baber/WOPTO huggingface dataset:
Patent GB-385292-A (GB)
Title: Luminous signalling device for bicycles and like vehicles
IPC: B62J6/00
Filed: 1931-03-19
Abstract: 385,292. Road -traffic signals on vehicles. LABOULLE, L., 14, Rue Edouard Wacken, Liege, Belgium. March 19, 1931, No. 8547. Convention date, March 19, 1930. Void [Published under Sect. 91 of the Acts.] [Class 118 (ii).] A " stop " signal on a bicycle or other vehicle is automatically illuminated by a switch operated by the brake elements or hand grip. The signal 8a is carried by the hinged lid 8 of a casing which houses the lamp 3 and battery 4, and which may follow the shape of the mudguard. The switch for the lamp may be operated by the pivoted brake member 10 carrying the shoe. The member 10 forces a sliding member 12 against a spring-pressed tip 13a at the end of an adjustable rod 13 and so completes the circuit, the initial movement of the member 12 serving to compress a spring 12r. In modifications the switch elements are formed by spring-separated parts in the brake-shoe holder or in the hand grip. The switch may be fitted to and operated by 'the brake pedal. It may be permanently closed while the rider is absent.
Patent GB-201114-A (GB)
Title: Improvements in hinge lasts
IPC: A43D3/02
Filed: 1923-03-26
Abstract: 201,114. Iredale, J. C. March 26, 1923. Lasts.-A hinge member 3 connects the fore part 1 and heel part 2, and a resilient fulcrum 4 is interposed between the fore and heel parts. The resilient fulcrum may consist of a helical spring, Fig. 3, or a cylindrical spring, Fig. 4, engaging opposed recesses in the fore and heel parts respectively. Reference has been directed by the Comptroller to Specification 210..523.
Patent GB-672906-A (GB)
Title: Vat dyestuffs of the acedianthrone series
IPC: C09B3/60
Filed: 1949-03-30
Abstract: Dyes are made by condensing one molecular proportion of a 4,10-dihalogenanthanthrone with two molecular proportions of a monoaminoacedianthrone, or by condensing one molecular proportion of an aminoacedianthrone with the condensation product of one mol. of a 4,10-dihalogenanthanthrone with one mol. of an aminoacedianthrone. The products dye or print cotton olive-brown shades.  The aminoacedianthrone may be obtained by reducing the product obtained by nitrating acedianthrone in nitrobenzene or in sulphuric acid.  In examples, 1 mol. 4,10-dibromo- or dichloro- or 4-bromo-10-iodo-anthanthrone is condensed with 2 mols. aminoacedianthrone.  Specification 453,853 is referred to.
Patent GB-238814-A (GB)
Title: An improved device for filtering wine, beer, spirits or other liquors
Filed: 1925-04-01
Abstract: 238,814. Zigelman, H. April 1, 1925. Funnel filters.-In a filter for beer &c. the rim 3, which retains sediment, also positions the filtering element, which may consist of perforated parts 4, 5 and a pad 6. The rim 3 is preferably pressed up from the bottom of the vessel 1, and a disc 9 taking into the pressed-up portion serves to support a boss 8 for a delivery pipe 11. A support 12 for the filter is provided.
Patent GB-396332-A (GB)
Title: Improvements in and relating to jigger conveyors
IPC: B65G27/00
Filed: 1933-03-22
Abstract: 396,332. Jigging conveyers. EICKHOFF, A., (trading as EICKHOFF MASCHINENFABRIK UND EISENGIESSEREI, GEB.), 176, Hunscheidtstrasse, Bochum, Germany. March 22, 1933, No. 8666. Convention date, April 23, 1932. [Class 78 (i).] In means for connecting adjacent sections of troughing of the kind in which a pair of U-shaped yokes b pivoted to a transverse beam a<1> attached to the end of one section embrace the ends of a similar beam a<2> secured to the next section, a longitudinally displaceable wedge k and packing members f are inserted in the spaces between the ends of the beams. These parts are held together by a plate h and lugs j on the members f. In a modification a pair of wedge members movable in opposite directions are placed between the packing members. In a further modification jaw-shaped packing members are forced apart and clamped between the beams by the rotation of a bolt of oval cross-section.
Patent GB-854280-A (GB)
Title: Improvements in boxes made of cardboard or like material
Inventor: CHIDGEY ALFRED LEONARD
IPC: B65D5/465
Filed: 1956-03-20
Abstract: 854,280. Cartons. ROBINSON Ltd., E. S. & A. March 20, 1957 [March 20, 1956], No. 8670/56. Class 18. A carton has a dress hanger 10 attached to one end, the hanger being integral with a handle portion 11 and suspended centrally between the front and back of the top wall 7. Straps 17 are stapled to the intermediate wall 3 The side walls 5 have internal panels 13 secured to them so that side walls 14 may fit between the panels 13 and walls 5.
Patent GB-741380-A (GB)
Title: Process for the production of aromatic dicarboxylic acids
IPC: C07C51/265
Filed: 1953-03-30
Abstract: A process for the production of aromatic dicarboxylic acids comprises heating a halogeno-methyl-alkyl benzene in aqueous suspension in the presence of a base the concentration of which is from about 1 per cent to about 50 per cent and oxygen, or an oxygen-containing gas, preferably under elevated pressure from about 20 to about 250 atmospheres, and is characterized by oxidizing in the presence of an oxidation catalyst. Halogenomethyl - alkyl benzenes mentioned include 1 - chloro - methyl - 4 - methyl benzene, 1-chloromethyl - 2 - methyl benzene, 1 - bromomethyl - 4 - methyl benzene, 1 - bromomethyl - 2 - methyl benzene, 1 - chloromethyl-4 - ethyl benzene, 1 - chloromethyl - 4 - n-propyl benzene, 1 - chloromethyl - 4 - isopropyl - benzene, 1 - bromomethyl - 4 - isopropyl benzene and 1-chloromethyl-4-amyl benzene.  Mixtures of these starting materials may be employed, e.g. 1-chloromethyl-4-methyl benzene and 1-chloromethyl-2-methyl benzene may be oxidized and the phthalic and terephthalic acids separated. Oxidation catalysts mentioned include the oxides and/or salts of heavy metals such as silver oxide, cobalt oxide, copper oxide, manganese or lead oxide or peroxide or naphthenates or stearates of cobalt or manganese or mixtures of such materials.  Bases mentioned are sodium, potassium or calcium hydroxide solution.  The process may be carried out continuously.  Oxalic and carbonic acids are produced as byproducts and sufficient excess of base is preferably employed to yield an alkaline mixture on completion of the reaction.  In examples: terephthalic acid containing some p-toluic acid is produced by treating 1-chloromethyl-4-methyl-benzene with air in the presence of caustic soda solution, lead oxide and lead peroxide at elevated temperature and pressure and acidifying the reaction product (1); in a similar process 1-chloromethyl-4-ethyl benzene, produced by reacting formaldehyde and ethyl benzene in the presence of hydrochloric acid, is employed as starting material (2); and in a similar process a mixture of 1-chloromethyl-4-and 2-methyl benzenes is employed as starting material, terephthalic acid is precipitated on acidification of the reaction mixture and filtered off and phthalic acid is extracted from the filtrate with ether whilst p-toluic acid is produced as a by-product.
Patent GB-228744-A (GB)
Title: Improvements in and relating to bottom trawling nets
IPC: A01K73/02
Filed: 1924-04-08
Abstract: 228,744. Marks, E. C. R., (Dresdner Netzwerke Ges.). April 8, 1924. Drawings to Specification. Nets.-A trawl net is made up of pieces of machine-made net cut by oblique cuts from strips of various widths joined together by hand-netting.
Patent GB-829106-A (GB)
Title: Process for the manufacture of acrylonitrile
Filed: 1956-03-22
Abstract: Acrylonitrile is made by the pyrolysis of acetyl-lactonitrile vapour in the presence of one or more of: Ag, V, Mo, W, Pt, or an alloy thereof with a different metal, e.g. iron.  The catalyst may be in the form of shavings, sheet metal or wire, but is preferably on a carrier, e.g. the wall of the reaction vessel, and is preferably made by precipitating a compound of the metal (e.g. oxide) on the carrier and then converting this to the metal. Suitable conditions are a temperature of 600-650 DEG  C. (preferably 610-635 DEG  C.) and a flow rate of not more than 1.5 kg. per litre of catalyst space per hour.  The acetyl-lactonitrile vapour can be diluted with an inert gas such as nitrogen, and the flow rate can be controlled by this or by varying the pressure above or below atmospheric.  Examples are given of the use as catalyst of (1) a silver-plated copper tube, (2) a molybdenumcoated stainless steel tube, (3) an internally-heated helix made of a tube of Ni-Cr-Mo-Fe alloy, (4) a tungsten wire helix, (5) a vanadium-coated copper tube, and (6) a platinum-coated copper tube.
Patent GB-548470-A (GB)
Title: Improvements in or relating to electric switch bodies and the arrangement of electric conductors therein
IPC: H01H23/02
Filed: 1941-07-17
Abstract: 548,470. Snap-action switches; mercury switches; contacts. O'BRIEN, J. F. July 17, 1941, No. 9042. Convention date, Aug. 27, 1940. [Class 38 (v)] The switch body has two conductors extending along it connected to the two poles of a source of supply. One conductor is interrupted in its length. One pole of a circuit-breaker is connected to one part of the interrupted conductor and the other pole is optionally connected either to the other part of the same conductor or to the other conductor. In the example, a finger piece 21 with trunnions 44 operates a rotating mercury switch 22 of the type with two metal cups 22b, separated at their edges by an insulating disc 22c, mercury in the two cups being connected at one point of its rotation by an eccentrically placed aperture in the disc. The switch element is held in place in a casing by a pivoted cup 36 on one side and a saddle 40, retained by the cover 24, on the other, and is moved with a snap action by the finger piece 21 through a link 51, pivoted to the cup 36 and having a pin and slot connection to the member 21. Extensions 60a on the saddle retain the trunnions 44. There may be a compartment in the casing 25 to contain a lamp which may be arranged to light when the switch is "on" or " off." As described, the switch is arranged for plug and socket connection at 27, 28 with conductors in strip casings and the electrical parts are connected with the longitudinal conductors 30, the continuous one of which only is shown, by clips 68. 74, 56, 57. Specification 540,157, [Group XXXVI], is referred to.
Patent GB-1220663-A (GB)
Title: A tube for recording ultra-high speed variations in high intensity light
Inventor: MAYER G
IPC: H01J31/50
Filed: 1969-02-19
Abstract: 1,220,663. Image intensifier tubes. THOMSON CSF. 19 Feb., 1969 [20 Feb., 1968], No. 9107/69. Heading H1D. In an image intensifier for recording variations in light intensity lasting for about 1 nanosecond and wherein an electron image produced by the light is deflected over a luminescent screen which is photographed, means are provided whereby variations in transit time of electrons from the photocathode to the deflecting electrodes due to different emission velocities are small compared with the duration of the event to be recorded. In one arrangement, Fig. 4 (not shown), three cylindrical electrodes forming a lens and accelerating system are arranged between the photocathode and the deflection plates. In a modification, Fig. 5 (not shown), the three electrodes each comprise a pair of parallel plates, and in a modification of this arrangement, Fig. 6 (not shown), the final anode comprises a pair of plates normal to the axis. In a further arrangement, Fig. 7 (not shown), the electrode system is similar to that shown in Fig. 10 wherein the deflection plates 25 are disposed between the two anodes 20 and 20<SP>1</SP> (which are also pairs of parallel plates) and serve as part of the lens system. With this arrangement the electrodes 20 and 20<SP>1</SP> may be formed integrally as a box provided with apertures across which the deflection plates 25 are supported by staples and insulator beads (Fig. 8, not shown). Cylinders 40 are soldered to the edges of the box to reduce corona discharges. In Fig. 10 the lens system is preceded by two electron spectrographs 35a and 35b forming a virtual cathode with low velocity spread at the slot 37. Also in this tube the photocathode comprises a metal layer 31 with a slit 32 disposed between a transparent conductive layer 30 and a photo-emissive layer 33; this avoids the need for an external slit in the optical input system.
Patent GB-920040-A (GB)
Title: Dispenser for dispensing material such as powdered detergent in appliances such as dishwashers
Inventor: BRAGA ALBERT TONY
IPC: A47L15/44
Filed: 1961-03-13
Abstract: 920,040. Dishwashing machines. WHIRLPOOL CORPORATION. March 13, 1961, No. 9167/61. Class 138 (1). A dispenser for powdered detergent in a dishwashing machine comprises a cup supported by a control member and released for pivotal movement from a charge holding to a charge dispensing position. As shown, cups 16, 17 are pivotally mounted in the charge holding position, in which cup 17 is shown, on posts 18. Cam 15 controls the withdrawal of rod 28 from supporting fingers 26, release of which permits cup 16 or 17 to rotate under gravity into the position in which cup 16 is shown, lid 22 falling open to permit dispensing of the contents of the cup.
Patent GB-1048271-A (GB)
Title: Improvements in or relating to pipe couplings
Inventor: PAISH HAROLD PHILLIP SIDNEY
IPC: F16L27/10
Filed: 1963-03-07
Abstract: 1,048,271. Pipe Joints. HENRY SYKES Ltd. March 13, 1964 [March 7, 1963], No. 9179/63. Heading F2G. A suction pipe coupling comprises at least one coupling member 13 which has a socket adapted to receive a spigot pipe 12 and has the internal face thereof formed with a recess 18 which converges in the inward axial direction and terminates in radial shoulders 19, 20. A ring 21 of rubber is located in the recess and to be drawn by the reduced pressure towards the minimum annular space formed between the recess and pipe 12 so that, in use, the ring is urged into sealing contact with the socket and pipe.
Patent GB-1164989-A (GB)
Title: Improvements relating to Air Supported Shelters.
Inventor: MCLORG TERENCE WYNDHAM
IPC: E04H15/22
Filed: 1968-02-27
Abstract: 1,164,989. Inflatable buildings. T. W. MCLORG. 27 Feb., 1968 [13 March, 1967], No. 9331/68. Heading E1A. A pneumatically inflated shelter said to be. suitable for covering a large area such as a town consists of a membrane made up from sections 13 which are joined edge-to-edge, for a central vent hole or valve 14 and embody an integral arrangement of tension cables 15, 16 anchored by tethering cables 17 serving, if desired, as storm-water drainage channels. The membrane may be made of poly vinyl fluoride- or other materials for details of which including treatment and reinforcing the Specification should be referred to. Each section of the membrane when inflated, is substantially dome-shaped and the shelter is provided with a sloping edge portion reaching to the ground and internal curtain walls as necessary, see Fig. 1 (not shown). For minor details concerning pressurisation, venting and drainage together with mathematical. desiderate the Specification should be referred to.
Patent GB-351519-A (GB)
Title: Improvements in spray carburettors for internal combustion engines
IPC: F02M19/08
Filed: 1930-03-24
Abstract: 351,519. Spray carburetters. SVENSKA ACKUMULATOR AKTIEBOLAGET JUNGNER, 17, Riddaregatan, Stockholm. March 24,1930, No. 9382. Convention date, Feb. 26. [Class 7 (iii).] In a spraying device for fuel having the form of one or m o r e narrow annular spaces at the throat of a carburetter, a pump is arranged to supply additional fuel when the throttle valve is suddenly opened. Fuel from the float chamber 1 passes through an orifice 12, chamber 13, ring 11, oblique channels 10, and a channel 9 to an annular space 8 between two cones 5, 6 in the induction pipe. The cone 6 has a smaller internal diameter than the cone 5, and an air whirl is produced. The space 8 is less than 0À6 mm. in height and is 0À5-3 mms. in breadth. Connected to the throttle valve 3 is a piston 20 which, when the throttle opens, forces extra fuel through the passage 16 to the channel 13. In modifications, the passage 16 opens directly into the cone 5, or another annular space similar to the space 8 is provided. The lower part 2a of the induction pipe is made integral with the float casing while the upper part 2b is made integral with the cover 4. Specification 353,466 is referred to.
Patent GB-964216-A (GB)
Title: Combined gas turbine and steam turbine power installation
IPC: F01K23/10
Filed: 1962-03-12
Abstract: 964,216. Combined gas turbine and steam turbine power plant. BROWN, BOVERI & CO. Ltd. March 12, 1962 [March 30, 1961], No. 9388/62. Headings F1Q and F1T. The invention relates to a combined gas turbine and steam turbine power installation in which heat in the exhaust gases from the gas turbine is utilized to generate steam which is then passed into a low pressure steam turbine. The gas turbine is designed so as to meet the base load demand, the steam turbine being arranged to meet the excess demand during peak load. The waste heat boiler is arranged to have storage capacity whereby it can store surplus heat during load troughs and can meet the demands for extra steam during peak loads. A quick-acting control is provided by which the quantity of steam flowing to the steam turbine may be regulated in accordance with the output of the electric generator driven by the steam turbine. In Fig. 1 the gas turbine plant comprises an air compressor 2, combustion equipment 4 and turbine 1 which drives the compressor and an electric generator 3. The turbine exhaust gases pass to a heat exchanger 5 to generate steam which passes to turbine 6 driving an electric generator 7. The condensate is returned to the steam generator. A control device 8 is provided to regulate the quantity of steam admitted to the turbine in accordance with the output of the generator 7 as determined by a device 13. In a second embodiment, Fig. 2, the steam is generated at two different pressures, the high pressure steam generated in the circuit 16 passing to a high pressure turbine 14 and the lower pressure steam generated in the circuit 17 passing to the lower pressure turbine 15. Steam from the turbine 14 also passes into the lower pressure turbine 15. The steam admission to the turbines 14 and 15 is controlled by means of valves 8 and 20 which are controlled by a device 13 in dependence on the output of the generator 7. The steam generator may be provided with auxiliary firing as shown comprising an air compressor 23 and a fuel burner 12. The compressor may take its suction either from the atmosphere or from the exhaust gas space in the steam generator itself.
Patent GB-351465-A (GB)
Title: Receiving paper for telegraphic writing or printing apparatus
IPC: B41M5/20
Filed: 1930-03-24
Abstract: 351,465. Paper for recording telegraphically. BAUSCH, V., 75, Potsdamerstrasse, Berlin, BAUSCH, V., BAUSCH, T., and BAUSCH, F., (trading as SCHOELLER & BAUSCH, F.), New-Kaliss, Mecklenburg-Schwerin, Germany. March 24, 1930, No. 9391. [Class 96.] To prevent the separation of iodine, during storage, from iodide receiving paper for copying telegraphy, a reduction medium is added to the paper in a quantity many times smaller (e.g. 100 times) that of the iodine. Alternatively, an alkaline acting substance may be added to the paper, and the reducing medium dispensed with. In an example, filter paper is impregnated with a solution of 1 kg. water, 100 gr. potassium iodide, 100 gr. cold suspended starch, 50 gr. dissolved starch and 0À1-1 grs. Rongalit (potassium hydro sulphite formaldehyde). In a second example the paper pulp is treated during the milling with barium hydroxide until one litre contains about 10<-8> gr. hydrogen ions, and the raw paper treated with the solution given above. The reduction medium can be wholly or partially omitted, a content of less than 0À1 gr. Rongalit per 1 kg. of water being sufficient, if potassium bicarbonate (10 gr. per 1 kg. water) be added to the potassium iodide-starch solution given above.
Patent GB-721170-A (GB)
Title: Improvements relating to endless tracks for tractors and other vehicles
IPC: B62D55/253
Filed: 1952-04-16
Abstract: 721,170. Endless tracks for vehicles. CUTHBERTSON, J. A. April 16, 1952, No. 9505/52. Divided out of 721,141. Class 79(1). A flexible unit for a vehicle endless track comprises longitudinally spaced abutment means which are interconnected by a flexible tension member, one of the abutment means extending transverse across the entire width of the unit and the tension member being looped slidably around the transverse abutment means in a transverse direction to form looping lying parallel to the ground so that transversely spaced longitudinal stretches are formed between the abutment means and a transverse stretch is formed across the entire width of the unit and increase in tension in one longitudinal stretch is transmitted through the transverse stretch directly across the entire width of the unit to another longitudinal stretch, and the tension member being in a unitary manner enclosed in, and the abutment means being in a unitary manner embedded in, rubber to form the unit, and the transverse abutment means being so constructed as to facilitate the transmission of the increase in tension. The endless track is formed by abutting a series of the flexible units, adjacent units being interconnected by inner and outer plates and bolts passing therethrough, the outer plates carrying ground engaging spades and the inner plates each carrying a pair of sprocket engaging teeth as shown in Fig. 1 of Specification 721,141. The units may be arranged to leave say 1¢ inches longitudinally between adjacent plates. As shown in Figs. 5 and 6, each unit 1 comprises longitudinally spaced series of pulley wheels 10, one series being staggered relatively to the other. Passing sinuously around the pulleys 10 and forming the longitudinal stretches 9a is a multistrand wire cable 9 forming the flexible tension member, which may be replaced by nylon or other textile cable, the ends of the cable 9 being joined together at 9c to form the transverse stretch 9b. The cable 9 is in a unitary manner enclosed in, and the pulleys 10 in a similar manner embedded in, a rubber block 14, holes 13 being provided for the bolts. A transverse flexible supporting strip 12 of canvas or other semi-stiff material engages the inner sides of the stretches 9a to prevent sharp bending of the stretches. The strip 12 may be replaced by rubber when the track is to operate under light load. In another arrangement, canvas strips engage both the inner and outer sides of the stretches 9a. In a modification, Fig. 10, each unit 1 is formed with two longitudinally spaced pairs of pulley wheels 15, 16, which are engaged by the cable 9 with its ends joined at 9c, thus forming the stretches 9a and 9b.
Patent GB-145195-A (GB)
Title: Improvements in fenders and ashpans for fire places
IPC: F24B1/191
Filed: 1919-04-15
Abstract: 145,195. Johnson, R. April 15, 1919. No Patent granted (Sealing fee not paid). Fenders; ash-pans. - Artificial marble fenders, curbs, and ash-pans for domestic fire-places are made with an outer layer of parian cement or plaster of paris, an inner core of reinforced plaster, and an intermediate layer of plaster, colour being produced by the addition of dry powdered pigments. The mould A, which has a removable side B, is lined with a layer C of parian cement or plaster of parts in a moist state, which is veined by applying the pigment by dabbing or by means of a brush. The pigment is absorbed by the cement, and penetrates through it to the outside. A cement core reinforced bv metal bars E is placed in the mould before or after filling up the space F with a plaster composition. The articles are then dried and polished.