baber/WOPTO huggingface dataset:
Patent GB-2473463-A (GB)
Title: Apparatus for collaborative working
Inventor: WATSON DOUG
IPC: G06Q10/00
Filed: 2009-09-10
Abstract: A computer apparatus to support a collaborative working environment is described. A computer apparatus 50, as part of the computer network, stores an electronic document and is operable to render data defining an image of a workspace in a windowing graphical user interface. The rendered image data is offered for downloading to further computer apparatus 50. The first computer apparatus is operable to receive commands from further computer apparatus. The computer apparatus is responsive to a first command, received from the first or further apparatus, to cause the stored electronic document to be opened and thereby to cause image data corresponding to said electronic document to be included in the workspace. A third command from a further computer's keyboard, mouse or touchpad may edit the document. A collaborative workspace image may be periodically generated by comparing a preceding version of the image to determine a difference, using an XOR operation, and then sending the difference to a further computing apparatus.
Patent GB-2461835-A (GB)
Title: Dual stage cyclonic vacuum cleaner
Inventor: MAKAROV SERGEY V
IPC: A47L9/16
Filed: 2008-05-22
Abstract: A home cleaning appliance comprises a housing, an airstream suction source, a cyclone main body, and a dirt cup. The housing includes a main suction opening. The airstream suction source is mounted to the housing and includes a suction airstream inlet and a suction airstream outlet. The suction source selectively establishes and maintains a flow of air from the main suction opening, via the airstream inlet, to the airstream outlet. The cyclone main body is supported by the housing and is in communication with the main suction opening. The cyclone main body has a uniform outer circumference and includes a first stage separator, and a plurality of downstream second stage separators. The first stage separator has a longitudinal axis offset from a longitudinal axis of the cyclone main body in order to accommodate the second stage separators. The dirt cup is connected to the cyclone main body. The dirt cup includes a first particle collector and a second particle collector. The first particle collector communicates with the first stage separator for collecting dust particles from the first stage separator. The separate second particle collector communicates with the plurality of second stage separators for collecting dust particles from the second stage separators.
Patent GB-2463599-A (GB)
Title: Display device
Inventor: QUINN DERMOT JOHN
IPC: G09G3/34
Filed: 2008-06-12
Abstract: A display system comprising a light source and a plurality of switchable elements, wherein each element is switchable at an element switching frequency in accordance with an element control signal between an "on" state in which light is directed from the light source onto a display, and an "off' state in which light is not directed onto a display. The light source being configured to generate a pulsed light source output at a light source pulse frequency.
Patent GB-1328454-A (GB)
Title: Catalytic exhaust gas convertors
IPC: B01J8/04
Filed: 1971-04-19
Abstract: 1328454 Purifying exhaust gases CHEMICAL CONSTRUCTION CORP 19 April 1971 [30 April 1970] 10007/71 Heading F1B A catalytic exhaust gas converter comprises a container 3, 4, 5 having catalyst beds 8 and 13 through which the exhaust gas passes in series and a heat exchanger 14, 18 in which air is heated by exhaust gas from the bed 13, the heated air being added to the exhaust gas between the beds. Partitions 6, 9 and 11 define the exhaust gas flow path within the container from the inlet pipe 2 to the outlet pipe 14. Air is introduced substantially tangentially into the annular heat exchanger passage through a pipe 17 for spiral flow to a substantially tangential outlet pipe 10. The container may be elliptical, Fig.2 (not shown), or rectangular, Figs.3 to 6 (not shown), and the air may be heated by passage through pipes (31,45), Figs.3 to 6 (not shown) extending between partitions (29, 36) in the container. The exhaust gas flows between the partitions (29, 36) to an outlet pipe (30). The air may be supplied by a blower driven by the fan belt or auxiliary gearing of the internal combustion engine producing the exhaust gas. A silencer may be provided downstream of the converter outlet. The catalyst beds may be inclined downwardly from the exhaust gas inlet wall 3. The catalyst beds may comprise elemental metallic zinc, nickel, platinum, copper, manganese, vanaduim, cobalt, chromuim or iron, or mixtures thereof, or mixtures including oxides thereof, which may be promoted by alkali earth metal oxides or carbonates of sodium, potassium, calcium or magnesium, deposited on kaolin, silica, alumina or zeolite. The catalyst beds may comprise the same or different catalysts the first bed effecting reduction of nitrogen oxides and the second the oxidation of hydrocarbons and carbon monoxide. The converter may be covered with a layer of insulation.
Patent GB-959798-A (GB)
Title: Angular carboxylic acid derivatives and their preparation
IPC: C07J9/00
Filed: 1961-03-20
Abstract: The invention comprises a compound of the hydrochrysene series bearing a group selected from the groups of formyl, carboxyl and an alkoxycarbonyl group at 13-position and the process for preparing a hydrochrysene derivative bearing alkoxycarbonyl group at 13-position which comprises reducing a hydrochrysene derivative bearing a nitrile group at 13-position by an alkali aluminium hydride or its alkoxylated derivative in an organic solvent, hydrolysing the resulting imino compound by alkali hydroxide or alumina, oxidising the resulting aldehyde compound by chromic acid and esterifying the resulting carboxyl compound by diazoalkane in an organic solvent; similarly reducing an estra-1, 3, 5(10)-triene derivative bearing a nitrile group at 18-position or its alkoxylated derivative in an organic solvent and hydrolysing the resulting imino compound by alkali hydroxide or alumina gives the corresponding estra-1, 3, 5(10)-triene derivative bearing an oxo group in 18-position. The 17- or 20-oxo groups when present, in the reaction above, may be protected with ethylene or propylene glycol. The 18-oic acid compounds so obtained may be reduced at 18-position to a D-homo-androstan-17-one, said 17-oxo compound treated with a Grignard compound to obtain a 17b -methyl-17-ol compound, said 17-hydroxy compound dehydrated to obtain a 16, 17-unsaturated compound which is oxidised, e.g. with H2O2 to obtain a 3-acyloxy-pregnan-20-one. Specifications 873,019, 915,892, 936,892 and 959,799 are referred to.
Patent GB-558049-A (GB)
Title: Improvements relating to aircraft controls
IPC: B64C9/32
Filed: 1942-07-21
Abstract: 558,049. Controlling aircraft. ARMSTRONG WHITWORTH AIRCRAFT, Ltd., Sir W. G., and LLOYD, J. July 21, 1942, No. 10164. [Class 4] An aeroplane is provided with lift-spoiling means operable either when the landing-gear becomes loaded or when the brakes are applied during landing and subsequent taxi-ing. As described a spoiler 19 on the upper surface of a wing or a spoiler 19a on an extension flap is operable only when the extension flap is in its rearward position. The flap is mounted as described in Specification 558,043 and a projection 31 on the forward suspension link engages an arm 20 supporting the spoiler to prevent it from being projected so long as the flap remains nested. When the flap is displaced rearwardly the projection 31 is moved clear of the arm 20 so that fluid pressure applied to a jack 16 through a flexible connection 15 can raise the spoiler 19 through the linkage shown. The pressure is derived from the landing gear as it becomes loaded or from the braking system. In the form shown in Fig. 4 the spoiler 19a is prevented from functioning by the surface 34 of the wing when the flap is in its normal nested position. Flaps arranged as in Specification 558,044 with ailerons arranged as in Specification 558,045 may be used.
Patent GB-560092-A (GB)
Title: Improvements in or relating to luminescent screens
IPC: H01J9/227
Filed: 1942-07-21
Abstract: 560,092. Cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 21, 1942, No. 10173. Convention date, Jan. 25, 1941. [Class 39 (i)] The fluorescent screen in colour television is formed by " printing " alternate strips of differing luminescent material on to the screen which has been coated previously with a binder. A number of plates 1, Fig. 1a, of glass, mica, plastic &c. are set on edge in a stack 3 and luminescent material 5 is applied to the edges ; a second similar stack 9 and, if desired, a third 15 is made up each with differing material according to the colours required. The stacks are then split up and a composite stack is built up with plates 3, 9, 15, Fig. 2, alternating, the different luminescent materials 5, 11, 17 being in sequence ; this composite stack is used to print the material on to the screen. The binder may be dilute alkali silicates or borates, nitrocellulose and alcohol or amyl acetate. Blue luminescence may be obtained by use of silver activated zinc sulphide, zinc silicate and zirconium silicate; green by use of alphawillemite with silver; for red chromium activated aluminium beryllicate or zinc cadmium sulphide with silver. For yellow in a two-colour screen may be used silver activated zinc cadmium sulphide, manganese activated beta-willemite or zinc beryllium silicate. The screen may be excited by ultra-violet or X-rays. Specification 255,057, [Class 39 (i)], is referred to.
Patent GB-858925-A (GB)
Title: Improvements in or relating to object holders in electron beam apparatus
Inventor: SCHOTT OTTMAR
IPC: H01J37/20
Filed: 1959-03-24
Abstract: 858,925. Electron microscopes. SIEMENS & HALSKE A.G. March 24, 1959, No. 10182/59. Class 39(1). [Also in Group XI] An object holder comprises a titanium tube 3 with recess 6 around which is a bifilar coiled tungsten hearing element 8, embedded in aluminium oxide powder 7, connected to wattmeter 14. The tube has a recess 9 within which the specimen is held by a member 10 screwed on to the tube, the walls of the member 10 surrounding the heating coil 8. The other end of the tube 3 is connected to a cup 2 of insulating material which in turn is connected to removable annular member 1. A mica washer ring 5 separates nut 4 from member 3, having annular terminal connections 11, 12. The member 2 is protected from stray radiation by member 13 connected to annulus 1.
Patent GB-541821-A (GB)
Title: Improvements in or relating to fuel supply systems for internal-combustion engines
IPC: F02M37/02
Filed: 1940-06-11
Abstract: 541,821. Pumps supplying liquid fuel to internal combustion engines. WYNN, E. D., and POBJOY, D. R.. June 11, 1940, No. 10185. [Class 102 (i)] In a fuel supply system for an internal combustion engine 10, the liquid is delivered to the suction side 20 of the engine-driven pump 11 under pressure from an ejector 15 which is situated below and supplied from the fuel tank 12 and operated from the pressure side 13 of the pump, a supply 21 to the carburetter being tapped off the ejector circuit on the suction side of the pump, as shown, or on the pressure side. The pressure on the suction side of the pump is maintained above that pressure at which the fuel tends to form vapour locks. A pressurereducing valve may be included in the circuit of the pump and ejector.
Patent GB-328408-A (GB)
Title: An improved vibratory massage appliance
IPC: A61H23/02
Filed: 1929-04-02
Abstract: 328,408. Hallett, J. April 2, 1929. Massage and vibratory treatment apparatus comprises an electromagnetic vibrator and battery housed in a container a, screw-threaded at the ends to take a closure cap b and a massage attachment c. The vibrator consists of a coil f, wound on a flat core bar g, and a parallel trembler blade h having a hammer head h<1> and an adjustable screw p therein, arranged to strike the wall of the casing or the attachment c. The battery e has end contacts, one of which engages the spring tongue o whilst the other is arranged to engage the screw s before contact is made between the metal disc s<1> and the plate r<1> which is connected by a strip r to the metal bar j which has an adjustable contact screw k co-operating with a vibrating contact point on a spring tongue n attached to trembler h. The ends of the coil f are connected to the spring tongue o and the trembler h respectively. The circuit can therefore be made or broken by slight turning of the cap b. The head may not strike the casing but vibrate freely within it, producing sympathetic vibration in the device c. Where this latter has a large internal cavity, the vibrator may project well into the interior, thus concentrating the effect at this end.
Patent GB-816994-A (GB)
Title: Means for controlling the speed of turbines
IPC: H02P23/00
Filed: 1957-03-28
Abstract: 816,994. Automatic speed control. SPECIALTIES DEVELOPMENT CORPORATION. March 28, 1957 [May 29, 1956], No. 10204/57. Drawings to Specification. Class 38 (4). In a system in which the supply of fuel or motive fluid to a turbo-generator unit is controlled by a servomotor in accordance with errors of frequency and phase, negative feedback is provided by a pressure transducer on the inlet side of the turbine providing a signal to a servoamplifier feeding the servomotor. The motive fluid may be steam or decomposed ethylene oxide.
Patent GB-875938-A (GB)
Title: Apparatus for the densification and energization of charged particles
IPC: H05H1/10
Filed: 1959-03-25
Abstract: 875,938. Nuclear fusion reactors. UNITED STATES ATOMIC ENERGY COMMISSION. March 25, 1959 [May 20, 1958], No. 10314/59. Class 39(4). Apparatus for the densification and energization of charged particles comprises a succession of axially communicating evacuated compression chambers; first field generating means carried by the chambers for generating an axially symmetrical unidirectional magnetic field having an intensity which increases progressively in steps in each successive compression chamber; second field generating means carried by the chambers for generating axially symmetrical pulsed magnetic fields within the chambers in time sequence, the peak intensity of each of the pulsed fields in combination with the unidirectional field in each chamber being greater than the unidirectional field in the next successive chamber; and particle source means communicating with the first of the chambers for introducing charged particles into it. In Fig. 1 the three chambers 16, 17, 18 are surrounded by coils 26, 27, 28, 29 connected in series to produce the unidirectional field and a more intense reflector field at the end of chamber 18, the strengths of the fields in the chambers being preferably inversely proportional to the cross-sectional areas of the chambers. Further coils 21, 22, 23, 24 are wound round the chambers and energized in sequence from pulsed current sources so that the magnetic field in chamber 16 rises to a magnitude greater than the field in chamber 17 and plasma in chamber 16 is concentrated into chamber 17; the magnetic field in chamber 17 is then increased above that in chamber 18 so that the plasma in chamber 17 is concentrated in chamber 18; finally coils 23 and 24 are energized to concentrate the plasma between them and between coil 24 and the reflector field produced by coil 29. A source 37 of ions and electrons or of plasma is provided in chamber 16 and is energized in advance of the pulse applied to coils 21.
Patent GB-924127-A (GB)
Title: Improvements in fluid flow control valve assembly
Inventor: CAPARONE MICHAEL JOHN
IPC: G05D23/02
Filed: 1960-03-23
Abstract: 924,127. Valves. ROBERTSHAW-FULTON CONTROLS CO. March 23, 1960 [April 7, 1959], No. 10331/60. Class 135. A fluid-flow control comprises a casing containing a thermoelectric safety valve (not shown) with reset button, a gas cock 22, 20, Fig. 2, a pressureregulating valve 46 actuated by diaphragm 34 and a valve 24 actuated by thermal rod and tube 26 and set at 28, gas passing through these parts in series to the outlet 14 and the diaphragm being loaded via lever 78, Fig. 4, by a spring 98 bearing at one end on the lever and at the other end on a non- rotating nut 100 moved axially along guide 108 when adjusting screw 70 is rotated. Diaphragm chamber 40 leads to a bleed at the inner end of spring housing 66 to form a dash-pot.
Patent GB-989401-A (GB)
Title: Catalytic oxidation of olefins
Inventor: WHIM BERNARD PATRICK
IPC: C07C45/34
Filed: 1963-03-15
Abstract: Unsaturated aldehydes and/or unsaturated carboxylic acids are obtained by reacting an olefin with oxygen in the vapour phase at an elevated temperature in the presence of a catalyst containing manganese, molybdenum, tellurium and oxygen.  The process is preferably carried out at 300-600 DEG  C. and, if desired, an inert gaseous diluent, for example nitrogen or steam or a mixture of these, may be used. Examples are given of the oxidation of propene and isobutene to give acrolein and methacrolein respectively.  In addition to acrolein some acrylic acid is formed.ALSO:A catalyst for use in the oxidation of olefins comprises manganese, molybdenum, tellurium and oxygen.  It may be prepared by mixing aqueous solutions or suspensions of a manganese salt, a molybdate and tellurium oxide or telluric acid or a tellurate and evaporating the mixture to dryness and igniting it. Alternatively the catalyst may be prepared by thoroughly mixing the oxides.  The catalyst may be used in finely divided form or as pellets and may be deposited on a conventional support or mixed with inert solids.  It may be used in static or fluidized beds.
Patent GB-743011-A (GB)
Title: Improvements in or relating to draw-off apparatus for use with containers for liquefiable gas
IPC: F17C7/00
Filed: 1953-04-15
Abstract: 743,011. Storing gases under pressure. ARNOLDS (BRANBRIDGES), Ltd., and HOLLINGUM, E. J. July 8, 1954 [April 15, 1953], No. 10368/53. Class 8(2).  A liquefied gas container A of regular shape has connected to its outlet valve B a tube C projecting into the container and having an inlet aperture e.g., the open end thereof located at the centre of the container whereby irrespective of the orientation of the container, gas and not liquid is discharged; it being assumed that the liquid content of the container is not greater than the statutory 44 per cent of the total capacity thereof.
Patent GB-145915-A (GB)
Title: Improvements in spindles for spinning and doubling frames
IPC: D01H7/20
Filed: 1919-04-26
Abstract: 145,915. Rushton, J. L. April 26, 1919. Channels in vertical shaft bearings.-A self-lubricating spindle for spinning or doubling frames comprises a tapered spindle a' fitting closely and continuously in a pillar h formed with an opening h<2> near its lower end and a grooved enlargement h* at its upper end. Oil from a cup g enters the opening h<2>, rises in the pillar h, overflows and returns to the cup through grooves h<3> and the annular space between the pillar h and bolster c. A continuous circulation of oil is maintained whilst the spindle is running. The cup g is screwed either on to the bolster c or nut f, and a ring makes an oil-tight joint.
Patent GB-904961-A (GB)
Title: Egg collecting means in poultry batteries
IPC: A01K31/16
Filed: 1960-03-24
Abstract: 904,961. Poultry batteries. SHEPHERD & SONS Ltd., JOHN, and SHEPHERD, R. B. June 26, 1961 [March 24, 1960], No. 10430/60. Class 5(2). Egg-collecting means for use in poultry batteries comprises a pusher device 21 secured to a trolley 18 travelling lengthwise of the battery, the device 21 travelling over the egg-retaining portion 14a of the cages to displace eggs through openings 20 formed in the eggretaining portions into a tray 22 also carried by the trolley. The trolley 18 may carry hoppers 19 which supply food to troughs 17 fixed to the cages, the device 21 then being fixed to the top of the hopper, or the device 21 and tray 22 may be attached to a cafeteria system for supplying food to the hens. Where the battery embodies travelling scrapers for removing droppings from beneath the cages the devices 21 and tray 22 may be carried by a trolley driven from the transmission driving the scrapers.
Patent GB-1272524-A (GB)
Title: Improvements in or relating to hardenable resin cartridges
IPC: F16B13/14
Filed: 1970-03-04
Abstract: 1,272,524. Tie-bolt cartridge. BERGWERKSVERBAND G.m.b.H. 4 March, 1970 [8 Jan., 1970], No. 10456/70. Heading F2H. A cartridge for use in anchoring tie members in boreholes comprises a plastics tube containing a hardenable resin with which is associated a glass tube containing a hardener for the resin. The glass tube may be inserted in the filler and resin in the plastics tube. The plastics tube may be formed of polyamide with a wall thickness of 0À05 mm. or more and the glass tube may have a thickness of 0À5 mm. or more. In use, one or more cartridges are inserted into the borehole, the tie member is then inserted to break open the cartridges and thus mix the contents.
Patent GB-874668-A (GB)
Title: Improvements in or relating to magnetic transducer mounting means
Inventor: COX RICHARD DUNSTAN
Filed: 1959-03-26
Abstract: 874,668. Magnetic record apparatus. INTERNATIONAL COMPUTERS & TABULATORS Ltd. March 10, 1960 [March 26, 1959], No. 10552/59. Class 40 (2). In a magnetic signal transducing apparatus wherein accurate spacing between the record head and the record medium is required, fine adjustment means between a mounting member 1 and a head unit 2 comprises a differential screw 11 having threaded parts 10, 12 of different pitches engaging the member 1 and head unit 2, respectively. Similar means may be provided for effecting adjustment in a plane parallel to the record surface to allow accurate alignment to be effected with a pre-recorded track. After adjustment the head unit 2 is frictionally secured in position by the tightening of a set screw 7 which acts on a nylon pellet 6 pressing against the head unit 2.
Patent GB-106635-A (GB)
IPC: F02B1/00
Abstract: 106,635. Watson, H., Hay, J., and Jouques, L. A. April 6, 1916. Safety-valves; spindles.-A safety-valve g for use with apparatus for supplying engines with air at sea level pressure independently of the altitude at which they work is loaded and balanced by a cylinder m and piston of the same area as the valve and containing air at sea level density, and the spindle is fitted with an apparatus b to compensate for variation in the length of the valve spindle under varying temperature. Expansible chambers filled with air and springs may take the place of the cylindrical piston or the valve may be loaded by spring which is adjustable by hand to a pressure gauge. Reference has been directed by the Comptroller to Specifications 14695/15 and 126,728, [Class 7 (vi), Internal-combustion engines, Valves &c. for].
Patent GB-591677-A (GB)
Title: Improvements in the manufacture of metal portable lighters
IPC: F23Q2/34
Filed: 1945-04-27
Abstract: 591,677. Pocket lighters. METAL PRODUCTS (TREFOREST), Ltd., and GOLDSTEIN, B. April 27, 1945, No. 10673. [Class 75 (iii)] [Also in Group XXII] A pocket lighter comprises a body A consisting of a block of metal, such as brass, having cavities for volatile fuel and other adjuncts made as by drilling. The top of the body may be machined to provide a slot for a pivoted wick-cap having a shallow recess engaged by a spring-pressed pillar in a chamber B' to impose a light restraint on the opening and closing of the cap. An upstanding portion A' of the body may have an overhanging portion A' provided with a tapped hole for the friction wheel spindle, a spring-pressed flint being housed in a passage K, bored in the portion A'. A chamber B<2> may hold a small packet of flints, and the chambers B<1>, B<2> may be tapped to receive screw stoppers, the stopper of the chamber B<2> being integral with a small screwdriver. Reference has been directed by the Comptroller to Specification 577,342.