baber/WOPTO huggingface dataset:
Patent GB-515336-A (GB)
Title: Improvements in and relating to belt-drive reduction gears
IPC: F16H7/02
Filed: 1938-06-20
Abstract: 515,336. Adjusting condensers &c. CAMHI, A. June 20, 1938, No. 18248. [Class 37] [Also in Group XXIV] A belt-drive, particularly applicable to the drive for variable members of a wireless station, comprises a driving roller located close to but not in actual contact with the periphery of a driven pulley and adapted to drive the pulley by means of an elastic friction band stretched round the roller and pulley but having a normal (unstretched) length, not greater than the circumference of the pulley. A driven shaft 1 carries a pulley 2 the rim of which is provided with a lining 3 of rubber leather or reinforced rubber. This lining is not fixed to the rim but grips it through being wholly elastic or, in the case of reinforced rubber, comprised in part of a length of resilient material, e.g., a coiled spring 4 the ends of which are secured to the reinforcement. The driving roller 7 is inserted between the lining and rim so as to be spaced close to the latter and bear only on the lining. The shaft 11 of the roller may be provided with a flywheel 12, and may be inclined to the axis of the shaft 1 instead of being parallel thereto as shown.
Patent GB-1178953-A (GB)
Title: Method of removing radioactive components from a stream of gas
IPC: B01D53/02
Filed: 1968-04-18
Abstract: 1,178,953. Separation of radioactively labelled components of gas mixtures. CEAG CONCORDIA ELEKTRIZITATS-AG. 18 April, 1968 [19 April, 1967], No. 18350/68. Heading B1L. [Also in Division G6] Labelled compounds containing radioactive <SP>82</SP>Br, e.g. methyl bromide used to trace gas leaks in a gas stream of hydrocarbons, are removed from gas streams by passage through a porous support, e.g. activated carbon, which is impregnated with a non-radioactive ionic bromine compound, particularly potassium bromide, so that isotopic interchange occurs between the gaseous radioactive component and the inactive ionic compound.
Patent GB-336619-A (GB)
Title: Improvements relating to the manufacture of tea
IPC: F26B25/00
Filed: 1929-06-14
Abstract: 336,619. Main, J. A. June 14, 1929. Buildings and chambers; air, controlling circulation, direction of flow, humidity, and pressure of.-A drying system suitable for withering tea includes a house having a number of floors constituting treating chambers with means to pass a supply of drying air in a hot, or cooled or humidified or cooled and humidified condition, or at reduced pressure in either direction through any one or more of the chambers. By operating a butterfly valve 4, Fig. 1, a suction fan 5 is put in communication with all the floors at either end of the house shown in elevation and plan. Valves 10, 10<a> control the distribution of the air to every floor. A valve 8 determines whether the air drawn by the fan through the inlet 3 has previously passed through a heating unit 6 or a unit 7 where the air is cooled or humidified or cooled and humidified. The tea is spread on trays or shelves 11 within chambers provided with substantially airtight movable doors or partitions 14, Fig. 2, to shut off passage ways 13. The doors 14 which comprise flaps shutting with a toggle action may be used when opened as delivery or charging shoots for the tea. In a modification, Fig. 3, a treating chamber is placed in the centre of the withering floor and has units 15 containing tiltable trays or shelves substantially filling the chamber, some or all of the units being adapted to be withdrawn laterally from the chamber. Airtight doors may be fixed to alternate units at the ends 16. The units may be moved in and. out on rails 17, Fig. 4, with or without castors 18 or travel on wheels and castors. Specification 349,639, [Group XIII], is referred to.
Patent GB-459075-A (GB)
Title: Improvements relating to indicating or control mechanism responsive to the angular or other lateral displacement of a body
Filed: 1935-06-27
Abstract: 459,075. Shooting-practise apparatus. COOKE, G. H., 28, Dalmeny Avenue, Tufnell Park, London. June 27, 1935, No. 18461. [Class 119] [See also XXXVIII] Relates to apparatus responding to or indicating the angular or lateral displacements of an element 10, Fig. 1, and comprising a flexible tension member 20 connected to the element 10 and provided with an electric contact 18 near a fixed electric contact 26, the contacts closing when the element 10 is not in the central position, and the contacts being so shaped and longitudinally adjustable as to permit the sensitivity of the apparatus to be adjusted, as described for example in Specification 9977/06, [Class 119]. According to the invention, the tension member 20 is resiliently extensible to provide for the longitudinal adjustment for sensitivity. As shown, the tension member 20 is a cable attached at one end to a conical contact 18, itself connected to the element 10 by a coiled spring 12. The other end of the cable is attached at 22 to a drum 24, the rotation of which serves to tension the spring 12 and adjust the longitudinal position of the cone 18 relatively to the fixed contact 26. The fixed contact may comprise a number of insulated segments arranged around the contact 18 and each connected to a separate indicating lamp. In a modification, Fig. 3, two such devices are used side-by-side connected to the same element 10. In this case, the cable 20 of one contact 18 co-operating with a ring of contacts 26 is attached to a fixed point 36, and the cable 46 of the second contact 44 co-operating with a contact ring 50 is alone connected to an adjustable drum 48. The contacts 44, 50 are connected in series with the contact 18, so that the contact device 18, 26 serves to indicate the direction of the lateral displacements of the member 10, but the indicating circuits are operative only if the contact device 44, 50 is also closed, the adjustment of this contact device by the drum 48 determining the sensitivity of the apparatus. The element 10 may be operated by a dummy rifle in a shooting- practise apparatus.
Patent GB-1347195-A (GB)
Title: Coupling arrangement
IPC: F16D1/076
Filed: 1972-04-21
Abstract: 1347195 Shaft couplings WGW WESTDEUTSCHE GETRIEBEWERKE GmbH 21 April 1972 [21 April 1971] 18707/72 Heading F2U A hub 2 (or hollow shaft) is connected to a shaft 1 to rotate therewith by a ring 4 (which may be split) having teeth entering grooves 3 in the ends of the shaft and hub, the crest of each tooth extending (e.g. in a radial plane) along a line bent to form an apex at the boundary between the hub and the shaft. The ring may be retained by a cover 5 including an 0-ring 7. The ring 4 may have an annular recess facing the cover 5, and may contact the end wall thereof by three feet between which the coverfacing surface of the ring is relieved.
Patent GB-198924-A (GB)
Title: Improvements in fireplace frames and in the manufacture thereof
IPC: F24B1/18
Filed: 1922-07-08
Abstract: 198,924. Edman, G. A. July 8,1922. Open fire-places; canopies; ash-pans. - The frame of an open fire-place, including the canopy, is made by stamping, bending, or pressing sheet metal. The construction shown comprises separate sheet-metal top and side members 1, 2, 3 flanged as shown at their outer edges for strengthening purposes, and bolted together at the corners. The side members are also formed with flanges 7 for the greater part of their height, above which are off-set portions 8 forming seatings for the edges 25 of the canopy 22. The latter is formed in two pieces of sheet metal, one of which forms the front 23 and side wings 26 and the other comprises a plate 32 held in grooves 25 at the edges of the front 23, the lower portion 31 of this plate being at right-angles to the upper part and forming a draught-regulator. The canopy is hingedly mounted by means of lugs 28 passing through slots 14 in a lower flange 12 on the top frame member 1, and is supported by means of projections 9 on the side members which slidably engage the lower edges 23 of the wings 26. A one-piece sheet metal tidy 34 is preferably provided.
Patent GB-1105447-A (GB)
Title: Improvements in or relating to telegraph demodulation
IPC: H04L27/18
Filed: 1965-05-04
Abstract: 1,105,447. Data transmission systems; twinplex systems; frequency and phase discriminators. C. I. T. COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS. 4 May, 1965 [8 May, 1964], No. 18825/65. Headings H3A, H4L and H4P. Received frequency or phase-modulated signals are sampled a number of times in the duration of an elementary signal, and the samples are fed to logic circuits which deduce the binary value of the signal by comparison of samples spaced by a given number of samples. Means is provided for eliminating spurious sample values by majority decision technique. In a first embodiment, Fig. 2 (not shown), phase shift signals having differential coding are employed, and there are 12 samples per bit. The samples are fed to a shift register operated at the sampling rate, and the samples in the first and thirteenth cells are passed to an exclusive OR circuit, which gives an output when a phase shift has occurred between those two samples. Thus there is derived for each bit a sequence of ones or zeros, depending on the bit-state. Spurious faults will cause the sequences to be interrupted by zeros or ones, respectively. By feeding the sequences to a majority decision circuit comprising a shift register and gating arrangements, the number of these faults is reduced. Should frequency shift signalling replace that of phase shift it is the first and seventh cells of the register that feed the OR circuit. The system is also described for use where each of four received phase-shifts represents a bit-pair. Chosen cells of the shift register receiving the samples feed three OR circuits and majority decision circuits as in the first embodiment, the resultant signals passing to further shift registers and gates which feed flip-flops, the bit-pairs appearing at the common output of the flip-flops.
Patent GB-146954-A (GB)
Title: Oil brake for speed governor
IPC: G05D13/00
Filed: 1920-07-06
Abstract: 146,954. Worthington Pump & Machinery Corporation, (Assignees of Haeberlein, M.). June 2, 1919, [Convention date]. Fluid-friction vibration-dampers.-In an oil brake or vibration-damper for speed governors and of the kind comprising a brake cylinder in which a hollow piston moves under the influence of the governor relative to the cylinder and a piston rod, means are provided for maintaining an oil passage of constant area between the cylinder and piston chambers. As shown, the apparatus comprises a cylinder 5, Fig. 1, closed at one end, a piston 6 in the cylinder having a chamber out of communication with the cylinder chamber in the normal operation of the governor, and a piston rod 11 connected with the governor, as by a yoke 16 and lug 17, and axially movable relative to the piston through an opening 12 in the end wall 9 thereof. The piston is normally held in a median position by springs 13 confined between the wall 9 and adjustable nuts 14 screwed on the piston rod and locked by nuts 15. Diametrically opposite grooves 19 in the piston rod are normally covered by the wall 9 and communicate by openings 20 with passages 25, 29 in a cylindrical valve member 21 mounted within and rotatable relative to the tubular piston rod. The cylinder 5 is secured by a lug 18 to a fixed part, and when the governor lever moves, say downwards, the piston rod is moved downwards to position the lower ends of the grooves 19 below the wall 9. The piston is also moved from its median position by the spring action and greater pressure is put on the oil in the cylinder chamber than on that in the piston chamber, equalization of the pressures being effected by flow of oil through the groove 19, opening 20, and passage 25, the area of the passage being constant and the velocity of the return movement of the piston dependent solely on the springs 13. The member 21 may be turned axially to vary the area of the oil passages as shown in Fig. 4.
Patent GB-682579-A (GB)
Title: Improvements in or relating to selective call equipment
Inventor: POWLES FREDERICK GEORGE
IPC: H04W88/02
Filed: 1951-08-10
Abstract: 682,579. Electromagnetic switches. STANDARD TELEPHONES & CABLES, Ltd. Aug. 10, 1951, No. 18860/51. Class 38 (v) [Also in Groups XXXVIII and XXXIX] In a step-by-step switch for a party line system or a single frequency radio system employing multidigit selective calling, a selector arm I, normally held in the home position by a helical spring, is driven by an electromagnet 4 through a ratchet drive 6, 7 and an electromagnetic clutch comprising a disc 10 and a pot magnet 9. When the disc 10 is attracted by the energising coil 8 responding to a receive relay, the contact arm is brought into contact with the selector bank and the switch is subsequently stepped.
Patent GB-745354-A (GB)
Title: Improvements in or relating to rotary regenerative heaters for heating air to a hightemperature
IPC: F28D19/04
Filed: 1952-07-25
Abstract: 745,354. Rotary regenerators. STEINMULLER, GES., L & C. July 25, 1952 [Aug. 21, 1951; Nov. 23, 1951; Nov. 29,1951; Dec. 8, 1951],No.18923/52. Class 64(1). A. rotary regenerator in which air and flue gases are in contra-flow comprises two or more spaced rotors coaxially mounted in a casing or casings and a heat exchanger disposed in a path of the flue gases either between rotors, as in Fig. 2 or by-passing one or more rotor parts, as in Fig. 8, so that some or all of the flue gases leaving one rotor are cooled before entering a succeeding rotor. The rotors may be mounted on a single shaft, or on separate shafts which may be interconnected or driven by separate motors. In one form comprising two rotors, the other heat exchanger which may be a feed water heater, is located in the space between the rotors. In another form, Fig. 2, comprising three rotors, 1a, 1b and 1c, all the hot gases flowing from one rotor to the next are diverted through heat-exchangers 9, 12 in spaces outside the regenerator, by rotary discs 15, 16 mounted on the shaft in the spaces between the rotors. The air may pass either around discs 15, 16, through passages 8, 11 as shown, or through non-return valves in the discs. In other forms, also with three rotors, part of the hot gases flow through the second rotor and part through the other heat exchanger, which occupies a space either outside or inside the regenerator; in the latter case the second rotor is of smaller diameter than the other two. A steam generator, Fig. 8, is provided with a steam superheater 24, a second superheater 27 and economisers 28, 32 in parallel flues, and a regenerator having three rotors 31, 34, 37. Flue gases flow through the superheater 27, economisers 28, 32, and regenerator rotors in adjustable proportions. The flue gases from the economiser 32 are cooler than those from the rotor 31. A passage may connect the flues 33, 35 to enable the rotor 34 to be by-passed when starting up to prevent corrosion by condensation of the flue gases. In a modification in which the regenerator has only two rotors, the flue 38 is omitted.
Patent GB-653939-A (GB)
Title: Improvements relating to sealing between rotating and stationary machine parts
IPC: F16J15/40
Filed: 1948-07-15
Abstract: 653,939. Stuffing-box substitutes. CRANE PACKING, Ltd., and WILKINSON, S. C. W. July 15, 1948, No. 19027. [Class 122(v)] In a method of providing constant lubrication and/or cooling at the interfaces between coacting rotary and non-rotary sealing members 4, 5 carried respectively by a rotary shaft 1 &c., and a stationary housing 2 &c., lubricating and/or cooling liquid 11 is contained during non-rotation of 'the shaft 1 &c. as a segmental bulk in an arcuate well or reservoir located below the shaft 1 &c. and constituted by the lowermost arcuate portion of an annular groove 10 extending between the members 4, 5 at the inner zone of their interfaces, to be distributed around the groove 10 by frictional drag and centrifugal force when the rotary member 4 rotates. An enlargement of the well may be provided by mounting an annular plate 6 alongside the outer face of the stationary member 5 to present an annular retaining wall alongside the member 5 and a further enlargement by securing to the outer surface of the plate 6 a segmental plate 13 having its straight edge extending horizontally just below the shaft 1 &c. may be provided. A supply of liquid to and from the groove 10 may be provided, the supply to the groove 10 being directed in the same direction as that of the liquid distributed around the groove 10. Facial grooves on one or other of the sealing members 4, 5 may be provided to extend outwards from the floor of the groove 10 for a limited distance.
Patent GB-147081-A (GB)
Title: Improvements in cages for roller bearings
IPC: F16C33/54
Filed: 1920-07-07
Abstract: 147,081. Riebe-Kugellager-und-Werkzeug-Fabrik Ges. April 17, 1919, [Convention date]. Roller bearings.-In a cage for roller bearings consisting of two side rings connected by spacing-pieces 3 bent into triangular shape, the rollers 1 serve as anvils in the process of bending down lugs 4 on the pieces 3, which are passed through slots in the side rings 2.
Patent GB-1474231-A (GB)
Title: Electrical components
IPC: G03F7/038
Filed: 1974-05-01
Abstract: 1474231 Radiation-sensitive prepolymers used to produce electrical components SIEMENS AG 1 May 1974 [23 May 1973] 19197/74 Addition to 1467226 Heading G2C [Also in Division H1] A method of manufacturing an electrical component comprises forming on the surface of a substrate a film of either an organic solvent soluble, radiation sensitive prepolymer (which is a polyaddition or polycondensation product of (1) at least one polyfunctional carbocyclic and/or heterocyclic compound containing (a) at least 2 groups R capable of undergoing an addition or condensation reaction and (b) at least one organic radiation reactive group - COOR*, the or each group R* being an organic radical with one or more double or triple bonds capable of being dimerized or polymerized by radiation induction, and the or each group - COOR* being in the ortho- or periposition with respect to a said group R, and (2) at least one polyfunctional carbocyclic and/or heterocyclic compound containing at least 2 groups capable of undergoing an addition or condensation reaction with the groups R) or such a film containing one or more additional components (selected from one or more other radiation sensitive copolymerizable compounds e.g. a compound containing one or more N-substituted maleic imide groups, and a photoinitiator and/or a photo-sensitizer e.g. 4,4'-bis-(diethylamino)benzophenone or Michler's ketone and/or benzoinether), passing light or other radiation through a mask to expose part of the film to the light or other radiation, dissolving out or stripping the unexposed parts of the film, the exposed parts of the film remaining on the substrate to act as a passivating protective layer, and making an electrical connection to the substrate through an opening formed in the film by dissolving out or stripping the unexposed portions of the film, the portion of the substrate to which the electrical connection is made being electrically conducting or semi-conducting. The prepolymer may be a photocrosslinkable polyamide resin. The material may be exposed to ultraviolet light and the exposed parts cured after dissolving out or stripping the unexposed areas, e.g. with an alcoholic dimethylformamide solution. Curing may be effected for 30 minutes at 350C.
Patent GB-314549-A (GB)
Title: Improvements in flow-directing cones for screw propellers
IPC: B63H1/28
Filed: 1929-06-28
Abstract: 314,549. Turola, R., and Fasceto, C. G. June 30, 1928, [Convention date]. Screw propellers.-A cylindro-conical directive shell 6 is placed axially in front of and directs water away from the boss 4 of a screw propeller 2 being secured to the hull 1 by rivets, brazing or autogenous means. In twin screw vessels, the shell is secured to the brackets or to bosses on the sternpost.
Patent GB-724154-A (GB)
Title: Improvements in or relating to endless driving belts
IPC: F16G1/04
Filed: 1952-08-01
Abstract: 724,154. Belt gearing. KENYON & SONS, Ltd., W., and KENYON, W. A. July 20, 1953 [Aug. 1, 1952], No. 19458/52. Class 80 (1). A method of making a joint in a belt of a spun synthetic polyamide such as nylon, consists in overlapping the ends 10, Fig. 1, of the belt, inserting a strip 11 of the same or similar material but having a lower melting point and then applying heat and pressure to bond the ends together. In Fig. 2, the ends 10 of the belt are lapped by a separate piece of the belting 19 with the joining strip 11 between. The belt may include a small proportion of spun natural fibre material such as cotton.
Patent GB-1038966-A (GB)
Title: Cutting tools
Inventor: BALLANTYNE ROBERT
IPC: B23C5/20
Filed: 1962-05-21
Abstract: 1,038,966. Milling-cutters. PENISTONE HARDMETALS CO. Ltd. Aug. 6, 1963 [May 21, 1962], No. 19461/62. Heading B3K. A cutting tool comprises a curved cutting edge 13-16 formed by the intersection of a surface of revolution 17 with a plane 11 parallel to or slightly inclined to the axis of the surface of revolution. The edge is formed on a tip 11 of ceramic or tungsten carbide, brazed or cemented to a steel shank 10. The tip may be formed from a discarded " throw-away " tip and ground by a wheel 19, Fig. 2 (not shown), traversed in the direction 21 while the tool is rotated about its axis 22. The tool may be used with negative axial rake C as in Fig. 3 (not shown) and a cutter carrying the tool is rotated about an axis perpendicular to the work surface which is machined in a series of closely-spaced scallops. The blade may also have negative radial rakes. Modified tips are illustrated in Figs. 7 and 9 (not shown). In further modifications, the tip is of triangular or polygonal section instead of square. A blade for a milling-cutter is formed as in Fig. 12a, 13a or 16 (not shown) and is secured by a wedge 37 and screws 40, a releasing screw 42 being provided in the wedge. Gauging.-To set the blades, the cutter body rests on the surface 55 of a block 51, Fig. 18 (not shown), and the blades are individually set against a block 57 having a finger-grip, or against a micrometer gauge 61, or the block may have a continuous setting-surface. Alternatively, the block or a swinging arm may be mountable on the cutter while in situ so that the blades may be set without dismounting the cutter.
Patent GB-1533507-A (GB)
Title: Luminescent materials
IPC: H01J31/15
Filed: 1977-05-10
Abstract: 1533507 Luminescent material PHILIPS GLOEILAMPENFABRIEKEN NV 10 May 1977 [13 May 1976] 19537/77 Heading C4S A luminescent material comprises a terbiumactivated garnet of formula:- wherein Ln is Y, La, Gd or Lu, Z is Al, Ga or Sc, Me" is Mg, Ba, Ca, Sr or Zn and Me<SP>IV</SP> is Si, Ge or Zr and 0#x#2À8; 0#y#2À0; 0À4#x+y#2À8; 0À02#p#1À50 and 0À42#x+p#3À0,providing that Sc is not more than 40 atom per cent of Z, La not more than 10 atom per cent of Ln and Ba not more than 10 atom per cent of Me<SP>II</SP>. A large number of specific materials are prepared by heating a mixture of oxides in nitrogen or by co-precipitation with ammonia of a solution of nitrates and silica. Fluxes may be used and stepwise heating. The material is used in a low-pressure mercury vapour discharge lamp.
Patent GB-438383-A (GB)
Title: Improvements in or relating to sheet metal cans or drums
IPC: B65D47/24
Filed: 1934-07-03
Abstract: 438,383. Cans &c. ROBINSON, G. A., Canister Works, Southcoates Lane, Kingstonupon-Hull. July 3, 1934, No. 19544. [Class 66] The mouth 3, Fig. 1, of a sheet metal can &c. is normally closed by a valve 4 mounted on a stem 5 passing through the base by way of a gland or packing 8 to a manipulating means, and encircled by a spring 7 enclosed within a casing 11. Fig. 3 shows a modification in which the casing is extended below the base and a ring 13 is provided as the means for compressing the spring to open the valve.