baber/WOPTO huggingface dataset:
Patent GB-141715-A (GB)
Title: Improvements in and connected with steam driven air-craft
IPC: B64D27/24
Filed: 1920-04-13
Abstract: 141,715. Wagner, R. March 31, 1916, [Convention date]. Addition to 140,081, [Class 4, Aeronautics]. Ventilating aircraft.-In steam-turbine installations for aircraft as described in the parent Specification, the boilers are arranged in a closed compa.rtment put under air pressure at high altitudes. In the hydro-aeroplane shown, two boilers dare arranged in a compartment a adapted to be put under pressure by a blower b. The cabin c also may be put under pressure. Each boiler is provided with two nests of water-tubes e, and the outlets h for combustion gases may be of ejectorlike formation as shown, so that the outflow of gases is increased by the action of the air-stream.
Patent GB-1212762-A (GB)
Title: Pressure vessels or pressure containers
IPC: B01J3/04
Filed: 1968-03-04
Abstract: 1,212,762. Making pressure vessels. L. & C. STEINMULLER G.m.b.H. 4 March, 1968 [3 March, 1967], No. 10386/68. Heading B3A. [Also in Division B1] A pressure vessel with walls of helically wound tubes is formed by winding one or more tubes around a former M, welding them together on the outside of the helix during winding, removing the former and welding the tubes together on the inside. The inner surface may be clad with a plate. The tubes are used for fluid flow to extract or provide heat from or to the contents of the vessel. The container may be conical or cylindrical closed by covers and the tubes of various cross-section.
Patent GB-304712-A (GB)
Title: Improvements in speed regulating systems for electric motors
IPC: H02P7/06
Filed: 1928-04-05
Abstract: 304,712. Electrical Research Products, Inc., (Assignees of Stoller, H. M.). Jan. 25, 1928, [Convention date]. Speed-regulating systems. - To correct speed-changes of an electric motor 4, a centrifugal governor 17 moves an inductive coil 12 and thus disturbs a balance between two inductive coils 13, 14 connected in a circuit deriving alternating current from transformer windings 15, 16. The disturbance sets up a discharge through a thermionic valve 21 connected across points of the circuit normally at equal potentials, the discharge current being rectified and amplified by valves 22, 23 so as to affect a regulating fieldwinding 6 of the motor 4. When the motor is a direct current machine as shown, alternating current for the primary of the various transformer windings is derived from armature tappings and slip-rings 8. For an alternating- current motor the connection is effected through a variable inductance device in the motor feed circuit.
Patent GB-541898-A (GB)
Title: Improvements in or relating to the purification of resinous rubber transformation products
IPC: C08C19/10
Filed: 1940-06-15
Abstract: 541,898. Rubber transformation products. ALBERT PRODUCTS, Ltd., and MARTIN, S. R. W. June 15, 1940, No. 10429. [Class 70] Resinous rubber transformation products obtained by heating vulcanized or unvulcanized rubber with one or more phenols and one or more acids or anhydrides having an isomerizing action, with or without a solvent for rubber, are purified by washing a solution of the crude products in a suitable solvent, with a mixture of one or more phenols and water not substantially miscible with the solution. The remaining phenol may be washed out with a mixture of alcohol and water or by solid caustic soda or lime. The solvents used may be aliphatic or aromatic hydrocarbons. Specification 539,641 is referred to.
Patent GB-277890-A (GB)
Title: Cushion tires & process of making the same
IPC: B60C7/12
Filed: 1927-04-19
Abstract: 277,890. Peters, A. B. April 19, 1927. Moulding wheel tyres. -A cushion tyre is built up by first filling the rim 1 with plastic material 2, applying a rubber tube 3 and cover 6, enclosing in a mould, inflating the tube through a vent 4, and finally vulcanizing under pressure.
Patent GB-436099-A (GB)
Title: Improvements in or relating to aircraft and other vehicles and the like
IPC: B64D15/16
Filed: 1934-04-07
Abstract: 436,099. Preventing ice forming on aircraft, vehicles, &c. RAMSBOTTOM, J. E., LOCKSPEISER, B., and STEWART, C. J., Royal Aircraft Establishment, South Farnborough, Hampshire. April 7, 1934, No. 10549. [Classes 4 and 114] [See also Group X] A permeable covering is incorporated with the leading edges of aircraft, propellers, vehicles, &c., and maintained in contact with one or more apertures in a tube or chamber through which variable quantities of ice preventing liquid, under pressure, may be injected into the under surface of the covering for rapid diffusion toward and through its outer surface. As shown applied to the leading edge of an aircraft wing, Fig. 5, a rubber tube 1 filled with ethylene glycol at a pressure of 20 lbs. per square inch is attached between two strips of rubberized fabric 2, 3. A strip of rubberized fabric 7 is secured by adhesive to the surface of entry of the wing and the fabric 3 secured thereto so that the tube 1 coincides with the extreme edge of the surface of entry. The tube is punctured along its forward side with a series of triangular punctures forming valvular holes and the tube is then covered by a strip of permeable absorbent material 4 such as leather secured by strips 5, 6 of rubberized fabric. In Fig. 6 a moulded rubber cap of diminishing section along the wing forms chambers 12 with the leading edge of the wing, the cap being perforated with holes 13 and covered with the leather strip 4. In Fig. 8, an air-screw boss 16 is provided with a centrifugal feeder ring supplied by liquid from a pipe 14. Hollow bolts 18 lead the liquid to the leading edge of the blade which is provided with a leather strip, which may be covered by wire gauze, forming a duct through which the liquid flows along the length of the leading edge of the blade. The liquid used may be glycerine or solutions of inorganic compounds and may contain colloidal ingredients and a wetting- agent such as soap &c.
Patent GB-1064596-A (GB)
Title: Dyeing and printing of fibrous materials based on cellulose esters or aromatic polyesters
Inventor: HEINRICH ERNST
IPC: D06P3/34
Filed: 1966-03-10
Abstract: Monoazo dyes of the formula <FORM:1064596/C4-C5/1> wherein R is alkyl, alkenyl or hydroxy-, alkoxy- or halogeno-alkyl and R1 is alkyl, may be made by diazotization and coupling and are used to dye or print fibres of cellulose esters or aromatic polyesters.ALSO:Fibres of cellulose-2 1/2 - or tri-acetate or aromatic polyesters are dyed or printed using an aqueous dispersion of a dye of the formula <FORM:1064596/D1-D2/1> wherein R is alkyl, alkenyl or hydroxy-, alkoxy- or halogeno-alkyl and R\sv is alkyl. Dyeing or printing may be effected at 80-110 DEG C. in the presence of a carrier or at 110-140 DEG C. without a carrier or by padding or printing followed by a heat treatment at 180-230 DEG C.  Examples are given.
Patent GB-632284-A (GB)
Title: Improvements in or relating to apparatus for transmitting and receiving compressional wave energy
IPC: G10K11/34
Filed: 1943-06-29
Abstract: 632,284. Audible and like signaling apparatus. SUBMARINE SIGNAL CO. June 29, 1943, No. 10565. Convention date, July 22, 1939. [Class 118 (ii)] [Also in Group XXXIX] In compressional-wave transmitting or receiving apparatus having a radiating or receiving surface large compared with the wavelength, in order to produce a directional pattern with small side lobes, the amplitude of vibration is varied across the surface, with maximum at the centre, by using different mass-transformation ratios in the mechanical part of the system or different numbers of ampere-turns in the electrical part. The apparatus may comprise electrodynamicallyoperated concentric tubes or magnetostrictivelyoperated elements arranged in concentric rings and the variation in mass-transformation ratio may be obtained by varying the dimensions of the radiating surface or the dimensions or spacing of the tubes or rings (see Group XXXIX). The variation in the number of ampere-turns may be effected by giving the same number of turns to the coils 9 ... 12 and varying the excitation by tappings 27 ... 29 to the A.C. source, or by varying the number of turns and exciting all with the same current, Fig. 7 (not shown). In the case of magnetostrictive apparatus, D.C. polarizing current is supplied, in the former case, to all the coils in series, but, in the latter case, from potentiometer tappings in order to equalize the polarizing fluxes. The amplitude - distribution may follow the law set out in Specification 632,285 and means may be provided for transmitting and receiving with different directional patterns as described in Specification 632,294.
Patent GB-105660-A (GB)
IPC: B63H23/24
Abstract: 105,660. British Thomson-Houston Co., (General Electric Co.). June 5, 1916. Systems for alternating- current motors oniy. -- In a system of electric propulsion for ships, the propellers are driven by induction motors supplied from main and auxiliary generators driven by turbines. For full-speed the motors are supplied from the main generator, and for cruising speeds from the main and auxiliary generators connected in parallel. The main generator 6, which is preferably a polyphase synehronous machine of the revolving field type, is driven by the main turbine 5 and is shown connected to a propeller motor 8 through the switch 26. The auxiliary generator is an induction generator with an armature 22 driven by the main turbine 5 and carrying a winding which may be connected to the motor 8 through the switch 24. The field structure 20 of this machine is driven by an auxiliary turbine 11. For high-speed running the switch 24 is opened and the switch 26 is closed; the steam valves 16, 18 are closed and the valve 17 is opened. The generator 6 is driven to supply the motor 8, and the armature 22 of the induction generator rotates idly. Speed variations may be obtained by varying the position of the valve 42 which controls the admission of steam. For cruising speeds, the switches 24, 26 are closed, the valve 17 is closed and the valves 16, 18 are opened. The main turbine 5 then operates with the exhaust steam from the auxiliary turbine 11. Both generators are driven and are connected in parallel across the motor the frequency of the current supplied being lower than in the high speed connexion. Lower speeds may be obtained by changing the number of poles on the motor. In a modification the armature of the induction generator is not driven by the main turbine, but remains stationary, and the field structure is driven by the auxiliary turbine through speed reducing gearing. The governor 40 controlling the valve 41 may be of the type described in Specification 3027/13, [Class 110, Turbines &c.], and the governor 43 which acts in conjunction with a hand-lever to control the valve 42 is of the type described in Specification 3026/13, [Class 57, Governors &c.].
Patent GB-146664-A (GB)
Title: Improvements in or relating to the propulsion of aerial machines
IPC: B64C11/00
Filed: 1919-04-29
Abstract: 146,664. Grafham, A. J. April 29, 1919. Steering and balancing; propelling; parachutes; planes and the like, construction of.-Aerial machines have a rotary propeller comprising fan members 1, each having a number of collapsible or foldable elements which, during rotation, move in the general plane of the members so as to present a varying effective surface to the air. Each member comprises two pivoted radial arms 18, between which pleated flexible material is disposed, the pleats being opened or closed by the approach or separation of the arms, which have frames 20 carrying rollers 19 in engagement with circular disks 9. These disks are eccentrically mounted on the propeller shaft 5. and are carried by bars 11 riveted to an extension 13 of a frame 14. To vary the positions in which the fans 1 are open or closed, the frame 14 is rotated upon an extension 15 of the bearing 16, and also upon a guide 25, the weight of the frame being taken by a hook 17 engaging the extension 15. To enable a safe descent in case of engine trouble, the hook 17 is released and the frame 14 lowered together with the disks 9, while spring catches 28 on the inner surface of one or both of the disks engage the roller of the lowest fan to lock the fans in position. The horizontal fans will then occupy an extended position, Fig. 6. The fans may be mounted in pairs driven by the same shaft, but the disks belonging to the fans on one side of the machine may be adjusted independently of those on the other side. The fans are supported by radial rods 7 of spring steel, and are opened by tension springs 21 and by springs inserted between the folds of the fans near their centre. The Provisional Specification states also that the fans may open by gravity.
Patent GB-579606-A (GB)
Title: Improvements in or relating to metal rolling mills
IPC: B21H1/06
Filed: 1944-06-02
Abstract: 579 ,606. Rolling annular bodies. BOOL, E. D:, and BRIDGE, J. F. June 2, 1944, No. 10676. [Class 83 (iv)] A mill for the cold or hot rolling of rings comprises side housings 10 with fixed bearings for a top roll 5 and a bottom roll 6. Straps 12 journalled on the bottom roll inside the housings 10 carry bearings for an intermediate roll 7 and the pass is formed between the rolls 5 and 7. The straps are extended, for pass adjustment, as levers 14 controlled by hydraulic cylinders 15 on a screw 16. Reinforcing rings 17 surround the rolls 5, 6 and are maintained in position axially by a grooved sleeve 18 loose on the bottom driving shaft 19 of the mill which is geared to the roll 7. The ring to be rolled is confined between the rings 17 which may have further supporting sleeves such as 18. The bottom roll 6 may be driven, the roll 7 being then driven by contact with the roll 6.
Patent GB-1445550-A (GB)
Title: Apparatus and process for forming gears by extrusion gas-producing composition for producing non-toxic gases
IPC: B21C23/14
Filed: 1975-03-14
Abstract: 1445550 Extruding; making gears; sizing bores; punching FORD MOTOR CO Ltd 14 March 1975 [30 April 1974 8 Aug 1974] 10695/75 Headings B3P B3A B3H and B3W A gear is formed by partially extruding a hollow blank 22 through an extrusion die 90 having internal teeth 100 by means of a sleeve 94 surrounding a mandrel 98, placing a second blank 22 adjacent the partially extruded blank 22, Fig. 10A, after retracting the sleeve 94 and mandrel 98 and then partially extruding the second blank 22 to complete the extrusion of the first blank 22. During the withdrawal and subsequent advancement of the mandrel 98, the inside diameter of the extruded blank is sized by a land 104 on the end of the mandrel 98 or by providing a tapered mandrel. The teeth 100 of the die 90 may be helical or straight. The hollow blank 22 is prepared by squaring and sizing a solid cylindrical blank 22 using punch and die sets (Figs. 1 and 2, not shown), cupping the sized blank 22 by backward extrusion (Fig. 3, not shown) and finally removing a web (64) from the cupped blank by a piercing punch (78) (Fig. 3A, not shown).
Patent GB-500541-A (GB)
Title: Improvements in and relating to aeroplanes
IPC: B64C39/04
Filed: 1937-12-28
Abstract: 500,541. Aeroplanes. HAMBURGER FLUGZEUGBAU GES., and VOGT, R. Dec. 28, 1937, No. 10719. [Class 4] An aeroplane is asymmetrical in plan form, having the propelling means arranged on one side of the centre line of the supporting surfaces and a fuselage or nacelle on the other. In one form, an engine 2 is arranged on one side of the plane centre line a, a and a fuselage 1 on the other. The thrust axis is offset by an angle alpha and fins 4, 5 are also offset to counteract yawing. The leading edge of the tail plane is swept back by an angle y for the same purpose. The torque reaction of the air-screw may be balanced by suitable disposition of the centre of gravity with relation to the centre of lift. Modifications are described in which the engine nacelle or both the engine nacelle and the fuselage carry the tail unit and in which engines and airscrews are arranged in tandem.
Patent GB-591164-A (GB)
Title: Improvements in or relating to blocking circuits for signal receivers
IPC: H03K5/07
Filed: 1945-04-27
Abstract: 591,164. Pulse modulation. STANDARD TELEPHONES & CABLES, Ltd. April 27, 1945, No. 10726. Convention date, March 3, 1944. [Class 40 (v)] To alternately block or unblock a valve having a control electrode, an A.C. voltage of rectangular waveform is generated and a D.C. component inserted of such a value as to bring the positive-going peaks to zero potential, the resultant voltage wave being . applied to said control electrode. As shown, valve 19 is arranged to , amplify time-modulated signal pulses 10, of carrier frequency, applied to its tuned input circuit 16, 17. A square wave A.C. generator 41 synchronized by the signal pulses feeds a load resistance 50 through a D..C. insertion circuit comprising condenser. 45, diode 47 and resistance-capacity, network , 67, 58. Resistance 50 and decoupling network 55, 20 are included in the grid circuit of valve 19 so that the modified unblocking pulses from generator 41 are applied to the control grid 18 together with the signal pulses. Distortion of the rectangular waveform , of the unblocking voltage by the decoupling circuit 55, 20 is corrected for by suitable choice bf,.componentº 57, 58 and the final pulse shape is arranged to have a, rounded leading edge to minimize shock excitation of tuned circuit 16, 17. Further stages such as 34 may be unblocked by pulses from resistance 50 fed through,decoupling circuits such as 63.
Patent GB-1469961-A (GB)
Title: Railway vehicle truck
IPC: B61F5/24
Filed: 1974-03-11
Abstract: 1469961 Railway vehicle bogie BUDD CO 11 March 1974 [12 March 1973] 10772/74 Heading B7L A railway vehicle bogie includes side frames 20 connected by transom bars 25 so as to permit relative movement between the side frames, and a bolster 42 connected to the bogie by air springs 36 and 40 and by anchor bars 65 permitting relative longitudinal movement between the bolster and side frames, the bolster being provided with a central frame 41 for receiving a king post connection between the bolster and a car body and with bearings 56 for supporting the sides of a car support on said bolster. The axle units are connected to the side frames as described in patent Specification 1,364,935. The anchor bars 65 are connected between depending arms 66 on the bolster and brackets 67 on the side frames, elastomeric sleeves 68 on the anchor bars providing a yieldable connection. A torsion rod 75 extending between the side frames and carrying outer arms 78 is connected to the bolster by anti-roll rods 80. The transom bars 25 are welded at one end 26 to the side frames and received in resilient bushings 31 in the opposed side frame. The central frame 41 depending from the bolster is secured to air springs 40 carried by the side frames, supplementary air reservoirs being provided by air tanks 60. Bumpers 88 limit lateral movement of the bolster relative to the side frames. The central frame has an upstanding cylindrical rim 41c for receiving the king post of a car transom.
Patent GB-1465367-A (GB)
Title: Method of manufacturing light sensitive heterodiode
IPC: H01J9/20
Filed: 1974-03-11
Abstract: 1465367 Semi-conductor devices; pick-up tubes HITACHI Ltd and NIPPON HOSO KYOKAI 11 March 1974 [12 March 1973] 10795/74 Headings H1D and H1K A light sensitive element, which may be employed as the target of an image pick-up tube, is manufactured by forming an n-type transparent semi-conductive layer 2 on a transparent substrate 1 and depositing a p-type photoconductive layer 3, consisting mainly of a chalcogenide containing selenium, on the n-type layer 2 to form a rectifying junction therewith, the surface of the n-type layer 2 being smoothed before the p-type layer 3 is deposited. The surface of the n-type layer 2 may be smoothed by removing at least 30% of the thickness of the layer 2, by plasma etching with inert gas ions or by mechanical polishing. The n-type layer 2 may be formed by r.f. sputter deposition and it may include indium oxide, titanium oxide, tantalum oxide, thallium oxide or zinc oxide or a mixture thereof and it may have a thin second layer (17), Fig. 11 (not shown), of CdS, CdSe, ZnS or ZnSe or a mixture thereof on it, which is also smoothed before deposition of the p-type layer 3.
Patent GB-1369951-A (GB)
Title: Method for preparing acrylonitrile polymer fibres having a chemical curl
IPC: D01F6/18
Filed: 1973-03-06
Abstract: 1369951 Curled acrylonitrile fibres AKZO NV 6 March 1973 [7 March 1972] 10813/73 Heading B5B  Curled acrylonitrile polymer fibres are prepared by spinning solutions of acrylonitrile polymers in a first bath having a low coagulating power and a temperature below 30‹ C., containing 1,1,1-trichloroethane or mixtures thereof with less than 25% of an acrylonitrile polymer solvent so that the filaments are incompletely coagulated, the residence lime in the first bath being less than 2 minutes, drawing the filaments in a second bath having a higher coagulating power and between 60‹ C. and the boiling point, so that coagulation is rapidly completed, and subsequently scalding, drying, and steaming the untensioned fibres in the free state. The fibres have a re-entrant kidney-shaped cross-section forming at least two large elongate lobes, and a compact peripheral structure of variable thickness enclosing a less dense internal structure, which may be porous, producing structural asymmetry. The sides of the elongate lobes may be indented.
Patent GB-653503-A (GB)
Title: Improvements in or relating to fastenings for masonry walls
IPC: B25C1/12
Filed: 1947-04-23
Abstract: 653,503. Nails. TEMPLE, S. A. April 23, 1947, No. 10843. Convention date, July 19, 1946. [Class 89(ii)] [Also in Group XXI] Relates to fastenings mounted by explosive means in masonry and comprises a device having a cylindrical body with a pointed nose and a head of larger diameter adapted to guide the device along the barrel of a gun, the head being screw-threaded for the attachment of fastenings. The device has a flange 17 at the end of the head 18 an undercut 19 being provided between the flange 17 and theexternally threaded portion 20. The device shown in Fig. 3 has a flange 17<1> on the internally threaded head 24. A lock nut can be placed on the externally threaded fastening device or an eye-bolt inserted in the internally threaded fastening. Metal plates may be affixed to walls by these means. The Specification as open to inspection under Sect. 91 comprises also a fastening device from which the screw-threading is omitted. This subject-matter does not appear in the Specification as accepted.