baber/WOPTO huggingface dataset:
Patent GB-1276360-A (GB)
Title: Preparation and uses of thorium acid arsenate
IPC: C01G28/00
Filed: 1969-08-05
Abstract: 1276360 Thorium acid arsenate; separating lithium salts COMITATO NAZIONALE PER L'ENERGIA NUCLEARE and CONSIGLIO NAZIONALE DELLE RICHERCHE 5 Aug 1969 [20 Aug 1968] 39203/69 Heading C1A Thorium acid arsenate is prepared by refluxing, or autoclaving above 100‹ C., a solution of 2-4 M arsenic acid and 0À1 to 1 M thorium salt having a ratio arsenic acid to thorium salt of from 2-20 : 1, until thorium acid arsenate is formed. This process usually takes from 2 to 10 days and, as a result of its extremely compact crystal structure, the product is highly selective as an ion exchanger for Li<SP>+</SP>, which replaces H<SP>+</SP> in the molecule to form thorium lithium arsenate. This selective ion exchange property is utilized in the concentration and purification of lithium ions from solutions, possibly dilute solutions, containing other anions.
Patent GB-1464609-A (GB)
Title: Rotary rock bits
IPC: B22F3/26
Filed: 1974-09-09
Abstract: 1464609 Making sintered infiltrated bearings DRESSER INDUSTRIES Inc 9 Sept 1974 [10 Sept 1973] 39272/74 Heading C7D [Also in Division E1] Sintered ferrous bearings infiltrated with an antigalling material used in rotary rock bits are made by pressing at 35-40 t.s.i. a powder mixture of low carbon Ni steel or stainless steel and sufficient graphite to give 0À04-1À5%C. The compact is sintered at 2050‹F for 40 mins. to a density of 50-95% theoretical and then infiltrated with 85% Ag-15% Mn alloy at 2050‹F. The infiltrated compact is then case hardened by pack carburizing at 1700‹F for 12 hours, heating to 1470‹F for 1¢ hours and oil quenched.
Patent GB-1533765-A (GB)
Title: Thermal reactor for a lean mixture operated internal combustion engine
IPC: F01N3/26
Filed: 1976-09-22
Abstract: 1533765 Afterburners for internal combustion engines NISSAN MOTOR CO Ltd 22 Sept 1976 [22 Sept 1975] 39332/76 Heading F4B In a torch-type internal combustion engine, an after burner connected to the exhaust gas outlets is such that the residence type of the exhaust gases is greater than 40 milliseconds when the engine is running at about 1500 r.p.m. The cylinders are connected in pairs to exhaust gas passages 68, 70 projecting into the inner chamber 66 of a reactor having an outer chamber 62 formed by a liner insulated from and carried by an outer casing 54 formed in two halves joined by longitudinal flanges. In a modification, one exhaust gas passage liner forms a third control reactor chamber to which the other exhaust gas inlet is connected (Fig. 5).
Patent GB-1178290-A (GB)
Title: Method of Dressing Foodstuffs as well as Container and Foodstuff Package for carrying out the Method.
Inventor: LOEHNERT WILLI
IPC: A47J36/38
Filed: 1967-08-29
Abstract: 1,178,290. Food packages; bags. W. LÍHNERT. 29 Aug., 1967 [29 Aug., 1966], No. 39389/67. Headings B8C and B8K. [Also in Divisions A2 and E2] In the dressing (boiling, simmering, stewing) of foodstuffs in a closed and substantially airtight container or envelope consisting at least partially of a plastics foil or being sealed by the foil, there is used a foil of such nature and thickness that at the dressing temperature it is aroma-tight but sufficiently pervious to steam so as to avoid any bursting or excessive expansion of the foil. The foil may be made of polyterephthalic acid ester, e.g. 0À02 mm. thick polyterephthalic acid ester foil having a 0À075 mm. polyethylene coating, polyamide, vinyl polymer, high- and low-pressure polyethylene, polypropylene or polyester, and should be between 0À02 and 0À1 mm. in thickness. It is stated that foils on a cellulose basis generally cannot be used because of their sensitivity to water. The foil may enwrap its contents tightly without any enclosed volume of air and knife pleats. Broadly, the foil can be sealed by welding, cementing, folding and clamping, tying-off with hemp twine or knotting. An edge reinforcement 11, Fig. 5, of foil or cardboard may be affixed to the envelope 10 to facilitate opening and subsequent sealing by a clamp. Bags possessing a tube-shaped neck which can be sealed through knotting, are manufactured by welding with double seams, a foil tube laid flat or two foil webs laid one on top of the other, along the indicated lines 9, Fig. 4, and cutting up or punching out between the seams. The dressing temperature may be provided by a bath of boiling water, air heating, e.g. in a kitchen oven or over a hearth plate, infra-red rays or high-frequency heating. Foodstuffs to be dressed in the container &c. include sauerkraut in water, trout in vinegar, vinegarwater, soup powder together with water for rehydration, also meat and green vegetables. They can in general be stored in the deepfrozen state prior to dressing. A container holding soup powder can be opened for the addition of reconstituting water and thereafter sealed by a clamp for the dressing (reconstitution).
Patent GB-1055969-A (GB)
Title: The mounting of press tools
Inventor: BEARD JACK HERBERT
IPC: B21J13/03
Filed: 1963-10-07
Abstract: 1,055,969. Press tools. DAVY & UNITED ENGINEERING CO. Ltd. Oct. 5, 1964 [Oct. 7, 1963], No. 39396/63. Heading B3H. [Also in Division E2] A tool 14 is secured to the platen 12 of a press, such as a forging press, by resilient means 21 which are releasable by means 42 on the press head 41. A tool holder 13 is secured to the platen 12 which has a curved surface 17 engaged by a corresponding surface on the ram 16 of a main cylinder 15. Tool 14 is held in its tool holder 13 by cotters 23 passing through transverse slots in clamping rods 21 biased upwardly by springs 26. The upper ends 24 of the rods 21 are engaged by a bar 31 fitting within a slot 25 in the platen 12. To release the tool 14 the bar 31 is pressed downwardly by rams 42 working in hydraulic cylinders 40; the cotters 23 are then withdrawn. The bar 31 may be replaced by a pair of pivoted levers.
Patent GB-1450638-A (GB)
Title: Extraction process
IPC: C13B10/14
Filed: 1974-09-10
Abstract: 1450638 Extraction of sugar GREAT WESTERN SUGAR CO 10 Sept 1974 [16 Nov 1973] 39409/74 Heading C6B Sugar diffusion from sugar-containing plant tissues is stimulated by contacting the plant tissues with diffusion water in the presence of ethylene. Sugar is recovered from sugar beet tissue by passing sugar beet cossettes through a diffuser counter-current to diffusion water, and introducing ethylene into the diffuser so that the cossettes are contacted by the ethylene, and recovering sugar from the diffusion water. Preferably ethylene gas is bubbled into the diffusion water. The plant tissues may be pre-treated with ethylene prior to contact with the diffusion water and the diffusion water may be at a temperature of not more than 80C. Aqueous compounds of ethylene, ethylene analogues and precursors, e.g. N-amino-#-alanine, #-hydroxy-ethylhydrazine, sodium monoethylsulphate, methionine and 2-chloroethylphosphonic acid, may be used instead of ethylene provided that ethylene is liberated on being subjected to the conditions under which the plant tissue is contacted with diffusion water.
Patent GB-1453179-A (GB)
Title: Switch in an electrical appliance
IPC: F21V23/04
Filed: 1974-09-10
Abstract: 1453179 Electric battery lamps TING SHEN YEN 10 Sept 1974 39500/74 Heading F4R [Also in Division H1] A switch in an electrical appliance, such as a hand torch 11, comprises a casing 25 having spaced end walls 28, 29; a leaf spring blade 41 forming the movable contact is pivoted intermediate its ends in said casing to form first and second spring portions and has spaced protuberances 42, 43 which engage said end walls 28, 29, the distance between said end walls 28, 29 being less than the distance between said protuberances which causes mutually-opposed flexure of said spring portions, and two pivoted actuating members 38, 39 which in use respectively flex said first spring portion with a snap action from a switch-closed position to a switchopen position and vice versa. As shown the switch casing 25 is of plastics material and is attached to a plastics torch case 12 by rivets in four holes 27. Blade 41 is pivoted by a platform member 46 having trunnions 47 journalled in apertures 36 while members 38, 39 have trunnions 40 pivoted in apertures 35 and 37, respectively. A tongue 21 on a conductive strip 15 is in permanent engagement with end 41a of blade 41 and an auxiliary strip 18, connected to strip 14 by a rivet 19, forms the fixed contact of the switch. A resilient contact 48 may be depressed to engage a forward extension 41b of blade 41 to form a retractive flashing switch when the main switch is in the open condition. The torch and switches are enclosed in a waterproof flexible covering (50, Fig. 1, not shown).
Patent GB-849919-A (GB)
Title: Methods of weaving and looms
IPC: D03D47/24
Filed: 1956-12-31
Abstract: 849,919. Looms. SULZER FRERES S.A. Dec. 31, 1956 [Dec. 29, 1955], No. 39695/56. Drawings to Specification. Class 142(2). In a loom wherein the weft is inserted into the shed by gripper shuttles and means are provided for drawing back the weft thread from the entry side of the shed after the gripper shuttle has left the shed, a stop motion feeler explores for the weft at the exit side of the shed and the weft drawing means and the feeler are so timed that the feeler is rendered operative after the start of the weft withdrawing movement. The shuttle is returned a small distance towards the shed before the feeler is actuated. A stop motion as described in Specification 823,872 may be provided.
Patent GB-1055267-A (GB)
Title: Improvements in and relating to liquid drop forming apparatus
Inventor: ROSIN SEBASTIAN NICHOLAS
IPC: A61J3/06
Filed: 1962-10-19
Abstract: 1,055,267. Drop-delivering apparatus. ROSIN ENGINEERING CO. Ltd. Oct.10, 1963 [Oct. 19, 1962], No. 39715/62. Heading B8N. A drop delivering apparatus comprises a nozzle 3 having an open-ended passageway 4 adapted to receive liquid from a supply container 1 via ports 8, and plunger means 10 for applying pulsations to the liquid flowing through the passageway, each pulsation decelerating the liquid in the passageway in order to cause a drop to be released from the open end. As shown in Fig. 7 the drop delivering apparatus is applied to a machine for forming pastilles, the plunger 10 being reciprocated by means of rods 23, 26 and an eccentric 27 driven, through a gearbox 29, by a motor 30. The container may be provided with a heating jacket 31 and the drops fall on to a steel conveyer band which is cooled by water sprays 33. The ports may be formed in the wall of the nozzle as shown in Fig. 1 and the plunger reciprocated internally thereof or the plunger may be hollow and reciprocate externally, Fig. 2 (not shown); in the latter construction additional ports may be formed in the plunger or the ports may be only in the plunger. In an alternative arrangement the end of the plunger may be formed with a disc adapted to co-operate with the inner open end of the passageway or formed with a conical-shaped member adapted to enter the open end. The nozzle may be arranged horizontally instead of vertically as shown.
Patent GB-1191224-A (GB)
Title: Construction and cooling arrangement for electrodes in an electron discharge device
IPC: H01J19/42
Filed: 1968-08-20
Abstract: 1,191,224. Thermionic valves. GENERAL ELECTRIC CO. 20 Aug., 1968 [28 Sept., 1967], No. 39770/68. Heading H1D. A high frequency electron discharge device has a planar anode, an opposed circular cathode 2 with grooves 22 formed in the surface, a control electrode 4 comprising a metal ring 20 encircling the cathode, a number of bars 21 supported by ring 20 and extending into the cathode grooves and a number of grid wires 23 extending across ring 20 parallel to the bars 21, and an annular insulator 16 for accurately supporting both the cathode 2 and a second metal ring 12 secured to ring 20, the ring 12 acting as a heat sink and being slidable on the insulator 16. The control electrode 4, which may also have a number of thicker wires 24 extending transversely of grid wires 23 and secured to ring 20, is constructed of high thermal conductivity metal to ensure good heat dissipation from the centre of the grid. Grid ring 12 is spaced from the anode by a ceramic cylinder (11), Fig. 1 (not shown), and two annular metal rings 13, one secured to ring 12 and the other to cylinder 11, and which are secured together at 15 by a vacuum-tight joint, with a thin metal shim 14 separating their free ends, allows relative sliding movement between rings 13, such that grid ring 12 is free to expand along the top surface of insulator 16. The lower surface of insulator 16 is sealed to a resilient ring 18 which is also sealed to ring 12 to complete the vacuum-tight joint. In a modification, Figs. 3-6 (not shown), grid bars 21 and grid rings 20, 12 have a laminated structure with conduits passing therethrough to allow the circulation of a coolant, e.g. air, inert gas or water. A number of tapped holes 25 may be provided in grid ring 12 to facilitate connection to an external circuit, e.g. part of a cavity resonator, which increases the heat sink capacity.
Patent GB-1060265-A (GB)
Title: Improvements relating to radiating apparatus
Inventor: LAMBERT GEORGE KEMPTON
IPC: F21V9/02
Filed: 1964-09-30
Abstract: 1,060,265. Radiating apparatus. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 21, 1965 [Sept. 30, 1964], No. 39804/64. Heading F4R. [Also in Division G2] For simulating solar radiation, e.g. in testing artificial satellites, a group of radiation sources 1, 1<SP>1</SP>, for example, arc lamps 10 in reflectors 11, associated with optical systems 2, 2<SP>1</SP> are focused directly on a plane as interfitting shapes which combine to build up a composite radiation area. The shapes may be triangles, squares or hexagons and may be produced by shaped, e.g. hexagonal lenses 22, 22<SP>1</SP> or lenses with hexagonal masks. Light which would fall outside the area to be irradiated may be stopped off by screening part of the peripheral lenses of the groups by masks 23, reflectors 24 or prisms being provided to redirect the light through the unmasked part of the lens.
Patent GB-1144424-A (GB)
Title: Regulating device for controlling molten metal flow
IPC: B22D41/20
Filed: 1967-08-31
Abstract: 1,144,424. Stopper rod actuating devices. SOUTHWIRE CO. 31 Aug., 1967 [8 Sept., 1966], No. 39818/67. Heading F4B. A stopper rod 11 for controlling the flow of molten metal 20 from a vessel 15 through a pouring spout 18 is linked to a rod 28 by means 32 slidably enclosed within a cylindrical sleeve 12. The linking means 32 constructed from heat insulating ceramic material comprises a cylinder 35 interconnecting upper and lower discs 33, 34 respectively. The rods 11, 28 are screwed into these discs facilitating replacement when necessary. Vertical movement of the stopper rod 11 is effected by applying pneumatic or hydraulic pressure to the cylinder 54 of an actuator unit 52, wherein the plunger 51 is linked to the rod 28 which moves in guide sleeves 41, 42 via a lever 48 pivoted about a shaft 60.
Patent GB-1167298-A (GB)
Title: Leaf Spring Vehicle Suspension
IPC: B60G11/12
Filed: 1968-08-21
Abstract: 1,167,298. Leaf spring vehicle suspension. FORD MOTOR CO. Ltd. 21 Aug., 1968 [8 Sept., 1967], No. 39887/68. Heading B7D. [Also in Division F2] To provide increasing spring rate with increasing load a vehicle suspension comprises a leaf spring 14, the forward end of which is pivotally connected to the vehicle chassis 10, the rear end being connected to a shackle 52 to which is connected a compensating shackle 33 which is pivotally mounted on the vehicle chassis and has an extending arm 43 which is caused to bear against the upper side of the spring at a point removed from its end with increasing force as the suspension load is increased. As shown, the compensating shackle 33 is pivoted to a bracket 32 and has a channel-shaped crosssection, with an opening (42) through which the spring 14 passes. A sheet metal spring member 44 maintains contact with the leaf spring to avoid rattling and is secured to the extending arm 43 and engages with a sheet metal member 46 positioned on the main leaf 28 by the spring clip 26. The shackles are arranged so that the compensating shackle 33 is pivoted to the chassis, and to the second shackle at points below the end of the spring and between the end of the spring and the point at which the arm 43 bears on the spring.
Patent GB-964498-A (GB)
Title: Improvements in or relating to gib key extractors
IPC: B25B27/04
Filed: 1960-11-23
Abstract: 964,498. Extracting gib keys. F. EDWARDS. Nov. 23, 1960, No. 40285/60. Heading B4C. A gib key extractor consists of a U-shaped member 1 which is provided on the inner faces of the limbs 2, 3 with guide 8, 9 in which engages a flat rectangular member 10 provided with a screw-threaded portion 11 which engages a hole 12 in the end of the member 1. A distance sleeve 13 and nut 15 are mounted on the screwthreaded portion 11. The rectangular member 10 has a square hole 17 which is placed over the head of the key. For extracting a thin gib key a plate 18 is welded to the side of the body to prevent the key from bending.
Patent GB-1359663-A (GB)
Title: Production of moulded hollow plastics articles
IPC: B65D1/02
Filed: 1971-08-27
Abstract: 1359663 Blow-moulding nitrile polymer compositions PHILLIPS PETROLEUM CO 27 Aug 1971 [14 Jan 1971] 40336/71 Heading B5A [Also in Division C3] A method of moulding bottles and other hollow articles which comprises bi-axially expanding a tubular preform of a thermoplastic material at 40 to 2000‹ F. below the homogeneous melt temperature thereof to achieve longitudinal and circumferential orientation, the material being a copolymer obtained by copolymerizing an unsaturated nitrile (at least 50%) and an unsaturated ester in the presence of up to 40% of a nitrile rubber derived from at least 50% of butadiene or isoprene and an unsaturated nitrile. The technique of extruding a continuous length of tubing, severing the tubing to form open-ended parisons, heating the parisons to the required temperature and stretching longitudinally, pinching one end thereof shut, and expanding the articles by means of an inflating fluid, is employed.
Patent GB-877763-A (GB)
Title: Improvements relating to covers for gas cock fittings
Inventor: BROOKES GEORGE
IPC: F24C3/12
Filed: 1957-12-31
Abstract: 877,763. Valve accessories. METERS Ltd. Nov. 21, 1958 [Dec. 31, 1957], No. 40391/57. Class 135. A cover for a gas cock of the kind having inlet and outlet connections e, k respectively, and an operating hand lever g, comprises a case a open at the back and having two apertures band d for the passage of the respective connections to the cock, and a slot f through which the lever can pass and in which it can move to operate the cock, with means such as spring clips i for securing the cover to the cock. The lever g is spring-biased to engage one side of the slot f so that it moves into a retaining recess h of the slot in closed position (Fig. 4). The cock may be secured to a skirting board by brackets j. Specification 799,506 is referred to.
Patent GB-1526394-A (GB)
Title: Manufacture of filter-tipped cigarettes
IPC: A24C5/47
Filed: 1974-09-17
Abstract: 1526394 Filter attachment machine MOLINS Ltd 17 Sept 1975 [17 Sept 1974] 40449/74 Heading A2C In the conveying of rods e.g. cigarette and filter assemblies in a filter attachment machine, the absence of a rod in a groove 16A of a drum conveyor 16 is detected by providing a chamber 22 extending over part of the drums circumference and communicating with the grooves 16A by ports 16B, positive or negative air pressure being supplied to the chamber 22 and changes in such pressure caused by the absence of a rod being detected by a transducer 30. The chamber 22 comprises a recess in a sleeve valve 18, the valve further including slots 18A axially spaced from the chamber 22 which apply suction to secure the rods to the drum. The transducer 30 is connected to a logic circuit 32 which controls the operation of the machine.
Patent GB-967773-A (GB)
Title: Multiplex telegraphy system
IPC: H04L5/22
Filed: 1962-10-25
Abstract: 967,773. Telegraphy. C.I.T. COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS. Oct. 25, 1962 [Oct. 25, 1961], No. 40499/62. Heading H4P. The invention concerns the receiver of a system in which a number of start-stop channels is time-division multiplexed on to a rhythmic channel and in which Idle and Idle signals are used to ensure that the receiver distributer is in phase with the transmitter distributer, or to correct any small phase slip. In the embodiment described, five channels V1-V5 are multiplexed on a voice-frequency channel in the cyclic form V1-V2-V1-V3- V1-V4-V1-V5- ... Idle a and Idle # signals are distinguished from other code combinations by omitting to transmit any frequency during one bit period and from each other by the polarity of a particular bit. The remaining three bits may be used to indicate over which channel the signal is being sent. Signals arriving over the multiplex channel pass via units 2, 3, 5, Fig. 2, to store 8 and are subsequently passed via gates 121-126, 224-226 &c., to stores 12, 22 &c. associated with receiver output channels V1-V5. Start and stop bits are added at these points. Time-base 6 feeds both store 8 and unit 7 which controls the enabling of gates 121-126 &c. Idle time signals are detected at 4 and act upon units 9, 10, to adjust time-base 6 to the correct phase. In the present embodiment only those Idle time signals occurring in channels V1 or V2 can cause adjustment. Fig. 3 shows a part of Fig. 2 in greater detail. Here, store 8 comprises triggers 81-85 which are set by the received multiplexed signals. Time-base 6 is formed of triggers 61-67 fed from generator 60, and these triggers are additionally controlled by the output of unit 10. When an Idle time signal is detected a signal appears at input 4 which feeds a potential to triggers 62-64 which are thereby set (or confirmed) in states corresponding to the time-centre of the fifth bit of the signal. Idle time signals relevant to channel V1 have their first two bits negative, so a signal appears at point 101 to set or confirm trigger 65 in a state corresponding to the time of channel V1. Idle time signals relevant to channel V2 have their first two bits positive and thereby set triggers 65-67. Unit 7 provides signals in response to the trigger settings to enable the set of gates for the relevant start-stop channel output. Idle time signals in other channels have their first bits of opposite polarity and therefore do not affect any of triggers 65-67. The Baud speed of the transmission channel is made faster than that of the fastest start-stop channel-68.6 Bd. in the embodiment described. Because of this, one character period is occassionally gained, and during this period an Idle time signal is transmitted. Thus synchronization correction takes place even if all the start-stop channels are operating at their maximum rate.
Patent GB-1192072-A (GB)
Title: Composite Electrical Heater Element
IPC: H05B3/48
Filed: 1967-09-05
Abstract: 1,192,072. Metal sheathed heating element. PHILIPS' GLOEILAMPENFABRIEKEN N.V 5 Sept., 1967 [7 Sept., 1966], No. 40552/67. Heading H5H. A metal sheathed, mineral insulated, electric heater comprises a resistive core 1 electrically connected to a "cold" cylindrical terminal 2 by being secured by pressing, welding, or soldering in an annular hole in the terminal 2, the remaining part of the terminal having a solid cross-section and being completely composed of good conducting metal. The core may comprise a resistive tube of refractory steel or nickel-chrome alloy which may be empty (Fig. 4, not shown), filled with nickel chrome alloy, filled with alternate plugs of conducting material and resistive material (Fig. 3, not shown), or filled with resistance material, e.g. magnesium oxide or aluminium oxide. If empty the tube is flattened centrally during subsequent drawing operations. The terminal members 2 may be made of copper, silver, gold, or nickel. The mineral insulation may be magnesium oxide, beryllium oxide, aluminium oxide or zirconium oxide. The heater having alternate resistive and conductive sections provides local hot parts.