baber/WOPTO huggingface dataset:
Patent GB-1026691-A (GB)
Title: Improvements in or relating to the treatment of titanium bearing ores
Inventor: WIGGINTON RAYMOND JAMES
IPC: C22B34/12
Filed: 1961-04-21
Abstract: Metallic iron is obtained by heating a titanium bearing ore containing iron with a reducing agent in such a manner that a liquid slag is not produced, and where prior to the completion of the reduction at least one compound of magnesium in an amount from 0.25-10% by wt. of ore calculated as MgO is added.  The reduction may be carried out in two stages, metallic iron being removed after each stage with the magnesium compound(s) being added after the first removal.  The reduction may be effected by heating the ore at 800-1300 DEG C with coke or at 700-1000 DEG C with a gaseous reducing agent e.g. Co or H2.  In order to facilitate the separation of metallic iron from the reduced ore, conventional conditioning agents e.g. CaF2, boron compounds, may be added.  The metallic iron may be removed by leaching with acid, by electromechanical methods or by submerging the ore in an acidic medium, agitating, and contacting the ore with an oxidising gas.ALSO:Titanium dioxide is prepared from a titanium-and-iron-containin ore, e.g. ilmenite or leuccoxene, by heating the ore with a reducing agent in such a way that, without producing a liquid slag, at least part of the iron content is reduced to metallic iron, removing the latter, sulphating the enriched ore to bring the titanium and residual iron into water-soluble form, dissolving the latter in an aqueous medium, and precipitating titanium dioxide from the resulting solution by hydrolysis.  The process is characterized by the addition of at least one magnesium compound in an amount from 0.25-10% by weight based on the ore, and calculated as MgO, to the ore prior to the completion of reduction. A water-insoluble magnesium compound, e.g. magnesite, dolomite, MgO or MgSiO4, may be admixed with the ore or a solution of a water-soluble magnesium compound, e.g. the chloride or a double salt, e.g. MgCl2.KCl.6H2O, may be added to the ore.  In the latter instance, the wet ore is dried at 50-150 DEG  C. before reduction. The reduction may, however, be carried out in two stages, metallic iron being removed after each stage and the magnesium compound(s) being added after the first removal. The reduction may be effected by heating the ore at 800-1300 DEG C. with coke or at 700-1000 DEG  C. with a gaseous reducing agent, e.g. CO or H2.  Metallic iron may be removed by leaching with acid or by electro-mechanical methods.  In order to facilitate the removal of iron, a conditioning agent, e.g. CaF2, a boron compound (e.g. boron oxide or boric acid), a mixture of a boron compound with a phosphate-containing material or a sodium compound (e.g. NaOH or NaCl) may be added.  In order to produce TiO2 pigment, the TiO2: Fe ratio of the solution to be hydrolysed is adjusted to 2: 1 to 6: 1 prior to precipitation of titanium dioxide. The desired ratio can be achieved by crystallizing out iron sulphate or by adding more ore to the reduced ore prior to sulphation.
Patent GB-900019-A (GB)
Title: Aircraft alighting gear
Inventor: PITT ANGUS RAYFIELD
IPC: B64C25/34
Filed: 1960-04-26
Abstract: 900,019. Aircraft undercarriages. DOWTY ROTOL Ltd. April 18, 1961 [April 26, 1960], No. 14600/60. Class 4. An aircraft undercarriage includes a freely telescopic leg 11, one part 12 of which is connected to the aircraft, the connection being made rigid when the leg is extended, e.g. by a bracing strut 28, the other part 13 of the leg being pivoted at 17 to the forward end of a bogie 20, and a strut 25, which may be a telescopic damper, pivoted at one end 23 to the bogie and at its other end to the aircraft or to leg part 11 at 26, the torque resisting elements 30 of the brakes of the front wheel or wheels 18 being attached to the leg part 11 and those of the brakes of the rear wheel or wheels 22 being attached to the bogie, and the connection 17 between parts 13 and 20 lies on a line (shown broken) passing through the rotational axis of the front wheel or wheels and through the effective ground contact point of the rear wheel (or through the line joining the effective ground contact points of twin rear wheels), the leg lies at an angle of 85 to 95 degrees to the line, and the axis of the strut 25 (also shown broken) cuts the line substantially at its mid point. In this way, the loads borne by the front and rear wheels are kept equal when the aircraft is stationary or braking. As described, the axle 17 serves as the front wheel axle and also pivots part 13 to the bogie. The brakes are of the disc type. An up-lock is provided for the leg.
Patent GB-1465246-A (GB)
Title: Steam generator buckstay leveler systems
IPC: F22B37/24
Filed: 1975-04-09
Abstract: 1465246 Boiler stays COMBUSTION ENG Inc 9 April 1975 [10 April 1974] 14618/75 Heading F4A In a buckstay structure for a steam generator buckstays 4, 5, 6, 7 (Fig. 1) and 22 (Fig. 2) support a steam generator 2 having furnace wall tubes 3 by means of buckstay ties 8 (Fig. 1) and buckstays 4 and 22 are provided with stirrups 17 and 23 respectively which are supported from the furnace wall tubes 3, the buckstays 4 and 22 being connected through a telescopic connection 25, 27 such that transmission of force between the two members 25, 27 of the telescopic connection is provided.
Patent GB-930196-A (GB)
Title: Character recognition devices
IPC: G06K9/74
Filed: 1962-04-16
Abstract: 930,196. Character recognition apparatus. BAIRD-ATOMIC Inc. April 16, 1962 [April 27, 1961], No. 14663/62. Class 106 (1). Transparent characters on a film 48 are imaged by lenses 62, Fig. 1, on to six masks 58, Fig. 3, and the transmitted light from each is focused by a lens 72 on to photo-detectors 74 having a binary response according as to whether the received light is above or below a given value, the outputs being combined in a diode network 82 to give an identifying signal on one of ten leads 88. The masks may have only black or white areas or areas of different shades of grey. Each mask distinguishes between two groups of characters and in combination they are designed to distinguish between all characters which are to be recognized. For each character some photodetectors will give a " 1 " output, others a " 0 " and the rest will be unreliable. The photo-detectors are connected to flip-flops 76 and the outputs are amplified before application to the diode network.
Patent GB-1443092-A (GB)
Title: Excavating tool
IPC: E21B10/52
Filed: 1974-04-03
Abstract: 1443092 Boring earth &c KENNAMETAL Inc 3 April 1974 [23 April 1973] 14721/74 Heading E1F An earth boring drill bit of the type consisting of a body 10 having hard wear resistant inserts has axially disposed inserts 22 on the working face 14 of the body, angularly disposed gauge inserts 28 arranged around the junction of the working face 14 and side wall 16, and radially disposed inserts 32 spaced around the side wall 16. All the inserts may be made of cemented tungsten carbide, the inserts 22, 28 having domed heads 24, 30 and the inserts 32 having square heads 34. The iserts 32 are arranged directly above the gauge inserts 28 with the diagonals of the square heads 34 disposed vertically and horizontally as shown in Fig. 1. A second row of squareheaded inserts 38 may also be provided on the side wall 16, the inserts 38 being staggered from the inserts 32.
Patent GB-850753-A (GB)
Title: Improvements in or relating to the filling of small receptacles
IPC: A62C13/00
Filed: 1958-05-08
Abstract: 850,753. Filling containers such as burstable capsules. WALTHER & CIE A.G. May 8,1958 [June 8, 1957], No. 14743/58. Class 125(2). Receptacles such as burstable capsules for fire protection systems are filled with liquid by dosing them with an auxiliary medium which can be absorbed in the liquid, immersing them in a body of the liquid at a temperature above the boiling point of the medium which is thus vaporized to drive out the air, cooling the body to a desired bursting temperature so that the liquid absorbs the medium and fills the capsules, removing the capsules from the body of liquid, cooling them further, and sealing them by fusion. The liquid may be glycerine or water and the auxiliary medium water or ammonia respectively.
Patent GB-579767-A (GB)
Title: Improvements in or relating to the production of glycerine and fatty esters from animal and vegetable fats and oils
IPC: C11C3/04
Filed: 1943-09-08
Abstract: Glycerine and fatty esters are separated from the products of the alcoholysis of fatty acid glycerides in the presence of alkaline compounds of alkali metals by adding ammonium chloride, distilling off the alcohol, separating the ester layer, removing the precipitated alkali metal chloride, and recovering the glycerine. Any soaps which may be formed during the alcoholysis process are converted by the ammonium chloride into alkali metal chloride, ammonia, and free fatty acid, and in the subsequent separation these acids form a separate layer containing the bulk of any colouring matter present so that the fatty esters and glycerine are obtained in a high degree of purity.  Examples refer to the conversion of coconut oil, soyabean oil, peanut oil, linseed oil, castor oil and tallow into the methyl, ethyl, isopropyl, butyl, octyl and methallyl esters of the fatty acids present, and glycerine.
Patent GB-1531115-A (GB)
Title: Cord holders
IPC: H05K1/18
Filed: 1977-04-07
Abstract: 1531115 Electric cord holders NIFCO Inc 7 April 1977 [9 April 1976] 14791/77 Heading H2E [Also in Division F2]  A cord holder comprises a tubular member 1 having a flange 6 and projections 7 for fixing the holder in an aperture 8 in a partition P, a hinge 5 connected to the member 1 and to a lid 2, and an outlet 4 for a cord. The holder may be integrally formed of plastics. The lid 2 folds about hinge 5 so as to frictionally trap a cord against an internal wall 10.
Patent GB-628517-A (GB)
Title: Improvements in and relating to pipe or rod couplings
IPC: F16L37/22
Filed: 1947-06-04
Abstract: 628,517. Pipe or rod couplings. AUTOMOTIVE PRODUCTS CO., Ltd. June 4, 1947, No. 14819. Convention date, Dec. 29, 1945. [Class 99(i)] In pipe or rod couplings of the kind in which automatic engagement of a latch holding the coupling portions together is effected by inserting one axially within the other, an external device being provided for releasing the latch, the latter comprises a rotatable member 25 which is turned anticlockwise by a boss 5 when a spigot 1 is inserted in a socket 2 and is then forced back into the locking position shown by a spring 33 compressed by the previous movement, release being effected by moving a sleeve 30 to the left to turn the member 25 into a position where the spigot 1 is released. The member 25 is a bar cut away at 35 and notched at each end to form a projection 26 engaging between lugs 28, 29 on the sleeve 30. The bar 25 is located in a sleeve 7 secured on the socket 2. 16 is a sealing ring.
Patent GB-1166566-A (GB)
Title: Motion Picture Cutting Desk Projector Device
IPC: G03B21/02
Filed: 1967-03-31
Abstract: 1,166, 566. Cine film editing machines. OFFICINE PREVOST S.A. S. March 31, 1967 [April 1, 1966], No. 14826/67. Headings G2C, G2E and G2J. An editing, cutting and montaging disk for 35 mm or 16 mm cine film has separate projection heads B1, B2, one for each film size, which are selectively rotatable about axis CC into the projection position in front of the single lamphouse A, the two heads being carried on a common mounting box 20 pivoted at 21 and 24. Eccentric pin 22 on mounting 20 enters slot 23 and displaces the lamphouse vertically to register with the film width to be used as the heads are rotated. Collimated light from condenser 12 passes through standard film P', and via prisms 15 and 16 and a projection lens 15a to a viewing screen. In the invented position of the heads, light passes through sub-standard film, and via projection lens 18 and prism 19 to the screen.
Patent GB-515091-A (GB)
Title: Improvements in and relating to electric lamps
IPC: H01J5/24
Filed: 1938-05-18
Abstract: 515,091. Electric incandescent lamps. BRITISH THOMSON-HOUSTON CO., Ltd. May 18, 1938, No.14840. Convention date, May 19, 1937. [Class 39 (ii)] An electric lamp bulb or enclosure such as described in Specification 479,258, comprises a reflector 11 and a cover 12 both made of pressed glass and fused together. The cover is positioned concentrically with respect to the reflector by an annular ridge 28 on one engaging a corresponding recess on the other, and angular relationship is secured by a radial lug and co-operating recess. A reflecting surface 14 may be furnished by vaporizing, as described in Specification 492,928, [Group II], aluminium on to the part 11 prior to sealing the parts together. A recess 27 in the part 10 prevents' the heat during the sealing operation from damaging the surface 14. The filament 23 and its supporting wires are held in a jig located against a shoulder 42 on the reflector whilst the wires are secured in the portions 18 of the terminals as described in Specifications 471,301 and 502,551, [both in Group XXXVI], thus locating the filament at the focal point of the mirror. An outer shoulder 34 facilitates accurate mounting of the complete lamp as described in Specification 515,211. The cover 12 may be formed on its inner surface as a fluted lens. or with prisms or facets or it may be frosted.
Patent GB-293542-A (GB)
Title: Arrangement and connection for electric hoisting apparatus connected to three-phase distribution systems
IPC: B66C13/26
Filed: 1927-06-02
Abstract: 293,542. Sachsenwerk Licht-und Kraft-Akt.-Ges., and Gossow, E. June 2, 1927. Electric braking; systems for alternating-current motors.-For braking, controlling and a three-phase induction motor M, Fig. 2, which is used for working a hoist, the motor is mechanically coupled to a direct-current generator G connected to loading resistances RW which are varied in small steps by segments disposed either on the hoisting side H or on the lowering side L of the motor controller. Fig. 2 shows the arrangement in which the generator is used only during lowering. The motor remains disconnected from the line through six steps of generator braking, the motor being switched-in and the generator open-circuited at the seventh step. Diagrams are given of other arrangements in which the motor comes into action during one or more steps coincidentally with the generator braking, and of arrangements in which the loading generator is used during hoisting.
Patent GB-612061-A (GB)
Title: Insulators for high tension transformers
IPC: H01F27/04
Filed: 1946-05-16
Abstract: 612,061. Electric insulators. SCARPA, G. May 16, 1946, No. 14881. Convention date, Nov. 16, 1945. [Class 36] A lead-in insulator for high voltage transformers in which the part intended to penetrate the interior of the transformer casing does not present uncovered metallic parts, has a conduit with walls of insulating material for the passage of the insulated end of the transformer winding. The. insulator 1 is provided with a metal armature 2 to fix to the transformer casing and with a metallic cap c connected to the line at 3. A metallic tube 4 is arranged within the hollow centre of the insulator and makes electrical connection with the line, but does not extend into the lower portion 5 of the insulator. The insulated end 6 of the transformer winding passes into the cavity 5 and is connected, through the flexible conductor 7, with the terminal 8. The insulator may be constructed to contain a series of metallic tubes for the purpose of distributing electric potential.
Patent GB-1056551-A (GB)
Title: Electrical apparatus including a transistor
Inventor: PHILLIPS MICHAEL
IPC: H05K7/12
Filed: 1965-04-12
Abstract: 1,056,551. Circuit assemblies. RANKBUSH MURPHY Ltd. April 12. 1965 [April 10, 1964], No. 14892/64. Heading H1R. In apparatus including a transistor 4, and a passive circuit element enclosed in a metallic screening enclosure 2, a thermally conductive resilient member 6 is secured to the transistor at 5 and fits closely about the enclosure, thus conducting heat away from the transistor. The passive circuit element may be a variable inductor. In a modification (Fig. 3, not shown), two transistors are joined to one enclosure by a single resilient member.
Patent GB-549234-A (GB)
Title: Method of polymerizing unsaturated methylene compounds
IPC: C08F4/34
Filed: 1940-10-07
Abstract: 549,234. Chemical testing. NORTON GRINDING WHEEL CO., Ltd. Oct. 7, 1940, No. 14972. Convention date, Oct. 6, 1939. Drawings to Specification. [Class 1 (i)] [Also in Group IV] The unsaturated monomeric methylene compounds specified below are exposed to air or oxygen to form therein a small proportion of the peroxide of the compound to act as a catalyst in the subsequent polymerization of the monomer. The concentration of the peroxide in the monomer may be determined by a colorimetric test, the yellow colour of iodine liberated from a freshly prepared solution of potassium iodide in water being compared either with the colour of iodine liberated from a similar solution by the addition of a known amount of peroxide, or with standards prepared by diluting aqueous solutions of potassium dichromate to match the colour of iodine liberated by a solution of peroxide of known concentration. The unsaturated monomeric compounds specified are (1) vinyl esters of lower aliphatic acids, (2) acrylic and methyl acrylic acids and their lower alkyl esters, (3) substituted ethylenes, (4) ketones containing the unsaturated methylene group, (5) aldehydes, (6) mixed anhydrides such as acrylic and methacrylic formic anhydride, (7) vinyl, isopropene, allyl and methallyl esters of methacrylic acid, (8) polyhydric alcohol (including the hypothetical ethylidine glycol) esters of acrylic and methacrylic acids, (9) divinyl ketone and alpha substituted divinyl ketones, and (10) interpolymers of mixtures of the monomers specified above.
Patent GB-900279-A (GB)
Title: Improvements relating to detachable lens covers for motor vehicle lamps
IPC: F21S8/10
Filed: 1960-04-29
Abstract: 900,279. Vehicle lamp masks. MIDLAND GEAR CASE CO. Ltd., and SMITH, W. B. April 26, 1961 [April 29, 1960], No. 15052/60. Class 75 (4). A lamp cover assembly comprises a tinted light transmitting lens cover having at the centre one element of a readily releasable mechanical fastener, the other element of which is mounted at the centre of a deeper tinted light transmitting lens cover shaped to overlie the main portion of the first cover. The first cover 3 may comprise a yellow tinted thermoplastic moulding having a main portion 5 with a rear flange 6 furnished with an outwardly-extending lip 7 and having circumferentiallyspaced slits 8 for facilitating engagement with the lamp body, as described in Specification 857,607. A pair of washer like parts 14, 15 interconnected by tabs 16 are mounted on opposite sides of the cover 3 and carry a screw-tapped bush 17. A screwthreaded stud 18 is mounted on the outer cover 5, being secured by a circlip 20. Several interchangeable covers 5 may be provided.
Patent GB-238658-A (GB)
Title: Improvements in or relating to cocks, valves and the like
IPC: F16K1/42
Filed: 1924-06-23
Abstract: 238,658. Marshall, C., and Marshall, C. B., (trading as Clayton & Co., J.). June 23,1924. Seats. - A valve or cock 1 has a removable seating 6 with an externally-screwed extension 6<b> engaged by a correspondingly-threaded nut 8 securing the seating in place. The valve 11, of the mushroom type, is slidably and loosely accommodated in a hole in the spindle 10 and the latter can be displaced axially by a screwing action to open or close the valve. The valve seating 6 has an axial bore covered by the valve 11 and one or more radial holes 7 establish communication between the bore and the interior of the valve body. Notches, not shown, in a shoulder within the axial bore in the seat are engaged by a suitable tool when assembling the valve parts.
Patent GB-1158818-A (GB)
Title: Wax Compositions
Inventor: FAURE ALPHONSE
IPC: C08F10/00
Filed: 1968-03-29
Abstract: 1,158,818. Coated substrates. RHONEPOULENC S.A. 29 March, 1968 [30 March, 1967], No. 15148/68. Heading B2E. [Also in Divisions C3 and C5] Kraft paper and other substrates are coated with a composition comprising paraffin wax, microcrystalline wax, and of a terpolymer of ethylene, vinyl acetate and vinyl stearate (see Example 3(a)).
Patent GB-354842-A (GB)
Title: Improvements in brakes for use on vehicles
IPC: B60T8/40
Filed: 1930-05-17
Abstract: 354,842. Fluid pressure brakes. BOUGHTON, E. B., Brock House, Langham Street, London. May 17, 1930, No. 15231. [Class 103 (i).] A fluid-pressure brake system for vehicles of the kind in which a pedal or the like-operated piston transmits pressure to brake-applying pistons has combined therewith a pump driven by the road wheels which is adapted to apply, or to permit the application of, pressure to the brakes additional to a predetermined maximum such additional pressure being released if the pump ceases to work due to locking of the wheels. The master piston 1, Fig. 1, when actuated by the lever 6 and screw mechanism 9 forces liquid into brake-operating cylinders 10. A pump 19 driven from the road wheels and which as shown is of the sliding vane type, has its delivery pipe 20 connected to a cylinder 17 on one side of a spring- loaded piston 16, the other side of which is connected to the pipe system 12. If the wheels and the pump are not running, the maximum pressure that can be applied by the piston 1 is determined by the yielding of the spring 21 on the piston 16 but this pressure can be increased when the pump is running by the fluid-pressure exerted thereby on the upper face of the piston 16, this pressure falling off however by leakage through the pump or through a separate restricted passage if the pump ceases to work due to skidding of the wheels or other cause. The fluid-pressure due to the pump may be limited by a loaded relief valve. In another arrangement, Fig. 2, a spring-loaded piston 34 is adapted partly to close a valve 33 when a predetermined pressure is established by the piston 1 so as to restrict the flow through the pipe 30 by which liquid is normally freely returned to the reservoir 31 and thus cause pressure to be built up by the pump in a cylinder 21a the piston of which acts to increase the pressure on the piston 1, connected to the pedal 24. This additional pressure falls off by leakage if the pump ceases to work.