baber/WOPTO huggingface dataset:
Patent GB-604438-A (GB)
Title: Pulse communication system
IPC: H04B14/02
Filed: 1945-02-02
Abstract: 604,438. Telephone transmission systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Feb. 2, 1945, No. 2742. Convention date, Sept. 16, 1943. [Class 40 (iv)] [Also in Group XL (c)] A distance - selective com munication system includes a pair of stations, each of which has a pulse transmitter and pulse receiver, the timing of the trans mitted pulses being controlled by the received pulses, mean also being provided to modulate and demodulate in time or ampli tude the pulses passing between the stations. By the introduc tion of suitable receiver gating circuits and time delays, the stations can be made responsive only to signals transmitted from a co-operating station at a predetermined distance. Further selectivity may be introduced by directional radio transmission and reception.. In one radio system, according to the invention, at each station the aerial system 13, Fig. 1, is coupled to a transmitter 12 and receiver 11 through a transmit-receive device 9. Pulses from the receiver control the emission of pulses from the transmitter through an adjustable delay device 10, by which also time modulation of outgoing pulses may be introduced in accordance with speech from the balancing network 16 and telephone station 18. The received pulses are also demodulated in circuit 15 to feed the telephone station 18 with incoming signals. If the pulse recurrence period is fixed and the time of transmission between two communicating stations is fixed by their distance apart, the pulse delay time at each station is set so that the sum of the last two periods is equal to the first. In these circumstances, the receivers are unresponsive to signals from other stations at different distances. Specifications 402,629, 574,674, [both in Group XL], and 613,809, [Group XL (c)], are referred to.
Patent GB-480402-A (GB)
Title: Improvements in duplicating machines
IPC: B41L11/00
Filed: 1937-01-30
Abstract: 480,402. Copying documents; feeding sheets ; gripper mechanism. DITTO, Inc. Jan. 30, 1937, No. 2775. Convention date, April 27, 1936. [Classes 100 (i) and 100 (ii)] In a rotary duplicating-machine of the type comprising a printing-drum 8 carrying grippers 20 to which a mirror-script original 22 is fed from a tray 42, a device for opening the grippers controls a stop 66 so as to allow the original to be fed when the grippers are open and are aligned with the tray. The grippers are fixed to a shaft 24 carrying a roller-arm 25 adapted to be rocked outwardly to open the grippers by cams 32, 33 which are moved into operative positions by swinging a lever 38 into the position shown. The tray 42 is pivoted at 43 and is spring-pressed towards the drum but is normally held back by a pin 51 on a plate 52. Movement of the lever 38 rocks the plate 52 about a pivot 53 through the intermediary of a rod 62 to allow the tray to approach the drum. A finger 65 then rests on the drum and drops into a recess therein when the grippers 20 are aligned with the tray, and a cam-surface 30 on the arm 25 engages a roller 69 on an arm 68 rigid with the stop 66 to lower the stop and allow the original to drop into the grippers. Specification 374,665 is referred to.
Patent GB-536121-A (GB)
Title: Improvements in railway sleepers
IPC: E01B3/32
Filed: 1940-02-14
Abstract: 536,121. Reinforced concrete sleepers. JEPHSON, J. L., and WOODS, J. W. Feb. 14, 1940, No. 2830. [Class 104 (ii)] A reinforced concrete sleeper has truncated wedge shaped ends connected by a web b reinforced by a rib e. The top f of each end is flat and recessed to receive a pad h of wood &c. to support the rails. Insets l of lead &c. are provided for the bolts screws &c. m.
Patent GB-104214-A (GB)
Title: Improvements in or relating to the Conveying of Cotton, Cotton Waste, Wool and like Textile or Fibrous Substances in the Washing, Bleaching and like Treatment thereof.
Inventor: TAYLOR TOM
IPC: D21C9/10
Filed: 1916-02-25
Abstract: 104,214. Taylor, T., Beswick, N., and Jenkins, E. Feb. 25, 1916. Transmitting solids in a current of liquid.-Cotton, cotton waste, wool, or other fibrous materials are conveyed, for example from the washing-tank b, b<1> to the bleaching or steeping tanks a<1> - - a<5>, by raising the material by belts j, j<1> and discharging it into an open trough d or a closed pipe or trough, mounted on a pivot c<1> so that either end may be raised. A stream of liquid is passed down the trough and washes the materials through outlets f<1> - - f<5> provided with gates g<1> - - g<5>, which may be fitted across the trough as shown in dotted lines, so as to direct the material to the outlets. The water draining through false bottoms in the tanks a<1> - - a<5> may be drawn off for re-use in the conveyer.
Patent GB-618044-A (GB)
Title: Improvements in or relating to an automatic device for tracking distant bodies for radiant energy
IPC: G01S13/68
Filed: 1943-02-22
Abstract: 618,044. Automatic control systems. SPERRY GYROSCOPE CO., Inc. Feb. 22, 1943, No. 2934. Convention date, April 10, 1942. [Class 38 (iv)] [Also in Group XL (c)] Alignment.-A radiolocation system employing pulses of radiant energy is so arranged that its receiving antennµ are caused automatically to be directed towards a selected target. A pulse transmitter 5 and modulator 3 controlled by a master oscillator 1 feeds a directive transmitting antenna 7, while two directive receiving antennµ 11, 13 which have overlapping radiation patterns, feed through R.F. amplifiers 23, 25 and a switch 29, which may be electronic in character, to a superheterodyne receiver 27, 57. Switch 29 is operated at a suitable rate, usually less than the frequency of oscillator 1 so that the pulse wave at the output of the receiver comprises recurrent successive portions produced by the two separate receiving antennµ; the amplitude of the pulses due to the two antennae being equal when the target giving rise to them lines on the equi-signal axis of the two receiving antennµ radiating patterns. The output signal pulses are selected by means of two gate valves 59, 61 controlled by pulses at the transmitter recurrence frequency from the pulse generator 53. The timing of these gate pulses with respect to the transmitted pulses is controlled by a variable phase-shifter 51 from the master oscillator 1 and an indicator 21 of the type described in Specifications 558,833 and 609,298; [both in Group XXXVI], is employed to ensure phase coincidence between the gate pulses and signal pulses. Control of the phase-shifter may be automatic as described in Specifications 582,279 and 582,492, [Group XXXVI]. The gate valves are curved to direct the signals corresponding to the separate receiving antennµ into separate parallel control channels comprising rectifier 67, 69 and D.C. amplifiers 79, 81, by feeding the gate pulses through a switch 67 which is operated in synchronism with switch 29. The D.C. outputs from amplifiers 79, 81 are differentially combined to actuate a motor 83 which rotates the platform 9 on which the antennae are mounted, the position of the antennae being thus so adjusted that the target selected by the gate pulse lies on the equi-signal line of the two receiving antennae radiation diagrams, and the differential output fed to the motor is zero. A meter 86 may be used to indicate the voltage fed to the motor and thus the error in alignment between target and antennae. Indicator 21 may contain devices, such as a cathode-ray tube for indicating the relative intensity of signals from the receiving antennµ, whereby the relation between the actual and desired orientations of the antenna system may be observed. The orientation of an object in azimuth and elevation may be obtained by duplicating the system described, the second system being adapted for rotation about a horizontal axis.
Patent GB-1172563-A (GB)
Title: Improvements in or relating to Conveyors
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B61B10/02
Filed: 1966-01-22
Abstract: 1,172,563. Conveyers. FISHOLOW PRODUCTS Ltd. 11 Jan., 1967 [22 Jan., 1966], No. 3004/66. Addition to 1,047,623. Heading B7L. In a conveyer as described in Specification 1,047,623, the retarding or stop dog 22 has inclined side faces 32a, 32b which meet at a sharp projection 32c to prevent the driving abutment 23 of a trolley 24 jamming against the side of the dog 22 at the track junction J.
Patent GB-514229-A (GB)
Title: A device for feeding dust fuel to the ante-chamber of an internal combustion engine using dust fuel
IPC: F02B45/02
Filed: 1939-01-30
Abstract: 514,229. Powdered-fuel engines. HANNOVERSCHE MASCHINENBAU AKT.-GES.' VORM. G. EGESTORFF (HANOMAG.). Jan. 30, 1939, No. 3100. Convention date, April 30, 1938. [Class 7 (ii)] An ante chamber 3 is charged with powdered fuel by air which is compressed in the cylinder and enters the antechamber through a passage 5 the air inducing powdered fuel from a storage chamber 9 that may contain powdered fuel alone or a mixture of powdered fuel and air. The passage 5 is connected with the storage chamber by an annular passage 7 and bores 6. A valve such as 8 or an annular slide valve controls the connection between the passage and the storage chamber and the valve may be operated directly from the engine or be controlled by an engine governor. An engine operated valve 4 may separate the antechamber from the cylinder.
Patent GB-399696-A (GB)
Title: Improvements in and relating to machine gun cartridge belts
IPC: F42B39/08
Filed: 1933-02-01
Abstract: 399,696. Cartridge belts. LAHTI, A. J., Valtion Kivaõritehdas, Jyvõskylõ, Finland. Feb. 1, 1933, No. 3113. [Class 92 (ii).] Relates to machinegun cartridge belts of the kind formed of metal links, each having a pair of clips 1b, 1c on one side, and on the other side a single clip 1a which enters between the pair of clip on a neighbouring link, the links being hinged together independently of the cartridges by a sleeve which passes through the clips on adjacent links. According to the invention, the sleeve 2 extends only through the clips 1c, 1a instead of through all three clips 1a, 1b, 1c, as heretofore. In the form shown the sleeve 2 is a cylindrical and preferably resilient bush retained in place by a projection 2a on the bush engaging a recess 1e in the clip 1c or vice versa. The clip 1b is made resilient to grip the cartridge.
Patent GB-1127721-A (GB)
Title: Improvements relating to nitro acridone dyestuffs and their use
IPC: C09B51/00
Filed: 1967-01-20
Abstract: 1,127,721. Diphenylamine derivatives. J. R. GEIGY A.G. 20 Jan., 1967 [21 Jan., 1966], No. 3183/67. Heading C2C. [Also in Division C4] 5 - Methyl - 2 - aminobenzene - 1 - carboxylic acid is reacted with 1,2-dinitro-4-chlorobenzene, in the presence of K 2 CO 3 , 2-nitro-5-chlorodiphenylamine - 41 - methyl - 2<SP>1 </SP>- carboxylic acid precipitates from the solution as the potassium salt. The free acid is obtained by acidification. 2 - Nitro - 5 - n - butylmercapto - diphenylamine - 2<SP>1</SP> - carboxylic acid is produced by the condensation of 3-chloro-4-nitro-1-n-butylmercaptobenzene with 2-aminobenzene-1-carboxylic acid in the presence of K 2 CO 3 . 2 - Nitro - 5 - n - butylmercapto - diphenylamine - 6 - carboxylic acid is produced by the condensation of 2-nitro-5-chloro-diphenylamine- 6-carboxylic acid with n-butylmercaptan in the presence of K 2 CO 3 .
Patent GB-1141123-A (GB)
Title: Improvements in or relating to devices for transferring workpieces through successive stages
IPC: B23Q5/58
Filed: 1966-01-25
Abstract: 1,141,123. Conveyers having cyclicallymoving pushers. B. J. WALLIS. 25 Jan., 1966 [3 Feb., 1965], No. 3211/66. Heading B8A. [Also in Divisions B3 and F2] A device for transferring workpieces 28, Fig. 1, through successive stations, e.g. of a progressive die or a drilling machine, comprises a carriage 12 mounted for rectilinear movement on a base 10, fingers 24 mounted on the carriage for movement transversely of the latter between extended and retracted positions, a shaft 88 mounted on the carriage for reciprocation longitudinally thereof and operatively connected to the fingers 24, and a cam cylinder (56), Fig. 2 (not shown) having two grooves (64), (66) associated with cam followers in the form of rollers 78, 86 operatively connected to the shaft 88 and the carriage 12, respectively, the grooves (64), (66) having a pair of corresponding parallel portions for moving the carriage 12 and the shaft 88 as a unit and a pair of non- parallel portions for moving the shaft 88 relative to the carriage 12. The carriage 12 is guided by bars 14 and slidably carries shafts 20 which are interconnected by a bar 22 having secured thereto the fingers 24 The workpieces 28 are supported on a block 30 having a fixed guide rail 32 thereon. The cylinder (56) is motor driven. The roller 78 is releasably secured to a crosshead 72 slidably mounted on the bars 14 and secured to the shaft 88 which is formed at each end with a gear rack portion 92 meshing with a pinion gear which carries an eccentrically mounted pin the latter being connected by a link to the associated shaft 20. The roller 86 is releasably secured to the carriage 12. The pitch line shapes of the cam grooves (64), (66) are illustrated in Fig. 14 (not shown), and the path of the fingers 24 is shown by a broken line in Fig. 1. In a second embodiment, Figs. 6 to 9 (not shown), the fixed guide rail 32 is replaced by a bar (126) mounted on shafts (122). The fingers (130) are mounted on shafts (124) and the shafts (122), (124) have rack portions (132), (134) which are engaged by opposite sides of pinions (136) also engaged with rack portions (138) on opposite ends of a rod (140) disposed and operated similar to the shaft 88 of the first embodiment so that the fingers (130) move towards and away from each other. The movement of the cam followers may be amplified, e.g. by gears, and the cam cylinder movement may be synchronized with the operation being performed on the workpieces. In a third embodiment, Figs. 10 to 13 (not shown), similar to the second embodiment, a frangible connection is provided between each cam follower and the part which it operates so that in the event of an obstruction being met the connection is broken and the motor is stopped.
Patent GB-1068153-A (GB)
Title: Improvements in vibrating wire strain gauges
Inventor: PARDEY PHILLIP HILARY
IPC: G01L1/10
Filed: 1963-01-25
Abstract: 1,068,153. Strain gauges. COAL INDUSTRY (PATENTS) Ltd. Jan.27, 1964 [Jan. 25, 1963], No. 3222/63. Heading G1N. The vibrating wire 10 of a strain gauge is contained in a tube 20 which carries a cup-like unit 21 threaded at 22 to receive a casing 24 in which an electromagnet is mounted so that its poles 23 are adjacent the wire when the casing is screwed into position. Two conductors 31, 32 of a cable 30 are permanently connected to the electromagnet, and a further two may be connected to a thermocouple 35 or a thermistor, to monitor temperature. The ends of the wire are clamped to discs 12 each mounted in a sealed cavity constituted by a flanged member 15 and an end cap 16 which are united by a threaded collar 17 and sealed with an O-ring 18. Wire tension is adjustable by set screws 40, 41, 42, and if the gauge is to be embedded in concrete to measure the stress therein, it may be constructed in the manner described and claimed in Specification 924,381.
Patent GB-766415-A (GB)
Title: Improvements in or relating to electromagnetic contactors
IPC: H01H50/24
Filed: 1955-02-04
Abstract: 766,415. Electromagnetic switches. COMPAGNIE ELECTRO-MECANIQUE. Feb. 4, 1955 [April 16, 1954], No. 3323/55. Class 38(5) A contactor armature 1, Figs. 1, 2, is connected to a pivoted support arm 2 by a bolt 3 passing with clearance through the armature and a pair of part-spherical bearing members 5, 6 fixed to the armature. Bearing members 7, 8 mounted without clearance on the bolt 3 receive the members 5, 6 under the resilient pressure of a pair of dished washers 9, 10. The nut 4 is tightened to clamp the armature in its adjusted position on the arm 2 so that the armature makes proper contact with the stationary core; however, the armature may align itself by knocking on the core to allow for wear of the magnet contact surfaces. In another construction, Fig. 4, the bearing members 5, 6 are fixed to extension plates 11' of the armature and cooperate with frusto-conical recesses in pivoted armature support plates 2, 12.
Patent GB-1029262-A (GB)
Title: Manufacture of carbon tetrachloride
Inventor: KOPSCH ULRICH
IPC: B01J27/06
Filed: 1963-01-28
Abstract: Carbon tetrachloride is made by bringing phosgene into intimate contact with an unsupported catalyst containing tungsten hexachloride and/or molybdenum pentachloride wherein the tungsten or molybdenum oxychloride content of the catalyst is maintained at less than 7% by weight of the tungsten or molybdenum chloride content of the catalyst by incorporating in the catalyst aluminium chloride and/or iron chloride and maintaining the reaction temperature at at least the melting point of the catalyst but not higher than 500 DEG  C. The reaction may be effected in a continuous manner by recycling vaporized catalyst.  Catalysts containing iron are preferred as these have a lower vapour pressure than those containing aluminium. Preferred reaction temperatures are in the range 250-450 DEG  C. Salts such as KCl can be added to the catalyst to lower the melting point thereof.  Examples are provided.ALSO:In a process for the preparation of carbon tetrachloride by disproportination of phosgene the catalyst is a molten mixture of WCl5 and/or MoCl5 in which the tungsten or molybdenum oxydiloride content is kept below 7% by weight of the WCl5 and/or MoCl5 content by incorporation of AlCl3 and/or FeCl5.  The catalyst may also contain salts such as KCl to lower the melting point.
Patent GB-1381431-A (GB)
Title: Vehicle hydrodynamic retarder apparatus
IPC: B60T1/087
Filed: 1973-01-23
Abstract: 1381431 Hydrodynamic retarders DAIMLER-BENZ AG 23 Jan 1973 [25 Jan 1972] 3447/73 Heading F2E A vehicle driven hydrodynamic retarder 10 pumps its operating medium in an external circuit through a heat exchanger 24 and a turbine 22 which drives a fan 23 associated with the heat exchanger. A gear 18 is driven from a gear-box input or output shaft, or a differential gearshaft or a vehicle axle, directly driving a gear 20 and, through a reversing gear 17, a similar gear 16. Rotors 13, 14 of the retarder 10 are respectively coupled to gears 20, 16 via concentric shafts 19, 15 to produce opposite and substantially equal rotor rotation. Fluid is pumped to the turbine 22, which drives the radial fan 23 or blower, and from the turbine through an annular radiator 24 embodying the heat exchanger, which is cooled by the fan or blower 23. Fluid flows from the radiator 24 via a shut-off valve 27 and/or retarder regulating elements to the retarder via radial holes in the shaft 15. The gears 16, 17, 18, 20 and the retarder 10 are housed in a three-part disc shaped housing, Fig. 2 (not shown), the gear 18 being of conical form.
Patent GB-660612-A (GB)
Title: Improvements relating to spherical-grinding machines
IPC: B24B13/00
Filed: 1949-02-09
Abstract: 660,612. Grinding spherical surfaces. LAKE, T. P. Feb. 9, 1949, No. 3515/49. Class 60 A spherical-grinding machine includes a head 12 carrying a rotatable spindle 12 to receive an annular grinding wheel 14, which can be set at the requisite angle, a rotatable work spindle 31, Fig. 3, which is axially movable and biassed towards the grinding wheel, a time-lag device which takes charge, after the work spindle has been moved by the axial bias to bring the work closely adjacent the grinding wheel, to control the feed during grinding, and an adjustable stop for limiting the axial movement towards the grinding wheel. The spindle 13 is driven by a motor 16 through an enclosed drive 15 and the head is inclined to the required angle about a horizontal axis passing through the centre of the operative face of the grinding wheel by a hand-operated worm and worm wheel which is geared to separate indicators 23, 26 showing the inclination in degrees and minutes. The angle corresponding to the required dioptre is found from a rotatable indicator 27. The spindle 31 is journalled in a sleeve 34 which is biassed upwardly by a spring 39 and provided with rack teeth 35 for engagement with a pinion 36. A handle 38 is secured to the pinion to enable the spindle to be withdrawn from the grinding wheel against the action of the spring 39; a spring-pressed latch co-operating with a recess in the pinion boss holds the spindle in its withdrawn position. The lower end of the spindle is slidably keyed in a sleeve driven by a worm and worm wheel at a different speed from the tool spindle and is connected to the movable cylinder of a dashpot which is provided with a cushion spring interposed between the cylinder and a fixed plunger. When the sleeve 34 is released, it is urged towards the grinding wheel by the spring 39, the rate of feed during grinding being controlled by the discharge through a bleeder port in the dashpot cylinder which terminates the feed when it comes into contact with the plunger. The housing for the work spindle is vertically adjustable with respect to a slide 32 which is laterally adjustable on the machine frame. The housing is set to ensure the removal of the correct amount of material from the work while the slide is set according to whether a concave or convex surface is to be ground. Specification 660,650 is referred to.
Patent GB-536702-A (GB)
Title: Improvements relating to reflectors
IPC: G02B5/126
Filed: 1940-02-26
Abstract: 536,702. Reflex lights. SHAW, P. Feb. 26, 1940, No. 3524. [Class 97 (i)] A reflex light A having a reflector C is enclosed within a closely fitting flexible or flexible and resilient, e.g. rubber, cup B impervious tc moisture and extending over the back of the reflector and over the whole or a substantial part of the side wall. The inner surface of the end of the cup may be moulded to the contour of the rear of the reflector C, and the units may be encased in a tightly-fitting ductile tube E, of copper, soft alloy &c. the ends of which are turned over the ends of the cup ; indentations e may also be formed in the tube E. The tube may be long enough to enclose a rubber or other wad F, Fig. 8, into which a nail F<SP>1</SP> may be driven for fixing the unit; a protective metal plate G may be provided. Alternatively, a bifurcated rivet, bolt, screw &c. may be enclosed by the end of the tube E. The end of the tube may be completely closed and may be formed with a flange. The invention may be applied to a glass disc or plate shaped to form lenses serving as reflex lights.
Patent GB-1397043-A (GB)
Title: Fuel oil additive
IPC: C10L1/18
Filed: 1973-01-24
Abstract: 1397043 Fuel oil additive COALITE & CHEMICAL PRODUCTS Ltd 1 Feb 1974 [24 Jan 1973] 3550/73 Addition to 1315304 Heading C5G A fuel oil additive comprises (i) a tar acid fraction in which is dispersed both (ii) a solid, finely divided corrosion inhibitor and (iii) a minor amount by weight of a finely divided solid material effective to improve the flow properties of the composition. The corrosion inhibitor may be an inorganic compound of magnesium, alkaline earth metals, zinc and aluminium, e.g. MgO. The flow improver may be SiO 2 . A surfactant, e.g. a C 12 -C 22  fatty acid or a silicone may also be present. The additive may be added to the fuel oil before it reaches a burner or whilst entering the burner, or as it leaves the burner.