baber/WOPTO huggingface dataset:
Patent GB-738827-A (GB)
Title: Electric circuit arrangements for repeating the output of a selection of a plurality of source circuits
Inventor: WHITE ERIC LAWRENCE CASLING
IPC: H03K17/54
Filed: 1952-09-17
Abstract: 738,827. Discharge-tube gating circuits. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Aug. 12, 1953 [Sept. 17, 1952], No. 23298/52. Class 40 (6). A gating circuit comprises a number of discharge tubes to the,grid of each of which a signal source is applied so that when the tube conducts by the application of a control signal to its grid circuit the signal source passes to an amplifier common to all the tubes which has a negative feedback path returned to the grid of each. Fig. 1 shows a circuit for selectively applying signal sources 10, 20 to an output lead 5 via an amplifier 1 there being a negative feedback circuit via resistors 12, 22 to the grids of tubes 13, 23, the conductivity of tubes 13, 23 being controlled by control signals at 15 and 20 which are applied selectively to the grid circuits via diodes 14, 24 respectively. In a modification shown in Fig. 2 three signal sources are applied at inputs 10, 20, 30 respectively and are gated via tubes 13, 23, 33 which are controlled by control signals applied at 15, 25, 35 respectively via diodes 14, 24, 34. The output of each of the gating tubes is applied to an amplifier 1 in their common cathode circuit, there being negative feedback paths via resistors 12, 22, 32 to the grids of tubes 13, 23 and 33 respectively.
Patent GB-322781-A (GB)
Title: Improvements relating to rotary pumps
IPC: F04D29/42
Filed: 1928-08-13
Abstract: 322,781. Mercer, A. A. Aug. 13, 1928. Disc - supported - blade pumps; casings.-A pump for liquids and semi-liquids has means incorporated with its inlet to give the entering material a gradually accelerated helical flow so that it meets the revolving impeller without shock. A hollow pedestal 1 rises from the drainage trav 2 and carries the bearing liner 4 in which is rotatably mounted a sleeve 7 within which is the impeller shaft 16. The curved end 8 of the liner makes a line contact with the apertured cover 9 of the impeller casing 12. Arms 11 extend radially from the end 8 and are engaged by hoop fasteners 13 pivoted on the impeller casing 12. A ring 15a, preferably of rubber, is interposed between the casing 12 and its cover 9. The impeller boss 19 is integral with the blades 20, which are recessed near the hub, and the impeller is completed by back. and front plates 18, 21, the edges of which are turned inwards, as shown. An outwardy flared cone 24 forms an extension of the casing 12 and contains a stationary volute member 23 having a helical groove for the supply of liquid to the pump. The end of the cone 24 is closed by a flange 25 on the member 23 held in position by spring clamps 27. The liquid is fed through the admission channel 26 and passes through the helical groove to the impeller. Any gas in the liquid is withdrawn from the impeller through the ports 58 and duct 56 to an annular groove 50 in the disc 51. This groove has a number of radial ports closed by spring loaded valves 53 when the pump is not working; the valves, however, are thrown outwards by centrifugal force when the pump is working thereby opening the ports to the atmosphere.
Patent GB-837853-A (GB)
Title: Improvements in or relating to nuclear reactor fuel elements
Inventor: WILLIAMS JACK
IPC: G21C21/10
Filed: 1957-07-24
Abstract: 837,853. Nuclear fuel elements. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Oct. 23, 1958 [July 24, 1957], No. 23373/57. Class 39(4). [Also in Group XXII] A nuclear fuel element is made by inserting a uranium rod in a hole in a Be body, closing the hole by screwing or driving in a Be plug or plugs, and extruding the composite billet so produced at 420‹-450‹C and 40-50 tons/square inch. Specification 799,771 is referred to.
Patent GB-1377883-A (GB)
Title: Thiocarbamylsulphenamides and their production
IPC: C07D203/20
Filed: 1973-05-17
Abstract: 1377883 Thiocarbamylsulphenamides and their production B F GOODRICH CO 17 May 1973 [18 May 1972] 23391/73 Heading C2C The invention comprises compounds of formula  wherein A is -NR a R b  or -N(CHR) x  wherein R a  and R b  which may be the same or different, are (C 1-24 ) alkyl radicals; R is H or C 1-4  alkyl; x is 2 to 7; and R 1  and R 2 , which may be the same or different are (C 4-8 ) cycloalkyl radicals (which may be substituted with a (C 1-4 ) alkyl group) or the secondary alkyl structures of formula wherein R is as defined above and the total number of the carbon atoms in the structure is at least five. These compounds may be prepared by reacting an amine of formula B a R b NH or HN(CHR) x  wherein R a , R b  and x are as defined above, with a monohaloamine of formula X-NR 1 R 2 , wherein R 1  and R 2  are as defined in claim 1 and X is Cl, Br or I, and with CS 2  in the presence of a base.
Patent GB-824446-A (GB)
Title: Method of converting individual asbestos fibres into coherent fibrous bodies
IPC: B28B1/52
Filed: 1957-07-24
Abstract: 824,446. Moulding asbestos fibres. REX VON W. G., WILKE, S., and WILKE W., [trading as REX ASBESTWERKE GRAF VON REX K.-G.]. July 24,1957 [July 31, 1956], No. 23489/57. Class 87(2). [Also in Groups VIII, IX and XXVIII] In as method of converting a mass of individual asbestos fibres into a coherent fibrous body, a dispersion of the fibres in a liquid medium is passed through a forming channel having an outlet cross-section corresponding in shape to that of the body to be produced and the body so formed is consolidated as it leaves the channel. The fibrous products may be liberated from all or any foreign constituents e.g. by use of selective solvents or thermal dissociation. The dispersion may contain a medium which, by chemical or thermal reaction, can be made inactive or converted into a bonding agent for the fibres, or a liquid or chemical solution capable of at least partial wring or hardening by chemical and/or thermal treatment e.g. passage through a precipitation bath or a hot-gas chamber. The dispersing liquid may consist mainly of water with a dispersion promoting substance e.g. polyglycol ether, or it may comprise a water-soluble fatty acid soap, normal spinning solutions of cellulose xanthate or cellulose solutions, alkaline solutions of protein, or rubber or synthetic resins, e.g. polyvinyl or polyacryl compounds, silicones, polyethylene, polyfluorethylene, polyamides, polyesters, polyurethanes, phenol-aldehydes. As shown in Fig. 1, the dispersion is continuously supplied into a tank 1 and emerges from a nozzle 3 as a strand 4 which is consolidated in a precipitation bath 5 and removed by a conveyer 8.
Patent GB-1146297-A (GB)
Title: Photomask and method for making same
IPC: G03F1/56
Filed: 1966-05-26
Abstract: 1,146,297. Glow discharge irradiation apparatus. TEXAS INSTRUMENTS Inc. 26 May, 1966 [2 Sept., 1965], No. 23573/66. Heading H5R. [Also in Divisions G2 and H1] A method of producing a photomask comprises applying a desired pattern of photoresist material to a support transparent to visible light and bombarding the coated support with ionized particles to render the material opaque to ultra-violet but still transparent to visible light. The ion bombardment is preferably carried out by placing the patterned support in the dark region of a glow discharge in an atmosphere of argon, hydrogen or steam. As shown, a mask 1 of a glass support coated with a patterned layer of fluoresist material is placed with patterned layer downwards in bell chamber 23 which is evacuated to as low as 10<SP>-7</SP> mm. of mercury by vacuum system 22. The chamber is then filled with 10<SP>-3</SP> to 10-2 mm. of mercury with argon, hydrogen or steam from cylinder 20 and A.C. voltage is applied across electrodes 19 so that the dark portion of the glow surrounds the mask 1 giving a voltage of 5000 to 15,000 volts and rendering the photoresist opaque to ultra-violet light. These masks are used in the photographic production of semi-conductor devices (see Divisions G2 and H1).
Patent GB-206956-A (GB)
Title: A device for the protection of operatives of pressing and like machines
IPC: F16P3/06
Filed: 1922-08-30
Abstract: 206,956. Roberts, A. W., and Thomas, U. Aug. 30, 1922. Guards, controlling.-In power-driven presses, stamps, punching-machines, &c., a shield is moved to and looked in the protective open position at predetermined phases in the operation of the machine by a rotatably-mounted member, which positively co-operates with a reciprocating striker moving tangentially thereto in such manner that, at certain points in its travel, it relinquishes rotational engagement but retains a chordwise locking-engagement with the rotatable member. An aluminium shield 1, provided with spring buffers 3, is hung on links, one of which is a. swinging arm 9, or slides on a rail 5 and is reciprocated by the arm through a pin 11 and slot 10. The arm 9 is pivoted on a plate 17 secured to the frame of the press &c. and carries a cam member 12, preferably machined from solid steel. The cam 12 has oppositely-facing staggered noses 25, 26 and flat surfaces 23, 24, with which co-operate respectively actuating- shoulders 22a, 21<a> and locking-surfaces 22, 21 on a bar 20, which is adjustably secured by a slot 19a and a tool-holding or other bolt 19 to the ram 18 of the press &c., and ds held up to the cam 12 by a roller 27. A rear view of the bar 9 in locked position is shown in Fig. 5, the nose 25 and flat 23 being blocked by the surface 22. When the ram has effected, say, three-quarters of its upward movement, the nose 25 is freed and the parts 21a, 26 contact to withdraw the guard 1 to the position shown in full lines in Fig. 1. At a corresponding point in the descent, the parts 22a, 25 contact to move the guard into the protective position, the subsequent travel of the bar 20 holding the guard locked. The bar 20 may be machined from the solid or may have the striker-projections welded on. A stationary guard 8 may be fitted. The parts 12, 27 may run on ball or roller bearings.
Patent GB-760810-A (GB)
Title: Improvements in and relating to processes and installations for crystallizing substances from solutions
IPC: B01D9/00
Filed: 1953-08-26
Abstract: <PICT:0760810/III/1> <PICT:0760810/III/2> <PICT:0760810/III/3> A crystallizing apparatus comprises means for producing supersaturation in a liquid (a heater and an evaporator or a cooler or a heater only) and a crystallizer arranged in two circuits, the circuit containing the crystallizer forming a shunt to the circuit containing the supersaturator and the flow through the shunt circuit being smaller than that through the primary circuit.  By this means more efficient use may be made of the supersaturating system.  The crystallizer may be of the type in which crystals are maintained in suspension until they grow to the required size.  Entrained small crystals may be wholly or partially separated from the liquor returning from the crystallizer to the primary circuit.  As described, Fig. 1, liquor is circulated from an evaporator B via pumps F and G to heater A and back to evaporator B while liquor is also taken from B to crystallizer H and then by overflow K back to the primary circuit. In Fig. 2 liquor is circulated by pump F through heater A and evaporator B, liquor also being taken from the evaporator at M to crystallizer H from which it is returned by pump G to the evaporator.  In Fig. 3 liquor is circulated by pump F from evaporator B through heater A back to the evaporator.  A secondary flow is also maintained by pump G from evaporator B crystallizer H and separator N which removes entrained crystals and returns them at P to the crystallizer.  In all arrangements fresh liquor is introduced at E.
Patent GB-1173355-A (GB)
Title: New Isoxazoles and process for their manufacture
IPC: C07D413/12
Filed: 1967-05-22
Abstract: 1,173,355. 3 - Pyridyl - 5 - pyridolylaminoisoxazoles. CIBA Ltd. 22 May, 1967 [9 June, 1966; 14 March, 1967], No. 23664/67. Heading C2C. The invention comprises isoxazoles containing a pyridoylamino group in position 5 and a pyridyl group in position 3, and preferably compounds of the formula where Py and Py<SP>1</SP> each represents a 2-, 3- or 4-pyridyl group which may be substituted by C 1-5  alkyl group and/or a halogen atom, R<SP>1</SP> represents H, C 1-5  alkyl or a halogen atom, and R<SP>11</SP> represents H or a C 1-5  alkyl group. The novel compounds may be made by reacting an isoxazole having in position 3 a pyridyl residue and in position 5 an amino group having at least one H atom, with a halide, e.g. chloride, of a pyridine carboxylic acid, preferably in the presence of a condensing agent and/or a catalyst, e.g. an organic or inorganic base such as pyridine or an alkali metal carbonate or acetate. An isoxazole with a free H in position 4 may be halogenated, e.g. chlorinated or brominated. 3 - (3 - Pyridyl) - 5 - amino - isoxazole is obtained by reacting nicotinic acid ethyl ester with acetonitrile to form nicotinoylacetonitrile and reacting the latter with hydroxylamine hydrochloride. 3 - (4 - Pyridyl) - 4 - methyl - 5 - amino - isoxazole is similarly obtained from α-(4-pyridyl)- propionitrile. 3 - (4 - Pyridyl) - 4 - bromo - 5 - amino - isoxazole is obtained by brominating 3-(4-pyridyl)-5-amino-isoxazole. 3 - (4 - Pyridyl) - 5 - (methylamino) - isoxazole is obtained by reacting 3-(4-pyridyl)-5-acetylamino-isoxazole with methyl iodide. Pharmaceutical or veterinary compositions, useful as antiphlogistics, comprise an above 3 - pyridyl - 5 - pyridoylamino - isoxazole in admixture or conjunction with a diluent or extender, for example in the form of tablets, dragees, capsules, suppositories, ointments, creams, solutions, suspensions, emulsions or feedingstuffs.
Patent GB-456928-A (GB)
Title: Improvements in radio receivers
IPC: H03J7/04
Filed: 1935-08-23
Abstract: 456,928. Wireless receiving circuits. MURPHY RADIO, Ltd., 62, Brook Street, Hanover Square, London, and BAKER, G. B., and HAWKINS, G. F., Murphy Radio Works, Broadwater Road, Welwyn Garden City. Aug. 23, 1935, No. 23710. [Class 40 (v)] In a radio receiver having automatic tuning, one member of the tuning indicator is automatically shifted in accordance with the amount of adjustment effected automatically. Fig. 3 shows an automatic tuning circuit as shown in Specification 453,858 comprising a thermionic impedance 16 the suppressor grid bias of which varies in accordance with departure from exact tune. Advantage is taken of the corresponding variation of screengrid or anode current to adjust the tuning indicator by means of a milliammeter 5 the deflection of which will be a measure of the amount of automatic tuning involved. To equalize the meter readings to the tuning effect over the frequency scale, a variable graded shunt 6 is unicontrolled with the tuning condenser 4. As shown in Fig. 2, the milliammeter 5 is carried on the tuning indicator frame 30, its pointer 31 forming the index of the moving station scale 27. The index thus varies its position in accordance with automatic tuning after the scale 27 has been approximately adjusted by the tuning knob 29. Alternatively the adjustment of the indicator in dependance on automatic tuning may be effected by automatically shifting the scale of the indicator instead of the index. Specification 443,423 also is referred to.
Patent GB-840541-A (GB)
Title: Improvements in or relating to leather soles for footwear
IPC: A43B13/00
Filed: 1955-08-17
Abstract: 840,541. Sole for repairing footwear. ROBERTSON, W. M., and SURRIDGE, H. R. E. Aug. 16, 1956 [Aug. 17, 1955], No. 23742/55. Class 17(2) A repair sole 10 is of leather and has a marginal zone 11 about three quarters of an inch wide, feathered to reduce the thickness of the edge 10a to about one third that of the sole. An adhesive 12 is coated on the feathered side and is covered by a protective layer 13 of linen or polythene sheet which preferably is given a pattern 14.
Patent GB-790145-A (GB)
Title: A new or improved machine for trimming the edges of verges of roads or ways
IPC: A01G3/06
Filed: 1955-08-18
Abstract: 790,145. Trimming verges of roads or ways. HARRAWAY, L. G. Aug. 20, 1956 [Aug. 18, 1955], No. 23768/55. Class 107 In a machine for trimming the edges of verges of roads or ways of the kind in which a structure having a device for engaging the edge of the verge is carried along it by a tractor 1 travelling on the road or way which has a kerbs tone along the edge of the verge, the structure comprises a bracket-like support carrying an assembly 5 of flails, rotatable on an inclined axis A, means being provided for coupling the support 4 to the tractor 1 and for transmitting drive to rotate the flails about, the axis. Said means comprise frame parts 4a attached to a hydraulic lift mechanism 2 and also by connections 21 to a channel part 4b, a drive coupling 7 connected to the power take off 3 mounted on a ball-bearing arrangement 6, and connected thereto by bevel gears a drive transmitting shaft 9 having an extension 9d. The flails have arms 11 with heads 14 which engage and trim the edge. The arms 11 are of wire cable, fixed at 11a and 11b to the extension 9a by plates 12 and screws 13. The heads 14 are made up of a metal block 15 having a slot 15d forming a hook attached at 11c to the flail by closing it with a plug bracket 17 fixed by screw 18.
Patent GB-716084-A (GB)
Title: Improvements in and relating to antenna arrays
IPC: H01Q11/04
Filed: 1952-09-25
Abstract: 716,084. Aerials. MOORE, C. W. (Philco Corporation). Sept. 25, 1952, No. 24053/52. Class 40 (7) In an aerial array comprising two parallel sets of five collinear #/ 2  elements 11, 13, 15, 17, 19 and 12, 14, 16, 18, 20 in which the adjacent ends of the elements are interconnected by #/ 2  transposed conductors 21-28 and the central elements are centre 'fed by transmission lines 29, 30, the central portions of the non-central elements are folded, the lengths of the non-radiating re-entrant portions 31-38 being increased towards the ends of the array so that the relative energization of the elements is proportional to the co-efficients of a binomial expansion. As shown, the spacing s between the sets of elements is constant and the spacing d 'between the centres of adjacent elements varies but alternatively d may be constant and s variable. 'When more than two yertically stacked sets of elements are employed, both the 'horizontal and vertical energy distribution may be binomial. The invention is also applicable to an array of parallel #/2 elements.
Patent GB-301139-A (GB)
Title: Shuttle changing or selecting mechanism for weaving looms
IPC: D03D45/34
Filed: 1927-09-13
Abstract: 301,139. Stuttard, W., Duckworth, T. C., and Ormerod, T. Sept. 13, 1927. Change-box motions.-In order to distribute slight variations in the shade of the weft when weaving with artificial silk, or cotton, or wool, a Lancashire or oneshuttle loom is fitted with a twocell shuttle box a containing two shuttles s<1>, s<2>. These are brought into action as required by turning the box a about a pivot a<1> by means of lever mechanism k, g, a quarter moon c, and a double grooved tappet cam b. Each shuttle may be used for two picks. The quarter moon c is pivoted on an adjustable or other block on a spring-controlled lever g, guided by a stirrup &c. i and detachably connected by a pin g<5> to a slotted bar j acting through springs j<5>, k<2> in a tube j<3> on a spindle k connected to a block h<5> on a cranked or other spindle h<2>, which connects the projections h<1> of brass or other end plates h on the swivelling shuttle box. The spindle h<2> may have two positioning bosses held by pinching studs. The two springs allow the intermediate device j, k to yield in case of obstruction, both when the tappet lever g pulls and pushes. A plate or other spring i<1> may buffer the tappet lever g in its downward movement, and a coiled spring g<3> or other buffer is carried in a cased housing g<2> at the top of the lever g. The bar &c. j may be held disengaged from the lever g by means of an inserted pin g<6>. According to one of the Provisional Specifications, a swivel shuttle box may be used at each side of the loom and three shuttles be used, also the tappet lever is connected to a bowl working in a slot in an oscillating lever provided with a flexible connecting rod jointed to the swivel box.
Patent GB-897124-A (GB)
Title: Improvements in or relating to electrical reflectometers
Inventor: HULME HENRY GORDON
IPC: G01R27/06
Filed: 1959-07-14
Abstract: 897,124. Standing wave ratio measurements. RACAL ENGINEERING Ltd. July 14, 1960 [July 14, 1959], No. 24077/59. Class 37. A reflectometer for measuring the S.W.R. in a transmission line comprises a section 11 of coaxial transmission line having mounted therein a probe 10 rotatable about an axis parallel to the longitudinal axis of line 11, terminating resistors R8, R5, detectors MR2, MR1 and attenuators being so connected to the probe that the electrostatically and electromagnetically coupled voltages appearing between the probe and line 11 due to a wave travelling along the line will be additive at one detector and opposing at the other. To calibrate the reflectometer the line 11 is correctly terminated so that the S.W.R. is one, and probe 10 is rotated until the reading in that detector responsive to the difference in the electrostatically and electromagneticallycoupled voltages reads zero. Line 11 is now coupled to the load, the S.W.R. of which is to be measured and, with switch SW1 in the position shown, the voltage VR due to the reflected wave is first applied to meter 12 and with switch SW1 in the other position, the voltage Vo due to the transmitted wave is applied to meter 14. The meter 12 is calibrated to give the directly, or alternatively, in terms of incident and reflected power. Aerial current can be measured by a toroidal current transformer 13 coupled to inner conductor 11a of line 11, the secondary winding of which is applied to a meter 14 through resistors R15, R16, a rectifier bridge M3-6 and a filter network.
Patent GB-715790-A (GB)
Title: Improvements in or relating to overcoats
IPC: A41D27/18
Filed: 1952-09-25
Abstract: 715,790. Coats. VONDELEN, L. J. M. VAN. Sept. 25, 1952 [Sept. 26, 1951], No. 24107/52. Class 141 An overcoat adapted to be worn either open or closed in front and provided with pointed-style lapels 3, has the adjacent edges 4, 5 of the collar 2 and lapels 3 interconnected over their entire length by detachable means, e.g. sliding-clasp fastener. In an alternative construction, press-stud fastener components may be provided on a lip at the lower edge of the collar and at the under side of the lapel.
Patent GB-517892-A (GB)
Title: Improvements in or relating to the production of starch conversion products and the improved products resulting therefrom
IPC: C12P19/14
Filed: 1938-08-16
Abstract: 517,892. Glucose. STEVENS, A. H. (Staley Manufacturing Co., A. E.). Aug. 16, 1938, No. 24154. [Class 127] A glucose syrup is prepared by acid hydrolysis of an aqueous starch suspension followed by treatment of the conversion product with a diastatic enzyme. The starch suspension is mixed with hydrochloric acid and boiled until pasted. It is then heated under steam pressure until it has at least a dextrose equivalent of 25 per cent. The product is neutralized with sodium carbonate, clarified, filtered, decolorized with bone char or activated carbon, and concentrated. It is treated with malt diastase or with a mould enzyme prepared from Aspergillus Oryzae, Flavus, Niger or Wentii, Monilia Sitophila, or Rhizopus Nigricans or Tritici. The syrup is heated to destroy the enzyme, again decolorized and concentrated.