baber/WOPTO huggingface dataset:
Patent GB-536333-A (GB)
Title: Improvements in distillation and purification of carbonizable organic materials
IPC: C11D19/00
Filed: 1939-11-03
Abstract: 536,333. Fatty acids, mineral oils, glycerine. LEE, A. P. Nov. 3, 1939, No. 29323. [Class 32] Organic liquids which char readily on heating, e.g. fatty acids, mineral oils and glycerine, are distilled by atomizing the liquid with not less than five times its own volume of inert gas to form an atomized mist, heating the mist in a tubular still below the vaporization temperature of the liquid at the pressure existing but above the vaporization temperature at the subsequent reduced pressure, and expanding the heated mist into a zone of reduced pressure where vapours are removed. The crude fatty acids fed from charging line 1 pass through a preheater 2, heated by steam from supply line 7, to an injector 4 (constructed as shown in Fig. 2) where they are atomized by steam or inert gases, e.g. nitrogen, supplied through line 4a. The atomized mist is passed through a tubular coil 5 heated in a furnace, where it is heated rapidly to 400-600‹F., into a distillation chamber 12 maintained under a pressure of 1 to 10 inches mercury. The unvaporized material collected in a pool at the bottom of the chamber 12 is treated with steam superheated in coil 18 and injected through line 22. Part of the residue is removed through line 25 and recycled through line 27 by a lift pump 26 operated by injection of steam through line 29. The heavy residues collected in the tower bottom are removed through pipe 31 and syphon 24 into a pitch receiver 32 from which they are discharged by steam injected through line 76. The vapours formed in the chamber 12 are condensed by contact with water heated to near its boiling point and injected through sprays 43, 44, 45. The water used is preferably that obtained as a condensate in the preheater 2 and is raised to the required temperature in a heater 56. The bulk of the condensate is collected in a separator 46 while residual vapours are condensed in a condenser 67, the condensates being passed to collectors 63, 70. The furnace heating the tubular coils 5, 18 is provided with gas and air dampers 10, 11, 11a for control of temperature. Specifications 533,847 and 536,366 are referred to.
Patent GB-714488-A (GB)
Title: Improvements in or relating to high frequency induction heating apparatus
Inventor: JONES DAVID GRIFFITHS
IPC: H05B6/36
Filed: 1950-11-30
Abstract: 714,488. Induction heating. DELAPENA & SON, Ltd. Nov. 14, 1951 [Nov. 30, 1950], No. 29325/50. Class 39 (3) An inductor comprises a hollow copper casing 9 in the form of a single turn loop of truncated pyramidal shape which is fed with high frequency power from feed-plates 12, 13, and contains ferrous alloy laminae 10. The casing is closed at the top by an insulating plate 18, and is supplied through pipes 21 with cooling liquid which flows between the upper ends of the laminae and outwardly from a pipe 22. The latter may include a connector 23 with a nozzle 23a for directing the coolant on to the workpiece which is arranged adjacent the lower end of the inductor. The laminae are insulated from each other, e.g. by mica laminae, and may be divided longitudinally into separate sections in order to reduce eddy current losses. The lower end of the inductor may be sealed by a sheet of mica or by an adhesive interposed between the laminae. Two such inductors with a modified cooling arrangement may be secured to each other so that their narrower ends face in opposite directions.
Patent GB-1358589-A (GB)
Title: Method and apparatus for the production of plasticized material  under high pressure
IPC: B29C45/60
Filed: 1971-06-23
Abstract: 1358589 Injection moulding G A R PATFOORT 23 June 1971 [8 July 1970 15 April 1971] 29360/71 Heading B5A Granular material, compressed in an elongated zone 10 between a screw 3 and a cylinder 11 without plasticizing the material, and plasticized in a zone 4 between the end of the screw and the adjacent inner end face of the cylinder, is injected, e.g. through a non-return valve, into a mould by the pressure generated in the zone 10. Backftow of material in zone 10 is reduced by the material not being plasticized, and by the cylinder having grooves 12 or a portion 14 able to rotate with the screw to reduce slippage on the cylinder walls. The portion 14 may be rotated counter to the screw 3 and the grooves 12 may have parts adjustable in depth by the camming action of a collar 15 on movable parts of portion 14 as collar 15 is rotated on thread 16. The tip of the screw is insulated and the zones 4 and 10 are heated and cooled respectively to control the position at which plasticization occurs.
Patent GB-1469880-A (GB)
Title: Optical reading head
IPC: G02B27/00
Filed: 1974-07-02
Abstract: 1469880 Optical reading head THOMSONCSF VISUALISATION ET TRAITEMENT DES INFORMATIONS T-VT 2 July 1974 [3 July 1973] 29367/74 Heading G4M A reading head for documents such as envelopes 4 carrying fluorescent or phosphorescent markings 5 for sorting purposes has light fibres 12, 13 supplying light from a source to the document and light fibres carrying light from the document to a processor with the former terminating closer to the envelope than the latter. The fibres preferably have a circular opening 22, 23 receiving light from the source or supplying light to the processor and a rectangular opening sup. plying light to or receiving light from the document. The light paths may contain appropriate filters (20, 24) restricting light to preselected wavelengths.
Patent GB-1324899-A (GB)
Title: Selective animal gate
IPC: A01K1/00
Filed: 1971-06-23
Abstract: 1324899 An electric gate for animals F R LAURENZ 23 June 1971 [29 June 1970] 29515/71 Heading AIM An electric gate which obstructs the passage of small animals but permits passage of larger animals comprises an electrode 11 insulatingly connected by means 24 to a cage 10. The cage 10 comprises a coiled metal rod 16 which is welded at its ends to walls 17, 18 joined to a barrier wall 15. The rod 16 may be spot welded at intervals to the wall 15. The cage 10 may comprise individual spaced members welded to the wall 15, each member having a circular, square or triangular cross-section. In further modifications, the cage 10 may be in the form of a cylinder or hemi-cylinder having arcuate slots, Figs. 14, 15 (not shown). The insulating connection means 24 may allow vertical displacement of the electrode 11. In a further modification, disks rotatingly fit into circular end sections of the coiled rod 16, the electrode 11 fitting into holes at the periphery of the disks.  The gate may be hinged or fixed to a side wall or free stranding as shown in Fig. 1.
Patent GB-866951-A (GB)
Title: Filling necks for vehicle fuel tanks
IPC: B60K15/04
Filed: 1958-09-16
Abstract: 866,951. Tank fittings. WESTWOOD RIM & PATENTS Ltd., and WESTWOOD, N. F. Sept. 11, 1959 [Sept. 16, 1958], No. 29584/58. Class 69 (1). [Also in Group XXII] A filling neck for fitting to the end of a flexible hose which is connected to a vehicle fuel tank has an integral flange b pressed up from its periphery intermediate its ends. A closure member e is provided. Specification 806,440 is referred to.
Patent GB-1439580-A (GB)
Title: Method of heating or cooling buildings
IPC: F24F5/00
Filed: 1974-07-04
Abstract: 1439580 Heating and cooling buildings KABEL - UND METALLWERKE GUTEHOFFNUNGSHUTTE AG 4 July 1974 [19 July 1973] 29690/74 Heading F4U A method of heating or cooling buildings by one or more heat pumps co-operating with a system of planar heat exchangers comprises units disposed on both sides of at least some of the external walls and floors of the building. The outer units of the heat exchanger system communicate with the evaporation side of the respective heat pump and its inner units communicate with the condensing side for heating the building and the outer and inner units respectively communicate with the condensing and evaporation sides of respective heat pumps for cooling. The planar heat exchangers have connections permitting communication with differing elements of the heat pumps and the heat exchangers may be fastened to a surface and thereafter plastered or embedded in situ, or they may be formed in prefabricated building panels subsequently used in the building's heat exchange system.
Patent GB-227251-A (GB)
Title: Improvements in side delivery rakes or swath turners
IPC: A01D80/00
Filed: 1923-11-26
Abstract: 227,251. Bamford, J., and Bamford, C. J. Nov. 26, 1923. H a y making. - The detachable tine bar 21 of a convertible side-delivery rake and swathturner such as that described in Specification 16459/14 is formed of trough or channel section the flanges extending upwards on each side of the heads 5 of the bolts 6 holding the tines in position. The detachable bar 21 is inserted in a pair of clips 20 each of which has a portion 22 passing up the back flange of the main bar 23 and is provided with a hook 24 engaging the top of the flange. A hooked portion 27 engages over the rear edge of the main bar and the clip may be fixed in position by a rivet 28. A spring plunger 29 in a housing 30 passes through holes in the detachable and the main bars and locks the detachable bar in place.
Patent GB-535108-A (GB)
Title: Improvements in or relating to ammunition for use in target practice
IPC: F42B8/02
Filed: 1939-11-10
Abstract: 535,108. Practice ammunition. HOBSON, P. Nov. 10, 1939, No. 29785. [Class 9 (i)]  Ammunition for indoor practice comprises a cartridge case 1 provided with the usual primer and powder 2, a dished washer 4 of asbestos or similar heat insulating material between the powder and bullet, and a bullet 3 of soft material such as wax, sufficiently hard to break a glass or similar frangible target but not so hard as to injure walls and ceilings or to pass through loosely hung hessian. The edges of the washer may be hardened by compression and enter the rifling grooves during its passage through the barrel, thus clearing the bore of wax.
Patent GB-1513798-A (GB)
Title: Building structure
IPC: E04B2/56
Filed: 1976-07-14
Abstract: 1513798 Partitioning PLESSEY CO Ltd 14 July 1976 [16 July 1975] 29789/75 Heading E1W Partitioning comprises wall panels 6 or windows 8; upstanding supports 14 having channels 22, 24 for reception of the wall panels or windows and which are secured to the floor by, for example, a plate 20 welded at the bottom; foundation beams 38 which lie on the floor and have recesses 40 for receiving the lower portions 42 of the supports 14; skirting members 44 which lie on the floor and are fixed to the foundation beams 38 so that the lower portions of the supports are sandwiched between them; channel members 60 fixed on the foundation beams or skirting members for receiving the lowermost wall panels or windows; and elongate members 94 to which are secured the upper portions of the supports and the uppermost wall panels orwindows. The wall panels may contain a sound absorbing or heat resisting material, and the upstanding support may have a removable or telescopic upper section for enabling the wall panels or windows to be removed.
Patent GB-392074-A (GB)
Title: Closing device for cooking vessels and other pressure resisting containers
IPC: A47J27/08
Filed: 1932-10-25
Abstract: 392,074. Covers for resisting fluid pressure. PAGANO, A. R., 4, Via Clavarezza, Genoa, Italy. Oct. 25, 1932, No. 29873. [Class 123 (i).] The lid 10 of a pressure-resisting pot 1 is pressed down by a yoke 6 one end of which pivots under a stud 4 on a bracket 2 attached to the pot while the other end is forced down by a cam lever 13 pivoting in bearings in a bracket 3 also fixed to the pot, the pivots 14 of the cam lever being cut partially along a plane parallel to their axis so that they can only be inserted through the slots 15 when the lever is in the opening position and they can only be withdrawn when no upward pressure is exerted through the yoke on the cam lever. The yoke may act on the lid through levers 8 provided with hooks 11 at their ends engaging under a rim on the pot 1. These hooks may be dispensed with the ends of the levers 8 being held under ridges on brackets 2, 3. In small pots the levers may be dispensed with the yoke then bearing on the lid itself.
Patent GB-602693-A (GB)
Title: Improvements in or relating to electric current conversion systems
IPC: G05F1/42
Filed: 1945-11-09
Abstract: 602,693. Converting. SHEPHERD, G. R. (Westinghouse Electric International Co.). Nov. 9, 1945, No. 29962. [Class 38 (ii)] In a conversion system comprising one or more pairs of valves of the immersion-ignition type, a capacitor, continuously charged, is connected across the make-alive electrodes, and a controlled electric valve is inserted in the return circuit from the cathodes of the valves to the capacitor. A condenser 22 is charged from A.C. supply 10 through transformer 21 and is connected through unidirectional conductors 27, 28 to the ignition electrodes 17 of the two valves 13, 14 connecting A.C. circuit 10 with D.C. circuit 11. A valve 35 is connected between the connected cathodes 16 and the junction of two unidirectional conductors 27, 28 across the capacitor. The grid 36 of this valve, which is biassed from potentiometer 38, is controlled so that condenser 22 is discharged at a desired moment in the cycle through ignition electrodes 17 of valves 13, 14 alternately, by way of unidirectional conductors 27, 30 and 28, 29 respectively. Inductance 23 controls the rate of charging of condenser 22 and the follow current of the impulses which have a steep wave front. In Fig. 10 in which six valves convert the supply between threephase system 10 and D.C. system 11, control circuits to grids 36 of the three control valves 35 are shown supplied through transformer 61 from system 10. Automatic control is obtained by the variation of a resistance 60 in the supply by variations of D.C. voltage or other operating condition. In other modifications, valve 35 is of the immersion-ignition type, Fig. 2 (not shown) ; condenser 22 is replaced by two condensers with their junction point connected through a resistance to the centre point of the secondary, of transformer 21, Fig. 3 (not shown), and the return path may be connected to the centre of a high impedance inductor which is connected across condenser 22 in place of rectifiers 29, 30, Fig. 5 (not shown). Also the supply to the ignition circuit may be taken direct from transformer 12 which supplies the main valves, Fig. 7 (not shown). In Fig. 8, the impulsing circuit is connected to the ignition electrodes which are not connected together, through a transformer 48, with rectifiers 27, 28 as shown or between transformer 21 and the condensers 122, 123, Fig. 9 (not shown). Transformer 21 may be replaced by an autotransformer, Fig. 6 (not shown).
Patent GB-793764-A (GB)
Title: Cement for a vacuum device
IPC: C04B28/34
Filed: 1956-10-03
Abstract: A refractory cement comprises a paste obtained by adding an aqueous solution of phosphoric acid to a mixture of the silicate and phosphate of aluminium.  Preferred weight ratio of silicate to phosphate is between 4 and 1 to 1.  A powdered filler, up to 10 times the combined silicate/phosphate weight, may be present, and which may be conductive, e.g., manganese dioxide, the borides of molybdenum, hafnium, chromium and nickel, ferro-silicon, or the carbides of silicon or nickel; or non-conductive, e.g., silica or alumina.
Patent GB-817817-A (GB)
Title: Improvements in or relating to coke oven structure
IPC: C10B21/20
Filed: 1956-10-03
Abstract: 817,817. Coke ovens. KOPPERS CO. Inc. Oct. 3, 1956 [Oct. 3, 1955], No. 30158/56. Classes 51 (1) and 51 (2). In a CoppÚe type coke oven heated by " gas guns " extending lengthwise of the heating walls below the heating flues and near the top of the regenerators, the rich gas conduits serving one set of flues are connected to the rich gas conduits serving the other set of flues by an induction duct near the upper part of the regenerators and in advance of the openings of the conduits into the flues, and the rich gas is fed into the conduits by jets at the junctions of the conduits and the induction duct to induce combustion products through the idle rich gas conduits and the induction duct to dilute the rich gas supplied to the heating flues. In a coke oven, Figs. 1 and 2, having the heating flues 11 in each wall of a coking chamber 10 connected into sets by horizontal flues 9 and the sets in opposite walls of the chamber 10 connected by flues 12 crossing the top of the chamber 10, individual rich gas inlets 22 open into the bottoms of the flues at the same level as the common inlets from the ducts leading from pairs of regenerators 14, 15 connected to the flues. Rich gas inlet conduits 20 extend in the silica masonry from either end of the oven, below the heating flues and near the upper parts of the regenerators. Distributer conduits 24 lead to intermediate points on the conduits 20 and are connected to the rich gas mains 26 at the front and back of the battery. Transverse induction passages 32 formed in the masonry connect the ends of the conduits 24. Inlet jets 33 at the junctions of each induction passage 32 with the distributer conduits 24 have nozzles 34, Fig. 3, with silica shields 36 which may extend to the mid line of the induction passage 32. Rich gas fed in through one jet 33 induces waste gases from the down flow flue sets through the idle rich gas pipes 20, 24 and the induction passage 32 to dilute the rich gas supplied to the upflow flues. The inlet ends of the distributer conduits 24 may be of venturi shape, and the distributer conduits 24 are of greater diameter than the inlet conduits 20. The Specification describes the application to the invention to coke ovens having hairpin flues or single or double divided flue sets in the heating walls, the induction ducts connecting the idle rich gas inlets of the downflow flue sets of one wall with the rich gas inlets of the upflow flue sets of an adjacent heating wall. Specifications 28811/04, [Class 51], and 547,186 are referred to.
Patent GB-834348-A (GB)
Title: Improvements in and relating to the production of aliphatic ketones
Inventor: CHRISTENSEN CARL WILHELM
IPC: C07C45/78
Filed: 1957-09-25
Abstract: Ketones produced by the treatment of aliphatic monocarboxylic acids having 6 to 25 carbon atoms with iron are purified by admixing the crude ketone with oxalic acid, subjecting the mixture to a temperature in the range of 100 to 225 DEG  C. for at least 15 minutes, and filtering the treated mixture to remove iron impurities. The starting material acids are preferably straight-chained saturated or unsaturated acids such as caproic, caprylic, capric, lauric, myristic, palmitic, stearic, behenic, oleic, linoleic or linolenic acids.  The reaction may be effected in the vapour phase using fluidized or dispersed iron or, preferably, in the liquid phase at elevated pressure, the reaction vessel being generally vented to avoid excessive pressure.  Suggested reaction temperatures are 305 DEG  to 320 DEG  C. and the pressure is preferably allowed to build up to 40-50 p.s.i.g. before the free fatty acid concentration falls below about 35% to prevent foaming.  The iron is preferably employed as a finely divided powder of about 90-120 mesh and is employed in molecular rather than catalytic amounts, e.g. about 0.25 mols. iron per mol. of acid.  The oxalic acid is usually used in an amount of about 0.5 mols. per mol. of iron employed.  It may be added as a slurry or solution in a non-reactive solvent or preferably as a solid which may be either anhydrous or hydrated.  In the latter case and when a solvent is present it is desirable to cool the crude ketone below 95 DEG  C. first.  Conventional bleaching agents such as charcoal and diatomaceous earths may be added with the oxalic acid. Detailed examples are given of the preparation and purification by the above method of ketones from the following acids: stearic acid; a mixture of stearic, palmitic and oleic acids; lauric acid containing myristic and capric acids; a mixture of oleic, palmitic, stearic linoleic and myristic acids; palmitic acid containing stearic and oleic acids; oleic acid; and behenic acid.
Patent GB-700246-A (GB)
Title: Improvements in or relating to alloy steels
Inventor: HARRIS GEOFFREY THOMAS
IPC: C22C38/58
Filed: 1950-12-09
Abstract: An austenitic steel, having high creep resistance at elevated temperatures, has the following composition: C up to 1.0 per cent., Mn up to 2.0 per cent. Si up to 1.0 per cent., Ni 10.-16.0 per cent., Cr. 12.0-24.0 per cent., W 0.7-2.0 per cent., Mo 1.5-4.0 per cent., V 0.7-2.0 per cent., Fe (and impurities) the balance.  The alloy may also contain B up to 0.1 per cent. and N up to 0.02 per cent.
Patent GB-1107664-A (GB)
Title: Improvements in and relating to disc grinders
IPC: B24B7/17
Filed: 1965-07-16
Abstract: 1,107,664. Grinding. LANDIS TOOL CO. 16 July, 1965 [16 July, 1964], No. 30214/65. Heading B3D. A disc grinder comprises an abrasive disc 20 provided on the end of a spindle 14 rotatable in a housing 25 of a member 11 slidably arranged on a base or support, the spindle being supported adjacent said one end by means 27 permitting tilting or swivelling movement of the spindle about a point adjacent the centre of the disc and at the other end by adjusting means 40, 41 permitting shifting of the other end to adjust the plane of rotation of the disc. The grinder has a pair of driven discs between which the work is fed and both discs are mounted on separate spindles 14 carried by slidable members 11 on a base. Each spindle is supported by bearings 15, 16, 17 in a housing 25 supported adjacent the disc by a cap 27 having inner and outer portions connected to the spindle and housing, respectively, and intermediate flexible portions 29. In Fig. 2, the portion shown above the axis of the spindle is a vertical section while that below is a horizontal section. The end of the spindle opposite the disc has a drive pulley 13 and is adjustable vertically by wedge members 40 which engage wedge blocks 35. The wedge members are movable together relative to each other in opposite directions by left and right handed screws 42R, the hands of which are formed with gears 46 engaging an adjusting gear 47 in housing 25. The end of the spindle is also adjustable horizontally by wedge members 41 which engage wedge blocks 36 and are adjustable by screws 43, the horizontal adjustment usually being effected during the initial setting up of the machine and the vertical adjustment being effected as necessary to adjust the spindle about the centre of the flexible cap 27 and, hence, the plane of the grinding disc. A gauge 55 is provided to indicate the position of the plane of the disc. A known machine is described in which the spindle housing is mounted on an intermediate support mounted for pivotal adjustment on the base of the machine.