereon. The method comprises the use of an intermediate holding dish having pouring me |
| 5174193 |
Pistons for engines or motors |
December 29, 1992 |
| The piston comprises a crown (12), and a skirt 30 made of plastics material secured to the crown. The crown (12) is formed integrally with a depending boss (16) arranged to receive a gudgeon pin (18) by which the piston is connected to a connecting rod (24). The skirt (30) encircles the |
| 5141683 |
Method of producing reinforced materials |
August 25, 1992 |
| A method is described for the production of a porous ceramic body and the subsequent infiltration of the body with a molten metal to produce an article having a reinforced metallic matrix. The article may be further worked by known techniques such as extrusion or forging, for example. |
| 5110413 |
Intumescent sheet material |
May 5, 1992 |
| Intumescent sheet material having a matrix whose predominant ingredient is an unfired kaolinitic clay comprising ball clay reinforced by inorganic vitreous fibre (for example, mineral wool) contains heat-expandable graphite as intumescent agent and up to 10 percent by weight of an organi |
| 5090603 |
Metal pouring system |
February 25, 1992 |
| A method and apparatus are described for controlling the rate of pouring of molten metal. Examples are given of pouring metal onto a steel strip to form a coating having a uniform controlled thickness thereon. The method comprises the use of an intermediate holding dish having pouring me |
| 5080970 |
Poly cyano aryl ether bearing materials |
January 14, 1992 |
| A plain machinery bearing having a working surface comprising poly cyano aryl ether, which working surface may further comprise additives including reinforcing additives selected, for example, from the group consisting of mica, carbon fiber, aramid fiber, metallic fiber and mineral fiber |
| 5072399 |
Machine tool control |
December 10, 1991 |
| A system for machining a piston blank to a predetermined profile includes means for rotating a blank at a predetermined speed and means for moving a tool axially with reference to the blank. Digital processing means receives input data defining the required profile (or part only of the |
| 5037588 |
Manufacture of silicon carbide articles |
August 6, 1991 |
| A method of making a siliconized silicon carbide article by(i) injection-molding a mixture which comprises a major proportion of silicon carbide particles and a minor proportion of organic binder material, the mixture being flowable under heat and pressure,(ii) heating the molded article thu |
| 4997024 |
Method of making a piston |
March 5, 1991 |
| A method of bonding a component in a piston, involves the steps of coating the component surfaces to be bonded with an oxidation-resistant particulate material, preheating the coated component, placing the preheated component in a casting die and then casting an aluminum alloy around |
| 4972898 |
Method of forming a piston containing a cavity |
November 27, 1990 |
| A porous body is formed around an element which has the shape of the desired cavity and the body is heated to a temperature such that the element melts and infiltrates the porous body at least in the immediate vicinity of the resulting cavity. The article may then, for example, be in |
| 4969425 |
Piston with a resonant cavity |
November 13, 1990 |
| The invention relates to a piston for a cylinder of a two-stroke internal combustion engine, the engine having an auxiliary air inlet port which communicates with a cavity within the crown structure of the piston as the piston passes through bottom dead center. The air within the cavity |
| 4937937 |
Method for the manufacture of piston rings |
July 3, 1990 |
| A method for the manufacture of piston rings from a metal strip, at least includes providing rings having a predetermined non-circular profile, by the metal strip being first bent to a uniform radius of curvature at least 2 percent less than the minimum radius of curvature in the predete |
| 4915871 |
Water resistance of fine-vermiculite articles |
April 10, 1990 |
| Certain articles required to function in air at temperatures of 250.degree. C. or higher comprise very fine particles of vermiculite from which the interstitial magnesium ions have been at least partially removed and which has been swollen in water. These articles are not ordinarily expo |
| 4869601 |
Bearings and seals |
September 26, 1989 |
| Hydrostatic journal bearing assemblies are described which include a housing member having a generally circular bore therethrough, a journal bearing member having a bore therethrough for the support of a shaft, the journal bearing member being located within the bore of the housing w |
