baber/WOPTO huggingface dataset:
Patent GB-1220311-A (GB)
Title: Improvements in or relating to the manufacture of magnesium-aluminium spinel crystals
IPC: C30B11/10
Filed: 1969-05-02
Abstract: 1,220,311. Magnesium aluminium spinel crystals. SIEMENS A.G. 2 May, 1969 [6 May, 1968], No. 22463/69. Heading C1A. [Also in Division H1] A magnesium aluminium spinel crystal having a part of stoichiometric composition substantially free of other phases and stresses is prepared by the Verneuil liquid boule process in which finely divided magnesium aluminium spinel powder is supplied continuously to a heated zone where it is melted and brought into contact with the molten tip of a carrier crystal being made to cool and crystallize on this tip by withdrawing the carrier crystal from the heated zone at a rate corresponding to the supply of powder, and the process is characterized by using an alumina rich magnesium aluminium spinel for the carrier crystal and by using during the growth of the crystal a magnesium aluminium spinel powder which changes from an initial composition corresponding to that of the carrier crystal to a final composition corresponding to the stoichiometric composition. Preferably a spinel crystal having a ratio of MgO: Al 2 O 3  of 1: 3À1 is used as the carrier crystal. The alumina content of the spinel powder supplied to the heating zone may either be decreased continuously during growth of the crystal until the stoichiometric composition is reached or the composition of the powder may be decreased in a series of steps. For example, the powder has an initial composition of 1: 3À1, which is then changed to 1: 2À5, then to 1: 1-7 and finally 1: 1. If desired, a small amount, e.g. 0À1% by wt. of TiO 2  powder, may be added with the spinel powder. The diameter of the crystal produced is preferably the same as the carrier crystal. The stoichiometric portion may be separated from the crystal produced, the carrier crystal also being separated and retained for re-use. The magnesium aluminium spinel crystal produced by the process of the present invention is utilized as a substrate for epitaxially deposited semi-conductor material, e.g. Si. It also may be used as a substrate for integrated circuits. The magnesium aluminium spinal powder fed to the process is obtained by firing ammonium aluminium alum and magnesium aluminium sulphate at 1200 C. in a quartz crucible for two hours.
Patent GB-155036-A (GB)
Title: Improvements in and connected with apparatus for drawing beer and the like
IPC: B67D1/14
Filed: 1919-09-13
Abstract: 155,036. Williams, W. V. Sept. 13, 1919. Beer pumps.-The lever of a beer or like pump is connected to the piston-rod F of an air-pump A pivoted on an arm B, so that, when the lever is depressed to draw off beer &c., a jet of air is delivered by a flexible pipe D and nozzle C on to the surface of the beer. Where a number of beer pumps are in use the pump A may be replaced by a compressed-air main connected to the nozzles C and provided with taps actuated by the beer engines.
Patent GB-1304640-A (GB)
Inventor: EDMONDSON R N
IPC: B22D7/00
Filed: 1971-04-19
Abstract: 1304640 Casting processes INLAND STEEL CO 19 April 1971 [12 March 1970] 22585/71 Heading B3F [Also in Division C7] A method of casting rimming steel ingots in a bottle-top mould, which includes adding to the ingot a substance which produces noxious fumes, comprises partially filling a bottle-top ingot mould 12 (e.g. to a level 15), leaving the mould neck 13 empty and allowing the steel to rim to the extent desired, adding the fumeproducing substance to the rimming metal in the mould and filling the mould neck 13 with a further charge of rimming steel, or effecting addition of the fume-producing agent and the further rimming steel charge concurrently, and immediately placing a cap 20 on top of the mould neck 13 to depend into and freeze the surface of the further rimming steel charge. In order that the upper surface of the first rimming steel charge does not rise into the mould neck 13, no addition of deoxidizing agent should be made to the steel in the ladle or mould. Specific fume-producing agents mentioned are As and P as well as the machinability improving elements, Te, Se, S, Bi. The method cannot be advantageously employed for Pb addition.
Patent GB-297666-A (GB)
Title: Improvements in and relating to a process for manufacturing phonograph records
IPC: G11B3/70
Filed: 1927-10-31
Abstract: 297,666. Bancarel, C. Oct. 31, 1927. Divided on and addition to 295,228. Records, blanks for.-In the process of manufacturing sound-record discs claimed in the parent Specification, wood, or fibrous sheet material such as woven fabric, is used instead of cardboard as the basis for the record blanks.
Patent GB-885870-A (GB)
Title: Detergent compositions
IPC: C11D1/831
Filed: 1960-06-28
Abstract: An aqueous detergent composition comprises (a) an alkylbenzene sulphonate in which the alkyl groups, which contain 8-13 carbon atoms, are derived from olefins obtained by cracking paraffin wax or high molecular weight hydrocarbon materials rich in paraffin hydrocarbons and (b) an alkylphenol polyglycol ether derived from a monoalkylphenol containing 7-10 carbon atoms in the alkyl group, or from a dialkylphenol in which one alkyl group is methyl and the other contains 7-10 carbon atoms, by condensation with at least 13 molar proportions of ethylene oxide.  It is preferred that (a) be a mixture in which all the numbers of carbon atoms in the alkyl group are represented in substantially equimolar proportions, that (b) is also a mixture of polyglycol ethers in which the alkyl groups are derived from branched olefine, e.g. isobutylene dimer or propylene trimer, and that the polyglycol ethers (b) be condensed with not more than 25 molar proportions of ethylene oxide.  In general, the ratio (a):(b) is 80:20 to 60:40 by weight. The composition may also include sec. alkyl sulphates containing 8-18 carbon atoms, alcohols such as ethanol, butanol or pentanol, urea, alkali metal or ammonium sulphate, condensates of fatty alcohols having more than 6 carbon atoms with ethylene oxide, persulphates, perborates, percarbonates, optical bleach, and foam promoters or stabilizers, generally in amounts of 5-20% by weight of the total of (a) and (b).  The composition may be formulated at a concentration suitable for storage, so that it has to be diluted with water before use. Specification 783,469 is referred to.
Patent GB-306365-A (GB)
Title: Vehicles propelled by steppers
IPC: B62D57/00
Filed: 1928-08-03
Abstract: 306,365. Ehrlich, A. Aug. 3, 1928. Propelling by means other than adhesion driving wheels and racks.-Tractors are propelled by mechanical legs 8, 25, having pivoted feet 33. The parts 8 swing on a transverse shaft 7, and are operated by links 23 having pins 22 running in grooves in a cam disc 15. The lower parts 25 have knees 31 connected by links 32 to bell-cranks 29 similarly operated by a cam disc 13. The feet are operated by links 34 connected to projections 35 at the back of the knees and carried by the parts 8. A trailer may be hitched on to a hock 38 carried by a yoke 36 pivoted at a to the casing 5.
Patent GB-422226-A (GB)
Title: Improvements relating to the production of laps, fleeces or the like of fibrous material and pads or the like made therefrom
IPC: D04H1/72
Filed: 1933-08-14
Abstract: 422,226. Forming laps, fleeces, &c. of fibrous material. RACCOLTA AKT.- GES., 7, Stadthausquai, Zurich, Switzerland, and BUNZL, H., 51, Himmelstrasse, Vienna. Aug. 14, 1933, No. 22658. [Class 120 (i)] [See also Group VIII] In the production of laps, fleeces, &c., of fibrous material the partly unravelled cellulose or wood pulp is fed at 37, Fig. 1, into the first of a number of separator chambers 9<a> .. 9<d>, employed in series, the material being opened by rotating beaters 38 and the loosened fibres, under the action of an air current rising from nozzles 11, being collected on a circulating filter sieve 12 which is moved across the top of the series of chambers and is under suction applied through a pipe 16. The sieve 12 may be provided with covering strips 18 to form detached pads on the portions 17, Fig. 2. The fleece 19 is covered with bands 20, 21 of paper or fabric the covered fleece then passing successively between rollers 27, 28, Fig. 1A, while supported by bands 25, over a bridge 29 and a band 30, between rollers 32, 33 and over a band 35. To divide the lap laterally the roller 27 may be formed with a central edge bearing on a smooth roller 28. Alternatively. they may be formed as interengaging knurled rollers, or a circular knife may be arranged between two adjacent knurled rollers 27. The roller 32 may similarly be formed with a transverse knife or knurled strip to cut off longitudinal portions. The air introduced at 11, Fig. 1, may be heated, moistened or charged with a binding medium while the edges of the composite product may be closed together with latex or by pressure only. For bandages &c., one of the coverings 20, 21 may be liquid proof while a superior product may be obtained by covering the compound sheet with layers of longer fibres, e.g. cotton.
Patent GB-1499748-A (GB)
Title: Electrode for arc welding
IPC: B23K35/368
Filed: 1975-05-23
Abstract: 1499748 Welding by fusion; making welding electrodes LA SOUDURE ELECTRIQUE AUTOGENE PROCEDES ARCOS SA 23 May 1975 [17 June 1974] 22765/75 Headings B3A and B3R A consumable electrode, for open or gasshielded (with inert and/or CO 2  and possibly added O 2 ) are welding, e.g. with straight polarity, comprises a core produced by forming a powder mixture of 4-8 wt. per cent FeMn, 4-8 wt. per cent FeSi (e.g. 45% Si) or up to 7 wt. per cent CaSi, 10-20 wt. per cent CeF 2  or NaF, KF or both, up to 6 wt. per cent CaCO 3  or up to 5 wt. per cent other alkaline earth metal carbonate or MgO, up to 2 wt. per cent SiO 2  or Al 2 O 3  or potassium feldspar, up to 2 wt. per cent potassium titanate, balance Fe powder, either agglomerating said powder mixture with a liquid alkali metal silicate or silicates, e.g. 4-12 grams 30 Baume per 100 grams mixture, or mixing the powder mixture with 1-3 wt. per cent of one or more dry powdered alkali metal silicates, heating at at least 600 C. for at least two hours such that the mixture is not sintered, filling the paste or powder (sieved through 100 ASTM mesh) into a continuous strip or tube, and forming the latter into a continuous electrode. Preferably, the powder mixture to sheath weight ratio is 30-60 to 100.
Patent GB-402549-A (GB)
Title: Apparatus for the operation of a battery of horizontal chamber ovens for the production of coke and gas
IPC: C10B5/02
Filed: 1932-08-15
Abstract: 402,549. Coke ovens. STILL, C., Recklinghauson, Westphalia, Germany. Aug. 15, 1932, No. 22827. Convention date, Aug. 29, 1931. [Class 51 (ii).] In a coke-oven battery having regenerator tunnels running longitudinally thereof, the tunnels and the foundation channels for the supply of air and exhaust of waste gases are divided by transverse partitions into sections each connected to a small group of say, four ovens, which can be cut out of action independently of the other, groups. In the construction shown in Fig. 2, which is a section through the foundation flues of a battery having eight regenerator tunnels, the two outer pairs serving normally for preheating lean gas and the inner pairs for air, the inner pairs are connected to the air supply and waste gas mains k through dampered channels p, q, while the outer pairs are subdivided into as many compartments as there are heating-walls, and these compartments are connected to the mains k through horizontal flues and elbow fittings.
Patent GB-626195-A (GB)
Title: Improvements in ventilators for fowl houses and the like
IPC: A01K31/00
Filed: 1947-08-18
Abstract: 626,195. Ventilators. KENT, A. B. Aug. 18, 1947, Nos. 22838 and 26104. [Class 137] A ventilator for a fowl house comprises slats which are hinged together along longitudinal edges, the slats being either in contact to close the ventilator or spaced by a variable slit, produced by the hinging action of the slats, a variable ventilating effect being thus obtained. Fig. 1 shows a ventilator on the ridge of a fowl house or the like, two pairs of hinged slats 1, 2 being placed on either side of the ridge and parallel to it. The hinge 4 is on the inside of the slats and the lower slat is hinged at 5, on the outside, to the roof 3 of the fowl house. The upper slat 1 is hinged at 6 to a member 7, supported in its lowest position, i.e., when the hinges are " open," by members 12, and extending between each pair of slats to cover an opening 8 along the ridge of the roof. If the slats are moved by the handle 10, apertures 9 are formed through which air can pass. If the ridge be above the normal reach, the slats are operated by rods, connected to brackets secured to the slats. When applied to an opening in the side of a fowl house, of the two slats, hinged together longitudinally, the upper is hinged directly to the house or to a fixed member attached to the house, the lower slat being hinged on the outside to a movable slide placed on the outside of the house. In a modification one or more sets of slats, mounted in a frame to be secured in an opening in the floor or ceiling has the centre of each set pivoted at each end in the frame, the ends of the two slats hinged to the centre one having pivots which slide in slots extending across the ends of the frame. When the centre slat is angularly adjusted, the pivots of the outer slats will move along the slots and thus permit the passage of air through the frame. An alternative form of ventilator for the side of a fowl house has its upper slat fixed to a frame and a lower slat may be raised upon a guide, thus permitting flow of air. Where four hinged slats are used for this purpose the lowermost slat follows a guide and is retained in engagement with the stepped surfaces of this guide by means of an abutment positioned behind the slat.
Patent GB-632638-A (GB)
Title: Improvements in and relating to a process for sensitising photographic emulsions
IPC: G03C1/18
Filed: 1945-09-06
Abstract: 2 - (b  - Methoxy : b  - methylvinyl) - benzthiazole ethyl methyl sulphate is prepared by refluxing together 2 - acetylmethylene - 3 - ethyldihydrobenzthiazole and dimethyl sulphate in benzene, 2 - (b  - methoxy : b  - methylvinyl) - a  - naphthathiazole ethyl methyl sulphate, 2 - (b  - methoxy : b -methylvinyl)-benzthiazole benzyl ethyl sulphate, 2 - (b  - methoxy : b  - methylvinyl) - benzthiazole dimethyl sulphate, 2 - (b  - ethoxy : b  - methylvinyl) - benzselenazole methyl ethyl sulphate, 2-(b  - ethoxy : b  - methylvinyl) - 6 - methylbenzthiazole methyl ethyl sulphate, 2-(b -ethoxy : b -methylvinyl) - benzthiazole ethiodide, 2 - (b -methoxy : a  : b  - dimethylvinyl) - benzthiazole ethyl methyl sulphate, 2-(b -carboxymethoxy : b -methylvinyl)-benzthiazole ethochloride, and 2-(b -methoxy : b  : methylvinyl) - a  - naphthathiazole dimethyl sulphate are similarly prepared.ALSO:Mesoalkoxy-substituted carbocyanine dyes of the general formula <FORM:0632638/IV (c)/1> wherein Y and Z represent the same or different atom groupings to complete 5- or 6-membered heterocyclic rings, R is alkyl or substituted alkyl, R1 and R11 are the same or different alkyl, substituted alkyl, aryl, or aralkyl, R111 is hydrogen or alkyl, and X is an acid residue, are prepared by condensing a 2-(b -methyl-b -alkoxyvinyl)-cyclammonium salt of the general formula <FORM:0632638/IV (c)/2> with a cyclammonium quaternary salt having in the a - or g -position to the quaternary nitrogen atom a group capable of reacting with the quaternary N atom.  3 : 31-Diethyl-9-methoxyoxathiacarbocyanineiodide is prepared by refluxing together 2 - (b  - methyl : b  - methoxyvinyl)-benzthiazole ethyl methyl sulphate and 2-methylmercaptobenzoxazole ethyl-p-toluenesulphonate in acetic anhydride containing triethylamine, and adding aqueous K1 solution. 3 : 31 - Diethyl - 9 - methoxy - 41 : 51 - benzoxothiacarbocyanine bromide, 3 - methyl - 31-benzyl - 9 - ethoxyoxathiacarbocyanine methyl sulphate, 3 : 31 - dimethyl - 9 - methoxythiacarbocyanine bromide, 3 : 31 - dimethyl - 9-ethoxyselenathiacarbocyanine iodide, 3 : 31 : 6-trimethyl - 9 - ethoxy - 51 - methylmercaptothiathiazolocarbocyanine iodide, 3 : 31 - diethyl-9 - carboxymethoxythiacarbocyanine perchlorate, 3 : 31 - diethyl - 9 - ethoxythiacarbocyanine iodide, and 11 - ethyl - 3 - methyl - 4 : 5 - benzthia - 21 - quinocarbocyanine iodide are similarly prepared.
Patent GB-1217988-A (GB)
Title: Improvements relating to transport containers
IPC: B65D88/12
Filed: 1969-05-06
Abstract: 1,217,988. Vehicle roofs. WAGGONFABRIK TALBOT. 6 May, 1969 [8 May, 1968], No. 22953/69. Heading B7L. A transport container 1 for, e.g. a rail vehicle has a longitudinally displaceable sliding roof 2 guided on its longitudinal sides, and formed from a strong flexible sheet of synthetic material and/or metal having a smooth surface, the roof being displaced from the closed position, by means of a drive, to beyond an end wall 1a of the container 1 where it may be folded vertically or horizontally on means which are swingably and/or slidably mounted on the container. The roof has on its underside a number of spaced wooden slats 2a normal to the longitudinal axis of the roof 2 and the drive comprises an endless belt 8, having dogs 9 to engage the slats 2a, mounted on a pair of pulleys 7, one cf which is driven by a chain 6 operated by a crank 4. A pair of U-shaped members 10 are pivoted to pins 12 in recesses 11 in the end wall 1a to rotate about vertical axes, and when pivoted away from the end wall they act as a frame to support the folds of the roof in the open position, Fig. 4. In another arrangement, Figs. 5, 6, 8, 9 (not shown), and Fig. 7, the end of the roof is attached on each side to one end of a lever 13 which is pivoted at 14 to swing out into a horizontal position as the roof is removed, the roof forming a vertical fold. Also attached to the roof on each side about half-way along are a pair of slides 15 which, on reaching the end wall 1a project therefrom to an extent limited by a pin 16 on the slide 15 engaging a stop 17 on the container, enabling a second vertical fold to form. In a further arrangement, Figs. 10, 11, 13 (not shown), and Fig. 12, the end of the roof 2 is attached at each side to a U-section slide 19 which on operation of the crank 4 projects horizontally from the end wall 1a, a pin 20 on the slide 19 engaging a stop 17. The slides 15 attached to the roof as before are adapted to slide within the slides 19 as shown, Fig. 12. In each case the extent of opening the roof 2 is limited by lugs 2b on the end of the roof 2 engaging a stop 1d on the container. When the roof 2 is closed, none of the apparatus projects beyond the end wall 1a.
Patent GB-421206-A (GB)
Title: Improvements in or relating to single phase capacitor type induction motors
IPC: H02P1/44
Filed: 1933-08-17
Abstract: 421,206. Induction machines. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, BALL, R. D., and SCARF, C. T., Phoenix Works, Bradford, Yorkshire. Aug. 17, 1933, No. 22988. [Class 35] [See also Group XXXVII] The change from starting to running connections of the starting winding 2, Fig. 1, of a singlephase capacitor motor, is automatically made by a contactor 4, the coil 4<a> of which is controlled by a centrifugal switch 3. The contactor may open the circuit of the starting winding, or increase its impedance by cutting out one of two parallel-connected condensers, or by opening a short-circuit about one of two series cormected condensers. Alternatively, the contactor may change the tapping on an auto-transformer, across which a condenser in the starting winding circuit is connected, or cut out a section of the starting winding. In further arrangements, two sections of the starting winding or two condensers may be changed from series to parallel connection. The contactor may, in addition, cut out impedance in the running winding circuit, or regroup sections of the running winding. An arrangement is shown in Fig. 5 in which condensers 5, 5<a> are changed from parallel connection in the circuit of the running winding 1, to series connection in the circuit of the starting winding 2, the winding 1 being reversed. Where several circuits have to be controlled, individual contactors may be provided all controlled by one centrifugal switch. The contactor may be energized during starting and de-energized by the opening of the centrifugal switch for running. The invention is applicable to commutator type multiple-speed single-phase motors operated as described in Specification 384,895. Specifications 386,503, 386,512, 389,056 and 405,105 also are referred to.
Patent GB-1306188-A (GB)
IPC: E21D5/012
Filed: 1971-04-19
Abstract: 1306188 Shaft linings GUTEHOFFNUNGSHUTTE STERKRADE AG 19 April 1971 [27 Feb 1970] 23019/71 Heading E1F A mine shaft lining fabricated in situ by welding together steel sheets along joints 4, 19, is kept dry during welding by a shield casing 3 lowered down the shaft to surround the weld joints. The lowermost section 12 of the lining is mounted on a foundation ring 10 surrounded by a packing 11. The section 12 forms an annular sump 16' for ground water. During construction of the foundation, an auxiliary pumping platform (15, Fig. 2, not shown) is mounted in contact with the shaft walls so that water running down the walls runs into an annular sump (16) on the platform.
Patent GB-1191303-A (GB)
Title: Apparatus and Method for Analyzing Engine Exhaust Gas
Inventor: CLINE EDWIN LEE
IPC: G01N27/18
Filed: 1967-05-18
Abstract: 1,191,303. Centrifugal separators. CLAYTON MFG. CO. 18 May, 1967, No. 23065/67. Heading B2P. [Also in Division G1] A centrifugal separator for separating a water/gas mixture comprises a body 190 with an inlet nipple 186 leading to an inlet chamber 208 to which the water/gas mixture is fed under pressure, the mixture passing downwardly over two nested frusto-conical members 222, 226, the outer member 222 being provided with vanes 224 which impart a swirling motion to the incoming mixture, the water falling into a bowl 198 secured to the body 190 and leaving by way of an outlet 204, and the gas passing upwards through the frusto-conical member 226 to a gas outlet chamber 206. The frusto-conical members are held in place by a nut 246 on a central bolt, the nut engaging a sleeve 242 in turn engaging an apertured spider 240 holding the two members 222, 226 in place. The separator is used in the separation of water from engine exhaust gas, the water being used to cool the gas and to remove any solid contaminants therefrom before subsequent analysis of the gas.
Patent GB-445234-A (GB)
Title: Improvements in or relating to mechanical roasting furnaces
IPC: F27B1/10
Filed: 1935-08-16
Abstract: 445,234. Ore - roasting furnaces. AKTIESELSKABET DANSK SVOVLSYRE- & SUPERPHOSPHAT-FABRIK, 15, Amaliegade, Copenhagen, and LARSEN, K. J., Fredericia, both in Denmark. Aug. 16, 1935, No. 23106. [Class 51 (ii)] In a superposed-hearth furnace for roasting ores having, above the uppermost burning hearth, a drying hearth b over which the ore is moved towards a feeding device by rabbles d, e secured to the central furnace shaft c, the feeding device is mounted in the body of the drying hearth itself and consists of a rotary pocketed drum h driven from the shaft c. The drum h is rotated within a box j, having relatively displaced inlet and discharge openings g, k, by a vertical shaft m which is driven, through toothed gears n, p, q, by the engagement with the latter gear of vertical pins removably positioned in a series of holes in 'two rings s secured to the shaft c. By varying the number of pins used the speed of the drum h, and therefore the rate of supply of dried ore to the first burning hearth can be regulated. To prevent escape of fumes through the feeder and also overheating thereof, a jet of cold air under pressure is delivered at x.