baber/WOPTO huggingface dataset:
Patent GB-2053625-A (GB)
Title: Combined wired broadcasting and viewphone system
IPC: H04N7/173
Filed: 1980-06-04
Abstract: A wired broadcasting system comprises a plurality of subscriber stations each connected to a central exchange, Fig. 1, by a respective transmission cable 1-8, a plurality of bus-bars 9-19, a plurality of programme sources for applying television signals at a first frequency to respective bus-bars, a plurality of switches e.g. 21-31 for selectively connecting each subscriber cable to any one of the bus-bars, and at least one receiver at each subscriber station for receiving signals at said first frequency, each subscriber station being provided with means for controlling said switches, and at least two subscriber stations being provided with means for generating television signals at a second frequency and for applying the generated signals to said cables. At least one pair of the bus-bars are interconnected by a two-way frequency changer 20 adapted to convert signals at said second frequency on either bus-bar of said pair to signals at said first frequency and to apply the converted signals to the other bus-bar of said pair. This enables two-way visual communication to be established between the said at least two subscriber stations via said frequency changer. <IMAGE>
Patent GB-2082639-A (GB)
Title: Sling belt
IPC: D03D11/00
Filed: 1980-08-28
Abstract: A woven sling belt includes a face side (11) and a rear side (12), the face side (11) being formed to haves generally C-shaped or channel-shaped cross- section woven of synthetic resin filaments of a polyamide, the rear side (12) being formed to have a flat cross- section and is woven of synthetic resin filaments which have higher strength but lower elongation than those of the filaments of the face side (11). <IMAGE>
Patent GB-2084884-A (GB)
Title: Evaporator entrainment separator
IPC: B01D1/30
Filed: 1980-09-30
Abstract: A separator assembly (30) for an evaporator comprises an ensemble of spaced-apart corrugated vanes (31) mounted in a hollow cylindrical configuration at the outlet (22) of the evaporator. The spacing between adjacent vanes (31) is such as to prevent line-of-sight passage of vapor between adjacent vanes (31) from the outer wall (33) to the inner wall (34) of the ensemble. The upper end of the ensemble of vanes (31) is secured to an annular support member (32), which is secured to the evaporator circumjacent the outlet (22). A closure member (40) is secured to the lower end of the ensemble. The annular support member (32) and the closure member (40) prevent vapor from leaving the evaporator via any path other than a tortuous path between adjacent vanes (31) in a direction from the outer wall (33) to the inner wall (34). Droplets entrained in the vapor passing through the separator assembly (30) impinge upon the vanes (31) and are thereby separated from the vapor. <IMAGE>
Patent GB-2062875-A (GB)
Title: Rotation and axial displacement transducers
IPC: G01P3/488
Filed: 1980-10-21
Abstract: A transducer for providing a signal representative of the speed of rotation and axial setting of an axially movable component 10 comprises a member 11 rotatable with and axially movable with the component, a sensor 14 positioned adjacent the surface of the member 11, the surface having a generally conical portion the distance of which from the sensor varies with the axial position of the component and a projection 12 and a slot 13 the distances of which from the sensor remain constant, the signal produced by the sensor having a repetition frequency which depends upon the speed of rotation and high and low levels depending upon the distances of projection 12 and slot 13 from the sensor. In Fig. 5, the sensor 24 monitors projections 22, 23 of differing heights or depths on a flange 21 rotating with a shaft. <IMAGE>
Patent GB-2077800-A (GB)
Title: Rainwater gutter attachment bracket
IPC: E04D13/068
Filed: 1980-11-06
Abstract: A hanger bracket has recesses (12) for the reception of resilient sealing strips and pairs of abutment members (14) for overlying the opposite side edges of lengths of plastics guttering and retaining them in position. In order to facilitate the moulding of the bracket, the pairs of abutment members (14) are located each pair at one side only of an adjacent one of the recesses (12) for the sealing strips, that is to say adjacent the respective ends of the bracket. The bracket is used where two lengths of guttering about end-to-end. <IMAGE>
Patent GB-2067931-A (GB)
Title: Chucks
IPC: B23B31/28
Filed: 1981-01-02
Abstract: A self-centering chuck for machine tools such as lathes includes jaw members (3) opened and closed by an electric motor (10-11) associated with an epicyclical reducing unit (19-20-21) which acts via a rotating nut (22) and rotationally fixed but axially moving screwsleeve (25) to operate wedge means (6a, 33) and radially move the jaws (3). The clamping force or torque on the workpiece, or bar, is obtained from the torque provided by the locked-rotor motor and is transmitted to the clamping jaws (3) by means of elastic means (27-28-29) disposed between the nut (25) and cylindrical wedge member 32, the value of the clamping force being held constant by means of an electromagnetic brake (14-15-16) acting on the rotor as this latter has achieved the desired clamping torque or by means of mechanical torque limiting means. <IMAGE>
Patent GB-2090827-A (GB)
Title: Regioselective preparation of alpha - or beta -Naphthol
IPC: B01J27/00
Filed: 1981-01-13
Abstract: A process for the regioselective hydroxylation of naphthalene with hydrogen peroxide giving either  alpha - or  beta -naphthol in high isomeric purity depending on the acid system employed to carry out the reaction, comprising reacting naphthalene with a molar excess of hydrogen peroxide in an acid system having an Ho acidity function of -11 to produce  alpha -naphthol with an isomeric purity from about 92 to 98 + % or in a superacidic system having an Ho acidity function in excess of - 11 to produce  beta -naphthol with an isomeric purity from about 92 to 98 + %. (Ho is the logarithmic Hammett Acidity function scale.) <IMAGE>
Patent GB-2071343-A (GB)
Title: Automatic feed weighers
IPC: G01G13/24
Filed: 1981-01-29
Abstract: Plant for delivering measured quantities of wet concrete to moulds 66 has a storage hopper 2 supplied, when the load in the hopper falls below a predetermined amount, from mixing plant 4. The storage hopper 2 has a vibrated outlet 10 discharging to a tray vibrator 12 and a weigh hopper 20. When a predetermined load of concrete has been discharged to the weigh hopper, a gate plate 30 is moved to allow the concrete to fall through an adjustable cross-section delivery chute 48 into moulds 66 on a conveyor belt 68, sequentially indexed to register with the chute. <IMAGE>
Patent GB-2098418-A (GB)
Title: A frequency measurement circuit
IPC: G01R23/06
Filed: 1981-05-07
Abstract: A frequency measurement circuit (2) comprises an isolating transformer and full wave bridge device (4), stabilised DC supply means (6) connected to the full wave bridge device, a pulse generator (8) connected to the full wave bridge device, a bistable device (10) connected to the stabilised DC supply means and for receiving a DC supply from the DC supply means, a monostable device (12) which is connected to the bistable device and which is positive edge triggered from the output of the bistable device, and summer means (14) connected to the bistable device and operative to provide an inhibit signal to set a frequency below which a frequency meter will not give a reading, the summer means also being connected to the monostable device for providing an enabling signal for the frequency meter so that the frequency meter will give a reading. Variable resistors RV1, RV2 determine respectively the zero value (minimum frequency) and the full scale meter reading. <IMAGE>
Patent GB-2102635-A (GB)
Title: Electrical insulating device
Inventor: SEBASTIAN PETER
IPC: H01R13/52
Filed: 1981-06-06
Abstract: An insulating device for use with the ends of electric cables, comprising a member (1) of electrically insulating material which has an aperture or passage (4) for receiving a central earth core (9) and has receiving portions (2 and 3) for the positive and negative cores (5 and 7) disposed either side of said aperture or passage (4) and separated therefrom by the insulating material, such that when the device is inserted into position on the end of a cable (10), the three cores (5, 7 and 9) of the cable (10) are spaced apart in a manner reducing the likelihood of short circuiting during testing. <IMAGE>
Patent GB-2087850-A (GB)
Title: Readily openable container closure
IPC: B65D41/14
Filed: 1981-09-17
Abstract: A readily openable, hermetically sealing unit for containers is composed of a cap cover 10 crimped onto the mouth 15 of the container and over opening means supported by the mouth and consisting of a member 20 shaped so as to provide a twin-inclined plane structure which, upon rotation of the cap cover, widens the side wall thereof thus permitting the disengagement from the container and the easy removal of the cap cover. <IMAGE>
Patent GB-2106139-A (GB)
Title: An anode coated with beta -lead dioxide
Inventor: SHINAGAWA AKIHIRO
IPC: C25B11/04
Filed: 1981-09-23
Abstract: An anode coated with  beta -lead dioxide and having particularly good dimensional stability and excellent adhesion of the  beta -lead dioxide coating layer to the substrate, and which is thus highly suitable for the electrolytic production of chlorates, perchlorates, and periodates, and is also useful as an insoluble anode in electroplating and in electrolytic treatment of waste water, said anode comprising a titanium substrate (1), titanium expanded metal (2) welded on at least one side of the titanium substrate, titanium reinforcing bars (3) welded on the peripheries of said expanded metal to both said expanded metal and said substrate, at least one medium layer (4) being applied on said substrate and said expanded metal, said medium layer consisting either of a platinum group metal or an alloy or an oxide of platinum group metals; and a  beta -lead dioxide coating layer (5) on said medium layer. <IMAGE>
Patent GB-2087977-A (GB)
Title: Bearing arrangement or a telescopic cylinder
IPC: F15B15/16
Filed: 1981-11-11
Abstract: A bearing arrangement for a telescopic cylinder of a tipping device for a vehicle, said cylinder comprising a plurality of cylinder tubes (2A, 2B) which are mounted axially slideably within each other pairwise by means of two bearing surfaces (5a, 6a) located between the cylinder tubes in each pair of cylinders. Both bearing surfaces are provided on the inner surface (2a) of the outer cylinder tube (2A) close to the mouth of the tube to remain at a constant distance from each other during a stroke. The outer surface (2b) of the inner cylinder tube (2B) is machined to form a sliding surface for said bearing surfaces. Due to this, the inner surface of the outer cylinder tube need not be machined to form a sliding surface and this increases the dimensional accuracy of the bearing arrangement and improves the stability of the telescopic cylinder. <IMAGE>
Patent GB-2110938-A (GB)
Title: Games score indicating device
Inventor: STAMM BRUNO
IPC: A63B71/06
Filed: 1981-11-25
Abstract: The device serves to indicate the state of play between two players or teams positioned at opposite ends of the playing field or court. It is designed symmetrically and has at least two counting devices (8, 9) which point in opposite directions and which are rotatable 180 DEG  in order to indicate a change of sides. Spectators thus have a better idea of how play has progressed, when, for example, matches are played simultaneously on different courts. <IMAGE>
Patent GB-2112682-A (GB)
Title: Ratchet wrench
Inventor: MAO-LIN YANG
IPC: B25B13/46
Filed: 1982-01-04
Abstract: An open end driving member 10 of a ratchet wrench has a cylindrical opening 24 mounted with a rotatable workpiece turning member 16. Between the rim 26 of the turning member 16 and the inner wall of the cylindrical opening 24, a ratchet and pawl mechanism 11, 17 is provided for a single direction of driving the turning member 16. A jaw-like groove 25 of the turning member 16 for holding the workpiece, while coinciding with a mouth 14 of the driving member, is accessible to the workpiece in the radial direction. Thus, the ratchet wrench can be used to tighten and loosen a nut 42 mounted around a pipe. The member may have a worm and racks for opening jaw halves. <IMAGE>
Patent GB-2117021-A (GB)
Title: Flameproofing compositions
Inventor: SHARP ROY
IPC: D06M13/298
Filed: 1982-03-16
Abstract: A flameproofing composition comprising a (monohalogenated alkyl) phosphate and an emulsifying agent. The composition is for flameproofing leather.
Patent GB-2099192-A (GB)
Title: Electronic pace timing apparatus
IPC: A63B69/00
Filed: 1982-03-25
Abstract: A sound generating device for a jogger has a generator circuit for generating pace signals the frequencies of which are different from each other in correspondence with different tempos and for generating reference clock pulses, a time counter for receiving and counting the reference clock pulses, and circuits for selectively supplying pace signals the frequencies of which are different from each other and which are supplied from the generator circuit. In response to an instruction signal generated by a switching operation, the time counter starts counting. Simultaneously, based on a selected pace signal from the generator circuit, a desired pace sound can be produced.
Patent GB-2117842-A (GB)
Title: Means for equalising the temperatures within a gas turbine engine
Inventor: PASK GEORGE
IPC: F01D25/14
Filed: 1982-03-25
Abstract: In order to reduce thermal distortion ('hogging') due to differential temperatures caused by convection effects in a shut-down gas turbine engine, means are provided for equalising the internal temperatures. This means comprises circumferential ducting (16, 17) interconnecting the top and bottom of the engines gas flow annulus, and air moving devices (18, 19) which cause a flow of air which counteract the convectional flows. <IMAGE>
Patent GB-2117327-A (GB)
Title: Inflatable vessel canopy
Inventor: RISK FREDERICK THOMAS
IPC: B63B7/08
Filed: 1982-03-27
Abstract: A vessel (10) such as a liferaft has a body (11, 12) inflatable by means of a compressed-gas cylinder (16) and an over-pressure valve (17) to prevent over-inflation. A canopy (15) of the vessel has double skins (20, 21) and an outlet of the valve (17) is connected, e.g. by tube (18), to the interior (19) of the canopy (15) so that excess gas from inflation of the body can help to inflate the canopy to improve its thermal insulating characteristics. A valve (22) allows mouth or pump inflation of the canopy and also gas release for packing. The canopy has an overpressure valve (23). <IMAGE>
Patent GB-2096563-A (GB)
Title: Sea swell and shock load compensator
IPC: B66D1/52
Filed: 1982-03-31
Abstract: A hoist or crane incorporating such a compensator is used in transferring or supporting a load either between two stations at least one of which is floating in water subject to a sea swell or between a single station which is either floating in the water, or fixed, and the water itself, and is installed at either of the two stations or at a single station. The compensator 17 is hydraulically operated to heave in hoisting rope when subjected to less than a given load and to pay out hoisting rope when that load is exceeded. The hydraulic system is pressurised by gas loaded accumulators 8, 9 and includes a selector 16 for achieving either bi-directional flow of the hydraulic fluid between the accumulators and the compensator to compensate for load position movements, or a uni-directional flow permitting heaving in but preventing subsequent paying out, whereby the load is removed from the sea at the wave crest level. <IMAGE>
Patent GB-2119021-A (GB)
Title: Carburettor control in turbo charged engines
Inventor: READ STEPHEN
IPC: F02D23/00
Filed: 1982-04-22
Abstract: The pressure downstream of the turbocharger compressor I is transmitted to the carburettor piston through a manually controlled on-off valve O and a tuning valve T. The lift of the piston is reduced as the compressor discharge pressure rises. <IMAGE>
Patent GB-2130926-A (GB)
Title: Improvements relating to screw-threads
Inventor: COUGHTRIE THOMAS ROBB
IPC: B21H7/00
Filed: 1982-11-25
Abstract: An internally screw-threaded tubular member has the thread (6) formed when it is a flat blank (1). This may be done by rolling, stamping or cutting corrugations from edge to edge of the blank, and may leave the embryo thread with a truncated profile. The blank is then made tubular around a mandrel so that the edges come together and the corrugations marry up to form the screw-thread. The edges may be left in abutment, or may be externally welded or brazed together. A particular application is for the end of a handle of an adjustable wrench. <IMAGE>
Patent GB-2111285-A (GB)
Title: A method of forming a colour filter layer for a liquid crystal display device
Inventor: UCHIDA TATSUO
IPC: G02B5/20
Filed: 1982-12-13
Abstract: A dyeable layer (33) is formed upon each electrode of a plurality of electrodes arranged spaced-apart on a base plate (21) of a liquid crystal display device, the thus formed layers being dyed with a preselected dyestuff. Preferably, the dyeable layers are divided into groups (R, G, B) each group being dyed with a dye of different colour. The layers may be hardened before dyeing and may be subsequently covered by a protective membrane and a liquid crystal orienting layer (26). <IMAGE>
Patent GB-2118518-A (GB)
Title: Improvements relating to load-handling apparatus
Inventor: BRANDT JACOB HANS
IPC: B60P1/38
Filed: 1983-02-25
Abstract: Conveying apparatus for incorporation in a floor (13) to move a load therealong, the floor having an elongate slot therein. The conveying apparatus comprises an endless cable or chain (10) mounted on an arrangement of drive (11) and guide (12) pulleys rotatable about generally parallel axes so that the chain or cable travels along said slot in the floor. Elevating means (e.g. an inflatable pad) is arranged to raise and lower the path of the cable or chain in the slot relative to the floor, so that when raised the chain or cable will be above the level of the floor to engage a load on the floor and move the load along the floor. <IMAGE>
Patent GB-2116925-A (GB)
Title: Trailer hitches
Inventor: SHELDRAKE ERNEST JAMES
IPC: B60D1/50
Filed: 1983-03-18
Abstract: A hitch (200) for attaching an item of equipment to be towed, e.g. a caravan or trailer, to a towing vehicle, comprises a framework (202) carried by a pair of road wheels (212) or rollers for locating between the rear of the towing vehicle and the forward end of the item to be towed, a tow ball for attachment to the item to be towed, connecting means for detachably joining the hitch to the rear of the towing vehicle, the tow ball and connecting means being pivotally connected to the framework (202) via pneumatic suspension means (218) with the pivotal connection being arranged to permit pivoting movement about a horizontal axis extending in a generally fore and aft direction. The pivotal movement thus permitted by this arrangement has the effect of providing independent suspension for the wheels or rollers, thus greatly enhancing handling characteristics. <IMAGE>
Patent GB-2123042-A (GB)
Title: Apparatus for producing a fancy yarn
Inventor: MEHTA ATHUL
IPC: D02G3/34
Filed: 1983-06-30
Abstract: A rotatable hollow spindle 3 carries a binding thread bobbin 4 and, at its exit end, a false-twist element 6. A first pair of feed rollers 1 for a foundation thread G and a second pair of feed rollers 2 for an effect thread E delivered at a higher speed than the foundation thread G are arranged upstream of the bobbin 4. A pair of draw-off rollers 7 draw off the finished fancy yarn F. A separate variable driving motor 10 drives the second pair of feed rollers 2. A central driving motor 8 drives the pair of draw-off rollers 7 and, via an infinitely variable speed transmission 9, the first pair of feed rollers 1. A winding body 11 whose axis of rotation A is arranged coaxially with the axis of the hollow spindle and which can be driven by the driving motor 10 via a variable speed transmission 12 is hollow for the passage of the foundation thread G. The effect thread E is delivered tangentially to the winding surface 11% of the winding body 11 substantially perpendicularly to the axis of rotation A of the said body by way of a thread guide 13. <IMAGE>
Patent GB-2123483-A (GB)
Title: Turbo-charged compression- ignition engine
Inventor: KANESAKA HIROSHI
IPC: F02D13/02
Filed: 1983-07-12
Abstract: The engine has a turbo-charger 40 which has a variable area nozzle controllable by mechanism 69 in which a passage is formed (Fig. 2) to provide flow communication with the engine inlet duct 42; a mechanism 56 for controlling rotary-valve 53 closing timing; an auxiliary cam (Fig. 10) for opening the exhaust valve at a point near bottom-dead-centre in the suction stroke; and an intake air- cooler 66, bypass 67 and changeover valve 65. Lever means 59 controls, in response to the intake air pressure, the turbocharger via cable and lever 62, 68, mechanism 56 and airflow through cooler 66. In full load operation the cylinder intake valve and the rotary valve open and close in unison and during low load operation the rotary-valve is advanced so that during the suction stroke the rotary valve closes, the exhaust valve is then opened to allow exhaust gas back into the cylinder to ensure sufficient temperature and pressure for fuel ignition at low load. <IMAGE>
Patent GB-2127060-A (GB)
Title: Improvements in roof ventilation
Inventor: MATTHEWS DOUGLAS FREDERICK EWA
IPC: E04D13/17
Filed: 1983-08-25
Abstract: A ventilated roof assembly comprises a fascia board 20 attached to the ends of rafters 10 and roofing tiles laid on the rafters. A ventilator 34 comprising an elongate member having a row of apertures fixed to the upper edge of the fascia board to provide ventilation to the roof space. A fluted moulded plastics tray 30 may be fitted over the rafters and under the ventilator and tiles to provide air flow passages from the ventilator apertures up into the roof space clear of any insulating material in the roof space. The ventilator may also be used in situations where the fascia board is attached directly to the wall of the building on which the roof is supported. <IMAGE>
Patent GB-2139382-A (GB)
Title: An arrangement for controlling a pneumatic motor
Inventor: LUBOS WALTER
IPC: F01B25/02
Filed: 1983-09-16
Abstract: An arrangement is disclosed for controlling a pneumatic motor 1, which, for example drives a hoist or lift. The arrangement allows the speed of the motor to be controlled, at a desired valve below the nominal speed. The arrangement includes a motor actuating valve 2 connected between the motor 1 and lines 17 and 3 respectively connected with a compressed air source N and, via a spool controller 4, with an exhaust line 26. The spool of the spool controller 4 has control surfaces 8, 13, 14, 21 so adapted to one another that adjustment of the motor actuating valve 2 causes the pressure difference upstream and downstream of said valve 2 to act via a two-way valve 10 on the spool controller 4 in proportion to the load on the motor 1 so as to throttle to a corresponding extent the exhaust flow from the motor. The motor 1 may have two directions of flow and the load may be effectively applied in both directions. A speed controller R is provided and may act to sense one of the pressures acting on the spool, as shown, when a set speed is reached or the inlet fluid, Figs. 2 & 3, not shown. The spool may be constructed as a differential piston (4', Figs. 2 & 3 not shown). <IMAGE>