baber/WOPTO huggingface dataset:
Patent GB-1473365-A (GB)
Title: Over-current protective circuit arrangements
IPC: A61B5/308
Filed: 1974-08-07
Abstract: 1473365 Protective circuits FRITZ SCHWARZER GmbH 7 Aug 1974 [8 Aug 1973] 34820/74 Heading H2K An overcurrent protective circuit comprises a sensor 2 sensing current flowing between electromedical patient maintaining equipment and electrodes on a patient, means 5 converting this current to a direct voltage, a comparator 6 which generates a signal when this direct voltage exceeds a reference voltage and actuates a switch 3 via a trigger 7 to interrupt the circuit between the patient and the monitoring equipment. The sensor is a resistor, the means 5 converting the current to direct voltage comprises a filter and full-wave rectifier, and the comparator may be a differential amplifier. To prevent dangerous current flowing due to coupling with external circuits the protective circuit is powered by a battery 8. Further protection can be provided against excess or unbalanced currents in the battery leads by inserting sensors in these leads too, Fig. 2, not shown. An alarm circuit may be connected to the comparator 6 to indicate that a fault has occurred, Fig. 3, not shown, there being a further sensor or opto-electrical isolator in the alarm lead. A test circuit may be incorporated with the protective circuit so that correct working of the protective circuit can be checked, Fig. 4, not shown. In connection with this test circuit, the switch in the protective circuit may be a changeover switch which in the case where the sensor detects an overcurrent applies a calibration voltage to the electromedical monitoring equipment, Fig. 5, not shown. The switch in all embodiments may be arranged to reclose after a predetermined period of time, but will immediately reopen if the overcurrent is again sensed.
Patent GB-784415-A (GB)
Title: Improved power transmission coupling
IPC: F16D47/06
Filed: 1954-12-03
Abstract: 784,415. Clutches. HINDMARCH, T. Nov. 30, 1955 [Dec. 3, 1954], No. 35098/54. Class 80(2). A fluid-pressure operated friction clutch B is arranged in parallel with an hydraulic coupling A, both of which are engageable and disengageable separately or together as desired. The clutch B is of the type. having a pair of V- grooved discs 7 axially slidable to engage with correspondingly grooved outer members 4 and actuated by fluid-pressure through channels 10, 12 in one shaft 6. The coupling A is supplied with fluid through channel 8 in shaft 4 and controlled by an emptying ring 9. Specification 695,987 is referred to.
Patent GB-1027134-A (GB)
Title: Preparation of naphthalene-dibenzimidazole vat dyestuffs
IPC: C09B57/12
Filed: 1964-08-27
Abstract: Naphthalene-dibenzimidazole vat dyes are prepared by reacting 1,4,5,8-naphthalenetetracarboxylic acid with a mixture of o-phenylenediamine and 4-ethoxy-o-phenylenediamine.  The reaction may be effected in an inert solvent, e.g. in pyridine or acetic acid under reflux at 130-180 DEG  C. or in water under pressure at 150-155 DEG  C.  Examples are given.
Patent GB-1347446-A (GB)
Title: Apparatus for sensing variation in magnetic fields
IPC: G01R33/06
Filed: 1972-07-28
Abstract: 1347446 Selective signalling SANDCO Ltd 28 July 1972 [28 July 1972] 35432/72 Heading G4H [Also in Division G1] A package 15 on a steel conveyer belt is deflected to a particular one of several possible receiving stations selected by operating a particular one of magnetizers 14a, 14b, 14c and detecting the resulting magnetized spot, e.g. 20, by an appropriately positioned magnetometer (see Division G1) 21a, 21b (or 21c). Demagnetizers 23a, 23b, 23c are provided upstream of the magnetizers. The magnetizers are controlled from a switchboard 17 and operated when the package interrupts a photo-electric link 26, 27.
Patent GB-1510793-A (GB)
Title: Servo-mechanism
IPC: F02C9/20
Filed: 1975-07-15
Abstract: 1510793 Fluid-pressure servomotor systems LUCAS INDUSTRIES Ltd 15 July 1975 [14 Aug 1974] 35695/74 Heading G3P [Also in Division F1] A double-acting actuator 10 is controlled by a relay valve 28 in turn controlled by a pair of pilot valves 31, 37 responding to the ratio between two pressure input signals P 2 , P 3 . A lever 25 connects the pilot valves to a pair of diaphragms 21, 22 and an evacuated bellows 24, the pressure P 2  being applied to the outwardly facing areas of the diaphragms while the space between the diaphragms is subjected to a pressure P 3 x obtained through a restrictor 18 from P 3  and through a valve 19 from P 2 . Helical grooves 14 in the actuator 10 rotate the valve 19 after a change in the input ratio has occurred to restore equilibrium in the apparatus. The pressures P 2 , P 3  may be the intermediate and final pressures of a gas turbine compressor and the actuator may be coupled to the stator blades to maintain optimum air-flow.
Patent GB-1509907-A (GB)
Title: Electro-magnetic actuating devices
IPC: H01F7/14
Filed: 1974-08-14
Abstract: 1509907 Electromagnets LUCAS INDUSTRIES Ltd 25 June 1975 [14 Aug 1974] 35696/74 Heading H1P An actuating electromagnet has a central magnetizable polepiece 10 flanged at 11 to support a wound insulant former 12; with a cylindrical magnetizable member 14 surrounding the winding and engaging flange 11. Magnetizable armature 15 is pivoted on lever 16 in turn pivoted about spindle 17 and biased by spring 18 against abutment 19. Polepiece 10 is formed from aligned cylindrical tubes 20, 21 of nickel iron alloy, and a soft iron bush 22 of less cross-sectional area engages recesses in adjacent faces of 20, 21 to maintain them in position; the end of tube 21 adjacent bush 22 being relieved into a frusto-conical surface so as to define a waist in the polepiece. After the waist is saturated further magnetization causes progressive flux leakage across the spacing between tubes 20, 21 and an effective increase in polepiece cross-section, accompanied by an increasing reluctance of the magnetic circuit due to the wider gap crossed by the flux. The effect is to produce a more linear force/distance operating characteristic and a reduced sensitivity of the saturation flux to increasing temperature.
Patent GB-801939-A (GB)
Title: A method of casting moulded bodies of concrete mixes or other setting masses
IPC: B28B7/24
Filed: 1955-12-14
Abstract: 801,939. Moulding concrete slabs &c. JANHUNEN, M. A. Dec. 14, 1955 [May 25, 1955], No. 35869/55. Class 87(2). [Also in Group X] In the casting of building slabs of concrete or other mouldable material the casting material is filled into and allowed to set in the space or spaces between moulding plates 3, each formed with a single longitudinal channel of width extending across the major part of the width of the plate, and upstanding from a horizontal table 1. The top plate 2 of the table 1 may be heated electrically. Steel wires 4 with bent ends 5, tensioned horizontal steel wires 7, and upwardly extending steel wires (not shown) are arranged in the moulding spaces before the concrete or other material is poured in, and after pouring the down turned ends of steel wires 4<SP>1</SP> are inserted. The plates 3 may be of steel or other metal, synthetic resin, or wood, and dividing plates 6 may be provided to enable a number of slabs to be moulded between each pair of plates 3.
Patent GB-1302668-A (GB)
IPC: A44C5/14
Filed: 1971-07-30
Abstract: 1302668 Watch bracelet SUWA SEIKOSHA KK 30 July 1971 [31 July 1970] 35945/71 Heading A3H [Also in Division E2] In a wrist watch, Fig. 2, the ends of the band 17 are attached to spring rods supported by lugs on the watch body 16 and the lugs and the connections thereto are concealed by a member 20. In one embodiment, Fig. 3 (underneath view), each spring rod 31 is carried between two lugs which are concealed by the upper surface 23 of the member 20, Fig. 4. The U-shaped ends 22 of member 20 fit around the lugs, the portions 30 hook around the spring rod and the cut-away 34 permits the end link 35 of the band to engage the spring rod. In the other embodiment, Fig. 8 (underneath view) each spring rod passes through a single lug 38 on the watch body which is concealed by a member 39. The spring rod extends into the ends of the member 39 and is engaged by links 40 of the band.
Patent GB-842106-A (GB)
Title: Improvements relating to ingots of killed steel or other metal to be hot rolled
IPC: B22D7/00
Filed: 1956-11-26
Abstract: 842,106. Making ingots. UDDEHOLMS A.B. Nov. 26, 1956 [Dec. 1, 1955], No. 36077/56. Classes 83 (1) and 83 (2). An ingot to be hot-rolled is cast in a mould having a hot-top above a bevelled portion 2 making an angle of 20-55 degrees with the axis of the ingot, the ratio of the cross-sectional areas, at the top and bottom of the bevelled portion, being between 25: 100 and 64: 100. The bevel may be of any shape and may be on one side only of the ingot. The bevel may be formed in the mould by a collapsible template, as described in Specification 778,039.
Patent GB-755917-A (GB)
Title: Improvements in liquid measuring devices
IPC: G01F11/32
Filed: 1954-12-14
Abstract: 755,917. Dispensing measured quantities of liquid. BONNAUD, H. M., and HERAPATH, C. J. Jan. 17. 1955 [Dec. 14, 1954], No. 36079/54. Class 106(5) A device for dispensing measured quantities of liquid from a bottle h comprises a vertically slidable tubular plunger j which may be raised against the resistance of a spring k to enable a measured quantity of liquid to discharge from a chamber a through ports r, the passage through the plunger and the passage c from the bottle to the chamber being divided by blades g and g<SP>1</SP> respectively, to prevent air locks. The plunger carries a head m to control the inlet and outlet openings and is operated by a trarsverse member s provided with a drip cup t. A resilient sleeve d and a ring clip W connected by a post v to an arm u secure the device to the bottle.
Patent GB-949872-A (GB)
Title: Ring for a loose leaf book or binder
IPC: B42F3/04
Filed: 1961-10-09
Abstract: 949,872. Loose-leaf binders. N. T. DE ALMEIDA. Oct. 9, 1961, No. 36140/61. Heading B6E. Rings for a loose-leaf binder each comprise an outer part-cylindrical member 1 having a projection 3 on its internal surface, and an inner part-cylindrical member 2 which has a projection 4 on its external surface and which fits into the outer member with the projection of each member bridging the space between the ends of the other member to form a smooth uninterrupted ring. The two members 1, 2 are engaged as shown in Fig. 4, to form the ring. Endwise relative movement between the two members can be prevented by the provision of side projections on the member 1; or the member 1 has a circumferential rib 6 which engages a corresponding groove 7 in the member 2; or several small projections on one member may engage grooves in the other.
Patent GB-1033128-A (GB)
Title: Improvements in or relating to aerosol dispensers
IPC: A61M31/00
Filed: 1964-09-03
Abstract: 1,033,128. Dispensing liquids by gaseous pressure. P. MESHBERG. Sept. 3, 1964 [Sept. 3, 1963], No. 36149/64. Heading F1R. An aerosol dispenser has a delivery nozzle 11, e.g. of plastics, paper or cardboard, removably mounted on the operating button 10 and rotatable to deliver in a desired direction. A stop member 23 may be attached to, or formed integrally with, nozzle 11 to prevent accidental depression of button 10.
Patent GB-988866-A (GB)
Title: Motor vehicle signalling-apparatus
IPC: B60Q1/50
Filed: 1961-10-09
Abstract: 988,866. Motor-vehicle signalling apparatus. J. MELKONIAN. Oct. 9, 1961 [Feb. 18, 1960], No. 36154/61. Heading G4Q. Motor-vehicle signalling apparatus comprises signalling means (Fig. 1) mountable on the rear of a motor vehicle and signalling means (Fig. 2) mountable on the front of the motor vehicle, the first said signalling means including four substantially triangular-configurated areas 1.. 4 separated from one another by light-reflecting areas 5 forming a St. Andrew's Cross and the second said signalling means including two substantially triangular-configurated areas 6, 7 separated from one another by light-reflecting areas 8, 9. The triangular-configurated areas in both signalling means are each constituted by a piece of translucent or transparent material and illuminated by a selectively operable lamp (not shown) housed in a casing adjacent the area. Area 1 provides a braking signal whereas area 3 provides a "tail light", both being coloured red. Areas 2, 6 provide direction signals and are coloured yellow or orange, and yellow or white, respectively. Areas 4,7 provide "over-taking" signals and are coloured green, the lamps illuminating these areas being arranged to operate in synchronism with one another.
Patent GB-171917-A (GB)
Title: A new or improved instrument for ascertaining the correct course of nautical and aeronautical vessels
IPC: G01C21/20
Filed: 1920-12-29
Abstract: 171,917. Carey, R. E. Dec. 29, 1920. Courses, determining. - Relates to an instrument for ascertaining the correct course of ships by taking at equal intervals three compass bearings of a distant object; the instrument may also be used by a stationery observer to determine the course of uniformly-moving vessels. The instrument, upon which the bearings taken are set for calculating the course, comprises a base a having a rotatable rim b divided like a compass card. An arrow-head A upon the base is set to the second compass bearing and the respective differences between this bearing and the other two are set by arms w, x pivoted upon a quadrant r, which is provided with a scale for setting the arms and is mounted upon guideways so as to be capable of sliding along the diameter of the base passing through the arrow A. A pivoted pointer c, f is set to indicate on the rim b the required course by sliding the quadrant r upon the base a until the arms w, x come into contact with a centrallydisposed vertical plate k mounted on the disc g. carrying the pointer e, f. An arrow-head B is. used in the case of a stationary observer for setting the second bearing.
Patent GB-509125-A (GB)
Title: Improvements relating to asbestos-cement and like sheet-like products
IPC: C04B41/50
Filed: 1938-12-14
Abstract: 509,125. Colouring asbestos-cement and like products. TURNER & NEWALL, Ltd. Dec. 14, 1938, No. 36483. Convention date, Dec. 21, 1937. [Class 22] Asbestos-cement and like sheets are coloured by applying to the sheet while moist a uniform layer of a dry mixture of white cement asbestos and pigment, pressing the sheets to combine the layers and grinding the surface of the applied layer. The surface may be hardened before or after the grinding by treatment with silicofluoride. Specification 372,682 is referred to.
Patent GB-366222-A (GB)
Abstract: 366,222. Totalizators ; counting- apparatus. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, and BROOME, J. H., 64, Heathwood Gardens, Charlton, both in London. Dec. 19, 1930, No. 38280. [Class 106 (i).] The values standing on two counters are electrically added together and indicated. As shown applied to an electric totalizator, the denominational elements of the two counters ACR, BCR consist of selector switches UAC, DAC .. and UBC, DBC ... The contacts of the latter are connected by lines 0 .. 9 each with separate groups of ten wires U1 .. U9 and in each of these wires is a contact ua1 .. uk1 of a relay UA .. UK energized selectively by the setting of the corresponding denominational element of the counter ACR. Thus the counter BCR determines the group and the other counter closes a particular path in that group and so marks a lead to the indicator. If the two digits concerned add up to ten or more a temporary transfer is rendered effective and maintained until a real transfer in one or other of the counters takes place. As illustrated in Figs. 1 and 3 if the wire 9 is selected by the wiper DBC and the relay DK ( = 9) is energized by the wiper DAC the contact dk<10> will close the path to indicate 8 and at the same time a relay TC will be operated due to closure of contact dk 19, and will close circuit to transfer relay DT the contacts dt1 .. dt10 of which will change the leads of the hundreds switch CBC to the lines of next higher value. The relay TC may have two coils I, II, one of which is energized under conditions similar to those governing relays TA, TB while the other is put in circuit by receipt of a signal along wire 9 with the change-over contact ut10 operated. Specification 357,616 is referred to.
Patent GB-522638-A (GB)
Title: Improvements in or relating to the manufacture of wire-cut bricks, tiles and the like
IPC: B28B11/08
Filed: 1938-12-16
Abstract: 522,638. Cutting clay. JONES, F. P. and JONES, F. M. Dec. 16, 1938. No. 36641. [Class 87 (ii)] For making a wire-cut clay product, such as brick, with a true or unburred edge, an incision is first made with a rotatable circular knife and then the cut is completed by the wire. Alternatively, the clay is first cut through by the wire and then the edge is trued by causing a shouldered rotary knife to traverse the cut so that the blade and its shoulder bear on the sides of the clay and true the edge. The apparatus comprises a frame 20 carrying a series of spaced cutting wires 21 which are stretched over bridges 22, 23 and tensioned by adjustable members 24, 25. The lower members 25 are adjustable horizontally in slots 43 to align the wires correctly. In advance of the wires two series of cutting rollers 29, 30 are mounted, the rollers comprising rotary knives 32 spaced by bosses and mounted on freely rotatable shafts 34, 35. The shafts are vertically adjustable, the adjustment being indicated by a scale and pointer. The severed bricks are delivered on to a table 47 above which is an adjustable steadying roller 48 also having a pointer and scale. The clay bar may be moved relatively to the knives and wires, or the knives and wires may be moved relatively to a stationary bar of clay. Adjustable troughs 56, 57 may be used as reservoirs for lubricant for the rotary knives, the lubricant from the trough 56 being fed by a wick or like syphoning device. Specification 13813/91, [Class 87], is referred to.
Patent GB-1381678-A (GB)
Title: Cleansing agent
IPC: C02F1/52
Filed: 1972-08-07
Abstract: 1381678 Effluent treatment A HEIDRICH 7 Aug 1972 [7 Aug 1971] 36829/72 Heading C1C [Also in Division C5] A method of purifying effluent which may be contaminated with greases, oils and soot, comprises treating the effluent with a cleansing agent which is a mixture of sodium tripolyphosphate sprayed with sodium hydroxide, or sodium hexametaphosphate sprayed with sodium hydroxide, sodium aluminate and chlorocyanuric acid or the salts thereof. The cleansing agent may also contain a diphosphate, wood flour (as a filter aid), active carbon or silicic acid. The method may be carried out in an apparatus of the type shown in the accompanying Figure wherein contaminated water and cleansing agent are fed to a reaction tank 4 provided with agitator 8. The liquid is then circulated first to a viscous material separator 14 in the form of a centrifuge and then to an alluvial filter 16. Additional material, e.g. filtrants may be added to the liquid by means of additional metering means 17, 18 and 20. The latter means controls the pH of the liquid at the filter outlet. The filtrate passes through a transparent tube located near the light barrier 28. A photo-electric cell at this barrier monitors the transparency or otherwise of the filtrate and permits it, by a system of valves, to be discharged at 34, or recirculated to reaction tank 4. Viscous material from 14 is pressed in 44 and expressed liquid also recirculated to tank 4. The method is particularly applicable to the treatment of dairy effluent, or the treatment of moorland or marshy water contaminated with putrefactive products.
Patent GB-1183628-A (GB)
Title: Photographic Elements.
Inventor: WISE ALBERT WALKER
IPC: G03C1/42
Filed: 1967-08-11
Abstract: 1,183,628. Developer incorporated silver halide materials. EASTMAN KODAK CO. Aug.11, 1967 [Aug.12, 1966], No.36966/67. Heading G2C. A photographic material for rapid processing comprises a paper support, an inner layer coated on said support, a photographic silver halide layer coated over the inner layer and incorporated in the inner layer or the silver halide layer a silver halide developer, said inner layer comprising a film-forming hydrophilic colloid, at least 20% by weight of which consists of a synthetic linear, polymer of a monomer containing the group CH 2 =C-, at least 10% by weight of the polymer consisting of one or more polymerized acrylate and/or methacrylate ester monomers. The incorporated developer may be a 3-pyrazolidone. The synthetic linear vinyl polymer may be a copolymer of an alkyl acrylate and acrylic acid, a copolymer of vinyl acetate and methylmethacrylate, or a copolymer of methylacrylate and sulphopropyl acrylate and may be admixed with gelatine. The paper base may be a baryta on polyolefin coated paper.
Patent GB-1434738-A (GB)
Title: Bonding of inorganic fibres
IPC: C04B30/02
Filed: 1972-08-08
Abstract: 1434738 Porous fibrous compositions MAGNESIUM ELEKTRON Ltd 6 Aug 1973 [8 Aug 1972] 36983/72 Headings C1J and C1A A porous fibrous mass is obtained by bringing inorganic fibres into contact with a solution or suspension comprising a zirconium compound and a liquid and then heating to produce zirconia bonding the fibres. The compound can be Zr primate, acetate, oxychloride, hydroxychloride, oxynitrate, hydroxynitrate or sulphate, octoate, polycarboxylate or NH 4  zirconium carbonate. Ca, Yt or Mg oxides on their precursors (e.g. nitrates) and sols of SiO 2 , TiO 2 , ZrO 2 , Al 2 O 3  and zirconyl nitrate are optionals. Fibres specified are asbestos, aluminosilicate, glass, SiO 2 , C, ZrO 2 , rocks, slag, Al 2 O 3 , zircon or Ca silicate. I.C. engine exhaust gases can be passed through the mass to remove lead compounds.
Patent GB-861049-A (GB)
Title: Axle suspension system
IPC: B60G11/64
Filed: 1957-11-28
Abstract: 861,049. Spring suspensions. CLARK EQUIPMENT CO. Nov. 28, 1.957 [Dec. 27, 1956], No. 37112/57. Class 108(2). In a vehicle suspension system frame members 11 Fig. 1, are supported on axles 10 by pneumatic springs 22 resting on brackets 14. Springs .22 are in communication with an air chamber 24. Radius rods 30 are pivoted on brackets 31 mounted on the vehicle frame and on crank arms 32, one of which extends upwards from, and is attached to, the middle of each axle 10. The radius rods are pivoted to the brackets by pivot pins and resilient bushes. To complete the parallelogram linkage torque arms 35 are pivoted to brackets 50, attached to the vehicle frame, and axles 10, through brackets 19. The rear and off side torque arms of each pair are splined to opposite ends of an anti-roll torsion bar 37. Splines 38, Fig. 3, engage splined sockets in hubs 39 of torque arms 35. Bushing assemblies 43 of rubber 45, and inner and outer metal rings 44, 46 are provided between torque arm hubs 39 and brackets 50, to which they are clamped by split rings 51 and screws 52, Figs. 3, 1. This bushing allows rotational and axial movement of hubs 39 relative to brackets 50, thus permitting steering movements of the tandem axle assembly. The invention is also described and illustrated as applied to single axles as well as tandem axles.
Patent GB-1382200-A (GB)
Title: Sealing devices
IPC: F16J15/32
Filed: 1973-08-06
Abstract: 1382200 Seals SKEGA AB 6 Aug 1973 7 Aug 1972] 37221/73 Headings F2B and F2T In a sealing device, e.g. a piston packing, comprising a sealing ring 1, support rings 2, and guide rings 3 disposed axially adjacent to each other as shown without mutual connection, the support rings 2 being of material harder than that of the sealing ring 1 and the guide rings 3 of material harder than that of the support rings, the sealing ring is an 0-ring of nitrile rubber, which may be reinforced with flock, the support rings are of thermoplastic polymer and the guide rings of a polymer material, e.g. acetal resin or P.T.F.E. The support rings have a concave contact surface adjacent the sealing ring, which latter ring may be unsplit, the other rings being split. The device may comprise only one support and one guide ring, both on the same side of the sealing ring.