baber/WOPTO huggingface dataset:
Patent GB-499743-A (GB)
Title: Improvements in or relating to the dispensing of beer
IPC: B67D1/04
Filed: 1938-02-09
Abstract: 499,743. Dispensing beer. BOWNASS. K. A., and COLE, A. G. T. Feb. 9, 1938, No. 6048/37. [Class 116] [Also in Group XXVIII] In apparatus for dispensing two or more grades of beer, e.g. A, B, and C, the gas spaces of the casks of the same grade of beer arc interconnected, but the beer gas cannot pass to casks of another grade of beer. The beer is dispensed by its own gas pressure, assisted when necessary by air or other gas under pressure, or by a liquid pump. The pressure of a new cask is first utilized to discharge the contents of a partially empty cask. As shown, the casks discharge by pipes E to faucets L, and the gas spaces of the casks communicate by means of pipes D. Additional gas pressure is supplied by a compressor H<1>, which is set in operation automatically when required. The compressor supplies the pipes D through check valves H and reservoirs J. Each set of casks may be supplied by its own compressor, which may be arranged to draw gas from empty casks. Fig. 2 shows a gas reservoir in which the air pressure supplied through the valve H acts on the upper surface of a piston M<1>, while the beer gas from the pipe D acts on the lower surface of the piston. If the pressure of the beer gas fails, a valve M<4> in the piston is opened by contact with an adjustable stop M<6>, and permits compressed air to pass to the pipe D, while if the pressure of the beer gas rises unduly, a valve M<3> in the piston is opened by a stop M<5>, and the beer gas escapes through a valve J. In a modification, a rotary pump in the beer discharge pipe is operated if the gas pressure fails.
Patent GB-510558-A (GB)
Title: Improvements relating to polishing mechanism
IPC: B24B5/04
Filed: 1938-02-26
Abstract: 510,558. Polishing. ENFIELD CYCLE CO., Ltd., and GUISE, H. T. Feb. 26, 1938, No. 6115. [Class 60] Apparatus for polishing a cycle hub f, or similar article comprises a polishing-wheel a mounted on a frame b and driven by a motor a<1>, the base also having thereon an arm b<1> to which is pivoted, on a spindle c<1> a frame c supporting a felt &c. driving-wheel d. Pivoted to the frame c at e<4> is a frame e, carrying a chuck or holder e<1> for the hub f, which lies between the wheels a, d. The wheel d is driven from the polishing-wheel spindle a<2> by a belt a<3>, a gear box h and a belt i, and the frame c is moved normally towards the wheel a by a weight d<1>. Pivoted at c<3> on the frame c is a handle c<2>, which serves to move the wheel d into contact with the hub f to rotate this, and to move the hub against the polishing wheel, the handle c<2> also has a projection c<4> engaging between lugs on the arm b@ so that transverse movement of the handle moves the hub and the wheel d axially across the polishing-wheel. The frame e is normally urged away from the wheel d by a spring e<3>; a projection c' by its contact with an abutment b<3> limits the outwards movement of the frame c. Specification 366,468 is referred to.
Patent GB-194311-A (GB)
Title: Automatic regulating apparatus for the pressure fluid supply to shaking chute motors
IPC: B65G27/14
Filed: 1923-03-02
Abstract: 194,311. Klerner, H. March 2, 1922, [Convention date]. Void [Published under Sect. 91, of the Act]. Fluid-actuated gears; combined fluid-actuated and mechanical gears; tappet gears.-In a shaking-shoot motor, the fluid supply is stopped or continued when the shoot has a small or no load or is loaded respectively. Under small loads the falling shoot is first moved backward a certain distance, and is then stopped by the motor piston engaging a fluid-pressed valve 8 which is forced back to the end of the stroke when the shoot is loaded. Fluid is supplied to the rear of the cylinder through passages 9, 2 controlled by valves 8, 1. When the screw valve 16 is closed and the forward end of the valve 8 put to atmosphere through the bore of the valve 17, the valve 8 controls the cut-off. If the bore of the valve 17 is closed and the valve is opened to supply fluid to the front of the valve 8, cut-off does not take place until the cylinder exhaust port 18 is opened. When the valve 16 is open, the fluid works without expansion. The distributing-valve 1 is opened by compression, and closed by cylinder fluid on the piston 7 passing port 5. An auxiliary exhaust takes place through the passage 3 to an exhaust port 4. The valve 8 is actuated by an adjustable head 13 in the piston.
Patent GB-162860-A (GB)
Title: Improved means for opening sardine tins and like containers
IPC: B67B7/40
Filed: 1920-03-01
Abstract: 162,860. Westley, R. H. March 1, 1920. Opening by tearing. - A key for opening hermetically sealed sardine tins &c. consists of a stem 1 circular in cross-section and tapered from end to end with both ends axially slit, the slit at the larger end receiving a blade or plate forming or carried by a handle or grip. The blade or plate 3, Fig. 1, may be fixed in the key and have a hole 4 by which it may be suspended when not in use. In the form shown in Fig. 2, the blade 7 has a head 8 and is fixed in the axial bore of a detachable handle 6.
Patent GB-590221-A (GB)
Title: Improvements in or relating to glass building bricks or blocks and structures formedtherefrom
IPC: F24B1/183
Filed: 1945-03-13
Abstract: 590,221. Hot-water boilers. HASLAM, R. June 16, 1944, No. 11531. [Class 64 (i)] [Also in Group XI] A boiler at the back of a living-room open grate has a lower part 16 heated by direct contact with the hot fuel in the grate and an upper part 17 heated by hot gases which pass through the fuel, the boiler having cross-flues 8 just above the fuel level in the grate so that the hot gases pass both along the back of the upper part of the boiler and between the front of the boiler and a back plate 6 of the grate. The upper part 17 of the boiler may be of trapezium crosssection as shown, or may have its back wall parallel with its front wall. Specifications 229,797, [Class 64 (i)], and 590,220, [Group XI], are referred to.
Patent GB-974104-A (GB)
Title: Improvements in or relating to gaseous fluid filters
IPC: F02M35/022
Filed: 1960-02-23
Abstract: 974,104. Dust-laden air filters. SIMMS MOTOR UNITS Ltd., and W. FRIEDLANDER. Feb. 21, 1961 [Feb. 23, 1960], No. 6377/60. Heading B1T. The dust-laden air inlet passage 51, Fig. 2, of an inward-flow tubular filter element 43 is of curved form and has a plurality of curved guide members 47, Fig. 4, extending transversely of the filter axis and integral with the underside of the lower end plate 42 of the element whereby coarser particles are separated by centrifugal action. In operation air enters through a ring of apertures.49, Fig. 1, in the base 48 of a filter casing 11a, through the curved passages 51, into an annular channel 52 below the rim 46 of end plate 42 and thereafter radially inwardly through the pleated wall of element 43 which is of paper supported by an inner perforated cardboard tube 53 to which is connected a clean air outlet duct 13a.
Patent GB-787455-A (GB)
Title: Substituted pregnanes and process for their production
IPC: C07J75/00
Filed: 1955-03-07
Abstract: The invention comprises 3a -formyloxy-pregnan - 20 - one, 3a  - formyloxy - 21 - acetoxy - pregnan-20-one, a process for the preparation of 3a - or 3b  - formyloxy - pregnan - 20 - one by formylating 3a - or 3b -hydroxy-pregnan-20-one with formic acid, and a process for the preparation of 4-bromo-21-acetoxy-pregnane-3,20-dione by formylating 3a - or 3b -hydroxy-pregnan-20-one or a mixture thereof with formic acid to produce a 3a - or 3b -formyloxy-pregnan-20-one or a mixture thereof, treatment with lead tetraacetate to form a 3-formyloxy-21-acetoxy-pregnan-20-one, selectively liberating the hydroxy group in the 3-position by methanolysis in the presence of a strong inorganic acid, and oxidizing the resulting 3a - or 3b -hydroxy-21-acetoxy-pregnan-20-one or mixture thereof to form 21 - acetoxy - pregnane - 3,20 - dione, which is then brominated in the 4-position.  The methanolysis is preferably carried out at ambient temperature and in the presence of sulphuric acid.  The oxidation step may be carried out with N-bromo-succinimide in t-butanol.  The bromination step may be carried out with bromine in acetic acid or in dimethylformamide, or with an N-bromoimide, N-bromoamide or N-bromohydantoin in the presence of water and an oxidizable primary or secondary alcohol.  The examples are illustrative of the processes referred to above.  Specifications 760,362 and 787,395 are referred to.
Patent GB-879051-A (GB)
Title: Improvements in shaft furnaces
IPC: F22B21/34
Filed: 1960-02-25
Abstract: 879,051. Boiler furnaces. VORKAUF, H. Feb. 25, 1960 [April 28, 1959], No. 6691/60. Class 51 (1). [Also in Group XIII] A boiler furnace comprises two fuel shafts 1a, 1b bounded by cooled walls, the fuel moving downwardly under gravity and the combustion air flowing horizontally, a common secondary combustion chamber 11 between the shafts, and heat-exchange surfaces 15 arranged so that gases flow upwardly from the combustion chamber to the flue in vertical paths. The upper parts of the shafts 1a, 1b form fuel hoppers, which may have water-jacketed outer walls, Fig. 3, not shown, or water tube walls 2, 3. The tubes of the outer walls 2 continue downwardly to form vertical air inlet grates 5 and fuel-supporting grates 7. The tubes of the grates 5, 7 may be finned or flanged. The tubes of the inner hopper walls 3 run upwardly from a header 13, into which open the upper ends of finned tubes forming a gas outlet grate 10. Baffles 17 extend into the combustion chamber 11 from the headers 13, and tubes 15 extending across the space between the hopper walls 3 form vertical passages for the combustion gases to the flow outlet. The tubes 15 may run from one tube 3 to a tube 3 in the opposite wall, or may be bent to return to the same tube. The tubes 15 may be replaced by a boiler with vertical smoke flues.
Patent GB-215498-A (GB)
Title: Improvements in machinery for making wafer biscuits, cup wafers, biscuits and similar articles
IPC: A21B5/02
Filed: 1923-03-09
Abstract: 215,498. Bates, T. O. March 9, 1923. Waffle and like baking-apparatus.- In a wafer, biscuit or like making machine the air for supporting combustion of the gaseous fuel is preheated in tubes by the combustion products. The invention is described with reference to a machine of the type wherein an endless chain of baking-plates pass into the cooking spaces and are heated by burners 4, 5. The air-heating tubes 7, 9 are mounted in headers 6. 8 and are positioned above the upper and lower runs of the conveyer respectively. The air is supplied by a fan 10 through a pipe 11 to one of the headers 8, through the lower air heating tubes 9 and thence through a pipe 12 to the upper air-heating tubes 7. A pipe 13 conducts the, heated air to a pipe 14 having branches 15, leading to the air and gas mixers or injectors 16, 17 of the burners 5, 4 respectively. Gas under pressure is supplied from the main 18 connected with a distributing pipe 19 having branches 20 leading to the injectors. Dust filters may be provided in the air-inlet pipe.
Patent GB-621551-A (GB)
Title: Improvements in or relating to axial-flow compressors and turbines
IPC: F01D9/04
Filed: 1947-03-11
Abstract: 621,551. Axial-flow compressors and turbines. BILL, J. H., and MORLEY, F. W. W. March 11, 1947, No. 6816. Drawings to Specification. [Classes 110(i) and 110 (iii)] In an axial-flow compressor or turbine comprising an odd number of blades in each of a number of stages thereof and having the blades each formed with a root platform whereby the blades are mounted in circumferential assembly in the stator casing, the casing is divided into two parts along a plane which is slightly inclined to the axis of the casing such that, when the blades are located in the parts prior to interconnection thereof, the blade platform projection from one part and the platform gap in the other part are substantially eliminated. The subject-matter of this Specification is substantially the same as that described in Specification 621,547, but the claims differ.
Patent GB-1031043-A (GB)
Title: Improvements in or relating to semi-conductor devices
IPC: H01L21/00
Filed: 1963-02-20
Abstract: 1,031,043. Semi-conductor devices. DES ATELIERS DE SECHERON. S.A. Feb. 20, 1963 [Feb. 20, 1962], No. 6852/63. Heading H1K. In semi-conductor devices, at a junction between a layer of one conductivity type and a more highly doped layer of different conductivity type, the surface of the layer of lower conductivity is shaped so that this layer decreases in cross-sectional area in a direction away from the junction. This is to reduce the tangential electric field at the surface of the body. The surface of the layer of higher conductivity may also be shaped. Various forms which the surface of the layers may take are described. Reference is made to devices in which a layer of one conductivity type is sandwiched between two more highly conductive layers of the opposite or different conductivity type. The low conductivity layer is shaped so that its cross-sectional area initially decreases in the direction away from both junctions. This construction is used in the only complete embodiment-a silicon PvPN controlled-rectifier. Shaping may be effected by methods including jet etching, jet etching in which abrasive particles are included in the etchant, sand blasting, and grinding with emery wheels. The devices may be provided with protective coatings, especially over the layers of lower conductivity. Suitable materials include silicone laquers or silica. The Specification states that in some cases the semi-conductor body may be metallized or coated with graphite in regions of greatest tangential field intensity, i.e. at reverse biased junctions. Reference has been directed by the Comptroller to Specification 968,105.
Patent GB-144811-A (GB)
Title: Improvements in the manufacture of the bodies, frames and certain other parts of motor cars and other road vehicles
IPC: B62D29/04
Filed: 1919-03-20
Abstract: 144,811. Coir Tyre Co., and Rose, G. D. March 20, 1919. Panels and other parts of motor and other road vehicles are formed of coir fibre with or without other fibrous material combined with rubber or other adhesive. The coir fibres or yarn or strips or pieces of coir fabric impregnated with rubber &c. are placed in a mould, each layer of fibre alternating with a layer of adhesive material. The mass is compressed and vulcanized.
Patent GB-918317-A (GB)
Title: Composite catenary overhead contact wire systems
Inventor: KUMEZAWA IKURO
IPC: B60M1/234
Filed: 1961-02-24
Abstract: 918,317. Supporting cables. SPRING CO. Ltd., N. H. K. Feb. 24, 1961, No. 6940/61. Class 36. In a catenary support system for a trolley wire 3 the equivalent mass and spring constant of the system are distributed equally along the wire by replacing some at least of the plain hangers 4 by composite hangers 4<SP>1</SP> each of which comprise an appropriate mass, an appropriate spring, and a damping means. A hanger casing 11 (Fig. 6) is clamped to the messenger wire 2 and contains a movable mass 8 clamped to the trolley wire 3, and connected by a spring 9 with the top of the casing 11. The frictional resistance of a dished member 10 serves to damp out oscillations of the trolley wire, and may be replaced by a conventional dashpot.
Patent GB-126767-A (GB)
Title: Improvements in or relating to Self-filling Reservoir Pens.
Inventor: WOLSTENHOLME OLIVER SINCLAIR
IPC: B43K5/00
Filed: 1918-10-17
Abstract: 126,767. Wolstenholme, O. S. Oct. 17. 1918. Reservoir pens. - The nib-section c, Fig. 1, of a self-filling pen is formed to receive a ball L2 which, when the pen is held vertically, as when filling it, obturates the feed aperture, as shown at K, but will fall from its seating when the pen is held in writing position. The pen is constructed with an inner transparent tube A on which slides an outer tube B to effect the filling. A valve H is provided at the top end of the inner tube, and air holes are formed at G in the end portion of the outer tube. The air holes may be closed by the inner tube. The air holes may be closed by a sliding collar F. A stop J on the tube A limits the movement of the outer tube when the pen is being filled. The outer tube is screwed on to the inner tube at the completion of the filling operation until the end presses the valve H against its seating. In a modified construction, shown in Fig. 2, a stopper M fixed to the inner end of the outer tube replaces the valve H of the construction shown in Fig. 1.
Patent GB-390935-A (GB)
Title: Improvements in and relating to methods of driving super-chargers for internal combustion engines
IPC: F02B39/10
Filed: 1932-03-08
Abstract: 390,935. Pumps. BRITISH THOMSONHOUSTON CO., Ltd., Crown House, Aldwych, London, ORCHARD, H., 20, Claremont Road, Rugby, and YEATES, A. C., c/o Premier Gas Engine Co., Sandeacre, Derbyshire. March 8, 1932, No. 6951. [Class 7 (ii).] A charging fan is driven by an electric motor whose speed is controlled in accordance with the load on the engine. In the case of a directcurrent motor 2, resistances 4 in the shunt winding are cut in or out by a switch 5 worked from a current relay 6 in the supply circuit of a generator 1 driven by the engine. When a variable-speed alternating-current motor drives the fan, a torque motor relay is used to control the speed. The variation may be effected by a pyrometer in the engine exhaust pipe, or by a pressure gauge which is on the casing of a compresser driven by the engine.
Patent GB-697899-A (GB)
Title: Improvements in or relating to electrical apparatus for measuring a characteristic of a material
Inventor: HARE GEORGE H
IPC: G01N27/22
Filed: 1952-03-18
Abstract: 697,899. Resistance measurements ; determining physical qualities of materials. BECKMAN INSTRUMENTS, Inc. March 18, 1952, No. 6957/52. Class 37. Apparatus for measuring a characteristic of a material includes a resonant input circuit and an output circuit tunable to resonance therewith and coupled thereto, and voltage measuring means connected between the output circuit and a point of intermediate potential on the input circuit. In the circuit shown in Fig. 1 for the determination of solution concentrations an oscillator circuit 11 and a load circuit 12 are coupled by a variable condenser 23. The oscillator circuit 11 includes an oscillator 13 with a frequency output of 5 to 10 megacycles fed from a power supply 14. A capacitor 15 and inductor 16 from a parallel resonant circuit. The load circuit 12 includes a load 19, a variable capacitor 20, and an inductor 21 forming a parallel resonant circuit. A resistor 22 is shown, and may represent the resistance of the inductor 21. A valve voltmeter 30 is connected between the load circuit and a point 31 of intermediate voltage on the coil 16 of the oscillator circuit so as to measure the difference between the tapped fraction of the oscillator voltage and the voltage across the load circuit 12 when timed by the condenser 20. The load circuit 19 includes a beaker 35 containing the liquid to be investigated and provided with electrodes 36, 37. As shown in Fig. 2, the electrodes 36, 37 are plated on the exterior of the beaker 35, as by firing on, the electrode 36 being an annular band spaced above the bottom of the beaker and the electrode 37 being a spot on the bottom of the beaker. The electrodes 36, 37 may be of copper, silver, gold, or other conductors. The beaker 35 is placed on an insulated support 40 carrying a spring terminal 41 which engages the spot electrode 37. Mounted on a wall 42 is a terminal element 43 having two pairs of arms which embrace the beaker when it is placed on the support 40. The beaker 35 is pressed against the terminal 43 by a spring clamp 44 so that contact is made between the lower pair of arms and the electrode 36, which is thus earthed. The electrode 37 serves as the high voltage high-frequency electrode, so that the high-frequency field inside the beaker is confined to the lower zone of the liquid in the beaker. A temperature compensation circuit 60 comprises an inductor 61 coupled to the load coil 21 and in series with a capacitor 62 and a resistance 63, which may be the resistance of the inductor 61. The circuit 60 is tuned to the oscillator frequency and is critically coupled to the coil 21.
Patent GB-911088-A (GB)
Title: Improved control assembly, particularly for motor vehicles
IPC: G05G7/04
Filed: 1961-02-27
Abstract: 911,088. Clutch control; toggles. SCANIA-VABIS A.B. Feb. 27, 1961 [March 1, 1960], No. 7137/61. Classes 80 (2) and 80 (3). The disengaging movement of a motor vehicle clutch pedal 1 or other control lever, pivoted at 2, is initially opposed by a spring 10, but following passing of a dead centre position is assisted by the spring. One end 13 of a thrust link 11 pivots on an arm 12 on the clutch pedal 1, whilst the other end 15 is slotted to pivot and slide on a fixed pin 17 and is connected to the tension-spring 10, anchored at a fixed pin 20. During clutch disengagement the axis of the thrust link passes through a dead centre position between moment arms r 1  and r 2 . The link 11 is formed as an inverted channel to shield the spring.
Patent GB-855545-A (GB)
Title: A new or improved locking device for securing together hinged members
IPC: B23Q1/00
Filed: 1957-03-04
Abstract: 855,545. Grinding. ALLEMANN A.G., H. March 4, 1957 [March 2, 1956], No. 7141/57. Class 60. [Also in Group XXV] A locking device for securing together hinged members 1, 3 of an internal grinding appliance, is characterised by a clamping nut 5 which on its operation in conjunction with a locking member 7, automatically fastens the hinged members together as a result of a rotation of said nut, the nut consisting of two parts which are pressed under spring tension against thread flanks provided on the locking member. The members 1, 3 are locked together by the locking member 7 when it is rotated through a quarter of a turn. The member 7 passes through apertures in the members 1 and 3 and the rotation of the member 7 causes a locking bar 7<SP>1</SP> which extends radially from the member 7 to engage abutment surfaces formed in the aperture 9 in the member 3. When the locking bar 7<SP>1</SP> is engaged with the abutment surfaces the nut 5 can be further rotated to secure the locking member in position. The two parts of the nut 5 are prevented from relative rotation by a pin 8.