baber/WOPTO huggingface dataset:
Patent GB-594096-A (GB)
Title: Improvements in or relating to a remote control device
IPC: G08C19/20
Filed: 1945-06-26
Abstract: 594,096. Electrically - operated counting systems. SODECO, SOC. DES COMPTEURS DE GENEVE. June 26, 1945, No. 16245. Convention date, July 13, 1944. [Class 106 (i)] [Also in Group XXXVIII] In a system in which a step-by-step counter can be driven by electric impulses in either direction, the impulse-sending handle is geared to the planet-wheels 5 of a differential gear, the sun-wheels 6, 7 of which drive respectively the impulse senders for the two directions and the counter is similarly associated via a differential gear with ratchet-wheels 47, 48 which are stepped in opposite directions by magnets 39, 40. When one impulse-sender is actuated, the other is locked by a detent 18, 30. Each impulse-sender comprises a contact-operating shaft 16 driven by springs such as 13 and controlled by a governor such as 22. The shaft is normally locked by engagement of an arm, e.g. 14, 15, thereon with an escapement member, e.g. 12. When the sending handle is turned, the spring 13 is wound up and the escapement member is rotated to allow the shaft 16 to rotate 180 degrees at a time. The transmission circuit may be modified as shown in Fig. 2 in which separate A.C. sources are provided for each magnet or as shown in Fig. 3, in which the stepping magnets are polarized by rectifiers or otherwise and + andimpulses are used.
Patent GB-1127117-A (GB)
Title: Production of aliphatic schiff bases and diaminoalkanone derivatives thereof
IPC: C07D227/04
Filed: 1966-04-13
Abstract: 1,127,117. Aliphatic Schiff bases. KANEGAFUCHI BOSEKI K.K. 13 April, 1966 [14 April, 1965], No. 16268/66. Heading C2C. [Also in Division B1] Aliphatic Schiff bases are obtained by continuously contacting at a temperature of from 320 to 550 C., a 5 to 13 membered lactam, in the gaseous phase, with solid particles of an oxide or hydroxide of an alkali metal or alkaline earth metal, or a mixture thereof, as a decarbonation-condensing agent. The reaction may be effected in a continuous manner and the decarbonation agent (which may be mixed with an inert gas, e.g. nitrogen) may be employed in the form of a fluidized or moving bed. The lactam is vaporized and generally fed to the fluidized or moving bed in admixture with an inert gas, e.g. nitrogen. After reaction the gas stream is separated from solid particles and the product is obtained either by condensing the gas stream or by dissolving it in a solvent, e.g. water, an organic solvent or a mixture thereof. The product may be purified by converting it into the carbonate of the corresponding diamino ketone by reaction in an inert organic solvent with carbonic acid gas, liquid carbon dioxide or dry ice, and subsequently heating the carbonate to recover the Schiff's base. Specified lactam starting materials are #- laurolactam, #-caprylolactam, #-enantholactam, 5-methyl-#-caprolactam, #-caprolactam and α-pyrrolidone. Specified decarbonation-con - densing agents are the oxides of calcium, barium and magnesium, calcium hydroxide and sodalime.
Patent GB-294142-A (GB)
Title: Power vehicle with two mutually sprung frames
IPC: B60G3/01
Filed: 1928-06-05
Abstract: 294,142. Zoelly, H. July 18, 1927, [Convention date]. Secondary frames; axles.-A six-wheeled vehicle has a light frame 1 and a heavy frame .11 supported on the former by springs 3. The wheels' are mounted on stub axles connected to pistons 8, Fig. 2, in cylinders 9 containing liquid.
Patent GB-893834-A (GB)
Title: Improvements relating to plug cocks for casks
Inventor: PERKINS STANLEY
IPC: B67D3/04
Filed: 1958-05-22
Abstract: 893,834. Valves. WOOD & PERKINS Ltd. Aug. 12, 1959 [May 22, 1958], No. 16402/58. Class 135. [Also in Group XVII] A tapered plug cock 9, Fig. 2, rotatable within a cock body 7, has a T-shaped passage 25, 26, Fig. 4, for connecting two outlets 15 and 16 in the cock body 7 to an inlet port 14 coupled to a tapered inlet shank 17. By suitably rotating the plug cock 9 one or both outlets 15 and 16 can be closed. The cock body 7 may have a cleaning hole extending through a portion 18, the cleaning hole being normally closed by a screw plug.
Patent GB-771152-A (GB)
Title: Preparation of cyclic ketals
Inventor: O PHILIP FRANKLIN BEAL
IPC: C07J75/00
Filed: 1955-06-08
Abstract: A 3-cyclic ketal of an alkyl 3-keto-11-(b )-hydroxy - 4,17(20) - pregnadiene - 21 - oate is obtained by reducing with sodium borohydride a 3-cyclic ketal of an alkyl 3,11-diketo-4,17(20)-pregnadiene-21-oate having the formula <FORM:0771152/IV(b)/1> wherein R is hydrogen or a lower alkyl group containing 1-8 carbon atoms inclusive, and n is one or two.  The reaction may be effected in an aqueous alkali containing lower alkanol as the reaction solvent and at a reaction temperature between 35 DEG  to 50 DEG  C.  Subsequently the 3-cyclic ketal of the alkyl 3-keto-11(b )-hydroxy-4,17(20) - pregnadiene - 21 - oate may be reduced with lithium aluminium hydride to produce the 3-cyclic ketal of 11b ,21-dihydroxy4,17(20) - pregnadiene - 3 - one.  An example discloses the production of the 3-ethylene glycol ketal of methyl 3-keto-11(b )-hydroxy4,17(20) - pregnadiene - 21 - oate and of the 3-ethylene glycol ketal of 11b ,21-dihydroxy-4, 17(20) - pregnadiene - 3 - one.  Other 3 - ketals are prepared in a similar manner.
Patent GB-832212-A (GB)
Title: Improvements in the synthesis of carboxylic acids from olefinic compounds, carbon monoxide and water
IPC: C07C51/14
Filed: 1956-05-28
Abstract: Carboxylic acids are made by reacting olefinic compounds with carbon monoxide and water at an elevated temperature and at an elevated pressure in the presence of a carbonyl or an organic acid salt capable of being converted to a carbonyl of a metal of the VIII group of the Periodic Table, the reaction being conducted in liquid phase by using an inert watermiscible organic solvent in which the olefinic compound, the reaction product and the catalyst are soluble, the value of the ratio of the weight of water plus the weight of olefinic compound to the weight of solvent being less than, equal to or only slightly greater than the value required for the homogeneity of the liquid phase.  Solvents mentioned are acetone, dioxane, ethylene glycol dimethyl ether, dimethylformamide and N-formyl-piperidine. Examples illustrate the preparation of hexahydrobenzoic acid, butyric and iso-butyric acids, a mixture of C9-aliphatic acids and dicarboxylic acids containing 5 carbon atoms.
Patent GB-283791-A (GB)
Title: Improvements in or relating to refractory material
IPC: C04B35/16
Filed: 1927-06-22
Abstract: 283,791. Goldschmidt, V. M., and Knudsen, R. June 22, 1927. Refractory substances. - Furnaces and other apparatus which are exposed to heat or chemical action are constructed of natural olivine rock, in the form of either rough pieces as quarried, or blocks &c. sawn or ground to shape, or agglomerated masses obtained by heating the disintegrated rock with or without a binding agent. Suitable binding agents are colloidal magnesium silicate, magnesium oxide, magnesium hydroxide, talc, lime, clay, as well as organic binders of a bituminous nature. Specification 284,576 is referred to.
Patent GB-689981-A (GB)
Title: Improved device for sorting stones from potatoes
IPC: B07B13/11
Filed: 1950-07-04
Abstract: 689,981. Separating or sorting solid materials. BRICE. A. Sent. 27, 1951 [July 4, 1950], No. 16596/50. Class 117 To separate stones from potatoes, the mixture is fed on to a flat surface or disk rotating in a plane inclined to the horizontal whereby, due to the different frictional resistances afforded by the surface, the stones and potatoes are discharged from the surface at different positions. Fig. 1 is a plan view looking along the' axis of the rotating disk 4, Figs. 2 and 3 are sections taken on the lines 2-2 and 3-3 respectively. The mixture is fed down a shoot 5 to the central area of the disk 4, which rotates in the direction of the arrow R, and the potatoes are carried frictionally and by centrifugal force along lines x towards the upper part of the disk, whilst the stones slip downwards along the lines y. Stationary baffle plates 6, 8 of the shape shown in Fig. 1, and extending at right-angles to the plane of the disk, guide the potatoes to a shoot registering with the radial outlet. A further radial baffle 7 limits the movement of the stones, which pass beneath a suspended flexible curtain 9 preferably formed of chain mesh. The upper edge of the curtain has its ends connected to the baffles 7, 8 whilst its lower edge rides on the rotating disk 4. When in operative position, the disk 4 may be inclined at about 30 degrees to the horizontal, with the point A highest, and the point B lowest. The upper surface of the disk may be of polished chromium or glass.
Patent GB-296838-A (GB)
Title: Improvements in or relating to alternating current rectifying installations
IPC: H02M7/08
Filed: 1927-06-22
Abstract: 296,838. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken), June 22, 1927. Arc apparatus, arrangement of. - A D.C. load is supplied from an A.C. source through a plurality of gasfilled incandescentcathode rectifiers connected in parallel so that in the event of failure of the one which normally operates owing to its starting voltage being lowest, one of the others, not normally operating owing to requiring a higher starting voltage, is automatically caused to operate. The arrangement shown comprises two such rectifiers 1, 2 each having two anodes associated with opposite halves 3, 4 of a transformer secondary so as to utilize both halves of the A.C. wave in the load circuit 6 which' is connected in series with a resistance 5.
Patent GB-1334943-A (GB)
Title: Semiconductor element
IPC: H01L29/00
Filed: 1971-05-24
Abstract: 1334943 Semi-conductor devices BROWN BOVERI & CO Ltd 24 May 1971 [26 May 1970] 16690/71 Heading H1K The device shown is a n<SP>+</SP> pin transistor modified to avoid second breakdown by the provision of limiting and auxiliary tunnel junctions in the emitter supply path. The forward-biased limiting junction is defined by n<SP>+</SP> region 2 and p<SP>+</SP> region 3 and the auxiliary tunnel junction by p<SP>+</SP> region 3 and by n<SP>+</SP> region 4 which also forms the emitter region of the transistor. (The auxiliary junction is reverse biased and thus is of low resistance during transistor operation.) It is suggested that two or more tunnel junctions between consecutive layers of alternately opposite conductivity type may be incorporated in power diodes or in the main current paths of thyristors.
Patent GB-316379-A (GB)
Title: A device for demonstrating the control effects of thermostats in heating apparatus
IPC: G05D23/185
Filed: 1928-06-08
Abstract: 316,379. Main, Ltd., R. & A., Wortley, G. W., and Robinson, H. N. June 8, 1928. Models with characteristic movements. - A device for demonstrating the control effects of thermostatically controlled gas valves in heating apparatus comprises, for instance, a gas-oven 1 having a door which is automatically opened and shut at intervals and a thermostat head 37 automaticallv rotated at non-coincident intervals. Pressure gauges 2, 6 indicate the gas pressure in respectively the main 3 and in the length of pipe 7 leading from the thermostat 4 to the burners, and a thermograph or the like 5 gives the temperature of the oven. The mechanism is located at the back of the oven and comprises a dooropening crank 36, Fig. 3, intermittently rotated through a half revolution at a time by a constantly rotating pinion 26 which is swung into engagement with its operating pinion by a constantly rotating cam 21. The thermostat head 37 is chain-geared to a wheel 54 which is similarly intermittently rotated by a pinion swung into and out of engagement, by a cam 21<1> rotated by backgearing 38 so as to rotate more slowly than the cam 21. The direction of rotation of the chain-wheel 54 is changed after a given number of revolutions by mechanism consisting of a rocking detent 50 fixed on a shaft 46 and engaging by its end pins 51 on bevel wheel 48 loosely carried by the shaft 46. The detent 50 being in engagement with one or the other of the pins 51 causes that wheel to rotate with the shaft 46 and to turn a crown wheel 52. A peg 56 on the wheel 52 comes at intervals into contact with the detent 50 and throws it over to change its engagement.
Patent GB-594842-A (GB)
Title: Improvements in or relating to a windshield cleaner
IPC: B60S1/38
Filed: 1945-07-02
Abstract: 594,842. Windscreen wipers. TRICO PRODUCTS CORPORATION. July 2, 1945, No. 16786. Convention date, Nov. 10, 1944. [Class 138 (i)] A windscreen wiper blade comprises an inner ply 8, Figs. 2 and 4, of rubber or the like which is normally in contact with the screen and outer plies 9 also of rubber or the like, but of lower friction coefficient, separated from the ply 8 by spacers 10. In the event of only slight wetness of the screen, causing excessive clinging of the ply 8 to the screen, which would normally slow down the movement of the blade, the forwardly-disposed ply 9 comes into wiping operation as in Fig. 4, thereby reducing the amount of cling by bearing part of the force with which the wiper is pressed against the screen, so that the operation of the wiper is not retarded.
Patent GB-1119193-A (GB)
Title: Pigmented plastics material
IPC: B44F5/00
Filed: 1966-04-16
Abstract: 1,119,193. Ornamenting. J. P. WARING. 28 March, 1967 [16 April, 1966], No. 16787/66. Heading B6G. [Also in Division B5] Pigmented moulded plastics material is produced by applying a dye or pigment to a setting thermoplastic plastics material in a transparent mould, and allowing the material to set. The plastics material is preferably an unsaturated polyester resin and the pigment an organic or inorganic compound in suspension or solution, for example red lead or a pearl essence comprising bismuth oxychloride dispersed in dibutyl phthalate. Subsequent layers may be applied before the first layer sets; these layers may optionally be coloured; the final layer may be dark or opaque and a backing such as strawboard, plywood, timber, concrete or breeze block applied, forming a building element. Objects may be embedded in the resin by laying them on an initial layer of resin and objects which have to be accurately positioned such as letters, may be stuck to the base of the mould so that they are inlaid in the surface of the finished article. The mould may be a vacuum moulding of 6 thousandths of an inch polyvinyl chloride, or may be made of cellulose acetate, cellulose acetate butyrate, acrylic plastics or glass.
Patent GB-718994-A (GB)
Title: Improvements relating to dynamo-electric machines
Inventor: FINLEY GILBERT RALPH
IPC: H02K5/14
Filed: 1952-07-04
Abstract: 718,994. Coils for dynamo - electric machines. LUCAS (INDUSTRIES), Ltd, J. July 3,1953 [July 4, 1952], No. 16844/52. Class 35 A small dynamo-electric machine has a stator coil of the bobbin type having a lateral extension to which brush holders and terminal connections are attached. Fig. 1 shows a windscreen-wiper motor having a stator winding b on a bobbin a provided with a lateral extension d to which brush holders j and terminal connectors h are attached.
Patent GB-885542-A (GB)
Title: Improvements relating to engine starting systems
IPC: F02C7/272
Filed: 1958-05-27
Abstract: 885,542. Gas turbine plants. GARRETT CORPORATION. May 27, 1958 [May 29, 1957], No. 16922/58. Class 110 (3). [Also in Group XXVII] An engine starting system for starting a gas turbine power plant comprises two turbine rotor units mechanically interconnected and arranged to be driven from different sources of motive fluid, means being provided whereby the inlet and outlet of one of the turbine rotors are connected to spaces at substantially the same pressure so that this rotor will act as a compressor to provide a braking effect to prevent overspeeding when the second turbine rotor is being driven. The starter shown comprises a rotor 12 having centripetal-type turbine blades 13 on one face and impulse-type turbine blades 14 on its other face. The rotor comprises a stub shaft 30 mounted in bearings 32, 33 and formed with gear teeth 34 which mesh with gears 35 each mounted on a shaft 36 rotatably mounted in bearings 40, 41 in a fixed casing part. The shafts 36 also carry pinions 42 which engage with internal teeth on a ring gear 43, the ring gear being rotatably mounted on a bearing 44 and forming the inner member 45 of an overrunning clutch. The outer member 46 of the clutch is rotatably secured to the output shaft 11 by means of a spline connection 50. Air under pressure may be supplied through duct 23 controlled by valve 84 and passes through inlet nozzles 62 to act on the centripetal turbine blades 13, the air discharging through outlets 60 to atmosphere. Air may alternatively be supplied to the inlet nozzles 62 through duct 24 under the control of valve 81. When using air under pressure there is no risk of overspeeding when the starter turbine is disconnected upon the engine starting. Starting may alternatively be effected by the firing of a cartridge 27 in the breech chamber 20, the high-pressure combustion gases discharging through nozzles 16 to impinge on the turbine impulse blades 14, the gases discharging to atmosphere through outlet 23. To prevent overspeeding of the rotor when the starter becomes disconnected from the engine, the rotor blades 13, during this operation act as an inefficient centrifugal air compressor, air being drawn in through ducts 60 and being discharged together with the turbine exhaust gases through duct 23. Two gas turbine engines 71, 72 are shown mounted on the wing 70 of an aircraft, each engine having a starter 73, 74. At least one of the starters has a cartridge unit similar to that shown in Figs. 1 and 2 and once its associated engine has been started, air is tapped from its compressor through duct 76 to the common manifold 75, and the other engines may be started by means of this low-pressure air through duct 80. The engines may alternatively be started by means of air from an external supply through inlets 83.
Patent GB-425659-A (GB)
Title: Modulation circuit for use in superheterodyne radio receivers and for like purposes
IPC: H03J3/28
Filed: 1934-06-08
Abstract: 425,659. Valve circuits for wireless reception. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.-(Assignees of Harnett, D. E. ; 16, Puritan Avenue, Tuckahoe, New York, U.S.A.) June 8, 1934, No. 17002. Convention date, Aug. 12, 1933. [Classes 40 (iii) and 40 (v)] The circuits of the frequency-changing stage of a superheterodyne receiver are so arranged that the same variable condenser serves for tuning the receiver to the incoming signal and for tuning the local oscillator. As shown in Fig. 2 applied to a superheterodyne receiver, the input from the aerial coil L1 is applied to a tuned circuit comprising a coil L2 and a tuning- condenser C2 connected across the grid and cathode of a pentode mixing-valve 15. The local oscillation is generated by a back-coupled valve 17, the tuned grid circuit of which comprises the tuning-condenser C2, a small condenser C3, a large blocking condenser C4 shunted by a resistance R4, and a coil L3. The frequency of the local oscillator is considerably higher than that of the incoming wave, so that the impedance of the network for the high local frequency is not materially affected by the coil L2, while the impedance for the lower incoming frequency is not materially affected by the branch C3, L3, C4. The difference frequency, which is fed from the plate of the valve 15 to the amplifier 20, is higher than usual. Any local oscillation fed to the aerial 11 by the coil L2 is balanced by a circuit connected from the plate reaction coil L4 through a condenser C1 to the aerial. The local oscillator employs magnetic reaction L4, L3 combined with capacity reaction due to the condenser C4 situated in both grid and plate circuits. An amplifier may be interposed between the aerial and the coil L2, Fig. 3, (not shown), or a multiple-grid valve may combine the functions of the valves 15, 17, Fig. 4, (not shown).
Patent GB-477004-A (GB)
Title: Rack bar for ratchet jacks and like purposes
IPC: B66F1/06
Filed: 1936-06-18
Abstract: 477,004. Making toothed gearing. RYERSON & HAYNES, Inc. June 18, 1936, No. 17003. Convention date, June 22, 1935. [Class 83 (ii)] [Also in Groups XXX and XXIV] In a standard for a ratchet lifting - jack comprising a sheet-metal casing 10 of substantially trapezoidal cross - section with teeth formed on the wider of the two parallel sides by a diepressing operation, the teeth project for equal distances into and beyond the surface of the wall of the casing so that the pawlsupporting ledges 22 are in the plane of the undeformed tube. The meeting edges form a joint at 12 which preferably is at the centre of the shorter parallel side, but may be elsewhere, and such edges may be welded together or left unattached. In forming the teeth sufficient clearance is left in the dies to avoid severance of the material between adjacent ribs 24, and so that the webs or ledges 22 are of substantial thickness.
Patent GB-1014413-A (GB)
Title: 3,3-alkylenedioxy-17ª‡-hydroxy-18-nor-d-homo-5,12-androstadien-11-one and its intermediates and the production thereof
IPC: C07J75/00
Filed: 1962-11-13
Abstract: The invention comprises 3,3-alkylene-dioxy-11 - oxo - 3,17 - seco - 5,12 - androstadien - 17-oic acid wherein the alkylene moiety has 2 or 3 carbon atoms, 17-alkyl estesr thereof wherein the alkyl radical has 1-10 carbon atoms, 3,3-alkylenedioxy - 17 - hydroxy - 18 - nor - D-homo - 5,12,17 - androstatrien - 11 - one, 3,3-alkylenedioxy - 17a hydroxy - 18 - nor - D - homo - 5,12 - androstadien - 11 - one and processes for the preparation thereof by treating 3,3 - alkylenedioxy - 17a - aza - D - homo - 5-androstene-11, 17-dione with an alkaline substance to produce 3,3 alkylenedioxy-11-oxo-13, 17 - seco - 5,12 - androstadien - 17 - oic acid, esterifying this compound with diazoalkane to obtain the corresponding 17-ester, treating the 17-ester with alkali metal alkoxide in an inert organic solvent while heating to obtain 3,3-alkylenedioxy - 17 - hydroxy - 18 - nor - D-homo - 5,12,17 - androstatrien - 11 - one, and treating this compound with a metallic hydride to obtain 3,3-alkylenedioxy-17a -hydroxy - 18 - nor - D - homo - 5,12 - androstadien-11-one.
Patent GB-596344-A (GB)
Title: Improvements in and relating to combs
IPC: A45D24/04
Filed: 1945-07-04
Abstract: 596,344. Combs. STEPHAM, J. July 4, 1945, No. 17091. [Class 131] Combs are provided with tooth units, which may comprise one or more teeth, mounted for pivotal movement against the action of a spring so that the teeth accommodate themselves to the shape or curvature of the head. As shown in Fig. 1 the tooth units are mounted in the comb frame by means of a pivot rod which passes through a bore in the units the tooth units 6 being provided with bifurcated upper portions 7 through which pass a leaf spring or springs 23 which tend to keep the units in alignment but permit pivotal movement of one or more units. The pivot rod 11 is provided at one end with a knob 12 by which the rod 11 is inserted in position the other end 15 being reduced and entering into a conical sleeve 17 and a clutch 18, 19. When the rod 11 is pressed right home against the action of the spring 14 the clutch 18, 19, which has been retracted meanwhile against the action of a spring 21, is released and grips the reduced end 15 to hold the rod in position. Fig. 7 shows a portion 28 of the frame which is provided to permit pivoting in one direction only. A spiral spring may replace the leaf spring.