baber/WOPTO huggingface dataset:
Patent GB-579861-A (GB)
Title: Improvements in front wheel springing of bicycles, motor cycles and the like
IPC: B62K25/16
Filed: 1944-02-11
Abstract: 579,861. Cycle wheel spring suspensions. BEZET, B. Feb. 11, 1944, No. 2589. [Classes 136 (ii) and 136 (iii)] [Also in Group XXXII] A cycle wheel axle S is rigidly connected to suspension links L, each of which carries a resilient mounting such as a bush or sleeve R itself bonded or fixed directly or indirectly to the front fork F, the mounting forming the sole pivot means of the oscillating part of the suspension system and also acting as a spring element and axle suspension. A rubber bush R surrounds the pivot T of the bottom link L and is enclosed in the housing H of the front forks F. An extension E of the link L is coupled to a bracket K on the forks by a tension spring which as shown is a rubber or resilient band U. The bracket K is adjustable to vary the initial tension of the spring U. In the initial displacement of the cycle wheel, the relative extension of the spring U is small, since the movement of the extension E is substantially at right angles to the axis of the spring. As the displacement increases, the rate of extension of the spring considerably increases, thus providing soft springing for small displacements and progressively harder springing for greater displacements. This also limits the upward swinging movement and prevents the wheel hitting the bridge of the forks. Torsion in the bush R may also contribute to the springing or alternatively its effect may be allowed to be negligible in comparison with that of the spring U. In a simpler modification, the extensions E and springs U are dispensed with and the housing H is split and bolted to grip the bush K with great radial pressure. All of the spring effect in this case is provided by torsion in the bush R. In all of the above forms of the invention, pressure on the bush R is sufficient to eliminate any sliding between itself and the pivot T or the housing H. In a further modification, the bush R is vulcanized to the pivot T and a surrounding metal tube and the latter is gripped by a split form of the housing H.
Patent GB-428712-A (GB)
Title: Improvements in electro-chemical processes
IPC: C25B11/04
Filed: 1934-01-25
Abstract: An alloy of iron and silicon containing 13 per cent of silicon is used as an electrode in electrolysis.  Alloys containing 13-15 per cent or 20-21 per cent of silicon are also referred to.  Reference has been directed by the Comptroller to Specifications 121,730, 157,871, 212,871, [all in Class 82 (i)], and 353,488, [Group XXXVI].
Patent GB-1493012-A (GB)
Title: Cleaning compositions
IPC: C11D3/395
Filed: 1975-01-21
Abstract: 1493012 Toothpowder COLGATE - PALMOLIVE CO 21 Jan 1975 [21 Jan 1974] 2594/75 Heading A5B [Also in Division C5] A dry powder cleaning composition, e.g. a toothpowder may comprise (a) an abrasive, (b) a detergent and (c) a water-soluble aryl sulphonic acid salt, the molar ratio (c):(b) being 0.4-2:1. In example 4 a particular toothpowder consists of sodium N - lauroyl sarcoside calcium carbonate, sodium toluene sulphonate and flavouring.
Patent GB-510163-A (GB)
Title: Improvements in or relating to vehicles, more particularly rail vehicles
IPC: B61C15/10
Filed: 1938-01-27
Abstract: 510,163. Vehicle sanding appliances. SULZER FRERES SOC. ANON. Jan. 27, 1938, No. 2596. Convention date, Feb. 9, 1937. [Class 103 (iii)] [Also in Group XXXIV] A valve device on a rail vehicle controls sandspraying and a light brake application for stopping racing of the driving wheels to facilitate starting under a heavy load. The valve is separate from the main brake control member and comprises a valve member 34 adapted to admit main reservoir pressure to either of the sand sprayers 36, 36<1> according to the direction of operation of the control lever 32 from a central position which depends on the direction of travel of the vehicle, and a valve member 39 adapted to admit fluid from the main reservoir through a reducing valve 37 to the brake cylinder 3 for the driving wheels 1 in either end position of the lever 32. The brake apparatus also includes an automatic driver's valve 8 controlling brake cylinders 3, 4, 4', by means of the automatic train pipe 10 and triple valves 12, 22, 22<1> and a straight driver's valve 26 controlling the brake cylinder 3 by means of a straight train pipe 28. In a modification the valve device 34, 39 is replaced by an electric switch control-' ling electromagnetic valves.
Patent GB-362220-A (GB)
Title: A one way catch and suspender suitable for hanging street lamps and the like
IPC: F21V21/38
Filed: 1931-01-28
Abstract: 362,220. Sustaining load at limit of wind. NEASMITH, T., Valley House, Bourne Valley Road, Branksome, Dorsetshire. Jan. 28, 1931, No. 2733. [Class 78 (v).] A street lamp is supported in its highest position without strain on the hoisting rope a by means of a bracket C formed with cam slots B which are entered by rollers b, bl mounted on the lamp carrier A. The carrier is made in two parts which are pivotally connected by a pin a<4>.
Patent GB-583484-A (GB)
Title: Improvements relating to projectiles
IPC: F42B10/06
Filed: 1944-02-16
Abstract: 583,484. Projectiles; cartridge cases. BLACKER, L. V. S. Feb. 16, 1944, No. 2924. [Class 9 (i)] A projectile for smooth bore guns has its tail strengthened to withstand an extra normal propellent impulse, the tendency to instability in flight caused by the consequent rearward position of the centre of gravity being offset by causing turbulence in the rear of the projectile by means of a cup-shaped member on the tail which also acts as a gas check on discharge, by providing a slot through which air passes outwardly over the forward edge of the gas check, and by shaping the nose so that the air flow over it is turbulent. The embodiment described comprises an explosive head 1, a tail 2 and a stick-like part 3, joining the head and tail, reinforced by a relatively thick steel tube 8. Fins 6 and a cylindrical stabiliser 27 are provided. The tail is strengthened by a thick plate 13 to the rearward face of which is welded a thin walled cup 12 which forms part of the cartridge case and acts as a gas-check on discharge. A gap 15 is left between the stabiliser 27 and the plate 13 forming the slot through which air passes radially outwards during flight over the bevelled edge 14 of the plate. The nose of the bomb is formed with a concave surface 21 and a "spoiler" flange 22, to make the air-flow over it turbulent. The rear part of the cartridge case is formed by a cup 16 reinforced by a thick disc 20 and carries a propellent container 19 and priming magazine 17, the latter weakened by openings 23 and screwing into a socket 18 at the end of the tube 8. This prevents movement of the projectile until the pressure has built up after ignition sufficiently to rupture the magazine 17 at the weakened part, thus ensuring complete combustion of the propellent.
Patent GB-763440-A (GB)
Title: Manufacture of organo-mercury compounds suitable as diuretics
IPC: C07F3/12
Filed: 1953-02-02
Abstract: The invention comprises organo-mercury compounds of the general formula <FORM:0763440/IV(b)/1> wherein R represents a phenyl radical which is substituted by a carboxyl group or a group containing a carboxyl group, and R1 represents hydrogen or a lower alkyl or lower hydroxyalkyl radical having up to 4 carbon atoms, and the preparation thereof by reacting an allylamide of the general formula R-SO2-NH-CH2-CH = CH2, wherein R has the above significance, with a mercuric salt in the presence of water or an aliphatic alcohol. Suitable allylamide reactants are 1-carboxybenzene-3-sulphonic acid-, 1,2-dicarboxybenzene-4-sulphonic acid-, and 1-b -carboxypropionylaminobenzene-4-sulphonic acid-allylamide. Aliphatic alcohols mentioned are monohydric aliphatic alcohols such as methanol, ethanol and propanol, and polyhydric aliphatic alcohols such as ethylene glycol, 1,2-propylene glycol, 1,3- and 1,4-butylene glycol, and glycerol.  Mercuric acetate, tartrate, lactate or nitrate, or the product obtained by the addition of a mercuric salt to an ethylenically unsaturated organic compound such as the addition product of mercuric acetate to cinnamic acid methyl ester may be used as the mercuric salt for the above process.  A suitable reaction temperature is between 50 DEG  and 150 DEG  C.  In the examples the following compounds are prepared: N-[(g -hydroxy-mercuric-b  - 21 - hydroxypropoxy) - propyl] - m - sulphonamidobenzoic acid, the corresponding b -21,31-dihydroxypropoxy compound, 1 - (b  - carboxy-propionylamino) - phenyl - 4 - sulphonic acid-(g  - hydroxy - mercuric - b  - 21 - hydroxyethoxy)-propylamide and the corresponding b -21-hydroxypropoxy, b -21,31-dihydroxypropoxy, b -31-hydroxybutoxy, and b -hydroxy compounds are prepared.  Starting compounds. N-allylsulphonamides of the general formula R-SO2-NH-CH2-CH = CH2, wherein R has the above significance, are prepared by reacting the required sulphochloride with allylamine.  A number of these sulphonamides are referred to above.  1 - b  - carboxypropionylaminobenzene - 4 - sulphonic acid allylamide may also be obtained by heating sulphonilic acid allylamide and succinic anhydride.
Patent GB-1133959-A (GB)
Title: Derivatives of 3-(difluorocyclobutyl)-acrylonitrile and process for preparing them
IPC: C07C255/45
Filed: 1966-01-21
Abstract: 1,133,959. Cyclobutane derivatives. FARBWERKE HOECHST A.G. 21 Jan., 1966 [21 Jan., 1965; 17 Nov., 1965], No. 2985/66. Heading C2C. The invention relates to compounds of the formula in which X denotes chlorine or fluorine and Y denotes hydrogen, chlorine or fluorine, and to their preparation by reacting 1-cyanobutadiene-1,3 with a fluorolefine of the formula The fluorolefine may be diluted with an inert gas or with the reaction product and the cyanobutadiene may be used in solution in an inert solvent. A polymerization inhibitor, e.g. hydroquinone or dipentene, may be included in the reaction mixture. Various methods of procedure are indicated, and apparatus is described. Examples are given of the reaction of 1-cyanobutadiene-1,3 with tetrafluoroethylene, trifluorochloroethylene and 1,1 -dichloro-2,2-difluoroethylene. Trifluoroethylene is another specified reagent.
Patent GB-1363563-A (GB)
Title: Electroconductive paper
IPC: D21H19/58
Filed: 1972-01-21
Abstract: 1363563 Electroconductive paper S C M CORP 21 Jan 1972 3078/72 Heading B2E [Also in Divisions B5 and G2]  An electroconductive paper base sheet comprises a cellulosic web coated with a binder and a conductive agent which agent comprises at least 20 wt. % montomorillonite clay, for example Fuller's earth or Bentonite. A dielectric top coating may be applied to the conductive sheet for making use thereof in electrostatic copying. The binder is a filmforming resinous-binder, preferably a coalesced residue of an aqueous latex. Many diverse, natural and synthetic binder resins are listed, those preferred in the Examples being butadiene-styrene latexes. Fillers and pigments such as Kaolin, TiO 2 , CaCO 5  and BaSO 4  may be present together with latex stabilisers, if needed. A slurry or dispersion of the clay, is added to the resin solution or latex before application of the resulting compositions by spraying, roller coating, dipping or doctor blade to the cellulosic web. Alternatively a sheet of polyethylene containing dispersed clay may be laminated to the cellulosic web. The top coating comprises an insulating resin and, dispersed therein, a divided photoconductor. The insulating resin may be a silicone, polyvinyl acetate or, preferably, film-forming acrylic resin which contains sufficient carboxylic functionality to render it dispersable in water by neutralisation with a fugitive base. The acrylic resin may be a copolymer of an acrylic monomer with another monomer. Many examples of such copolymers are listed. The dispersed photoconductor may be the oxides of aluminuim, antimony, bismuth, cadmium, lead, mercury, molybdenum or the iodides, selenides, sulphides or tellurides of these metals, sulphur, anthracene selenium, polyvinyl carbazole, or preferably zinc oxide. Aluminium oxide may be present in addition to zinc oxide, and dyes such as Bromophenol Blue, Rose Bengal or Fluroscein may also be present.
Patent GB-1507791-A (GB)
Title: Plasma tubes for use in gas lasers
IPC: H01S3/032
Filed: 1976-01-27
Abstract: 1507791 Lasers SPECTRA-PHYSICS Inc 27 Jan 1976 [7 Feb 1975] 3155/76 Heading H1C A gas laser discharge tube comprises a tubular glass envelope 10, Fig. 1, with annular metal plates 16, 30 carrying resonator mirrors 36, 38 sealing its ends, the envelope containing a capillary plasma tube 12 supported by a flared portion 14 which is bonded to the envelope adjacent the plate 16, and further containing a tubular cathode 24 electrically connected to the plate 30 by a spring positioning clip 28 used to locate the cathode against a constriction 60 in the envelope. Plate 16 serves as an anode to produce a capillary gas discharge using Ne-Ne as a typical lasing gas. The cantilevered capillary tube is supported by fingers (not shown) of a support member 22 which engages the inner surface of the tubular cathode. Included in the structure is a getter 82 and a gas filling duct 40. Tuning for optimum performance is effected by slightly bending the tube during operation in a sequential manner along a plurality of radial planes and noting the plane in which maximum output is produced. The tube is then released and one mirror is realigned by deforming the supporting annular plate by mechanical shock in the optimum plane. An assembly process is described in which the components are bonded together with the aid of supporting jigs.
Patent GB-449454-A (GB)
Title: Improvements in and relating to z-section sheet metal piles
IPC: E02D5/04
Filed: 1936-02-03
Abstract: 449,454. Sheet piles. KRUPP AKT.- GES., F., Essen, Germany. Feb. 3, 1936, No. 3188. Convention date, March 7, 1935. [Class 68 (ii)] A Z-section pile is made by trimming the flanges 6 of two Z-section piles 4, 5, 6, and uniting them, e.g. by a weld 7. The middle planes of the parts 5 may be coincident, as shown. alternatively the free ends of the parts 6 may be level with the surfaces of the adjacent webs, or they may project beyond them the inwardly-projecting parts 6 may be utilized for anchoring-devices. Specification 425,005 is referred to.
Patent GB-1370462-A (GB)
Title: Shelving assembly
IPC: A47B91/02
Filed: 1972-01-25
Abstract: 1370462 Shelving; cabinets BEAVER &  TAPLEY Ltd and P W WESTON 25 Jan 1972 [26 Jan 1971] 3195/71 Heading A4B A shelving assembly comprises shelves 16-23, 25-31, 35, 39, 46, 47 supported between spaced uprights 11-14, 48 each provided with an adjustable foot 49-53 and each bearing on a wall 24 through an adjustable member 55 comprising a screw threaded metal stud 56 having a ball end 59 universally movable in a cup 60 having a flat surface which bears on the wall, whereby compensation may be made for unevenness of the floor and wall 24. Hinged doors 32, 36, 40, 41 may be fitted. Same of the compartments defined between superposed shelves may receive cabinets or drawers 61, 62.
Patent GB-642474-A (GB)
Title: Improvements relating to lifting hooks for cranes
IPC: B66C1/34
Filed: 1948-02-04
Abstract: 642,474. Hooks. WARDE, J. W., GRESHAM. A. T., and BRITISH TRANSPORT COMMISSION. Feb. 4, 1948, No. 3256. [Class 89(ii)] ] A lifting hook 6 is connected to a wire rope 3 by means of a fitting 1 serving as a weight and providing a seating for a ball race 4 on which the hook swivels. An end fitting 2 into which the rope is metalled, is screwed in at 11 and locked at 12. The hook 'seat is similarly locked at 9. In modifications either the fitting 2, or the ball race, or both, have spherical seatings and the rope carries a shield to protect the upper seating from ingress of dirt. The fitting 1 may serve as a grease container.
Patent GB-469896-A (GB)
Title: Improvements in or relating to automatic gain control circuit arrangements
IPC: H03F1/36
Filed: 1936-02-03
Abstract: 469,896. Valve amplifying circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BRAILSFORD, J. D. Feb. 3, 1936, No. 3268. [Class 40 (v)] Gain control is effected by feed back in an impedance associated with an auxiliary valve which is controlled by normal A.V.C. potentials or manually. In the Figure, the output voltage from the main valve 1 is taken to the grid of an auxiliary valve 10 which is connected through the resistance 14 to a source of A.V.C. potential. An impedance 5 is common to the cathode circuits of both valves. Negative feed-back voltage is produced across the impedance 5 due to the valve 1 and positive feed-back due to valve 10. When a stronger signal is received, valve 10 is biassed more negatively and the positive feed-back, and therefore the resultant ratio of output to input, is reduced. In a preferred arrangement, Fig. 2 (not shown), the main valve is coupled to the auxiliary valve by a tuned circuit; the common impedance in the cathode circuits also being a tuned circuit. With this arrangement the grid connection to the auxiliary valve may be " tupped down " on the tuned circuit, in the same way as the input to the tuned circuit.
Patent GB-1497432-A (GB)
Title: Apparatus for producing masks
IPC: H05K3/00
Filed: 1975-01-24
Abstract: 1497432 Scanning THOMSON-CSF 24 Jan 1975 [25 Jan 1974] 3294/75 Heading H4F In an electron microscope arranged for production of I.C.s the need for vertical and horizontal orientation and amplitude adjustments of the scanned raster of an electron beam 6, Fig. 1, over a resin substrate 4 mounted on a holder 3 is detected by a method wherein a marker 40, Fig. 2, in the form of a gold deposit is included on the surface of the resin. Electrons are reflected from the marker 40 and converted into a signal, by a transducer 9, Fig. 1, which modulates the beam intensity of a display tube 8 which is scanned in synchronism with the beam 6. The deflection systems of the beam 6 and display unit 8 are controlled in parallel by a unit 7. Initially both systems scan a small square centred on zero beam deflection and the holder 3 is shifted along X and Y axes until the marker is centred in the small square. Then the holder is shifted along one axis (-X) and a corresponding shift is effected in the scan systems. This process is repeated in the three remaining axial directions (+ X, - Y, + Y). If the scan raster of the beam 6 is of correct orientation and amplitude the cross will appear in the centre of all four displaced squares. However in the example of Fig. 4 a clockwise correction and amplitude increase is seen to be necessary for the horizontal component (X) of the scan and an anticlockwise correction and amplitude decrease is seen to be necessary for the vertical component (Y) of the scan. The display unit 8 may have a long persistence screen enabling simultaneous display of all four squares. A circuit is described with reference to Figs. 5 and 6 (not shown) for positioning the squares on the display unit screen.
Patent GB-1173876-A (GB)
Title: Method of Making Air Stable Cathode for Electric Discharge Device
IPC: H01J9/04
Filed: 1968-01-23
Abstract: 1,173,876. Electrode materials and processing. WESTINGHOUSE ELECTRIC CORP. 23 Jan., 1968 [23 Feb., 1967], No. 3427/68. Heading H1D. A cathode, comprising a tungsten support with an electron emissive coating thereon, is processed prior to incorporating in a discharge device, e.g. a fluorescent lamp, by coating the tungsten support with a finely divided material principally comprising alkaline earth metal carbonates together with a refractory oxide or oxides, as defined below, and heating the coated tungsten support in an inert or reducing atmosphere at between 1300‹ and 1750‹ C. for at least 5 mins. to produce an emissive oxide coating which is chemically stable in air. The finely divided material comprises from 40% to 85% by weight BaCO 3 , 10% to 50% by weight SrCO 3 , 5% to 30% by weight CaCo 3 , together with one or more of the refractory oxides Al 2 O 3  or ZrO 2  in the range of 1% to 15% by weight of carbonate mix, or Ta 2 O 5 , WO 3 , ThO 2  or HfO 2  in the range 3% to 25% by weight of carbonate mix, the total oxide content not exceeding 25% by weight of the carbonate mix. The heating process continues longer the lower the temperature, and in two examples given the coated support, which may be either a coil or a flat plate, is heated in one case in hydrogen for one hour at 1500‹ C. and in the other case in argon for six hours at 1300‹ C. Since the emissive electrode requires no further activation it may be mounted in the lamp with only one lead on a short support.
Patent GB-372294-A (GB)
Title: Improvements in or relating to electrical signalling systems
IPC: H04Q1/446
Filed: 1931-02-03
Abstract: 372,294. Electric signalling systems. AUTOMATIC ELECTRIC CO., Ltd., (formerly AUTOMATIC TELEPHONE MANUFACTURING CO., Ltd.), Strowger Works, Liverpool, RAYNER, T. R., 2, Stretton Avenue, Wallasey, Cheshire, and TURNEY, T. H., Beracah, Aughton Park, Lancashire. Feb. 3, 1931, No. 3436. [Class 40 (i).] In a voice frequency signalling system using a single frequency, a direct-current relav R1 is controlled through a pair of triode valves connected in push-pull to give full - wave rectification and preferably having tuned grid circuits. In a system in which the signals involve currents of a number of different frequencies which are selected by tuned circuits, e.g. as shown in Fig. 4, and amplified, any static full-wave rectifying arrangement may be employed, e.g. metal rectifiers arranged in bridge or co-operating as shown with a doublewound relay.
Patent GB-1160354-A (GB)
Title: Deceleration Sensitive Reaction for a Fluid Pressure Servomotor.
IPC: B60T13/52
Filed: 1968-01-23
Abstract: 1,160,354. Fluid pressure brakes; pedal operated brakes. BENDIX CORP. 23 Jan., 1968 [13 Feb., 1967], No. 3596/68. Headings F2E and F2F. A brake operating servomotor 10, Fig. 1, actuated by a pedal 68, includes a deceleration responsive device, such as a ball 80, which is arranged to control a reaction face on the pedal to produce " feel ". The servomotor acts on a master cylinder 14, and includes a diaphragm 28 contacting a member 26, 48 which has passages 32, 42 which connect the chambers on either side of the diaphragm in the unoperated condition, and is vacuum suspended by a vacuum applied at 12. Pedal depression slides a push rod 64 through a seal, guide and air filter 50, displacing a poppet 36 against a spring 44, thus allowing a weaker spring 46 to close a flexible valve seat 38 against a valve seat 40 and a passage between the flexible seat 38 and the poppet 36 to be opened, so that chamber 30 is sealed from the vacuum and connected to atmosphere through the filter 50 and a hole 58 in the outer cover 52. Deceleration causes the ball 80 to actuate a second master cylinder 72, the fluid from which axially expands the composite member 60, 62 which bears on the member 48 attached to the diaphragm and reacts against the pedal 68. In an alternative embodiment, the pedal (96, Fig. 2, not shown) merely carries an inertial mass (104) on the opposite side of the pedal pivot (100) to the footpad. Regenerative braking during reversing is prevented by arranging a spring loaded stop (106) to engage the mass (104), the spring (114) being compressed by foot operation of the pedal but not by inertial forces. A vacuum is applied, from a slide valve (120) operated by an automatic gear shift selector (144), to a chamber (112) so as to deflect a diaphragm (110) to compress the spring (114) and hold the stop (106) clear of the mass (104) during forward vehicle motion.