baber/WOPTO huggingface dataset:
Patent GB-895886-A (GB)
Title: Method of fabricating thin film gate conductors
IPC: H01L39/24
Filed: 1960-12-30
Abstract: 895886 Semi-conductor devices INTERNATIONAL BUSINESS MACHINES CORPORATION 30 Dec 1960 [30 March 1960] 44815/60 Headings H1A A5 and A4D A thin film super-conductive gate conductor of the type which comprises a layer of superconductive material, e.g. tin, deposited through a pattern mask on to a substrate, e.g. glass, the transition from super-conductivity to the resistive state is made more abrupt by dissociating the edges of the film from the rest by heating. A suitable temperature is about 80% of the melting temperature (i.e. about 190C in the case of tin) and this is maintained for one and one-half minutes. The treatment is said to cause the edges of the film, which are thinner than the rest, to form individual islands of material which are dissociated from the rest. The substrate may be baked prior to the evaporation of the layer. The Specification refers to the use of gate and control conductors of tin, lead, tantalum and niobium. Specifications 862178 and 889729 are referred to.
Patent GB-1461711-A (GB)
Title: Electrodes
IPC: B23K35/362
Filed: 1974-10-17
Abstract: 1461711 Consumable electrodes; casting composite articles; continuous casting CENTRO SPERIMENTALE METALLURGICO SpA 17 Oct 1974 [12 Nov 1973] 44938/74 Addition to 1454911 Headings B3F and B3R [Also in Division H5]  An electroslag remelting electrode consists of a plurality of concentric tubes 4, 5 the or each pair of adjacent tubes defining an annular cylindrical space 6 in which is a layer of metal powder 8 above a layer of sintered metal powder 7. Spacers 10 maintain the tubes separated. The electrode is used to put a surface layer 2 on a body 1. Current passes from the electrode to cooled mould walls 9 or base 3.
Patent GB-1013533-A (GB)
Title: Apparatus for manipulating tobacco particles especially tobacco leaves
IPC: A24B3/16
Filed: 1961-12-15
Abstract: 1,013,533. Conveying and orientating tobacco leaves. K. KÍRBER. Dec. 15, 1961 [Dec. 21, 1960 (2) ; May 16, 1961], No. 44989/61. Heading B8A. [Also in Division A2] Tobacco leaves (Fig. 3) are conveyed and orientated by vibrating conveyer 1; the conveyer trough being formed with shoot 18, elongate guide surfaces 39-42 having slotted openings 45, 46 and 47 therebetween, ducts 4, 5 and 6 the bottoms of which slope downwards, and discharge ducts 31, 30 and 32. In use, the tobacco leaves fall into shoot 18 and are advanced along and between the guide surfaces 39, 40, 41 and 42, fall through the slotted openings 45-47 into the channels 14, 15 and 16 beneath, and thence are discharged down channels 4-6 and pass out at 30-32 on to endless conveyer 38. The effect is to orientate the leaves in the direction of the channels so that they are discharged as shown on to the endless conveyer in a direction parallel to the direction of travel of the conveyer. Endless conveyer (Fig. 5).-Leaves falling down ducts 4, 5 and 6 discharge on to endless belt 9 and are moved rightwards till they come beneath endless mesh 111 to which they are transferred by suction head 112, the mesh conveying them leftwards for them to fall on to discharge belt 10.
Patent GB-1409342-A (GB)
Title: Chlorosulphonyl-substituted thioxanthone-2-carboxylic acids
IPC: C07D335/10
Filed: 1973-01-03
Abstract: 1409342 Chlorosulphonyl-substituted thioxanthone-2-carboxylic acids SYNTEX (USA) Inc 3 Jan 1973 [19 July 1972 21 Nov 1972] 45036/74 Divided out of 1409341 Heading C2C The invention comprises compounds of formula wherein one of X<SP>1</SP> and X<SP>2</SP> is chlorosulphonyl and the other represents chlorosulphonyl, hydrogen, C 1-5  alkyl, C 1-5  alkoxy, halo, hydroxy, mercapto, -S- alkyl (C 1-5 ), or -CF 3 .
Patent GB-1162994-A (GB)
Title: Improvements in or relating to Electric Switches
Inventor: RILEY TERENCE ALEXANDER
IPC: H01H35/14
Filed: 1966-10-10
Abstract: 1,162,994. Inertia switches; switch contacts. INERTIA SWITCH Ltd. 6 Oct., 1967 [10 Oct., 1966], No. 45136/66. Heading H1N. A conductive roller, e.g. a sphere 10, Fig. 6, or a cylinder (13, Fig. 8), rolls along a track comprising two parallel horizontal lengths of wire 9 (or 2), and at one or more positions along said track contacts a conductive wire 11 (or 3) which is horizontal, as in (Fig. 7), or vertical. The wires are extended through the mounting block 8, at 9a, 11a, for external connection. A magnet 12, Fig. 6, is provided at one or more positions along the track to bias the roller into engagement with the wire 11 but on impact, the ball 10 breaks away from wire 11 to interrupt the external circuit.
Patent GB-1015694-A (GB)
Title: Semiconductor switching circuit
IPC: H03K17/041
Filed: 1962-11-30
Abstract: 1,015,694. Automatic current control. MOTOROLA, Inc. Nov. 30, 1962 [Dec. 28, 1961], No. 45416/62. Heading G3R. [Also in Division H3] A circuit for switching current in an inductive load 10 comprises a pair of transistors 22, 24 arranged to be alternately conductive, the centre tap of the load 10 being connected to a supply 16 via an inductor 18, the voltage at the centre tap being limited by a Zener diode 36. Transistor 28 is turned off by a pulse at 31, the change in collector voltage being passed via resistor 142 to turn on transistor 26. The voltage change at the collectors of transistors 26, 28 is passed by emitter followers 266, 268 to reverse the conductive states of switching transistors 22, 24 so that the current in inductor 18 is diverted from winding 14 to winding 12, reversing the magnetic field of the load 10. The voltage developed across resistor 250 in the emitter circuit of transistor 22, 24 is proportional to current in coil 10. This voltage is compared with a reference source 134, the resultant being amplified by transistor 256 and used to control the clamping potential of diodes 152, 154 and hence control the pulse current in load 10. The windings 12, 14 may control magnetic core stores or ferrite isolators, circulators or modulators in microwave equipment. Figs. 1, 2 (not shown) relate to transistor switching circuits (see Division H3).
Patent GB-1087396-A (GB)
Title: Oxidation, sulphidation and lead corrosion resistant alloy
IPC: C22C19/07
Filed: 1964-11-06
Abstract: A cobalt base alloy comprises:- .Al.1 - 6% .Y.0.5 - 3.0% .Mn.0 - 2% .Si.0 - 0.5% .Cr.0 - 30% .W.0 - 16% .Mo.0 - 10% .Nb/Ta.0 - 12% .Fe.0 - 3% .Ni.0 - 10 .C.0 - 1% .P.0 - 0.04% .S.0 - 0.04% the balance, apart from impurities, being cobalt
Patent GB-1017573-A (GB)
Title: Improvements in or relating to drying racks
IPC: A47L19/04
Filed: 1963-11-18
Abstract: 1,017,573. Draining racks. J. M. WOLSTENHOLME. Nov. 16, 1964 [Nov. 18, 1963], No. 45471/63. Heading A4R. A draining rack, more particularly for hollow glass articles such as test tubes and flasks, comprises a plurality of article supporting rods 15 or the like projecting upwardly from a base 11 formed as a lattice of rods 12, 13 wherein the base 11 is provided with or attached to supporting brackets 19 (Fig. 1) or 26 (Fig. 4, not not shown) so formed in relation to the base 11 that the supporting rods 15 extend upwardly at an angle to the vertical. Brackets 19 (Fig. 1) with bracing members 25 may be integral with the base 11 and the brackets 19 may be secured to a wall or alternatively, the rack may rest on a horizontal support with the lower ends of the brackets 19 and the front cross-rod 13 serving as feet. In another embodiment (Fig. 4, not shown) the base 11 is detachable from end brackets 26 and is supported by lugs 30, 32 projecting laterally from the brackets 26, a stop 34 being provided on the base 11. The rods 15 may be hollow to permit the blowing therethrough of warm air.
Patent GB-1222919-A (GB)
Title: Electric switches
Inventor: BOERSMA RINTJE
IPC: H01H1/58
Filed: 1969-09-18
Abstract: 1,222,919. Connections to terminals. "COQ" N.V. 18 Sept., 1969 [15 April, 1969], No. 46145/69. Heading HlN. [Also in Division H2] A movable switching rod 1, Fig. 2, for a highvoltage switch, is connected to its terminal by an annulus of zig-zag bent strip metal 3 held within an annular recess, the inner bends 4<SP>1</SP> of the strip 3 being of split tubular form to improve the cooling. The adjacent faces of the strip 3 may abut and the tubular bends 4<SP>1</SP> may be symmetrical or to one side (as shown). The tubular bends 4<SP>1</SP> may also be slightly curved in a plane transversely of the strip 3 so that the strip edges do not engage the rod 1.
Patent GB-1065020-A (GB)
Title: The laying out of printed letters, numerals and characters for display or for photographic reproduction
IPC: G03F1/90
Filed: 1964-11-16
Abstract: 1,065,020. Photographic type-composing. H. M. POOK. Nov. 15, 1965 [Nov. 16, 1964], No. 46484/64. Heading B6W. [Also in Divisions G2 and G5] A master copy for use in phototype composing is produced by placing magnetic letters on a magnetic lay-out board in the desired arrangement, placing a receptor sheet on the letters and lifting off the sheets with the letters adhering thereto as the electrostatic or adhesive force between the letters and the board is greater than the magnetic force. A grid paper may be placed on the board to help alignment of the letters and is held in place with steel strips. The letters may be placed on the grid paper with a magnetic hand-tool and the steel bars removed. A transparent polymeric receptor sheet is then placed on the letters and rubbed so that the letters are electrostatically removed from the lay-out board to produce the master copy. Alternatively, a transparent receptor sheet coated with an adhesive may be used to remove the letters, the grid paper being treated with a silicone so that it is not removed with the letters.
Patent GB-1114098-A (GB)
Title: Improvements relating to manufacture of food products
IPC: A23G3/02
Filed: 1966-10-18
Abstract: 1,114,098. Moulding cellular food products. NESTLE'S PRODUCTS Ltd. 18 Oct., 1966 [18 Oct., 1965], No. 46535/66. Heading B5A. Cellular food products, e.g. chocolates and confectionery articles, are manufactured in a process which comprises placing the material while in a plastic state into a mould, passing the moulds through a sealed enclosure maintained at reduced pressure without any appreciable effect on the seal, in which the moulds are cooled, removing the moulds from the enclosure, fully solidifying the material and removing it from the mould. The sealed enclosure in the embodiment illustrated comprises a vessel 1 with a pump for reducing the internal pressure to about 50 mm. Hg absolute. A conveyer belt system 7, running over pulleys 7a, 7b, 7c, 7d, 7e, having metal plates pivoted at one end attached to it runs inside the enclosure, the plates being arranged so that they are always nearly horizontal even when the belt runs over the pulleys. The enclosure is cooled to about 10‹ C. by means of cooling pipes 80, 8b, 8c, 8d, 8e through which a liquid coolant is circulated. The moulds are fed in by dropping them into a slot in drawer 3, which is then pushed into the vessel 1 by a crank-arm 12 worked by pin 5 on wheel 6. At the same time a mould is extracted from the enclosure by means of a slot in drawer 9 and passes to a conveyer belt. The motion of the filling and emptying device is synchronized with that of the conveyer belt system 7. On entering the vessel 1, air enclosed in the confection on mixing expands to give the cellular structure; the mould remaining in the vessel 1 for sufficient time to allow setting of the confection.
Patent GB-1169873-A (GB)
Title: Improvements in or relating to Dental Handpieces
IPC: A61C1/05
Filed: 1966-10-19
Abstract: 1,169,873. Dental handpiece. DENTISTS' SUPPLY CO. OF NEW YORK. 19 Oct., 1966 [20 Oct., 1965; 5 Oct., 1966], No. 46863/ 66. Heading A5R. [Also in Divisions Fl and F2] A turbine cartridge for a dental handpiece comprises a rotor shaft 110 having a bore in one end to receive a dental tool 80, impeller means 96 upon the shaft, a pair of combination radial and thrust rotor bearings 112, 116 having conical outer bearing surfaces, and a pair of stator bearings 116, 124 having bearing surfaces complementary to those of the rotor bearings, the cartridge being characterised in that the rotor and stator bearings constitute air bearings supporting opposite ends of the rotor shaft the bearings being separable only axially to increase their clearance, the cartridge including resilient members 118, 122 disposed to urge the bearings of one pair only in an axial direction towards the other pair, the opposite end portions of the bearings of the. said one of said pairs having surfaces thereon engageable by positioning means in the head of the dental handpiece into which the cartridge may be fitted. As shown, the cartridge is assembled in the head (16) of a handpiece (Figure 1, not shown), the cartridge being held in the handpiece by a screw-sown cap 88 with a part spherical surface 128 of the lower stator bearing 116 engaging the handpiece housing 130 and a part spherical surface 128 of the upper stator bearing engaging a a positioning surface 132 on the screw-down cap. The stator bearings 116, 124 are formed of a self-lubricating material, e.g. compressed graphite or solid carbon. A spacer sleeve 120 surrounds the turbine impellor 96 and supports resilient spring washers 118, 122 which urge the stator bearings 116, 124 away from each other and the cartridge is initially assembled with the air bearing surfaces in contact with each other, further screwing down of the cap 88 causing the surfaces to separate against the thrust of the washers so as to form air bearing gaps. Filtered air for driving the impellor is provided through a tube (32) in the handpiece, through a plenum chamber (38) in the handpiece, and through a further bore (92) onto the impellor blades. Exhaust air passes away through the handpiece via a tube (42), a chamber (50), and a silencer muffle (160, 162) Air for the bearings is provided from the plenum chamber via bores 98, 100, manifolds 102, 104, and apertures 148 in the stator bearings, and is exhausted with both the air from the impellor and also through apertures 152, 158 in the top and bottom of the handpiece head. Further conduits (52, 54, 60, 62) supply air and water to a chamber 72 in the handpiece head so that it issues through bores 74, 78, together with the air from the aperture 158, as a spray of mist directed towards the end of the dental tool.
Patent GB-1048055-A (GB)
Title: Improvements relating to photographic emulsions
IPC: G03C1/34
Filed: 1964-11-18
Abstract: 1,048,055. Photographic silver halide emulsions. E.I.DU PONT DE NEMOURS & CO. Nov. 18, 1964 [Dec.27, 1963], No.47017/64. Heading G2C. Light-sensitive emulsions comprise silver halide grains dispersed in a water-permeable, macromolecular organic colloid binder and contain glucono-delta-lactone, pantothenic or a salt thereof e.g. the calcium salt, pantoyl lactone or DL-pantothenol, or more than one such compound, as a stabilizer. The compound may be added after digestion of the emulsion and before coating.
Patent GB-1452963-A (GB)
Title: Horizontal deflection circuit for television receivers
IPC: H04N3/22
Filed: 1973-10-09
Abstract: 1452963 DC-DC converters INTERNATIONAL STANDARD ELECTRIC CORP 9 Oct 1973 [17 Oct 1972] 47040/73 Heading H2F [Also in Division H3] The invention relates to a line time-base of the type comprising a deflection unit 7 comprising a switch carrying deflection current, a commutating circuit 9, 6 and including a switch 5, for diverting current from the deflection unit switch to turn it off and an inductor 2 which stores energy when the commutating switch is conductive and passes energy to the deflection unit to restore losses. According to the invention, a switch 4 connected in series with the supply has its conduction period controlled by the deflection unit to maintain steady an output of the circuit, e.g. an EHT output. Switch 4 becomes non-conductive when, after switch 5 goes off, the oscillation in the circuit reduces the current to zero. A pulse derived from a circuit variable, e.g. fly-back pulse, makes the switch conduct and by varying this instant the duration of current flow to the inductor is varied. Where a television receiver derives its power supplies from the time-base the receiver may be switched off by preventing thyristor 4 conducting.
Patent GB-1452123-A (GB)
Title: Straw and method for preparing same
IPC: B29C59/04
Filed: 1973-10-11
Abstract: 1452123 Drinking straws or containers S G ZUBALIK 11 Oct 1973 47436/73 Heading B8C [Also in Division C6] A beverage can or bottle has a flattened straw attached to it, the straw walls each bearing two sets of impressions arranged in parallel, those of one wall overlying those of the other, so that a square section is produced by pressing the edges of the straw. The impressions may be in the form of indicia and the straw may be enclosed in a sealed wrapper, and may be bent or folded for mounting on the can or bottle.
Patent GB-1403824-A (GB)
Title: Conveyor and drive means therefor
IPC: B65G17/06
Filed: 1973-10-11
Abstract: 1403824 Endless conveyers MATHEWS CONVEYER CO Ltd 11 Oct 1973 [22 Nov 1972] 47489/73 Heading B8A Pallets 11 of an endless conveyer are driven by blocks 44 mounted between chains 37, each block during the upper run of the chains engaging a block 25 of an eye and clevis coupling 24, the block 25 is welded to a plate 21 secured to the underside of an associated pallet 11. The other parts of the coupling comprise a post 29 and a rod 22 welded to the plate 21 of the adjacent pallet 11. Each pallet is supported on rollers 12 and is guided by rails 16, 47 which engage a roller 15 also mounted on the post 29. The chains 37 are motor driven through reduction gearing and are supported on plates 46. Side guards (14, Fig. 8, not shown) and the posts 29 may be removed for maintenance of the drive system.
Patent GB-1386762-A (GB)
Title: Method of forming impurity diffused junctions in a semiconductor wafer
IPC: H01L21/316
Filed: 1973-10-11
Abstract: 1386762 Semi-conductor devices MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 11 Oct 1973 [11 Oct 1972 (3)] 47515/73 Heading H1K Impurity is diffused into an AIIIBv compound semi-conductor wafer by forming an oxide layer containing the impurity on selected areas of the wafer, forming an oxide layer containing the AIII metal present in the compound over the first oxide layer and the parts of the wafer remaining exposed, and then heating to cause the impurity to diffuse. Though the method is applicable to diffusion of cadmium, selenium, tellurium, and tin into GaAs, GaP, GaAsP and InP the embodiments involve the diffusion of zinc into a 110 face of an N-type GaAs wafer containing 2 x 10<16> atoms/ c.c. of tellurium. In one method, after lapping and etching, a solution containing silicon acetate and a compound of zinc is applied by spinning and heated to convert the acetate to oxide. After pattern etching gallium doped silica is applied overall by a similar technique and diffusion effected by heating at 800 C. In one alternative method, the zinc doped layer also includes gallium, while in another a gallium doped silica layer is deposited before the zinc doped layer and patterned as the layer. Alumina may replace silica in the oxide layers, which may alternatively be formed by pyrolysis, vapour deposition or sputtering.
Patent GB-1246733-A (GB)
Title: Salts of aminoquinaldine derivative and preparation thereof
Inventor: DOPPSTADT ADOLF
IPC: C07D215/46
Filed: 1969-09-26
Abstract: 1,246,733. Antibacterial &c compositions. RAVENSBERG G.m.b.H. CHEMISCHE FABRIK. 26 Sept., 1969, No. 47585/69. Heading A5B. [Also in Division C2] Pharmaceutical compositions having bactericidal and fungicidal activity comprise a neutral acid addition salt of N, N'-di-(4-quinalidinyl)-1, 10-diaminodecane which has the formula:  with benzoic, salicylic, undecylenic, lactic or tartaric acid, together with a pharmaceutical carrier. Preferred salts are those formed with acids which are themselves used in dermatology, namely benzoic, salicylic and undecylenic acids. The compositions may be administered topically.
Patent GB-1387070-A (GB)
Title: Ball propelling target game apparatus
IPC: A63B65/12
Filed: 1972-10-17
Abstract: 1387070 Target game; projecting device M I GLASS [trading as MARVIN GLASS & ASSOCIATES] 17 Oct 1972 [8 Dec 1971] 47810/72 Headings A6D and A6H A game apparatus includes a frame 10 with pivotable targets 20a (at which beanfilled bags (24) may be thrown), the frame including a receptacle 16 for receiving projectiles 18 and there being provided projector arms 20b integral with the targets 20a, so that upon striking of the targets 20a, the projector arms 20b are pivoted and enter the bottom of the receptacle 16 to launch a projectile 18 therefrom. The projectile may be a ball 18 and a spiral ramp 16b may be provided to supply balls 18 one at a time to a launching position 16a in the receptacle 16.
Patent GB-1010356-A (GB)
Title: Improvements in or relating to cash desks and the like
IPC: A47F9/04
Filed: 1963-12-04
Abstract: 1,010,356. Cash desk. TRABOLAGET I. MALMO A.B. Dec. ,4, 1963 [Dec. 4, 1962], No. 47958/63. Heading A4T. A cash desk comprises compartments 14-16 with partitions 13a, 13b carrying guide bars 22a, 22b whereby goods are guided off conveyer 18 into a selected compartment, the bars being linked with back-lash at 31a, 31b to a plate 26 rotatable on a pivot 25 above the conveyer and carrying a change and/or stamp dispenser 27 discharging into a tray 28-30 associated with the selected compartment. In a second embodiment, the change is carried into its tray by a conveyer on the plate. The bars may have vertically self-adjusting skirts rubbing on the conveyer as the bars sweep above it, and catches 32a, 32b holding the bar in their side positions.
Patent GB-1326225-A (GB)
Title: Method of recovering water-soluble non-ferrous metal sul phates from sulphurbearing ores
IPC: C22B3/06
Filed: 1970-10-08
Abstract: 1326225 Non-ferrous metal sulphate recovery CYPRUS MINES CORP 8 Oct 1970 [10 Nov 1969] 48010/70 Heading C1A Soluble non-ferrous metal sulphates are recovered from sulphur-bearing pyrite ores by: providing an aqueous slurry water and finely divided sulphur-bearing pyrite and containing non-ferrous metal sulphides, the slurry containing an amount of sulphate sulphur as ferric sulphate stoichiometrically equivalent to the amount of non-ferrous metals to form sulphates of the non-ferrous metals, heating the slurry and passing gas containing free oxygen therethrough at above atmospheric pressure for a period of time to convert the insoluble non- ferrous metal sulphides into water-soluble sulphates and produce ferric sulphate and enough sulphuric acid to oxidize ferrous sulphite to ferric sulphate and controlling the amount of gas containing free oxygen passing through the slurry to keep both the sulphuric acid and ferric sulphate concentrations in the slurry to below 50 g. per litre the sulphur values content as per cent sulphur of the slurry's solids being at least 6% by weight. The feed material is processed in a slurry mill at from 25 to 50% by weight solids and is then transferred to rubber-lined pre-heat tanks at a temperature of 150‹ to 200‹ F. at atmospheric pressure. The pre-heated slurry is then pumped into rubber lined autoclaves at a pressure of 60 to 120 p.s.i.g. for the oxidative leaching which is carried out at 158‹ to 250‹ F. Air, the most pprolical oxidizing agent, can be supplied to the slurry most effectively by subsurface injection of the air with mechanical dispersion of the gases in the slurry. The air is metered into the heated pressurized slurry at a rate of more than about 100 standard cu. ft. per min. per 1000 cu. ft. of slurry. The off gas must be bled off at approximately the same rate. The leaching which lasts at least 2 hours, is preferably continued until at least 90% of the non-ferrous metal values are converted into soluble values. Finally the slurry is cooled, filtered and the solid residue washed with water.