baber/WOPTO huggingface dataset:
Patent GB-127022-A (GB)
Title: Improvements in or relating to Carburetters for Internal-combustion Engines.
IPC: F02M3/08
Filed: 1917-03-15
Abstract: 127,022. Brown & Barlow, and Brown, C. March 15, 1917. Addition to 12541/15. Spray carburettors.-The parent Specification describes a carburettor having a jet disposed below the normal fuel level, and a space above such jet which supplies the main nozzle and communicates both with the atmosphere and with a space below a second or pilot nozzle, which latter space communicates also with the atmosphere. The invention consists in providing an intermediate nozzle which serves to supply fuel for those intermediate positions of the throttle valve when neither the main nor the pilot nozzle is in action. The main nozzle is shown at b, the pilot nozzle at m, and the intermediate nozzle at j, the edge of the throttle valve, in its closed position, coming between the nozzles m, j. The jets supplying the nozzles are shown at a, g, l and communicate by a passage d provided with an air conduit c. The jet a is submerged, but the jets g, l may or may not be submerged, may be provided with independent air conduits such as c, and receive their fuel, in the form shown, through tubes such as h. The pilot-jet may receive fuel direct from the space below the jet a, instead of through the space f below the jet g, as shown.
Patent GB-895883-A (GB)
Title: Improvements in tracer controls for machine tools
Filed: 1960-02-03
Abstract: 895,883. Copy-milling. ROCKFORD MACHINE TOOL CO. Feb. 3, 1960 [April 15, 1959], No. 3802/60. Class 83 (3). [Also in Groups XXIX and XXXVIII] A template controlled milling-machine consists of a bed 30 carrying an hydraulicallyreciprocable table 32 which carries supports 74 for two templates. The table is spanned by a cross-rail 40 vertically adjustable on pillars 35, 36 by a lead screw and electric motor. The structure is counterbalanced by cables 42<SP>1</SP>. A saddle 43 is movable transversely on the cross-rail 40 by an hydraulic ram within the cross-rail. The saddle 43 in turn supports a vertical slide 49 movable by an hydraulic ram. The vertical slide 49 carries concentric arcuate guides 51, 52 which slidably support a plate 54 on which is mounted the electric motordriven milling head 55. The head 55 is vertically adjustable, manually, on the plate 54. The plate 54 is movable in the guides 51, 52 by an hydraulic ram 62. The horizontal movement of the table 32, transverse movement of the saddle 43 and vertical movement of the slide 49 may all be controlled by a first template and hydraulic tracer control 70. The arcuate movement of the head 55 is controlled by a second template and electric tracer control 90 (see Group XXXVIII), through an hydraulic servomotor (see Group XXIX).
Patent GB-826438-A (GB)
Title: Improvements in furnace installations
IPC: F22G5/04
Filed: 1958-02-06
Abstract: 826,438. Controlling steam temperature in boilers. COMBUSTION ENGINEERING Inc. Feb. 6, 1958 [July 23, 1957], No. 3908/58. Class 123(3) [Also in Group XII] The superheat temperature of a boiler is kept constant over a wide range of loads by tilting the corner burners 12 to change the height of the combustion zone for the upper load range, and by supplying recirculated combustion gases to the bottom of the combustion chamber for the lower load range. To prevent damage to the tube walls of the combustion chamber, or to the walls of the recirculated gas duct 36 when the recirculation system is closed by dampers 40, 42 on either side of the recirculation fan 38, the furnace end of the duct 36 is double walled from upstream of dampers 42 to the furnace end of the duct. The double walls of the duct form passages 48 by-passing the dampers 42. as do the double walls of directing vanes 52 within the end of the duct. Hot air from the air heater 28 is fed into the duct 36 upstream of dampers 42 when the combustion gases are not recirculated, and passes through the passages 48 and hollow vanes 52 to prevent overheating of the duct 36.
Patent GB-556912-A (GB)
Title: Improved method of introducing elements emitting bactericidal rays into empty vessels for sterilizing the interiors of said vessels and for withdrawing same therefrom after the sterilization and apparatus therefor
IPC: A61L2/10
Filed: 1942-03-25
Abstract: 556,912. Sterilizing apparatus. POWLEY & SONS, Ltd., R., and HARLEY, C. B. March 25, 1942, No. 3959. [Class 1 (i)] In an apparatus for sterilizing the interior of empty vessels by ultra violet or like rays the ray-emitting tubes are caused to enter the vessels and to be removed therefrom by suction, the vessels being partially exhausted before or during the period of the insertion. The apparatus comprises outer cylinders 1 supported on a frame member 21 and having slidably mounted therein cylinders 4 having flanged outer ends 3 provided with washers 9 for making an air-tight joint with tne mouths of vessels to be sterilized. An irradiating tube 11 is mounted on a piston 10 sliding within each male cylinder 4 and has electrical connection with a source of supply through springs 14, Fig. 2, located in telescoping guide tubes 18, 19. The platforms 22 for the vessels to be sterilized are carried by tubular supports mounted on a platform rotated synchronously with the frame carrying the member 21. Rollers 23 which bear on a ramp 24 are mounted on the tubular supports, causing the platform 22 to be lifted into a position to engage the washers 9, as the apparatus rotates. Pipes 28, 29 for exhausting air from the tubes 1 in the rear and in front of the pistons 10 are connected to a distributing head 30a and air release pipes 8 to a head 32, the timing of the parts being so adjusted that the tubes 11 are drawn down by suction into the vessels, irradiation takes place and the tubes 11 are then drawn back by suction.
Patent GB-576948-A (GB)
Title: Improvements in or relating to electric signalling systems
IPC: G08G5/06
Filed: 1944-03-03
Abstract: 576,948. Electric signalling and indicating systems. STANDARD TELEPHONES & CABLES, Ltd., McWHIRTER, E. M. S., DUNN, R. H., CHAMBERS, C. H., WARDEN, F. W., and HILL, S. S. March 3, 1944, No. 3989. [Classes 40 (i) and 118 (ii)] [Also in Groups XXXIX and XL] The passage of aeroplanes and other vehicles along the runways and tracks of an aerodrome is indicated at a central point by the provision of microphones spaced along the runways and tracks and connected preferably in groups to a visual indicator which may consist of a representation of the aerodrome divided into sections with a lamp for illuminating each section. In Fig. 1, two groups of microphones 10, 11 with feed units 12, 13 serving one section of the runway are connected in parallel and control a lamp 7 through an amplifier 14. In addition, to afford means by which different kinds of vehicles may be recognised, the output of the various amplifiers 14 is taken through a second amplifier 15 to a loudspeaker 16, a disconnecting switch being provided in this circuit if desired. The lamp 7 may be controlled by a relay 27, Fig. 2, in the anode circuit of a cold cathode gas discharge tube 17 which is ionized by the rise of potential applied through a step-up transformer 20 when a microphone 10 is excited and which is made self-extinguishing by the use of a rectified A.C. anode supply. If the relay is replaced by a resistance the cold cathode tube itself may constitute a visual indicator. Alternatively, the lamp 7 may be replaced by a " magic eye " indicator Fig. 3 (not shown), in which case different kinds of vehicles may be recognised by the nature of the flickering produced. A cathode ray oscillograph may be employed in addition to or in place of the loudspeaker 16. The microphones may be made more effective by fitting them with sound collecting horns. In Fig. 4, the microphone 10 is mounted on the underside of the lid 42 covering a cast iron horn 40 sunk in the runway, while in Fig. 5, the basin of a surface water drain 44 is used as a horn, the microphone being mounted on the underside of an inspection cover 46. In Fig. 6, a number of horns 48 convey sound along a pipe 49 to microphones 10 at each end. Keys may be provided at the central point for operating traffic lights on the aerodrome for directing landing aircraft to a parking place and for controlling other vehicles or in a simple case of two intersecting runways, for example, the lights may be controlled automatically by the microphones. The microphones may also be used in an emergency for one-way telephone communication between the ground staff and the control point.
Patent GB-820978-A (GB)
Title: Improvements in or relating to the yarn supply of knitting machines
Inventor: BRAMLEY PETER
IPC: D04B15/38
Filed: 1957-02-06
Abstract: 820,978. Knitting-machines. FRESHWATER HOSIERY MILLS Ltd. Feb. 5, 1958 [Feb. 6, 1957], No. 4012/57. Class 74 (2). To assist the removal of yarn from its package and to prevent the formation of snarls, particularly in the case of a crimp yarn, the yarn in its passage from the package A to a knitting- machine is drawn outwardly over the edge of a freely-rotatable disc F mounted concentrically on the upper end of the package. It then passes through a guide Q disposed centrally over the disc.
Patent GB-1379546-A (GB)
Title: Thermocouple compensating leads
IPC: G01K7/10
Filed: 1971-02-08
Abstract: 1379546 Thermocouples JOHNSON MATTHEY & CO Ltd 28 Jan 1972 [8 Feb 1971] 4118/71 Heading H1K In compensating leads for a thermocouple one lead comprises at least two insulated limbs, one limb being of a material having thermoelectric properties different from those of any other limb and the limbs are connected to a potentiometer for matching the compensating leads to the thermocouple at a selected temperature. As shown, Fig. 5, a Pt-Pt 13% Rh thermocouple 1, 2 is provided with compensating leads comprising wire A of Ni 20% Cr, wire B of Fe 17% Cr 12% Ni and wire B<SP>1</SP> of Fe 34% Ni 20% Cr. The wires B and B<SP>1</SP> are joined together at junction 5 and their opposite ends are connected to a potentiometer 12 which can be adjusted to match the effective characteristics of the compensating leads to those of the thermocouple at a selected temperature, the intermediate junctions 4 and 5 being held at this temperature when the thermocouple is in use. The potentiometer may comprise a deposit of resistive ink on a ceramic substrate and may be adjusted by finding the correct position for the tapping point and then soldering, or by soldering the tap to the centre of the track and scraping away appropriate portions of the track. Suitable materials for the compensating leads include Al, Cu, Ni, Cu-Ni, Ni-Cr, Ni-W and Ni-Al. The following alloys are also specifically mencally mentioned Ni 20% Cr 10% Fe, Fe 22% Cr 12% Ni and Fe 14% Cr 12% Ni (all wt. per cent).
Patent GB-740243-A (GB)
Title: Improvements in the manufacture of electron discharge devices
IPC: H01J19/00
Filed: 1952-02-16
Abstract: 740,243. Thermionic valves. RANGABE, A. R., and BUCKINGHAM, J. May 12, 1953 [Feb. 16, 1952], No. 4169/52. Class 39 (1). A method of assembly of valve components in which numbers of individual components on their support rods have their supports embedded in strips of plastic material such as polythene, by which they are stored or handled during successive stages of assembly. Grids may be wound on a conventional head which feeds the grids forwards on their supports to a position where they straddle two plastic strips such as 4, Fig. 2, which are fed from drums and pass between heated plates. Punches driven by cams from the grid winding head press each grid 2 into the softened plastic strips, and a cropping tool detaches the grids from the winding head. Index wheels move the strips forward step by step in synchronism with the grid winding process and the strips carrying the grids are wound on a drum. A second grid may be inserted by a similar process inside the first if the tools are shaped to produce depression 22 permitting the passage of the second grid the second stage in assembly then being a further embedding of both grids. This process may be repeated as many times as required, and the drums carrying the assembled components may then be stored until required. Alternatively the component supports 24, 27, 30, Fig. 4, may be speared through plastic strips 25, 28, 31 and stored on drums 26, 29, 32. The strips may then be fed into an automatic assembly machine which aligns the components by means of the strips, crops off the components and carries them into their proper relative positions in which they may be fixed by another polythene strip. As shown, a filament is passed up through the grid until it is stopped by a support spring 40 of the type described in Specification 740,348.
Patent GB-374865-A (GB)
Title: Manufacture of triarylmethane dyestuffs
IPC: C09B11/12
Filed: 1931-02-11
Abstract: Alkyl - oxyalkylarylamines; triarylmethane dyes.--Triarylmethane dyes are prepared according to known methods from tertiary amines which contain linked to the amino group, in addition to an oxyalkyl group, a butyl or other alkyl group containing not less than 4 carbon atoms. The shades of the resulting dyestuff are displaced towards the red end of the spectrum and the tinctorial power is increased.  In examples, (1) 4 : 4<1>-tetramethyldiaminobenzhydrol is condensed with butyl-oxyethylaminobenzene to the leuco-base which is then oxidized; the product dyes blue-violet, and a similar dye is obtained by using butyl-oxypropylaminobenzene instead of butyl-oxyethylaminobenzene; (2) butyl-oxyethylaminobenzine is condensed with benzaldehyde and the product oxidized to give a yellowish-green dye; other butyl-oxyalkylanilines may be employed and instead of benzaldehyde other aldehydes such as 1-naphthaldehyde may be used; (3) butyloxyethylaminobenzene is condensed with benzaldehyde-2 : 4-disulphonic acid, and on oxidizing a product is obtained which dyes wool and silk in strong green shades; similar dyestuffs are obtained by using butyl-oxypropylaminobenzene or butyl-oxybutylaminobenzene; (4) butyl-oxyethylaminobenzene is condensed with 1-naphthaldehyde-2,4-disulphonic acid and the product oxidized to give a yellow dyestuff for wool and silk; (5) butyl-oxyethylaminobenzene is condensed with formaldehyde, and the diphenylmethane derivative so obtained oxidized to the benzhydrol which is then condensed with ethylbenzylniline-disulphonic acid according to Specification 19062/91, [Class 2, Acids and salts, Organic &c.].  On oxidation a clear blue dyestuff for wool and silk is obtained.  The tertiary amines employed in the process may be made by the action of an alkylene oxide on the corresponding secondary alkylarylamine at a temperature above 100 DEG  in a closed vessel. Thus butyl-oxyethylaniline is obtained by heating phenyl-aminobutane with ethylene oxide in an autoclave at 140-150 DEG  C. Specifications 181,750 and 185,612, [both in Class 2 (iii), Dyes &c.], also are referred to.
Patent GB-112862-A (GB)
Title: Improvements in Hoops or Buckles on Laminated Springs for Railway Vehicles.
Inventor: CHEADLE DAVID JOSEPH
IPC: F16F1/26
Filed: 1917-03-26
Abstract: 112,862. Cheadle, D. J. March 26, 1917. Draw-gear.-The forked ends a<2> of the hoops or buckles a embracing the laminated springs b of a continuous draw-gear for railway &c. vehicles are strengthened in order to prevent bending or spreading and consequent breakage, by means of two additional hoops f which fit closely around the forked ends over the pin holes and are secured thereto by suitable means, preferably by means of the same pin d which secures the drawbar c.
Patent GB-342158-A (GB)
Title: Improvements in name or number plates, price tickets, or the like
IPC: G09F7/02
Filed: 1930-02-10
Abstract: 342,158. Price tickets. BECK, 0. E., 22, Northwood Street, Birmingham. Feb. 10, 1930, No. 4403. [Class 73.] In price tickets, name or numberplates, &c. of the type comprising a front plate 1 having apertures in which interchangeable letters or numerals are retained by a back plate 14, this plate is held in position by a spring frame 6 hinged to the front plate 1. As shown, the frame 6 is formed as a continuous length of stout wire terminating in legs 9 and passing at its top portion through sets of tubular lugs 4 and 15 on the front and back plates respectively; inturned portions 7 are provided which engage the backplate when the portions 8 are sprung between lugs 10 on the plate 1. The letter or number plates, formed by embossing or otherwise, may be provided with flanges to engage the rear side of the apertures, which may be arranged in groups for indicating prices &c.
Patent GB-569589-A (GB)
Title: Improvement in the manufacture of rubber hydrochloride
IPC: C08C19/16
Filed: 1943-03-18
Abstract: Hydrogen chloride gas is bubbled through a colloidal suspension of rubber which contains a plasticizer, e.g. japan wax, wool grease, paraffin wax, or naphtholene.  The reaction may be so conducted as to exclude light and air, and be at 0 DEG  to -30 DEG  C. The product may be extruded or moulded, or formed into films, or used for impregnating or coating paper, board, or fabric.  The Provisional Specification mentions also the addition of amines, e.g. aniline, ortho-toluidine and hexamethylenetetramine.
Patent GB-846444-A (GB)
Title: Induction furnace installation
IPC: H05B6/06
Filed: 1957-02-08
Abstract: 846,444. Induction furnace installations. LICENTIA PATENT-VERWALTUNGS G.m.b.H. Feb. 8, 1957 [Feb. 13, 1956], No. 4415/57. Class 39(3). [Also in Group XXXV] The induction coils of furnaces 9-12 have at least two parts, and current supply from motor-generator frequency converters 1 is controlled by a distributing device 6 and switches 2, 4, 13, 17. The converters are energised from a 50 c.p.s. supply 3 and may have an output of 1400 kw. at 3kv, ,600 c.p.s. To limit the transfer of power from one partial coil to another, an iron de-coupling device in the form of a yoke 15 is provided. Capacitors 14 constitute power factor correction means.
Patent GB-198010-A (GB)
Title: Improvements in the art of starting rotary and other exhausters and means for eliminating the risk of back pressure during the operation
IPC: F04D27/02
Filed: 1922-02-15
Abstract: 198,010. Carr, M. Feb. 15, 1922. Starting, facilitating.-To facilitate starting, a rotary or other exhauster has its outlet delivery pipe connected to the inlet suction pipe 4 fitted with an auxiliary valve 5. At starting, the inlet valve 2 and the outlet valve 3 are shut and the auxiliary valve 5 is open; the exhauster is run up to speed and the outlet valve 3 is opened; the speed is regulated to requirements; the inlet valve 2 is opened and the auxiliary valve 5 is closed.
Patent GB-881710-A (GB)
Title: A process for the treatment of pigments containing zinc sulphide
IPC: C09C1/06
Filed: 1959-02-09
Abstract: An aqueous suspension of a calcined zinc sulphide pigment is treated with an acid or alkali which dissolves zinc oxide, the resulting mixture then being treated with sulphide-ion-yielding compounds to precipitate zinc ion as sulphide.  The zinc oxide solvent may be hydrochloric, sulphuric or acetic acid, caustic soda or potash, or ammonia which may also contain ammonium chloride or carbonate, or sodium or barium chloride.  Suitable sulphide-ion-yielding compounds are hydrogen sulphide and bariumsulphide.  In an example, calcined lithopone is suspended in water and acidified to pH4 with hydrochloric acid, then treated with barium sulphide solution.  The resultant slurry is washed, dried and ground.
Patent GB-589322-A (GB)
Title: Improvements in and relating to electric heating elements
IPC: B23K3/03
Filed: 1945-02-22
Abstract: 589,322. Electric heating resistances and soldering-irons. OSBORN, H. J., and BIO ELECTRICS, Ltd. Feb. 22, 1945, Nos. 4491 and 19485. [Class 39 (iii)] An electric heating element comprises a resistance wire wound in a helical groove on a cylindrical rod of aluminium or aluminium alloy, the surface of which is oxidized or anodized. The resistance wire has a high positive temperature resistance coefficient between 20‹C. and 600‹C. of between 0.0050 and 0.0065 per 1‹C. and and has a negligible coefficient of expansion. The resistance wire may comprise an alloy of about 70 per cent. nickel and 30 per cent. iron. A soldering-bit m is held by a nut n in a tapered socket in an externally threaded protuberance l on a flanged head c of the anodized aluminium rod b on which the resistance wire is wound and is held in heat-resisting liner k in a cylindrical casing a with a handle through which current leads pass. The heating element may be enclosed in a watertight casing and used as an immersion heater. Specification 564,005 is referred to.
Patent GB-728057-A (GB)
Title: Improvements in or relating to process for refining hydrocarbon distillates
Inventor: TOM THEODORE BENTON
IPC: C10G27/04
Filed: 1952-02-21
Abstract: Mercaptans are removed from sour hydrocarbon distillates, without formation of colour greater than about 1 N.P.A. therein, by intimately contacting the distillate with about 1-15 per cent. by volume of an aqueous solution of caustic potash having a concentration of about 50-60 per cent. by weight, introducing an oxygen-containing gas into the mixture of distillate and caustic potash, maintaining the temperature of contacting at about 100-125 DEG  F. and separating spent caustic potash solution and associated reaction products from the treated distillate. Hydrocarbon distillates mentioned are heavy naphtha, kerosene, diesel oil, fuel oil, heater oil and furnace oil, which are derived from the distillation of crude or from cracking processes, either thermal or catalytic.  The oxygen-containing gas may be air or oxygen, a pressure of 25-200 p.s.i.g. being satisfactory when air is employed, but superatmospheric pressure being usually unnecessary in the case of oxygen.  The amount of oxygen employed either as air or commercial oxygen is preferably about 1 1/2 -2\ba1/2 times that theoretically required for converting the mercaptans present to disulphides.  The hydrocarbon distillate may be given a preliminary wash with an alkaline solution, such as sodium hydroxide or carbonate, to remove hydrogen sulphide if this is present in the distillate.  After the caustic potash treatment, the distillate may be passed through fibrous or finely granular material such as glass wool, rock wool or sand, and then washed with water, to remove traces of caustic potash. Potassium cresylates separate from the spent caustic potash as an upper layer and after these have been removed the caustic potash may be reconcentrated for further use.
Patent GB-887691-A (GB)
Title: Aromatic fluorine compounds employed in the production of polymeric gums
IPC: C07C39/27
Filed: 1960-02-10
Abstract: Pentafluorophenol is produced by heating hexafluorobenzene with solid or alcoholic potassium hydroxide in the presence of pyridine, or a mixture of pyridine and dioxane, and then acidifying the cooled reaction-mixture to liberate pentafluorophenol from its potassium salt.  When alcoholic potassium hydroxide is used in the reaction, a large yield of tetrafluorodihydroxybenzene and small amounts of pentafluorophenetole and tetrafluorodiethoxybenzene are produced, in addition to pentafluorophenol.  Examples 7 and 8 relate to the preparation of the sodium, ammonium and silver salts of pentafluorophenol.  When heated at 200 DEG C.-350 DEG C., these salts give gums of the formula C6F5-(O-C6H4)y-OX where X=Na, Ag &c. and y is 10 to 15.  Pentafluorophenylbenzoate is formed when pentafluorophenol is reacted with benzoyl chloride in pyridine. Example 6 describes the preparation of pentachlorotoluene by reacting hexafluorobenzene with methyllithium in ethereal solution.