baber/WOPTO huggingface dataset:
Patent GB-886469-A (GB)
Title: Method of forming threads on the inside wall of a nut
IPC: B21K1/66
Filed: 1960-03-22
Abstract: 886,469. Making nuts. UNITED-CARR FASTENER CORPORATION. March 22, 1960 [April 15, 1959], No. 10196/60. Classes 83 (2) and 83 (4). [Also in Group XXV] A screw thread 4, Fig. 7, is formed in a nut 2 by inserting therein a mandrel 7 having threads 9 on opposite sides and unthreaded opposite portions 10 spaced a shorter distance apart than the threaded sides, forcing the inside wall of the nut against the threaded mandrel sides to form the thread 4, relatively rotating the mandrel and nut to bring the unthreaded portions 10 opposite the threads 4, and withdrawing the mandrel axially from the nut. The nut is pressed from sheet metal, Fig. 1 (not shown), and has a flange 1. It may have a closed end 5 or be open at both ends, Fig. 8 (not shown). The sides are pressed against the mandrel by swaging dies 8.
Patent GB-659336-A (GB)
Title: Improvements in and relating to securing articles to plastic material
IPC: A44B17/00
Filed: 1949-04-14
Abstract: 659,336. Stud and - socket fastenings. UNITED-CARR FASTENER CORPORATION. April 14, 1949, No. 10207. Convention date, April 19, 1948. [Class 44] [Also in Group VII] A metal article 2, e.g. a member of a stud and socket fastening is secured to plastic material 1, e.g. part of a raincoat, by a plastic attaching member 3 having a portion 5 adapted to overlie a flange 7 of the article and being welded to the plastic material by the application of heat. The attaching member before attachment is cup shaped, the fastener member is positioned inside the cups and in one operation the walls of the cup are turned inwardly and the base of the cup is welded to the supporting material by means of a heated press.
Patent GB-548587-A (GB)
Title: Improvements in conveyors
IPC: B65G19/16
Filed: 1941-08-12
Abstract: 548,587. Conveyers. HOWARD, W., and HOWARD, A. M. Aug. 12, 1941, No. 10220. [Class 78 (i)] A conveyer for lumps or granular material comprises a closed conduit having inlet openings 4 and outlet openings 14, a continuous or endless chain, 5, spaced drag plungers 8 secured to the chain and of smaller cross sectional area than the conduit and baffles adjacent the inlet 4 having a part 11 masking that area of the conduit not swept out by the plungers. The baffles may be pressed outwards by excess of material against the resistance of springs 10. Similar baffles 15 may be arranged adjacent the outlet openings 14. The conduit may be circular and the drag plungers of elliptical cross section. The drag plungers may be of greater length than diameter. Several outlets may be arranged along the lower rim of the conveyer.
Patent GB-610261-A (GB)
Title: A new or improved means for preventing the slipping of ladders
IPC: E06C7/50
Filed: 1946-04-03
Abstract: 610,261. Clamps. GILBERT, H. April 3, 1946, No. 10279. [Class 44] [Also in Group X] A clamp 1 clamped to a rain gutter 9, to prevent a ladder 15 from slipping sideways, has - a slotted tongue 10 carrying an L-shaped extension bar 12 (shown dotted) which embraces a side member of the ladder. This bar is screw-threaded where it extends through the slot 11 and carries two nuts 14, one on either side of the tongue 10, by which it may be clamped to the tongue. An L-shaped bracket 16 carried by the rod 12 and having a lug 17 which slides in the slot 11 also bears against the side member of the ladder. Modifications are described in which the clamp engages the pairs of surfaces a, b or a, c of the gutter. In the former, the L-shaped rod 12 is replaced by a hairpin rod which is slidable in a hole in the clamp. In the modification shown in Fig. 7, the bottom jaw 35 of the clamp is hinged at 36 and is actuated by a wing nut 38 threaded on a hinged rod 39. The L-shaped extension bar 45 extends through a hole in a member 42 adapted to slide along the slot 41 and to be clamped in position by a wing nut 44. The jaws may be specially shaped to embrace a U- shaped metal gutter and may bear spikes &c. to prevent slipping. The clamp may extend upwards to provide a stop for the bottom of a roof ladder.
Patent GB-897527-A (GB)
Title: Improvements in or relating to lighting units
Inventor: BEGGS STANLEY SUTTON
IPC: F21V7/04
Filed: 1959-03-25
Abstract: 897,527. Lamps. GENERAL ELECTRIC CO. Ltd. March 9, 1960 [March 25, 1959], No. 10317/59. Class 75(2) A lighting unit comprises a specular parabolic reflector of focal length f and a light source located in a region including the focus of the reflector, wherein the depth of the reflector measured parallel to the reflector axis from any point of its periphery to the tangential plane at the pole of the reflector is in the range of 1¢# to 4# and the light source is such that the length of the source in the direction parallel to the axis of the axis is in the range 1 ¢# to 3# but is less than or not appreciably greater than the maximum depth of the reflector and the maximum width of the source in the direction perpendicular to the axis of the reflector is less than or not greater than 2f, that end of the source situated nearer to the pole of the reflector being not more than “ # distant from the pole. A high pressure mercury vapour discharge lamp 2 has an inner discharge tube of quartz and an outer glass envelope with a coating of fluorescent material on the interior surface. The neck of the lamp projects through an aperture beyond the rear of a specular parabolic reflector 1. The perimeter of the aperture has a flange. A cover glass bearing flutes or prisms may be placed over the reflector.
Patent GB-904248-A (GB)
Title: Improvements in or relating to electromagnetic vibratory equipment
Inventor: METCALF ANTHONY JAMES
IPC: H02K33/00
Filed: 1960-03-23
Abstract: 904,248. Rectifying. GENERAL ELECTRIC CO. Ltd. March 16, 1961 [March 23, 1960], No. 10317/60. Class 38 (2). [Also in Group XXX] In electromagnetic vibratory equipment, e.g. vibratory conveyers and screens, in which a resiliently mounted support is vibrated by electromagnetic means energized from an A.C. source, the energizing current is derived through a semi-conductor controlled rectifier. The circuit may be that disclosed in Specification 904,247. Specification 904,246 also is referred to.
Patent GB-138371-A (GB)
Title: Improvements in and relating to explosives
IPC: C06B31/32
Filed: 1917-07-17
Abstract: Biguanide and guanidine salts are obtained by heating ammonium nitrate and dicyandiamide, the nature of the product depending upon the temperature and duration of the process.
Patent GB-1132532-A (GB)
Title: Anthelmintic compositions
IPC: A61K31/54
Filed: 1966-03-09
Abstract: 1,132,532. Benzimidazole derivatives. MERCK & CO. Ltd. 9 March, 1966 [15 March, 1965], No. 10341/66. Heading C2C. [Also in Division A5] 2 - (41 - Thiazolyl) - benzimidazole - 1 - oxide is prepared by reacting N-(o-nitrophenyl)-thiazole-4-carboxamide with sodium hydrosulphide dihydrate, and is converted into 1-methoxy-2- (4<SP>1</SP>-thiazolyl)-benzimidazole by reaction with methyl iodide in a solution of NaOH in methanol.
Patent GB-806635-A (GB)
Title: New aminopyridazone-(6)-compounds
IPC: C07D237/22
Filed: 1955-04-07
Abstract: The invention comprises pyridazones of the formula <FORM:0806635/IV (b)/1> in which R1 is a phenyl radical, R2 an alkoxy group of at most 5 carbon atoms and R3 an alkylamino or dialkylamino group, the alkyl radicals containing at most 5 carbon atoms.  They may be prepared from 1-phenyl-pyridazone-(6) compounds containing only one of the groups R2 and R3 and a group convertible to whichever of R2 and R3 is not present. For example a halogen atom at position -3 can be replaced by an alkoxy group by reaction with an alcohol or alcoholate, or a hydroxy group at position -3 can be etherified by reaction with a reactive ester of the alcohol, e.g. a sulphuric or hydrohalic acid ester, preferably in presence of an acid-binding agent; or a halogen atom in the 4- or 5-position can be replaced by an alkylamino or dialkylamino group by reaction with an alkylamine or a dialkylamine.  In examples: (1) 1 - phenyl - 3 - chloro - 4 - dimethylaminopyridazone - (6) is refluxed with methanol and sodium to give 1-phenyl-3-methoxy-4-dimethylamino - pyridazone - (6); (2) 1 - phenyl - 3-methoxy - 5 - dimethylamino - pyridazone - (6) is prepared similarly, the reaction being effected in a closed vessel at 120 DEG to 130 DEG  C.; (3) 1-phenyl - 3 - hydroxy - 4 - dimethylamino - pyridazone-(6) (prepared from the 4-chloro compound and dimethylamine) is boiled with dimethyl sulphate, potassium hydroxide and methanol to give the product of (1); and (4) 1-phenyl-3-methoxy - 5 - chloro - pyridazone - (6) (prepared from the 3-hydroxy compound and dimethyl sulphate) is heated in a closed tube with alcoholic dimethylamine to give the product of (2).ALSO:A pharmaceutical preparation for enteral, parenteral or local use comprises a pyridazone-(6) compound of the formula <FORM:0806635/VI/1> (wherein R1 is a phenyl radical, R2 is an alkoxy group of at most 5 carbon atoms and R3 an alkylamino or dialkylamino group, the alkyl radicals containing at most 5 carbon atoms) or a salt thereof in admixture with a pharmaceutical carrier.  Suitable carriers include gelatine, lactose, starch, magnesium stearate, talc, vegetable oils, benzyl alcohols, gums, polyalkylene glycols, petroleum jelly and cholesterol and the preparations can be made up, for example, as tablets, dragees, solutions, suspensions or emulsions.  They may also contain preservatives, stabilizing, wetting or emulsifying agents, salts for variation of osmotic pressure, buffer substances or other substances of therapeutic value.
Patent GB-384524-A (GB)
Title: Improvements in or relating to the fixing of revolving-barrel locks
IPC: E05B9/08
Filed: 1932-04-11
Abstract: 384,524. Locks. OHLIGER, K., 4, Elberfelderstrasse, and KUPPERSBUSCH KOMMANDIT-GES., A., both in Velbert, Rhineland, Germany. April 11, 1932, No. 10366. [Class 44.] To attach revolving barrel locks 1, 5 to a mortise lock 4, pins 2 secured in the lock 1 traverse the lock 4 to enter bores 6 in the lock 5 and are engaged by a spring-pressed cross-pin 7. The lock can be assembled only when a recess 12 in the barrel 10 is below a projection 11 on the pin 7. If the lock 1 is omitted, the pins 2 may be joined by a flat plate or may be formed in one piece of U-shape.
Patent GB-936269-A (GB)
Title: Apparatus for interrupting a stream of sheets
IPC: B65H33/12
Filed: 1962-03-19
Abstract: 936,269. Delivering sheets; feeding sheets. TIME Inc. March 19, 1962 [April 3, 1961], No. 10370/62. Class 100 (1). [Also in Group XXX] In conveying apparatus comprising a set of parallel conveyer belts 12 for moving a series of sheets 49, means for interrupting the movement of the series comprises a plurality of fingers 19 aligned with the spaces between the belts 12 and rigidly fixed to a common shaft 21 lying underneath the upper run of the belts, a stop plate 33 overlying the upper run of the belts opposite the fingers 19 and attached to support arms 28 which are freely rotatable around the shaft 21 for a limited angular distance, the stop plate being biased by spring or other means towards the lower of its limiting positions, and means, e.g. a pneumatic cylinder, for rotating the shaft 21 whereby the fingers 19 can move to engage the stop plate 33 and drive it to its upper limiting position, determined by a pair of stops 42. The stream of sheets is nipped between the fingers 19 and the plate 33, as shown, and raised out of the plane of its original path of travel. The upper part of the stream adjacent to the obstruction is confined by a pair of belts 51 covered with polytetrafluorethylene, which are anchored at 53 and pass between the sheets 49 and the plate 33. Set screws 56 are used to adjust the position assumed by the belts 51 when movement of the sheets along the conveyer belts is interrupted. In order to support the sheets that are nipped between the fingers and the plate 33 a pair of support wires 46 is pivotally mounted on the ends of the outer pair of fingers 19, the opposite ends of the wires being supported on a pair of plates 48 over which they are free to slide. Interruption of the stream of sheets may be occasioned by the occurrence of a jam in the moving stream, by the need to divert the stream from one series of conveyer belts to another, or by any other operation requiring a gap in the stream.
Patent GB-978369-A (GB)
Title: Discriminator and pulse forming circuit
IPC: H04Q3/52
Filed: 1963-03-15
Abstract: 978,369. Pulse discriminating circuits ; automatic exchange systems. STANDARD TELEPHONES & CABLES Ltd. March 15, 1963 [March 22, 1962], No. 10373/63. Headings H3T and H4K. A circuit which responds to pulses in excess of a predetermined amplitude and at the same time discriminating between such pulses and random fluctuations in D.C. voltage level, comprises a class-A common-emitter transistor amplifier provided with an emitter resistor by-passed by a capacitor presenting a low impedance to wanted pulses but not to random fluctuations in level and a transistor switch coupled to the output of the amplifier and responsive to an output therefrom in excess of a predetermined amplitude. The figure shows the circuit employed for distinguishing between dialling pulses and random level variations in a telephone system. Dial pulses from contacts 21 are passed through transformer 22 having a saturable core whereby the output-pulse amplitude is limited. The pulses then pass through a PNPN-diode switching network which functions in the manner described in Specification 978,370 to complete a switch path from one end-marked point through the network to another. The pulses, together with speech currents and random fluctuations in D.C. level introduced by the switching network 32, are then applied through a first discriminator 40 comprising a capacitor 48 which by-passes the speech currents to earth to a class A amplifier 41. This amplifier comprises an R.C. brazing network in the emitter circuit of transistor 50 having a time constant such that random D.C. fluctuations are suppressed while dialling pulses are amplified. The amplifier output is applied to a second discriminator which responds to pulses in excess of a predetermined amplitude to actuate transistor switch 43. The switch controls a pulse former 31 producing an output pulse of predetermined length in response to each actuation of switch 43.
Patent GB-926666-A (GB)
Title: Improvements in or relating to containers for storing and discharging granular and powdery materials
IPC: B65D88/66
Filed: 1960-03-24
Abstract: 926,666. Agitators for hoppers. L. A. PETERSON. March 16, 1961 [March 24, 1960], No. 10469/60. Class 78 (1). Powder from shoot 14 falls into hopper 15 and is discharged through the bottom thereof, the discharge being assisted by an agitator. The agitator is in two parts, being formed on the one hand by a unit comprising linings 7 and 8 and on the other hand by a unit comprising linings 9 and 10. Each unit is provided with lugs 12 projecting through slot formed in the hopper walls and the lugs are connected by rods 16, 17, carried by a driven shaft 15 so that the rotation of the shaft causes the two units to reciprocate out of phase so as to agitate the powder in the hopper and to assist its discharge.
Patent GB-1097312-A (GB)
Title: Process for obtaining semi-conductors based on polymers
IPC: C08F20/00
Filed: 1965-03-12
Abstract: Polyacrylonitrile containing tin and having semi-conducting properties is prepared by polymerizing acrylonitrile at room temperature under the action of U.V. radiation in an aqueous solution containing at least 58% by weight of stannic chloride. The product can be isolated by precipitation with water.  It is possible to carry out the process continuously.
Patent GB-893441-A (GB)
Title: Improvements relating to methods of growing crystals from the vapour phase
Inventor: FOCHS PETER DEREK
IPC: H01L21/00
Filed: 1959-03-26
Abstract: <PICT:0893441/III/1> Vapour produced from a heated solid at one end of an elongated chamber is condensed first at the opposite cooled end as a polycrystalline deposit, the temperature conditions thereafter being varied so that the condensation front moves in a direction from the cooled to the heated end of the chamber and single crystals are formed.  The chamber may be horizontal or vertical. Substances specified are cadmium and zinc selenide and sulphide. Cadmium sulphide may be introduced together with hydrogen sulphide.  Hydrogen sulphide or argon may be passed through the chamber towards the cooled end.  One end of the chamber may be initially at 1000-1200 DEG C. and the other end at room temperature. As shown, solid 3 is heated by spaced heating elements 5 and 6 in a sealed silica tube 1 and is condensed first as a polycrystalline deposit 7.  The temperature conditions may thereafter be varied by (a) decreasing the temperature of heating element 6 and maintaining the temperature of heating element 5 constant, (b) increasing the temperature of heating element 5 and maintaining the temperature of heating element 6 constant, or (c) both decreasing the temperature of heating element 6 and increasing the temperature of element 5.  Method (a) tends to produce long rods of hexagonal cross-section, while method (b) tends to produce rectangular plates.
Patent GB-478339-A (GB)
Title: Stencil sheets for manifolding purposes
IPC: B41N1/24
Filed: 1936-04-14
Abstract: 478,339. Stencil sheets. WAGNER, G., [Firm of]. April 14, 1936, No. 10696. Void. Convention date, May 22, 1935. [Class 100 (ii)] In a stencil sheet the backing of Japanese paper is dyed or thinly impregnated, in the vat or after finishing, or is impregnated with a stencil coating material so thinly that only the individual fibres are enveloped and it remains permeable to hectographic ink, and is subsequently given a coating of stencil material differing in colour from the impregnation.
Patent GB-215737-A (GB)
Title: Method of extracting vanadium
IPC: C22B34/22
Filed: 1924-04-30
Abstract: Vanadium is dissolved from vanadium ores containing copper lead zinc and the like by means of sulphuric acid together with sulphurous acid or a sulphite.  The quantity of sulphurous acid employed is at least 5 parts for 100 parts of ore.
Patent GB-591091-A (GB)
Title: Improvements in or relating to electro-magnetic clutches and brakes
IPC: F16D48/06
Filed: 1945-04-27
Abstract: 591,091. Clutches. SOC. D'APPLICATION DES BREVETS COTAL. April 27, 1945, No. 10704. Convention date, Jan. 29, 1943. [Class 80 (ii)] [Also in Group XXXIV] In order to provide for a gradual engagement, the surfaces of the contacting driving and driven members 2, 5 of an electro-magnetic friction clutch are provided respectively with concentric rings 6, 7, 8 of a soft metal, such as bronze, and rings 9, 10,- 11 of a hard metal, such as nitrided steel. As shown the driven disc 5 carries the magnet coils 3, 4 which are fed through slip rings 15, 16, and is movable axially for engagement with, or dis-engagement from, the disc 2. A spring 14 tends to keep the discs in engagement and an auxiliary stationary magnet 20 is provided for completely disengaging the clutch and holding the disc 5. A sliding contact 24 serves for controlling the coil 21 of magnet 20 and also rheostats 25, 26 in the circuit of the coils 3, 4 for gradually increasing the current to the magnet coils for the clutch engagement.
Patent GB-107900-A (GB)
IPC: B21F3/00
Abstract: 107,900. Timmis, E. W. Oct. 31, 1916. Helical springs are formed by twisting single strands axially and forming these into a spiral compound rod or tube and rendering this homogeneous by welding or rolling prior to forming the spring.
Patent GB-898245-A (GB)
Title: Improvements in apparatus for grinding or turning
Inventor: HAUTENNE GEORGES CHARLES ALBER
IPC: B24B5/35
Filed: 1961-03-24
Abstract: 898,245. Lathes. TRUCOT ENGINEERING CO. Ltd. March 24, 1961, No. 10799/61. Addition to 807,378. Class 83 (3). [Also in Group XXIII] In the roller-turning apparatus described in the parent Specification a presser roller D<SP>6</SP> mounted between arms D<SP>7</SP> which pivot about the spindle ends of the driving roller D<SP>4</SP>, is provided to maintain alignment of the work roller D<SP>3</SP> during turning. A spacing rod d<SP>8</SP> is fitted between the ends of the arms D<SP>7</SP> remote from the bearings of the presser roller D<SP>4</SP>; depending weights d<SP>7</SP> attached to each arm apply the required pressure between the rollers D<SP>6</SP> and D<SP>3</SP>.
Patent GB-108084-A (GB)
IPC: F27B14/08
Abstract: 108,084. Hall, I. Oct. 31, 1916. Crucible furnaces.-The preheater of a melting furnace is constructed with a lining composed ot two concentric annular portions b, c integrally connected together with a space between them, and preferably made in sections interengaging as shown, and enclosed in a metal casing h. The products of combustion pass through the annular space.
Patent GB-1374726-A (GB)
Title: Electrolytic method of removing mercury from water
IPC: C25C1/16
Filed: 1973-03-06
Abstract: 1374726 Removing metal ions from solution ROCKWELL INTERNATIONAL CORP 6 March 1973 [31 March 1972] 10875/73 Heading C7B A method of removing mercury ions from an aqueous solution comprises passing the solution through a bed of particles each having a zinc surface; electro-depositing the metal ions on to the particles then separating the metal from the particles. The particles may be solid or hollow metal, glass or plastics. The active layer may be Zn. The water passes through inlet 8, through fluidized bed 11. The cathode 17 comprises a central rod 17 having axial rods 18 made of Zn plated steel. A porous plastics separator 15 divides the particles from the stainless steel anode 14. The particles may be passed to a separate cell having a fluidized bed where the metal is deplated and the active surface renewed.
Patent GB-766671-A (GB)
Title: Improvements in or relating to semi-conductor materials
Inventor: BLAKEMORE JOHN SYDNEY
IPC: H01L21/225
Filed: 1954-04-14
Abstract: A semiconductor material comprises a ternary alloy of a mixture of two of the intermetallic compounds AlSb, Gasb, InSb which is used in semiconductor devices (see Group XXXVI) and in infra-red filters (see Group XX).  The following alloys are described:  50 atomic per cent GaSb : 50 atomic per cent InSb; 75 atomic per cent GaSb : 25 atomic per cent InSb; 50 atomic per cent AlSb : 50 atomic per cent InSb. Traces of Se or Te may be added to give N type conductivity and of Zn or Cd to give P type conductivity.  The latter may be introduced into the alloy by diffusion from an alloy of 75 per cent In with 25 per cent Zn or Cd if the alloy contains In.
Patent GB-637186-A (GB)
Title: Improvements in or relating to methods of drying and apparatus therefor
IPC: B23K35/40
Filed: 1947-04-24
Abstract: 637,186. Drying welding rods. WELDING SUPPLIES, Ltd. April 24, 1947, No. 11047. Convention date, April 25, 1946. [Class 34(ii)] Flux coated welding rods are dried by heat supplied through the core, the rods being heated by means of radiant heat supplied to the exposed metal at their ends. In the apparatus shown, a chamber 1 has one end detachable and tracks 12 for a truck 14 upon which the welding rods are piled. In the chamber holders 5 carry radiators 6, each consisting of an electric heater and a reflector. Behind the radiators are suspended insulating plates 9 and an insulating plate 11 is suspended above. The chamber is connected to a vacuum pump (not shown) through conduit 15 and has a supply conduit 17 connected to the atmosphere or a source of inert gas.