| Patent Number |
Title Of Patent |
Date Issued |
| 4137033 |
Manufacture of pneumatic tires |
January 30, 1979 |
| A pneumatic tire is moulded using a mould core of cured rubber the radial sectional shape of which is the same as the internal radial sectional configuration of the finished tire. The opposite sides of the core are supported by fitting plates while a tread portion of tire is moulded onto |
| 4135769 |
Anti-skid system incorporating means for controlling the rate of re-application of brake pressur |
January 23, 1979 |
| A vehicle anti-skid system in which the rate of re-application of brake pressure following a skid-correcting operation is controlled so that if after a predetermined time no skid has occurred the rate of re-application of brake pressure increases progressively with time. |
| 4134360 |
Apparatus for vapor deposition on tubular substrate |
January 16, 1979 |
| In the production of all-carbon composite articles by the cracking of a hydrocarbon gas to deposit carbon on a fibrous carbon substrate the substrate is held in the furnace by a ram movable in the furnace to engage the substrate. The gas is introduced inside the annular substrate and |
| 4127552 |
Antistatic footwear |
November 28, 1978 |
| Antistatic footwear has an outsole of a vinyl chloride polymer composition containing a non-metalic stabilizer for the polymer and both an ionic and a non-ionic antistatic agent. Non-staining, colored, e.g. white outsoles can be produced having satisfactory and stable electrical properti |
| 4121963 |
Bonding polyamide plastics to rubber compositions |
October 24, 1978 |
| A method of bonding a polyamide plastics material to a rubber composition comprises heating the polyamide plastics material to soften at least its surface, contacting the softened surface with a rubber composition and allowing the polyamide plastics material to cool in contact with the |
| 4121643 |
Tire and wheel assemblies |
October 24, 1978 |
| A pneumatic tire and wheel rim assembly comprises a one-piece wheel rim comprising a pair of annular flanges, inwardly of the outboard rim flange a bead seat adjacent and axially inwardly of which is a circumferential notch, a center portion of diameter substantially equal to the diamete |
| 4112994 |
Pneumatic tires having low aspect ratio |
September 12, 1978 |
| A pneumatic tire, particularly a motorcycle tire, having an aspect ratio of less than 65% and a rounded tread profile, the bias angle of the tire carcass plies being less than 22.degree.. |
| 4105458 |
Road surfaces |
August 8, 1978 |
| A road surface comprising a blend of at least two aggregate materials disposed in a binder matrix and having different rates of wear as judged by the aggregate test B.S.812 1967, each aggregate material comprising individual aggregate particles of a size such that they will be retained |
| 4105254 |
Wheel with rim embraced by tire |
August 8, 1978 |
| A wheel for use with a tire whose sidewalls are to be maintained in a mechanically compressed condition when it is mounted on the wheel comprises a central disc for attachment to a vehicle, a pair of circumferentially extending radially outwardly facing seating surfaces for each of t |
| 4094353 |
Tires having a solid polyurethane core |
June 13, 1978 |
| A process for puncture-proofing a pneumatic tire mounted on a wheel rim comprises filling the tire with a liquid reactant mixture of (a) at least one liquid polyoxypropylene polyether polyol and (b) a diphenylmethane diisocyanate chemically modified by known means to liquid form, the |
| 4091856 |
Tire having annular reinforcing structure and compressed rubber hoop |
May 30, 1978 |
| A tire, which can be solid or pneumatic, which has an elastomeric tread portion, an inextensible annular reinforcing structure beneath the tread and a hoop of rubber inwardly of the reinforcing structure. The hoop of rubber is held in a state of compression in the unloaded and, if the ti |
| 4090670 |
Method and apparatus for the recovery of vulcanized elastomeric material |
May 23, 1978 |
| Rubber is recovered for re-use e.g. from scrap pneumatic tires by briefly raising a surface of the tire to a high temperature and then rasping the heat-treated surface. Tires reinforced either with a textile or a steel ply can first be parted on opposite sides of the breaker structure. A |
| 4089499 |
Seats |
May 16, 1978 |
| A seat assembly in which a seat is mounted on a vibration damping mounting including a variable rate spring in the form of a fluid filled and pressurized pouch disposed between two rigid members capable of relative rotation, vertical movements of the seat which result in relative rotatio |
| 4088722 |
Method for molding a block of polyurethane foam having a flat upper surface |
May 9, 1978 |
| A method is provided to make substantially flat-topped blocks of plastics foam, e.g. polyurethane, by a batch process. The foam-forming reaction mixture is dispensed into a cavity defined by a support and shaping members for the sides of the block. As the foaming commences the support |
| 4088219 |
Passenger conveyors |
May 9, 1978 |
| A comb plate device for a passenger conveyor comprising a longitudinally extending mounting plate for mounting transversely of a conveyor, a comb plate pivotally mounted on the mounting plate about an axis parallel to the said mounting plate and fluid-sensing means to detect pivotal move |
| 4081015 |
Wheel rims and pneumatic tire and wheel rim assemblies |
March 28, 1978 |
| A wheel rim for a pneumatic tire having a pair of annular tire bead retaining flanges and a well located adjacent one of the flanges beneath the normal seating position of an associated tire bead. A well-filling ring can be located in the well to fill the well and provide support for |
| 4076891 |
Product and method of molding plastic-rubber composites |
February 28, 1978 |
| A method of producing a molded plastic-rubber composite comprising injection or transfer molding a substantially linear crystalline low pressure solution olefin polymer so that it is brought, in a molten state, into contact with a prevulcanized rubber component containing up to 70 per |
| 4070903 |
Outflow meter for measuring surface drainage characteristics |
January 31, 1978 |
| An outflow meter for measuring the drainage characteristics of a surface comprising a disc having a surface engaging face which is disposed in contact with the surface during use of the meter, an orifice extending through the disc and terminating at the surface engaging face, means for |
| 4057446 |
Pneumatic tire manufacture |
November 8, 1977 |
| In the moulding of the tread portion of a pneumatic tire the radially inner surface of the mould cavity is defined by the radially outer surface of an annular former of elastomeric material. The former is contracted, a breaker assembly is built onto it and it is allowed to expand to stre |
| 4056016 |
Belting |
November 1, 1977 |
| A method of joining two ends of belting having a layer of cover material and an embedded longitudinal reinforcement structure which is longitudinally compressible comprising removing the cover material from the reinforcement structure a short distance from each end of the belting, pl |
| 4055619 |
Tire manufacture |
October 25, 1977 |
| In moulding the tread portion of a pneumatic tire to have a breaker structure incorporated therein the breaker is built in an annular mould cavity to have a radially outermost 90.degree. ply consisting of parallel cords extending axially of the cavity, and uncured rubber is introduced |
| 4055236 |
Disc brake with an annular metal frame holding part-circular pads |
October 25, 1977 |
| An annular brake disc takes the form of a metal frame having circumferentially-distributed, part-circular apertures in which part-circular pads of high heat-absorption material are inserted. Chordal gaps of the apertures open radially of the frame and through these the pads can be in |
| 4051884 |
Pneumatic tire containing gel lubricant |
October 4, 1977 |
| A lubricant gel is made from a poly(alkylene oxide) lubricant, a finely divided silica and a gel-strengthening amount of an ionic salt having a pH of 5.5-8.5 when in 0.1 M aqueous solution. The gel is useful in the inflation chamber of a pnemuatic tire to enable it to run safely in a |
| 4050322 |
Belting |
September 27, 1977 |
| Belting having a layer of covering material and a compression resistant longitudinal reinforcement structure the belting being formed with a joint region at which ends of the reinforcement structure are in end-to-end relationship with a layer of jointing fabric overlying the ends of the |
| 4048362 |
Reinforced elastomeric articles |
September 13, 1977 |
| The invention relates to a method of bonding certain aromatic polyamide to nitrile rubber compositions by applying to an aromatic polyamide a coating of a vinyl chloride polymer, preferably as a latex or plastisol, assembling the coated aromatic polyamide with the rubber composition and |
| 4046182 |
Safety tire and wheel assemblies |
September 6, 1977 |
| A safety tire and wheel rim assembly incorporating a safety tire support member which is capable of slippage relative to the rim. The wheel rim is of substantially uniform diameter between its bead seats and a pair of spacer members are provided, one on each side of the safety support to |
| 4040465 |
Wheel rim assemblies |
August 9, 1977 |
| A wheel rim assembly comprising a rim having a well disposed between tire bead seats, a well cover band arranged to extend circumferentially around the well so as to prevent a tire bead from entering the well, the cover band being split at one side of its circumference, and a link of |
| 4029829 |
Friction member |
June 14, 1977 |
| The invention provides a more economical carbon-fiber-reinforced carbon surfaced friction member, such as a brake disc, by replacing a disc which is of fiber-reinforced carbon throughout its thickness by a disc in which a fiber-reinforced surface layer is bonded to a base of a less expen |
| 4028042 |
Moulding apparatus |
June 7, 1977 |
| A moulding apparatus including a pair of mould cavities with locking spue grooves, means to form moulded rubber article parts in the cavities, means to prework the rubber without substantial curing before it is formed, means to pressurize the mould with gas and means to bring the mould |
| 4027713 |
Lubricant container assembly |
June 7, 1977 |
| A lubricant container for a pneumatic tire and wheel assembly, the container having an orifice in which is located an elastomeric stopper, the stopper having three co-axial portions, the end portions being of smaller dimensions than the central portion which is arranged to be an inte |
| 4026579 |
Liquid/gas suspension systems |
May 31, 1977 |
| In a liquid/gas suspension system for a vehicle wherein shock loads caused by the vehicle moving over an uneven terrain are transmitted from a road wheel to a piston reciprocable in a cylinder fixed relative to the chassis, the piston pressurizing a liquid in which a gas spring is im |
| 4016915 |
Pneumatic tires |
April 12, 1977 |
| A tire comprises a tread portion, sidewall portions, and beads, the tread portion having a tread pattern comprising a plurality of bars arranged herringbone fashion about the mid-circumferential plane of the tire, the tire being reinforced by a plurality of plies of cord fabric wherein a |
| 4010235 |
Moulded plastic-rubber composites |
March 1, 1977 |
| A method of producing a moulded plastic-rubber composite comprising injection or transfer moulding a thermoplastic high pressure polymerized ethylene polymer so that it is brought, in a molten state, into contact with a prevulcanized rubber component containing up to 55 per cent by v |
| 4006053 |
Manufacture of moulded articles |
February 1, 1977 |
| An apparatus is provided whereby the three components (sidewalls and tread) of a pneumatic tire are moulded in a single press operation using two transfer units charged with uncured rubber which are located in the press so as to discharge to the mould cavities when the press is closed, a |
| 4005943 |
Resilient structures |
February 1, 1977 |
| A resilient open-comparted three-dimensional structure suitable for use as a ground surface covering comprising an interlocked assembly of two pluralities of strips respectively formed at intervals with apertures and profiled regions which co-operate to interlock together the two plu |
| 4004467 |
Conveyor belting |
January 25, 1977 |
| Conveyor belting which is made substantially rigid in a transverse direction by means of at least two spaced-apart layers of high modulus transverse elements one layer either side of a core of compounded material having an average hardness of at least 75 BS degrees of hardness, of which |
| 3999589 |
Apparatus for producing tire tread patterns |
December 28, 1976 |
| An apparatus for cutting a tread pattern on a tire consisting of means to permit the direction of cut of a power driven cutting means to be varied and the cutting means to be tilted to follow the curvature of the tread of the tire. |
| 3999588 |
Wheel rims, pneumatic tires, and wheel rim and pneumatic tire assemblies |
December 28, 1976 |
| A split rim assembly, the one-half of the rim being furnished with both bead seating portions, one of said bead seating portions extending substantially parallel to the rim axis and merging into a ramp which is engageable by the toe of the bead of an associated tire to seal the tire/ |
| 3999587 |
Pneumatic tire and wheel rim assemblies |
December 28, 1976 |
| A pneumatic tire and wheel rim assembly capable of being run in a deflated condition comprises a wheel rim having a pair of bead seats, a circumferential well disposed between the bead seats, and closure means for the well defining in combination with one of the bead seats a circumfe |
| 3999429 |
Tire testing apparatus |
December 28, 1976 |
| A tire testing apparatus comprises a framework for attachment to a vehicle, a measuring beam for mounting substantially parallel to the transverse axis of a vehicle to which the apparatus is to be attached during use, said beam being mounted pivotally at one end to the framework so that |
| 3997641 |
Method of manufacturing tire inner tubes |
December 14, 1976 |
| A method of manufacturing tire inner tubes in which the tube is moulded in two annular parts from worked uncured rubber, and the parts are joined but before curing of the rubber is completed the tube is stretched to a larger internal diameter and inflated into a mould with the larger int |
| 3993310 |
Shuttlecocks |
November 23, 1976 |
| A shuttlecock skirt has an array of diverging stems, whose ends are at the convergent end of the skirt, joined together in an end-ring. The outer end of the end-ring is closed to form a member of `U` -- shaped transverse cross-section. This member is provided with a nose-stem, projecting |
| 3989791 |
Method and apparatus for moulding tires employing pivoting tread forming segments |
November 2, 1976 |
| To permit moulding of a rigid breaker tire in a single-phase diaphragm press without damage caused by axial movement of the tread-forming segments relative to the tire carcass in the mould the tread segments are mounted to pivot about fixed longitudinal axes as the press is opened and |
| 3983974 |
Air cooled disc brake |
October 5, 1976 |
| In an aircraft wheel and disc brake assembly wherein carbon rotor discs keyed to the wheel are interleaved with carbon stator discs keyed to a torque tube fixed to the axle and in which a fixed draught of air is passed through and around the disc pack, the consequential increase in o |
| 3982578 |
Pneumatic tires |
September 28, 1976 |
| A pneumatic tire comprises a reinforcing layer including at least one metal wire felt. The felt comprises a mat of crimped continuous metal wires intermingled in three dimensions. The layer may comprise a tread reinforcement, breaker layers, sidewall reinforcements and various types |
| 3979553 |
Spacer-dampers for power transmission lines |
September 7, 1976 |
| A spacer-damper for overhead transmission lines of at least three subconductors comprising arms, one for each subconductor, mounted by resilient damping means to a rigid frame. Each arm has a cable clamp at one end and at least two of the arms extend from the frame so that a line bet |
| 3979249 |
Tire building apparatus |
September 7, 1976 |
| An inflatable shaping bag or diaphragm for a tire building or shaping former. The bag is based on an elastomeric sheet radially expansible but has high lateral bending stiffness in part of its width owing to the presence of at least one pair of reinforcements of inextensible reinforc |
| 3979110 |
Energy absorbers |
September 7, 1976 |
| An energy absorber which comprises in cross-section at least one limb of rubber-plastic composite material comprising a layer of rubber and a layer of plastics, said layers being united together and each extending substantially in the direction of the length of the limb, and the layer of |
| 3977455 |
Tires |
August 31, 1976 |
| A radial ply pneumatic tire for use in a lubricated tire and wheel assembly. The tire has a flat braced tread wider than its wheel rim and a maximum internal section height in the region between the tread edge and a line parallel to the mid-circumferential plane 1/3 of the width of the |
| 3977131 |
Tire grinding machines |
August 31, 1976 |
| Method and apparatus for improving the uniformity of a tire and wheel assembly. The apparatus comrises a frame rotatable through four stations, and displaceable grinding and driving apparatus provided at two of the staions to drive the tire against a rotation grinding wheel, the directio |
