baber/WOPTO huggingface dataset:
Patent GB-1427095-A (GB)
Title: Seal assemblies
IPC: F16J15/34
Filed: 1973-03-16
Abstract: 1427095 Seals SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 16 March 1973 [17 March 1972] 12775/73 Heading F2B A sealing arrangement comprises flexible fibres 18 secured by an adhesive 17 to a surface of a first member 5 for sealing against a second member. The surface is first coated, e.g. with a thermosetting adhesive such as polyurethane glue and fibre flock, e.g. of polyamide material, may then be deposited electrostatically. A coating 19 of a two-part primer may be applied prior to the adhesive 17. The arrangement may be applied to bearing races, e.g. Figs. 1, 8, 11, 12, 14 (not shown), or Fig. 13, wherein a seal ring 39 fixed to a track roller 37 of a track laying vehicle is coated with fibres for co-operation with a closure member 38 fixed to a shaft 8. Alternatively, Figs. 5-7 (not shown), a spring ring 11 may be coated to form a sealing 0-ring, a fixed wall (9) may bear a coated member for co-operation with the shaft 8, Fig. 9 (not shown), a partition wall (9) may be coated at an aperture through which the shaft or the like passes, Fig. 3 (not shown), or the shaft 8 may bear a coated sleeve (23) for co-operation with the aperture, Fig. 4 (not shown). Further, Figs. 15-17 (not shown), axially rubbing or lip seals may be provided.
Patent GB-128982-A (GB)
Title: Means for Determining the Direction of Escape of Lubricant from Between Cylindrical Sliding Surfaces.
Inventor: THOMAS GEORGE HOLT
IPC: F16N29/00
Filed: 1917-09-08
Abstract: 128,982. Thomas, G. H., Havilland, G. de, and Morgan, H. R. Sept. 8, 1917. Valve-gear.-To prevent undesirable escape of lubricant from the bearings of a tappet for actuating internal-combustion engine valves, the tappet a has a closed end b and works between a guide h and an inner bearing-sleeve k. The tappet-rod e is seated spherically in the tappet at g.
Patent GB-955394-A (GB)
Title: Improvements in methods of producing iodine-131
Inventor: DOUIS MICHEL
IPC: B01J19/08
Filed: 1961-04-11
Abstract: 955, 394. Purifying radio-isotopes. COMMISSARIAT A L'ENERGIE ATOMIQUE. April 11, 1961 [April 15, 1960], No. 12955/61. Drawings to Specification. Heading G6R. Iodine-131 is produced by irradiating tellurium dioxide with neutrons, dissolving in an alkaline medium to form a solution containing more than 5% by weight of an alkali metal tellurite, oxidizing with hydrogen peroxide in the presence of an oxidation catalyst to convert the tellurite to a tellurate, acidifying the solution, and distilling off iodine-131. A process is described in which irradiated tellurium dioxide is dissolved in 5% sodium hydroxide with the addition of a little sodium iodate. Sodium molybdate as an oxidation catalyst is then introduced, followed by pure hydrogen peroxide in the presence of a stream of nitrogen. After completion of the oxidation, sulphuric acid is added to give a strength of 6N, together with a little sodium iodide. Iodine-131 is finally distilled off, being collected in a sodium bicarbonate-sodium carbonate-sodium thiosulphate solution. Other suitable oxidation catalysts are potassium molybdate and alkali metal vanadates. The whole process is carried out behind a protective shield; a suitable arrangement of apparatus is shown diagrammatically.
Patent GB-1255634-A (GB)
Title: Novel halophenylalkylene amines
Inventor: DAUM WERNER
IPC: C07C273/18
Filed: 1968-11-21
Abstract: 1,255,634. Halophenyl alkyleneamines. FARBENFABRIKEN BAYER A.G. 21 Nov., 1968 [27 Dec., 1967; 5 June, 1968], No. 12957/71. Divided out of 1,255,633. Heading C2C.  The invention comprises compounds of the formula where Z is a di- or tri-chlorinated or brominated phenyl radical, which may. be further substituted by one or more alkyl C 1 _ 4  groups, A is a C 2 _ 6  alkylene chain, optionally branched, m is an integer from 1 to 3 and where the group -(NH-A) m - contains up to three nitrogen atoms and up to. six carbon atoms, R<SP>1</SP> is a hydrogen atom, R<SP>2</SP> is a hydrogen atom or a formamidine radical optionally substituted by lower alkyl C 1-4  groups wherein two of these alkyl groups may form a 5- or 6-membered ring system or R<SP>1</SP> and R<SP>2</SP> together with the nitrogen atom to which they are attached form part of a piperazine ring, or a water-soluble salt thereof, e.g. hydrochloride, acetate, sulphate, benzoate, salicylate. They are prepared by reacting a compound of the formula Z-Cl with an excess of an amine of formula optionally in the presence of an inert highboiling solvent, eg.diphenyl ether. The compounds of the invention have algicidal activity.
Patent GB-411664-A (GB)
Title: Improvements in or relating to the regulation of regeneration in electrically propelled vehicles
IPC: H02P3/02
Filed: 1933-05-04
Abstract: 411,664. Control of D.C. motors. GUY MOTORS, Ltd., Fallings Park, and COURT, J., Wanderers Avenue, both in Wolverhampton. May 4, 1933, No. 12973. [Class 38 (iii).] Regenerative braking.-In a system of regenerative braking for a vehicle motor 1, as described with reference to Fig. 6 of Specification 340,003, in which the main circuit is maintained until the motor ceases to regenerate, even if the driver takes his foot off the power pedal, and in which a reverse current relay 30 energizes a contactor 58 for short-circuiting the series field 2, switches 59, 59<a>, linked to and opening and closing with the contactor 58 are provided, for supplying the coils of main contactors 16<x> and 16, 16<o>, respectively, so that when regeneration ceases the driver can operate effectively the main contactors, without first bringing the pedal back to the " off " position.
Patent GB-660996-A (GB)
Title: Improvements in rail car or wagon control systems
IPC: B61J3/02
Filed: 1948-05-12
Abstract: 660,996. Marshalling vehicles; tipplers; elevated railways. ROSS, W. April 27, 1949. [May 12, 1948] No. 12991/48. Classes 78 (iv) and 104 (ii). A system for moving rolling stock from one station to another, via an intermediate station where the rolling stock is tippled or otherwise treated, includes a downwardly indined road between the intermediate station and the second mentioned station, controlled bogie means moving upon separate rails between or below the said road to engage and control the descent of the rolling stock and means for removing the control so that the rolling stock descends the lower part of the road freely under gravity. The system shown is for moving railway wagons to and from a tippler k and comprises an upwardly inclined track to the tippler, a downwardly inclined track c from the tippler, and cable-operated bogies a, g running on a narrow gauge track between the rails and serving respectively to raise and lower the wagons. The bogies a, g may be as described in Specification 533,794 which is referred to. The bogie a is raised by a cable a<SP>1</SP> passing over a head sheave l to a hoist drum b and is secured also to a tail rope a<SP>2</SP> which passes around a sheave at the lower end of the approach slope and round tensioning means m to the hoist drum b. As a wagon propelled by the bogie a approaches the tippler it pushes onto the tippler a loaded wagon previously hauled up and so pushes off the tippler a wagon which has been tipped. The bogie a is then lowered again, the track being graded so that the wagon last hauled up follows the bogie to a short distance away from the tippler and then stops. The wagon which has been pushed off the tippler engages the bogie g which is controlled by cables g<SP>1</SP> and g<SP>2</SP> wound on a further winch h, to rise and fall with the bogie a. The unloaded wagon travels down the slope c under the control of the bogie g, until at a predetermined point it is automatically released to fall by gravity. It then travels along a horizontal track d, rises up a slope e, and returns by gravity to be diverted from the track d to a track f leading back to a position adjacent its starting point. The unloaded wagon may be released from the bogie g, after the which h has rotated to pay out a predetermined length of the cable g<SP>1</SP>, by means on the bogie g operated when a sheave n is moved on an eccentric mounting to transfer the load in the cable g<SP>1</SP> to a further cable (not shown). The position at which the wagon is released may be varied, and the series of operations may be caused to take place automatically in synchronism with the tippler.
Patent GB-655278-A (GB)
Title: Improvements in the production of crimped synthetic filaments and yarns
IPC: D01F6/60
Filed: 1948-05-12
Abstract: Yarns or filaments made from a copolymer containing both aminotriazole and amide units are caused to react with an aldehyde and are alternately tensioned and relaxed until they become crimped. The copolymer may be obtained by condensing a polyaminotriazole with a polyamide, particularly a polyamide with terminal amino groups, or by condensing a polyamide with the constituents necessary to form a polyaminotriazole, or by condensing a polyamino-triazole with the constituents required to form a polyamide.  The yarns or filaments may be caused to react with formaldehyde, glyoxal, acetaldehyde, or other aldehyde.  The filaments are preferably treated before any cold drawing. Filaments made from 4-amino-1.2.4-triazole/diamine-stabilized polyamide condensation product, may be treated with aqueous formaldehyde which may be allowed to dry on the filaments till nearly all the water is evaporated.  The filaments may then be alternately tensioned and relaxed until a crimped effect is obtained.  The best crimping is obtained by using a yarn in which the weight of polyamide components in the copolymer is about twice p  that of the polyaminotriazole components.  Other proportions may be used but preferably the weight of aminotriazole in the copolymer is less than 50 per cent.  The yarns may be passed continuously through the tensioning and relaxing devices.  A series of eccentrically-mounted rollers may be used, and the phase of eccentricity of successive pairs of rollers may be such that tension is applied in a run between two pairs of rollers and tension is relaxed in the run between the next two pairs of rollers. Alternatively, the rollers may be alternately mounted eccentrically and concentrically.  Other devices, such as eccentrically-mounted blades, may be used.  The treatment may be applied to continuous twisted or untwisted filament yarns of low or high filament denier, including filaments of bristle dimensions.  It may be applied to staple fibre yarns.  Mixed yarns of continuous filaments or staple fibres may be treated.  A mixed yarn containing undrawn filaments of the copolyamide/aminotriazole compound and undrawn filaments of a simple linear polyamide (nylon) may be treated.  A voluminous yarn is obtained since the triazole filaments shorten and produce the crimp whereas the nylon filaments retain the stretched length and form loops along the yarn.  Specifications 321,762, [Classes 120 (ii) and 120 (iii)], 346,354, 612,609, 613,020, 627,124 and 655,277 are referred to. The Provisional Specification refers also to Specifications 613,497, 645,907 and 654,273.
Patent GB-787314-A (GB)
Title: Cellular steel floor construction
IPC: E04B5/40
Filed: 1956-04-27
Abstract: 787,314. Floors; conduits in floors; metal units. ROBERTSON THAIN ,Ltd. (Robertson Co., H. H.). April 27. 1956, No. 13062/56. Classes 20(2), 20(4) and 87(1) A floor is formed from a plurality of multi-cellular sheet metal units assembled side-by-side and end-to-end upon a supporting framework. Each unit comprises an upper corrugated sheet 12 and a lower corrugated sheet 14 united together such as by welding, to form a series of cells 16 which in the assembled floor may form conduits for electrical wiring. The lower sheet 14 projects substantially beyond the upper sheet 12 at both the leading end 30 and trailing end 32. In assembling the floor the units extend between structural steel girders 18, to which their ends are welded. Adjacent units are connected side-by-side by the co-operation of marginal lip portions 20, 22, formed on opposite sides of the upper corrugated sheet 12, the leading end 30 of each unit being spaced slightly from the trailing end 32 of the endwise adjacent unit to provide a clearance 36. A corrugated bushing 50 is placed over the projecting ends of the sheets 14 to facilitate the drawing of electrical wiring through the cells and across the joint. The marginal portions 52 of the walls of each corrugation of the bushing are bevelled to form a smooth surface straddling the clearance 36. The upper corrugated sheets 12 are provided with a corrugated cover member 54 which engages the flanges 40 on the bushing 50 to hold the same on top of the webs 42 of the sheets 14. Specifications 400,924 and 420,062 are referred to.
Patent GB-1471765-A (GB)
Title: Bearing assemblies for rotatable shafts
IPC: H05K9/00
Filed: 1974-03-25
Abstract: 1471765 Electric connections SIEMENS AG 25 March 1974 [28 March 1973] 13070/74 Heading H2E A rotatable shaft 1 is electrically connected to an electromagnetic screen 7, through which it passes, by means of a metal casing 3 which supports the shaft and one or more flexible, annular dished conductive laminae 4 connected to the shaft and pressed against an annular substantially linear contact surface of the casing. The casing 3 is welded to the screen 7 and has a bore which acts as a bearing for the shaft which carries a collar 2, three laminae 4, two spacers 5 and a nut 6; a cover 8 screwed to the casing holds the shaft in the casing. The bore in the casing extends into a step formation, one step for each lamina which due to the chosen thickness of the nut 6 are dished against their resilience to rest on the step edges.
Patent GB-741124-A (GB)
Title: Sorting machine for letters and similar flat objects of predetermined dimensions
IPC: B07C3/00
Filed: 1951-06-01
Abstract: 741,124. Sorting machines. STANDARD TELEPHONES & CABLES, Ltd. June 1, 1951 [June 5, 1950], No. 13074/51. Drawings to Specification. Class 78 (1). A sorting machine for letters and the like comprises a plurality of receptacles which correspond with the places of destination; endless means transporting the letters to positions above the receptacles; a plurality of sorters' positions at which the destination of the letter is stored by registering a code number corresponding with the destination, and in accordance with this registration the letter-holder conveying the letter is released upon arrival above the wanted receptacle; the receptacles not comprising any indication about destination apart from an electromagnet and the transportation thereto being timed entirely by electrical means under the control of a register which stores the code number. In the embodiment given the letters are placed pneumatically at spacings of 24 inches on a conveyer chain which moves alternately fast and slow in front of one of the sorters, who observes each letter and presses 3 digits on his keyboard simultaneously to store the code number on a free register. This register immediately disconnects itself and transfers its information to a counting circuit which sets a selector on to the electromagnet of the wanted receptacle, and at the same time the register also passes on to the counting circuit the information determining the proper moment of arrival of the letter above the receptacle, so that the receptacle electromagnet is energized in time to cause the letter-holder to discharge the letter into the receptacle. This frees the register for further use by the sorter, who has an intermittent buzzer to assist him, the buzzing interval permitting a free register to be connected up to him so that he may use it during the next silence interval. An electrical circuit is given.
Patent GB-124368-A (GB)
Title: Improvements in and relating to Lawn-mowers.
Inventor: BAKER GEORGE SAMUEL
IPC: A01D34/47
Filed: 1918-08-12
Abstract: 124,368. Baker, G. S. Aug. 12, 1918. Drawings to Specification. Lawn-mowers.-Relates to motor lawn-mowers and consists in interposing a belt adapted to slip on a co-operating pulley in the driving mechanism so as to prevent accidents in case the knives become blocked. The invention is applicable to lawn-mowers driven either by an electric motor or an internal-combustion engine, and is described as applied to four different types of machine, viz., (1) in which an internal-combustion engine drives a countershaft from which both the knife and the supporting roller are driven, (2) in which only the knives are driven from the countershaft, and the machine is pushed by hand, (3) in which an electric motor drives the countershaft from which both the knife and the supporting roller are driven, and (4) in which an internal-combustion engine drives a countershaft from which the knife is driven while the supporting roller is driven from the knife shaft. In the cases in which the supporting roller is driven, a clutch may be employed to throw the gearing out of action when necessary.
Patent GB-311090-A (GB)
Title: Handles and methods of fixing same
IPC: A47J45/06
Filed: 1928-05-04
Abstract: 311,090. Smith, F. H. May 4, 1928. Handles ; feet.-To attach a plated handle to a plated metal vessel, pieces of easily fusible metal are placed in threaded openings 3, 4, in the handle ends which are then heated to melt the metal, and the barbed projections 1, 2, attached to the vessel are inserted into the openings and the parts are allowed to cool. The method can be used for the attachment of other projecting parts such as supporting feet.
Patent GB-262330-A (GB)
Title: Improvements in or relating to shock absorbers
IPC: F16F9/36
Filed: 1926-05-25
Abstract: 262,330. Newton, N. B. May 25, 1926. Fluid - friction vibrationdampers. - in a piston type hydraulic or like damper of the kind having a hollow compensating piston rod n' and an idler piston p, as described in Specification 216,808, gland packing leathers j, j<1> adapted to be acted upon by the internal fluid pressure and closing on the piston rod, are provided. Further, the movement of the idler piston p is constrained by an extensible and compressible anchor member such as a spring s' and chain s. The piston n on the end of the hollow piston rod n<1> works in a cylinder a filled preferably with castor oil, the movement being restrained by the passage of the oil through the holes n<2> in the piston while the idler piston p serves to separate the oil surface from the air. The idler piston p is fitted with two cup leather washers arranged back to back to prevent the passage of oil or air and a one way valve u communicating with the atmosphere prevents the formation of a vacuum. An outer protecting cylinder o is provided, the interior of this cylinder being at atmospheric pressure. Arms f, f' connect the two parts of the shock absorber to the relatively movable elements. In a modification, a single gland packing leather j is used and the spring s<1> is arranged in a recess in the ball b.
Patent GB-859246-A (GB)
Title: Catalytic cracking process and apparatus therefor
IPC: C10G11/18
Filed: 1959-04-17
Abstract: Apparatus for the catalytic cracking of hydrocarbons wherein the catalyst is dispersed in the fluidising gas and carried cocurrently with it, comprises a tubular fluidisation section above which is an outwardly diverging conical transition section (angle of divergence within the range 0.5 to 2.5 degrees) above which in turn is a tubular cracking section, the total length:average diameter ratio of the transition and cracking sections being within the range of 10:1 to 20:1; the apparatus also comprises first conduit means at the bottom of the fluidisation section for injecting a gaseous fluidising medium, second conduit means downstream from the first for introducing finely-divided solids into the fluidisation section, and injection means downstream from the second conduit means for injecting a liquid feedstock into this section.  Preferably the top diameter of the transition section is 2-3 times the bottom diameter thereof.  The apparatus is suitable for the catalytic cracking of a petroleum hydrocarbon gas oil fraction, boiling within the range 650-1050 DEG F. and containing at least 30% volume of components boiling above about 800 DEG F., the catalyst, substantially unfluidised, is introduced into the second conduit means at 1100-1250 DEG F. and is fluidised by a gas introduced through the first conduit means, the feedstock being injected in liquid condition through the injection means in an amount providing for a catalyst:oil ratio of 5-20:1 and the total suspension of catalyst in volatilized feedstock components flowing upwards through to transition section; said suspension may be at a superficial gas velocity of 8-50 feet per second at the top of said section, the suspension then flowing through the cracking section at not less than the superficial gas velocity referred to.  In general, the reaction temperature is 850-1000 DEG F.  Optionally, additional feedstock of a more refractory nature may be injected through a plurality of nozzles situated downstream from the normal injection means.
Patent GB-437650-A (GB)
Title: Improvements in and relating to mercury electric cut-outs
IPC: H01H87/00
Filed: 1934-05-02
Abstract: 437,650. Mercury switches. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, LUCAS, G. S. C., 75, Eastlands Road, and MAYO, C. G., 17, Alexandra Road, both in Rugby. May 2, 1934, No. 13286. [Class 38 (v)] A mercury thread cut-out comprises a capillary aperture 2 in a block of steatite or other material 1, the aperture containing mercury and communicating with bodies of mercury 7, 6 connected to leads 8, 9 and the whole being enclosed in an exhausted envelope. Below the mercury 6 is a metal block 4 with a capillary aperture 5 and after the cut-out has operated, the mercury thread is reformed by tapping the device when mercury will descend from the body 7, and any gas or vapour in the tube 2 will be forced out at the lower end, a small quantity of mercury preceding it and collecting at the bottom. The top half of the cut-out may also be made similar to the bottom half so that when the mercury 7 has been exhausted the cut-out may be reversed in its holder and operated thus.
Patent GB-660420-A (GB)
Title: A device for the measurement and quick control of the quality factor, or damping factor, of inductance coils, capacitors and resonant circuits
IPC: G01R27/26
Filed: 1949-05-18
Abstract: 660,420. Q-value measurements. TESLA NATIONAL CORPORATION, and CARNIOL, B. May 18, 1949 [May 18, 1948], No. 13293/49. Class 37. Q-value or damping factor of a coil, capacitor, or resonant circuit is measured by applying a high-frequency oscillation to the resonant circuit, or to a resonant circuit in which the coil or capacitor is connected, modulating the frequency of the high-frequency oscillation at a rate sufficiently high to produce free oscillations in the resonant circuit, and detecting the beats between the applied oscillation and the free oscillations. A low-frequency oscillation, adjustable by means of a regulator R, is supplied by a tone generator A to a highfrequency generator B, which is thus frequency modulated over a wide band, for example from one half to twice the frequency determined by the circuit comprising the inductance Lx to be tested, the self capacity Co, and an additional capacity C2. The frequency modulated voltage is supplied to the coil Lx through a small capacitor Cl. The resonant circuit between the points 1, 2 acts as a discriminator and an amplitude modulated voltage is produced in the circuit and is demodulated in a detector D. The low-frequency component of the rectified voltage is supplied through a filter F to a voltmeter M. The pass band of the filter is adjusted by a regulator R<SP>1</SP>, ganged to the regulator R, so as to pass only the frequency components produced by beating in the resonant circuit. After adjustment of the regulators R, R<SP>1</SP> with a quality standard between the points 1, 2 the voltmeter M indicates whether the tested circuit has a Q-value above or below the standard, and may be calibrated in Q- values or damping factor.