baber/WOPTO huggingface dataset:
Patent GB-147051-A (GB)
Title: Treatment of coke-oven gases
IPC: F25J3/06
Filed: 1920-07-06
Abstract: The process for separating the constituents of coke-oven gases described in the parent Specification is modified as follows:-The gases after the removal of by-products and of carbon dioxide and easily condensible constituents are compressed and cooled, for example to a pressure of 30 atmospheres and a temperature of -150 DEG C., so as to liquefy all the remaining carbon compounds-ethylene, methane, carbon monoxide-and the liquid so obtained gives, when the pressure is relieved, a gas valuable for lighting, heating, or welding; the remaining gases-nitrogen and hydrogen-may be used for the synthesis of ammonia, any adjustment in proportions being made if necessary by the addition of the wanted component, or if the gas contains a surplus of nitrogen by liquefaction of a part of the nitrogen by slightly raising the compression pressure or by slightly lowering the liquefaction temperature.  The carbon monoxide may be separated from the liquefied portion by relieving the pressure to such a degree that the carbon monoxide alone escapes by a gas; or the carbon monoxide and carbon dioxide may be separated by first passing the gases under pressure through a series of absorbent liquids, in which case it is adequate to employ a temperature of -100 DEG  C. and a pressure of two atmospheres in the subsequent liquefaction. Specification 18936/11, [Class 8 (ii), Air and gases, Treating &c.], is referred to.
Patent GB-219490-A (GB)
Title: Floating safe
IPC: B63C7/30
Filed: 1923-07-24
Abstract: 219,490. Nanni, M. July 24, 1923. Spring supports.- A float and floating safes arranged in a vertical casing 10 in a ship are provided with brackets 34 slidably supporting spindles which are pressed by springs 38 and carry rollers 33 co-operating with vertical angle iron tracks 32 in the casing whereby the float and safes are guided out of the casing when the ship sinks.
Patent GB-689201-A (GB)
Title: A tool for cutting metal wire or strip
IPC: B65B13/18
Filed: 1950-08-01
Abstract: 689,201. Shearing. TOVEY, G. July 25, 1951 [Aug. 1, 1950], No. 19164/50. Class 83 (iv). [Also in Group XXIII] The two lever-like parts of wire cutting pliers are each provided with a nose piece b slotted at h, the parts being separated for use in severing a metal strip. Opposite edges of the strip g are engaged in the slots h, angular movement of the handles causing tearing or cutting of the strip.
Patent GB-721973-A (GB)
Title: Improvements in or relating to cold cathode gaseous discharge tubes
Inventor: BACK RAYMOND RICHARD
IPC: H01J17/40
Filed: 1952-07-29
Abstract: 721,973. Glow discharge lamps. HIVAC, Ltd. March 23, 1953 [July 29, 1952]. No. 19179/52. Class 39 (1). A cold-cathode gas-filled trigger tube adapted to form a visual indicator device comprises a cathode 15, anode 24 and trigger electrode 30. The tubular glass envelope 10 has a flat wall 11 at one end through which the cathode glow can be observed, and a flattened pinch 12 and laterally displaced sealing pip 37 at the other end. A glass stem 13 extending from the pinch 12 is provided with an integral flange 14. The cathode 15, in the form of a part-spherical or part-paraboloidal cup, is supported by two wires 18 both anchored in the flange 14 and one continued as a connecting lead 19 which passes alongside the stem 13 and then through the pinch 12 to form an external connecting lead. The inside surface of the cathode 15 is coated with an emissive material of low work function while the outside surface is treated, for example by calorizing, to provide a surface layer of high work function. The anode 24 is located in an axial bore of the stem 13 with the tip portion 25 of the anode sunk a few millimetres below the level of the upper surface of the flange 14. The trigger electrode 30 comprises a wire ring 31 of approximately the same diameter as the smaller end 16 of the cathode 15 and is supported just inside the said end 16 by a connecting wire 32 which is anchored as by spot welding to a wire 33 which is sealed through the flange 14 and continued through the pinch 12 as an external connecting lead. A further wire 35 sealed in the flange 14 supports a getter pellet 36. The connecting wires and supports are preferably coated with alumina or other material having a high work function to prevent undesired discharges. The filling is an inert gas such as neon or argon or a mixture thereof. In a modified construction the stem 13 with the integral flange 14 is made as a separate element and the electrodes mounted thereon and then connected by welding to leads which are disposed around the centre of a glass base element and sealed therethrough. The envelope is then fused to the circumference of the base element which has an exhaust tip at its centre. In this arrangement the wire ring 31 of the trigger electrode is of smaller diameter than the end 16 of the cathode 15 and is located in the same plane as the said end 16. The cathode may alternatively be of truncated conical form and the trigger electrode in the form of a short cylinder or a simple projecting wire. The larger end of the cathode may be shaped distinctively to facilitate differentiation between one indicator tube and another.
Patent GB-122674-A (GB)
Title: Improvements in or relating to Regenerative Gas Fired Furnaces.
Inventor: DAVIS HAROLD NEWSOM
IPC: F23L15/02
Filed: 1917-12-28
Abstract: 122,674. Davis, H. N., and Twigg, W. R. Dec. 28, 1917. Reversing-valves for regenerative furnaces. The gas and air reversing valves are simultaneously operated by rigid connexions. As shown in Fig. 1, which is a plan view, the air valve 3 and the gas valves 13, 14 are arranged with their axes vertical in the same vertical plane, and their actuating-levers are connected together by a common actuating-rod 20. A similar arrangement is described in which the valves have their axis horizontal. Fig. 4 shows in elevation an arrangement in which the gas valve 42 and the air valve 4 are co-axially arranged with a common spindle. Three such sets of valves may be connected together by chain gearing so as to be operated simultaneously. Valves arranged at the rear of the furnace may be operated by a spindle extending to the front, and weights may be fitted to retain the valves in their operative positions. Valves for admitting compressed air to the burners may be arranged to be operated by the same means as the reversing- valves.
Patent GB-919109-A (GB)
Title: Improvements in or relating to a cobalt complex of a mercapto benzothiazole
IPC: C07D277/72
Filed: 1959-06-04
Abstract: A cobalt compound having a composition corresponding substantially to the formula <FORM:0919109/IV (b)/1> is prepared by adding one part by weight of COCl2.6H2O to about 5 parts by weight of an aqueous alcoholic solution of sodium mercaptobenzothiazolate obtained by mixing about 76% by weight of ethyl alcohol with about 14% by weight of mercaptobenzothiazole in powder form and about 10% by weight of caustic soda in aqueous solution having a concentration of about 32%, agitating the mixture of cobalt chloride and sodium mercaptobenzothiazolate until reaction is complete and separating and recovering from the reaction products, the resulting precipitate of cobalt mercapto-benzothiazolate of the above specified composition. An example is given.  The product is a rubber vulcaniser.
Patent GB-600090-A (GB)
Title: Manufacture of improved chromiferous textile printing colours or dyes
IPC: D06P1/36
Filed: 1945-07-27
Abstract: Printing colours which yield prints soft to the touch are prepared by adding to a chromiferous textile printing colour containing gum, a metal compound that in aqueous solution yields colourless di- or tri-valent cations and with chromates forms no insoluble salt.  In a modification, the metal compound is reacted with chromic acid or an alkali or ammonium chromate or dichromate, and the product subsequently added to a printing colour.  A base may be added to neutralize the acid reaction which may result from combination of the metal compound and the chromate.  Suitable salts are the salts of zinc, cadmium, magnesium, calcium, strontium and aluminium.  In an example, solutions of sodium dichromate, zinc sulphate and ammonia are mixed and the precipitate which contains Cr, Zn and NH3 in the atomic ratio approximately 3 : 2 : 2, is incorporated with a printing paste containing Chromazurol S conc., urea, gum, water and acetic acid.  In a second example, the metal salt is replaced by a salt obtained by (a) mixing aqueous solutions of sodium dichromate, zinc sulphate and caustic soda or potash and drying; (b) mixing aqueous solutions of sodium dichromate and magnesium sulphate; (c) mixing sodium dichromate and anhydrous calcium chloride and drying; (d) mixing aqueous solutions of sodium dichromate, cadmium sulphate (or strontium chloride) and ammonia and drying, or (e) mixing aqueous solutions of sodium dichromate, aluminium sulphate and ammonia.ALSO:Printing colours which yield prints soft to the touch are prepared by adding to a chromiferous textile printing colour containing gum, a metal compound that in aqueous solution yields colourless di- or tri-valent cations and with chromates forms no insoluble salt.  In a modification, the metal compound is reacted with chromic acid or an alkali or ammonium chromate or dichromate, and the product subsequently added to a printing colour.  A base may be added to neutralize the acid reaction which may result from combination of the metal compound and the chromate.  Suitable salts are the salts of zinc, cadmium, magnesium, calcium, strontium and aluminium.  In an example, solutions of sodium dichromate, zinc sulphate and ammonia are mixed and the precipitate, which contains Cr, Zn and NH3 in the atomic ratio approximately 3 : 2 : 2, is incorporated with a printing paste containing Chromazurol S conc., urea, gum, water and acetic acid.  In a second example, the metal salt is replaced by a salt obtained by (a) mixing aqueous solutions of sodium dichromate, zinc sulphate and caustic soda or potash and drying, (b) mixing aqueous solutions of sodium dichromate and magnesium sulphate, (c) mixing sodium dichromate and anhydrous calcium chloride and drying, (d) mixing aqueous solutions of sodium dichromate, cadmium sulphate (or strontium chloride) and ammonia and drying, or (e) mixing aqueous solutions of sodium dichromate, aluminium sulphate and ammonia.
Patent GB-771712-A (GB)
Title: Improvements relating to the manufacture of wafers
IPC: A21C15/00
Filed: 1955-07-04
Abstract: 771,712. Making wafer sandwiches. WOLF, P. July 4, 1955 [July 13, 1954], No. 19259/55. Class 28(1) Filled wafer strips are made by placing a layer of standard-size wafer sheets on a table or conveyer with the sheets abutting one another longitudinally and if desired transversely, spreading a layer of filling over the wafer sheets and then placing a further layer of wafer sheets on top so that the joints between separate wafer sheets in the upper layer do not coincide with the joints between wafer sheets in the lower layer. As shown, wafer sheets are deposited on to conveyer belt 1 and are fed, assisted by a feed roll 2, under a device 3 to receive a layer of filling. A layer of wafer sheets is placed on to the filling and the strip is then compressed by a roll 4. A second layer of filling may be deposited from device 5 on to the strip and a further layer of wafer sheets deposited on the filling, the joints between these wafer sheets being offset from the joints between those of the layer immediately beneath. A further roller 4<SP>1</SP> compresses the strip again. Further layers of filling and wafer sheets may be added as required. The finished strip is cut up.
Patent GB-902268-A (GB)
Title: Lightning protection systems for aircraft
IPC: B64D45/02
Filed: 1960-06-01
Abstract: 902,268. Lightning arresters. DOUGLAS AIRCRAFT CO. Inc. June 1, 1960 [June 11, 1959], No. 19358/60. Class 38 (4). A lightning arrester for an aircraft plastic section such as a nose cone comprises a series of metal foil strips 10 such as aluminium alloy tape adhesively bonded to the surface, each strip being individually grounded as at 12 to the aircraft fuselage 14. The tapes should not occupy more than 50% of the area of the cone nor be less than 18 inches apart or 18 inches from the fuselage. The adhesive, which is of an electrically and thermally resistant type, may be attached to the cone or the tape, and after installation the whole of the cone is covered with a catalyzed epoxy paint. A lightning stroke fractures a tape which is exploded from the point of contact, providing an ionized trail which conducts the main stroke of the lightning discharge.
Patent GB-1394498-A (GB)
Title: Gaseous flux laser generator
IPC: H01S3/0979
Filed: 1973-04-24
Abstract: 1394498 Lasers COMPAGNIE GENERALE D'ELECTRICITE 24 April 1973 [20 April 1972 18 May 1972] 19445/73 Heading H1C In a gas laser a first gas (e.g. N 2 ) is injected into an enclosure 1, Fig. 1, via a nozzle 4 shaped so as to create a turbulent flow and is subjected to an electric discharge prior to mixing with a second gas (e.g. CO 2 ) in expansion chamber 6. The turbulent flow allows a strong homogeneous discharge to be set up in the enclosure so that the first gas is efficiently excited. When the gases mix the second gas is excited by transfer of vibrational energy from the first gas and a laser output is produced by resonator mirrors 7, 8. The discharge is formed between nozzle 4 and injectors 5 which also feed the CO 2  into the expansion chamber. The injectors are water cooled at 11 and supplied with CO 2  from source SC. A vacuum pump SV maintains the expansion chamber at low pressure. Nozzle 4 may be bifurcated, Fig. 3 (not shown), and several such nozzles may be used.
Patent GB-999952-A (GB)
Title: Bar and wire processing machine
Inventor: JONES CARL BEVAN
IPC: B21C1/30
Filed: 1964-05-11
Abstract: 999,952. Rolling; producing metal bars. VAUGHN MACHINERY CO. May 11, 1964, No. 19460/64. Headings B3A and B3M. A machine for producing rolled and drawn rod or wire includes a number of alternately vertical and horizontal roll stands 9, a drawing die 12, and a feeding device 16 which pulls the tail of a rod through the die 12. The rod is normally pushed through the die by the action of the rolls of the stands 9, but when the tail passes a predetermined point intermediate the first and last stands, a switch is actuated, causing rams 55 of the device 16 to be moved downwardly such that an upper chain 58 exerts a pulling force on the rod. The rod is provided from reels 1A and 1B, passes feed rolls 3 and straightening rolls 4 and is rolled to oval and round cross-sections alternately in the stands 9. After drawing in the die 12, the rod is straightened in a rotary straightener 15 and passes through a caterpillar feed unit to a flying shear 17 and a run-out table 18. Guides 6, 11 and 65 are provided for the rod. The horizontal and vertical stands are similar, each having a single driving motor and a pair of overhung rolls 10 mounted in bearings 35 and 36. The upper roll 10, Fig. 3, is vertically adjustable in a plate 32 by means of a screw 43 provided with a hand wheel 45 and lock-nut 46. The mill stand motors all run at the same speed, with the reduction gearing for each stand determining the roll speeds. In an example, stock of 0À813 Œ 0À015 inch diameter is reduced by rolling to 0.760 inch and by drawing to 0.750 + 0-000 inch. - 0-002
Patent GB-572717-A (GB)
Title: Improvements in or connected with fastening devices
IPC: E05C19/14
Filed: 1943-11-22
Abstract: 572,717. Fasteners. GREENMAN, M. H. Nov. 22, 1943, No. 19468. [Class 44] A hasp 5 engages a hook 6 and has its ends turned outwards and pivoted to a U-shaped lever 3 that is mounted on pivots 4 on lugs 2 of a bracket 1. When in the locked position, the pivots 5b are offset towards the bracket 1 from a plane through the pivots 4 and the engagement between the hasp 5 and the hook 6. The lower back portion of the U-shaped lever 3 is recessed to enable the fingers to be inserted to release the fastening.
Patent GB-308247-A (GB)
Title: Apparatus for distant observation of oscillations of objects
IPC: G01V1/18
Filed: 1928-07-05
Abstract: 308,247. Ganz - Fele Villamossagi Reszvenytarsasag. March 20, 1928, [Convention date]. Vibrations, indicating &c. - A device for the distant observation of the oscillations of moving members such as bridges, buildings, machine parts &c. comprises a frame carrying a pendulum weight on two flat spring pivots mounted on the object under observation and a two plate condenser for converting the relative movement between the member and object into electric oscillations in a circuit connected to on oscillograph. As shown applied to a machine bearing Fig. 1 the bearing 1 has secured thereto a frame 2 from which is suspended a pendulum mass 3 by means of strips 4 and steel bands 5<a>, 5<b>, Fig. 2, arranged in one plane. The mass is so chosen that its natural period of oscillation is a multiple of that of the oscillations to be observed. One surface 6 of the mass 3 forms a condenser plate while the second plate 7 is mounted, by means of a ball and socket joint 10 in combination with three set screws 11, on an arm 8 pivoted to the frame 2 preferably in alignment with the bands 5<a>, 5b. A screw 9 is provided to regulate the distance between the plates 6, 7. An oscillograph for use with the apparatus is shown in Fig. 3 and comprises a pot magnet 12 with an adjustable core 13, a diaphragm 14, and a needle 15 connected to a mirror 17 on a spindle 16. The Specification as open to inspection under Sect. 91 (3) (a) states also that a grain microphone, or a piezo-electric crystal may be provided to convert the mechanical vibrations into electric undulations. A device may also be used in which the mechanical oscillations produce, by means of a flexible diaphragm changes of pressure in a gas conducting an electron discharge. This subject-matter does not appear in the Specification as accepted.
Patent GB-312527-A (GB)
Title: Improvements in or relating to braking devices for vehicles, for use as steering brakes particularly for endless track and other motor vehicles
IPC: B62D11/08
Filed: 1928-07-05
Abstract: 312,527. Bauchet, H. July 5, 1928. Differential braking for steering.-The steering-brakes 13, 13<a> of endless-track and other motor vehicles are enclosed in separate fluidtight casings 20 independent of the ordinary gearbox 5 and are cooled by the engine fuel which is thus supplied to the engine in a heated condition. The fuel tank 4 supplies fuel through a pipe 23, a constant-level device 22, and a pipe 21 to the casings 20, and the heated fuel is fed from the casings to the carburettor 26 by means of an aspirator 24 or a pump. The driving gear comprises a differential gear 6, gear trains 8, 9, and pinions 11, 11<a> driving internally-toothed wheels carried by the endless-track sprockets 12.
Patent GB-678218-A (GB)
Title: Improvements relating to pressure exchangers
IPC: F04F13/00
Filed: 1949-07-25
Abstract: 678,218. Pressure exchangers. JENDRASSIK, G. July 13, 1950 [July 25, 1949], No. 19557/49. Class 8 (i) A pressure exchanger comprises bearing means common to the cell ring and the end plate and a mounting for the end plate to be axially displaced whereby axial thermal expansion of the cell ring effects equal axial movement of the end plate. A casing 1 contains a cell ring 25 on an expansible shaft 12, 13 mounted on a bearing 11 in the casing at one end and secured at the other end to the inner race of a thrust bearing 10, the outer race of which is secured to an end plate 5 having distribution ducts 16, 18. The plate 5 has a tubular extension 29 slidably mounted in a boss 30 formed on an outer cover 7. An extension 12a of the shaft 12 passes through the extension 29 and is supported by a bearing 31 therein. Tilting of plate 5 is prevented by three pistons 35 in cylinders 34 connected by rods 36 to the end plate 5. The upper cylinders 35 on either side of the high pressure duct 18 are connected by a pipe 57 to high pressure fluid while the lower cylinder is open to atmosphere. The space between the plates 5, 7 is kept at an intermediate pressure. The three pistons may be replaced by a single cylinder acting through linkage. In a modification, Fig. 5, the extension 29, boss 30 and pistons 35 are dispensed with and shafts 43, 44 are supported in the cover 7, arms 49, 50, 51, 52 are secured to the shafts 43, 44 and are connected by links 53, 54, 55, 56 to the end plate 5. Specifications 290,669, [Class 8 (i)], 427,957 and 553,208 are referred to.
Patent GB-1058861-A (GB)
Title: A graphical nulling device for nondestructive eddy current testing equipment
IPC: G01N27/90
Filed: 1965-05-10
Abstract: 1,058,861. Electrophysical measurement. UNITED STATES ATOMIC ENERGY COMMISSION. May 10, 1965 [Aug. 26, 1964], No. 19715/65. Heading G1N. In a non-destructive eddy current testing device the output from the sensing head (coils 10, 12), is measured by a null method, the nulling voltage E. AB  being derived from phase shifters 32, 34 providing x and y components whose respective amplitudes are varied by potentiometers 28, 30 or variable induction devices controlled by the position of a plotting arm 24 which also provides a graphical display on a sheet of paper 26. The construction of some articulated plotting arms is illustrated Fig.2, 3, 5, 6, (not shown), and a rectilinearly moving plotting carriage Fig. 7 (not shown). The preferred embodiment comprises a "polar" plotting arm in which rotation of the arm controls a potentiometer 84 in a phase-shift circuit, and the position of the marker along the arm controls the amplitude by a potentiometer 90 in the output of a cathode follower, Figs. 8, 9, 10 (not shown).
Patent GB-1149502-A (GB)
Title: Improved heat-treatment for magnesium-base alloys
Inventor: STRATFORD DAVID JAMES
IPC: C22F1/06
Filed: 1965-05-11
Abstract: 1,149,502. Working at specified temperatures. BIRMETALS Ltd. 10 May, 1966 [11 May, 1965], No. 19757/65. Heading B3V. [Also in Division C7] Magnesium-base alloys containing about 6% of zinc and 1¢% of manganese are extruded at 380‹ C. before heat-treatment involving a twostage ageing process. As exemplified, 2-inch diameter bar was extruded from a 12-inch diameter billet at 2 feet per minute, while extruded bar of 3À6-inch diameter was reextruded to 0À75-inch diameter.
Patent GB-338929-A (GB)
Title: Improvements in or relating to transmission gears
IPC: F16H47/08
Filed: 1929-06-27
Abstract: 338,929. Maina, J. June 27, 1929. Clutches and speed-varying mechanism.-In transmission gearing comprising epicyclic gearing combined with hydraulic gearing of the pump-and-turbine type, the driving shaft b is connected to the annulus of the epicyclic gearing and to the casing a<2> of the hydraulic gear, the planet wheel carrier m and the turbine h are connected to the driven shaft k, and the sun wheel e is connected to the pump g. Frictional means r, q, p, may be operated to secure a direct drive, and cooling ribs o and additional gearing may be provided.