baber/WOPTO huggingface dataset:
Patent GB-314071-A (GB)
Title: Improvements in illuminating devices
IPC: G03B21/20
Filed: 1929-06-17
Abstract: 314,071. Zeiss, C., [Firm of], June 23, 1928, [Convention date]. Condensers.-A lens system for the approximate equal illumination of a slit-shaped field by means of a source of light extending perpendicularly to the path of. the imaging rays, comprises a cylindrical lens b and a spherical lens c, both of which are converging. The lenses are arranged so that the spherical lens c in itself, images the source of light a near the plane of the field, and the cylindrical lens b images the source of light in the entrance pupil of the spherical lens b, the axis of the cylinder being perpendicular to the longitudinal direction of the source of light. The dimensions are such that all ravs from the source of light passing through the entrance pupil of the spherical system also pass trough the cylindrical system.
Patent GB-381205-A (GB)
Title: Improved filter for fluids
IPC: B01D25/00
Filed: 1931-06-26
Abstract: 381,205. Filters. VOKES, C. G. and FRY, H. D., 95, Lower Richmond Road, Putney, London. June 26, 1931, No. 18567. [Class 46.] Filter elements are formed of Bowden sheathing or similar helically coiled metal ribbon, such that the edges of the turns abut and spring causes pressure between successive turns. Preferably a number of such elements are used in parallel and a substantial length is unsupported so that it is free to vibrate. Elements 9 are suspended in apertures in a plate 8 supported between a casing 7 and a header 1, these parts being held together by screwed tubes 4, 5 and a winged screw 6. Liquid enters through a passage 2 in the header and flowing through the tubes 4, 5, and apertures 12 is dispersed by a plate 13. It then filters into the elements 9, which are closed at the lower end, and is discharged through a space 11 and a passage 3. The lower ends of the elements may be spaced by means of an apertured plate 10.
Patent GB-256226-A (GB)
Title: Device for injecting fuel into internal combustion engines
IPC: F02M53/06
Filed: 1926-07-26
Abstract: 256,226. Soc. d'Installation de LumiÞre et de Force Electriques, (Assignees of Morton, A. A.). July 28, 1925, [Convention date]. Regulating delivery by by-passes and by accumulator connected to pump-barrel.-Fuel is supplied to the injection valve 19, Fig. 3, by a pump having a capacity larger than that of the fuel required for each injection through an accumulator comprising a cylinder 9, Fig. 2, containing a piston 10 supported by an adjustable spring 11. A by-pass valve 13 mounted in an extension of the piston and connected thereto by a lost-motion device is opened by movement of the piston at a predetermined pressure. The cam 23 is wedgeshaped and adjustable axially on its shaft to vary the duration of opening of the valve 19. The position of the roller 27 between the levers 26 and 22 is varied to control the lift of the valve 19, which may be of the form shown in Fig. 6. The fuel may be preheated by passing through a spiral passage in a liner (not shown) of the combustion chamber 21.
Patent GB-1220460-A (GB)
Title: Brake control device for vehicles braked by compressed air, particularly railway rolling stock
IPC: B60T8/17
Filed: 1968-04-19
Abstract: 1,220,460. Load compensated brake systems. WERKZEUGMASCHINENFABRIK OERLIKON BUHRLE & CO. 19 April, 1968 [25 April, 1967], No. 18748/68. Heading F2F. [Also in Division G1] A load compensated brake control device for rail vehicles braked by compressed air comprises a strain-gauge mounted on, e.g. the shackle-link or the suspension spring and connected in a self-balancing bridge circuit to control the brake-pressure-regulator. The strain-gauge may be resistive or inductive in a D.C. or A.C. bridge respectively.
Patent GB-1382507-A (GB)
Title: Vehicle braking system
IPC: B60T17/08
Filed: 1972-04-20
Abstract: 1382507 Spring-applied brakes BRITISH LEYLAND TRUCK & BUS DIVISION Ltd 6 April 1973 [20 April 1972] 18762/72 Heading F2F In a spring-applied, fluid-pressure-released vehicle brake actuator a piston 5 biased in the actuating direction by a spring 9 is connected to an hydraulic cylinder 2 in which is located a service brake piston 1 connected to an output rod 3. During normal service operation hydraulic fluid passes through an inlet 4 to move piston 1 to apply rod 3, piston 5 being held against the action of spring 9 by fluid passed through a port 8. For parking, fluid is exhausted via port 8 allowing spring 9 to move piston 5 and cylinder 2 rightwardly, a shoulder 2a on cylinder 2 engaging the piston 1 to move it, and hence rod 3, to apply the vehicle brake. If the service and parking brake are applid simultaneously rod 3 is moved rightwardly by a force equal to that applied by spring 9 or hydraulic fluid in cylinder 2 whichever is the greater.
Patent GB-1427929-A (GB)
Title: Drive transmission units
IPC: B60K17/28
Filed: 1972-04-24
Abstract: 1427929 Change-speed gear COUNTY COMMERCIAL CARS Ltd D R F TAPP D T WHITING and R HARRISON 19 April 1973 [24 April 1972] 18970/72 Heading F2D In a gear-box in which high and low ranges of ratios are selectable by clutching either of two gear-wheels 39, 12 to a main output shaft, an auxiliary clutch comprising a slidable sleeve 20 may be engaged with a splined boss 19 to drive an auxiliary output shaft 21 only when low range is selected, and high range cannot be selected when the auxiliary clutch is engaged. The boss 19 is driven from the low range wheel 12 by a compound gear train comprising a wheel 18 and a double wheel 16, 17. The auxiliary clutch is operated by a rod (not shown) with spring-loaded telescopic portions, connected to a crank 26, and a lever 31 is connected with the rod so that when the auxiliary clutch is engaged a member 34 slidable in a guide 36 is positioned by a cam 33 so that the main drive clutch sleeve 38 cannot be moved to engage the high-range wheel 39. Also, when the sleeve 38 is engaged with the wheel 39 the member 34 is prevented from moving upwardly so that engagement of the auxiliary clutch is prevented. The main shaft may drive the rear wheels of a tractor and the auxiliary shaft 21 the front wheels, or the auxiliary shaft may drive implements &c.
Patent GB-1044213-A (GB)
Title: Improvements in or relating to machines for operating along marginal portions of workpieces
IPC: A43D27/00
Filed: 1963-05-14
Abstract: 1,044,213. Reducing and roughing shoe soles. BRITISH UNITED SHOE MACHINERY CO. May 14, 1963, No. 18991/63. Heading B4B. A machine for reducing and roughing marginal portions of shoe soles comprises a solesupporting table 12, a rotary toothed cutter 18, a spring-urged pivotally-mounted toothed feed wheel 26 and edge guides 62, 64 carried by a platform 50 located in a recess in a central portion of the table 12, the platform being tiltable between a position, Fig. 6 (not shown), to produce a bevel on the periphery of the shank portion of a sole and a position, Fig. 7 (not shown), to produce a less steep bevel on the forepart portion of the sole by means of cylinders C1 C2, connected to a source of fluid pressure through a valve V1 controlled by a solenoid L1 in turn controlled by photoelectric cells P1, P2, P3, each of which is positioned so as to be covered by a portion of the sole at a predetermined time during the reducing operation, the cells operating through amplifiers and relays, Fig. 12 (not shown).
Patent GB-1093890-A (GB)
Title: Improvements in or relating to the automatic control of burning processes
IPC: G05D27/02
Filed: 1966-05-02
Abstract: 1,093,890. Automatic control of gas furnaces. A. BRECKA. May 2, 1966, No. 19129/66. Heading G3R. A specified electrical system automatically controls the pressure of gas supplied to a. furnace so as to maintain it at one or other of two values according to whether furnace temperature is above or below a predetermined temperature and thereby tend to maintain the predetermined furnace temperature. As described, deviations of the pressure of gas supplied to a furnace from a value selected by the setting of a member 11 on a rotary pressure responsive device 1 causes operation of one or other of two switches 9, 10 which control relays 4, 5 so that a servomotor 3 is run in the appropriate direction to restore the pressure to the selected value by adjustment of a gas supply valve 19 through gearing 18. When furnace temperature rises above a predetermined value, a pyrometer 20 causes operation of a changeover switch 12 so that, after a delay determined by a switch 13, servomotor 3 is operated to close valve 19 until gas pressure reaches and is maintained at a lower value determined by a member 15 operating a switch 14. When furnace temperature falls again, control by member 11 is automatically restored. Switches 7 and 8, operated by a member 6 coupled to valve 19, prevent further operation of servomotor 3 in the wrong sense when valve 19 is fully open or closed, and a warning light 16 is operated when the valve is fully open.
Patent GB-739995-A (GB)
Title: Improvements in travelling bag for sound recording and reproducing machines
IPC: A45C15/00
Filed: 1954-06-30
Abstract: 739,995. Bags. KUHLIK, J. M. June 30, 1954, No. 19169/54. Class 133. [Also in Group XXXVIII] A sound recording machine is supported inside a carrying bag, the microphone is mounted either behind the openings 29 of the lock 20, in the handle 21 or anywhere inside the bag or on the machine itself, suitable holes being provided to admit the sound waves. Printed under the authority of HER MAJESTY'S STATIONERY OFFICE by BEMROSE & SONS LTD., Derby.
Patent GB-495661-A (GB)
Title: Improvements in the manufacture and production of vat dyestuffs
IPC: C09B49/04
Filed: 1937-07-13
Abstract: Vat dyes are obtained by treating compounds prepared by the reaction of dihalogenbenzanthrones in the presence of sulphur or dihalogenbenzanthrones containing sulphur with 1 - aminoanthraquinones, with alkaline agents.  In examples: (1) 6.Bz.1-dibrombenzanthrone is heated in naphthalene with sulphur, 1-aminoanthraquinone, copper oxide, and soda and the product heated with caustic potash and methyl alcohol (dark blue shades on vegetable fibres); (2) benzanthrone is brominated in chlorsulphonic acid in presence of sulphur, followed by heating of the product in naphthalene with 1-aminoanthraquinone, copper oxide and soda, and fusion with methyl-alcoholic potash to give a product similar to that obtained under (1).  Initial materials with a higher sulphur content yield more bluish dyes, and those with lower sulphur content more yellowish Specification 337,741, [Class 2 (iii), is referred to.
Patent GB-299093-A (GB)
Title: Improvements in and relating to open grates for burning coke
IPC: F24B1/193
Filed: 1927-07-22
Abstract: 299,093. Owens, J. S. July 22, 1927. Open fireplaces; grates; ashpans; lighting fires. - A selfcontained down-draught open fireplace for burning coke comprises a casing, open at the front and top, and containing an inclined grate, an outlet flue 6 the lower end of which is below the lower level of the fuel, and a draught-regulating ashpan 19. The grate shown comprises an inclined set of firebars 25, an horizontal set 26, and an inclined deadplate 13. The bars may be encased in fire-resisting material, or have blocks of such material strung on them. The removable front bars 17 are inclined to discharge inwardly any ash or fuel resting on them, and are formed with reduced ends engaging the vertical parts of T-shaped recesses 18 in the side plates. The flue 6 is formed between the back of the casing and a plate 5 extending across the casing. The ashpan 19 is of a height substantially equal to that of the lower end of the plate 5 above the bottom plate 4, and has a rearwardly inclined wall 20 normally extending beneath the flue 6; movement in or out of the ashpan thus regulates the draught up the flue. The front of the ashpan projects above the deadplate and is formed with an outwardly-inclined part 21<a> within which is located a gas-burner 22 for lighting the fire.
Patent GB-887498-A (GB)
Title: Improvements relating to sliding window or other panel assemblies
Inventor: LAIT ARTHUR EDWARD
IPC: B60J10/04
Filed: 1958-06-19
Abstract: 887,498. Sliding windows. LANE Ltd., PERCY. April 17, 1959 [June 19, 1958], No. 19577/58. Class 20(3) In a vehicle window each sliding panel 25 has peripherally projecting parts 31 of hard felt or nylon &c. for slidable mounting in the guide channels 13, 14 at least one of which has in a side wall, open slots 36 spaced in correspondence with the spacing of parts 31 for lateral movement of the panel 25, the slots having closure spring clips 38 to prevent withdrawal of the parts 31, the clips being treated by pips or indentations.
Patent GB-807464-A (GB)
Title: Improvements in and relating to liquid fuel fired furnaces
Inventor: HUBBARD WALTER AUSTIN
IPC: F16K31/06
Filed: 1955-07-06
Abstract: 807,464. Controlling burners. HUBBARD COMBUSTION Ltd. June 12, 1956 [July 6, 1955], No. 19592/55. Class 75(1) [Also in Group XXIX] A liquid fuel burner-supply system has a three way valve 12, Fig. 2 receiving fuel from a supply main via. e.g. inlet 39, Fig. 1, regulating valve 41 actuated by a motor 36 controlled by a boiler or furnace pressure switch or thermostat. stop valve 42 actuated by a solenoid 5 controlled by flame failure or boiler draught and passage 45, and passing it either to a burner at 46 or a return main at 47, and means ensuring that the valve is only in equilibrium when occupying one or other of its limiting positions in which it is open to the burner but not to the return main, or vice versa. The valve 12 is operated manually by a lever at 18 having an over-centre device. The system is provided with a convex surface 50 around the burner outlet 46 which is clamped at 8, 10 to the burner tube and a spring loaded ball valve closes the outlet when the system is unclamped from the burner.
Patent GB-615581-A (GB)
Title: Process of manufacturing silica gel
IPC: C01B33/154
Filed: 1946-07-01
Abstract: Silica gel is produced by impelling fine droplets of a silicate solution into an acid solution maintained in a condition of high turbulence.  The silicate solution may be added to the acid, which may be in excess of that required to neutralize the silicate, at a high rate at first and subsequently at a low rate.  The acid and silicate solutions, the concentrations of which may be high enough to result in a gel containing at least 15 per cent of silica, may be cooled to below room temperature before mixing.
Patent GB-402365-A (GB)
Title: Improvements in and relating to devices for stretching and pressing neckties
IPC: A47G25/76
Filed: 1933-07-11
Abstract: 402,365. Necktie stretchers. GULOWSKI, J., 72, Marszalkowska Street, Warsaw. July 11, 1933, No. 19653. [Class 141.] To stretch and smooth neckties a device is employed comprising a shaped form 1 for insertion in the necktie and a shaped cover 3 which is slipped over the necktie after insertion of the form 1. The cover is damped so that as it dries it contracts and presses the necktie. To press both ends of the necktie the form is slipped into the broad end the narrow end being then doubled back and the cover slipped over the whole. To facilitate placing the cover on the necktie after the insertion of the shaped form 1, a slit may be made in the wider end of the cover and provided with sliding- clasp or other fastener.
Patent GB-826203-A (GB)
Title: Improvements in and relating to crankcases and frame structures of opposed piston internal combustion engines
Inventor: SMITH JAMES MILLAR
IPC: F02F7/00
Filed: 1957-06-24
Abstract: 826,203. Frames; crankcases. ENGLISH ELECTRIC CO. Ltd. June 20, 1958 [June 24, 1957], No. 19768/57. Class 7(2) Upper and lower steel main-bearing blocks 1 of an opposed-piston two-stroke diesel engine are welded to square or rectangular cross-section tubes 2 welded, e.g. via cleats 22, to like tubes 4, the tubes 2, 4 being welded to steel sheet crankcase portions 5, 6.
Patent GB-288869-A (GB)
Title: Improvements relating to motor-driven slicing machines
IPC: B26D1/143
Filed: 1927-07-26
Abstract: 288,869. Maatschappij tot Vervaardiging van Snijmachines Volgens van Berkel's Patent en van Andere Werktuigen, and Berkel, C. F. M. van. July 26, 1927. Cutting slices in succession.-A slicing machine driven by an electric or other motor acting through a variable speed gear is provided with means for reversing the direction of rotation of the motor when the gear ratio is changed so as to maintain the rotation of the knife unidirectional. In the form shown in the Figure, the motor 15 is carried by a lever 16, 18 pivoted at 12<1> and is provided with a friction wheel 14 adapted to be moved into engagement with either of two friction surfaces 9, 13 formed on a wheel 7 gearing with a wheel 6 on the knife shaft 3. The arm 18 of the lever has an operating handle 19 provided with a catch 20 engaging a notched plate 22 and intermediate its length is coupled to the reversing switch 23. The motor may be slidably mounted in vertical guides so that the weight of the motor is used to press the wheel 14 against the friction surface. The motor may be fixed and the wheel 7 arranged on an oscillating member.
Patent GB-1418336-A (GB)
Title: Method and apparatus for producing pile fabric
IPC: D04H11/04
Filed: 1973-04-26
Abstract: 1418336 Pile fabrics C A M CAMPMAN 26 April 1973 [27 April 1972] 19926/73 Heading D1K Pile fabrics are produced by severing lengths of yarn from a supply, folding the lengths around slats 2, Fig. 1, on a drum 1, and feeding a backing sheet 24 around the drum, and attaching the looped yarn lengths to it. Yarn 8 from supply 7 is guided by a carrier 9 and is gripped by grippers 6, whose shaft moves transversely to its axis to pull out twice the pile height of yarn 8, (Fig. 2, not shown), which is then cut by cutters 12. Shaft 4 then rotates through 180 to bring severed yarn pieces 33 about a slat 32, and under a clamp 16 and legs 18, which are then lowered so that clamp 16 yarn holds on slat 32 and legs 18 push it down to either side. Clamp 16 and legs 18 are then raised and a member 21 holds the yarn loop 37 over the slat 32. In an alternative embodiment, a single member 41, Fig 7, is provided which simultaneously presses down the trailing end of the previous set of yarn pieces, and the loading end of the next set 39, between adjacent slats. Adhesive 31 may be applied to the backing before it is fed around the drum, and/ or to the fold zones of the pile loops. Alternatively, reactive components of an adhesive may be applied respectively to the backing and to the fold zones and caused to react with each other by the application of heat and/or pressure.
Patent GB-1130594-A (GB)
Title: A device for the welding of articles with a closed weld line
Inventor: KOCHANOVSKY NIKOLAI YAKOVLEVIC
IPC: B23K11/093
Filed: 1966-05-05
Abstract: 1,130,594. Arc welding. VSESOJUZNY NAUCHNO ISSLEDOVATELSKY INSTITUT ELEKTROSVAROCHNOGO OBORUDOVANIA. 5 May, 1966, No. 19930/66. Heading H5H. [Also in Division B3] Apparatus for welding articles with a closed line of weld in which an electric arc is struck between two portions 9, 10 to be welded together, comprises two spaced coils generating a radial magnetic field which moves the arc along the weld line, the coils being formed of dismountable radially separable sections 1, 5 and 2, 6 permitting the removal of the article from the apparatus. The sections are half round and corresponding sections 1, 2 and 5, 6 are interconnected by members 3, 4 and 7, 8 to form two circuits in which the magnetic fields produced by members 3, 7 and 4, 8 are equal and opposite. Pipes 9, 10 are clamped in jaws 11, 11<SP>1</SP> and 12, 12<SP>1</SP> which can be moved together on guides 13, 14. Alternatively, the ends of each section are joined together to form four separate circuits and the sections are incorporated in the jaws. Each coil may comprise more than two sections.
Patent GB-783328-A (GB)
Title: Automatically operating device for feeding and weighing out bulk materials
IPC: G01G13/00
Filed: 1955-07-11
Abstract: 783,328. Automatic feed weighers. HESSER MASCHINENFABRIK-AKT.- GES., F. July 11, 1955 [July 31, 1954], No. 19978/55. Class 143 [Also in Group XXX] Fluent bulk material in pieces (e.g. sweetmeats) is fed to a weigh pan 18 from a hopper 4 by an endless conveyer 3 provided with a rotary device 6 which spreads the pieces into a single layer, a vibrating shoot 10, and a pair of side-by-side vibrating shoots 15, 16 which convey the pieces in single file and which are located above a further vibratary shoot 17 which collects excess pieces failing to lodge on shoots 15, 16 and delivers them either to the pan 18 or to the hopper 4. The weigh beam 41 is provided. with an arm 42 co-operating with contacts carried by a bridge 44 and a pair of beam accelerating beams 47, 48 arranged at right angles to one another. In operation movement of the beam to a position of equilibrium operates these contacts to cause relays A C and E (Fig. 6, not shown) to stop first shoot 17, then shoot 15 and finally shoots 10 and 16. Relay E then prepares a circuit which allows the pan discharging mechanism 40 to be operated by manual closing of a switch. The discharged material is carried to a packing machine on a conveyer 53. A mercury switch 12 on a pivoted flap 11. stops conveyer 3 in the event of an excess of material collecting in the shoot 10. In a modification (not shown), two or more of these weighing units are combined to produce an increased output.
Patent GB-767665-A (GB)
Title: Improvements in and relating to heat exchangers
IPC: F28D19/04
Filed: 1954-07-08
Abstract: 767,665. Grinding. BRANDT, H. July 8, 1954 [July 8, 1953; Oct. 26, 1953], No. 20027/54. Class 60. [Also in Group XIII] The edges of a mass of heat transfer plates carried in a cylindrical casing 15 of a thermal regenerator (see Group XIII) are levelled on assembly by grinding. The grinding unit, which is detachable after the grinding operation, comprises an airdriven motor 84 carrying a grinding wheel and is manually or otherwise adjustable by means of a screw 86 along an arm extending radially from and secured to a shaft 26 at the axis of the casing, the shaft 26 being rotatable so that the arm sweeps over the whole of the end of the casing. The outer end of the arm is supported on rollers.
Patent GB-1002119-A (GB)
Title: Improvements in injection-moulding articles of footwear of synthetic plastics materials
IPC: B29D35/08
Filed: 1964-05-14
Abstract: 1,002,119. Injection moulding footwear. DESMAWERKE G.m.b.H. May 14, 1964 [May 15, 1963], No. 20036/64. Heading B5A. Footwear made of synthetic plastics material is injection moulded in two stages; firstly the upper 11, a thin insole 12 and a heel core 13, and then, after cooling and shrinking of these parts, a main sole 15 and heel cover 16. The parts 11, 12, 13 may be of a different material or colour from the parts 15, 16.
Patent GB-184679-A (GB)
Title: Improvements in foot brakes for use on motor vehicles
IPC: F16D65/46
Filed: 1921-07-26
Abstract: 184,679. Daimler Co., Ltd., and Henson, G. H. July 26, 1921. Controlling-apparatus, arrangements of foot and transmission gear in conjunction with.-A pedaloperated brake is provided with an adjusting- device which projects underneath the bonnet. As shown, the connecting-rod F is fitted with a screwed sleeve G having a handle L and passing through a swivelling block H on the pedal A. A collar G<2> bears against the block H, a spring- pressed washer J being provided on the other side.
Patent GB-540010-A (GB)
Title: Traction chains for pneumatic tyres
IPC: B60C27/12
Filed: 1939-07-10
Abstract: 540,010. Wheel tyres. RITSCHER, K. July 10, 1939. No. 20044. [Class 144 (ii)] A tread band for pneumatic tyres comprises a series of shoes each formed by end pieces 3 engaging the side-walls of the tyre with V-shaped projections 2 extending radially beyond the tyre tread, and transverse connecting bars 1 which readily permit the tyre to expand into ground contact between the shoes. The latter are connected around the tyre by side chains 11 to which tension devices such as springs 9 may be fitted.