baber/WOPTO huggingface dataset:
Patent GB-727763-A (GB)
Title: Improvements in or relating to suction press assembly and method of treating a travelling paper web in a paper-making machine
Inventor: BEACHLER EDWARD DUSCHL
IPC: D21F3/02
Filed: 1953-02-02
Abstract: 727,763. Wet press sections of paper-making machines. BELOIT IRON WORKS. Feb. 2, 1953, No. 2885/53. Class 96. The pulp web W on the wire-cloth 10 of a Fourdrinier paper-making machine, after passing over a suction couch roll 11 is taken off by a suction pick-up roll 17 and conveyed by a felt 15 to a wet press 24, the lower suction roll of which transfers the web W to a lower press felt 28 which conveys it to a roll 32 &c. having a high suction zone 34 for transferring the web to a third felt, and a low suction zone 36 for withdrawing water at the nip between the roll 32, and a Yankee dryer drum 35 from which the web W is doctored at 39. Trays are fitted adjacent to the four suction rolls 11, 17, 25 and 32.
Patent GB-1115973-A (GB)
Title: Coke fillers
IPC: C10C3/00
Filed: 1966-01-21
Abstract: Polymer compositions comprise one of polyisobutylene, polypropylene, ethylene-propylene rubbers and copolymers of isobutylene and a minor amount of isoprene with 250 to 500 parts (per 100 parts by weight of polymer) of a severely attrited coke with surface area from 10 to 250 m2g-1, pH from 2 to 5 and oxygen content from 0.2 to 7.0%.  The coke serves both as a filler and a curing agent for the polymer.ALSO:A severely attrited coke with surface area from 10 to 250 m2g-1, pH from 2 to 5 and oxygen content from 0.2 to 7.0% is claimed per se. It can be prepared from coke derived from anthracite, bituminous coal, or preferably petroleum, said coke preferably being uncalcined by grinding with steel balls in a ball mill for up to 48 hours, e.g. 5 to 25 hours, at 20 DEG  to 95 DEG  C.
Patent GB-127553-A (GB)
Title: Improvements in and relating to Tone Production for Stringed Musical Instruments.
Inventor: FLORESCO SILVIO
IPC: G10D1/02
Filed: 1919-02-06
Abstract: 127,553. Floresco, S. May 30, 1918, [Convention date]. Violins and like bowed instruments. - The tone is improved by temporarily applying an increased pressure in the region of the bridge; the force may be increased progressively and varied intermittently. As shown, a violin belly is mounted on a wooden support provided w i t h tuning-pegs d and tailpiece c, and four metal wires, preferably pianoforte strings, are stretched over a strong bridge f, which may be supported by a prop h as well as by the usual bar g. After tuning to normal pitch for a week, the pitch may be raised week by week a semi-tone at a time for 4-8 weeks. The strings may bo variably stopped by a presser or cord.
Patent GB-277547-A (GB)
Title: A mudguard for use in connection with boots or shoes
IPC: A43B3/16
Filed: 1927-02-02
Abstract: 277,547. Bould, B. Feb. 2, 1927. Mudguards. - A mudguard, particularly for Louis heels, is adapted to be fitted just above the tread, and comprises a crescent-shaped member A of substantial thickness at the inner part which engages round the heel and having its heel-engaging face shaped to correspond substantially to the shape of the heel, so that the laterally-projecting part of the guard is held rigid in position.on the heel. The ends of the member A are formed with projections a over which the perforated ends of a, band B are passed.
Patent GB-602090-A (GB)
Title: Improvements relating to the concentration of precious metals in mattes and their recovery therefrom
IPC: B23Q35/26
Filed: 1946-01-30
Abstract: In a process for concentrating platinum group metals and gold present in a copper-nickel matte having a sulphur content sufficient to combine with at least 75 per cent but not all of the base metals present, the matte is cooled at a rate not exceeding 40 DEG F. per hour from the molten state to 950 DEG F. to cause the uncombined base metals to crystallise independently of the sulphides.  The matte is then comminated, and the metallic grains with the platinum group metals and gold relatively highly concentrated in them are separated from the sulphide crystals. The said precious metals are then extracted from the base metals of the metallic grains Before said extraction the grains may be partly converted into sulphides, and again subjected to slow cooling, comminution and separation of the metallic grains from the sulphide crystals.  The conversion to sulphides may be effected by bessemerising the metallic grains with green furnace matte.  In the preferred initial matte the ratio of the uncombined base metals to the gold and platinum group metals is greater than 500 : 1, and the former preferably contain a substantial proportion of magnetic elements so that they can be separated from the sulphides magnetically.  In a modified process the matte is of such a composition that when cooled it forms a sulphide top and a metallic bottom, which are separated, the top being then comminuted and treated as stated above.  Specification 602,028 is referred to.
Patent GB-719478-A (GB)
Title: Improvements relating to suspensions of the driving units of motor vehicles
IPC: B60K5/12
Filed: 1952-02-06
Abstract: 719,478. Motor vehicles. DAIMLER-BENZ AKT-GES. Feb. 6, 1952 [Feb. 6, 1951], No. 3125/52. Classes 79(3) 79(4) and 79(5) In a motor vehicle a member is connected to the frame so as to swing about a transverse axis, supports a pair of vehicle wheels by springs abutting the member in a transverse plane, and supports the driving unit, preferably comprising the engine and gearing, in a transverse plane located on the side of the spring abutment plane opposite to the transverse axis. As shown the invention is applied to a vehicle having its engine 10, clutch 11 and changespeed gear 12 formed as a unit and arranged between steerable front wheels 23 and driving the rear wheels (not shown) through a propeller shaft 33. Alternatively the unit may be arranged at the rear or may drive the wheels 23. The vehicle frame comprises longitudinal members 13, 14 connected together at the front end by a transverse member 15. To the member 15 is resiliently connected at 18 a horse-shoe shaped member 16 which is also resiliently connected at 19, 20 to the members 13, 14. Alternatively the mounting 18 may be a pivotal connection. The wheels 23 are guided from the member 16 by superposed links 24 and helical springs 26. The engine unit is resiliently mounted on the member 16 at 29, 30, such mountings being disposed on or behind a vertical plane containing the centre of gravity of the unit. Also mounted on the member 16 is a radiator 34 and the steering gear 35. The engine unit has an extension 32 which is resiliently mounted on the frame by means of a semi-annular rubber mounting 31. Specifications 677,861 and 705,534 are referred to.
Patent GB-211144-A (GB)
IPC: F02N99/00
Filed: 1924-02-07
Abstract: 211.144. British Thomson-Houston Co., Ltd., (Assignees of Compagnie Fran- þaise pour l'Exploitation des ProcÚdÚs Thomson-Houston). Feb. 7, 1923, [Convention date]. Cylinders receiving liquid fuel.-An electric heater, which is used for starting, comprises a tube 2 of refractory metal in which projects an electrode 3. The tube 2 has a spreader 11 for the injected fuel and the electrode is mounted on a screwed sleeve 4 having a handle 7. An electric current is supplied by wires 8, 9 and the tube 2 is heated by bad electrical contact, between the electrode and the tube, which may cause arcing.
Patent GB-1243847-A (GB)
Title: Toy constructional set
Inventor: FISCHER ARTUR
IPC: A63H33/04
Filed: 1969-01-21
Abstract: 1,243,847. Toy constructional set. A. FISCHER. 21 Jan., 1969 [24 Jan., 1968], No. 3317/69. Heading A6S. A constructional set comprises a plurality of building bricks, each of which consists of a hollow body portion (Fig. 2) provided with reentrant tongue and groove connections 2, 3 and 4 for interlocking engagement with other bricks, and a detachable lid portion (Fig. 1) carrying an electrical element 9 connected to contacts 13, 14. One of the grooves 3 has two recesses 15, 16 in which contacts 13, 14 engage when the lid is in position. Two such bricks are connected by a connecting element (Fig. 3), consisting of two conducting parts 18, 19 separated by an insulating layer 20 and having two re-entrant tongues 22, 23 respectively inserted in grooves of different bricks. The connecting element may be adapted for connection to electrical wires, and the electrical elements may be connected in series or in parallel.
Patent GB-804827-A (GB)
Title: Improvements in or relating to coil carriers intended for use in magnetic amplifiers
IPC: H01F5/02
Filed: 1957-01-30
Abstract: 804,827. Inductors. SIEMENS-SOHUCKERTWERKE A.G. Jan. 30, 1957 [March 12, 1956], No. 3344/57. Class 38 (2). [Also in Group IX] A coil-carrier for use in magnetic amplifiers comprises at least two double-flanged bobbins such as that shown in Fig. 1, the flanges of each bobbin having means, such as the tongues and slots 5, 7, to engage the flanges of adjacent bobbins. Preferably the bobbins are arranged in two groups each comprising such a pair. The bobbins are hollow and their flanges are recessed at 4; in each group of two bobbins the recesses register so that each group can receive a U- shaped lamination, and windings can pass each around one bobbin of one group and one bobbin of the adjacent group. The top and bottom of the assembly are each provided with a two-part cap, Fig. 2, each part covering the lamination of one group and being engaged by projections on the flanges. Adhesive may be used to join the flanges of adjacent bobbins and to join the caps to the flanges. The bobbins are moulded from transparent plastic, and the assembly is sealed in transparent resin.
Patent GB-588133-A (GB)
Title: Improvements in metal-glass sealing processes
IPC: H01J5/26
Filed: 1941-03-13
Abstract: 588,133. Sealing metal to glass. REITH, A. M., and WRIGHT, C. S. March 13, 1941, No. 3405. [Class 36] In metal-glass sealing processes wherein one or more thin laminµ of metal such as copper are sealed between two or more tubular members of glass, the metal and glass members being arranged alternately, the laminµ are given a local curvature or deformation in the region where they are sealed between the tubular glass members, to give added rigidity and prevent buckling. In Fig. 2, the lamina 1 is formed with a circular groove 8 of the same diameter as the glass members 2, 3. Further grooves or other curvatures or deformations may be provided outside the region of the seal. In another form, the laminµ are given a curvature in the region of the seal which is continuous with the curvature of the inner parts 6 of the laminµ. In other forms, grooves of V or substantially rectangular section are provided. Specifications 420,783, 433,233, [both in Group XI], and 534,144, [Group XL], are referred to.
Patent GB-699829-A (GB)
Title: Process for the preparation of optically active aminopropane diols
Filed: 1951-02-12
Abstract: Optically active isomers of 2-amino-1-p-nitrophenylpropane - 1 : 3 - diol are manufactured by resolving DL-erythro 2-o-carboxybenzamido - 1 - p - nitrophenylpropane - 1 : 3 - diol through the brucine salt and hydrolysing under acid conditions an optically active isomer thus separated.  In an example, the racemic compound is combined with brucine in boiling isopropanol, and the solution is diluted with water and left for the brucine salt of the L-isomer to crystallize. The mother liquor is evaporated to dryness and the residue is crystallized from methanol, giving the salt of the D-isomer.  Each salt is treated with aqueous caustic soda, the liberated brucine is extracted with chloroform, the aqueous phase is acidified with dilute sulphuric acid, and the product is hydrolysed by boiling with dilute hydrochloric acid.  Specifications 685,021, 692,265 and 699,808 are referred to.
Patent GB-919505-A (GB)
Title: Improvements in couplings for rolling mills
IPC: B21B35/14
Filed: 1961-01-30
Abstract: 919,505. Universal joints. MOELLER & NEUMANN G.m.b.H. Jan. 30, 1961 [Jan. 30, 1960], No. 3420/61. Class 80 (2). In a rolling mill coupling wherein a spindle 1 is universally connected at each end to sleeves 8 having facial teeth 8a which engage corresponding teeth 11a on rollers 11, springs 17, 18 between the spindle 1 and sleeves 8 hold the latter in axial alignment with the spindle 1 when the sleeves are disengaged from the rollers 11. Tongues 2 on each end of the spindle 1 lie between slippers 7 journalled within the sleeve 8, and a pin 6 passing through holes in the slippers and a slat in the tongues 2 permits axial movement of the sleeve 8 relative to the spindle 1 whilst preventing complete axial separation. The sleeves 8 are disengaged from the rollers by fluid pressure operated servos 15 which retract pistons 14 and discs 13, the latter engaging grooves 8c in the sleeves 8. During engagement the teeth 8a, 11a are centred by a conical spigot 8b engaging a complementary recess in the roller 11, the conicity of the spigots being not less than the greatest angle of inclination of the spindle 1. Specification 854,245 is referred to.
Patent GB-233436-A (GB)
Title: Elastic tie clip
IPC: A44B6/00
Filed: 1924-02-09
Abstract: 233,436. Underdown, T. Feb. 9, 1924. Clips, pivoted-jaw.-A necktieretainer comprises a wide-mouthed spring clip A with serrated overlapping jaws b adapted to grip the bottom of the tie and an elastic cord F attached to the clip with a runner loop F<1> at its lower end adjustably to attach it to the trousers' front. Specification 13221/05 is referred to.
Patent GB-307176-A (GB)
Title: Improvements in gas controllers
IPC: F23Q9/02
Filed: 1928-02-03
Abstract: 307,176. Metropolitan Gas Meters, Ltd., and Forster, J. D. Feb. 3, 1928. Clockwork-actuated valves.-Relates to clockwork gas controllers as described in Specification 167,392 in which a pair of independent lift valves b. c control the gas supply to independent burners and are operated by an internal double armed lever e pivoted to lever f, d actuated by tappets connected to a 24-hour dial. The pair of opening tappet arms of the prior arrangement is now replaced by a single tappet arm m to which is pivoted a spring-urged tappet piece n which is pressed back on first contact with the operating roller d<1> thereby stressing its spring. Further movement releases the energy of the spring so that the tappet piece n strikes and operates the lever d quickly to its extreme position, the antifriction roller d<3> passing from the part h to the cam surface i of the spring trip lever g without resting in the intermediate dwell part j. The valves b, c are thereby simultaneously opened at predetermined intervals.
Patent GB-633248-A (GB)
Title: Improvements in or relating to liquid-flow recording devices
IPC: G01F3/16
Filed: 1948-02-20
Abstract: 633,248. Liquid meters. CHARRISON, W. H. Feb. 20, 1948, No. 3469. [Class 69 (ii)] Flow of liquid between pipes 20, 21 causes a piston 1 to move along a spindle 2 until it strikes either of the two collars 12, when the spindle is moved to operate valves 3 against springs 4, 6 through toggle levers 5 and connecting links 28. The spindle is held in its extreme positions by a spring-pressed ball 11, and as it moves it operates counter mechanism through gears 13 and free-wheel clutches.
Patent GB-728474-A (GB)
Title: An electrostatic precipitator power supply system
IPC: B03C3/66
Filed: 1953-02-09
Abstract: 728,474. Supply systems for consumption apparatus; rectifying. AIR PREHEATER CORPORATION. Feb. 9, 1953 [Feb. 18, 1952], No. 3563/53. Classes 38 (2) and 38 (4). An electrostatic precipitator power supply system of the type having the precipitator electrodes, not shown, supplied through a rectifier 23 from a high output voltage transformer 22 is provided with saturable reactors L1, L2 having their A.C. windings 26, 25 respectively connected in series and in parallel with the transformer primary winding and their magnetizing windings supplied with separate but variable magnetizing currents, means being arranged to cyclically control variations of the latter in synchronism with rotation of the precipitator rotor or of its electrode cleaning apparatus whereby to energize the two reactors in oppositely phased relationship so that they combine to reduce the electrode voltage during cleaning periods. The magnetizing currents are supplied through rectifiers 31, 32 from variable inductors 33, 34 connected across an auxiliary A.C. supply 30 and whose wipers 35, 36 contact their turns, said wipers being moved by e.g. screw and spur gearing 37, 38 such that, e.g., as one supplies increasing voltage the other supplies decreasing voltage to their respective reactors. There is a separate system for each electrode bank.
Patent GB-509055-A (GB)
Title: Improvements in or relating to liquid level control devices intended particularly for maintaining the oil level in bearings
IPC: F16N19/00
Filed: 1938-02-04
Abstract: 509,055. Lubricating. BRITISH JEFFREY-DIAMOND, Ltd., SAVILLE, A. YORKE-, and STOTHERT, R. N. Feb. 4, 1938, No. 3599. [Class 12 (iii)] [Also in Group XVIII] A device for maintaining a predetermined oil level 11 in a bearing housing 10 to which oil is supplied continuously or intermittently, comprises channels 16, 17, communicating with an overflow pipe 19 adjustably threaded in a socket member 21. Overflow is conducted away through a passage 23. A hood 20 is provided, and a tube 24 for the insertion of a thermometer. Temperature of the oil is controlled by varying the setting of the overflow 19.
Patent GB-120546-A (GB)
Title: Process and Apparatus for the Production of Ammonia from Atmospheric Nitrogen.
IPC: C01C1/04
Filed: 1918-02-28
Abstract: 120,546. General Chemical Co., (Assignees of Jahn, F. W. de]. Nov. 3, 1917, [Convention date]. Drawings to Specification. By aerating ascending column.-The Specification as open to inspection under Sect. 91 (3) (a) includes the subject matter of Specification 124,761 which describes an apparatus for washing gases under pressure in which liquid is raised in a tube by the gas. This subject-matter does not appear in the Specification as accepted.
Patent GB-775916-A (GB)
Title: Antibiotic purification and compounds
Filed: 1955-02-08
Abstract: Tetracycline or chlortetracycline are purified by treating an aqueous solution thereof, e.g. a fermentation broth, in the presence of polyvalent metallic ions, with an amine or quaternary ammonium salt having at least 8 carbon atoms, at a pH of at least 5.5, and recovering the resulting metallic ion-organic base-tetracycline or chlortetracycline complex precipitate.  The organic base precipitant is added to an acidified filtered broth, which is then adjusted to a pH of 6 to 10, and preferably 8.0-9.5, by the addition of a soluble alkali such as sodium or potassium hydroxide.  The complex precipitate is dissolved in an alcohol or ketone containing 1 to 4 carbon atoms per molecule by the addition of acid to pH 2-2.5, or calcium chloride, and a crystalline hydrochloride formed by the addition of hydrochloric acid.  Excess metallic ions in the broth may be removed by the sequestration method of Specification 718,027.  If insufficient ions are present in the broth, ions are added.  The organic precipitants are primary, secondary and tertiary amines and quaternary ammonium salts.  Specified are aliphatic amines of 8-10 C atoms, e.g. octylamine, nonylamine, decylamine and technical mixtures thereof; alkyl (C = 8-18) trimethyl ammonium chlorides, especially dodecyl trimethyl ammonium chloride in the form of its technical mixture "Arquad C" (Registered Trade Mark); a substituted stearyl imidazolinium chloride; alkylbenzyl trimethylammonium chloride; p-di-isobutyl phenoxy-ethoxyethyl - dimethyl - benzyl ammonium chloride; cycloalkylamines and heterocyclic compound.  The recovery of tetracycline from the aqueous product obtained by the process described and claimed in Specification 787,895 forms no part of the present invention.
Patent GB-1169791-A (GB)
Title: Bearing Lining
IPC: F16C33/20
Filed: 1967-01-26
Abstract: 1,169,791. Bearings. KIENZLE UHRENFABRIKEN G.m.b.H. 26 Jan., 1967 [3 Feb., 1966], No. 3896/67. Heading F2A. A synthetic plastics material bearing-lining 5 is secured in a metallic mechanism-plate 1 of a time-piece, a hole in the plate 1 being formed by the combination of circular apertures 6, 8, 8<SP>1</SP> and 8<SP>11</SP> which also form protuberances 7, 7<SP>1</SP>, so that, when the synthetic plastics material shrinks after being injected into position, the lining 5 is wedged by the protuberances 7, 7<SP>1</SP>. An integral thrust collar of synthetic plastics material may be provided adjacent the surface of the plate 1 which receives axial thrust.
Patent GB-1337307-A (GB)
Title: Self-propelled electric vehicle and battery mount
IPC: B60K1/04
Filed: 1971-02-04
Abstract: 1337307 Electric vehicles BATTERY POWER UNIT CO Inc 4 Feb 1971 3925/71 Heading B7H In a self propelled electric vehicle comprising a pair of wheels 23, 24 mounted on a frame 22 and driven by respective electric motors 31, 32 a battery 30 is supported on means 30 having a pair of inputs electrically connected to the motors and which engage a pair of output contacts of the battery when it is supported on the support means. The battery casing has lifting handles 83, an insulating material, and electrically-conductive support flanges 82 comprise the output contacts which rest on conducting support rods 61, 62 insulated from the frame by spacers (71) (72), Fig. 8 (not shown). A base 35 pivotally mounted on the frame 22 supports the motors 31, 32 and drive belts 49 of respective motors are tensioned by compression springs mounted on the support rods 61, 62 which extend through apertures 64 in the base 35 and form the inputs for the motors. The transmission train includes further belts (53), Fig. 3 (not shown), which extend around sheave members 51 and sheave members 28 fast for rotation with the wheels. The vehicle may be steered by a wheeled appliance releasably and pivotally coupled to the frame and a body 6 (Fig. 1, not shown) preferably of moulded glass fibre is removably mounted thereon. A foot control switch 10 stops and starts the motors 31, 32 and a hand operated switch control station (9) may control forward and reverse switches which alter the polarity of the motors (Fig. 9, not shown) and also slow and fast switches connect the motors in parallel and series respectively. The vehicle may be stopped by a mechanical brake arrangement 93, 94.
Patent GB-562441-A (GB)
Title: Improvements in rotary pumps and engines
IPC: F01C1/348
Filed: 1943-03-11
Abstract: 562,441. Rotary pumps or engines. BATH, W. W., and A.B.C., MOTORS, Ltd. March 11, 1943, No. 3965. [Class 110 (ii)] In a sliding vane type of pump or engine, the rotor is' built-up of four segments g<1> pivoted on pins i which are secured to end discs j<2> by screws j The pins are reduced in diameter in parts leaving parts to act as journals. Fig. 1 shows a pump having vanes f with connecting webs f<2>, the two webs being located at opposite ends of the rotor so as to clear one another during the sliding movement of the vanes. 'The vane tips slide on flats e<2> in a ported sleeve e, packing or antifriction metal a<4> being provided in the casing. Shoes f<1> of anti-friction material are fitted to the vane tips. A removable strainer c<1> is located on the suction side of the pump. Stuffing boxes k are provided. A hub is hollow to allow entry of lubricant from a reservoir n to pass through a non-return valve o. The ported sleeve e may be dispensed with. In this case the vanes are toothed at their inner edges, the teeth of one vane being slidable in the notches of the opposite vane.