baber/WOPTO huggingface dataset:
Patent GB-921749-A (GB)
Title: Improvements in or relating to electrical circuit arrangements for translating code groups
IPC: G06F11/08
Filed: 1959-11-27
Abstract: 921,749. Electric code converters. PHILIPS ELECTRICAL INDUSTRIES Ltd. Nov. 27, 1959 [Dec. 2, 1958], No. 40418/59. Class 40 (1). A circuit for converting data from a first code to a second consists of a number of groups of magnetic core storage elements of which all are initially set and all but one in each group are reset by the entered data, the remaining set elements being then reset by a read-out pulse to produce an output in the second code. In the examples described, the data is represented in the first code by combinations of three bits A, B, C and in the second code by a combination of five bits, two of which are " 1 " and three "0." In Fig. 2, the data is entered by three switches A, B, C, each adapted to mark a " 1 " or " 0 " lead 21-26. The leads are linked in each of five groups with particular ones of eight magnetic cores 1-8 so that according to the setting of the switches A, B, C all but one of the cores in each group are linked by an energized winding. If the input data is digit " 4," switch A is set to " 0 " and switches B and C are set to "1." The cores are initially set by windings on lead 30 by energizing terminal 28. The entry of the data causes switch A to reset cores 5-8 in each group, switch B cores 1, 2, 5 and 6 and switch C cores 3, 5 and 7. Core 4 is therefore the only one left set. When reset terminals 29a-29e are energized successively, the cores 4 reset and give time-spaced signals on lines a and e of the five output lines a-e. Since the three input switches and their control leads are series-connected a fault in the circuit is revealed. In each group, a number of cores are idle, that is they are unlinked with the output leads. If these are removed and a single output lead replaces the leads a-e, the arrangement of Fig. 3 is obtained, in which there are 16 cores instead of 40 and they form five groups (4, 4, 3, 3, and 2 cores). All cores are linked with the output lead 37 so that as the groups are reset in turn by the reset pulses on terminals 29a-29e the equivalent in the 2-out-of-5 code appears in serial form at terminal 39.
Patent GB-885705-A (GB)
Title: Selective separation of granular materials having different electric properties
IPC: B03C7/06
Filed: 1959-11-30
Abstract: 885,705. Electrostatic separation. SHEAHAN, P. M. M. Nov. 30, 1959, No. 40536/59. Class 117. [Also in Group XL(a)] In an electrostatic separator for granular materials, material to be separated is pre-charged betweer plates 27 and 29 which are inclined at an adjustable angle. An insulating screen 30 prevents sparking from the plate 29 and is attached to a shutter 14 for adjusting the rate of flow of the material from a hopper 12. A rotatable drum 11 is earthed and an adjustable electrode assembly is mounted between insulator supports 38. The electrode assembly consists of an ionising wire 48 supported on a pair of metallic posts 49 which are screwed into a metal tube 45 and which pass through slots 54 in a cylindrical member 46. An insulated high voltage supply lead 43 is connected to the tube at one end, and an insulator rod 53, rotatable by a knob 39, is attached to the other end of the tube. The cylindrical member 46 has an attached semi-cylindrical member 47 which forms a focussing electrode for the ionising wire 48, and a hollow insulating rod 50 secured to the member 46 is rotatable by a knob 40. An anti-arcing insulating bead 57 is fitted to the member 47. Rotation of the member 46 determines the distance between the electrode assembly and the drum 11, the strength of the field, and the pattern of the discharge. Movement of the wire 48 by rotation of the posts 49 along the slots 54 serves to focus the wire in relation to the semi-cylindrical member 47. An adjustable high voltage D.C. power supply is specified and an alternating voltage of variable frequency and amplitude may be superimposed on the D.C. supply. The supply is applied to the electrode lead 43, and a voltage divider permits a reduced potential across the pre-charging plates 27, 29. The treated material is collected in hoppers 41. A rotating brush may bear against the surface of the drum to remove any material which remains for an unnecessary length of time.
Patent GB-938810-A (GB)
Title: Improvements relating to magnetic separators of the drum type
Inventor: TURNOCK ARTHUR GEORGE
IPC: B03C1/12
Filed: 1960-11-26
Abstract: 938,810. Magnetic separators. ELECTROMAGNETS Ltd. Sept. 29, 1961 [Nov. 26, 1960; Dec. 3, 1960], Nos. 40728/60 and 41657/60. Class 117. In Fig. 1, a rotatable drum type magnetic separator comprises an outer drum of non- magnetic material provided with protuberant elements 211 of para-magnetic material which may be fixed to the drum by welding, brazing or screwing. An inner drum 20, also of non- magnetic material, is provided but the outer drum may be dispensed with and the elements 211 applied to the drum 20. The outer drum may alternatively be made of para-magnetic material. In a modification, Fig. 3, the outer drum consists of two arcuate half-sections 21a, 21b bolted together to secure them to the inner drum 20. The elements 211 are of mild steel and may be of the forms shown in Figs. 5-11. Permanent or electromagnets are located within the drum unit.
Patent GB-863481-A (GB)
Title: Improvements in or relating to metal working machines
Inventor: REDMAN ALBERT MAURICE
IPC: B21D7/028
Filed: 1957-09-20
Abstract: 863,481. Bending. WILMOT-BREEDEN Ltd. Dec. 24, 1957 [Sept. 20, 1957], No. 40912/59. Divided out of 863,480. Drawings to Specification. Class 83 (4). The subject-matter of this Specification is identical with part of that described in Specification 863,480, but the claims are concerned with the mechanism for rotating the former and for applying the forming member to the workpiece. Specification 863,482 also is referred to.
Patent GB-1116321-A (GB)
Title: Improvements in or relating to blind-riveting tools
IPC: B21J15/04
Filed: 1965-09-27
Abstract: 1,116,321. Blind riveting. GEORGE TUCKER EYELET CO. Ltd. 27 Sept., 1965 [28 Sept., 1964], No. 40954/65. Heading B3U. A blind riveting tool comprises a body 10 within which is a draw-bar 24 and a jaw assembly 35 which together grip and pull the mandrel M of a rivet R to set the rivet. The draw-bar is pulled by clockwise movement of a handle 13 about a fulcrum pin 28 connecting it to the body 10. The jaw assembly 35 comprises a wedge element 20 which is urged by a spring 48 into sliding contact with a support element 38 which is pivoted on a pin 42 attached to the draw-bar 24. Pins 32 and 46 limit the movement of the elements 20 and 38 within the draw-bar. A replaceable anvil member 14 serves to guide the mandrel, and to restrain upward movement of the rivet, and has a conical face 58 which forces apart the mandrel engaging portions of the draw-bar 24 and the wedge element 20. To set the rivet handles 12, 13 are brought together against the action of the spring 48, raising the draw-bar and the pivot 42. The element 20 then slides down the face 40 of the element 38 until it grips the mandrel against a portion 18 of the draw-bar. Further upward movement of the draw-bar causes the jaw assembly to pivot about the pin 42, tightening the grip on the mandrel which is also raised, thus setting the rivet R. The anvil member 14 may be interchanged with others of different sizes one of which, 60, is stored in the handle 13. After the rivet has been set, breaking the mandrel away from the rivet, the handle is released and the mandrel falls away, bosses 66 being provided to prevent a broken mandrel from jamming the tool. When not in use the handles 12, 13 may be kept in a closed position, Fig. 1 (not shown), by means of a button 70 which can be engaged with a hook 74.
Patent GB-1009893-A (GB)
Title: Improvements in or relating to pesticidal or herbicidal or like compositions
IPC: A01N25/08
Filed: 1961-11-17
Abstract: A granular pesticidal or herbicidal composition comprises a pesticide or herbicide and the granular residue remaining after the aqueous extraction of ground coffee beans.  Specified herbicides are 2, 4-D 4-chloro-2-methyl-phenoxyacetic acid, 2, 4, 5-T and esters, salts and amides thereof; 2, 4-bis (ethylamino)-6-chloro-1, 3, 5-triazine; 2, 6-dichlorobenzondonitrile or 2, 4, 6-trichlorobenzonitrile. Specified pesticides are DDT, Aldrin, hexachorocyclohexane, 2, 4, 5, 41-tetrachlorodiphenylsulphone, 2, 4, 5, 41-tetrachlorodiphenyl sulphide, Parathion, Malathion (Registered Trade Mark), Zineb, triphenyl tin acetate or dichloropropene.  The compositions may contain anionic or honionic surfactants or adhesives.  Specification 689,820 is referred to.
Patent GB-1191858-A (GB)
Title: Method of Increasing the Fatique Strength of Hardened Workpieces having Curved Surfaces
IPC: C21D7/04
Filed: 1967-09-12
Abstract: 1,191,858. Altering physical properties. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. 12 Sept., 1967 [24 Sept., 1966], No. 41512/67. Heading B3V. A method of incresing the fatigue strength of a hardened or hardened and finish-machined workpiece having a curved surface subjected to pressing and sliding stresses, e.g. a gear-wheel or the raceway of a bearing, comprises shot peening the curved surface to increase its strength and produce a residual compressive stress after hardening or hardening and finish-machining. For brittle materials, e.g. high-carbon bearing steels, hardness may be reduced by tempering before shot peening.
Patent GB-1047592-A (GB)
Title: Improved control for induction motors
Inventor: GRIMWOOD GEOFFREY LUTHER
IPC: H02P25/28
Filed: 1961-11-21
Abstract: 1,047,592. Automatic speed control. THOMAS BROADBENT & SONS Ltd. Nov. 15, 1962 [Nov. 21, 1961], No. 41517/61. Heading G3R. [Also in Division H2] An induction motor 10 driving a centrifuge has saturable reactors in its stator circuit, such reactors being controlled in accordance with deviations of the motor speed from a reference value. The output from tachometer generator 19 is applied through rectifier 20 to resistor 26 which also receives a reference voltage signal from transformer 27 and rectifier 28. A unidirectional current proportional to the difference of the two voltages energizes control winding W1 of self-excited magnetic amplifier 22 having output windings W3. The amplifier also has bias winding W2. The control coils 23 of saturable reactors 11,12,13, are connected in series or parallel across the output of amplifier 22. In the event of failure of the tachometer generator or its associated components, relay R1 is actuated to open an interlock circuit. A relay R2 indicates a failure in the bias circuit. When the centrifuge is being braked from a speed above that selected for ploughing, a brake valve being controlled by relay R4 and contacts C4, the output of amplifier 22 increases rapidly to prevent further deceleration as the speed passes through the plough speed. This increase in output also ener - gizes relay R3 to release the plough discharger into the basket. The saturable reactors in the motor circuit may be replaced by silicon controlled rectifiers. The arrangement is such that the error voltage is applied to the input of the amplifier only when the reference voltage exceeds the tachometer output.
Patent GB-1012744-A (GB)
Title: Improvements in or relating to steam turbine power plants
IPC: F01D11/06
Filed: 1962-11-02
Abstract: 1,012,744. Steam turbine glands. GENERAL ELECTRIC CO. Nov. 2, 1962 [Nov. 6, 1961], No. 41586/62. Heading F2B. In a steam turbine plant the turbine glands are supplied with sealing steam by a system including a pressure regulator 9 that maintains the pressure in a gland steam header 6 at a given value by discharging excess sealing steam to an extraction line 4 from a low-pressure turbine section 1 exhausting to a condenser 3 and valve means are provided which are automatically operated to protect the low-pressure turbine section 1 against the possibility of overheating by diverting the excess sealing steam direct to the condenser 3 when conditions occur which indicate flow, or the possibility of flow, of relatively hot sealing steam through the extraction line 4 into the lowpressure turbine section 1. The header 6 is connected to the turbine glands (not shown) by conduits 6a. High-pressure high-temperature primary steam is supplied to the header 6, when necessary, either through pipes 7, 8 and 11 and feed valve 12 controlled by the regulator 9 or direct through a manually-operable by-pass valve 15. Excess steam in the header 6 is discharged to a pipe 14 through a valve 13 controlled by the regulator 9. The pipe 14 is connected to a three-way valve 17 having outlets controlled by butterfly valves 17a and 17b actuated by a single rod 18 operable so that when one valve is open the other is closed and the excess gland steam is led either to the line 4 where it mixes with extraction steam to heat feed water in a heater 5 or to the condenser direct via a pipe 19. The rod 18 is connected to a piston 21 actuated in one direction by a spring and in the other by compressed air supplied to the cylinder 20 from a source (not shown) and passing in series, as shown in chaindotted lines, through three pilot valves 23, 24 and 25 each movable to a position to release the pressure in the cylinder 20. Under normal operating conditions the valves are in the position shown and excess gland steam passes to the line 4. The valves 23, 24 and 25 are controllable respectively by an abutment 26 on the stem 27 of valve 15, a lever 28 actuated by the stem of valve 12 and a solenoid 29 energized by current supplied through a relay 33 controlled by a thermostat 31 responsive to the steam temperature in the line 4. The air pressure in the cylinder 20 is released and the excess gland steam led to the condenser 3 when (a) the bypass valve 15 is open or (b) the feed valve 12 is open or (c) the steam temperature in the line 4 exceeds a safe value. The operation of the three-way valve 17 may be tested by a manual control-knob 34 on the relay 32.
Patent GB-989819-A (GB)
Title: Production of methacrolein
IPC: C07C45/65
Filed: 1962-11-05
Abstract: Methacrolein is prepared by reacting isobutyraldehyde with at least one oxide of molybdenum or uranium at 225-500 DEG  C.  Contact times of 1-50 seconds are suitable; the isobutyraldehyde vapour may be passed through a preheated bed of the oxide.  An inert diluent, e.g. nitrogen, may be used.  The spent oxide may be regenerated by passing air through the bed in alternation with the isobutyraldehyde. The air should be diluted with, e.g. nitrogen, to prevent overheating during reoxidation.  Alternatively a moving bed reactor, in which the oxide is continuously replenished and spent oxide removed, may be used. Four examples describe the process, using fresh MoO3 and UO3, and the regenerated oxides of Mo and U, the latter probably being oxides lower than the trioxide. Biacetyl is a minor product.
Patent GB-1411102-A (GB)
Title: Oil-and-water-repellent composition
IPC: C08F220/38
Filed: 1972-09-08
Abstract: 1411102 Fluorine-containing copolymers ASAHI GLASS CO Ltd 8 Sept 1972 41916/72 Heading C3P [Also in Division D1] Oil- and water-repellent compositions comprise a copolymer of at least 25 weight per cent of units derived from a fluoroalkyl groupcontaining monomer other than tetrafluoroethylene and units derived from an alkyl vinyl ether CH 2 =CHOR where R is a chlorine, bromine or iodine substituted C 1-4  alkyl group. The fluorine-containing monomer may be a C 3-15  fluoroalkyl acrylate or methacrylate. Specified ethers are chloromethyl, bromomethyl, 2-chloroethyl and chloropropyl vinyl ethers. The copolymers may also contain units derived from other monomers, e.g. ethylene, vinyl fluoride, vinylidene halides, acrylic and methacrylic acids, esters, amides and nitriles, styrene, conjugated dienes, maleic anhydride, vinyl alkyl ethers, vinyl alkyl ketones and preferably vinyl chloride. The copolymers may be applied to fabrics, glass, paper, wood, leather, asbestos, cement, ceramics, metals, metal oxides and plaster, from solution or aqueous emulsion. Many examples are given describing copolymers of fluoroalkyl acrylates with 2- chloroethyl vinyl ether, optionally together with vinyl chloride, vinyl chloride and styrene, and vinyl chloride and butyl acrylate; bromomethyl vinyl ether and vinyl chloride; and 2-chloroethyl vinyl ether, vinyl chloride and methyl acrylate.
Patent GB-1435703-A (GB)
Title: Multi-ply paper and paperboard
IPC: D04H1/58
Filed: 1972-09-09
Abstract: 1435703 Laminating process and apparatus KARL KROYER ST ANNE'S Ltd 15 Aug 1973 [9 Sept 1972] 41958/72 Heading B5N A process for making a multi-ply paper or paper board product comprises wet-laying fibres on a first permeable forming surface, e.g. a Fourdrinier or cylinder mould machine to form a wet-laid ply, dry-laying fibres on a second permeable forming surface to form a dry-laid ply, incorporating a binder in the dry laid ply or in the fibres forming the dry-laid ply, consolidating the binder-containing dry-laid ply by hot pressing, and combining the consolidated dry-laid ply with the wet-laid ply to provide the multi-ply product, the moisture in the wet-laid ply together with the binder in the dry-laid ply being sufficient to laminate the plies together. In a preferred embodiment, a third ply formed by wet-laying fibres is combined with the first two plies. The dry fibres may be mixed with dry powdered binder, the dry mixture being sprayed with water and at least partly consolidated to form the dry-laid ply; alternatively the fibrous layer may be sprayed with a binder or the fibres impregnated with a binder, dried, dry-laid and subsequently sprayed with water. An apparatus for making the product comprises a first permeable forming surface, means for wet laying fibres thereon to form a wet-laid ply, a second permeable forming surface, means for dry laying fibres thereon to form a dry-laid ply, means for incorporating a binder in the dry-laid ply or in the fibres forming the dry-laid ply, means for consolidating the binder-containing dry-laid ply comprising a pressing nip defined between a heatable cylinder and a pressing roll, means for heating the cylinder, and means for combining the two plies. In the embodiment described with reference to Fig. 1, stock from the head-box 14 of the Fourdrinier wet end 11 is deposited on to a forming wire 15 to form a wet-laid web 16. Dry fibres mixed with dry powdered binder are deposited in an air stream through two heads 20, 21 onto a forminous forming wire 22 of device 12, a vacuum box 19 assisting in drawing the fibres on to the wire 22 to form a dry-laid web which is consolidated by press roller 23 and heated cylinder 24 and transferred on to the upper surface of the wet-laid web 16 by suction boxes 17 and 18, a further web from cylinder mould 13 being deposited from wire 26 at roller 28 on to the two-ply product to form a threeply product. In the embodiment described with reference to Fig. 2 the dry laid-fibres mixed with adhesive are deposited by heads 40 and 41 on to the wire 42 and the mixture sprayed with water from heads 43, the moist mixture being passed around a heated cylinder 44 through at least two pressure nips provided by rollers 45 and 46 prior to deposition on the first wet-laid web. In the embodiment of Fig. 3 (not shown) the third ply is formed on a Fourdrinier section.
Patent GB-986307-A (GB)
Title: Improvements in steam generators, hot water boilers and the like
IPC: F22B21/24
Filed: 1963-10-24
Abstract: 986,307. Water-tube steam and hot-water boilers. H. VORKAUF. Oct. 24, 1963 [Jan. 11, 1963], No. 42068/63. Heading F4A. In a steam generator, hot-water boiler or the like water is heated on flowing through tubes extending from hexagonally arranged distributing headers 1a ... 1f to hexagonally arranged collecting headers 2a ... 2f. The two hexagons are disposed immediately above one ano ther. Tubes 3 extending from three non-adjoining headers 1b, 1d, 1f of the distributing header hexagon are connected to intermediate headers 4 from each of which a group of tubes extends to similar headers 7 which are similarly connected by tubes 8 to the collecting header hexagon. The headers la, 1e, 1c of the distributing header hexagon which are not connected to tube groups may be connected to corresponding headers of the collecting header hexagon by tubes 9. A burner having an axis 5 may be provided. The headers 4 are disposed at 60 degrees to the associated header as shown. In a further embodiment the headers 4 are shorter than the distributing headers 1a-1f and parallel headers 4 extend both from one distributing header and part of an adjoining one so that a space is formed within the hexagonal prism.
Patent GB-946627-A (GB)
Title: Improvements in or relating to arrangements for controlling the speed of direct current electric motors
Inventor: EALES LEONARD WILLIAM
IPC: H02P7/292
Filed: 1961-11-24
Abstract: 946,627. Rectifying; control of D.C. motors. GENERAL ELECTRIC CO. Ltd. Oct. 17, 1962 [Nov. 24, 1961], No. 42126/61. Headings H2F and H2J. A D.C. motor 1 is controlled over a highspeed range by an A.C. regulator 2 associated with a bridge rectifier comprising both diodes 3-8 and silicon controlled rectifiers 9-11, the latter being free-firing over this range. When the regulator 2 is adjusted to its minimum value, a unit 12 becomes effective to set the firing angles of rectifiers 9-11 for control over a lower range of speeds. If a high voltage is applied to the rectifiers 9-11 when they are under the control of unit 12, Zener diodes 13- 15 break down to cause the silicon controlled rectifiers to beome free-firing. Diodes 16-18 prevent the development of high peak inverse voltages across the rectifiers 9-11. The regulator 2 may be an induction regulator or other variable transformer.
Patent GB-937305-A (GB)
Title: Improvements in or relating to sliding clasp fasteners
IPC: A44B19/40
Filed: 1959-12-11
Abstract: 937,305. Sliding-clasp fasteners. W. E. HEILMANN. Dec. 11, 1959 [Dec. 15, 1958], No. 42183/59. Class 44. [Also in Group V]. A sliding clasp fastener comprises two substantially oval, generally helical coils, formed in a coil-making machine (see Group V) from a filament of synthetic plastic material, e.g. polyamide, each coil being formed on each turn thereof with a stamped coupling element 4 for engaging the coupling elements on the other coil, each coupling element 4 being disposed on a shorter side. of each coil turn which lies perpendicular to the longitudinal axis of the coil. The coils are preferably provided with filler cords 11 and the other shorter side of each coil turn may be formed with parts similar to the elements 4 to provide guide means for the slider of the fastener. The coils are attached to stringer tapes by longitudinally extending parallel rows of stitches, and they may be provided with cover strips, Figs. 9 and 10 (not shown). Specifications 916,602 and 916,603 are referred to.