baber/WOPTO huggingface dataset:
Patent GB-839817-A (GB)
Title: A process and apparatus for the preparation of loose solid materials of predetermined mixed composition
IPC: B65G69/10
Filed: 1958-07-24
Abstract: 839,817. Continuous discharge mixing machines. STAMICARBON N. V. July 24, 1958 [July 29, 1957; April 3, 1958], No. 23907/58. Class 86 [Also in Group XXIX] A coal or other mineral preparation method to produce a finished product of quality which is uniform and approximates very closely throughout to a predetermined mean value less than that of the variable raw material, com prises separating the raw material with at least two fractions of differing quality; taking one of the fractions continuously testing a representative sample thereof and continuously adding material from the other fraction or fractions to provide a delivered material of the required quality and uniformity. In the embodiment of Fig. 1 coal from a separating plant 1 is carried by a scraper conveyer 2 over bunkers 3-7 having inlet gates 9-13 hinged at 8 and actuated by pneumatic valves, Fig. 3 (not shown) which are solenoid operated by an electric control circuit, Figs 4a and 4b (not shown) according to impulses received from an X-ray testing apparatus 20 which continuously tests a representative sample taken at 19. The material is then admitted to one of the bunkers 3-7, according for example to the percentage content of ash found in the sample, by the opening of the appropriate inlet gate. The bunkers discharge on to a conveyer 23 which delivers to a mixing device (which may be a system of belt conveyers) 24 and thence to a loading conveyer 25. A continuous sample is tested by another X-ray testing apparatus 26 which similarly controls the outlet gates 14-18 of the bunkers 3-7, so that material from the different bunkers is delivered in proportions to produce a final material of the required quality. In another embodiment, Fig. 5, of a coal preparation plant, raw coal R enters a separating and upgrading plant 201 and is divided at a given specific gravity into a stream 202 for delivery at S and a stream 203 (having a higher ash content than 202) for delivery at T. A testing instrument 205 measures the ash content for a continuous representative sample drawn at 204 and with appropriate delay opens a gate 207 through which stream 202 is diverted, whenever the ash content exceeds a predetermined level; such material may be added to stream 203. Another testing instrument 213 measures the ash content of samples taken at 211 and when the ash content falls below a predetermined limit actuates a distributer 210 which adds to stream 202 through a mixing device 209 material from stream 203, thus maintaining a uniform ash content in the material delivered at S.
Patent GB-1269163-A (GB)
Title: A process of preparing a protease inhibitor
Inventor: MANSFELD VIKTOR
IPC: A61K38/57
Filed: 1970-05-19
Abstract: 1,269,163. Preparation of protease inhibitor. SPOFA UNITED PHARMACEUTICAL WORKS. 19 May, 1970 [19 May, 1969], No. 24065/70. Heading A5B. Protease inhibitor is obtained from pancreas, e.g. of pigs or cattle, by first extracting the insulin by means of an acid aqueous ethanolic medium (70% ethanol), treating the residue with 60-70% aqueous ethanol at pH 10 to 13, removing the alcohol and precipitating lipoids by cooling, precipitating protein with ammonium or magnesium sulphate, preparing an aqueous suspension of the precipitate at 50 to 80C and with a pH of 5.5-7.5 by addition of trichloroacetic or sulphosalicylic acid, cooling, removing the precipitated ballast protein, adjusting the filtrate to pH 7.0 to 7.5, saturating it with NaCC and adding HCl to pH 1 to 3 to precipitate the inhibitor, which may be further purified by conventional procedures.
Patent GB-913267-A (GB)
Title: A device for draining water from flat surfaces such as roofs
IPC: E04D13/04
Filed: 1960-07-11
Abstract: 913,267. Roof drainage. HARRISON, E. DU G. July 11, 1960 [July 9, 1959], No. 24084/60. Class 33. In a device for draining water from flat surfaces, such as roofs, comprising a sump 9 and a ring 10 to clamp sheet material 13 covering a surface thereto, the ring 10 is held by at least one connecting member pivotally secured inside it, about an axis normal to the axis of the ring, screw means clamping the ring 10 to the sump 9. The screw means is preferably captive on the connecting member(s). A grating 11, which is domed or flat, may cover the sump 9, a connecting member, which is a bowed stirrup 12, being connected between them (Fig. 2), and in it there may be a slot 17 enlarged at 18 for passage therethrough of a screw 16. To prevent the stirrup contracting and slipping along the shafts 15 various means can be used. The stirrup 12 is held centrally by the screw 16, is pivoted to the sump 9 by slotted legs which pass over stub shafts 15 on bosses 19, and is made of a springy material for clipping into position in the sump. In a modification the stirrup 20 is T-shaped (Fig. 4), the head of the T being pivoted in bores 21 in bosses 19 in the sump 9 and the screw 16 on the leg 23 of the T is secured in position by a split pin 22.
Patent GB-226874-A (GB)
Title: Improvements in or relating to carburettors
IPC: F02M23/09
Filed: 1923-09-27
Abstract: 226,874. Adams, A. J. Sept. 27,1923. Spray carburettors.-A suction-actuated piston n, o carrying a choke tube n<1> provided with an extension o<1>, controls aerated fuel from the nozzle d and secondary air supplied through an annular passage x, in such a manner that the rate of increase in the amount of secondary air supplied is greater than that of the aerated fuel. The nozzle d is supplied with fuel through a tube a, and has an air inlet at its base e, the aerated fuel passing through divergent outlets f below the tapering end portion g. The secondary air enters the annular passage x through coacting ports q, r in the upper part k of the casing, and in the upper part o of the piston respectively. An outer casing h is provided.
Patent GB-185743-A (GB)
Title: An improved method of, and apparatus for, printing fabrics, wall paper and the like
IPC: B41F17/00
Filed: 1922-09-06
Abstract: 185,743. Bauer, J. J. Sept. 7, 1921, [Convention date]. Printing in several colours; rotary machines; tripping-arrangements.-To permit a large number of different multi-coloured patterns to be printed on cloth, silk, cardboard or other material by the. same printing-rollers, these rollers are provided with repeating designs arranged so that the distance between corresponding points of the designs both along and around the rollers is equal to, or a multiple of a common unit of measure, whereby various combinations of the rollers may be employed to produce different combination patterns. Figs. 20 to 23 show four patterns obtainable from a pair of printing-rollers provided with the designs shown in Figs. 5 and 6, these different patterns being obtained by adjusting one of the rollers angularly or longitudinally, or both angularly and longitudinally with respect to the other roller. If the rollers are of slightly different diameters, a compensating device is provided to retard the larger roller to keep the designs in register. This compensating device comprises a worm-wheel b, Fig. 1, on the printing roller shaft and a worm c mounted on the box-wheel a and carrying a ratchet disc e adapted at each revolution of the gear a to strike against a stationary but adjustable stop f and thereby impart a slight backward movement to the worm-wheel b. Fig. 3 shows a construction of bearing which permits of the use of box-wheels too small to engage the crown wheel v thus allowing the use in combination of printing-rollers of widely different diameters. This bearing comprises a part s formed with teeth to engage similar teeth on a part r of a frame x which is vertically adjustable by a screw m and horizontally adjustable on the support o. The part s carries three spindles, the upper two of which carry the box-wheels a, of different sizes ,and the lower an intermediate wheel u equal in size to the wheel a which gears directly with the crown-wheel v. Adjustment of the bearing s longitudinally of the spindles is effected by screw mechanism z.
Patent GB-662608-A (GB)
Title: Purifying propyl alcohols by azeotropic distillation
IPC: C07C29/82
Filed: 1949-09-20
Abstract: A mixture of lower aliphatic alcohols consisting mainly of isopropyl alcohol and some n-propyl alcohol, and containing acetals and carbonyl compounds as impurities, is subjected to azeotropic distillation together with water and cyclohexane to produce as distillate ternary azeotropic mixtures of the alcohols, cyclohexane and water, substantially free from said impurities; the distillate is condensed and cyclohexane is separated by decantation from the condensate.  The given mixture is preferably subjected to a preliminary distillation to separate a fraction boiling from about 75 to 85 DEG C. which is then subjected to the azeotropic distillation. Water is preferably added to the condensate before separating the cyclohexane.  The aqueous solution remaining may then be fractionally distilled to separate the aqueous azeotropes of isopropyl and n-propyl alcohols, as distillate.  The process is particularly applicable to the mixture obtained by hydrogenation of a fraction containing propionaldehyde, acrolein, methyl, acetone, allyl alcohol, iso-and n-propanols, iso- and n-butanols, isolated from the products of the partial oxidation of butane or mixtures of propane and butane.
Patent GB-462355-A (GB)
Title: Improvements in or relating to frames for typewriters and calculating and like machines
IPC: B41J29/02
Filed: 1935-08-30
Abstract: 462,355. Typewriters &c. WANDERER-WERKE VORM. WINKLHOFER & JAENICKE AKT.-GES. Aug. 30, 1935, No. 24274. Convention date, Sept. 5, 1934. [Class 100 (iv)] [Also in Group XIX] In a built-up frame for typewriters and calculating or like machines, the frame members 1, 2, 3 are provided at one or more joints 9 with an outside groove or slot 10 or a rib for concealing the joint, thereby obviating finishing of the surfaces adjacent the joint and, moreover, enabling the members to be separately lacquered before assembly.
Patent GB-665355-A (GB)
Title: Improvements in or relating to machines for centrifugal casting of hollow cylindrical metal bodies
IPC: B22D13/10
Filed: 1948-09-15
Abstract: 665,355. Centrifugal casting-machines. CENTRIMETAL. Sept. 15, 1948 [April 29, 1947], No. 24289/48. Class 83(1) A centrifugal pipe-casting machine has a spherical coupling between each end of the mould and the rotary head by which it is carried. The head 8 is driven by a shaft 6 and drives the mould 3 by slots and pins 9. An end plate 10 secured to the mould is engaged by a chuck 11 formed externally as a spherical coupling to move within the head 8, springs 12 taking up axial expansion of the mould. The other head is similar but is not positively driven and is carried by a hollow shaft mounted to turn freely in a bearing and is arranged to receive the end of a stationary pourer. The Specification as open to inspection under Sect. 91, describes also such a machine, having its mould 11, Fig. 1 (Cancelled), made in two halves to facilitate the extraction of the casting 14, the halves being held together by hinged rings 12 secured by pins. The bearing of the counter head 17 is cooled and lubricated by oil from a pump 25 and is moved axially to engage the mould by a rack 23 and a pinion rotated by a hand wheel 22 and clamped by a screw and lever 24. The molten metal is poured through a funnel 26 by tilting a hopper 29 by a handle 30. In a modification the hopper is arranged to overbalance and discharge into the funnel when the correct weight of metal has been poured into it. In another modification, Fig. 3 (Cancelled), the head 17 is omitted and the driven head is a cylinder 3 in which the mould 10 is fitted, 4 being a shield. The funnel 19 is moved axially by a rack, pinion and hand wheel 9 and the hopper 11, balanced by a weight 16, moves when correctly charged to close a switch 17, thus lighting a warning lamp or actuating a motor-controlled mechanism to discharge the hopper. This subject-matter does not appear in the Specification as accepted.
Patent GB-1041184-A (GB)
Title: Improvements in or relating to teaching machines
Inventor: GOREHAM PETER ERNEST
IPC: G09B7/08
Filed: 1963-06-19
Abstract: 1,041,184. Educational appliances. LAMSON TECHNICAL PRODUCTS Ltd. June 18, 1964 [June 19, 1963], No. 24390/63. Heading G5G. A question and answer device comprises a manually or electrically-operated pin feed means 12, Fig. 1, for feeding of a programme web 3, bearing questions 6 and a plurality of possible answers 7 to the questions, one answer 8 only being correct and identified by a code formation 9 and selection means 24, such as transparent pivotable plates 24 bearing sensing means 23 which engages one of the buttons 22, Fig. 2, passing through said code perforation 9 to release the pin feed means 12. In operation, assuming correct answering of a question, the button 22 pivots a lever 20, whereby a pin 26 thereon frees a cam 17 and a handle 13 for manual advance of the web 3 can be operated, the lever 20 being latched by a pin 27 abutting against a second lever 28. Towards the end of advancement of the web 3 a pin 30 on the cam 17 engages a stop 29 on the lever 28 to pivot the lever out of the path of the pin 27 to restore the lever 20 whose pin 26 arrests the web pin feed means 12 when a new programme has been fed into view under a transparent window 2. Reverse feeding under these conditions is prevented by the pin 30 engaging the stop 29. In another embodiment (not shown), a pair of contacts is associated with the buttons 22 to operate an electric motor connected to the pin feed means 12 via a clutch mechanism (not shown).
Patent GB-1074066-A (GB)
Title: Optical apparatus for a flow type scanning system
IPC: H04N3/02
Filed: 1964-06-12
Abstract: 1,74,066. Copying apparatus. EASTMAN KODAK CO. June 12, 1964 [June 18, 1963], No. 24433/64. Headings G2A and G2J. A copying apparatus which produces a line by line copy of an original on movement of the original 10 and copy material 11 in opposite directions, is provided with an optical system between the original and copy material, the optical system comprising first and second optically aligned primary cylindrical lenses 21, 22, a plurality of first and second optically aligned secondary cylindrical lenses 25, 26 having their cylinder axes perpendicular to the cylinder axes of the primary lenses, and baffle means 30 for optically insulating each pair of lenses 25, 26. The lenses 25 are arranged contiguously on a plane surface of the cylindrical lens 21, and the lenses 26 are similarly arranged on a plane surface of the lens 22.
Patent GB-171072-A (GB)
Title: Improvements in and relating to operating and control systems for the doors of railway carriages
IPC: E05F15/56
Filed: 1920-07-30
Abstract: 171,072. Hedley, F., and Doyle, J. S. July 30, 1920. Footboards, steps, and hand-grips.-In a control system for operating the doors of railway carriages, at each control station the control boxes 27, Fig. 14, are provided with grabs 25 for the guard to grasp while standing on raised supports 26, which may be telescopic devices containing springs 13, as shown in Fig. 15.
Patent GB-1343734-A (GB)
Title: Catalytic hydrogenation of polymers containing carbon-carbon  double bonds
IPC: C08C19/02
Filed: 1971-04-19
Abstract: 1343734 Hydrogenation catalysts BADISCHE ANILIN- & SODA-FABRIK AG 19 April 1971 [20 March 1970] 24654/71 Heading B1E [Also in Division C3] Catalyst for use in the hydrogenation of polymer containing carbon-carbon double bonds is prepared from (a) 1 molar proportion of a compound of iron, cobalt or nickel, (b) from 1 to 40 molar proportions of an organoaluminium compound and (c) from 0.5 to 100 molar proportions of a hexa-alkyl phosphoric acid triamide having the formula OP(NR 2 ) 3  wherein each R is an alkyl group having from 1 to 4 carbon atoms, for example hexamethylphosphoric acid triamide (HMPT). The compound of iron, cobalt or nickel may be a chloride, bromide, acetate, naphthenate or acetylacetonate; the organoaluminium compound may be an alkyl hydride, alkyl halide, alkyl ester or trialkyl, for example trimethyl, triethyl or triisobutylaluminium. The catalyst may be prepared by mixing the components (a), (b) and (c) at a temperature of from -20 to 120‹C in an inert organic solvent under a blanket of inert gas. Examples relate to the preparation of catalysts from HMPT, triisobutylaluminium and one of iron acetylacetonate, cobaltous acetylacetonate, nickel acetylacetonate and ferrous chloride and from HMPT, trimethylaluminium and cobalt acetylacetonate and of comparative catalysts from cobalteous acetylacetonate, triisobutylaluminium and, optionally, one of dimethyl sulphoxide, dimethyl formamide, diethylether, dioxane, trimethylamine, tributyl phosphite and tributylphosphate.
Patent GB-757512-A (GB)
Title: Improvements in or relating to clips
IPC: A01K93/00
Filed: 1953-09-08
Abstract: 757,512. Fishing floats. NUNN, F. W. Dec. 7, 1954 [Sept. 8, 1953; Oct. 15, 1954], Nos. 24826/53 and 29742/54. Class 48. [Also in Group XXV] A clip for connection sideways on to an unbroken line comprises an elongated member 1 having a line gripping device at least at one end and extending through a tube 4, resilient means holding the line gripping device in closed position and means at the other end of the elongated member 1 to engage with the line. In the embodiment shown the tube 4 is pushed through a hole in a fisherman's float 5 and the clip serves to attach the float to the fishing line. The line is passed into L-shaped slots 3, 8 at the ends of the elongated member 1 and is clamped at the lower end between a head 2 on the elongated member and the end of the tube 4. At the upper end the line is clamped between a nut 11 screwed on to the elongated member and the end of a sleeve 9 slidable on the tube 4. A spring 12 urges the sleeve 9 outwardly relative to the tube 4. A sleeve 9 may be provided at each end of the tube 4. In a modification the elongated member 1 is in the form of a wire with hook shaped ends which engage in a slot and a hole in the ends of two telescopic sleeves through which the wire passes and which are urged apart by a spring. In a further modification, Fig. 3, a wire 28 with hooked ends 27 has cranked portions 29 bearing against washers 30 which are movable inwardly of a tube against the action of a spring 31. Sleeves 30<SP>1</SP> prevent outward movement of the washers. The line is gripped between the hooks and the ends of the tube. The second Provisional Specification describes a clip comprising spring-urged plungers slidably accommodated in the open ends of a sleeve, the plungers having hook-like slots for engaging loops on the ends of a cord. It also describes a clip comprising a length of spring wire with hooked ends housed in a tube, one of the hooked ends having a lateral projection for engaging in a hole in the tube.
Patent GB-466243-A (GB)
Title: Improvements in and connected with steam generators and superheaters
IPC: F22G7/14
Filed: 1936-09-11
Abstract: 466,243. Water - tube steam boilers. BABCOCK & WILCOX, Ltd. (Babcock & Wilcox Co.) Sept. 11, 1936, No. 24842. [Class 123 (ii)] Steam superheater plant applicable for marine installations and used to superheat steam from an independently fired boiler comprises a combustion chamber 11 with high and low side walls 12, 13, and a closed bottom wall 14 upwardly inclined towards the low side wall, a superheater 18, and a boiler for protecting the walls and superheater comprising an inclined water-tube bank 27 between a water drum 26 at the top of wall 13 and a steam-and-water drum 25 at the top of wall 12, and wall-cooling tubes 32 from a mud drum 28 to drum 26 providing the walls 14, 13. A row of downcomer tubes 29 lies within the high side wall which is protected by tubes 30 the downcomers and tubes 32 providing for a unidirectional flow of water through the tube bank 27 back to drum 25. The superheater comprises a group of tubes 22 between an inlet header 29 and an intermediate header 20 and another group 23 between header 20 and air outlet header 21. Steam from the boiler enters the pipe conveying steam from the main source of saturated steam to the superheater, a valved byepass to the delivery pipe enabling the superheater to be cut out. The plant is supported by frames comprising columns at each side connected by struts 63, 64. A modification provides a superheater with three groups of transversely arranged tubes and inlet and outlet headers exposed to the furnace gases. In another burners are arranged in the high side wall and the superheater is divided into two sections, the steam flow in the one which is nearer the furnace being parallel to the gas flow and in the other, which comprise multi-loop tubes, being counter to the direction of gas flow.
Patent GB-977148-A (GB)
Title: Expansion joints for pipelines
IPC: F16L27/12
Filed: 1961-07-10
Abstract: 977,148. Expansion joints. YUBA CONSOLIDATED INDUSTRIES Inc. July 10, 1961 [March 16, 1961], No. 24900/61. Heading F2G. An expansion joint comprises outer and inner members 1, 2 in telescopic relation, one of the members having at least one circumferential groove 12 containing at least two resilient sealing rings 13, 14 in sliding engagement with the other of the members, the rings comprising sections of the same piece of stock so as to be of substantially identical circumferential configuration, and one of the rings being angularly displaced relative to the other around the groove to thereby compensate for any non-circularity of the rings. As shown, packing 8 is disposed between an annular stop member 6 and a gland 10, and the grooves 12 are formed in a head 11 screwed on to the member 2.
Patent GB-652908-A (GB)
Title: Improvements in or relating to signalling systems for the transmission of complex waveforms by means of code groups of pulses
IPC: H03M1/00
Filed: 1948-09-23
Abstract: 652,908. Pulse code modulation circuits. WESTERN ELECTRIC CO., Inc. Sept. 23, 1948, No. 24907. Convention date, Sept. 23, 1947. Addition to 637,848. [Classes 40 (v) and 40 (vi)] The energy storage device of the pulse code demodulator of the parent Specification is modified so that its characteristic is of substantially zero slope at intervals corresponding to the intervals between applied code pulses, to reduce distortion due to mistimed pulses. In one embodiment, the code pulses are applied to the pentode 26, Fig. 4, which feeds corresponding constant-current charging pulses into condenser 18. The exponential discharge curve 10, Fig. 3, of condenser 18 through resistance 16 is modified by the addition of a damped sine wave 12 to produce curve 14. The wave 12 is produced by the pulse excitation of the damped circuit 20, 22, 24, tuned to the pulse recurrence frequency and connected in series with the circuit 16, 18. The internal impedance of the pulse source 26 is compensated for by the resistance-capacitance circuit 36, 38 connected in parallel with the storage circuit. At the end of a code group, the storage circuit potential is sampled at a time when its characteristic is of zero slope, by connecting it through a cathode follower stage 40 to an electronic switch comprising two back-to-back connected triodes 44, 46, which are normally cut off, but are opened by the application of sampling pulses to the transformer 50. The output storage capacitor 48 yields the decoded signal.