baber/WOPTO huggingface dataset:
Patent GB-717106-A (GB)
Title: Pulse amplifiers using transistors
IPC: H03K3/26
Filed: 1952-10-31
Abstract: 717,106. Transistor circuits; gating circuits; pulse circuits. WESTERN ELECTRIC CO., Inc. Oct. 31, 1952, [Nov. 6, 1951], No. 27405/52. Class 40 (6) In a regenerative trigger circuit comprising a transistor and having two stable states, the application of a positive pulse to the emitter triggers the circuit to its high-current state from which it is restored to its low-current state by the succeeding one of a continuous sequence of positive pulses applied to the base electrode. The emitter current-emitter voltage characteristic of the transistor 11, Fig. 1A, is as shown in Fig. 1D and the circuit components are so chosen that norinally the emitter is biased to the point A just to the left of and below the " peak point ". The resistors 19 and 25 have such values in relation to the batteries 18, 20, 24 that the diode 21 is normally non-conducting and the diode 23 normally conducting. On application of a positivepulse to the input terminal, the emitter initially moves positive and then negative by virture of the negative-resistance input characteristic of the transistor as shown in Fig. 1D. The diode 21 becomes conducting due to the emitter moving negative and the near-vertical load line due to resistor 19, is altered to become nearly horizontal, as shown in Fig. 1D, on account of the low impedance of the diode. 'The'emitter. current consequently continues to increase until the point B, at which the load line intersects the emitter voltage-current characteristic is reached. The circuit is restored to its low current condition by the application of a 'continuous sinusoidal signal to a " reset " terminal connected to the base electrode through a diode 26 which allows only the application of the positive portions of the resetting signal to be applied to the base electrode. In a modification of the circuit, Fig. 2A (not shown), a diode, poled for easy current flow towards the base, is connected in series with the base resistor 15. A further resistor is arranged in parallel with the diode. Application to circuits using "And-Or" gates, Fig. 4.-The circuit described may be used as a pulse amplifier in a circuit employing either socalled "And" gates or "Or" gates. The output I in Fig. 4A delivers a pulse output only when a positive input pulse is applied simultaneously to the inputs A, B, C. The diodes 54, 55, 56 are normally conducting and bye-pass to earth any signal applied to their common junction point. However the application of a positive-pulse to all three inputs cuts all three diodes off and allows a pulse to pass to the emitter of the transistor 11. The output III is delivered as a result of a positive pulse being applied to any one of the input terminals A, B and C. On the application of a positive-pulse to any one of the diodes 76, 77, 78, the other two diodes are cut off and a pulse is applied to the transistor 11. The circuit haying an output II comprises a combination of "And" gates with an "Or" gate so that an output is given if positive pulses are applied simultaneously to any pair of the inputs A, B, C.
Patent GB-1007256-A (GB)
Title: Improvements in or relating to pressure transducers
Inventor: APPLEBY ERNEST MARK HEDWORTH
IPC: G01L9/00
Filed: 1962-07-17
Abstract: 1,007,256. Measuring pressure electrically. APPLEBY & IRELAND Ltd. Aug. 14, 1963 [July 17, 1962], No. 27478/62. Heading G1N. [Also in Division H1] A pressure transducer comprises a differential transformer whose primary 20 and balanced secondaries 21 are axially adjacent and have an axial core 23 shifted via a rod 15 by displacement of a high tensile steel diaphragm 13, the coil assembly being adjustable by nuts 22 towards and away from the diaphragm, carried by a stainless steel frame member 11. The two secondaries may form two arms of a bridge whose unbalance is used to indicate the pressure. The diaphragm may be electron beam welded at X-X, and the unit may be sealed into an aperture in a pressure vessel with a copper-asbestos washer between a flange 12 and a wall of the vessel. The core may be located by an adjustable guide 27 and spring 29, or it may run in a sheath 40 (Fig. 5 not shown), the coil assembly in this case bearing on a spring washer 46 and being adjustable by nuts 44, 45, an absolute pressure reading being obtained if the weld X-X, and welds 41, and 42 have been made in vacuo. The coil former may be ceramic, and the wire, which may be nickel-silver,.may be insulated with ceramic material to withstand temperatures up to 750‹C., the whole assembly being, for example, 2 inches long and # inch in diameter to measure pressures up to 5000 p.s.i. Specification 940,850 is referred to.
Patent GB-313584-A (GB)
Title: Improvements in or relating to magnetic materials
IPC: H01F1/03
Filed: 1928-09-25
Abstract: 313,584. Electrical Research Products, Inc., (Assignees of Elmen, G. W.). June 15, 1928, [Convention date]. Cables with inductances. - A composite magnetic body comprises a number of materials in juxtaposition, one material having a higher permeability at low magnetizing forces and also lower coercivity than iron known under the registered Trade Mark "Armco," another material having very high coercivity. The free poles of the materials react upon one another. Separate portions may comprise hard steel and an iron nickel alloy, the nickel content being 30 to 80 per cent of the whole, or the nickel content of one of the materials can be 75 to 85 per cent and iron 15 to 25 per cent. In one construction, Fig. 1, a conductor comprises a core of piano wire 20 having a surrounding tube 21 of permalloy about 0.006 inch in thickness. Alternatively, a bundle of piano wire and permalloy wire bound with tape, varnish or material known under the registered Trade Mark as " Bakelite " can be employed. In another construction, Fig. 3, a laminated core comprises alternate sheets of different material about 0.014 inch in thickness. One or more airgaps 25 may be provided and these may be arranged in staggered formation. In another construction, Fig. 4, the materials are powdered, insulated, mixed together, and pressed into rings. Specifications 188,688; and 273,638, [Class 82 (i), Metals, Extracting &c.], are referred to.
Patent GB-383367-A (GB)
Title: Improvements in and in the manufacture of colliery or like tubs or wagons
IPC: B61D11/02
Filed: 1931-10-03
Abstract: 383,367. Railway vehicle bodies. PLATT BROS. & CO., Ltd., Hartford Works, Oldham, and JONES, A. E., 37, Wingate Drive, Didsbury, Manchester. Oct. 3, 1931, No. 27497. [Class 103 (iv).] The vertical edges of the several sections, which'may be four or more in number, forming the ends b and sides d of a colliery tub or like wagon, are provided with inturned or hooked elements b<3>, d<3> which, when the parts are assembled, abut against each other and are united by means of C-shaped strips or rods f slid into clamping engagement therewith, the lower edges of the walls being secured to a tray-shaped bottom a, while the upper edges are suitably strengthened. As shown, the two ends b are integrally extended to form parts of the sides, and their curled over upper edges are fitted with reinforcing wires c, the projecting ends c<1> of which, in assembling the parts, enter the curled over edges d<2> of the sides, the latter also being reinforced by wires d<4>. The strips f are then forced upwardly from the bottom to interlock with the hook-shaped edges of the parts to be joined ; finally, the complete wall receives the bottom a and is bolted thereto. Corrugations b<1>, b<2>, d<1> serve for strengthening the walls. The wall sections are readily separable for replacement or repairs, or, by deforming the hooked joints under pressure, a more permanent connection may be effected. To permit the insertion of the strips f the base flanges of the sides and ends are cut away as shown at d<x>.
Patent GB-999122-A (GB)
Title: Impregnating agents containing organic titanium and silicon reaction products
IPC: D06M15/643
Filed: 1963-07-11
Abstract: Organic solvent-soluble coating and impregnating agents, for hydrophobing porous and fibrous materials (see Division D1), are made by mixing together (1) 70 to 99 parts (by wt) of a polysiloxane of the formula <FORM:0999122/C3/1> wherein R and R1 are alkyl or aryl radicals, at least half the radicals being methyl radicals, and x has a value such that the viscosity of the siloxane is between 103 and 107 cst. at 20 DEG  C, (2) 1 to 30 parts of a polysiloxane of the formula <FORM:0999122/C3/2> wherein one of the R11 radicals in at least 3 siloxane units is H and the remaining radicals are methyl or phenyl, and n is greater than 1 but less than 3, and (3) 50 to 500 parts of an alkyl titanate or polytitanate, and allowing the 3 components to react at a temperature between room temperature and 150 DEG  C until the evolution of gas has ceased The reaction is preferably effected in the presence of an inert organic solvent.  In Example (1), a hydroxy-terminated dimethylpolysiloxane, a methylhydrogensiloxane, butyl orthotitanate and toluene were mixed together and heated at 50 DEG  C until evolution of hydrogen had ceased, then dry air was passed through the dark coloured solution to restore the pale yellow colour of the solution.ALSO:Impermeable surfaces, e.g. of glass, ceramics and synthetic resins, and paper, are rendered hydrophobic by coating them, as by dipping, spraying or brushing, with an organic solvent (e.g. toluene or white spirit) solution of the reaction product of (1) a hydroxy-terminated organopolysiloxane, (2) a siloxane containing silicon-bonded hydrogen, and (3) an alkyl orthoor poly-titanate, in certain proportions (see Division C3).  Films are formed when thin layers of the reaction products are exposed to the atmosphere.ALSO:Fibrous and other porous materials, e.g. textiles, leather, paper, asbestos cement products and structures made of mortar, bricks, artificial stone and plasterwork, are rendered hydrophobic by applying thereto, as by dipping, spraying or brushing, an organic solvent solution of the reaction product of (1) a hydroxy-terminated organopolysiloxane, (2) a siloxane containing silicon-bonded hydrogen, and (3) an alkyl ortho- or poly-titanate, in certain proportions (see Division C3). Examples describe the treatment of (1) leather and cotton with solutions of the above reaction products in toluene diluted with petroleum ether, and (2) bricks, paper and leather with a white spirit solution of the above reaction product.
Patent GB-1509733-A (GB)
Title: Process for the manufacture of nitro-amino-azobenzenes
IPC: C09B29/08
Filed: 1975-06-30
Abstract: 1509733 Preparation of nitro-amino-azobenzenes CIBA-GEIGY AG 30 June 1975 [1 July 1974] 27564/75 Heading C4P A 3-nitro-2 or 4-amino-azobenzene is prepared by replacing OR by NH 2  in a compound of the formula wherein R is C 1-8  alkyl, OR is ortho to NO 2 , the benzene ring B may be further substituted and A is a benzene ring which may be further substituted, by heating with NH 3  at temperatures above 80‹C. in an aqueous, organic-aqueous or organic medium.
Patent GB-1437199-A (GB)
Title: Hydraulic control circuit
IPC: A01B63/00
Filed: 1973-06-11
Abstract: 1437199 Hydraulic control circuits CATERPILLAR TRACTOR CO 11 June 1973 [21 June 1972] 27613/73 Heading F1P When the pressure of hydraulic liquid in a closed reservoir 10, Fig. 1 rises above a predetermined level, it is relieved by a check-valve 30 which opens the pass liquid through a spool valve to a ram 11. This increase in pressure occurs when a pump 12 is inoperative and the spool 19 is moved to its L position to lower an implement. In this position fluid from the ram 11 flows to the reservoir through passages 18, 23, 24. When valve 30 opens fluid passes to the other end of the ram through passages 37, 33, 34, 17. A check-valve 21 is provided in the passage from the pump to the spool valve.
Patent GB-281838-A (GB)
Title: Improvements relating to spring balances and spring weighing machines
IPC: G01G3/04
Filed: 1926-11-04
Abstract: 281,838. Salter, & Co., Ltd., G., and Bache, T. W. Nov. 4, 1926. Spring balances.-A spring balance comprises a spring-carrying bar or member pivoted or hingedly-connected to a lever which is adapted to be actuated by a screw or other part so that the bar may be raised to cause the pointer to return to its zero position after an initial load has been applied. The spring-carrying bar 2 is pivoted to a lever 7 which may be turned by rotating a screw 10 mounted in a bracket 12. The screw is preferably rotated by a key 13. A collar 16 and a pin 17 limit the movement of the screw. After an empty container has been placed upon the weighing platform the indicating pointer 5 is returned to zero by rotating the screw 10 after which the net weight of the commodity subsequently placed in the container will be indicated by the pointer.
Patent GB-976071-A (GB)
Title: A pigment
Inventor: BERTL MAX
IPC: C09B5/16
Filed: 1963-07-12
Abstract: The invention comprises the pigment of the formula <FORM:0976071/C4-C5/1> The pigment is obtained by reaction of 1,9-pyrimidinoanthrone - 2 - carbonylic acid or an acid derivative thereof with 1-amino-4-methoxy-anthraquinone. Examples of acid derivatives are the carboxylic acid amides, esters and acid halides especially the chloride.  The reaction is done in an inert solvent and/or diluent at temperatures preferably above 80 DEG  C.  When using the free carboxylic acid a halogenating agent, e.g. thionyl chloride, and a tertiary amine or low molecular weight aliphatic carboxylic amide are also employed in the reaction.
Patent GB-172777-A (GB)
Title: Improvements relating to the treatment of waste organic substances
IPC: C11B13/00
Filed: 1920-09-30
Abstract: 172,777. MacLachlan, A. Sept. 30, 1920. Fats, extracting; recovering fats from sewage and waste waters.-Sewage sludge, garbage, slaughterhouse waste, or the like is treated with mixed sulphur dioxide and steam for a sufficient time to cause a separation of the water and other heavier substances and the release of grease. There may be a preliminary cooking treatment, as by boiling in water, and subsequent treatment may include cooking, further treatment with sulphur dioxide and steam, and pressure to remove fat. The apparatus may comprise a treating chamber 2, a rotating-drum 16 in which sulphur is burnt, an oxidizing chamber 32 open to the atmosphere at the end 30, and an injector 40, through which steam from a pipe 38 draws the sulphur dioxide for delivery to the chamber 2. 172,923. Goslings, N. Dec. 14, 1920, [Convention date]. Addition to 167,462. Fats and fatty oils, purifying.-In the purification of oils and fats by the addition of a soluble salt in conjunction with a base, such as lime or zinc oxide, which precipitates the free fatty acids as insoluble soaps, small quantities of insoluble soaps of solid fatty acids are also added to produce a precipitate of suitable consistency. Suitable additions are the lime soaps of cocoanut or palm oil, tallow, or hydrogenated fats or oils.
Patent GB-1198394-A (GB)
Title: Halomethylation of Diaryloxy Alkanes
Inventor: COUNT DAVID JAMES LE
IPC: H01B17/26
Filed: 1968-06-11
Abstract: 1,198,394. Halomethylation of diaryloxy alkanes. IMPERIAL CHEMICAL INDUSTRIES Ltd. 30 April, 1969 [11 June, 1968], No. 27780/68. Heading C2C. The invention comprises the improvement in the halomethylation of diaryloxy alkanes by the reaction of the diaryloxy alkane with formaldehyde or a precursor thereof and a hydrogen halide of carrying out the reaction in the presence of an alkane carboxylic acid and with continuous mixing of the reactants for at least a substantial part of the reaction time. Examples disclose the preparation of 1,2-bis- (p-chloromethyl phenoxy) ethane.
Patent GB-1411741-A (GB)
Title: Machine for distributing fertilizer
IPC: A01C15/04
Filed: 1971-06-14
Abstract: 1411741 Fertilizer distributor ARCHIE KIDD Ltd 11 Sept 1972 [14 June 1971] 27790/71 Addition to 1177761 Heading AID A machine for distributing fertilizer comprises a hopper 2, a feed chamber 8 and a distributor arrangement 14 with an air driven rotating cowl, mounted on land wheels substantially as described in Specification 1177761 but is modified in that outlet pipes 16 from the distributor 14, instead of leading to coulters, terminate in nozzles 18 and distributing spill plates 22 fixed to a foldable boom 20, which is disposed well above the ground at the front of the machine. The fertilizer is conveyed pneumatically to the distributor 14 by a centrifugal blower driven by the tractor power take off. Reference has been directed by the comptroller to Specification 1176201.
Patent GB-843422-A (GB)
Title: Production of beta-ionylidene-ethyl-triaryl phosphonium halides
Inventor: SARNECKI WILHELM
IPC: C07F9/54
Filed: 1958-09-01
Abstract: Beta - ionylidene - ethyl - triarylphosphonium halides are obtained by reacting a triarylphosphine hydrohalide, a tri-(methyl or ethyl substituted-aryl)-phosphine hydrohalide, or one of the said triaryl phosphines and hydrogen halide with 5-(21,61,61,-trimethyl-cyclohexene-(11) - yl - (11) - 3 - methyl - pentadiene - (1,4)-ol - (3)(vinyl - beta - ionol).  The reaction is preferably effected in an organic solvent, e.g. an ether, especially tetrahydrofuran, an alcohol, or a hydrocarbon and suitable reaction temperatures are between-30 and +80 DEG C.  Examples are given for the production of beta-ionylidneeethyl - triphenyl - phosphonium - bromide, -chloride and -iodide.  The products are useful as intermediates in the synthesis of biologically active carotenoids of the type of beta-carotene and vitamin A.  Specifications 812,522, 813,539, and 817,884 are referred to.
Patent GB-468170-A (GB)
Title: Process for the production of fatty acids with a high degree of saturation, from oils and fats
IPC: C11C3/12
Filed: 1936-10-15
Abstract: In the production of hardened fatty acids the oil or fat is first partly hydrogenated or partly hydrolyzed, and then, in the same apparatus, hydrogenation and hydrolysis are effected together.  In an example, 100 lb. of sunflower oil is heated to 200 DEG  C. for 2 hrs. with 0,01 lb. of nickel as formate in hydrogen at 20 atmospheres; 100 lb. of preheated water is then forced into the autoclave which is maintained at 180--220 DEG  C. for 3 hrs. more.  Or, a mixture of 100 lb. of maize oil and 100 lb. of water is heated to 220 DEG  C. for 2 hrs.; 0,2 lb. of nickel is added, hydrogen forced into the autoclave, and heating continued for 2 hrs. more.
Patent GB-871064-A (GB)
Title: Improvements in or relating to cocks
IPC: F16K1/36
Filed: 1957-09-09
Abstract: 871,064. Valves. VON PLATEN, B.C. Sept. 9, 1957 [Aug. 26, 1957], No. 28330/57. Class 135. A closure member for a valve comprises a cylinder 8, Fig. 1, a piston 9 movable in the cylinder and connected to the end of the valve spindle 4, in such a way as to accommodate misalignment therebetween, an elastic packing piece 11 and a core 10 held by the packing piece 11 such that when the valve is closed the core covers the orifice in the valve seat 14. The lower walls of the cylinder 8 are tapered inwardly, so that when the closure member has seated further movement of the spindle 4 compresses the elastic packing 11 which forces both the ends 21 of the cylinder and the annular ridge 20 of the core hard against the seating 14, thereby preventing the packing piece 11 from spreading along the surface of the seating 14. Instead of the walls of the cylinder being inwardly tapered they may be inwardly stepped. In another embodiment the core 10 may be provided with a stem which extends through clearance holes in the elastic packing 11 and the piston 9 into a mating hole in the spindle 4, the piston in this embodiment not being attached to the spindle but abutting the end of the spindle instead. In a further embodimentthe core may be found integral with the piston via a neck that yields driving operation. Alternatively it may be integrally connected to the cylinder by spokes passing through the elastic packing. In another form the cylinder 8b, Fig. 5, is of inverted cup form having a flexible flange 9b which replaces the piston 9, Fig. 1; a button on a pillar 32, Fig. 5, is secured to the flange 9b the pillar, being in an axial bore in the spindle 4 and engaging the lower end of the latter.
Patent GB-954730-A (GB)
Title: A putting improver
IPC: A63B57/00
Filed: 1962-07-24
Abstract: 954,730. Golf-practice appliances. J. LIVESEY. March 27, 1963, [July 24, 1962], No. 28430/62. Heading A6D. An appliance for use in practising putting, comprises a U shaped channel member of plastics, wood, metal, or resin-impregnated fibre glass, and preferably with one limb of the U longer than the other, the base of the channel rising in each branch of the U to a maximum height in the region 22. A metal weight may be incorporated in the base of the channel.
Patent GB-514028-A (GB)
Title: Improvements in or relating to high-pressure steam-generators
IPC: F22B1/14
Filed: 1938-09-30
Abstract: 514,028. Injectors. WITKOWITZER BERGBAU-UND EISENHUTTEN-GEWERKSCHAFT, and BEYER, W. Sept. 30, 1938, No. 28441. Convention date, Sept. 30, 1937. [Class 71] [Also in Group XIII] The nozzles through which superheated steam is blown into the water space of high pressure boilers are protected against corrosion by water introduced near their inlet 'end. Feedwater may be supplied to an annular channel communicating with the nozzle inlet through a row of slots. Or the water inlet may comprise an annular channel 3a from a casing 6 surrounding the main portion of the nozzle. An insertion 7 is screwed into the nozzle socket 2a and projects as far as the water inlet. A modification for utilizing boiler water comprises a jacket opening into the boiler water space a little above the nozzle inlet, the insertion and the inlet water channel being formed in the manner of a steam jet pump. Another provides for the simultaneous inflow of feedwater and boiler water into superposed jackets. Or feedwater may.be introduced into the boiler as a wide jet in front of each nozzle discharge.
Patent GB-1216286-A (GB)
Title: Improvements relating to nozzles for liquid spouts
IPC: E03C1/086
Filed: 1969-06-05
Abstract: 1,216,286. Spray producers. AMERICAN STANDARD Inc. 5 June, 1969 [6 June, 1968], No. 28503/69. Heading B2F. Nozzles for liquid spouts comprise a sleevelike body 32 having a central axis, a rosette 50 housed within the body and defining in the bore of the body a plurality of straight passageways 54 in the direction of the axis, and at least two axially spaced part-spherical screens 62, 64 in the bore of the body downstream of the rosette each screen having its concave side facing upstream towards the rosette. The rosette may be formed by folding a strip of perforate screen material. Preferably at least two screens are provided with the downstream screen of smaller curvature than the upstream screen, the edges being contiguous and crimped in retaining ring 66. At least one planar screen 38, 40 may be provided upstream of the rosette, and the nozzle bone may be tapered 74 downstream of the curved screens.
Patent GB-770990-A (GB)
Title: Improved liquid straining device
Inventor: MCLELLAN WALLACE ALBERT
IPC: B44D3/10
Filed: 1955-10-07
Abstract: 770,990. Strainers for liquids. BATCHELOR, S. A. S. Oct. 7, 1955, No. 28630/55. Addition to 713,894. Class 46. The straining device for use with a tin or pot of paint as set forth in the parent Specification is modified by providing the upstanding arm with a suspensior hook 6 adjustable to any position along the arm. The arm comprises a parallelsided bent wire loop 4 having its lower end bent back at 7 to space it from the side of the tin, &c. and the ends of the wire are bent outwards to merge into the rim 3 of the strainer 1. The edges of a metal plate 5 are bent over to slide with friction on the loop 4 and a suspension hook 6 is stamped out of the plate.