baber/WOPTO huggingface dataset:
Patent GB-459373-A (GB)
Title: Appliances for playing an improved game
IPC: A63F3/00
Filed: 1935-07-18
Abstract: 459,373. Board games. AULD, T. M., 64, Cambridge Road, East Twickenham, Middlesex. July 18, 1935, No. 20498. [Class 132 (ii)] A race game is played by moving pieces, for example, model cars or horses over divided tracks 1 ... 5 according to the throw of dice or the turning up of cards. There are at least three independent tracks, and preferably five, which start and finish parallel to one another and the outer tracks 1, 2 and 4, 5, merge together at 12, 45 to form common track portions over which only one competing piece may move at a time. The cards used may be an ordinary pack or a pack of fifty-two divided into silver, red, green, and blue suits, three cards of each suit being also marked to denote the special piece. If dice are used they may be marked with representations of the suits of an ordinary card pack. A "paddock" and a space marked " pool are provided, the latter to receive tokens used in the game. The tracks may be oval, rectangular or of horseshoe shape and are preferably divided into unequal numbers of divisions.
Patent GB-152823-A (GB)
Title: Improvements in buffers for railway and the like vehicles
IPC: B61G11/18
Filed: 1919-08-21
Abstract: 152,823. Glascodine, R. T. Aug. 21, 1919. Buffers. -The plungers e and casings c are made from plain cylindrical wrought metal tubes, the enlarged portion b of the casing being produced by swaging, pressing &c., and the head or flange d on the plunger is formed by pressing up the end. The buffer head p may be attached by means of a ring h of angle crosssection riveted in position, or secured by shrinking or expanding, as described in Specification 129,084. The buffer rod may be integral with the buffer head or formed separately and secured thereto, or it may terminate in a spherical head seated in an extension of the flange h, as described in Specification 11100/14.
Patent GB-1163679-A (GB)
Title: Multiplex Communication System.
IPC: G02F2/00
Filed: 1968-05-01
Abstract: 1,163,679. Photo-electric communication systems. INTERNATIONAL BUSINESS MACHINES CORP. May 1, 1968 [June 15, 1967], No.20623/68. Heading G1A. [Also in Divisions G2 and H1] A multiplex communication system comprises a transmitter including means for generating a plurality of identical trains of optical pulses, a shutter interposed in the path of each train for producing a train of data pulses in which the presence of a pulse represents one binary data value, and means for combining the trains of data pulses into a single beam carrying binary information in the form of interleaved optical pulses, and a receiver including means to divide the single beam into a plurality of identical beams and means for sampling the identical beams with an optical clock pulse to detect in each identical beam the pulses of a different one of the trains of data pulses. Light pulses from a mode locked laser 4 Fig. 1 are formed into N beams by an N-apertured plate 6. The beams fall upon Kerr or Pockels modulators 8, 8', 8" &c. which are open or closed in accordance with parallel binary data to be transmitted. Each laser pulse passing through the modulators is deflected by mirrors 10, 12 &c. and semi-transparent mirrors 10' 12' &c. to pass along a common path as a series of pulses separated by periods corresponding to the time taken to travel the distances 10, 10', 12, 12' &c. At the receiver, the transmitted pulse train PT is split into N identical pulse trains by a plate 6'. Pulses from a mode locked laser 24 are reflected into the pulse trains at 18, 20, 22 &c. with a polarization orthogonal thereto and detectors 26, 28, 30 &c. give an electrical pulse output when there is coincidence between a transmitted light pulse and a pulse from laser 24. The phase of laser 24 is adjusted until the output from a detector 26, which is designed to respond to synchronizing signals which have not been modulated, is maximized. Polarizers 32, 34 &c. prevent crosstalk between the pulse trains. Coincidence between the light pulses is detected by a GaAs crystal 50, Fig. 2 on to a polished face of which are incident at 45 degrees to the normal the transmitted pulses and the laser 24 pulses with polarizations respectively perpendicular to the crystal 001 direction when there is coincidence the reflected beam has a component of double frequency polarized in the plane of the polarization vectors of the incident pulses. This component is detected by a photo-multiplier 52 through a filter 54 and a polarizer.
Patent GB-466929-A (GB)
Title: Improvements in or relating to electric discharge tube circuit arrangements and electric discharge tubes for use therein
IPC: H01J43/02
Filed: 1936-07-25
Abstract: 466,929. Thermionic valves and valve circuits. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. July 25, 1936, No. 20678. Convention date, Oct. 4, 1935. [Classes 39 (i) and 40 (v)] An amplifying or superheterodyne circuit has a valve with an apertured anode, and, on the far side of the anode from the cathode, an electrode which is connected with a screening grid so as to be at the same potential, and has a surface emitting secondary electrons which pass to the anode ; the mutual conductance of the valve is thereby increased. The anode may be a wire, gauze or apertured plate. A regulating grid may be interposed between the secondary-emitting electrode and the anode. As shown, the local oscillator circuit 13 is connected between the secondary-emitting electrode 8 and the cathode 4, and the intermediate frequency circuit 14 is connected between the anode 7 and the cathode. The circuit 13 is coupled with a coil 15 connected with the regulating grid 11. In a modified circuit the coil 14 and grid 11 are omitted.
Patent GB-854375-A (GB)
Title: Improvements in or relating to signalling systems
IPC: H04Q1/453
Filed: 1959-06-17
Abstract: 854,375. Voice-frequency signalling. WESTERN ELECTRIC CO. Inc. June 17, 1959 [June 20, 1958], No. 20737/59. Class 40 (4). [Also in Group XL (c)] A V.F. signalling arrangement employs in combination two frequencies selected from different frequency bands A, B, and at the receiving end the bands are segregated and each is fed to a limiter which has the property of distinguishing the predominant frequency from the remainder of the band. As shown, four signalling frequencies are provided in each of bands A, B and one out of each band is selected by means of push-buttons 13 which also at 17 disconnect the speech circuit 11 from the transmission line 12. At the receiving end the signals are fed through a transistor emitterfollower 21 bridged by an impedance-matching resistor 22 to a pair of band-stop filters 23, 24 which eliminate the A and B bands respectively. The limiter 30 which receives the output of filler 23 comprises a PNP-type transistor amplifier 32 which produces a limiting effect by virtue of diodes 36 coupled through a transistor 43 acting as an impedance-transformer to a pair of transistors 44, 45 of PNP and NPN-type respectively. These operate in push-pull, each becoming saturated while the other is non-conducting, so that the output is a series of square pulses of which the mean fundamental frequency is that predominating in the input to the limiter. A similar limiter 31 receives the output of filter 24. The outputs of the limiters go via rheostats 49 to bandpass filters 47, 60 tuned to the individual signalling frequencies and thence to transistor amplifiers 54 of which the first stage 53 is biased to be non-conducting unless the input level exceeds a certain threshold value. The amplifiers 54 provide unidirectional current for operating relays 57, 62 which control signal lamps 64 or other devices each corresponding to a particular signal. In a modification, Fig. 5 (not shown), the possibility of interfering noise producing the effect of a valid signal is further reduced by the provision of an equalizer in front of the band-stop filters to enhance the energy level outside the signal bands. In this arrangement high-pass and low-pass filters may be used to separate the bands.
Patent GB-335643-A (GB)
Title: Method of, and apparatus for, the low temperature carbonisation of fuel
IPC: C10B7/10
Filed: 1929-07-05
Abstract: 335,643. Duffield, F. L. July 5, 1929. Coking processes.-In the low temperature carbonization of powdered fuel in a horizontal retort using steam as the carrying medium the retort is locally heated to a high temperature, and steam admitted tangentially to the heated surface. The heat in the distillates is recovered in generating the steam for use in the process. The powdered fuel, such as coal or liquids, is fed from a hopper 16 to a retort 10 in which it is blown by steam from jets 13 against surfaces 20 heated by burners 21 and in a circular path, spiral baffles 18 causing it to take a helical path through the retort. The residue is discharged through a rotary valve 47. The combustion products from the burners escape through an outlet flue 4. The fuel and distillates pass into intercommunicating gas chambers 25 by passages 26, and into deflectors 32 which direct the partly carbonized fuel back into the retort by passages 33, the distillates passing into the second and third gas chambers, in each of which the process is repeated, and the fuel returned by passages 34 and 35. The retort is divided into zones 40, 41, 42 of increasing temperature by bulkheads 2 having openings 3. The gases pass through an outlet 25<1> leading to a tubular heat exchanger and condenser where the condensates are withdrawn fractionally, and the heat of the issuing gases used to generate steam for use in the process. Other gases such as nitrogen, under pressure, may be used in the retort.
Patent GB-1039143-A (GB)
Title: Improvements in and relating to centrifugal casting
IPC: B22D13/02
Filed: 1963-05-24
Abstract: 1,039,143. Centrifugal casting. BLACKCLAWSON CO. May 24, 1963 [May 28, 1962], No. 20852/63. Heading B3F. [Also in Division F2] In a method of centrifugal casting a tubular member having internal flanges, there is provided a rotatable mould 15 (Figs. 1 and 2, not shown) with end plates 25 and 26 which carry expendable baffles 35, the baffles dividing the mould into three chambers 50, 51 and 52 which are interconnected by annular passages 55. Spacers 40 between each end plate and its respective baffle are provided with openings 43 to permit the entry of molten metal and venting of the mould. Molten metal poured into the rotating mould is deposited around the inside of the mould (Fig. 3, not shown) and then compressed air is admitted into the centre or pressure chamber 50 through pipe 60. The increase in pressure forces the metal through the annular passages into the outer or flange chambers 55, to form internally directed flanges (Fig. 4, not shown) thus completing the member. The baffles are formed from a heat-resisting material of a frangible nature to facilitate breaking up during the removal from the finished casting. Alternatively the baffles may be of a ceramic material and may be left in the finished casting. In another embodiment the molten metal is discharged directly into the centre chamber through one end of the mould, means are provided for closing the mould opening and when the chamber is pressurized the metal is displaced into the outer or flange chambers which have passages for connection to the atmosphere.
Patent GB-500192-A (GB)
Title: Improvements in or relating to captive flight devices
IPC: B64C31/06
Filed: 1937-07-28
Abstract: 500,192. Kite with rotor supporting system. CHUPP, C. B. July 28, 1937, No. 20919. Convention date, Aug. 1, 1936. [Class 4] A kite includes a body carrying fixed stabilizing-surfaces, a sustaining rotor and a towing member ; the rotor is constructed for automatic adjustment in the longitudinal vertical plane of the kite under the varying pull of the towing device due to varying velocity of air-flow. The frame of the device comprises a keel 4 and a mast 5, Figs. 2 and 3, stayed to the keel by a strut 7 and to a forward cross member 6 by divergent struts 8. The frame members may be aluminium tubes or of wood with aluminium joint fittings. Lateral stabilizing surfaces 14 set at a considerable dihedral angle and constituted by flat sheets of balsa wood are mounted at the extremities of member 6. The centres of pressure of these surfaces are always forward of the rotor thrust line. A tail plane 17 of similar construction is mounted at the end of keel 4 and is set at an angle which is negative with respect to the rotor disc at any adjusted position of the rotor. Vertical fins 19, 20 are secured to keel 4 and the mast 6, respectively. The total fin area is approximately equal to the tail plane area which is in turn equal to the total area of surfaces 14. The rotor comprises blades 21 of balsa wood with leading edges of stronger wood such as spruce which are secured to a hub 24 by coaxial flapping pivots which are at an acute angle to the blade axes to ensure pitch angle reduction with upward coning. The pivot elements comprise metal sockets in which the blade roots are secured by either or both dowels and gluing, the assembly being bound round with thread or wire 27. Rubber droop. stops are fitted. Hub 24 is mounted in ball bearings in a.non- rotative sleeve 30 secured to a stick 31 pivotally mounted in one of several holes 33 formed in an aluminium bracket 34 secured at 35, 35 to mast 5. The arrangement being such that the pivot is in front of the centre of gravity G. Pivotally mounted at the forward angle of bracket 34 is a stick 36 adapted to be connected to the kite string or towing cable. Stick 36 is braced by wires or cords 38 attached to the ends of pivot member 37. A stay cord 41 connects the lower end of the stick to the frame. Angular movement of the stick with relation to the frame produces is communicated to the tiltable rotor head by a link 44 which can be coupled to stick 31 at a selected point 46. The kite, if a toy, may be launched by a fishing rod, the line of which is connected to stick 36. Alternatively, the kite may carry a crew and be towed behind a vessel.
Patent GB-153135-A (GB)
Title: Improvements in lathes or turning machines particularly adapted for use in forming curved surfaces
IPC: B23B5/40
Filed: 1919-08-26
Abstract: 153,135. Tanner, W. S. Aug. 26, 1919. Lathes.-A lathe particularly suitable for forming lens-grinding tools is adapted to cut either convex, concave, or toric surfaces. Figs. 1 and 2 show the setting for cutting a concave surface. The upper bed 1 carries a slidable headstock 3 while a lower bed 2 supports a radius-post 7 and the saddle 4 having a cross-slide 5 and a revoluble tool-post 6, which is connected by an adjustable link 8 to the radius-post. The tool-post has a base 15 sliding in bevelled guides on a revoluble table 14, and its upper part has a tool clamp 21 and micrometer adjustment 22. The exact overhang of the cutting- tool is determined by a vernier device, Fig. 4, attached to the head of the tool-post. This distance added to the reading of a scale 29 on the link gives the radius of the tool being cut. The positions of the radiuspost and saddle are set by hand, but modifications are described having longitudinally-placed screws to effect these adjustments. The cut is made by transverse feed of the tool by means of a screw 11, and the headstock may be adjusted to put on cut instead of resetting the radiuspost. For cutting tools of small radius, the link may be dispensed with, the base 15 clamped to its table, and the tool-post rotated by means of an eccentrically-mounted worm 17. For cutting convex surfaces, the headstock is moved to the right-hand end of its bed and the radius-post to the left-hand end, or alternatively separate radiusposts may be provided for convex and concave work. For cutting toric surfaces, a cylindrical face is first formed and mounted in a headstock with its axis transverse to the bed. The superposed spherical surface is then turned as described. Modifications of spherical surfaces mav be cut by means of a guide or former preferably clamped to the bed 2 and bearing against a roller on the arm 8, the clamps 28 being left loose.
Patent GB-808003-A (GB)
Title: Mine car pushers
Inventor: GRADY GORDON
IPC: B66B17/20
Filed: 1956-07-06
Abstract: 808,003. Transferring vehicles to and from pit cages. BARKER & SON ENGINEERS Ltd., W. H. June 5, 1957 [July 6, 1956], No. 20969/56. Class 78 (4). The wheels i of a mine-car pusher f are so spaced that in the forward position of the pusher (illustrated) they straddle a traverser running on tracks b and from which the pusher has pushed a wagon d; this permits the traverser to be withdrawn before the pusher f is retracted. The pusher f is driven by a ram the cylinder k of which passes through the rear of the pusher frame and the piston rod of which is secured to the pusher head g of the pusher. Specification 740,824 is referred to.
Patent GB-596645-A (GB)
Title: Improvements in or relating to cartons or boxes made from cardboard or the like
IPC: B65D5/66
Filed: 1944-10-28
Abstract: 596,645. Boxes. SHAW, A. H. DOWNES-, and HURST, E. G. Oct. 28, 1944, No. 21058. [Class 18] A lid 38 of a cardboard box hingedly connected to a body 41 having an internal member 37 is held in a closed position by the engagement of locking elements 19 and 29, 30 provided on the lid 38 and internal member 37. The locking elements comprise tongues 29, 30 on the internal member 37 and a projector 19 on the lid 38. Alternatively the tongue may be provided on the lid and the projection on the internal member. The internal member 37 is made from a blank and consists of two side walls 20 and 21 and an interconnecting portion 22 and 23 which may be divided by a pleat 26 to form two compartments. The pleat may be dispensed with and the two tongues 29 and 30 replaced by a single tongue. The box is constructed from a blank 1, and the body is formed by folding the walls 2 and 3 about scored lines 33 and 34 and is held in position by securing the overlapping portions 4, 6 and 5, 7 together. The lid is similarly formed and the extended projection 19 is folded over and adhesively secured to the front wall 12. Specification 585,606 is referred to.
Patent GB-128126-A (GB)
Title: Improvements in or relating to Separators.
Inventor: JOHANSSON GUSTAF WILHELM
IPC: B04B1/00
Filed: 1918-12-17
Abstract: 128,126. Johansson, G. W. Dec. 17, 1918. Density separators; mixing-apparatus.-A separator for intermittent action with a comparatively large drum 6 without outlets for skim milk and cream is fitted with a detachable stirring device to enable the machine to be used as a mixing apparatus. A cream receiver 12 has a sleeve part 13 loosely enclosing the lower part of the drum. The receiver 12 floats on the milk while the machine is stationary, and during separation the surface of the milk occupies the surface BB and the cream enters the receiver. A cover 10 is provided.
Patent GB-1387800-A (GB)
Title: Stabilised unsaturated polyester resins
IPC: G03C1/00
Filed: 1973-05-03
Abstract: 1387800 Photocurable unsaturated polyester compositions AKZO NV 3 May 1973 [20 June 1972] 21098/73 Heading C3P Photocurable compositions comprising an ethylenically unsaturated polyester, a copolymerizable ethylenically unsaturated monomer and a benzoin compound, as photosensitizer, are stabilized against premature curing (gelation) by including therein a stabilizer compound of the formula  wherein A is methyl and B is H, or A and B together form a substituted or unsubstituted benzo group. The unsaturated polyester may be derived from a polyhydric alcohol such as ethylene glycol, propylene glycol or diethylene glycol; an unsaturated dicarboxylic acid such as maleic, fumaric or itaconic acid or an anhydride thereof; and optionally a saturated or aromatic acid such as malonic, adipic, sebacic, tartaric, phthalic, isophthalic or tetrachloro-phthalic acid or anhydride. Suitable comonomers include styrene, vinyl toluene, methyl methacrylate, diallyl phthalate, divinylbenzene, p-tbutylstyrene and vinyl acetate. Examples of the stabilizer compound are methyl-p-benzoquinone and naphthoquinone-1,4. The compositions may also include, as additional stabilizer, a quaternary ammonium salt and/or a salt of copper or iron. Other optional components include fillers and waxes, the latter being used to provide a barrier against the inhibiting action of atmospheric oxygen; useful fillers include calcium carbonate, silicate or sulphate, calcium magnesium carbonate or silicate, magnesium or aluminium silicate, silicon oxide and barium sulphate. The filler-containing compositions can be used as putties. The compositions are cured by exposure to sunlight or UV lamps.
Patent GB-1518161-A (GB)
Title: Gas-discharge electron gun
IPC: H01J17/06
Filed: 1975-05-19
Abstract: 1518161 Electron beam apparatus PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 19 May 1975 [27 May 1974] 21177/75 Heading H1D An electron gun of the glow discharge type includes a cathode with core and tubular portions 1 3 and a removable lining 5 extending over the inner wall of the tubular portion. The tubular portion reduces shortening due to sputtering and X-ray emission and essists in beam focusing. It is cooled by air flowing in helical passages 8 in number 7. The core 10 of Al, the tubular portion of Cu and the lining 5 is a CuSn mesh. The emitting surface of the cathode may be convex, concave or at an angle to the gun axis. The core and tubular portions may be separate or integral; the cathode may rotate.
Patent GB-404738-A (GB)
Title: Improvements in and relating to electric controlling devices
IPC: H02J3/46
Filed: 1932-07-27
Abstract: 404,738. Electric motor actuation of switches. INTERNATIONAL GENERAL ELECTRIC CO. Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitats-Ges. ; 2, Friedrich Karl-Ufer, Berlin.) July 27, 1932, No. 21230. Convention date, July 27, 1931. [Class 38 (v).] The load or other electrical characteristic of two or more machines is regulated by impulses transmitted to their control circuits during the period which intervenes between the engagement of contact members on one instrument and the engagement of two on another, the said members of each instrument consisting of an independent pointer 7 and one 4 measuring the characteristic to be regulated, the independent pointers being simultaneously driven over the scales of the instruments, of which one only is shown. On the engagement of pointers 7, 4, relays 13 are energized and impulses are transmitted to the regulating apparatus (not shown) whilst the pointers 7 are returned by springs 65. Relays 13 will be de-energized by the engagement of contacts 18 on a switch clock 16 which has a continuously rotating contact, but the engagement of contact 17 causes the engagement of clutches 23 to again drive pointers 7 at uniform speed by motors 20.
Patent GB-1124794-A (GB)
Title: Improvements in or relating to apparatus for teaching knowledge
IPC: G09B7/06
Filed: 1965-05-19
Abstract: 1,124,794. Educational appliances. G. B. STILLIT. 16 May, 1966 [19 May, 1965], No. 21250/65. Heading G5G. A teaching apparatus comprises in combination a printed sheet bearing a sequence of questions, a related group of a plurality of feasible answers arranged in spaced interrelation and a demarked area printed on the sheet adjacent to each answer, and electrically conducting means behind the sheet underlying only the demarked areas associated with the correct answers; and a manipulatable element including two pointed electrodes (for penetrating the demarked areas) held apart by a spacer which is small in comparison with the demarked areas, the electrodes being the normally open terminals of an energizing circuit containing an indicating device which is energized when the electrodes are applied to the demarked areas associated with the correct answers.