baber/WOPTO huggingface dataset:
Patent GB-1065919-A (GB)
Title: Improvements in or relating to methods of x-ray analysis
Inventor: RHODES JOHN RATHBONE
IPC: G01N23/203
Filed: 1964-09-11
Abstract: 1,065,919. Photo-electric X-ray analysis. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Sept.2, 1965 [Sept. 1964; March 19, 1965], Nos.37237/64 and 11886/65. Heading G1A. In X-ray analysis, compensation for the matrix absorption effect, which occurs as a reduction in the amount of secondary radiation from the element to be determined in a sample (the wanted element), with increasing proportions of interfering element(s) in the sample, is carried out by special selection of the relative intensities of components of the X-ray beam incident on the sample. These components comprise an analytical component and at least one compensating component, having different energy bands with respect to one another, the former to produce secondary radiation i.e. back-scatter from or fluorescence in, the wanted element, and the latter to excite fluorescence in the interfering element(s). By the use of a source-target combination to produce the incident beam, under-, over- or correct compensation for the matrix effect can be obtained, by variation of the target constituents. This source-target combination is described in Specification 1, 065, 918. In the determination of the ash content of coal, in which iron is an interfering element, a Cd- 109 radio-isotope source and a target material comprising 65% selenium powder, 35% epoxy resin, is used in a source-target combination arranged for back-scatter analysis of the sample. The X-rays from the Cd source produce, from the target, back-scattered rays of the same energy, and selenium characteristic radiation of a lower energy, and these components are directed towards the sample, the former being back-scattered and the latter exciting characteristic radiation from the iron in the sample. The total intensity of the radiation from the sample in a back-scattered direction is measured by a scintillation counter. The count is referred to a calibration curve to obtain the ash content independent of iron concentration. Instead of selenium, nickel may be used in the target material. The analysis of silver ore, the interfering element in which is copper, is carried out with an Am-241 source and a target mixture of selenium powder, tin powder and epoxy resin. By increasing the amount of selenium powder, more characteristic copper radiation can be obtained and over-compensation for the matrix effect occurs. This can be useful if an aluminium filter is interposed between sample and detector to correct for the over-compensation by attenuating the characteristic copper radiation. A pulse height discriminator is used with the detector in the silver analysis apparatus. Figs. 1-9 (not shown) illustrate graphically the operation of the sourcetarget combination, target composition variations and presence of filter on compensation.
Patent GB-1437036-A (GB)
Title: Benzenesulphonyl-ureas and processes for preparing them
IPC: C07C311/60
Filed: 1973-08-07
Abstract: 1437036 Benzene sulphonyl ureas HOECHST AG 7 Aug 1973 [7 Aug 1972] 37341/73 Heading C2C [Also in Division A5] The invention comprises compounds having the general formula in which X is a 5- or 6-membered aromatic nitrogen-containing heterocyclic ring which may be substituted by one or two methyl groups and/or fused with a benzene ring, which ring may contain a further nitrogen, oxygen, or sulphur atom and which is linked to the rest of the molecule via the atom adjacent to the nitrogen atom; R represents an alkyl group of up to 3 carbon atoms; and R<SP>1</SP> is C 3  to C 6  alkyl, C 5  to C 9  cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, cycloalkenyl, or alkylcycloalkenyl or a cyclohexenylmethyl, chlorocyclohexyl, bicycloheptenylmethyl, bicycloheptylmethyl, bicycloheptenyl, bicycloheptyl, nortricyclyl, adamantyl or benzyl group. They may be prepared by (a) reacting a benzenesulphonylisocyanate, benzenesulphonyl-carbamate, thiocarbamate, sulphonyl-urea, sulphonyl-semicarbazide or semicarbazone substituted in the 4-position by the group with an amine R<SP>1</SP>-NH 2  or a salt thereof or reacting a sulphonamide of the formula or a salt thereof with an R<SP>1</SP>-substituted isocyanate, carbamate, thiocarbamate, carbamoyl halide or urea; (b) splitting a correspondingly substituted benzenesulphonyl-isourea ether, -thiourea ether, -parabanic acid or -haloformic acid amidine; (c) replacing in a benzenesulphonylthiourea substituted by the group II the sulphur atom by an oxygen atom; (d) adding water to a corresponding benzenesulphonyl carbodiimide substituted by the group II; (e) oxidizing a corresponding benzenesulphinyl- or sulphenylurea; (f) introducing into a benzene-sulphonyl urea of the formula the radical (g) reacting a correspondingly substituted benzene sulphonyl halide with an R<SP>1</SP>-substituted urea or alkali salt thereof, or reacting a correspondingly substituted benzenesulphonic acid halide or, in the presence of an acid condensation agent, a correspondingly substituted sulphonic acid or alkali salt thereof, with an N-R<SP>1</SP>-N<SP>1</SP>- hydroxy-urea, and if desired, treating the resulting compound I to form a salt thereof. The compounds of the invention and pharmaceutically acceptable salts thereof may be used to lower the blood sugar level in the treatment of diabetes mellitus and may be administered in tablet or powder form optionally in admixture with a pharmaceutically acceptable carrier.
Patent GB-949495-A (GB)
Title: Cutting frozen substances
Inventor: EVANS MICHAEL EMRYS
IPC: A22C25/18
Filed: 1959-11-04
Abstract: 949,495. Cutting frozen meat, fish and the like. UNILEVER Ltd. Oct. 31, 1960 [Nov. 4, 1959], No. 37480/59. Heading A4C. A rotary cutter, having diamond or similarly hard particles embedded in at least part of its surface, is used for cutting blocks of frozen substances e.g. fish or meat, means preferably being provided for spreading on the block any liquid or pasty waste formed by the cutting. As shown the apparatus has seven cutters 1 mounted on a rotatable shaft 2, separated by spacers 3 and projecing through slots 4 in a table 5. Each cutter 1 comprises a thin stainless steel disc 6 clamped between strengthening plates and having an annular rim 7 of sintered material on both sides of which are embedded diamonds. The slab 13 of frozen fish is fed to cutters 1 by an hydraulic ram and is guided by side rails and then guide rollers 10 to be cut into eight fingers by the rapidly rotating cutters 1. The fingers of fish are kept apart by separating discs and a spreading roller 9, mounted in spring loaded bearings, spreads a milky liquid and paste, formed by the cutting, on to the fingers. The Provisional Specification describes also the cutting of vegetables and the use of tungsten carbide instead of diamonds.
Patent GB-800044-A (GB)
Title: Aluminium coated welding electrode and method of producing the same
IPC: B23K35/40
Filed: 1955-12-30
Abstract: An aluminium-coated electrode is produced from electrode stock by cleaning it (preferably by heating followed by acid pickling), heating it in a non-oxidizing atmosphere (preferably of dissociated ammonia) to the temperature of a bath of molten aluminium (preferably to at least 1150 DEG F.), passing it through said bath, maintaining the temperature of the bath between 1100 DEG F. and 1300 DEG F. (preferably between 1225 DEG F. and 1300 DEG F.), regulating the time of immersion to produce a coating having a weight of less than 0.4 (preferably between 0.1 and 0.22) ounces per square foot and solidifying the coating.  The electrode stock may be of plain carbon, alloy or stainless steel, or of titanium, nickel, copper or alloys thereof, the aluminium bath may contain between 2 and 12.5 per cent of silicon (preferably 4 per cent), and the coated stock may then be cold drawn (preferably to effect at least a 10 per cent reduction in cross-sectional area) to produce a uniform coating.
Patent GB-523077-A (GB)
Title: Improvements in or relating to protective arrangements for electric motors
IPC: H02P1/02
Filed: 1938-12-23
Abstract: 523,077. Safety arrangements for electric motors. CREED & CO., Ltd.,- and WOODMAN, H. F. Dec. 23, 1938, No. 37498. [Class 38 (iii)] Small electric motors are protected on stalling by electromagnetic means which open, automatically, the circuit of the motor should a desired speed be not attained within a given time. In one arrangement a motor M is connected to the supply through a circuit-breaker CB provided with a coil C arranged to open the circuitbreaker when energized with a time-delay greater than the time taken by the motor M, to . run up to speed when energized. Energization of C is controlled by back contacts a<1> of a relay a connected in series with motor M and having governor controlled contacts g in parallel therewith. The relay A is a quick operating, slow release relay. Stalling of motor M causes closure of contacts g contacts a<1> closing and remaining closed so that C is energized to open the circuit-breaker CB.
Patent GB-1002756-A (GB)
Title: Temperature compensation for dc amplifiers
IPC: H03F1/34
Filed: 1962-10-04
Abstract: 1,002,756. Transistor amplifier circuits. CONSOLIDATED ELECTRODYNAMICS, CORPORATION. Oct. 4, 1962 [Feb. 16, 1962] No. 37519/62. Heading H3T. A balanced transistor amplifier has in one emitter lead a resistor with a constant temperature coefficient to vary the current in one transistor of the pair only. The differential D.C. amplifier shown has its input stage stabilized firstly by a thermistor 42 which maintains the combined currents of the stage constant with changes in temperature and secondly by resistors 34 and 36. One of these resistors remains constant with increase in temperature while the other is of platinum and is so chosen that the change in voltage across it over the operating temperature range is equal and opposite to the drift that would otherwise occur. D.C. feedback is also provided between output and input.
Patent GB-1184528-A (GB)
Title: Cup Dropper for Dispensing Cups.
IPC: G07F13/10
Filed: 1968-08-07
Abstract: 1,184,528. Dispensing cups in vending machines. VENDO CO. 7 Aug., 1968 [22 April, 1968], No. 37622/68. Heading B8S. A vending machine includes a carrier 10 which carries stacks of cups and rotates around shaft 16, a motor 44 being provided which drives shaft 48. The movement of the shaft 48 effects two operations: it operates the release device 60 which releases cups one by one from a stack and additionally rotates the carrier 10 whenever a switch 110 (not shown) operates to indicate that the cups in a stack have fallen below a predetermined limit. Cup discharge device 60, Figs. 3 and 4.-The device 60 is provided with cams 66, the bottom cup passing between the cams when released by the cams. The cams are rotated simultaneously by movement of arm 58 which arm 58 is connected to motor shaft 48 by levers 56 and 54, the connection between levers 54 and 56 being provided with an abutment 52. Thus cam 50 engages abutment 52 to place the release device in the position of Fig. 3. At this point the operator places a coin in the machine and the motor 44 operates shaft 48. Cam 50 engages abutment 52 to permit the spring 72 to move operating device 58 quickly (Fig. 4) to operate the release device 60. In this way a cup is released by a quick spontaneous movement. The cam 50 continues to rotate anticlockwise and is finally switched off at position, Fig. 3, ready for the next cycle. Rotation of carrier 10, Fig. 5.-When shaft 48 rotates it drives bar 90, the bar being eccentrically connected to shaft 48 at 76 and being biased by spring 92. But normally no engagement is made with a ratchet 24 which drives carrier 10. However if the stack which is being discharged falls below a predetermined level then a switch is operated to energize a solenoid 108 which causes pawl 98 carried by bar 90 to move into engagement with ratchet 24 so that the ratchet is driven and consequently the carrier rotated to bring the next stack of cups to the position over the release device 60.
Patent GB-1024042-A (GB)
Title: Improvements relating to weighing apparatus incorporating a capacity change weight system
Inventor: CHILTON JOHN MOORHOUSE
IPC: G01G1/26
Filed: 1961-10-20
Abstract: 1,024,042. Selective signalling. W. & T. AVERY Ltd. Oct. 8, 1962 [Oct. 20, 1961], No. 37630/61. Heading G4H. A weighing system of the type in which the weighing range is determined by a manually selected counterweight, includes means to produce digital electric signals representing both the counterweight and the weight that has to be added to it to produce the unknown weight and an adder to add said signals before passing them to some utilization device, such as a printer.
Patent GB-1504890-A (GB)
Title: Formation of articles
IPC: B29C43/00
Filed: 1976-08-13
Abstract: 1504890 Extrusion UNITED KINGDOM ATOMIC ENERGY AUTHORITY 13 Aug 1976 [12 Sept 1975] 37673/75 Heading B3P [Also in Division B5] A process for the continuous and repetitive production of discrete articles of a desired cross-section from a deformable material comprises, introducing the material F into a moving passageway 5, causing the material to be drawn along the passageway by frictional drag and, by blocking the passageway at a position spaced from the introduction of the material, compressing the material and causing it to enter successively presented chambers 9 sloped to produce articles of the desired configuration. The passageway 5 is formed by a groove 2 in the periphery of a driven wheel 1 and a stationary shoe member 3 having an insert 4 projecting into the groove. An abutment 6 blocks the passageway and in co-operation with the insert 4, which projects by an increasing amount into the groove 2, it forces the material into each chamber 9. An abutment 7 scrapes flash 29 off the floor of the groove 2 and rams 12 eject the finished articles. The material may be in the form of a rod of aluminium or powder or granules capable of being compacted, e.g. metal powder, ceramics and thermoplastics. To reduce friction between the material and the insert 4 a thin strip of solid lubricant, e.g. P.T.F.E., is introduced at the lead in 13 to the groove 2, the strip being removed with the flash 29 by the abutment 7. Short tubular articles are produced by placing mandrels (20), Fig. 2 (not shown), in chambers (9<SP>1</SP>) having no die part, the mandrels being secured to or forming part of the rams (12). To produce articles requiring more material than normal a supplementary rod of material is fed in with the rod of material F. The stationary shoe member 3 and insert 4 may be in the form of a wheel (21), Fig. 4 (not shown), co-operating with a wheel (1) and the groove may be located in either wheel, the close coincidence of the wheel peripheries eliminating the need for an abutment 6. The wheel with the dies may be indexed rather than rotated continuously to allow additional forming operation on the articles in the chambers (9). In a further embodiment, the chambers 9 in the wheel 1 are disposed for sideways extrusion and right angles to the passageway 5.
Patent GB-1479119-A (GB)
Title: Method and apparatus for controlling the viscosity of glass streams
IPC: C03B37/07
Filed: 1975-09-15
Abstract: 1479119 Cooling glass fibres OWENSCORNING FIBERGLAS CORP 15 Sept 1975 [3 Oct 1974] 37813/75 Heading ClM [Also in Division F4] In a process for making fibres of a heatsoftened material (e.g. glass) by flowing the material from orifices in a feeder, heat is removed from the region of the streams by vaporizing a liquid (e.g. water), condensing the vapour in a condensing zone and recirculating the condensate back to the region of the streams. In Figs. 2 and 3 of the drawings the heat absorbing components 52 (e.g. of beryllium copper) are arranged between the glass streams 26 from which heat is to be extracted, the liquid in members 52 is vaporized and flows to the condensing zone 72 (Fig. 4) where heat is removed by circulating fluid in chamber 72 to condense the working fluid. The condensed fluid is transported back to the region of the glass streams by capillary action in the mesh screen 86 (e.g. of copper) or in a sintered copper powder wick. Members 52 are thus acting as heat pipes which preferably operate under reduced pressure.
Patent GB-322663-A (GB)
Title: Means for securing improved needle track alignment in disc talking machines
IPC: G11B3/00
Filed: 1928-12-22
Abstract: 322,663. Wireless Music, Ltd., and Davey, F. G. G. Dec. 22, 1928. Sound-reproducing devices, supporting.- Means for obtaining approximately tangential needle-track alignment relative to the record groove comprises a supporting device for the pick-up or other reproducer 1 consisting of a crossbar 2 which is pivotally mounted at points 3, 4 upon the ends of two rods 5, 6, respectively. These rods are mounted at their other ends on fixed pivots 7, 8, respectively, arranged just outside the edge of the turntable 9, the distance between the movable pivots 3, 4 being made equal to twice the distance between the fixed pivots 7, 8. The needle point lies on the, line A-B of the movable pivots 3, 4 and the fixed pivots 7, 8 are so disposed that this line in the mean position of the needle in the sound line spiral, passes through the centre of the turntable. The fixed pivots are also so arranged that the needle can be made to rest approximately upon the centre of the turntable spindle. The rods 5, 6 may be of equal length, but a more accurate construction can be obtained by applying a given formula. For use with mechanical reproducers, one or both of the rods 5, 6 is hollow and communicates with a tubular cross-bar 2 connected to the sound-box orifice.
Patent GB-1353990-A (GB)
Title: Process and apparatus for separation of metallic zinc
IPC: C22B19/00
Filed: 1971-08-13
Abstract: 1353990 Zinc recovery J S MENENDEZ P M SAGRADO and A S ALONSO 13 Aug 1971 [13 Aug 1970 (2)] 38095/71 Heading C7D Zinc is recovered from residues, such as those containing iron obtained in galvanizing or from zinc or zinc alloy scrap by, melting, adding Cd, Hg, Al, Ga, In, Tl, or alloys thereof and agitating in a reactor with a rotary agitator such that the mixture is driven downwards in the centre of the reactor and upwards at its periphery. The resulting oxides and compounds of iron, e.g. aluminides of iron, can be removed and the remaining zinc cast into ingots.
Patent GB-344928-A (GB)
Title: Improvements in photographic cameras
IPC: G03B19/04
Filed: 1929-12-13
Abstract: 344,928. Roll-film cameras. THORNTON-PICKARD MANUFACTURING CO., Ltd., PICKARD, A. G., and SLINGER, F., Altrincham, Cheshire. Dec. 13, 1929, No. 38187. [Class 98 (i).] A roll film camera comprises a number of separable parts held together by friction only. The parts may be of metal or cardboard. They comprise (1) a tubular body A, Fig. 2, open at both ends, carrying a winding knob a<1> and handle a<5> and formed with a notch a<4> for the projecting shutter lever and with internal and external seating ribs a2, a<3>; (2) a flanged shutter-carrying member B, Fig. 3, sliding within the body A up to the ribs a<2>; (3) a flanged front part D, Fig. 4, fitting over the front of the body A, formed with an exposure aperture d' and a slot d<2> for the shutter lever, and carrying one part K of a view-finder ; (4) a flanged back part H, Fig. 7, fitting over the body A up to the ribs a<3>, fitted with a ruby window h<1> and carrying the sight K<1> of the finder; and (5) a film carrier (not shown) of ordinary construction, sliding within the body A and formed with a lens socket.
Patent GB-973597-A (GB)
Title: Electrical detonator
IPC: F42B3/12
Filed: 1962-10-10
Abstract: 973,597. Electric detonators for ammunition fuzes. BECKMAN INSTRUMENTS Inc. Oct. 10, 1962 [Oct. 24, 1961], No. 38348/62. Heading F3A. In an electric detonator, as described in Specificatior 831,827, the closure plug 14 is ground flat on its inner surface and the plastics-coated centra electrode 18 ends flush with this surface, which contacts a detonating explosive rendered conductive by the admixture of gold powder. The cylindrical housing 10, which serves as the second electrode, is made from drawn stainless steel and its open end is crimped over the plug 14 to confine the explosive under pressure. Plug 14 is also made of stainless steel and electrode 18 is coated with a polyvinyl acetal formaldehyde resin. The explosive may be lead azide containing 1 to 25% by weight of the powder which may be a precipitate in which the particles have a maximum dimension less than 15 microns. The inner surface of the housing in the neighbourhood of the plug and the surface of the plug are coated with a metal which does not oxidize readily, e.g. gold or tin. The coating may be formed by electroplating. The main charge, which may be pure lead azide is first introduced into the housing and compressed, usually at a pressure above 10,000 p.s.i., before introducing the conductive mix. The mixture may be prepared wet as in Specification 831,827 by using a volatile solvent such as methanol or acetone. After introducing the mix, the plug 14 with the electrode 18 is forced into the housing by means of a spring-loaded plunger to compact the contents. The housing is then crimped over the plug. The completed detonator is said to be sensitive to voltages as low as 1.5.
Patent GB-1090147-A (GB)
Title: Thrust nozzle for supersonic gas turbine jet engines of the by-pass type
IPC: F02K1/06
Filed: 1965-09-08
Abstract: 1,090,147. Gas turbine jet engines - propulsion nozzles. UNITED AIRCRAFT CORPORATION. Sept. 8, 1965 [Sept.23, 1965], No. 38365/65. Heading F1J. The invention relates to a propulsion nozzle for a jet propulsion engine, the nozzle comprising an inner duct which terminates in a convergent - divergent gas outlet, and an outer annular duct which terminates in an annular convergent - divergent gas outlet. The invention is described with reference to a gas turbine jet engine of the by-pass type in which combustion equipment is provided in the by-pass duct. In the embodiment shown in Fig.2, the turbine exhaust gas flows through passage 52 which is defined by inner casing 40 while the by-pass air flows through passage 38 which is defined between outer casing 14 and the inner casing 40. At the downstream end of the casing 40 is a member 50 which has inner surfaces 60, 62 which define a convergentdivergent nozzle 54, through which the turbine exhaust gases discharge. The member 50 is provided with outer surfaces 64, 66 which together with the inner surfaces 76, 78 of flap members 70 which are pivotally mounted at the downstream end of the outer casing 14, define an annular, variable area, convergent-divergent nozzle 72 through which the by-pass air flow discharges. The annular nozzle 72 is shown in its maximum area position in full lines and in its minimum area position in broken lines. In a second embodiment Fig. 3, pivotally mounted members 90 are mounted at the downstream end of the inner casing 40 and pivotally mounted members 70 are mounted at the downstream end of the outer casing 14 as in the first embodiment so that both the turbine exhaust nozzle and the by-pass discharge nozzle are of variable area and of convergent-divergent form. In a similar embodiment Fig.4, in place of the solid flap members 90 of the Fig. 3 embodiment the flap members each comprise four plates pivotally connected together to form a trapezium-shaped section which is of variable form.
Patent GB-1287680-A (GB)
Title: Needle bearing
IPC: F16C33/78
Filed: 1970-08-10
Abstract: 1287680 Bearings DURKOPPWERKE GmbH 10 Aug 1970 [20 Aug 1969] 38417/70 Heading F2A A needle bearing comprises a hardened outer ring 1 and rim 2, the opposite rim 3 being subsequently bent over, a thin-walled cage 4 with bridge piece parts and end rings 46, 47, and a sealing ring 6 provided with a sealing lip 62 loosely inserted in each space defined by the bare face of an end ring, the inner face of a rim, and the needle end faces, the axial dimension of the body 61 of the sealing ring exceeding that of end ring. The sealing ring is of resilient plastics such as polyamide or Thesmophan.