baber/WOPTO huggingface dataset:
Patent GB-784346-A (GB)
Title: Flue-gas valves for kilns of the ceramic industry
IPC: F23M7/00
Filed: 1955-05-23
Abstract: 784,346. Valves. BRAUKMANN, H. May 23, 1955, No. 14746/55. Class 135. A flue-gas valve for a kiln, e.g..in the ceramic industry, comprises a supporting plate 1 having a valve opening 5 and a depending tube 2 for inserting within the flue and which is provided with a cylindrical lining 3 of which the internal diameter corresponds to the diameter of the valve opening and which extends upwardly to provide a raised narrow seat 6 for the valve closure member 8.' The depending tube 2 is generally square as shown and fits within the flue brickwork. The cylindrical lining 3 prevents eddying of the gases in the corner spaces 4 and loosening of the brickwork due to thermal expansion. The support-plate 1 is provided with ribs 12, 13 which are set into mortar and squeeze out air bubbles which may escape through holes 14 between the ribs and into which the mortar clings. This prevents loosening of the valve. The valve overlies the seat at 11 to protect it against entry of foreign matter. The valve support 1 is provided with handles 15.
Patent GB-647235-A (GB)
Title: Improvements in electronic amplifiers
IPC: G05D3/12
Filed: 1947-06-20
Abstract: 647,235. Valve amplifying circuits. BRIGGS, G., and BRITISH VACUUM CLEANER & ENGINEERING CO., Ltd. June 20, 1947, No. 14752/48. Divided out of 647,206, [Group XXXVIII]. [Class 40 (vi)] In an arrangement, more particularly for use in remote position indicators, of three amplifiers having transformer coupled inputs and transformer coupled outputs, the three primaries of the input transformers and the three secondaries of the output transformers are connected in delta whilst the three secondaries of the input transformers and the three primaries of the output transformers are connected in star, a negative feedback path being provided from the output valve of each amplifier chain to one of the preceding valves of that chain. As shown, the three-phase output from a master compass 10 is fed to the matched amplifiers A, B, C through transformers 11, 12, 13. The first stage 15 which is of high gain to permit of considerable negative feed-back is resistance capacity coupled as at 16, 17 to the second stage 18, the feed-back being taken from the output through variable resistor 21 and capacitor 22 to the cathode of valve 15. The resistors 21 provide the adjustments for lining up the amplifier to the input and output. The cathodes of the valve 18 of the amplifiers A, B, and C are connected to a common cathode resistor 23 byepassed by a condenser 24, and the outputs from the three amplifiers are fed to the repeater compass 25 through transformers 26, 27, 28. Specification 647,206, [Group XXXVIII], is referred to.
Patent GB-1371443-A (GB)
Title: Computer based multiphasic health screening system
IPC: G06F19/00
Filed: 1972-03-29
Abstract: 1371443 Indicating availability of medical test stations SEARLE MEDIDATA Inc 29 March 1972 [30 March 1971] 14756/72 Heading G4T In a health screening system, wherein a central processor is linked to a plurality of stations, each operative to perform a medical test on a patient, there is provided at least one console 10 and preferably each station includes such a console 10 having arrays 12 and 14 of visual indicators, representing and identifying the various stations and the various tests respectively. The central processor is operative to selectively illuminate indicators of array 12, to indicate which stations are unoccupied, and indicators of array 14, to indicate which tests the patient has yet to undergo. The simultaneous illumination of corresponding indicators in the two arrays is an indication to the patient of which station he should visit next. For each patient, details of the tests he has or has not undergone and of which of all the available tests it is necessary for him individually to undergo are stored in the central processor and are retrievable for illumination of array 14 at only the station occupied by the patient in response to the reading of the patient identification number from his card inserted at 18. Details of which stations are unoccupied and of the identities of patients occupying the other stations are also stored and used for periodic illumination of the arrays 12 in all the stations. These latter details are updated at predetermined intervals. The individual patient details are updated at each insertion of a patient identification card into a slot 18. Commands from the central processor to either the patient or a station operator may be displayed at 20. When two or more of the stations are used as alternative locations for the carrying out of a particular test, the corresponding indicator in array 12 is illuminated when at least one of such stations is unoccupied. Operation of a computer section of the central programmer is described with reference to flow diagrams, Figs. 7-9 (not shown).
Patent GB-402124-A (GB)
Title: Improvements in and relating to flotation or buoyancy boxes for aircraft
IPC: B64C35/00
Filed: 1932-05-25
Abstract: 402,124. Aircraft. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, WARREN, H. W. H., Lynn, St. Andrews Road, Earlsdon, Coventry, MARTIN, R. I., 82, Eastlands Road, and BRAY, G. R. R., 86, Dunchurch Road, both in Rugby. May 25, 1932, No. 14888. Drawings to Specification. [Class 4.] A device for insertion in the tips of aircraft wings, to provide increased buoyancy in the event of the aircraft falling into the sea, consists of airtight boxes formed by moulding on a mandrel and so shaped that when placed together they conform substantially to the shape of the wing in cross-section. In one form, the boxes are made of varnished cloth, resin-banded cloth, or fibrous material, with an interior layer or layers, such as varnished cloth, rubber, or other plastic materials, wrapped round a mandrel and moulded by the pressure of steel shot or other granular material. The open ends of the boxes through which the mandrels are withdrawn may be closed by a cap or plate of the same material as the box secured in place by a cellulose cement or a varnish compound of a resinous condensation product. The boxes may be secured together by one or more sheets of synthetic resin-banded cloth or canvas wrapped round them and treated to cure the bonding, alternatively the boxes may be cemented together by a cellulose cement or varnish. The boxes may be circular or rectangular in cross section. Specification 401,276, [Group V], is referred to.
Patent GB-853938-A (GB)
Title: Hysteresis motor rotor
IPC: H02K19/08
Filed: 1959-05-01
Abstract: 853,938. Heat treating alloys. CASNER PATENTS Inc. May 1, 1959 [May 15, 1958], No. 14950/59. Classes 72 and 82(1) [Also in Group XXXV] The rotor ring of a hysteresis motor is former with alternate zones 16a, 16b and 16c, 16d of low and high coercivity respectively (see Group XXXV) by electrically heating one sector at a time while the rest of the ring is kept cool by a water bath 30. Heating current, measured at 38, is fed from transformers 35, 36 to clamps 32, 33 secured to the ring, and the resultant temperature is indicated by a thermocouple 39 and meter 40. The exposed sector is preferably heat insulated by a refractory cement. The untreated ring is first quenched at 1740‹-1750‹ F. and then drawn at 200‹-300‹F. to produce a relatively high coercivity. Then two opposite 90 degree sectors 31a are drawn at 500‹-1200‹F. to produce the low coercivity zones 16a, 16b. Rotor alloy composition: cobalt 18.5%; chromium 3.75%; tungsten 5.0%; carbon 0.75%; iron balance. Specification 629,897 is referred to.
Patent GB-936892-A (GB)
Title: Improvements in or relating to d-homo-18-nor-androstenes
IPC: C07J21/00
Filed: 1961-04-25
Abstract: The invention comprises a compound having the formula: <FORM:0936892/IV(a)/1> wherein R11 is hydroxyl, oxo or cyclic ketal and a double bond may be present at the 4 or the 5 position and a process for the preparation thereof by dissolving an alkoxy compound having the formula: <FORM:0936892/IV(a)/2> wherein R = R11 and R1 is a lower alkyl group containing 1-5 carbon atoms, and wherein at least one double bond is situated at the 6,6a or 4b(10b) positions, in an inert solvent, treating the solution with alkali metal in liquid ammonia or its homologue in the presence of a lower alkanol containing 1-4 carbon atoms or a lower alkoxy-alkanol containing 1-6 carbon atoms (except for the a -alkoxy-alkanol) and hydrolysing the resulting reduction product with an acid.  As homologue of ammonia there may be trimethylamine or triethylamine.  Acidic hydrolysis may be effected with hydrochloric, sulphuric or acetic acids. 2-Alkoxy-8-keto- 10a-methyl-5,6,8,9,10,10a, 11,12-octahydrochrysene is obtained by reacting 6-alkoxy-2-tetralone with vinyl ethyl ketone and reacting the product with methyl vinyl ketone.  It may be reduced to obtain 2-alkoxy- 8-keto- 10a-methyl-5,6,6a,7,8,9,10, 10a,11,12-deca-hydrochrysene or 2-alkoxy-8-keto-10a-methyl- 4b,5,6,6a,7,8,9,10,10a,10b,11, 12-dodecahydrochrysene. 2-Alkoxy-8-hydroxy-10amethyl- 5,6,8,9,10,10a,11, 12- octahydrochrysene is obtained by reducing the corresponding 8-keto compound with lithium aluminium hydride.
Patent GB-872001-A (GB)
Title: Copper-nickel thermocouple alloys
IPC: C22C9/06
Filed: 1958-05-09
Abstract: Thermocouple elements are formed of alloys of copper and nickel having a ratio of amount of copper to amount of nickel within the range 60.5 : 39.5 to 57.5 : 42.5 and containing one of the following elements entirely in solid solution within the stated range in per cent by weight: Al 0.02-4.0, Sb 0.029-8.0, Be 0.013-1.0, Cr 0.005-2.0, Co 0.02-2.0, In 0.102-3.0, Fe 0.008-2.0, Mg 0.03-2.0, Mn 0.029-15.0, Mo 0.007-2.0, Nb 0.009-2.0, Si 0.01-4.0, Ta 0.02-5.0, Te 0.061-1.0, Sn 0.046-5.0, Ti 0.009-2.0,W 0.014-2.0, V 0.005-1.0, Zr 0.092-3.0.  More than one of the stated elements may be included the minimum proportions then being as follows, Al 0.01, Sb 0.01, Be 0.005, Cr 0.001, Co 0.01, In 0.02, Fe 0.001, Mg 0.01, Mn 0.01, Mo 0.001, Nb 0.001, Si 0.005, Ta 0.01, Te 0.02, Sn 0.01, Ti 0.005, W 0.005, V 0.001, Zr 0.02.
Patent GB-111315-A (GB)
Title: Mechanism for Feeding and Distributing Granular Materials to the Grinding Rolls or Roller Mills.
Inventor: HOBERECHT ALBERT
IPC: B02C4/28
Filed: 1916-10-23
Abstract: 111,315. Hoberecht, A. Oct. 23, 1916. Roller mills.-Feeding-devices for roller mills comprise two worms mounted on a common shaft, one of them being adjustable, and the shaft terminating in a cylinder carrying a number of radial blades which scatter the material on to a segment of adjustable bars. The shaft 12 carries a fixed worm 22 and a worm 24 adjustable by telescoping on to the cylindrical portion of the worm 22. Radial blades are mounted on a cylinder on the shaft 12 and extend beyond the partition 31. The radial plates are surrounded by a fixed casing formed in its upper portion by a segmental deflector plate 37, and in its lower portion by a segmental series of obstruction plates 34 having pointed ends and being adjustably mounted in a segmental clamping-ring 36. The scattered material falls through the hopper 41 on to a cant board 43 and thence is delivered to the rollers 10, 11.
Patent GB-907870-A (GB)
Title: Improvements in or relating to skewers for textile cops
Inventor: GRIMSHAW JOHN
IPC: B65H75/10
Filed: 1958-05-10
Abstract: 907,870. Bobbins. BRITISH NORTHROP Ltd. May 11, 1959 [May 10, 1958], No. 15059/58. Class 120 (3). A pirn comprises a pointed rod 10 on which a solid cap 14 may be skewered and secured by engagement with screw-threads formed on a boss 20 and tapered portion 22.
Patent GB-648965-A (GB)
Title: Process for producing combustible gases from hydrocarbon oils
Inventor: STAINER HAROLD
IPC: C01B3/40
Filed: 1947-06-09
Abstract: 648,965. Gas manufacture. SOUTH EASTERN GAS BOARD. June 9, 1947, No. 15145. [Class 55(ii)] Combustible gases are produced from hydrocarbon oils by heating, from 500‹C. to a maximum temperature of 750‹-1200‹ C., a mixture of the oil and steam, while in contact with a catalyst consisting of the oxide or carbonate of Li, Na or K, or the oxide of Mg, Ca, Sr, Ba, Al, Ti, Zr or Th, or a mixture of two or more of these metal compounds. In Fig. 1, steam and oil are supplied through pipes 10, 11 and a preheater 17, to one or other of the catalyst vessels 19a, 19b. Combustible gases pass off either through the pipe 28 or the pipe 29 and through the heatexchanger 18 which incorporates the preheater 17. The catalyst chamber which is not in use for gas production, is heated to the temperature necessary for its next run by the admission of air, or air plus hot combustion gases through a valve 22 or 24, whereby the carbonaceous deposit in the catalyst is burned, waste gases being led off through one or other of the valves 30, 31. In a modification, the catalyst is passed continuously through a reaction zone, to which the mixture of steam and hydrocarbon oil is admitted, from a feed hopper to a receiving hopper, the catalyst being returned to the former by a current of air, or air plus hot combustion gases, the temperature of the catalyst being raised to the reaction level during the transfer by combustion of the carbonaceous deposits.
Patent GB-417000-A (GB)
Title: Improvements in the lubricating caps of tram wheels and the like
IPC: B61F17/00
Filed: 1933-05-26
Abstract: 417,000. Axle caps. ABBOTT, J. S., Nythfa, Creigiau, near Cardiff. May 26, 1933, No. 15223. [Class 12 (iii).] An axle-cap has the oil inlet hole closed by a ball valve B which is held up to its seat by a spring C. The latter is attached to the cap at a position removed from the axis of the cap, and when the valve is opened the ball B rolls upon the inside face of the cap. The boss H instead of being of hexagon shape may be cylindrical, and the cap may be provided with holes for engagement with means for securing the cap in position. The Provisional Specification describes a construction in which the ball is replaced by the ball-shaped end of a pivoted rod.
Patent GB-152574-A (GB)
IPC: A42B1/00
Abstract: 152,574. West, W. H. R. March 11, 1920. Springs and stiffeners.-A shape-retainer for soft hats comprise two flat sides c and a rounded or V-shaped portion a. The flat sides may be extended downwardly to a position underneath the band. The device is tapered or wedge shaped to conform to the narrowing of the crown towards the front end. Holes e are provided for securing purposes.
Patent GB-1140347-A (GB)
Title: Vending machine empty signal indicating mechanism
IPC: G07F9/02
Filed: 1966-04-06
Abstract: 1,140,347. Dispensing articles. WESTINGHOUSE ELECTRIC CORP. 6 April, 1966 [28 April, 1965], No. 15265/66. Heading A4T. In a vending machine having a plurality of side by side article storage columns, the absence of articles in a column and the absence of articles in the machine are both indicated. Associated with each column is a bell crank lever 31 held in the position shown by an article, and movable by weight of cam 43 and spring 46, when an article is not present, to actuate an indicator 45, e.g. a lamp. When all the columns are empty a bar 50 which is normally supported by at least one lever as shown pivots downwardly and actuates a switch of a 'sold out' light.
Patent GB-216354-A (GB)
Title: An improved box or carton for electric lamps
IPC: B65D5/50
Filed: 1923-06-12
Abstract: 216,354. Hunt, R. June 12, 1923. Fittings, internal.- The flaps 1<a> at the cap end of a cardboard &c. box for a filament lamp are cut away so as to provide a conchoidal or other curved portion 8 adapted to grip the cap and for the adjacent portion of the bulb. The " pip " end of the bulb may be supported in the manner described in Specification 206,764.
Patent GB-318474-A (GB)
Title: Improvements relating to clutches and variable-speed gearing for power transmission apparatus
IPC: F16D27/02
Filed: 1928-05-25
Abstract: 318,474. Kapitza, P., and Lomonossoff, G. V. May 25, 1928. Clutches, friction; variable-speed toothed gearing.-In coil friction clutches, particularly for use in heavy locomotives driven by internalcombustion engines, the direction of coiling is such that normal drive tends to move the coil out of contact with its drum, contact being effected by direct electromagnetic attraction, so that the clutch can slip without tendency to seize, and the torque transmissible is substantially independent of the coefficient of friction. The clutch may be so used in variable-speed gearing that the driven member is never entirely relieved of torque. Variably-energized electromagnet coils 8, Fig. 1, are housed in slots in a driven drum 3 secured to a shaft 1, the driving-wheel 4, to which the clutch band 6 is anchored at 7, being loose on the shaft or secured to a second shaft. Two-speed gearing, suitable for driving a locomotive 21, Fig. 3, from a Diesel or other internalcombustion engine 20, comprises gear-wheels 23 - - 26, a non-seizing coil clutch 29, and a disengageable one-way clutch 30 on the lay-shaft 27, the engine shaft 22 being interrupted by a further non-seizing clutch 28. Clutch 30 being engaged, clutch 28 is gradually energized, to yield low speed. To change speed, clutch 29 is energized gradually and, if desired, prior to disengagement of clutch 30, so that the axle 21 is not entirely disconnected from shaft 22. To change down, clutch 29 is slowly de-energized, and clutch 30, having been set for engagement, will pick up the drive when wheels 25, 26 synchronize. A non- seizing clutch may be substituted for clutch 30. A one-way clutch 31 is optionally provided to prevent incorrect rotation of the other clutches when the train runs downhill. More than two speeds may be provided by additional lay shafts, and, with an irreversible engine, a reverse lay shaft is disposed between the gear-box and axle. If the engine is reversible, a compound clutch, Fig. 4 (not shown), may be used, in which oppositely-coiled bands, engaging driving and driven drums, are secured to an idle intermediate drum. Whatever the direction. of rotation, one band will then seize automatically, the other being magnetically applied when the clutch is to be disengaged. Alternatively, a single coil may be magnetically attracted to an inner drum when it tends to expand under drive, and to a concentric outer drum when it tends to contract, Fig. 5 (not shown).
Patent GB-307254-A (GB)
Title: Apparatus for measuring distances on charts
IPC: G09B29/10
Filed: 1928-05-26
Abstract: 307,254. Arnold, F. May 26, 1928. Tabular calculators. - The true lengths of courses shown on a mercator or like chart are determined by means of a series of scales one of which is selected according to the map length of the course. The length of a basic distance, say ten miles, at the latitude of the course is then taken by dividers and set off from the lower edge 13 upwards along the selected scale to find the true length of the course. The scales are on a sheet wound on a spool contained in a cylindrical holder 1 one end of which may also serve to house the tape measure 4 used for measuring the chart course.
Patent GB-1302465-A (GB)
IPC: B42F21/00
Filed: 1971-05-18
Abstract: 1302465 Pads; loose-leaf binders INFICO ESTABLISHMENT 18 May 1971 [15 June 1970] 15533/71 Headings B6A and B6E A stationery pad comprising a pair of blocks of sheets 3 attached to opposite sides of a central volet 1a and protected by respective side volets 1b, 1c has the cover arranged to be transformed into a folder forming part of an index system by folding the side volet 1c over the central volet 1a when the blocks of sheets are exhausted. An index tab may be attached to the side volet 1b along an edge 5 which is provided with an alphabetical index. The pad is provided with holes 4 in the side volets 1b, 1c to indicate exhaustion of sheets, the last sheets in the respective sheet blocks being of different colour.
Patent GB-983342-A (GB)
Title: Improvements in or relating to lens systems
IPC: G02B17/08
Filed: 1963-04-19
Abstract: 983,342. Lens systems. EDNALITE CORPORATION. April 19, 1963 [Dec,19, 1962], No. 15609/63. Drawings to Specification. Heading G2J. A lens system comprises a plurality of optically aligned lens elements each having at least one spherical surface, the rearmost lens with respect to the object having a plane reflective rear surface, so that light from the object is reflected and again passes through the lens system to form an image that is in front of the lens system. The number of elements in the system is one-half of the number required in an equivalent symmetrical system plus one. Data is given for one example.
Patent GB-1528886-A (GB)
Title: Measuring the state of fill of moulds in the continuous casting of metals
IPC: G01F23/26
Filed: 1977-04-14
Abstract: 1528886 Measurement during metal casting CONCAST AG 14 April 1977 [15 April 1976] 15616/77 Heading G1A An apparatus for the continuous casing of metals, e.g. steel, comprises an oscillating continuous casting mould 1, a measuring instrument 4, 5, e.g. a radiometre instrument, mounted to oscillate with the mould for producing a signal representative of the state of fill of the mould, a contact less motion pick-up 12 e.g. of he inductive or capacitive type, arranged between the mould or a part movable therewith and a fixed part 11 for producing an output signal representative of the stroke of the mould and means for summing the two signals such as to produce a signal representative of the true state of fill of the mould. The measuring instrument may comprise a temperature sensor
Patent GB-920310-A (GB)
Title: Improvements in or relating to methods of increasing fine detail contrast in photographic images
IPC: G03C5/29
Filed: 1961-05-01
Abstract: 920,310. Photographic development. TECHNICOLOR CORPORATION. May 1, 1961 [May 17, 1960], No. 15659/61. Drawings to Specification. Class 98 (2). An exposed photographic silver halide emulsion layer is developed by impregnating the layer with a first developing reagent during recurrent intervals, and during alternate intervals impregnating the layer with a second developing reagent which with the first reagent produces an active developer in the emulsion layer. The first reagent may be a developing agent inhibited with an acid, and the second reagent may be an alkali. The film may be rinsed between successive immersions in solutions of the reagents and superficial liquid removed.
Patent GB-492466-A (GB)
Title: Improvements in or relating to the manufacture of pile fabrics
IPC: D04H11/04
Filed: 1937-06-07
Abstract: 492,466. Pile fabrics. CROSSLEY & SONS, Ltd., J., and DEWS, J. June 7, 1937, No. 15769. [Class 142 (iv)] A batt 10, Fig. 1, is formed into longitudinal loops or pleats by parallel blades 16 and cooperating blades 20 which enter the spaces between the former, the blades extending in the direction of the length of.the fabric to be formed. The blades may be arranged on rotating drums 13, 14. In a modification blades 13a, Fig. 2, with upturned ends 13e are used mounted on a spindle 13b and reciprocated between the blades 16 by link and crank mechanism 13c, 13d. Fixed blades may replace the blades 13a. The blades 16 may be provided on the bed of a reciprocating table. Except for the looping or pleating mechanism, the machine may be as described in Specification 295,323, [Class 142 (iv)]. Specifications 297,819, 317,434, [both in Class 142 (iv)], and 347,232 also are referred to. The table and/or pleat forming mechanism may be reciprocated in a horizontal direction. After removal of one or both series of blades, a backing is secured to one or both sides of the pleated batt, which in the latter case is severed midway to form the pile. Where one backing only is applied, revolving knives extending into the spaces between alternate blades and automatically sharpened by a grinder may be used to cut the free ends of the loops after removal of one series of blades.