baber/WOPTO huggingface dataset:
Patent GB-146887-A (GB)
Title: Improvements in save-alls for paper and similar pulp
IPC: D21F1/66
Filed: 1920-07-06
Abstract: 146,887. Clarke, R. S. Aug. 8, 1916, [Convention date]. Pulp, catching and recovering.-In save-alls for paper and like pulp, wherein a drum 12 in a vat 5 collects the pulp, and a water jet 11 washes the collected pulp into a receptacle 8, the speed of rotation of the drum 12 is controlled to increase when the level of the pulp-carrying water on the inlet side of the vat rises. The drum 12 is driven by means of a belt 20 which is provided with a tension roller 23 carried by an arm 25 fixed to a sleeve on the shaft 22. An arm 28 also fixed to the sleeve carries a float 29, which is raised and lowered according to the level of the liquid, to vary the slip of the belt.
Patent GB-1114715-A (GB)
Title: Improvements in and relating to magnetohydrodynamic electric generators
IPC: H02K44/16
Filed: 1965-05-04
Abstract: 1,114,715. Generators operating by electromagnetic interaction with fluids. KABUSHIKI KAISHA HITACHI SEISAKUSHO. 4 May, 1965 [6 May, 1964], No. 18823/65. Heading H2A. A M.H.D. generator has an annular duct for the flow of ionized gas bounded by two concentric cylindrical electrodes separated by a fixed distance and surrounding a longitudinally extending conductor which produces a circumferential field in the duct to generate a voltage between the electrodes. As shown, the electrode rings 5, 6 are axially separated by insulating material 2 and the duct assembly surrounds a conductor member 8, whch may be a superconductor, to provide a circumferential flux in the duct. The flux density is maintained constant at all parts of the duct by passing the load connections adjacent the conductor member so that the magnetic field is boosted towards the downstream end of the duct. The hot gas may be produced in an external can-type combustion chamber, Fig. 4 (not shown), or in a modified construction the individual combustion chambers may be connected as an extension of the duct and lie within the magnetic field, Fig. 5 (not shown).
Patent GB-386884-A (GB)
Title: Improvements in securing holding pins or knobs to conveyors of razor blade grinding and polishing machines
IPC: B24B3/48
Filed: 1932-07-04
Abstract: 386,884. Grinding and polishing safety-razor blades. WLOKA, M., 10, Friedenstrasse, Solingen, Germany. July 4, 1932, No. 18838. [Class 60.] In apparatus for grinding and polishing razor blades, in which the blades are mounted on holders a carried by the travelling band c of a conveyer, the shanks of the holders are stepped at b<1> and the holes in the belt are correspondingly countersunk. In the event of a holder becoming loose this construction prevents a blade from being trapped between the head of the holder and the belt.
Patent GB-1380857-A (GB)
Title: Screws and method of fitting
IPC: F16B37/00
Filed: 1973-04-19
Abstract: 1380857 Screws and method of fitting ITT INDUSTRIES Inc 19 April 1973 [4 May 1972] 18914/73 Heading B3N To facilitate the fitting of a self-tapping screw 1, particularly a plastics screw, into a body 4 of plastics material having a hole 5, the hole has a groove or grooves 6 of a depth substantially equal to the height of the screw thread to provide a discharge duct or ducts for plastics material removed by the screw. The grooves may be spiral.
Patent GB-1346722-A (GB)
Title: Scrap treatment
IPC: C22B1/00
Filed: 1972-04-24
Abstract: 1346722 Coating CARBO-SCRAP INC 24 April 1972 [28 April 1971] 18943/72 Heading B2E [Also in Division C7] Metal scrap is coated with an organic carbonaceous material before being refined, the carbonaceous material being applied as a liquid to the scrap heated to a temperature of at least 800‹F. Where iron alloy scrap is heated, the temperature of the scrap is raised to between 800 and 1200‹F before coating. The temperature of the applied liquid is between 200 and 800‹F and consist of pitch, tar, asphalt or bitumen to which particulate carbon may be added. The liquid, pyrolysed by the heat of the scrap metal forms a layer on the scrap and protects the scrap from oxidation and contamination and contributes to the refining process by acting as a supply of carbon.
Patent GB-594888-A (GB)
Title: Pulse generating system
IPC: G01S1/02
Filed: 1944-10-03
Abstract: 594,888. Radiolocation; pulse generating circuits. STANDARD TELEPHONES & CABLES, Ltd. Oct. 3, 1944, No. 18953. Convention date, Sept. 14, 1943. [Class 40 (v)] [Also in Group XXXVI] In a cathode-ray oscillograph in which the time base is controlled by synchronizing pulses, each synchronizing pulse generates trains of " course '' and " fine " calibration pulses, the recurrence frequency of the " fine '' pulses being higher than that of the " course '' pulses. The invention is described as applied to producing range calibration marks on the cathode-ray tube indicator of a pulse radar system. In Fig. 1 a synchronizing pulse from the transmitter 10 initiates the time base for the cathoderay tube 14 in the sweep circuit 44, and also shock excites the tuned circuit 22 to produce a slightly damped wave train of frequency f 1, which is fed through the pulse generator 24 and the shaper and limiter 26 to give a series of unidirectional pulses of equal amplitude. These pulses are applied as course 10,000 yds. range markers through the buffer stage 40 to the Y- plate 33 of the cathode-ray tube together with echo signals from the receiver 12 which is blocked during radiation of the transmitted pulse by the circuit 20. Fine 1,000 yd. range markers of smaller amplitude are provided by applying the output of the shaper 26 to a similar generating and shaping circuit 32, 34, 36 and 41, the frequency f2 of the tuned circuit 32 being ten times that of f1. In another embodiment, Fig. 3, the course markers are produced by dividing the synchronizing pulse from the transmitter at 51. Part of the pulse energy is applied to the cathode-ray tube through the shaper 58 and buffer stage 67 and the other part is fed through the delay device 50 and buffer amplifier 56 back to the point 51 giving a delayed pulse which repeates the process to produce a series of pulses with a constant time interval determined by the delay 50. The output from the shaper 58 is fed to a similar circuit 52, 62, 64, 65 so that each course range marker generates a series of fine markers, the delay in 52 being one-tenth of the delay in 50. In Fig. 4, (not shown), the course and fine marker pulses are each directly initiated by the synchronizing pulse, one being produced by a shock excited circuit and the other by a delay device and this system may be used in the embodiments shown in Figs. 1 and 3. Further sub-division of the range markers for use on a vernier oscillograph may be obtained by providing a third stage of pulse generation.
Patent GB-1360273-A (GB)
Title: Predeterminator for liquid meters
IPC: G01F15/00
Filed: 1971-06-04
Abstract: 1360273 Liquid dispensers COMPAGNIE DES COMPTEURS 4 June 1971 [5 June 1970] 18982/71 Heading G4D A knob 52 is turned to select the quantity of liquid to be dispensed, so selecting an appropriate selector arm (Fig. 1, not shown) to connect an appropriate gear-ratio between a meter drive and a shaft 34. Counter-clockwise rocking of lever 52 causes cam 44 to rock lever 36 to free notch 35<SP>1</SP> and disc 35 and engage itself on catch 59. Cam 44 also drives arm 48 to pull rod 49 to open the delivery valve, arm 48 being held by lever stop 38. Delivery begins and the meter drives the notched disc 35, a stud 63 on the disc 35 soon knocking off catch 59 so that lever 36 bears directly on the disc 35. After a complete revolution lever 36 falls into the notch 35<SP>1</SP>, so rocking lever stop 38 and freeing lever 48 and rod 49 to close the delivery valve. Control of the valve may be electromagnetic (Figs 5, 5A, not shown) with a high speed valve cut out and a low-speed valve operative for the last portion of the delivery.
Patent GB-1358557-A (GB)
Title: Silica-containing porous and non-porous glass materials
IPC: C03C1/00
Filed: 1971-06-04
Abstract: 1358557 Silica-containing bodies; silica glasses CORNING GLASS WORKS 4 June 1971 [12 June 1970] 18993/71 Headings C1A and C1M A silica-containing body is produced by mixing (a) a free or colloidal solution or suspension of an alkali metal silicate, organic ammonium silicate, and/or colloidal SiO 2 , having a pH of at least 10 and containing 1-12 moles/litre SiO 2 , with (b) a water soluble metal compound (inc. B and P compounds) such that the pH of (a) + (b) is not reduced below 10, and (c) at least one organic compound which is formaldehyde, paraformaldehyde, formamide, glyoxal, methyl or ethyl acetate, or methyl or ethyl formate, such that the pH is reduced below 10 and a coherent porous structure having metal oxide bound in a polymeric silica network is formed. The metalmay be added in soluble anionic form (e.g. K 2 WO 4 , K 2 MoO 4 , NaVO 3 , K 2 CrO 4 , KMnO 4 , K 2 ZnO 2 , NaAlO 2 , KH 2 PO 4 , H 2 PtCl 6 ) or as cationic complexes (e.g. Cu tartrate or ammoniacal AgNO 3  or PdCl 2 ). Other metals mentioned are Ge and As, and other complexing agents (e.g. EDTA) are listed. The product may be leached with acid-alcohol solutions to remove alkali metal, and may be fired at 600-1700 C. in air or under reduced pressure whether leached or not to form a glass article.
Patent GB-1366034-A (GB)
Title: Magnetic recording medium
IPC: G11B5/73
Filed: 1972-04-24
Abstract: 1366034 Magnetic recording medium SONY CORP 24 April 1972 [26 April 1971] 19010/72 Heading B2E A magnetic recording medium comprises a non-magnetic organic polymeric base, a non- magnetic metal layer formed on the base and a magnetic coating layer formed on the metal layer on the base, in which the base has a thickness less than 25 microns and the metal layer has a thickness of 0.3-2 microns. Preferably the base is polyethylene terephthalate. The metal layer is preferably Ni or Cu which may be electroplated or electrolessly plated. γ-Fe 2 O 3  is specified, as a magnetic pigment to be applied to Ni on polyethylene terephthalate films, which may subsequently be coated with vinyl chloride resin, isocyanate resin, and/or vinylidene chloride - acrylonitrile copolymer. Carbon powder and lecithin, are alternative additives.
Patent GB-907517-A (GB)
Title: Improvements relating to top roller mountings in spinning machines
IPC: D01H5/76
Filed: 1960-05-31
Abstract: 907,517. Bearings for top rollers. WURTTEMBERGISCHE SPINDELFABRIK G.m.b.H. May 31, 1960 [June 26, 1959], No. 19244/60. Class 120 (2). In a top roller mounting for a spinning machine in which independently rotatable top rollers are arranged in pairs on a common shaft, each journal I has two track grooves for ball bearings while the outer race 4 has no such grooves, but has grooves 5, 6 which are positioned one each side of one of the rows of ball bearings and are engaged by spring rings 7, 8 to provide axial location for the outer race, the rings being so positioned that play between the balls and the rings is greater than that usually allowed. As shown, intermediate rings 9, 10 may be interposed between the spring rings and bearings, these intermediate rings being formed, for example, from stampings of spring steel and not being specially machined. Plastic flyexcluding caps 11, 12 may also be provided.
Patent GB-713142-A (GB)
Title: Thiophosphoric acid esters of 3-halogen-hydroxycoumarins
IPC: C07F9/655
Filed: 1952-07-30
Abstract: The invention comprises esters of thiophosphoric acid having the formula <FORM:0713142/IV (b)/1> in which R1 and R2 are alkyl groups. They are prepared by reacting a dialkyl chlorothionophosphate with 3-halogeno-4-methyl-6-hydroxycoumarin in the presence of an acid-binding agent at elevated temperature and, preferably, in the presence of a solvent, e.g. acetone, methyl ethyl ketone or methyl propyl ketone.  Finely powdered copper may be added to accelerate the reaction.  In examples: (1) dimethyl - chloro - thionophosphate is run into 3 - chloro - 4 - methyl - 7 - hydroxycoumarin, potassium carbonate and copper powder suspended in methyl ethyl ketone at 75 DEG  C. to yield the dimethyl thionophosphoric acid ester of 4-methyl-3-chloro-7-hydroxycoumarin; (2) the diethyl ester is similarly prepared from diethyl-chloro-thionophosphate and 3 - chloro - 4 - methyl - 7 - hydroxycoumarin; and (3) the diethyl thionophosphoric acid ester of 4-methyl-3-bromo-7-hydroxycoumarin is similarly prepared from diethylchloro-thionophosphate and 4-methyl-3-bromo-7-hydroxycoumarin.
Patent GB-1063520-A (GB)
Title: Electric fuel cell
IPC: H01M8/2425
Filed: 1964-05-08
Abstract: 1,063,520. Fuel cells. COMPAGNIE GENEKALE D'ELECTRICITE. May 8, 1964 [May 17, 1963], No. 19365/64. Heading H1B. A fuel cell battery is composed of a number of electrode stacks, each pair of adjacent cells being separated by an impervious 'separator having grooves in the two faces in contact with the electrodes of adjacent cells (to carry fuel and oxidant to the electrodes) and further internal channels for circulating heat exchange medium.
Patent GB-671812-A (GB)
Title: Piezo-electric magnetometer
IPC: G01R33/028
Filed: 1950-08-03
Abstract: 671,812. Magnetic tests. WALLAUSCHEK, R. Aug. 3, 1950 [Sept. 27, 1949], No. 19379/50. Class 37. A piezo-electric crystal 9, Fig. 5, is energized from a generator 10 so as to vibrate; deposited on the crystal is a metallic loop which thus vibrates in the ambient field to generate oscillations whose magnitude is proportional to the ambient field; these oscillations are applied to a meter 11. In a modified circuit, two identical crystals 81, 89 are fed in pushpull so that the currents induced in the loops 91, 92 are additive for the ambient field, and equal and opposite for any field due to the exciting current from the supply leads. The crystal 1, Fig. 2, has energizing electrodes 2, 3, and a metal ribbon 6 embracing the crystal. In a modification, the crystal has electrodes 2, 3, Fig. 6, the electrode 2 being extended at its centre at 6, Fig. 5, over the edge of the crystal to form a loop; the circuit is such that pick-up from the generator 10 in the loop 6, 2, 6, produces no output from transformer 22, while pick-up due to the ambient magnetic field is indicated on meter 11.
Patent GB-596542-A (GB)
Title: Improvements in or relating to means for hitching trailed agricultural apparatus to tractors or the equivalent
IPC: B60D1/167
Filed: 1945-07-30
Abstract: 596,542. Agricultural implements. TOMKINS, J. W., and FINCH & CO., Ltd., B. July 30, 1945, No. 19439. [Class 6 (i)] [Also in Group XXXII] A self-supporting hitch for connecting a trailed agricultural appliance to a tractor or the like comprises a system of links carrying a ground-engaging member 14 which supports the hitch while it is being connected to the trailed appliance, but is retracted automatically when the towing vehicle commences to move. In the form shown, the hitch comprises a pair of plates 9 pivoted at their centre to a member 16 which may be secured to the drawn appliance. The front ends of the plates 9 are pivoted to a pair of links 10 and the rear ends to a pair of struts 14. The links 10 are united at their outer ends to a bracket 11 for connection to a tractor draw-plate 12 and the struts 14 are united to a ground-engaging foot 15. A system of pivoted links 18-22 joins the centre of the plate 9 with intermediate points on the struts 14 and links 10. When the appliance is to be connected to a tractor, the foot 15 engages the ground (Fig. 4), both the hitch and the front of the appliance being supported by the struts 14. As the tractor starts to move, after connection, the tightening of the link system raises the foot out of engagement with the ground. The hitch is shown applied to the invention forming the subject of Specification 567,253.
Patent GB-381935-A (GB)
Title: Improvements in railroad brakes
IPC: B60T13/46
Filed: 1931-07-06
Abstract: 381,935. Fluid-pressure brakes. MOUTIER, A. E., 145, Boulevard Magenta, Paris. July 6, 1931, No. 19440. Convention date, July 8, 1930. [Class 103 (i).] In railway brakes comprising an automatic compressed air brake and a direct vacuum brake controlled by a single train pipe for instance that described in Specification 237,247, [Class 103 (i), Brakes &c.], the pressure in the train pipe which is under pressure, is first reduced, on brake application through a small atmospheric aperture and if necessary by a small steam ejector, then by producing a phenomenon analogous to water hammering by causing a sudden discharge of the air from the brake pipe through a large aperture, and simultaneously bringing into operation a powerful ejector, which may subsequently act alone, whose action may be completed by the action of the locomotive driving cylinders, preferably the low pressure cylinders acting as vacuum pumps. The small ejector is brought into operation by steam from a pipe v controlled by a servomotor Sm operated by compressed air supplied by the driver's valve R1 in the second braking position. In the third position compressed air is supplied by pipe u to a piston P1, which opens a valve S2 connecting the brake pipe CG with the atmosphere through a valve S3 of large cross section, thus producing the phenomenon analogous to water hammering. In the next position a system of powerful ejectors superimposed on the ejector E are brought into action, and draw air from the brake pipe through the valve S2 and the conduit U. In the final position of the driver's valve compressed air is supplied to a piston which operates a cock which disconnects the slide valves of the locomotive low-pressure cylinders from the atmosphere through the smokebox and connects them to the brake pipe CG. In case of emergency the driver's valve may be moved at once to this final position. The compressed air brake is stopped immediately after being started by the selector valve described in Specification 237,247 and is reserved for acting automatically in case of emergency. The driver's valve may be maintained in such a position as to produce a slight depression in the train pipe as a normal state.
Patent GB-1036049-A (GB)
Title: Meat preparation
IPC: A23L13/70
Filed: 1965-05-07
Abstract: 1,036,049. Improving meat. BORDEN CO. May 7, 1965 [June 8, 1964], No. 19463/65. Heading A2E. The appearance, tenderness, flavour, and digestibility of meat are improved by injecting the meat with a mixture, preferably in an aqueous medium, of a proteolytic enzyme, salt, and oleomargarine, preferable in amount of not more than 8 wt. per cent. of the meat. Suitable enzymes include papain, bromelin, and ficin. The injected mixture may incorporate a gas such as air, nitrogen, or carbon dioxide, which assists in uniform distribution throughout the meat. Other substances, such as water soluble pepper, and citric acid and sodium citrate, may also be present. By the process of the invention a lean beef may be given a desirable marbleized appearance.
Patent GB-668610-A (GB)
Title: Improvements relating to the manufacture of hydroxylamine sulphate solutions
IPC: C01B21/14
Filed: 1950-08-04
Abstract: Hydroxylamine sulphate solutions are prepared by reacting sulphur dioxide with ammonium nitrite solutions containing ammonium bicarbonate and/or carbonate, at a temperature preferably below 0 DEG C. and hydrolyzing the resulting solution by heating.  The reagents are preferably dilute and are advantageously added to a large quantity of prepared hydroxylamine disulphonate solution which, in a continuous process, flows in countercurrent to the sulphur dioxide in a closed circuit.  The disulphonate solution is periodically withdrawn from the system and hydrolized by heating to 95-100 DEG C. to yield a hydroxylamine sulphate solution.
Patent GB-1004139-A (GB)
Title: Gas turbine power plants
Inventor: MEREDITH THOMAS NORMAN
IPC: F01D25/30
Filed: 1963-05-16
Abstract: 1,004,139. Gas turbine plant. CENTRAX Ltd. Aug. 17, 1964 [May 16, 1963], No. 19575/63. Headings F1G and F1T. [Also in Division F4] A gas-turbine power plant comprises a gas turbine engine having an exhaust passage extending axially from the exhaust end of the turbine, a boiler having water tubes arranged to form at least a part of an annulus extending around the passage, and means for directing the exhaust gases away from the axis of the passage and over the water tubes. An annular exhaust passage 2 bounded by walls 3, 5 extends axially from the final turbine stages 1 of a gas turbine plant. Axially spaced tube banks A, B, C of a steam or hot water boiler surround exhaust passage 2 and annular   baffles 7, 8 having flared ends 28, 29, respectively, direct the exhaust gases over the tubes. Each bank is supported by discs 13, 14 carried by through-bolts 15 and spacers 16 from frame member 17. Annular dampers 25, 26, 27 are slidable axially to restrict the exhaust gas entries 20, 21, 22 to banks A, B, C respectively, and in so doing by-pass passages 23, 24 are opened. The flared end 29 of baffle 8 is mounted on damper 26 so that gases can be by-passed from entry 20 to passage 23. After passing through the tube banks or by-pass passages, the exhaust gases are collected in an annular chamber 11 before leaving through a duct 12. In a modification, by-pass passages 23, 24 are eliminated and boiler heat control is effected by a cylindrical member movable axially to obturate by-pass openings in the inner wall 3 of the exhaust passage. In this arrangement there is only one intermediate baffle, the flared outer end of which moves with the cylindrical member. Alternatively, the flared end 4 of wall 3 may be movable axially to open a by-pass. In a further modification, Fig. 4 (not shown) an annular heat exchanger is mounted radially inside or outside the boiler so that the exhaust gases preheat air flowing from the engine compressor to the combustion chamber. The steam generated in the boiler may be injected into the engine.
Patent GB-791748-A (GB)
Title: Interhalogen adducts of polyvinyl pyrrolidone
IPC: C08F8/20
Filed: 1956-06-25
Abstract: Textiles are bleached with an aqueous solution of an adduct of polyvinyl pyrrolidone and iodine monochloride or iodine monobromide (see Group IV (a)).  In an example, muslin is bleached. Specifications 680,968 and 726,245, [both in Group VI], are referred to.ALSO:Adducts of polyvinyl pyrrolidone and iodine monochloride or bromide are made by mixing the polymer with the chloride or bromide and heating the mixture at a temperature of from 90 DEG  to 95 DEG C.  The solid product may be used as a disinfectant, deodorant, bleaching agent, or in the preparation of gelatin silver halide emulsions.  Specifications 680,968, [Group VI], and 726,245 are referred to.ALSO:Aqueous solutions of an adduct of polyvinyl pyrrolidone and iodine monochloride or monobromide (see Group IV (a)) are used as disinfectants and deodorants.  In an example an adduct of polyvinyl pyrrolidone and iodine monochloride dissolved in water is sprayed into a chamber of one cubic yard in volume which contains 150 p.p.m. of mustard gas and within a minute the chamber was completely decontaminated.  The disinfecting properties of the adduct may be used in hospitals, homes, and farms. Specifications 680,968 and 726,245 are referred to.