baber/WOPTO huggingface dataset:
Patent GB-391793-A (GB)
Title: Improvements in and relating to protective devices for alternating current dynamo-electric machines
IPC: H02H3/52
Filed: 1931-10-26
Abstract: 391,793. Protective cut-out arrangements. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) Oct. 26, 1931, No. 29673. Convention date, Oct. 25, 1930. [Class 38 (v).] For the protection of an alternator, a relay W<1> is used having a winding s<1> energized from a current transformer d<1> associated with the A.C. winding A, and a winding p<1> connected between the midpoint c of the field winding E, or of an auxiliary winding on the field system, and the mid-point e of a resistance shunting that winding. The primary of the transformer d<1> is energized from two parallel sections of a phase, so that the effect of working-frequency currents in the two halves is neutralized, but harmonics due to mechanical asymmetry in the winding A are able to flow and energize the coil s<1>. When a fault arises, currents of the same frequency are no longer neutralized in the winding p<1>, which accordingly operates the relay. A similar arrangement W<2>, d<2> may be provided for another phase of the winding A, the windings p<1> being connected in series (as shown) or in parallel, or the secondaries of the transformers can be connected 'in series and energize the winding s<1> of a single relay, Fig. 3 (not shown). If the alternator has no parallel sections, an auxiliary winding is provided to embrace one or several of, but not all, the pole-pairs. An auxiliary winding could: also replace the current-transformers in the case of parallel-section windings.
Patent GB-1425492-A (GB)
Title: Input circuit for micro waves
IPC: H03D7/02
Filed: 1973-06-22
Abstract: 1425492 Parametric frequency changers LICENTIA PATENT - VERWALTUNGS GmbH 22 June 1973 [22 June 1972] 29890/73 Heading H3X The signal from a microwave aerial S is applied to a parametric down converter which comprises a reactance diode C1 pumped by a pumping frequency source Up and operating either as a series or parallel type as shown in Figs. 3 and 4 respectively, the down converter being terminated at its image frequency by the real component of the aerial impedance at the signal frequency. The operational relationships for a pumping frequency p, an intermediate frequency z, a signal frequency p+z, an image frequency p - z and a frequency relationship p#z are given by for the series type, or for the parallel type, where R p+z , G p+z  and R p-z , G p-z  are the resistance or conductance of the signal and image circuits, respectively, and R D , G D  represent the resistance or conductance loss component of the reactance diode. The down converter may be transformer coupled to an intermediate frequency parametric amplifier comprising reactance diodes C2, C3, the amplifier operating as a series type in Fig. 3 and a parallel type in Fig. 4. The pumping source Up is common to both the down converter and the amplifier. Alternatively or additionally the I.F. stage may include a tube in grounded grid connection, or a transistor or an F.E.T. in grounded base or gate connection, respectively.
Patent GB-670569-A (GB)
Title: A new or improved sterilizer for small hand tools
IPC: A61L2/00
Filed: 1950-12-07
Abstract: 670,569. Sterillzers for small hand tools. DRISCOLL, F. Dec. 7, 1950, No. 29936/50. Class 81 (i). A sterilizer for small hand tools, e.g. a hairdresser's scissors and comb, comprises a relatively flat container shaped to fit the pocket of a garment and having upper and lower compartments, the upper compartment having a hinged lid at the top front corner and being adapted to hold the tools in side-by-side relationship, the lower compartment being adapted to receive and hold an absorbent element for a volatile antiseptic or disinfectant, and one or other of the two compartments being provided with a perforated division member, allowing the volatilized substance to have access to the said tools. As shown, one form of the device consists of an upper compartment 1 for the tools to be sterilized and a lower compartment 2 for an absorbent pad 9 impregnated with antiseptic, the compartment 2 sliding endwise onto the compartment 1 along the slideways 3. The upper compartment 1 has a lid 4, hinged at 5 and forming a portion of the front top and side walls of the compartment 1. A flange 6 is provided on the lid 4 and a downwardly directed pocket clip 7 on the front wall of the compartment 1. A perforated plate 8 is secured to the lower end of the compartment 1 and remains in position when the lower compartment 2 is removed for recharging. The antiseptic may be vaporized by body heat, in which case the device is shaped to fit the body, or by an electric heating element associated therewith. In a modification, Fig. 3 (not shown), the medicated absorbent is enclosed in a well formed on the near wall of the tool containing compartment and having a perforated plate 13, Fig. 3 (not shown).
Patent GB-1044048-A (GB)
Title: Tunnel diode frequency controlled oscillator
IPC: H03B5/36
Filed: 1963-07-29
Abstract: 1,044,048. Tunnel diode oscillators. GENERAL ELECTRIC CO. July 29, 1963 [Aug. 22, 1962], No. 30022/63. Heading H3T. An oscillator comprises a tunnel diode negative resistance 1 arranged across one diagonal of a resonant bridge having inductive capacitive arms and has a series-resonant frequency-determining element 3 arranged across the other, the bridge being so detuned that changes of resistance of the series resonant element, e.g. with temperature or age, compensate for drift in the frequency of the oscillator. The resonant arms L and C of the bridge are preferably chosen such that the resistances in the other arms are numerically equal to L/C. The bridge then has a constant resistance except when the crystal has a low impedance, at which frequency the bridge has a high impedance and oscillation takes place. The resonant element could alternatively be a tuning fork or a magnetostrictive wire.
Patent GB-629517-A (GB)
Title: Improvements relating to fish-dressing machines
IPC: A22C25/14
Filed: 1947-11-11
Abstract: 629,517. Dressing fish. FISADCO, Ltd. WALKER, W. C., and SCHLICHTING, K. F. Nov. 11, 1947, Nos. 30025/47 and 31803/48. [Class 28(ii)] In a fish-dressing machine, e.g., as in Specification 313,335, [Class 28(ii)], the roe is removed by a tool 11 carrying metal plates or brushes moving in opposite direction to the travel of the fish, such tool being provided between the belly cutting knife 3 and the gill removing tool. The roe remover, carrying radial metal plates 13, 16, is rotated from a drive shaft 8 through an Oldham coupling 25 whereby the gap between cams 23 and 24 on the usual rotary drum 2 carrying the fish round, allows a spring 28 to rock the U- shaped bracket 19 about its pivot 20 and so moves the roe remover 11 inwards into contact with the roes of the fish. The first contacting plates, 13, 16, then lift the lower end of the roe from the fish belly and the succeeding radial plates remove it. An adjusting screw 26 determines the amount of inward movement of the tool 11. The cam 24 then acts on the cam roller 22 to move the tool away from the fish to prevent tearing of the belly. A gap between the plates 13, 16, accommodates the peri. phery of the belly knife 3. The Provisional Specification states that there is a shoot to receive the roes.
Patent GB-773786-A (GB)
Title: Improvements in rotary shaft packings
IPC: F16J15/38
Filed: 1953-10-30
Abstract: 773,786. Stuffing-box substitutes. PEGUET, G. H., and GUYENNON, A. Oct. 30, 1953 March 14, 1953], No. 30068/53. Class 122 (5). A rotary shaft seal comprises a resilient toroidal packing ring 4 closely surrounding the shaft 3 and urged by a spring R against the inner frusto-conical surface of a rotary sealing ring 5 having a radial face thereby urged into rubbing sealing contact with the shaft housing 1, or a part such as a washer 9 secured thereto, the spring and the packing and sealing rings being housed in a sleeve D located in a recess in the shaft housing and having at its outer end an inturned flange 10 to retain the sealing ring within the sleeve. A washer P is interposed between the spring R and the packing ring 4 which is preferably of rubber or like material. In a modification, two sealing rings are urged apart by a spring into rubbing contact with the end faces of a U-shaped casing which may be filled with oil and is fitted in a recess in the shaft housing.
Patent GB-771664-A (GB)
Title: Car retarder speed control apparatus
IPC: B61K7/12
Filed: 1955-10-21
Abstract: 771,664. Fluid-pressure brakes. WESTINGHOUSE AIR BRAKE CO. Oct. 21, 1955 [Oct. 21, 1954], No. 30140/55. Class 103 (1). In car retarder mechanisms such as are used in railway hump classification yards, one or more sections RE1, RE2 are each operable to exert different braking forces according to the manner in which current is supplied to a braking force control circuit, the apparatus including a car weight responsive device 38 arranged for determining the weight of a car prior to its entering the retarder, a plurality of weight storage relays 1S1, 2S1, 3S1 and 1F1, 2F1, 3F1, for each section having a different energized condition for each of several different car weights, said weight-responsive device controlling the energization of each said plurality of storage relays in accordance with the weight of the car, and each said plurality of storage relays controlling in accordance with their energization. The manner in which current is supplied to the braking force control circuit of the corresponding section whereby, prior to the car entering that section, it is set automatically to apply an initial braking force in accordance with the weight of the car. Since the resistance to car movement is also dependent on temperature as affecting the viscosity of oil in the bearings, a temperature switching relay SF may be controlled to one of two positions by a switch TS. To determine the speed of a car passing through the retarder sections RE and RE2, each section has speed measuring means SM1 and SM2, preferably of the type in which the track rail is divided into a number of insulated sections. Specifications 391,463, 576,132, 724,844 and 724,845 are referred to.
Patent GB-816468-A (GB)
Title: Improvements in or relating to ladders
IPC: E06C7/08
Filed: 1957-09-26
Abstract: 816,468. Ladders. MATTHEWS, C. H. Sept. 26, 1957, No. 30171/57. Class 20(2) A ladder comprises wooden or other non- metallic stiles 3 connected by metal rings 4 having shoulders or swagings 5 and swaged or spun ends 8. Metal washers may be inserted between the ends 8 and the stiles.
Patent GB-1125167-A (GB)
Title: Spray gun
IPC: B05B7/14
Filed: 1966-07-06
Abstract: 1,125,167. Spray-producers. M. J. SABASTIANI. 6 July, 1966 [18 Sept., 1965], No. 30237/66. Heading B2F. A pistol suitable for spraying paint or bitumin comprises a trigger adapted to actuate first a valve 11 controlling the flow of compressed air into the gun through a passage 13 in the handle thereof, and subsequently a hollow tubular valve member 12 which is disposed coaxially with respect to the valve 11. When the trigger is pulled the valve 11 is retracted from the member 12 against spring pressure and the air passes through a plurality of apertures 23 in the member 12 via radial bores 19 and an axial bore 18. Further movement of the trigger compresses a spring 15 and moves a rubber sealing ring on the member 12 away from the nozzle orifice which is provided with a shield 4. In the embodiment of fig. 4 (not shown) the liquid supply is controlled by a needle valve (29), both spring- loaded members are provided with radial ports, and the liquid is atomized by a coaxial air stream and an annular converging air stream supplied around a plate (32). The trigger may actuate the valves using a rack mechanism and may abut an adjustable stop. The gun casing is preferably made of a hard plastics material and the nozzle is of hardened steel.
Patent GB-1076855-A (GB)
Title: Preparation of unsaturated and hydroxy fatty alcohols
Inventor: PANTULU AMIRAPU JOGI
IPC: C07C29/149
Filed: 1964-07-31
Abstract: Unsaturated or hydroxy fatty alcohols are prepared by high-pressure hydrogenolysis of the corresponding fatty acids, using as catalysts a mixture of copper and cadmium salts of the said fatty acids. Examples describe the preparation of oleyl alcohol from oleic acid and of ricinoleyl alcohol from castor oil fatty acids.
Patent GB-820043-A (GB)
Title: Improvements relating to motor vehicles
IPC: B60R13/07
Filed: 1957-09-30
Abstract: 820,043. Vehicle bodies. DAIMLERBENZ A. G. Sept. 30, 1957 [Oct. 2, 1956] No. 30599/57. Class 108(1) A vehicle having a substantially flat roof 2 surrounded by a rim 3 is provided with drainage channels 5, 7 which at their lower ends may be directed rearwardly and closed by a flap 6.
Patent GB-409687-A (GB)
Title: Improvements in and relating to the production of edible soups, and sauces
IPC: A23J7/00
Filed: 1932-10-31
Abstract: Phosphatides of animal or vegetable origin, such as lecithin from soya beans, are added to soups and sauces or the dry ingredients used in making them in order to prevent settling out of the ingredients. The dry mixture may be made up in the form of cubes.  The addition of phosphatides to the dried herbs or vegetables serves also to preserve the aroma.  The amount of phosphatide may be 0.1 per cent, but quantities up to 20 per cent may be added to increase the nutritive effect.
Patent GB-457567-A (GB)
Title: Improvements relating to clips
IPC: B42F1/02
Filed: 1935-11-06
Abstract: 457,567. Spring clips. MORTON, T., Woodlea, Oxford Road, Moseley, Birmingham. Nov. 6, 1935, No. 30667. [Class 44] A spring clip comprises a length of metal strip or wire bent to U-form with the limb b shorter than the limb a, limb b having pivotally connected thereto a gripping member c which co-operates with limb a. As shown member c is of channel section to provide side flanges decreasing in depth towards the ends, a pivot pin e being passed through the flanges and a loop d at the end of limb b. Limb a and member c may be straight as shown, or curved. The Specification describes structural modifications of member c and of the method of pivotally mounting it on limb b, including one in which lugs on limb c are bent to embrace the edges of limb b which is slotted to. provide lateral resilience and is notched at its edges to locate the lugs.
Patent GB-1428343-A (GB)
Title: Production of thiophene
IPC: C01B31/26
Filed: 1974-07-11
Abstract: 1428343 Thiophene PENNWALT CORP 11 July 1974 [29 Aug 1973] 30772/74 Heading C2C Thiophene is produced by reacting hydrogen sulphide in the vapour phase with one or more of the C 4  hydrocarbon n-butane, a n-butene and butadiene in the presence of a solid dehydrogenation catalyst, the reaction being carried out at a mole ratio of hydrogen sulphide : C 4  hydrocarbon in the range 15 : 1 to 20 : 1 and with a stream of sulphur vapour being introduced into the reactor at such a rate as to maintain the temperature of the catalyst bed in the range 900-1100 F. Suitable hydrogenation catalysts comprise one or more oxides, sulphides, carbonates, chromates, chromites, molybdates, tungstates, sulphonolybdates or sulphotungstates of nickel, cobalt, chromium, platinum, vanadium, molybdenum, palladium, manganese, magnesium, tungsten, zinc, tantalum and aluminium.
Patent GB-193152-A (GB)
Title: Improvements in and relating to electrical measuring instruments
IPC: G01R11/36
Filed: 1921-11-18
Abstract: 193,152. British Thomson-Houston, Co., Ltd., (General Electric Co.). Nov. 18, 1921. Induction motor meters; polyphase meters; power meters. - Polyphase induction meters are provided with auxiliary current coils adjacent the main current coils and energized from different phases, for the purpose of maintaining the relation between the current and potential fluxes approximately independent of frequency variations. As shown in the Figure, the auxiliary coil 13 in line 3 is mounted on the core limb supporting the main coil 6 connected in line 1, and auxiliary coil 14 in line 1 is mounted on the core limb supporting the main coil 9 connected in line 3, coils 6. 14 and 9, 13 therefore being in series in lines 1 and 3 respectively.
Patent GB-226359-A (GB)
Title: A new or improved article of wearing apparel
IPC: A41D23/00
Filed: 1923-12-08
Abstract: 226,359. Diamant, J. Dec. 8, 1023. Undergarments; mufflers.-A protective wrap to be worn under or over a coat to protect the back, chest, and shoulders of the wearer comprises a back portion A having laterally-extending wings B for tieing or for being bound in by flaps C which extend from the lower part of the back portion A. A button D and buttonhole E or any other fastening means may be employed. The garment may be made in several pieces, or may be woven or knitted in one piece.
Patent GB-703923-A (GB)
Title: Improvements in clutch and change-speed gear assemblies
Inventor: HASSAN WALTER THOMAS FREDERICK
IPC: F16H57/023
Filed: 1950-12-19
Abstract: 703,923. Clutch and change-speed gear assemblies. COVENTRY CLIMAX ENGINES, Ltd. Dec. 14, 1951 [Dec. 19, 1950], No. 30932/50. Class 80 (2) To facilitate removal of a main clutch assembly 52 from a bolted and integral casing 42, 40, 41 housing respectively the clutch, changespeed and rear-axle gears of a motor-vehicle, the primary shaft 44 of the change-speed gear is made tubular and that shaft 45 connecting it to the clutch-driven plate 47 is splined to the respective members 44, 47 and can be withdrawn rearwardly through a covered opening 76, whereupon the clutch assembly 52 can be lifted laterally through a covered opening 43. The inner shaft 45 is biased forwards by a spring 62 in a tube 60 retained by a bayonet pin-,and-slot connection 65 with a nut 66 screwed on to the hollow primary shaft 44. After removal of the tube 60 the inner shaft 45 is removed by an extractor screwed into its end.
Patent GB-367409-A (GB)
Title: Multirange coupling circuit for wireless signalling
IPC: H03H7/01
Filed: 1930-10-16
Abstract: 367,409. Valve amplifying circuits. RADIO FREQUENCY LABORATORIES, Inc., Boonton, New Jersey, U.S.A.-(Assignees of Loughlin, W. D.; Mountain Lakes, and Franks, C. J.; Boonton, both in New Jersey. U.S.A.) Oct. 16, 1930, No. 31020. Convention date, Sept. 4. [Class 40 (v).] The input to a radio receiver comprises two tuned circuits coupled by a common impedance 7, 8 resonant at frequency near the lower limit of the frequency range to which the circuits may be tuned. The input and intervalve couplings are preferably operative on two wave bands and means may be provided for shortcircuiting the loading inductances and eliminating coupling thereto. Fig. 1 shows an intervalve coupling in which the primary winding comprises a winding 13 and a portion 5a of the secondary winding 5. Fig. 3 shows the coil structure including the choke 14 and blocking condenser 15. The switch 12 is arranged to short-circuit both the winding 5 and also the portion 5a. Resistance 17 reduces the amplification on the low frequency band to the value obtained on the high frequency band.
Patent GB-365537-A (GB)
Title: Improvements in air brakes for aircraft
IPC: B64D27/02
Filed: 1930-10-16
Abstract: 365,537. Air brakes for aircraft. BLACK, H. D., The Island, Uxbridge, Middlesex. Oct. 16,1930, No. 31041. [Class 4.] An aircraft air brake comprises a surface or surfaces normally maintained in a position' wherein they are inoperative to vary the normal flight of the aircraft but automatically moved into a position transverse to the line of flight on contact of the tail of the machine and the ground. Brake surfaces 1, Fig. 1, are nested above and below a tail plane 3 to which they are pivotally attached at 2. Levers 4 on the surfaces 1 are connected by links 5 to a plate 6 having a pin-and-slot connection with the vertical arm of a bell-crank lever 8 mounted on a transverse spindle 10, Fig. 2. The horizontal arm 9 of the bell-crank lever has a projecting lug 18 upon which rests a lever 17 freely pivoted on the shaft 10 at one end and connected by a link 22 with a tail skid 23 at the other, thus rocking of the tail skid on landing causes rocking of the bell-crank lever to open out the brake surfaces. The lever 17 is in two parts joined by a vertical hinge and normally maintained in line by a spring. A cable 20 is attached to the outer part of the lever to allow of this being pulled out of contact with the lug 18 thus preventing actuation of the brake. A chamfer on the underside of lug 18 permits return of the lever 17 to its operative position. A pawl formed on the end of lever 9 engages in a ratchet 13 pivotally mounted at 4 to the fuselage and maintained in its effective position by a spring 15. A cable 16 permits withdrawal of the ratchet from the pawl to release the air brake. According to modifications vertical surfaces pivotally mounted at the sides of the fuselage or embracing the fin may be employed, or horizontal surfaces disposed between the main planes, the method of actuation being the same in each case. According to another form of the invention a tail wheel 26, Fig. 7, is carried in a fork 28 and the rotation of the wheel on landing is arranged to operate vertical brake surfaces 1 pivotally mounted on the sides of the fuselage. Mounted on the axle 27 of the wheel 26 is a drum 29 to which is secured one end of a cable 30 corresponding to the link 22 of Fig. 1. This drum is driven by the wheel hub through a clutch 31 which may be disengaged when necessary by a fork 32 mounted on a shaft 36 adapted to be rotated by a cable 33 passing round a pulley 35 secured to the shaft. In the case of horizontally disposed brake surfaces the upper surface may be caused to move through a greater distance than the lower surface.
Patent GB-603972-A (GB)
Title: Improvements relating to ground compacting devices
IPC: E02D3/074
Filed: 1945-11-19
Abstract: 603,972. Vibrating ground compactor. MOSER, F. Nov. 19, 1945. No. 31062. Convention date, Nov. 24, 1944. A vibrating compactor 1, of the type which is caused to jump upwards and forwards due to rotating masses 4, 5 which are eccentrically mounted upon the compacting plate, has mounted on the plate a winch 11 by which a rope 13 anchored in front of the compactor is wound up. The winch winds up the piece of rope which becomes free on the forward movement and, when this movement ceases, tensions the rope so preventing any backward movement of the compactor.
Patent GB-163371-A (GB)
Title: Improvements in socket fittings for pin-and-socket connectors for electric circuits
IPC: H01R24/20
Filed: 1919-12-11
Abstract: 163,371. Simplex Conduits, Ltd., Waterhouse, L. M., and McLoughlin, H. F. Dec. 11, 1919. Plug couplings.- Tubular socket members B, with channel shaped ends b<2> for screw and nut terminals, are held between two channelled halves A, A' of an insulator. A spiral spring E, through which the leads pass, is clamped at the same time between undercut grooves in the parts of the insulator, and the parts are enclosed in a metal casing C the whole being secured together by bolts c<2>. To prevent contact between a plug pin and the metal casing C should one pin only be inserted in the socket member a rim a<6> projects from the insulator at the bottom. The invention is applicable to multiple plug couplings. -
Patent GB-1403301-A (GB)
Title: Multifilament yarns
IPC: B60R21/16
Filed: 1973-06-29
Abstract: 1403301 Woven fabrics E I DU PONT DE NEMOURS & CO 29 June 1973 [30 June 1972] 31072/73 Heading D1K [Also in Divi sions B5 and B7] A poly (hexamethylene adipamide) yarn having properties as in the B4-5 division abridgment is woven into a fabric in Ex 1 witha loom thread count of 24 ends/inch x 24 picks/ inch. The fabrics are scoured, heat set and coated with 2 oz/sq yd of an elastomeric impermeable coating. The properties of the fabrics are:-weight 7.0-7.8 oz/sq yd. thread count (warp x fill) 74 x 41-77x44 tongue tear strength (Ibs/in) 48 x 33-58x57 grab break strength (Ibs/in) 361x329-647x369 grab break elongation % 56x63-88x71 air permeability (CFM/sq ft) 3.5-6.9 fabric modulus (lbs/in) 6.7x5.7-7.3x5.2# %