baber/WOPTO huggingface dataset:
Patent GB-953854-A (GB)
Title: Ball nut and screw assemblies
IPC: F16H25/22
Filed: 1963-02-21
Abstract: 953,854. Screw-and-nut gearing. GENERAL MOTORS CORPORATION. Feb. 21, 1963 [April 16, 1962], No. 7039/63. Heading F2Q In a recirculating ball-type screw-and-nut gear 10, 12 for electronic controls, radar tuners, missile and rocket guidance and telemetering, systems, and automatic switching devices, the ball return path comprises a diagonal groove 20 machined externally in and across the nut and closed by a sleeve 25 which is slid over and crimped about the nut. To preclude balljamming the groove is formed arcuately, on a changing radius, in a rounded portion 24. Flats 22 and shoulders 28, 29 of flats 26, 27 on the nut are engaged by the sleeve respectively to prevent rotational and axial sleeve movement relative to the nut. Arcuate wire ball-deflectors 21, 21a are secured as by brazing to the nut thread. The nut is shown integral with an adaptor 30 held in a guide preventing rotational, but allowing axial, nut movement.
Patent GB-195610-A (GB)
Title: Improvements in heating elements for electric rotating resistance furnaces for treating zinc powder
IPC: H05B3/62
Filed: 1923-03-13
Abstract: 195,610. Finspongs Metallverks Aktiebolag. March 29, 1922, [Convention date]. Resistances, self-supporting.-Rotating electric furnaces for treating zinc powder are provided with rod-shaped heating elements so constructed that the resistance of those portions A, C of the element to which the current is supplied is different from the resistance of the part B of the element situated within the furnace. Preferably the resistance of the part inside the furnace is at least two-thirds of the total resistance. Figs. 1, 3, and 4 show different constructions of elements, the desired result being obtained by variations in the cross-sectional area. In a modification, an element of uniform external diameter is made hollow over the part B. In another modification, an element of uniform cross-sectional area has the part B made of material different from that used for the parts A., C. The part B may be made from carbon powder leaving a relatively great amount of ashes and the parts A, C may be made from pure carbon materials such as graphite, retort graphite and petroleum coke. Reference has been directed by the Comptroller to Specifications 9017/87, 24909/03, [both in Class 39, Electric lamps &c.], 29715/10, 6952/13, 16299/13, and 168,018, [all in Class 39 (iii), Heating by electricity].
Patent GB-547347-A (GB)
Title: Improvements in internal combustion engines
IPC: F02F11/00
Filed: 1941-06-09
Abstract: 547,347. Cylinders. QUIRICO, E. C. June 9, 1941, No. 7259. Drawings to Specification. [Class 7 (ii)] The cylinder head and block have their mating surfaces provided with inter-engaging straight grooves, the crests and roots of which are flat or arcuate.
Patent GB-1421628-A (GB)
Title: Regulating device for the control of the material flow when charging shaft furnaces
IPC: G01F11/00
Filed: 1973-02-14
Abstract: 1421628 Charging arrangement for furnaces DES ANCIENS ETABS PAUL WURTH SA 14 Feb 1973 [6 March 1972] 7296/73 Heading F4B In a shaft furnace of the kind comprising one or more supply hoppers 4 for charge material and a delivery shoot 5 leading from the lower end of each supply hopper, the flow of charge material is controlled by a gate 6 swingable about axis 13 across the discharge opening of the shoot to restrict its effective section. The shape of the discharge opening has one end broader than the other and may for example be ovate. In the fully closed position the gate closes the shoot completely. The gate is in the form of a curved blade, pivoted at 13 on arms 19 and controlled by a hydraulic or electric drive. The lower edge 10 of the blade is thickened for protection against wear. As described the discharge opening is of octagonal shape having a narrower end in the direction of closing of the blade to provide the optimum length-to-width ratio for the crosssection of the resulting passage. Control of the position of the blade may be automatic.
Patent GB-657864-A (GB)
Title: A draught excluding arrangement for doors
IPC: E06B7/20
Filed: 1949-03-17
Abstract: 657,864. Draught-excluders. BACH, R. I. March 17, 1949, No. 7324. [Class 20(iii)] A draught-excluder com prises a spring-loadec hinged flap or strip 11 of elastic material providec along one edge with a thickened portion 12 through which is passed a shaft 7 by means o: which the flap is hinged in a recess 3 in the bottom of the door. The spring 16 is a loose fit in a bore 17. The elasticity of the free edge of the flap is increased by a longitudinal groove 13.
Patent GB-199434-A (GB)
Title: Improvements in and relating to methods for determining the direction of electro-magnetic or electrostatic fields
IPC: G01S1/02
Filed: 1922-03-13
Abstract: 199,434. Lea, N., and Radio Communi- . cation Co., Ltd. March 13, 1922. Directive signalling.-Relates to the maximumminimum method of directional reception as described in Specification 134,560. According to the invention a rotating switch gear A, C, B, D is employed automatically to reverse the sense of one loop-aerial L<1> relatively to the other L<2>. The resultant energy is passed through a double rectifier E. The steady output current is cut up by a second reversing switch J, F, H, G mounted on the same shaft as the first, and the resulting pulsations are periodically applied in opposition across a relay or indicating instrument K. If the loop-aerial system is not in the critical position, the relay K will be, unbalanced and will swing in one direction or the other. This movement may be caused to rotate the loop aerials into the correct azimuth. A master contact N, driven at twice the speed of the shaft M through gearing P, Q, is inserted in one of the leads and corrects any irregularity in timing of the make and break on the reversing switch gear. A shunt resistance R minimizes potential variations caused by the .switch interruptions, and a condenser S steadies the current through the relay. An alternative arrangement with a simplified switch gear is also described.
Patent GB-294456-A (GB)
Title: Improvements in leveling devices
IPC: G01C5/02
Filed: 1928-03-10
Abstract: 294,456. Marks, E. C. R., (Borda, C. J.). March 10, 1928. Levelling-heads.-A levelling-head comprises a bracket 10 secured to the head of a tripod 1 and formed at its free end with a solid ring 13 and split rings 14, 15. The inner surfaces of the rings are of spherical form and support a spherical member 21 formed with a flattened surface 23 and a boss 24 for attaching the instrument to be levelled. At a point diametrically opposite the boss 24 the sphere is tapped to receive a rod 26 having at its lower end a pendulum weight 27. The free ends of the rings 14, 15 are provided with ears 16, 17 receiving a clamping- screw 29 by which the sphere can be clamped after the instrument has assumed the level position under the action of the pendulum. Ball bearings 22 are provided between the ring 13 and sphere 21.
Patent GB-1248693-A (GB)
Title: Joint separation of acetylene and ethylene from cracked gases
IPC: C07C7/00
Filed: 1969-02-12
Abstract: 1,248,693. Low molecular weight hydrocarbons. BADISCHE ANILIN- & SODAFABRIK A.G. 12 Feb., 1969 [13 Feb., 1968], No. 7522/69. Addition to 1,187,809. Heading C5E. [Also in Division F4] In the point separation of acetylene and ethylene together with some methane and ethane from cracked gas obtained by a flame burning beneath the surface of petroleum and containing carbon monoxide, hydrogen, oxygen, nitrogen, C 3  to C 5  hydrocarbons together with carbon oxysulphide and carbon disulphide as claimed in parent Specification and effected by drying and compressing the feed, condensing part of the methane and the whole of the remaining hydrocarbons, CS 2  and COS in a heat exchanger 5 separating them at 6, vaporizing the separated condensate in said exchanger 5, compressing said vapour at 21 and thereafter passing said separated fraction under pressure into a distillation column (not shown) to yield a liquid fraction containing the whole of the C 3  to C 5  hydrocarbons and CS 2  and COS and to yield a product gaseous fraction containing ethylene, acetylene methane and ethane, the temperature of the heat exchanger 5 is maintained above the solidification temperature of acetylene in admixture with the other condensible constituents and uncondensed constituents withdrawn at 7 from separator 6 are freed of acetylene by washing with liquid ethylene and/or ethane in a scrubber 8. The acetylene-free gaseous effluent of column 8 is cooled in a heat exchanger 10, freed of liquid C 2  hydrocarbons at 11, warmed in exchanger 10 and turbine-expanded at 13 to produce cold for the process. Washing liquid for column 8 is provided from an external source 17 and by the separator 11 and acetylene containing liquid withdrawn from column 8 is added to condensate withdrawn from separator 6 prior to vaporization in exchanger 5.
Patent GB-802120-A (GB)
Title: Improvements in or relating to devices for transporting wax articles
IPC: B22C7/02
Filed: 1957-03-07
Abstract: 802,120. Water channels. PHILIPS ELECTRICAL INDUSTRIES, Ltd. March 7, 1957 [March 10, 1956], No. 7585/57. Class 78 (1). Wax articles 16, particularly cast wax models for use in casting by the lost wax process, are conveyed from one group of workers to another group without deformation and are simultaneously cooled by floating on a stream of water contained in a channel 2. The channel is connected to a pump 4 by a pipe 3 which communicates also with the channel through a series of parallel pipes 5. Each pipe 5 contains a heat exchanger 6 which acts as a chill plate for the preliminary cooling of the articles. The pipe 3 opens into the channel below a grating 10. A discharge pipe 11 and a supply pipe 13 are also connected to the channel.
Patent GB-820880-A (GB)
Title: Sealing means for a travelling grate carriage with rollers running on rails
IPC: F27B21/06
Filed: 1958-03-10
Abstract: 820,880. Travelling grates; sintering machines. METALLGESELLSCHAFT A.G. March 10, 1958 [March 8, 1957], No. 7672/58. Class 51 (2). [Also in Group II] In a travelling grate carried by rollers running on rails, part of the weight of the grate carriage is transferred by lever action from the running rails to the sealing surfaces of a slideway arranged between a suction box and the grate carriage. The grate 2 and its carriage 1 run on rollers 4 on rails 5, which need not be resilient. The rail 5 is supported by a beam 6 secured to brackets 11 which can tilt freely about bearings 12 within a small angle. The carriage 1 slides along a member 8 carried by a beam 7 rigidly mounted on the brackets 11. A flexible heat-resistant strip 14 seals the gap between the slideway 8 and the suction box 10. The distribution of the weight of the grate between the rails 5 and the slideway 8 can be adjusted by displacing the bearings 12 by a threaded spindle 13. The beam 7 may be resilient. In a modification, Fig. 3 (not shown), the underside of a slideway carried by a lever on the same side of the fulcrum as the running rail forms a seal with an upwardly directed surface on the grate carriage.
Patent GB-379999-A (GB)
Title: Improvements in copying lathes
IPC: B27M3/20
Filed: 1932-03-15
Abstract: 379,999. Lathes. WINKLE BRDER, Altenstadt-on-Iller, Germany. March 15, 1932, No. 7680. Convention date, March 16, 1931. [Class 83 (iii).] In a copying-lathe for producing articles such as shoe-lasts, rifle-stocks, pipe-bowls, &c. in materials such as metal, wood, horn, &c. the tracer roller c and rotary cutters d are carried by levers k, l respectively and the stationary driving motors s for the cutters are arranged concentrically with the pivots m of the levers l. As applied to the production of shoe-lasts, right and left hand lasts b are made simultaneously from a pattern a, but one or more work-pieces may be produced simultaneously from one pattern and of the same size or larger or smaller. The pattern and blanks are clamped between spindles e, f on a slide h which is traversed axially during cutting by a screw i. The levers k, l are joined by links n and are influenced towards the work by a spring o, but may be held withdrawn by engaging a notch q on a handle p with a stop r. The motors s are fixed concentrically with the pivots m but independently thereof and drive the cutters through belts t. The feed screw i and lathe spindles are driven from a shaft (not shown) through gears I .. IV and the levers k, l may oscillate in an inverted position. The cutters d are of such a size that they can follow any recesses in the work.
Patent GB-532658-A (GB)
Title: Improved printing ink
IPC: C09D11/10
Filed: 1939-03-09
Abstract: 532,658. Printing inks; synthetic resin compositions. COLE, H. March 9, 1939, No. 7680. Convention date, March 14, 1938. [Class 2 (iii)] A printing ink, adapted to set almost instantaneously upon application of a gas flame heat-dryer, comprises essentially a pigment and an incompletely polymerized, heat-hardenable synthetic resin dissolved in a solvent, the proportion of solvent being less than 35 and desirably as little as 15 per cent. of the weight of the ink ; the resin ingredient is preferably at least one-third by weight. In an example, a solution of resin of about 80 per cent. solid content is prepared by refluxing urea and aqueous formaldehyde, partly distilling under vacuum and then continuing distillation in the presence of ethylene glycol monoethyl ether, the molecular ratio of formaldehyde to urea being 1.84/1. Alternatively, diethylene glycol monobutyl ether or the acetate thereof may be employed as the solvent. Sodium acetate is added at an intermediate stage to retard polymerization and permit storage of the printing ink which is produced by admixing 3 parts of the resin solution with one part of a suitable pigment, e.g. carbon black. An accelerator, e.g. ammonium chloride or monochloracetic acid is added just prior to use. Other examples involve (1) a glycerol-phthalic anhydride resin modified with a fatty acid of an oil, preferably mixed with a small proportion of solid heathardenable phenol-aldehyde resin and dissolved in liquid petrolatum, and (2) a heat-hardenable phenol-aldehyde resin, which may be modified with natural oils or fatty acids thereof, dissolved in liquid petrolatum or diethylene glycol monobutyl ether or its acetate.
Patent GB-1377211-A (GB)
Title: Catalyst and oxidation process
IPC: C07B35/04
Filed: 1971-03-24
Abstract: 1377211 Oxidation catalyst DAVY POWERGAS Ltd and IMPERIAL CHEMICAL INDUSTRIES Ltd 8 March 1972 [24 March 1971 17 Dec 1971] 7681/71 and 58745/71 Heading B1E [Also in Divisions C2 and C5] An oxidation catalyst is produced by forming a calcined mixture comprising the oxides of antimony and vanadium and, after final calcination, subjecting the mixture to a treatment with an aqueous liquor to remove at least part, and preferably subsantially all, of the waterextractable vanadium component present. The aqueous liquor may be water, an alkaline solution, e.g. ammonium hydroxide or carbonate, or an acid, e.g. nitric acid. The final calcination may be at 700-900‹C and the untreated mixture suitably has a vanadium to antimony atomic ratio of 0.05:1 to 1.5:1.
Patent GB-868051-A (GB)
Title: Improvements in or relating to crystal units for scintillation counters
IPC: G01T1/202
Filed: 1960-03-04
Abstract: 868,051. Scintillation counters. PHILIPS ELECTRICAL INDUSTRIES Ltd. March 4, 1960 [March 7, 1959], No. 7761/60. Class 39(1). A scintillation-counter crystal unit comprises a moisture tight metallic holder 3, a transparent plate 7 closing the holder, a crystal 1, and a pulverulent light-reflecting layer 15 situated in the space between the crystal and the holder, the face of the crystal being held against the transparent plate 7 by means of a flange 17 provided on the crystal. As shown, the flange 17 is urged against the plate 7 by an edge 18 of the holder 3, a protective filling ring 19 being provided.
Patent GB-563845-A (GB)
Title: Improvements in and relating to shaft bearings
IPC: F16N7/36
Filed: 1943-05-17
Abstract: 563,845. Lubricating. BRITISH THOMSON-HOUSTON CO., Ltd. May 17, 1943, No. 7804. Convention date. May 16, 1942. [Class 12 (iii)] In a shaft-bearing having a channel 21, 22, Fig. 1, for conducting lubricant to a circumferential recess 19, 20 in the bearing surface 15, 16, a dam 24 slides in a slot 23 in the unloaded region of the bearing and extending into the recess. The dam is biassed towards the shaft by a spring 25 or by the oil pressure built up by the pumping action of the shaft, Fig. 3, wherein the recess 32 has a channel 37 leading to the slot 33 behind the dam 34. Specification 393,169 is referred to.
Patent GB-258629-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B1/08
Filed: 1925-03-23
Abstract: 258,629. Francis, G. March 23, 1925. No Patent granted (Sealing fee not paid). Cream separators and like machines for separating liquids from one another, or from solids, by density.-In order to provide for continuous and progressive separation the rotary member has means for effecting successive progressive reversals in the direction of flow of the fluid under treatment in a sinuous path extending towards and away from the axis of the rotary member and intersecting lines of centrifugal and gravitational forces. This sinuous path is provided by staggered perforations 25, 26 in the conical disc members 16, 17 respectively, so that the liquid in the feed receptacle 36 which is fed into the distributing member C of the rotary bowl B follows a path as shown by the arrows in Fig. 2. The member C is formed with shoulders 21 which engage recessed portions of the inner flanges of the disc members. Rings 28 of cork or other suitable material are arranged between the upper flanges 18 of the disc members to form an inner seal when the separator is used as a purifier, as in the dehydration of oil, whilst when cream is to be separated from milk the members 28 are removed and sealing members 29, similar to 28, are seated on flanges 22 of the discs, the lighter liquid being then free to pass through spaces 32 in the member C, with the inner seal removed. The cream is delivered to the outlet 27 and discharges through a spout 14, and the heavier liquid through the opening 39 and spout 13.
Patent GB-881088-A (GB)
Title: Fastening device
IPC: F16B21/16
Filed: 1959-03-06
Abstract: 881,088. Cotters. PRICE CORPORATION, D. W. March 6, 1959 [March 7, 1958], No. 7820/59. Class 89(2). A fastening device comprises a tubular body 24 with detents 34, e.g. balls, adjacent one end and movable between extended and retracted positions by a rod 42. A shoulder 30 limits penetration of the body into parts fastened by the device. The other end of the body houses a cam 48 on the rod and a spring 52 urging the rod to extend the balls. A sleeve 60 is slidable on said other end of the body and has opposed cam surfaces 72, 74 which act, when the sleeve is moved axially in either direction, via balls 56 on cam 48 to move the rod and allow the detents to retract.
Patent GB-202345-A (GB)
Title: Alloys
IPC: C21C7/04
Filed: 1922-03-17
Abstract: 202,345. Saltrich, W. R. March 17, 1922. Alloys.-Iron alloys low in carbon and silicon and containing one or more of the metals chromium, tungsten, molybdenum, vanadium, and manganese, are refined by treating the molten alloy with a refining agent of which sodium or potassium hydrate forms a constituent, the preferred reagent being soda lime. The alkali hydrate may be mixed with lime or with an alkali or alkaline earth carbonate; and it may be used with lime in the presence of steam. The reagent may be used as a slag, or as a lining to a container or in the form of briquettes. The alloy may first have been refined by means of reducible compounds of a metal of the alloy. The alloy to be refined is preferably obtained by the reduction of an ore such as chromite with a non-carbonaceous silicon-containing reducing-agent; but reduction by means including the use of a carbide or of carbon is also referred to.
Patent GB-549178-A (GB)
Title: Improvements in or relating to combination locks
IPC: E05B37/10
Filed: 1941-06-23
Abstract: 549,178. Combination locks. STEVENS, W. W. June 23, 1941, No. 7857. [Class 44] A combination lock comprises a rotatable and slidable locking spindle 13 sliding movement of which to release position is prevented unless longitudinal slots 3, 7, 11 in co-axial cylindrical sleeves 1, 5, 9 are aligned with radial pins or projections 14a, 14b carried by the spindle. Figs. 2, 3 show the invention applied to a padlock having a slidable shackle 16 secured to a channel-section carried member 19a provided with a keyhole-shaped aperture 21. Figs. 5, 8 show the parts of the locking mechanism separated. Sleeves 5, 9 are rotatably held in recesses in opposite walls of the casing by rings 12a, 25 respectively overlying the flanges 6, 10. ring 25 also having indicia, such as numerals and letters to facilitate correct setting. The sleeves have terminal projections 8, 12 the latter being of less circumferential extent than the former. Sleeve 1 is fixed within sleeve 9, by its flange 2. The spindle has an enlarged portion 15 adapted to fit the larger end of the keyhole slot '21, 'and a reduced shank slidable and rotatable within fixed sleeve 1 and of diameter which allows it to pass into the narrow end of slot 21. The spindle carries a knob 18 with a skirt hiding pin 14a and the outer ends of sleeves 1, 9 and with a pointer 19 moving over the indicia on plate 25. When shackle 16 is pushed in against ejecting action of a spring 17, the part 15 automatically snaps into slot 21 under action of a spring 24. To effect release knob 18 is first rotated in one direction to rotate sleeves 5, 9 by the pins 14a, 14b engaging projections 12, 8 to bring sleeve 9 to correct position, and is then rotated in opposite direction to set sleeve 5, this rotation being insufficient to disturb sleeve 9. The knob is then reversely rotated to bring the pins 14a, 14b into registration with the now aligned slots 7, 3, 11 and pushed in, thus removing part 15 from slot 21 and allowing spring 17 to eject shackle 16. When the shackle is returned to locking position the knob is operated to disalign slots 7, 3, 11. The application to a cabinet lock is described in which the shackle is replaced by a sliding bolt surrounded by spring 17, which thus retracts the bolt, plate 19a having a pin projecting through a slot in the casing whereby the bolt may be shot by hand. In a further application to a cycle lock spring 17 and plate 19a are omitted and slot 21 is of dumb-bell shape and formed in the bolt, which is of flat form, the tail of the bolt projecting from the casing and being upturned to act as a finger piece by which the bolt is moved by hand in both directions. By the dumb-bell form of slot the bolt is locked in each of its extreme positions. The casing has a suitable external clamp by which it can be secured to the cycle frame.
Patent GB-634044-A (GB)
Title: Improvements in or relating to cooking stoves
IPC: F24B5/06
Filed: 1948-03-16
Abstract: 634,044. Cooking ranges. ALLIED IRONFOUNDERS, Ltd., and BLUMSON, E. J. March 16, 1948, No. 7857. [Class 126] In a cooking range wherein the oven is disposed above a combustion chamber, the oven 1 is seated on a substantial cover plate 5 of chrome-iron alloy or the like extending over the firebox 2, said oven having an internal convection flue formed between the bottom plate 1a and the cover plate 5 and between a back panel 1c and the back plate 1d, baffles 7 being supported between said plates 1 a and 5 by spacers 7a threaded on screws 7b engaging bosses 5e on said cover plate 5. Flue gases pass up the flue 2b, forwardly past baffles 3 and then rearwardly between said baffles 3 to an outlet 4. The baffles 7 are curved at one end 7c and at the other end each plate terminates at a greater distance from the front of the oven than the next plate above it. The panel 1 c and the flue 2b may be disposed at the side of the oven.