baber/WOPTO huggingface dataset:
Patent GB-992372-A (GB)
Title: Purification of hexamethylenediamine
Filed: 1963-10-18
Abstract: Liquid hexamethylenediamine is purified from aliphatic, aromatic and cyclic amines, amides, and imines and ammonia, by adding to the mixture a solution of a miscible solvent and a compound soluble therein, the compound being that of a metal of co-ordination number 4, 6 or 8 and an anion forming a solvent-soluble compound, the amount of solution being sufficient to provide a mol. ratio of solvent soluble compound cation to nitrogen-containing impurity in excess of 0.1; the insoluble reaction product, containing the nitrogen impurity, is then removed.  The only solvent specified is water; specified metals are Pt, Pd, Ni, Cu, Au, Zn, Cd, Ag, Hg, Co, Cr, Fe, Rh, W and U; specified anions (when the solvent is water) are halogen, sulphate, sulphite, phosphate and acetate.  A common impurity is 1,2-diaminocyclohexane, and in this case the insoluble reaction product may be thermally decomposed to obtain 1,2-diaminocyclohexane.
Patent GB-1080090-A (GB)
Title: Improvements in the fused salt electrolysis of alumina
IPC: C25C3/14
Filed: 1963-11-26
Abstract: In a process for the fused salt electrolysis of alumina as in the parent alumina is added to the bath by breaking the crust by vertical displacement of the anode, the amplitude of displacement being between 1 and 2 cms and the anode being returned to its original position after displacement. The displacement may be effected for a period of 2-5 seconds and intervening rest periods should be from 20-200 times the period.
Patent GB-967961-A (GB)
Title: Clothes' drying apparatus
IPC: D06F57/04
Filed: 1960-12-01
Abstract: 967,961. Clothes airers. R. E. B. MARSH. Dec. 1, 1960, No. 41375/60. Heading A4U. A clothes airer comprises line-supporting arms 8, pivotally suspended by pins 9 between lugs 10 on a plate 7 which is mounted at the top of a post 1, and a locking plate 11 which is angularly movable from a position in which it does not overlap the arms to a position overlapping and engaging the inner ends of the arms to maintain them in horizontal, operative position. The plate 7 is rotatably mounted by a threaded spigot 5 and bush 3 in a fixed bearing sleeve 4 in the top of the post, the plate 11 being mounted on the spigot 5 and retained in spaced parallel relation to the plate 7 by a nut 13 and spring 12. The post is inverted to turn the arms from the pendant position to rest on the plate 7 and the locking plate is rotated by the handle 14 to bring the projections 11a into engagement with the inner ends of the arms before the post is turned right way up for insertion in a socket in a base plate 2.
Patent GB-1531046-A (GB)
Title: Low-viscosity poly(epoxide-caprolactone)
IPC: C08G59/62
Filed: 1976-10-06
Abstract: 1531046 Polyepoxide-polylactone adducts; polyurethanes UNION CARBIDE CORP 6 Oct 1976 [7 Oct 1975] 41537/76 Headings C3B and C3R Adducts, having a viscosity of less than 5000 centistokes at 130‹ F. and an equivalent weight of at least 150, are prepared by reacting a diepoxide with at least two polycaprolactone polyols having average OH numbers from 180-600. The mole ratio of polyol to diepoxide may be 2À5 : 1 to 4 : 1. The polyepoxide may be a cycloaliphatic epoxy resin, e.g. 3,4-epoxycyclohexylmethyl - 3,4 - epoxycyclohexane carboxylate. Polyols exemplified are (A) a triol of OH No. 560 and average M.W. 300 and (B) a triol of OH No. 310 and average M.W. 540, both obtained from trimethylolpropane and #- caprolactone. Polyurethane coating compositions may be obtained from the adducts of the invention and polyisocyanates.
Patent GB-1088412-A (GB)
Title: Apparatus for heat exchange between a finely granular material and a gas stream
IPC: F28C3/16
Filed: 1964-10-12
Abstract: 1,088,412. Preheating cement raw material. W. lSLER. Oct. 12, 1964 [Oct. 14, 1963; July 11, 1964], No. 41599/64. Heading F4B. A heat exchanger, particularly for preheating and part roasting raw cement meal, comprises a vertical cylindrical chamber with a tangential gas inlet 23 and a central gas outlet duct 25, a vane wheel 31 coaxial with and surrounding the gas outlet duct 25 and inside an annular inlet nozzle 27 for the granular material. Guide walls 33, 34 mounted on the upper end of the inner wall of the annular material outlet 22<SP>1</SP> are overlapped to leave gaps through which material passes outwards and gases pass inwardly. The lower part of the device forms a hopper 29 feeding a rotary kiln 21 through a flap valve 30.
Patent GB-417020-A (GB)
Abstract: 417,020. Colour photography. I. G. FARBENINDUSTRIE AKT.-GES., Frankforton-Main, Germany. Jan. 15, 1934, No. 1421. Convention date, Jan. 14, 1933. [Class 98 (ii).] In order to avoid moirÚ effects in printing colourrecord images from one lenticular film A on to another B in contact therewith, the embossed sides of the films face one another, and the source of light E1-F1 and the slotted shutter S through which the light passes to the gate apertures are mounted on a common support which oscillates about a point M representing the centre of CD, the virtual image of the exposure filter. E2-F2 shows the other end position of the source of light, which may be formed by a simple incandescent thread, or a lamp behind ground glass located behind a slotted diaphragm, the minimum breadth of the source of light being such that it subtends the same angle as that subtended by the virtual image of the exposure filter when viewed from the original film. In place of the moving source of light E1-F1, there may be used a slotted diaphragm oscillating in front of a stationary source of light G masked by a slotted diaphragm so as to limit its dimension parallel to the lenticular elements. Alternatively, a number of individual lamps may be switched on in succession.
Patent GB-936252-A (GB)
Title: Improvements in or relating to fluid controlling valves
IPC: F16L41/12
Filed: 1960-12-05
Abstract: 936,252. Pipe joints. R. H. ROWLAND. Oct. 30, 1961 [Dec. 5, 1960], No. 41713/60. Class 99(1). [Also in Group XXIX] A fluid flow control valve comprises a valve body 10 having a seat 16 and a valve closure member 15 of a specific gravity less than that of the fluid to be controlled. The body is secured to a pipeline 11 by a U-bolt 13 and a seal 12 so that the valve is disposed above the pipeline. A delivery member 17 is detachably secured to the body through a locking ring 19 provided with cam surfaces engaging pins 21 whereby the member 19 is rotatable relative to the body. A rod 25 carried by the member 17 opens the valve through a screw thread 28. When the supply line is emptied, the valve floats to allow the delivery member and body to be drained.
Patent GB-882146-A (GB)
Title: Arrangement for closing test tubes
IPC: B01L3/14
Filed: 1959-12-09
Abstract: 882,146. Stoppers. BIOLYON SOC. LYONNAISE DE PRODUITS BIOLOGIQUES. Dec. 9, 1959 [Dec. 10, 1958], No. 41892/59. Class 125(3). A closure means for test tubes comprises a resilient stopper 2 having an axial bore 3 meeting a transverse chamber 4 opening in to the side wall of the stopper. A filtering plug 9 is inserted in the transverse chamber 4 across the opening of the axial bore 3. A plug 10 having a capillary bore 11 may be inserted in the axial bore 3. An upwardly directed extension 7 on the stopper serves as a grip.
Patent GB-1286331-A (GB)
Title: Improvements in or relating to methods and apparatus for the collective packaging of flat objects
IPC: B65G57/28
Filed: 1969-08-22
Abstract: 1286331 Packaging flat articles HOLLER GmbH GEB 22 Aug 1969 [24 Aug 1968] 41957/69 Heading B8C An apparatus for collecting and packaging a plurality of flat objects, e.g. bags b which are substantially flat in a filled condition, comprises an endless belt 1 having spaced walls 4 projecting normally to the belt and a feed arrangement for feeding the bags between that pair of walls 4 which are angled outwardly by the belt passing over a roller 2. When the compartment defined by the angled walls 4 has been filled the belt moves forward one compartment causing the bags to rest on their edges and to be held by the now parallel walls 4. At the end of five steps of the belt a comb shaped pusher 11 pushes the bags in five adjacent compartments off the belt along a guide trough 10 into a carton f. The feed arrangement comprises a conveying path 6 which feeds bags directly on to a horizontal wall 4 of the belt and a conveying path 7 which feeds bags to a platform 8 from which they are pushed on to the horizontal wall 4 by a pusher 9.
Patent GB-1478695-A (GB)
Title: Data handling apparatus
IPC: G06F3/153
Filed: 1974-09-26
Abstract: 1478695 Television TEXAS INSTRU. MENTS Ltd 26 Sept 1974 41965/74 Heading H4F  Desired parts of additional information transmitted with a television video signal e.g. during the otherwise unused lines at the beginning of the fields, and comprising for example pages of characters each page comprising 24 rows of 40 characters with each character being represented by 7 bits, are selected 7 and applied to a line rate recirculating memory 8 having storage sufficient for one page the output of which if desired may be displayed 3 instead of (switch 5) the video signal via a character generator 12. Further selected portions of the data in the memory 8 may be gated out 14 to a buffer 15 which converts the high speed 7-bit patallel character bits into slow speed 7-bit series which are modulated 17 and recorded on an audio tape recorder from which they may be later played back, demodulated 21, converted 23 into 7-bit parallel form at a fast rate and restored in memory 8 ready for repeated display when desired on display 3. Title or address identifying codes are associated with the additional information. A single buffer store may be used to effect the slowing down and speeding up of the data instead of the two buffer stores 15 and 23.
Patent GB-1012602-A (GB)
Title: Method of treating polyvinyl alcohol films
IPC: B29C55/00
Filed: 1962-11-07
Abstract: 1,012,602. Stretching polyvinyl alcohol films. KURASHIKI RAYON KABUSHIKI KAISHA. Nov. 7, 1962 [Nov. 18, 1961], No. 42055/62. Heading B5B. The moisture content of a polyvinyl alcohol film is adjusted to a value within the range 10 to 60% by weight (calculated on the basis that the weight of the dry film is 100%), the film is stretched at a temperature below 60‹ C. either simultaneously in the longitudinal and transverse directions, or in one of these directions only, the film in this case being held under sufficient tension in the direction in which it is not to be stretched to prevent shrinkage in the latter direction, the extent of the stretching being in either case such that the area of the film after stretching is 130 to 300% of the original area of the film before stretching and the film is thereafter heat set at a temperature of 140 to 250‹ C. while being prevented from shrinking either longitudinally or transversely. The film may contain a minor proportion of a plasticizer such as glycerine and also an additive such as a surface active agent. The heat setting may be effected by passing the film through a chamber maintained at 190‹ C. in 4 minutes or through a chamber maintained at 220‹ C. in 2 minutes. The treatment increases the tensile strength and the moisture resistance of the film.
Patent GB-1066967-A (GB)
Title: Photographic colour development and colour developing solutions therefor
IPC: G03C5/30
Filed: 1963-10-25
Abstract: 4-Methylamino-2-methylphenol sulphate is prepared by reacting toluhydroquinone and sodium sulphite with methylamine followed by addition of sulphuric acid.  N,N1-ethylene bis-(4-amino-2-methylphenol) is prepared by reacting N,N1-oxalyl bis(4-amino-2-methylphenol) with lithium aluminium hydride.  The N,N1-oxalyl bis(4-amino-2-methylphenol) is prepared by reacting 4-amino-2-methylphenol with oxalyl chloride, 4-(b -aminoethylamino) phenol sulphate is prepared by reacting p-bromophenol with ethylenediamine in the presence of copper sulphate followed by treatment with sulphuric acid.
Patent GB-1239837-A (GB)
Title: Flexible skirt structure for air cushion vehicles
IPC: B60V1/00
Filed: 1968-09-05
Abstract: 1,239,837. Air cushion vehicles. AIR CUSHION VEHICLES AUSTRALASIA PTY. Ltd. 5 Sept., 1968 [13 Oct., 1967], No. 42173/68. Heading B7K. A flexible, inflatable skirt for an air cushion vehicle comprises an inner wall 11 and a partially curved outer wall 12 which are attached to the inner and outer side walls 16, 17 respectively of a pressure air distribution duct 13 which extends along the sides and the rear of a vehicle hull 2 and which is subdivided into two units by a transverse wall situated midway along the duct's rear portion. The skirt walls 11, 12 converge at their lower ends to define therebetween a pressure equalizing valve 25 which lies substantially vertically beneath duct wall 17 and which is closable by a ground engaging lip 27 on the inner wall 11 meeting the lower edge of skirt wall 12, said skirt walls being interconnected by compartment forming, rearwardly sloping, triangular partitions 33 and a plurality of longitudinally spaced straps 28. Pressure air delivered by a fan 4 into ducts 22 passes through apertures 19 into each duct 13 where it is directed to inflate the skirt and to pass via a non-return valve situated in the front end of each duct 13 into a plenum chamber 3 to sustain, at least partly, the vehicle support cushion, said non- return valve comprising a perforated plate covered by a movable flap. In operation, substantially equal pressures are maintained by the air within the skirt and the air within chamber 3 by pressure dependant movement of lip 27 from a position in which it closes valve 25 but allows air to escape beneath it from the chamber 3 (Fig. 16) to one in which it engages the ground and opens valve 25 to allow air to escape from within the skirt (Fig. 15). Vehicle roll to aid desired vehicle directional change is implemented through restricting the air flow into the appropriate duct 13 by an aerodynamically shaped flap valve 23 partially closing the associated aperture 19. Releasable fastening means for the inner skirt wall 11 may comprise a plurality of pillars 46 longitudinally spaced along a ledge 44 secured to the inner side wall 16, each pillar 46 having retainably mounted thereon an eyelet provided in the upper edge portion of the inner skirt wall 11 and releasable fastening means for the outer skirt wall 12 may comprise a longitudinally extending attaching strip 51 having a body portion 52 connected to the outer side wall 17 and a substantially L- shaped leg portion 53 which secures therewithin the bulked upper edge of the outer skirt wall 12. Embodiments are illustrated wherein each interconnecting partition 33 may be replaced by a plurality of straps (Fig. 11) or enlarged to make straps 28 redundant (Fig. 10). The skirt may also be used on a sidewall craft (Figs. 17, 18).
Patent GB-1010319-A (GB)
Title: Process for the analysis of isotopes and the apparatus for this purpose
IPC: H01J49/10
Filed: 1964-10-15
Abstract: 1,010,319. Isotopic Analysis. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Oct. 15, 1964 [Oct. 15, 1963], No. 42203/64. Heading G6P. An ion beam for mass spectrometric purposes is produced by heating a sample of material to be investigated, subjecting it to a current of gas to promote evaporation and then ionizing the resultant vapour. If the sample consists of reactor fuel particles having refractory coatings the gas may break down the coating and facilitate core vaporization. Alternatively, the core may melt and leave the covering-or the covering may be oxidized by the addition of oxygen to the gas stream. As shown, the sample 7 is heated in graphite furnace 2, and gas passed over it from bore 9. Ionization is effected in chamber 3 by the filament 6. The ions are extracted, through the hole 13 by the negative electrode 14. Chlorine gas or carbon tetrachloride may be used in the gas current so as to convert oxides or carbides into chlorides. Liquid samples may be treated by the device.
Patent GB-1021980-A (GB)
Title: Portable stove
Inventor: SELBY WILLIAM
IPC: F24B1/20
Filed: 1964-10-16
Abstract: 1,021,980. Kettles. R. G. C. JENKINS. Oct. 16, 1964, No. 42327/64. Heading A4A. [Also in Division F4] A water-boiling utensil comprises a stand 11 supporting a body portion 12 which consists of a frusto-conical inner wall 14, a cylindrical outer wall 15 secured to the lower edge thereof, and an upper wall 17 having a central aperture through which the inner wall projects upwardly; the inner, outer and upper walls defining an annular water space. The stand 11 comprises an upper edge 23 adapted to receive the body portion 12, and a cylindrical wall 24 provided with an aperture 25. A perforated wall portion 13 is adapted to rest on the upper wall 17 and to support a cooking vessel 26. Handles 20 are provided on the body portion, and the upper wall has a filling spout 18 giving access to the annular space.
Patent GB-1139998-A (GB)
Title: Improvements in motor-blower units for spraying apparatus adapted to be carried on the back of the operator
IPC: B05B7/24
Filed: 1967-09-19
Abstract: 1,139,998. Centrifugal blowers. SOLO KLEINMOTOREN G.m.b.H. Sept. 19, 1967 [Sept. 23, 1966], No.42490/67. Heading F1C. [Also in Division A1] A motor blower unit, portable on a man's back and employing an internal combustion engine, comprises a housing made of three wall parts 6, 7 and 8. Parts 7 and 8 from the walls of the engine crank-case 11, tank 10, and areas for a filter, exhaust silencer 13 and cylinder 15. Parts 6 and 7 form the housing for the blower rotor 9. The entire unit is of overall disc shape.
Patent GB-1407225-A (GB)
Title: Electro-mechanical force or pressure measuring converter
IPC: G01L1/04
Filed: 1972-09-13
Abstract: 1407225 Measuring force pressure electrically INDUSTRIE AUTOMATION GmbH & CO 13 Sept 1972 [16 Sept 1971] 42504/72 Heading G1N [Also in Division H1] An electro-mechanical force or pressure measuring converter includes a body which is elastically deformable under the influence of the force or pressure to be measured and the deformation of which is converted into corresponding electrical values, the body consisting in a glass ceramic material. Glass ceramic has the advantage that it complies with Hooke's law in the range of small elastic deformations where a metal body does not. The converter may be provided with resistive strain gauges or with capacitance electrodes by vapour deposition.
Patent GB-1285332-A (GB)
Title: Phthalazine derivatives
Inventor: PARSONS DAVID GORDON
IPC: C07D413/12
Filed: 1968-06-10
Abstract: 1285332 Phthalazine derivatives MINNESOTA 3M LABORATORIES Ltd 10 June 1969 [10 June 1968 6 Sept 1968] 27554/68 and 42550/68 Heading C2C Novel phthalazine derivatives of the Formula (I) where R is C 1-6  alkylene and R<SP>1</SP> and R<SP>2</SP> denote H or C 1-6  alkyl or -NR 1 R 2  denotes a heterocyclic radical, and wherein the benzene ring of the phthalazine nucleus may be substituted by one or more C 1-6  alkyl, C 1-6  alkoxy, NO 2 , CF 3  or halogen radicals, may be obtained by refluxing a 1,4-dihalo-phthalazine with a sodium alcoholate Na-O-R-NR 1 R 2  or with NaOH and an amine-alcohol HO-R-NR 1 R 2 . Pharmaceutical compositions useful as respiratory stimulants comprise compounds of Formula I above or acid addition or quaternary ammonium salts thereof combined with conventional pharmaceutical diluents in forms such as tablets, suspensions, solutions and suppositories.
Patent GB-1411392-A (GB)
Title: Electrolytic polishing of a niobium surface
IPC: C25F7/00
Filed: 1972-09-18
Abstract: 1411392 Electro-polishing inner Nb surfaces of hollow bodies SIEMENS AG 18 Sept 1972 [18 Sept 1971] 43188/72 Addition to 1298419 Heading C7B In a method of electro-polishing the inner niobium surface of a hollow body using the method of the parent Specification 1298419, the hollow body is arranged for rotation about an axis extending through an aperture in the body such that at any time during the process the body is partially immersed in the electrolyte with a free space within the hollow body above the surface of the electrolyte, which space communicates with the atmosphere; and the electro-polishing process is repeated with the hollow body in a series of positions, the body being rotated to a further position before each consecutive polishing operation is carried out. As shown a hollow niobium body comprising parts 1-5 is positioned to rotate about axis 8 whilst immersed in electrolyte to the level of said axis; a cathode 14 extending into the hollow body and positioned just below the surface of the electrolyte; electrolyte being pumped through the electrode 14 by means of pump 22 and passing into the bath within the niobium body via apertures 19 to provide a flow of fresh electrolyte. Rotation of the niobium part is provided by means of motor 9, belt 10 and flange 7 mounted rotatably in the side of the tank 6 and attached rigidly to the niobium part, which is also supported on rollers 11, 12. An external tank 29 is provided for spraying with cooling water to maintain the electrolyte temperature. Similar apparatus is described, Fig.2 (not shown), for treatment of a tube having a copper outer surface; means being provided for masking the copper during polishing.
Patent GB-1329006-A (GB)
Title: Piezoelectric filter assembly
IPC: H03H9/09
Filed: 1970-09-09
Abstract: 1329006 Electromechanical filters VERNITRON CORP 9 Sept 1970 [9 Sept 1969] 43236/70 Heading H3U [Also in Division H1] A filter comprises a piezo-electric split-ring resonator 10 having arcuate electrodes 12, 14 on both sides, each side of the resonator being supported by the narrow surface of two wedgeshaped resilient pads. Each pad consists of silicone rubber and has a conducting portion 22 and a non-conducting portion 24, the pads being located so that the portions 22 abut the respective electrodes 12, 14 at their nodal points. The pair of pads at each side of the resonator 10 are mounted by adhesive to two conductor foils on an insulating backing; thus, Fig. 4 shows two foils 23 on a backing 26 related to one side of the resonator, the other side having a backing 28 with foils 25. Four lead wires 16, 18 extend through an insulating base 21 and are soldered to respective foils 23, 25. A spring clip 30 may support the assembly and a cover 32 may provide an hermetic enclosure.
Patent GB-1370448-A (GB)
Title: Surface treatment machines
IPC: A47L7/00
Filed: 1971-09-17
Abstract: 1370448 Flow cleaning machines PUREX CORP Ltd 17 Sept 1971 [14 May 1971] 43364/71 Heading A4F A machine for removing dirty liquid from floors after scrubbing comprises a suction unit having a blower 16, the suction and inlet sides of which are enclosed by intake and pressure chambers 28, 24, at different levels, provided with inlet and outlet fittings 31, 27 selectively connectible by a flexible hose 8 to the interior 40 of a liquid receptacle 9, whereby the blower is caused either to remove air from the receptacle to induce air and liquid flow into the receptacle 9 through a port 11, or to apply pressure to the receptacle 9 to expel liquid therefrom through the port 11, and a valve 51 controlling the inflow and outflow through said port 11. The valve 51 comprises a flapper which is closed when pressure is applied to the receptacle interior 40 and opened by the application of suction to the interior 40. A float 42 closes an opening 39 to cut-off the suction applied to the receptacle interior 40 when the collected liquid reaches a predetermined level in the receptacle 9.
Patent GB-1338320-A (GB)
Title: Gas lasers
IPC: H01S3/034
Filed: 1972-09-20
Abstract: 1338320 Lasers SPERRY RAND CORP 20 Sept 1972 [20 Sept 1971] 43488/72 Heading H1C A window 15 is sealed on the end of a glass gas laser tube 11 by bonding the window at its periphery 17 within an aperture in a metallic plate 14, optically finishing both surfaces of the window after bonding is completed, and securing the plate at its periphery, e.g. by welding, to an apertured metallic plate 13 bonded to the end of the laser tube. Preferably the plate 13 is formed with a recess 21 to avoid contact between the plate and the window. The metallic structure may serve as an anode.