baber/WOPTO huggingface dataset:
Patent GB-664863-A (GB)
Title: Improvements in or relating to indicators for judging colours
IPC: G01J3/52
Filed: 1949-06-27
Abstract: 664,863. Comparing columns. MORLEY, Ltd., 1. & R., and PACKARD, H. N. Aug. 23, 1950 [June 27, 1949], No. 17003/49. Class 97 (i). An indicator for use in judging the particular colour which will be exhibited when a stretching or like garment made from nylon, silk, artificial silk or the like fibres of a given colour is worn, comprises a transparent sheet having alternate transparent and coloured zones so selected and arranged that the device when viewed against a sub. stantially flesh coloured background exhibits a colour corresponding to that which will be exhibited by the garment when worn. As shown, a transparent plastic sheet 3 is printed with differently coloured groups A, B, C, D of lines or striations 4, the colour and separation of which are arranged to produce the desired effect when a hand is placed behind the sheet. One end 5 of each group may be darker to similate the appearance of the garment when packed. The sheet may be mounted in a folder having a flesh-coloured background. The lines 4 may be arranged to represent various stitches or patterns which may be incorporated in stockings.
Patent GB-767319-A (GB)
Title: Improvements in agricultural machines
IPC: A01D78/02
Filed: 1954-06-10
Abstract: 767,319. Hay-tedders. NICHOLSON, A. C. Aug. 25, 1955 [June 10, 1954], No. 17026/54. Class 6(3). A hay-tedder comprises a front cross-bar 1 from which side-arms 2 project rearwardly to carry brackets 13 in which the tine-bar assembly 11, 18 is journalled, the latter being driven, from the power take-off of the towing tractor, by gearing 4 on the front cross-bar and a belt and pulley drive 8, 9, 17. The gearbox 4 is connected by a jointed shaft 10, to the pulley-block 8, 9 which is carried by a casting 42 pivoted upon supports 40 secured to the bar 1, there being a screw-adjustment, Fig. 3 (not shown) to vary the belt-tension. The brackets 13 house the vertical spindles 14 of swivel-wheels 12, the wheels being vertically adjustable by screwed rods, Fig. 8 (not shown). The rotor comprises a tube 11 with solid end-pieces 37 which rotate in sockets in the brackets 13. The tube carries spiders 19 which carry bearings for pivot-pins 20 on the ends of the tine-bars 18. At one end the tine-bars are each connected to an eccentric spider 28, by Z-links 22 having pivot-pins at both ends, so that the tines always point downwardly during rotation.
Patent GB-1519577-A (GB)
Title: Acoustic buoy
IPC: B63B22/00
Filed: 1977-04-25
Abstract: 1519577 Acoustic buoy SOC ANON COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL 25 April 1977 [7 May 1976] 17073/77 Heading B7A An acoustic buoy which can be dropped from an aircraft comprises a float 2, a plunger 3, and an air brake, e.g. a parachute, connected to the float, the float body 10 being received pistonlike in a shell 9 of the plunger, and secured by a spring 13 engaging an opening 18 and urging the float body into the shell against the action of a blocking device, e.g. a leaf spring 24, or a ball (24<SP>1</SP>), Fig. 9, not shown. In operation, when the air brake retards the fall of the buoy, the float body moves in the shell to flatten spring 13, and release the blocking device, to allow the float body to move into the shell when the buoy is in the water due to the relative buoyancies of the float and plunger, whereupon the spring 13 is released from the opening 18, and the float separates from the plunger. The spring 13 has a backing spring 14.
Patent GB-755945-A (GB)
Title: Improvements in or relating to an internal combustion turbine
IPC: F02C7/08
Filed: 1953-06-20
Abstract: 755,945. Gas turbine plant. BENNETT, T. O. June 20,1953, No. 17149/53. Addition to 665,109 and 744,592. Class 110(3) A gas turbine plant as claimed in Specification 744,592 has combined with it an interchangeable air heating unit comprising a combustion chamber, an air chamber in which air is heated by the hot gas in the combustion chamber and a third auxiliary turbine. The gas turbine plant claimed in Specification 744,592 comprises an internal combustion turbine, 10, Fig. 1, as claimed in the parent Specification combined with a secondary internal combustion chamber 19 which feeds a first auxiliary turbine 25 and a second auxiliary turbine 37, the second auxiliary turbine being also fed with the exhaust gases from the turbine 10 through a duct 18a. The air heating unit attached to the casing 18 comprises a casing 28 formed with an annular air chamber 29. A third auxiliary turbine 41 is attached to the exhaust duct of the auxiliary turbine 37. A compressor (not shown) supplied with air through the hollow shaft 15 discharges through the chamber 29, where the air is heated by hot gas from the combustion chamber 40 to the combustion chambers 16 of the turbine 10. When the pressure of the air in the chamber 29 reaches a predetermined value, a control valve 46 is opened and air passes into the passage 18a to scavenge the exhaust gases in the combustion chamber 40 through the turbines 37, 41. Fuel is injected intermittently into the chamber 40. There is a constant flow of hot compressed air through the valve 46 to the chamber 40 whereby, in timed sequence, spent gases are scavenged and then a combustible charge formed which is subsequently exploded. Some of the compressed air passing through the bush 23 is passed through holes 23a, 22a to cool the bearings 21.
Patent GB-298100-A (GB)
Title: Improvements in brakes for use on vehicles
IPC: F16D51/52
Filed: 1927-06-28
Abstract: 298,100. Boughton, E. B. June 28, 1927. Fluid-pressure; blocks acting on drums; compensating for wear. - A two-shoe servo-brake adapted to give servo action in both directions of movement of the vehicle is expanded by a pair of fluid-actuated pistons arranged back to back and adapted to act outwardly on the free ends of the shoes. The anchored ends of the shoes 10, 19 are mounted on two radius arms 12, 12a carried on the hub-spindle 13. These arms are able to move circumferentially in either direction and are centred in release positions by springs 31, 32 bearing on the medial stop 37. The ends of the brackets are adjustably connected by a left and right hand threaded stud 33, operated by gears 34, 36 and a spindle 35 carried in a U-shaped lug on the arm 12 and accessible from either side of the brake. The pitch of one thread may be greater than that of the other in order to compensate for greater wear on one shoe. The fluid pressure operating cylinders 40, 41 are supplied by a conduit 45 and a passage 44 having a light spring-loaded valve 46 for each cylinder, which allows pressure fluid to enter but offers resistance to its release from the cylinder. This resistance acts as a cushioning device whereby when the shoes are carried round due to the servo action and fluid is forced out of one cylinder into the other, the stop cap 42 or 43 between the shoe and its operating piston only slowly comes against the end of the cylinder. Fig. 3 shows a method of automatically adjusting the shoes for wear by fluid pressure means. A valve piston 49 arranged in the conduit 45 leading to the brake cylinder 40 is driven up by the pressure fluid which can then flow freely past by relief channels in the guide 55, on release of the brake the piston 49 is forced down by a spring 50 and the pressure due to the brake return springs until a valve 51 is closed and no further liquid can escape. A modification shows the shoes mounted on a single arm 12 eccentrically mounted on the hub spindle.
Patent GB-275947-A (GB)
Title: Method of and means for cleaning firing plants and flues
IPC: F23J3/02
Filed: 1927-06-29
Abstract: 275,947. Wied, G. Aug. 14, 1926, [Convention date]. Cleaning, squibs and like combustible bodies for.-A firing installation such as a baker's oven or a central heating installation is cleaned by introducing into the fireplace or flue an expelling charge which burns slowly and evolves a heavy stream of gas which carries off the soot and flue ashes into the chimney of the heating flask. The charge may consist of sulphur, saltpetre and carbon and may be made up as a cartridge with a handle or with an enlarged base so that it can be stood up. Reference has been directed by the Comptroller to Specifications 9876/97, 13711/98, 26736/98, [all in Class 19, Brushing &c.], and 24375/99, [Class 25, Chimneys &c.].
Patent GB-273723-A (GB)
Title: Improvements in or relating to protective devices for rotary converters
IPC: H02K47/08
Filed: 1927-06-29
Abstract: 273,723. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). June 30, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts). Protective arrangements. - Rotary converters interconnecting a DC supply with a high tension AC circuit are isolated from the AC circuit, and also if desirable from the DC supply, on occurrence of a fault on the AC circuit by a relay responsive to the reverse voltage component on the DC side of the converter, this component being due to the fault.
Patent GB-945039-A (GB)
Title: Improvements in or relating to low alloy-air hardening die steel
IPC: C22C38/38
Filed: 1962-05-04
Abstract: An iron base alloy comprises: .C.more than 0.8% but less than 0.9% .Mn.1.85-2.16% .Si.0.25-0.5% .Cr.0.75-1.10% .Mo.1.20-1.40% .V.0.45-0.85% the balance being Fe plus incidental impurities. The heat treatment disclosed comprises heating to 1475-1575  DEG F. (preferably 1525  DEG F.) for 8 minutes and air quenching which may be followed by tempering at 200-1000  DEG F.
Patent GB-1419847-A (GB)
Title: Manually operated direct-on-line starter switch
IPC: H01H71/46
Filed: 1973-04-11
Abstract: 1419847 Automatic circuit breakers ALLMANNA SVENSKA ELEKTRISKA AB 11 April 1973 [12 April 1972] 17363/73 Heading H1N A direct-on-line starter switch including manually operable means 8 for opening the switch and release means 11 for automatic opening of the switch has an arm 7 which makes both a forward and backward movement during an opening operation and unlocks a contact holder 23 of a signal contact device which has its contacts normally locked open but on release has its holder 23 moved by a spring 26 to close contacts 21, 24, 22 but on manual release by push-button means 8 a part 30 thereof prevents movement of the holder 23. The main movable contacts 3 are mounted on a carrier 2 on which the arm 7 is pivoted at 6 to be movable by push-button 9 to a position in which it is held by a spring biased latch 14. The release latch 11 may be moved by electromagnetic or thermal means (not shown) and a main bias spring 5 in moving the carrier 2 upward rotates the arm 7 clockwise so that it engages a face 29 of the auxiliary contact holder 23 to unlock it from projection 28. As the carrier 2 moves upward a projection 17 thereon releases the latch 14 to permit a spring 10 to rotate the arm 7 in the other direction and reset it with latch 14. The latch 14 is also releasable by the push-button 8 but its projection 30 prevents operation of the auxiliary or signal contacts.
Patent GB-219336-A (GB)
Title: Improvements in furnaces
Filed: 1924-07-21
Abstract: 219,336. Huber, C. J. July 19, 1923, [Convention date]. Furnaces with coking-chamabers; fuel, feeding; linings; dead-plates.-Fuel is fed from a hopper 5 by a reciprocating pusher 6, operated manually or by power, on to a coking-shelf 15 formed of refractory blocks and arranged above the front end of the grate 4. The fuel undergoes a preliminary coking on the shelf 15 where it is subjected to heat radiated from the furnace, the refractory blocks forming the shelf 15 and the furnace lining 24. The blocks forming the shelf are provided with T-shape slots adapted to engage with corresponding supporting bars and are also provided with interlocking tongues and grooves at the sides. The lining blocks 24 are supported by projections 30 on the hopper wall. Air for combustion is admitted through openings in a grid 35 arranged at the front of the grate and below the coking-shelf.
Patent GB-233931-A (GB)
Title: A detonator package
IPC: F42B39/30
Filed: 1924-07-21
Abstract: 233,931. Olin, J. M., and Smith, J. B. July 21, 1924. Ammunition, packing. - Electric blasting detonators are packed by coiling the igniter wires around the detonator in a long helix having its axis along the axis of the detonator. As shown, the wires 2 are wound backwards and forwards in two layers on a tube 4. The ends of the wires are secured in a slot 5 at one end of the tube and the detonator 1 is inserted in the other end.
Patent GB-478738-A (GB)
Title: Improved output controlling means in plants comprising engines working in parallel
IPC: G05D13/00
Filed: 1936-06-23
Abstract: 478,738. Regulation of pumps and compressors. AKTIEBOLAGET GOTAVERKEN, and JOHANSSON, J. E..Tune 23, 1936, No. 17481. [Classes 8 (i) and 102 (i)] [Also in Groups XXVI and XXIX] In a plant for producing gaseous or liquid pressure medium such as air, a mixture of air and combustion gases of internal-combustion engines, steam, liquid, &c. for driving engines, of the kind in which two or more internalcombustion engines each drive at least one pump for said medium, means are provided for controlling the supply of fuel to the internalcombustion engines. The Figure shows engines 93, 94 driving pumps having delivery conduits 105, 106, each of which is connected to a cylinder 103, 104 having a piston 101, 102. The pistons 101, 102 are joined by a rod and connected to a device 99 controlling the fuel supply to both engines to maintain the pressures in the conduits equal.
Patent GB-728955-A (GB)
Title: Manufacture of acrylamides
Inventor: WEBSTER WILLIAM
IPC: C07C233/09
Filed: 1951-07-25
Abstract: A process for the manufacture of acrylamide and a -alkyl-substituted derivatives thereof comprises subjecting in the vapour phase derivatives of propionamides of the general formula <FORM:0728955/IV (b)/1> in which R represents a hydrogen atom or an alkyl group and X is a group as defined below, to thermal decomposition in the presence of the vapour of a volatilizable strong mineral acid or the anhydride thereof.  In the above formula X represents a hydroxy group, ether groups such as the methoxy-, ethoxy-, propoxy-, isopropoxy-, butoxy-, phenoxy-, and benzyloxy-group; ester groups such as the acetoxy-, propionoxy-, and benzoyloxy-group, or amino and substituted amino groups such as -NR1R2 where R1 and R2 each represent a hydrogen atom or a methyl-, ethylpropyl-, or benzyl-radical and R1 and R2 can be alike or different, and R1 and R2 can together with the nitrogen atom be one group such as a piperidino group. Preferred temperatures are 200 DEG  to 600 DEG  C., preferably 475 DEG  to 525 DEG  C.  The catalysts mentioned are sulphuric acid, sulphur trioxide and hydrogen halides.  They may be generated in situ, e.g. from alkyl esters of sulphuric acid such as mono- or di-ethyl sulphate or di-isopropyl sulphate.  0.1 to 1.5 Molar per cent on the propionamide may be used. The propionamide may be introduced as such or in a solvent, e.g. water or aliphatic alcohols.  The reaction may be effected in a heated tube, preferably with pre-heating of the reactants.  Any acrylonitrile produced as by-product may be isolated.  In examples (1) b -methoxy propionamide and diisopropyl sulphate are dissolved in methyl alcohol, the solution is vaporized and passed through a glass tube filled with porcelain rings heated at 475 DEG  to 490 DEG  C., the contact time being about one minute, and the reaction product is condensed and distilled to give acrylamide and a small amount of acrylonitrile; (2) the process of (1) is repeated using an empty reaction tube; (3) concentrated sulphuric acid is used as the catalyst, with b -methoxy-propionamide, and the reaction time is about 48 seconds at 486 DEG  C.
Patent GB-1269076-A (GB)
Title: Machine tools for machining surfaces of workpieces
Inventor: BRASLAVSKY VENIAMIN MARKOVICH
IPC: B23D13/00
Filed: 1969-04-03
Abstract: 1,269,076. Feed movements. URALSKY ZAVOD TYAZHELOGO MASHINOSTROENIA IM. S. ORDZHONIKIDZE. 3 April, 1969, No. 17597/69. Heading B3L. A machine tool, e.g. a planing machine in which a workpiece moves relative to a cutter, comprises a profiled cutter 2 for producing a curvilinear surface, a shaft 11 on which the cutter is rigidly fixed, a body 12 in which the shaft is rotatably arranged, a carriage 14 including a support 13 on which the body 12 is mounted, the carriage 14 being translationally movable in a feed direction to move the cutter 2 translationally relative to said surface and a mechanism being provided to co-ordinate the angular position of the cutter with the translational position of the cutter. The said mechanism comprises a pinion 10 fixed to the shaft 11 and a rack 4 extending in the feed direction, the rack being supported so as to have no component of motion in said feed direction.  The support 13 is hinged about axis 17 to enable pivoting of the body 12 to retract said cutter from the workpiece on a non-cutting return stroke and the rack 4 is supported by arms 5 pivoted to a cross-arm of the machine tool coaxially with axis 17 to enable the rack 4 to take part in the retracting movement.
Patent GB-403633-A (GB)
Title: Improvements in or relating to lamp shades for billiard tables
IPC: F21V1/00
Filed: 1932-06-22
Abstract: 403,633. Lamp shades. MARTIN, R., 17, Upper Grove Place, Edinburgh. June 22, 1932, No. 17616. [Class 75 (ii).] The three shades for a billiard table have their facing or inner sides partly cut away as shown at D to allow even spread of light without glare. Each has an inner shade E with a partition F above, Fig. 3. Specifications 271,784, [Class 75 (ii), Lamp chimneys &c.], and 345,460 are referred to.
Patent GB-458423-A (GB)
Title: Manufacture of insoluble azo-dyestuffs
IPC: C09B29/32
Filed: 1935-06-19
Abstract: Insoluble azo dyes are made by coupling a diazotized nitroamino compound of the benzene series, which may be halogen substituted, with a py-tetrahydro-1-alkyl or 1-aralkyl-3-oxyquinoline of the formula <FORM:0458423/IV/1> (X = H, alkyl or halogen), neither of the components containing a COOH or SO3H group.  They dye cellulose esters mainly in blue shades which are fast to acids and may be discharged white. Dyes from the following components are specified in examples: diazo components; 4 - nitroaniline, 2 - chloro - 4 - nitroaniline, 2 : 6-dichloro - 4 - nitroaniline, 2 : 4 - dinitroaniline, 6 - bromo- or 6 - chloro - 2 : 4 - dinitroaniline; coupling components: 1 - n - butyl - 3 - oxy - 7-chloro- or 7 - methyltetrahydroquinoline, 1 benzyl-3-oxytetrahydroquinoline, 1-benzyl- or 1-ethyl-3-oxy-7-methyl-tetrahydroquinoline. Tetrahydroquinoline compounds of the above formula are made by condensation of the appropriate alkyl- or aralkylaniline with epichlorhydrin at a raised temperature whereby ring closure occurs.
Patent GB-909426-A (GB)
Title: Fluid control valves
IPC: F16K17/00
Filed: 1960-05-19
Abstract: 909,426. Valves. BURMAN & SONS Ltd., and BRIGGS, W. H. May 19, 1961 [May 19, 1960], No. 17646/61. Class 135. A control valve comprises a body part 10, 11, Fig. 1, having an inflow passage 12, an outflow passage 13 and at least one return flow passage 17, a spring-loaded cup-shaped closure member 18 having at its closed end an external diameter greater than that of its opposite end, a nozzle 19 in the body part 10 extending into the closure member from the inflow passage 12 and forming with the said member an annular passage through which the motive liquid can flow from the inflow passage 12 with reversal of direction to the outflow passage 13, the closure member 18 being movable against the force applied by its loading spring by means of kinetic pressure developed by liquid flowing through the valve so as thereby to establish communication between the inflow passage 12 and the return flow passage 17 or one of the return flow passages when said kinetic pressure reaches a predetermined value. An independent spring-loaded valve member 21 relieves static pressure when it builds up because of partial or complete closure of a valve of the hydraulic mechanism being actuated. The valve member chambers 14 and 15 are interconnected by a port 16 and the valve member 21 has a groove 23 so that the build up of static pressure effects closure of the member 18. In another example, Fig. 2, the valve member 21 is omitted and the closure member 18 is recessed at 27 so that it serves a dual function, being moved upwardly by the kinetic pressure of the liquid to open the return passage 17 and being moved downwardly to relieve the static pressure.
Patent GB-581008-A (GB)
Title: Improvements in or relating to titanium dioxide pigments
IPC: C09C1/36
Filed: 1943-10-26
Abstract: Preparing an aqueous slurry of a rutile pigment and precipitating in situ within the slurry a water-insoluble white silicate by the reaction between an alkali silicate and a water-soluble metal compound the silicate of which is white and water-insoluble; the slurry being maintained at a temperature of between 60 DEG C. and 80 DEG C. during the precipitation of the insoluble silicate.  The preferred amount of precipitated silicate is between a fraction of one per cent. and ten per cent. by weight. The water-insoluble white silicates preferred are those of metals of the second, third and fourth groups of the Periodic System. Examples given are magnesium, zinc, aluminium, Ythrium, zirconium and cerium silicates. Specifications 513,867, 523,148, and 580,809 are referred to.