baber/WOPTO huggingface dataset:
Patent GB-1236923-A (GB)
Title: Improvements in aircraft landing gear
Inventor: COSTIGAN FRANCIS JOSEPH
IPC: B64C25/34
Filed: 1967-08-24
Abstract: 1,236,923. Aircraft landing gear. HAWKER SIDDELEY DYNAMICS Ltd. 16 Aug., 1968 [24 Aug., 1967], No. 39028/67. Heading B7G. An aircraft landing gear comprises tandem pairs of wheels of which at least one is adapted to castor about a vertical axis in front of the wheel axle. Two pairs of wheels 2, 4 are mounted on respective axles 6, 26. Axle 6 of the rear wheels is carried by a trunnion 8 on one end of a beam 10 pivotably attached to a main strut 14 which is also connected to the trunnion 8 by a link 16 parallel to the beam 10. An oleopneumatic shock absorber 18 is connected to a lug 20 of a beam 10 and to a pair of arms 24 which are pivoted about 25 on the strut 14. The axle 26 of wheels 2 is supported on a carrier 28 attached to the inner slidable member 30 of a telescopic leg, which member is also 30 rotatable within tube 32 connected to the arms 24 by links 36. Tube 32 is pivotably connected to the arms 24 at 34 and to the strut by links 36. To enable the front wheels 2 to be retracted a camming action is provided to ensure that when unloaded the wheels are facing directly fore and aft. Member 30 is attached to a damper piston 44, Fig. 4, carrying a face cam 40 and biased downwardly by a spring 56. When the wheels are not loaded piston 42 is forced down and cam 40 engages with a fixed cam 44 so that member 30 is turned to leave the wheels fore and aft. This arrangement may be reversed so that the rear wheels castor or alternatively both pairs of wheels may castor.
Patent GB-1193470-A (GB)
Title: Apparatus for Casting Meltable Material such as Metal under Gas-Pressure and -Counterpressure
Inventor: BALEVSKI ANGEL TONTICHEV
IPC: B22D18/08
Filed: 1967-08-24
Abstract: 1,193,470. Casting-machines. INSTITUT PO METALOZNANIE I TECHNOLOGIA NA METALITE. 24 Aug., 1967 [15 Sept., 1966], No. 39092/67. Heading B3F. In apparatus for gas pressure casting, with counter-pressure in the mould 2, the pressures being selected to control the rate of filling of the mould, a valve 1 (in a wall of the feed system, Fig. 1, or in a mould wall that contacts the metal during casting, Fig. 2) is left open (when gas from a cylinder 5 is building up a required pressure in the apparatus) to balance the pressures in the mould cavity and in a chamber 3 surrounding the melt container 4. When the pressure has built up as required, the valve 1 is closed and charging of the mould 2 is started and controlled by gas inlet valves 7, 8 and an outlet valve 10. Restricted vents 11 to a chamber 12 around the mould allow gas displacement as the melt enters the mould. In the embodiment of Fig. 2, the valve 8 may be regulated to balance resistance created by gasflow (because of the further interconnection of the mould 2 and chamber 3 through the valves 7, 8) but to eliminate this necessity an equalizing valve 13 may connect the chambers 11, 12. In the arrangement of Fig. 2, the valve 1 may be constituted by a movable section of the mould wall, Fi4. 5 (not shown), or the whole mould may be lifted from the feed pipe 9. In a modification, Fig. 4 (not shown), openings in the lower end of the feed pipe 9 constitute the valve 1 and are closed by dipping of the end into the melt by relative movement of the parts by raising or lowering, by swinging of the pipe or by raising the melt level by electromagnetic pumping.
Patent GB-1323351-A (GB)
Title: Process for the manufacture of saturated aliphatic secondary amines
IPC: C07C67/00
Filed: 1970-08-14
Abstract: 1323351 Aliphatic secondary amines FARBWERKE HOECHST AG 14 Aug 1970 [14 Aug 1969] 39301/70 Heading C2C In a process for the manufacture of aliphatic saturated secondary amines from unsaturated nitriles or mixtures of saturated and unsaturated nitriles having from 8 to 22 carbon atoms per molecule optionally in admixture with unsaturated and/or saturated amines of similar chain length, the starting material is hydrogenated in a first step to yield a mixture of saturated amines and the mixture is desaminated continuously in a second step, each step being carried out in the presence of a fixed bed hydrogenation catalyst. Preferably the first step is carried out at a pressure of 100 to 300 atmospheres gauge and at a temperature of 100‹ C to 200‹ C and the second step at a pressure of 0 to 50 atmospheres gauge and a temperature from 120‹ C. to 220‹ C. Among the starting materials employed are oleyl, tallow acid and coconut fatty acid nitriles. Catalysts used in the first step include nickel and/or cobalt and in the second step cobalt or copper-chromium or copper cadmium catalysts.
Patent GB-979110-A (GB)
Title: A burner
IPC: F23D11/00
Filed: 1962-10-18
Abstract: 979,110. Burners. CENTRE NATIONAL DE RECHERCHES METALLURGIQUES. Oct. 18, 1962 [Oct. 19, 1961], No. 39512/62. Heading F4T. A burner which is mounted in a tuyere of a shaft furnace comprises a central oil feed tube 1 terminating in a screw-threadedly attached convergent spray nozzle 2 having a cylindrical constricted portion 5 and an outer tube 6 of heat resisting steel forming an annular passage around the tube 1, for gas or air. The rate of flow of the latter varies with the rate of injection of fuel oil through the nozzle 2 to control heating of the oil by hot air flowing through the tuyere. The maximum rate of gas or air flow between the tubes 1, 6 occurs when no fuel oil is being injected.
Patent GB-957088-A (GB)
Title: Electric switches for weak or medium currents, actuated by a removable key
IPC: H01H27/08
Filed: 1961-11-06
Abstract: 957,088. Key-operated switches. ETABLISSEMENTS RUSSENBERGER S.A. Nov. 6, 1961 [Nov. 10, 1960], No. 39645/61. Heading H2B. An electric switch is operated by a removable key 5 pivotable about a shaft 8 which is positioned so that portions 5c, 5d must penetrate beyond the shaft before they can operate a lever 2 of the switch. The key may have a projection 10 which is aligned with a slot in the housing to allow removal of the key in one position only of the switch.
Patent GB-1128413-A (GB)
Title: Improvements in or relating to stringers for sliding clasp fasteners of the concealed element type
Inventor: AUSTIN CHRISTOPHER FREDERIC
IPC: A44B19/40
Filed: 1966-09-06
Abstract: 1,128,413. Sliding clasp fasteners. LIGHTNING FASTENERS Ltd. 23 Aug., 1967 [6 Sept., 1966], No. 39807/66. Heading E2S. A stringer for a fastener of the concealed element type comprises a stringer tape 2 having a longitudinal fold 4 and a series of coupling elements 3 each coupling element having grooves 10, 10a and a part of the tape portion 6 is held in the grooves on one side of the element by a stitching thread securing the element to the tape. The series of coupling elements may comprise a spiral coil or meander and a textile cord 7 extends within the coil.
Patent GB-1439430-A (GB)
Title: Ladle addition apparatus
IPC: B22D1/00
Filed: 1974-09-12
Abstract: 1439430 Refining steel melts METALLURGICAL EXOPRODUCTS CORP 12 Sept 1974 [10 Dec 1973] 39826/74 Heading C7D [Also in Division F4] Apparatus for introducing an addition agent into molten steel in a ladle comprises a rod 19 lined with refractory 20 and carrying a base-plate 17 and concentric sleeves 11, 12 and 13 defining compartments 14 and 15. The rod, which may be a stopper rod, terminates in an enlarged section 18 and the sleeves may be made of low C steel or aluminium. The sleeve 13 may be dispensed with. The addition agent B e.g. a zirconium alloy in compartment 15 may be protected by upper and lower layers of agent A e.g. ferrosilicon with a further protective layer in compartment 14.
Patent GB-1393840-A (GB)
Title: Pesticide composition
IPC: A01N43/90
Filed: 1973-08-22
Abstract: 1393840 Mixed fungicides LEK TOVARNA FARMACEVTSKIH IN KEMICNIN IZDELKOV 22 Aug 1973 [22 Aug 1972] 39844/73 Heading A5E [Also in Division A2] A fungicide composition comprises: (a) an 8-hydroxyquinoline of the general formula wherein X and Y, which can be the same or different, each represent hydrogen or a halogen; (b) a quaternary ammonium halide of the general formula wherein R 1  represents a methyl group, R 2  and R 3 , which can be the same or different, each represent, an optionally substituted alkyl, alkenyl, cycloalkyl, aryl, aroyl or heterocyclic group, and Hal represents chlorine or bromine; and (c) thiabendazole of the formula Optional ingredients are other pesticides, surface active agents and fillers. The compositions find application in combating fungi on plants, fruits and seeds and are effective in increasing cereal growth during germination.
Patent GB-1439648-A (GB)
Title: Apparatus for lifting and chopping vegetables
IPC: A01D43/08
Filed: 1973-08-22
Abstract: 1439648 Harvesting apparatus M JOURDAN 22 Aug 1973 [25 Aug 1972] 39857/73 Addition to 1355845 Heading A1F A device for use with a tractor to lift and chop vegetables comprises two forwardly diverging plates 8, 9, connected by a wall 10 which forms together with plate 9 part of a feed duct, leading via a conveyor 34 to a chopping device. A screw conveyor 16 mounted on the plate 8 lifts the upper ends of the stalks and forces them against a conical surface 140; the lower ends are then cut by rotary blades 14 and propelled into the feed duct by fingers 15. A compacting device 150, which may be a resilient blade or a wheel, held resiliently against a cylindrical surface 13a mounted above the blades 14 and rotating with them, aids the flow of vegetables into the duct.
Patent GB-1221573-A (GB)
Title: Arc extinction device
IPC: H01H1/20
Filed: 1968-08-22
Abstract: 1,221,573. Arc extinguishing in switches. LA TELEMECANIQUE ELECTRIQUE. 22 Aug., 1968 [1 Sept., 1967], No. 40135/68. Heading H1N. An arc-chute 1 contains a movable contact 6; a fixed contact 15 with an arc runner 16; a plurality of arc-splitter plates 20; and a U-shaped ferromagnetic member 17 having a base portion 17a and two arms 17b which together surround the moving contact 5 throughout its travel, and a pair of extensions 17c extending from the free ends of arms 17b towards the base 17a and lying alongside the fixed contact 15. The arrangement is such that any arc forming away from the centre of the chute roots on the arms 17b, 17c, the current flowing in member 17 along a path 27, thus creating a magnetic field tending to drive the arc towards the base 17a and thus towards the splitter plates 20 where it is extinguished. The contact 5 is carried by a bridge 4 held resiliently in a carrier 3 by a spring 8. A second chute surrounds the other end of bridging contact 4 which is provided with arcing tips 22. In a modification, the ends of extensions 17c may be bent to follow the shape of base 17a (Fig. 5b, not shown). The base 17a may be interrupted.
Patent GB-877330-A (GB)
Title: Light hoods for photographic cameras
IPC: G03B19/12
Filed: 1957-12-30
Abstract: 877,330 Light hoods for photographic cameras. HEIDECKE, R. and FRANKE, H., [trading as FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAZISIONS - APPARATE]. Dec. 30, 1957 [March 13, 1957], No. 40259/57. Class 98(1) In a collapsible extension light hood for a ground glass focusing screen, a binocular lens support is foldable about a central hinge 36 and interchangeably attached to opposite walls of the hood by hinge pins engaging open-ended slots under the resilient pressure of springs which bias the hood into the open position. As shown, arms 43 of coil springs 38 press hinge-pins 35 into slots 42 and the other arms 45 press downwardly on lens support 29. On collapsing the hood, the lens support is accommodated in hollowed positions of the walls 23 and the other walls fold inwardly along a longitudinal crease. Flange 48 of lense mount 47 is held in a U- shaped guideway 49 and arm 45 maintains tooth 53 in engagement with one of notches 52 determine the inter-ocular spacing. The axes of lenses 31 preferably converge downwardly.
Patent GB-1448875-A (GB)
Title: Method of preparing meat substitutes
IPC: A23L7/10
Filed: 1973-08-28
Abstract: 1448875 Artificial meat GENERAL FOODS CORP 28 Aug 1973 [24 Nov 1972 (2)] 40555/73 Heading A2B Artificial meat is made by forming protein into fibres, by the steps of (a) forming a proteinaceous dough containing 20 to 65% water (b) compressing the dough to as little as 1/10 of the original volume to degas and densify it, whilst simultaneously heating it and (c) releasing the compression, whilst ensuring that the pressure drop is less than 500 p.s.i. so as to avoid puffing of the product, i.e. the increase in volume is less than 20%. The protein may be obtained from soy bean, peanut, cottonseed, meat, poultry, fish, wheat gluten, milk powder, or whey, and the dough should contain at least 35% heat coagulatable protein (on a dry basis). The processing temperature is at least 250‹F (for 3 minutes). The heat-set product has a density of at least 0.65 gm/ml, and a hydration of less than 2 gm H 2 O/ gm solids at 50‹C for half an hour. The process may be carried out in an extruder, the product being forced through a die by means of a rotary screw. Starch fillers, colourings, fats, flavourings, or wheat flour may be included in the proteinaceous dough.
Patent GB-1360422-A (GB)
Title: Monoazo pigment and a process for its preparation
IPC: C09B67/00
Filed: 1971-08-31
Abstract: 1360422 Mono-azo pigment FARBWERKE HOECHST AG 31 Aug 1971 [2 Sept 1970] 40577/71 Heading C4P The novel γ-modification of the azo pigment of the formula is prepared by heating the α-modification, described in the last paragraph of Example 4 of Specification 1,033,917, in aqueous suspension at 90-200‹ C., possibly with the addition of an organic solvent and/or an anionic or cationic surface-active agent. It shows a characteristic X-ray spectrum. In the examples the preparation of the α-modification by conventional diazotization and coupling in alkaline solution is also described. The colourings prepared with the pigment of the γ-modification have a more yellow shade than those of the #-phase and a more bluish-red shade than those of the α-phase. They also show a better fastness to light and a higher colouring power, for example in coloured lacquers and polyvinyl chloride dyeings. Specification 1,016,089 is also referred to.
Patent GB-943770-A (GB)
Title: Improvements in regulated d.c. to a.c. static inverters
IPC: H02M3/10
Filed: 1962-10-26
Abstract: 943,770. Automatic voltage control. STANDARD TELEPHONES & CABLES Ltd. Oct. 26, 1962 [Oct. 27, 1961], No. 40617/62. Heading G3R. [Also in Division H2] The output voltage of a D.C. to A.C. static inverter is maintained constant by varying the input voltage to the inverter by a static chopper connected between a D.C. supply and the inverter. As shown, a D.C. supply is fed through a chopper 1 to an inverter 2 supplying an A.C. output. The inverter output voltage is applied through a rectifier 3 to a comparator 4 wherein it is compared with a direct voltage from a reference source 5. The difference voltage from the comparator is applied to a modulator 6 to modulate the output of a triangular waveform oscillator 7. The modulator includes means for converting the modulated triangular wave into pulses, where spacing depends upon the modulation, which are used to switch the chopper on and off to vary the input voltage to the inverter. The chopper 1 utilizes two silicon-controlled rectifiers one of which is rendered conductive by a positive pulse to a gate and after an interval, determined by the difference voltage from the comparator,the second silicon-controlled rectifier is rendered conductive and the first siliconcontrolled rectifier back-biased to non-conduction through an auto-transformer and rectifier. The inverter utilizes two silicon-controlled rectifiers which are switched by a square wave applied in a push-pull manner to their gates. The triangular waveform is generated by a transistor oscillator and applied through a transistor, responsive to a reference level, derived from across a Zener diode, and a rectified output voltage dependent signal, to control the pulse separation of a Schmitt trigger circuit gating the chopper.
Patent GB-1119208-A (GB)
Title: Improvements in or relating to dyeing hydrophobic materials
Inventor: CLOUGH DONALD KEIGHLEY
IPC: D06P3/48
Filed: 1964-10-07
Abstract: Hydrophobic organic materials are dyed, padded or printed with an anthraquinone disperse dye containing at least two primary or secondary amino groups and with a polyhalogenoquinone.  Azo disperse dyes containing primary or secondary amino groups may be coemployed. The materials may be fibres or films of cellulose-2 1/2 - or -tri-acetate or other esters, polyamides, aromatic polyesters or acrylonitrile polymers or copolymers.  A number of amino- and aminohydroxy-anthraquinones are specified and the quinones may be 2, 3, 5, 6-tetra-chloro- or -bromo-1, 4-benzoquinone.  The dyeings may be after-treated with the quinone in the exhausted dyebath or in a fresh bath or, alternatively the dried dyeing or print may be treated with the quinone, dried again and steamed or dry heated at 100-220 DEG C.  Examples are given.
Patent GB-967338-A (GB)
Title: Control device for a nuclear reactor
IPC: G21C7/30
Filed: 1961-11-16
Abstract: 967,338. Reactor control rods. GENERAL NUCLEAR ENGINEERING CORPORATION. Nov. 16, 1961 [Dec. 2, 1960 (2)], No. 41009/61. Heading G6C. A control device for a nuclear reactor comprises a plurality of elongated members, each containing a nuclear fuel on one side and a neutron poison on the other, and means for the manipulation of at least some of the members about a longitudinal axis between a position where the fuel is masked to a predetermined extent by poison with respect to the exterior of the device and a position where the fuel is unmasked. In one embodiment (Figs. 3 and 4), the device comprises six elongated control members 26, each semi-circular in crosssection and made up of a housing 28 of, for example, zirconium or stainless steel, with a layer 30 of a neutron poison adjacent the flat surface of the housing, the remainder being filled with a nuclear fuel 46 such as uranium oxide. The members 26 are arranged in a circle and each is rotatable about its axis 32 by means of stub shafts 36, 40 projecting from the lower and upper ends, respectively, of the housings 28 and journalled in support plates 34, 38, respectively. A pinion gear 48 secured to each stub shaft 40 meshes with a gear 50 secured to a central shaft 42 which extends upwardly through the reactor vessel to a suitable actuator. Rotation of shaft 42 simultaneously rotates each of the members 26 in the same direction and to the same extent about its axis 32 from the position shown in Fig. 4 to one in which the curved surfaces of the members face outwards, which has the effect of increasing the reactivity. A modified form of this embodiment employs four cylindrical control members, one diametric half of each member containing a nuclear fuel while the other contains a neutron poison. In an alternative embodiment (Fig. 9), the control device comprises a cylindrical housing 126, of, for example, zirconium from the inner wall of which a number of arms extend radially inwards, each consisting of a portion 130 of a nuclear fuel along one side and a portion 132 of a neutron poison along the other. These portions 130, 132 may be enclosed in zirconium casings. Mounted inwardly of the inner extremities of these arms and co-axial with housing 126 is a cylindrical hub member 134 provided with similar arms extending radially outwards and rotatable from the position shown in Fig. 9 in which the poison is masked by the fuel to a position in which the fuel is masked by the poison; the reactivity being greatest when the device is in the Fig. 9 position.
Patent GB-1163125-A (GB)
Title: Butterfly Valve.
IPC: F16K1/226
Filed: 1966-09-14
Abstract: 1,163,125. Fluid pressure control valve &c. NORDISKA ARMATURFABRIKERNA A.B. 14 Sept., 1966 [14 Sept., 1965], No. 41049/66. Heading F2V. Within the extremity of a butterfly-valve closure member 3 there is provided a suitably shaped groove 7 and clamping ring 8 which together serve to locate and retain in position an elastomeric sealing ring 6, the shape of the ring being such that only when the valve is in its closed position, and the ring consequently vertically compressed and laterally expanded, does the ring fill substantially the whole of the groove 7, the arrangement ensuring satisfactory sealing whilst minimizing wear due to abrasion between the ring 6 and valve seat 2.
Patent GB-1479193-A (GB)
Title: Toner powder for the development of electrostatic images
IPC: G03G9/097
Filed: 1974-09-20
Abstract: 1479193 Electrographic toners OCE-VAN DER GRINTEN NV 20 Sept 1974 [23 Oct 1973] 41105/74 Headings C3B C3P and C3R Toner powders for developing electrostatic images comprise thermoplastic resin particles containing as colorant and polarity control agent a normal salt of a basic azo, xanthene, acridine, methine, azine, oxazine, thiazine, di- or tri-phenylmethane, quinoline, indamine or indophenol dye with an organic acid containing at least 6 carbon atoms and having a pKa lower than 4, measured in aqueous solution at 25 C. The resin may be a polymer of styrene, optionally with acrylic monomers, or a polyamide, polyester, phenol/formaldehyde, polyethylene, polyvinyl chloride, epoxy, colophony or alkydmodified colophony resin. The toners may also contain pigments, e.g. carbon black, zinc oxide, titanium dioxide, red lead or chrome yellow, and may be mixed with carriers, e.g. iron, metal oxide or glass particles to provide developers. Examples describe developers comprising iron or glass beads and toners containing carbon black; resins selected from styrene/indene/ acrylonitrile copolymers, epoxy resins, polystyrene, polyester resins, and mixtures of polyamide and phenol resin modified with colophony; and salts of Crystal Violet, Safranine-T, Nile Blue, Neutral Red, Pyronine G, Janus Blue and Victoria Blue with 2,4 - di - t. pentylphenoxyacetic, 2 - (2,4 - di - t. pentylphenoxy) butyric, dioctylsulphosuccinio, dipentylsulphosuccinic, phenoxyacetic, 2 - aminocaprylic, isopropylnaphthalene sulphonic acids, phenylglycine and dodecyl hydrogen sulphate.
Patent GB-1392797-A (GB)
Title: Microwave devices
IPC: H03G11/02
Filed: 1973-09-01
Abstract: 1392797 Microwave switches FERRANTI Ltd 1 Sept 1973 41226/73 Addition to 1,367,392 Heading H1W A microwave switch comprises a voltage sensitive reactance 20, e.g. a PIN diode forming part of a tuned circuit which is matched to an input transmission line (and may also be matched to an output transmission line) by a voltage transformer. The diode is mounted on a central post 13, which forms part of the resonant circuit, and a bias voltage is applied through conductor 22 for which a choke coupling 25 is provided. The inner conductors 14, 16 of input and output co-axial lines are connected to points on posts 11, 12 appropriate to the desired impedance transformation.
Patent GB-1360439-A (GB)
Title: Continuous flow control apparatus
IPC: A61M39/22
Filed: 1971-09-06
Abstract: 1360439 Regulating fluid-flow LE VOY'S Inc 6 Sept 1971 [18 Sept 1970] 41389/71 Heading G3H [Also in Division F2] A continuous flow control apparatus, which is designed to be interposed between a pressurized infusion container (2), Fig.1, (not shown), and a catheter (7), comprises an inlet 5, an outlet 6 and, disposed therebetween, a small bore capillary 24 and a manually operable fail-safe valve 27, the capillary and valve being arranged in parallel with one another. In the closed state of the valve, shown, all flow between the inlet 5 and outlet 6 takes place through the capillary. When it is desired to temporarily increase the flow to the outlet, the valve is manually raised from its seat 21, by drawing stem 30, such that a wall portion 28 of the valve attains a bellows shape Fig. 5, (not shown). Releasing of the valve stem 30 results in valve 27 being returned to its seat by the fluid pressure within the inlet 5. The valve 27 is formed from rubber and includes a guiding stem 31. A bore 14 leading to the outlet 6 may be connected to monitoring apparatus or may be used for hypodermic injection.