baber/WOPTO huggingface dataset:
Patent GB-547857-A (GB)
Title: Improvements in electric distribution systems and multi-winding transformers therefor
IPC: H01F27/34
Filed: 1941-03-13
Abstract: 547,857. Transformers. BRITISH THOMSONHOUSTON CO., Ltd. March 13, 1941, No. 3409. Convention date, March 14, 1940. [Class 38 (ii)] To provide in a six-winding transformer such leakage impedances as to render the terminal voltage of any one of the pairs of windings independent of the relative loading of any one of the other pairs, one pair of windings 1, 2 (which may be a pair of primaries, for example) are distributed one over the whole length of each limb of a two-limbed core, a second pair comprises elements each arranged in two parallelconnected halves 3a, 3b and 4a, 4b complementary halves being distributed over half the length of different limbs, while the third pair comprises elements arranged in two parallel-connected halves 5a, 5b, and 6a, 6b, complementary halves being distributed over half the length of the same limbs. The Specification as open to inspection under Sect. 91 comprises also multiple-winding transformers comprising, for example, a pair of primaries 1, 2, Fig. 1 (Cancelled) connected to a common supply source 7 or to separate supply sources and a pair of secondaries 3, 4 connected to separate loads 11, 12, and the leakage impedance of the windings being utilized to secure any desired distribution of current between the windings. For example, unequal loads on the secondaries may be distributed over the primaries equally or in any desired proportion, either fixed or variable in a predetermined manner with load. This subject-matter does not appear in the Specification as accepted.
Patent GB-484149-A (GB)
Title: Improvements in rotary compressors
IPC: F04C29/04
Filed: 1938-02-03
Abstract: 484,149. Rotary compressors. DEMAG AKT.-GES. Feb. 3, 1938, No. 3414. Convention date, Feb. 5, 1937. [Class 110 (ii)] A rotary compressor having low and high pressure stages 1, 2, is provided with an intermediate member 3 having radial cooling fins 7 which align with fins on the casings 1, 2. A fan 6 draws, or blows, cooling air through the fins within an outer casing 5. Copper, or other good-conductor material 14, is used between the parts 1, 2, 3. The cover plate 8 is secured to a flange of the casing 5, by means of a ring 9 cast integrally with the fins F. The cover 10 is loosely guided in the casing 5 by a ring 11 to allow for expansion due to temperature differences. The casing 5 may be constructed in several parts,
Patent GB-788528-A (GB)
Title: Improvements in or relating to methods of and apparatus for treating material in combustion
IPC: A62C3/02
Filed: 1955-02-04
Abstract: 788,528. Fire-extinguishing. BIRO, G. Feb. 4, 1955 [Feb. 5, 1954], No. 3414/55. Class 47 In extinguishing fires by means of a pulverulent substance projected by carbon dioxide under pressure, an expansion of liquid carbon dioxide is effected so that solid carbon dioxide is deposited in the particles to provide a cooling as well as a smothering effect. Powder 6 is supplied by a tube 4<SP>1</SP> and carbon dioxide by a concentric or separate jet 5<SP>1</SP> to a nozzle 1 to produce carbon dioxide coated particles.
Patent GB-577224-A (GB)
Title: Improvements in and relating to boots, shoes, and the like and soles therefor
IPC: A43B13/14
Filed: 1944-02-24
Abstract: 577,224. Soles and heels of footwear. BLEDI, I. Feb. 24, 1944, No. 3426. [Class 17 (ii)] The rear end of a shoe sole forepart 10 of wood, cork, metal, plastic or other material is formed with a recess 13 and side lugs 14 in which the correspondingly shaped forepart of the rear end 11 of the sole is pivotally connected by a tranverse hinge pin 12. The two parts may be hinged together in alternative sockets 15, 15<1> to adjust the shoe length and preferably, also, the parts 10, 11 are detachable by removing the hinge pin 12, so as to be interchangeable with other parts. The rear part 11 of the sole, which may consist of, a single metal blank, carries a shank and heel. This may be in the form shown in Fig. 5, in which the rear end of the metal blank is turned under and forwardly and secured at 26 to the shank 22 to provide a space between the parts 23, 24 in which 'springs or rubber or struts 27 may be accommodated. In the form shown in Fig. 6, the rear part blank is shaped to form a heel 31 which may be left hollow to give a resilient heel seat 23, or filled. The shoe upper may consist of thongs or bands of leather, braid or other material secured by fastenings such as nails, rivets, screws or buckles. Specification 560,560 is referred to.
Patent GB-621192-A (GB)
Title: Envelope stiffened by means of a cardboard back
IPC: B65D27/02
Filed: 1947-02-06
Abstract: 621,192. Envelopes. NAAMLOOZE VENNOOTSCHAP VOORHEEN P. J. BRANCART & ZOON. Feb. 6, 1947, No. 3597. Convention date, June 28, 1939. [Class 146 (ii)]  To strengthen the edges of an envelope made by securing turned over edges b of a paper front c to a cardboard back a, the edges of the cardboard a are turned back along the sides e and lower edge f. The top of the cardboard a may have a flap g which is folded in over the contents and the folded edge f may have a sector shaped recess h to prevent buckling of the edge when the contents are put in the envelope.
Patent GB-211165-A (GB)
Title: Improvements in trawling nets
IPC: A01K73/04
Filed: 1922-10-07
Abstract: 211,165. Vigneron, Dahl, et Cie. Nov. 26, 1921, [Convention date]. Trawling-gear. - The ground cable or towing warp 10 is connected to the wing of a trawl net by a duck's-foot connection 7, 8 and a slat 4 provided with a heavy metal shoe 13 at its lower end. Shackles 5, 6 connect the duck's foot to the head and foot ropes of the net. The wear of the shoe 13 serves to indicate whether or not the wings of the net occupy the desired position during use.
Patent GB-1459974-A (GB)
IPC: D06L3/02
Filed: 1975-01-28
Abstract: 1459974 Dryer added bleach PROCTER & GAMBLE CO 28 Jan 1975 [29 Jan 1974] 3631/75 Heading DIP Damp fabrics are bleached and have stains removed from them by tumbling in an automatic drier with a particulate water soluble bleaching composition. Peroxygen bleaches e.g. perborate are preferred over hypochlorite bleaches, and may be activated e.g. by the presence of TAGU. The bleach particle size is preferably from 25-200 microns. Even distribution of the composition is assisted by use of a dispensing means e.g. a flexible porous polyurethane pouch as disclosed in Specification 1459973. The bleach is preferably dispensed on to the fabrics within the first one quarter of the drying operation.
Patent GB-620991-A (GB)
Title: Co-axial cable for the transmission of energy at high frequency
IPC: H01B11/18
Filed: 1947-02-07
Abstract: 620,991. Air-space cables. COMPAGNIE GENERALE D'ELECTRICITE. Feb. 7, 1947, No. 3654. Convention date, April 9, 1946. [Class 36] The spacing elements of a highfrequency co-axial cable comprise a disc 4 provided on each side with cylindrical projections 5, 6, said projections being of different diameters so that the narrow part 6 of one element may nest loosely in the wide part 5 of an adjacent element, said wide part 5 forming a support for the outer conductor 2. The length of the narrow part 6 may be slightly greater than that of the wide part 5 so that an annular space 7 is left between neighbouring elements into which grooves 3 of the outer conductor may fit.
Patent GB-1028622-A (GB)
Title: Method for cold rolling metal strips
IPC: B21B1/30
Filed: 1963-01-29
Abstract: 1,028,622. Producing metal strip; rolling. VEREINIGTE OSTERREICHISCHE EISENUND STAHLWERKE A.G. Jan. 29, 1963 [Jan. 29, 1962], No. 3720/63. Headings B3A and B3M. Two or more superimposed similar metal strips are simultaneously cold-rolled while forward and back tension is applied to the strips, the tensile stress being of such a value in the range of the yield point stress that the outer strip being coiled suffers plastic yielding. Steel strips a and b are rolled together between rolls 5 and 6 and coiled on a reel 7. The strips are coiled on a reel 8 if the rolling is reversed. The strips are separated on to their own reels either before or after annealing. In an example, strips of 700-800 mm. width and 0À8 to 1 mm. thickness are deformed by at least 15% per pass under a roll pressure of 170-200 metric tons.
Patent GB-267481-A (GB)
Title: Ignition magneto with stationary magnets and armature
IPC: H02K21/38
Filed: 1927-02-09
Abstract: 267,481. Soc. des Magnetos R. B. March 12, 1926, [Convention date]. Inductor machines. - In an inductor-type ignition magneto the machine frame is made of a single block and the stationary magnets 3 have their axis parallel to and preferably coincident with the axis of the inductor so that the magnets and the frame form a closed casing protecting the armature coils. The armature core is formed with laminated extensions 4 carried by the non- magnetic frame and located between the magnet pole-pieces. The inductor comprises a non- magnetic core having two segments 10 of soft steel or laminated iron. With this arrangement, four flux changes per revolution are produced. in the armature core. The contact breaker is carried at the end of the frame or it mav be located within the bore of the frame. The distributer comprises a rotating brush 14 embedded in an insulating mass and adapted to contact with spaced contacts connected to terminals 17. The contact-breaker and distributer may be mounted in a separate casing and be actuated by gearing from the magneto shaft. Short magnets of cobalt steel may replace the horseshoe magnets. The Specification as open to inspection under Sect. 91 (3) (a) describes also a construction in which the magnet 3, Fig. 1 (Cancelled) is at right angles to the axis of the inductor. In another construction, the magnet and inductor axes are coincident but the frame does not enclose the armature coils. This subject-matter does not appear in the Specification as accepted.
Patent GB-1493382-A (GB)
Title: Forage wagons
IPC: A01D90/10
Filed: 1975-01-27
Abstract: 1493382 Unloading forage wagons FARMHAND (UK) Ltd 27 Jan 1975 [26 Jan 1974] 03745/74 Heading B8E A wagon 1 having a rotary discharge device 4 for discharging material laterally of the wagon has conveyer chains 12 with interconnecting slats 13 passing over sprockets 11 to be driven thereby to feed material to the rotor 5 of the discharge device 4. To prevent material building up at the discharge device 4 a leather or similar flap is mounted on an angle section 15 to engage an enlarged portion 10 of the shaft 9 of the sprockets. The flap 14 and section 15 are urged upwards by a spring 16 to form a void 19 into which excess material can enter and from which it can escape by passing the discharge device 4 when pressure builds up sufficiently to overcome the spring 16. Scrapers 20 remove material adhering to the sprockets 11.
Patent GB-658865-A (GB)
Title: Improvements in and relating to the production of phosphate fertilizers
IPC: C05B11/06
Filed: 1949-02-11
Abstract: Ground raw mineral rock phosphate containing for example 75 per cent by weight of tricalcium phosphate is reacted in one or more stages with insufficient nitric acid for the complete conversion to monocalcium phosphate of the tricalcium phosphate content of the rock and the resulting product is cured until set. Nitric acid in a concentration of 45-65 per cent, but preferably 60 per cent by weight of aqueous solution may be employed in an amount of 35-70 per cent, preferably 55-65 per cent by weight in terms of 100 per cent HNO3 of the total weight of raw phosphate reacted, and is preferably added in at least two stages, one-half to two thirds being added in the first stage.  In order that the product may set in 2-3 hours, reaction temperatures above 40 DEG  C. are avoided by precooling the nitric acid and by adding cured and crushed product from a previous run in an amount from 1-2 parts by weight of the total amount of rock phosphate and aqueous nitric acid.  The product after curing may be ammoniated with ammonia gas in a closed system or with aqueous ammonia during granulation, ammonium salts such as the sulphate being added to the crushed product prior to ammoniation in an amount of not less than that required to convert unreacted calcium nitrate after ammoniation to calcium sulphate and ammonium nitrate.
Patent GB-538104-A (GB)
Title: Steel
IPC: C22C38/60
Filed: 1940-03-01
Abstract: 538,104. Alloys. INLAND STEEL CO. March 1, 1940, No. 3849. Convention date, Nov. 10, 1939, [Class 82 (i)] Non-austenitic stainless steels containing up to 1À7 per cent. of carbon and 8-30 per cent. of chromium contain also 0À03-0À478 per cent. of lead in a state of dispersion throughout the steel, the products being stated to have improved machinability. There may also be present 0.05- 0À15 per cent. of sulphur, selenium or tellurium, 0À02-0À15 per cent. of phosphorus, up to 4 per cent. of one or more of the elements copper, molybdenum, tungsten, aluminium, silicon. titanium, vanadium, zirconium, cobalt, and niobium, up to 3 per cent. of one or both of the metals nickel and manganese, and up to 0À15 per cent. of nitrogen. The lead may be added by the methods described in Specifications 520,024 and 520,227.
Patent GB-715947-A (GB)
Title: Manufacture of fluorinated carbocyclic compounds and derivatives thereof
Inventor: STACEY MAURICE
IPC: C07C17/06
Filed: 1951-02-19
Abstract: Heptafluoroadipic acid and derived fluoroamines or fluoroalcohols can produce highly fluorinated polymers.  Products with alternating fluorine-containing and hydrogen-containing residues may be obtained by condensing the acid with hexamethylene diamine, and ethylene glycol.ALSO:Benzene is fluorinated to produce a mixture of partially fluorinated cyclohexanes by heating in the vapour phase with a reactive metal fluoride not above 300 DEG  C. and the products are fractionally distilled.  The products may, without separation, be treated with an oxidizing agent to give a partially fluorinated aliphatic dicarboxylic acid, or the individual fluorocyclohexanes may be heated with aqueous alkali to give fluorinated cyclohexenes which on oxidation give fluorinated aliphatic dicarboxylic acids. In an example, benzene is treated with cobalt trifluoride at 150 DEG  C. and the products distilled; the products are refluxed with permanganate and acidified to give heptafluoroadipic acid, which can be converted into various derivatives; the fractional separation of the initial products gives undecafluorocyclohexane, decafluorocyclohexane, nona- and octa fluorocyclohexanes; undecafluorocyclohexane refluxed with alkali gives perfluorocyclohexene; the deca product gives nonafluorocyclohexene with alkali; an isomeric deca-product gives perfluorocyclohexadiene; perfluorocyclohexene on oxidation with permanganate gives perfluoroadipic acid; nonfluorocyclohexene on oxidation gives heptafluoroadipic acid; perfluorocyclohexadiene oxidized to perfluorosuccinic acid.  Derivatives of the aliphatic dibasic acids referred to include the bis-aniline salts, diethyl esters and diamides, fluoroamines, fluoroalcohols and products by condensation of the acids with hexamethylene diamine, and ethylene glycol.
Patent GB-1349607-A (GB)
Title: Quick-connect-disconnect terminal block assembly
IPC: H01R13/415
Filed: 1972-01-28
Abstract: 1349607 Two-part couplings UNDERWRITERS SAFETY DEVICE CO 28 Jan 1972 [14 June 1971] 4070/72 Heading H2E A quick-connect-disconnect terminal block assembly 10 includes 1st and 2nd terminal blocks 12, 14, which are releasably connected together electrically by blades 46, engaging female connectors 83 in block 14, being guided into contact by guide pins 26, 76, which engage holes (74, 24) respectively (not shown), V- shaped portions 105, 106 of each connector 83, which, for further aid in guiding terminal blades 46, in the event of them becoming bent, is loosely fitting within passageway 82, and is secured therein by detent 112 which engages behind wall portion 87 (Fig. 9, not shown). Connector 83 is further provided with terminal blade 98, to which a conventional female quick connect terminal 38 may be connected. Terminal blade 46 is integrally formed with connector base 44 (not shown) which physically secures the terminal blade within a hole in block 12 similar to hole 82, and is provided with a blade 48 (not shown) similar to blade 98 for engaging female terminal 38 in a similar quick release fashion.
Patent GB-1376505-A (GB)
Title: Recording medium for a spark burning recorder
IPC: B41M5/24
Filed: 1972-01-28
Abstract: 1376505 Recording-apparatus SONY CORP 28 Jan 1972 [30 Jan 1971 (2)] 4139/72 Heading G1J [Also in Division C7] A recording medium 14 for a spark-burning recorder comprises a base 11 which is coloured or has a coloured layer thereon, a second layer 12 on the coloured base (or coloured layer), and a layer 13 on the second layer 12 of vapour-deposited Al or Al-based alloy, the second layer including no conductive material, and the metal layer having a surface sufficiently rough for the glossiness (defined in the Specification) to be less than 20%. The base 11 may be coloured paper whose surface has been polymer-coated and roughened by sandblasting, or white paper coated with coloured pigment such as lead oxide, iron oxide or C black and having a non-conductive resin coating in which may be incorporated inorganic particles to provide a rough surface, e.g. CaCo 3 , BaSO 4 , Al 2  O 3 , Al (OH) 3 , MgO, Mg CO 3 , TiO 2  or glass powder; the Al is conventionally vapour-deposited. In use Al is removed from the medium by spark-burning and the colour of the base makes the image clearly visible; the non-conductive second layer inhibits damage by galvanic corrosion on storage.
Patent GB-474336-A (GB)
Title: Improvements in and relating to circulating pumps for the cooling water of internal combustion engines
IPC: F01P5/10
Filed: 1937-02-12
Abstract: 474,336. Lubricating; cooling cylinders. FORD MOTOR CO., Ltd. Feb. 12, 1937, No. 4197. Convention date, July 9, 1936. [Class 7 (ii)] [Also in Group XXVI] The shafts'29 of circulating-water pumps 33 are lubricated from the main engine lubricating system by lubricant which is thrown by a gear wheel 39 on the main shaft into pockets 41, 42, Fig. 2, and thus into chambers 27, from which it percolates, preferably through porous bronze bushes 28, on to the shafts. In a V-engine two water pumps are each mounted on a casing 19 integral with an engine supporting bracket 26 and a water inlet-hose connection 21 ; the two pumps and the raditor fan are driven by the same belt 18. Any water seeping past a packing, comprising a spring-pressed carbon disc 35 and a rubber sleeve 37, passes down a passage 38 on to the driving pulley, whence it is removed by centrifugal action. Each pump impeller 31 rotates adjacent a machined face 12 of the cylinder block ; to allow for the staggered arrangement of cylinders, one face is formed on the wall of an exhaust passage as shown, while the other is formed on a baffle in front of the corresponding passage. A passage 52 prevents end thrust developing from fluid pressure. Aligned ports 49, 50 allow the cylinders to empty when a radiator drain cock is opened.
Patent GB-126930-A (GB)
Title: Improvements in and relating to Gear Cutting, Slotting and like Machines.
IPC: B23F5/14
Filed: 1919-02-20
Abstract: 126,930. Muir & Co., W., Melloy, J. H., and Owen, W. Feb. 20, 1919. Gear-cutting.-In a machine for cutting spur and spiral gears by a reciprocating generating cutter, the indexing motion is performed instantly by dropping the cutter back at the end of the rolling motion a pitch or more than one pitch during the interval between the cutter leaving the work and re-entering it, in order to avoid any pause in the cutting. The rack-cutter E is carried in the saddle C, which is traversed across the ram slide A during cutting by a scroll cam Q on a shaft P, acting against a similar fixed cam Q<1> on the saddle, the pitch of the cam Q being equal to or a multiple of the pitch of the gear being operated on. On completion of a revolution of the shaft P, the saddle C is pressed back by springs S or other means a distance equal to the pitch of the cam, and cutting automatically recommences. The shaft P is rotated by gear 0 from the shaft N and the work-carrying table J is rotated on the adjustable slide H by wormgear K and change-wheels M through the shaft L.
Patent GB-803935-A (GB)
Title: Simulation of condensers in low frequency or d.c. circuits
Inventor: WHITEHEAD CYRIL CRYER
IPC: H02K16/02
Filed: 1957-02-07
Abstract: 803,935. Dynamo-electric machines. SPERRY GYROSCOPE CO., Ltd. Feb. 7, 1957, No. 4239/56. Class 35. [Also in. Group XXXIX] Two rotors 17, 18 rotate on parallel axes in opposite directions, in the fields produced by two permanent magnets 15, 16 each rotor lying between the north pole of one magnet and the south pole of the other. Each rotor operates as a D.C. motor and is preferably run unloaded, the armature windings being connected either in series or parallel the whole arrangement being used to simulate a large condenser (see Group XXXIX).
Patent GB-917416-A (GB)
Title: Improvements in and relating to methods of securing together parts of ceramic material
IPC: C04B37/00
Filed: 1959-02-06
Abstract: 917,416. Uniting ceramics. PHILIPS ELECTRICAL INDUSTRIES Ltd. Feb. 6, 1959 [Feb. 10, 1958], No. 4264/59. Drawings to Specification. Class 87 (1). [Also in Group XXXVI] Ceramic parts are united by interposing a foil of metal of good electrical conductivity, such as gold, silver, copper or aluminium, or an alloy of two or more of such metals, and heating the assembly to a temperature above the melting point of the metal for a time such that, on cooling, a rigid bond is obtained. Alumina parts of a vacuum tube envelope are assembled with gold foil interposed and the assembly is heated in a vacuum bell at 1300‹ C. for 15 minutes. The more the temperature exceeds the melting point the shorter may be the heating time.
Patent GB-900718-A (GB)
Title: Improvements in and relating to the testing of cinematograph apparatus
Inventor: BRANSON ARTHUR
IPC: G03B21/32
Filed: 1960-02-05
Abstract: 900,718. Gauging kinematographic picture steadiness. BRITISH BROADCASTING CORPORATION. Feb. 6, 1961 [Feb. 5, 1960], No. 4267/60. Class 106 (2). For testing the steadiness of kinematographic pictures, a test object is used having a front plate 10 carrying scales 15, 17 and co-operating verniers 16, 18, the graduations of which are in the form of slits. Exposures of the scales and then of the verniers on the same length of film is facilitated by shutters 24, 25, linked to a knob 30, which obscure simultaneously both scales or both verniers. The relative shift of the scale-slit images and the vernier-slit images on the negative gives the required data. For testing the steadiness of printing mechanism, a further two lengths of film are exposed, one having only scale images and the other only vernier images. The scales are then removed, and the said two lengths of film are again exposed, the shutters being adjusted so as to form images of the shutter apertures adjacent the scale and vernier images. On development, the shutter-aperture images will form opaque regions, and it will thus be possible to print on the same printing strip first scale-slit images and then vernier slit images. Projector unsteadiness can then be determined from the combination of these data with observed image shifts on projection. The shutter mechanism is housed between plate 10 and a back plate 11. The plate 10 is provided with calibration slits 34 and arrow-slits 35 for centring the image. Instead of using slits for exposure by transmitted light, reflecting marks may be provided.
Patent GB-114045-A (GB)
Title: Improvements in Band Clips specially intended for Handling Heavy Cartridges.
Inventor: PARKER MARTIN ROGERS
IPC: F42B39/00
Filed: 1917-03-26
Abstract: 114,045. Parker, M. R. March 26, 1917- Parcel and like carriers.-Relates to metal clips for fastening crossed, bands of fabric B, Fig. 1, such as are used for handling ammunition cartridges. The clips are made with an imperforate central part 2, Fig. 2, and four arms 3 having two points 4 each. The arms are bent over between the crossed bands, and the points are clinched into the fabric.