baber/WOPTO huggingface dataset:
Patent GB-960937-A (GB)
Title: Improvements relating to electric circuit breakers having arc chute rupturing means
Inventor: DAVIDSON GEORGE WILSON
IPC: H01H9/34
Filed: 1962-02-26
Abstract: 960,937. Arc rupturing in switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Feb. 20, 1963 [Feb. 21, 1962], No. 7451/62. Heading H2B. An arc chute having insulating side walls 1 is provided with two pairs of conductive, non-magnetic plates 14, 14<SP>1</SP> mounted externally and connected respectively with the contacts 4, 5, there being a gap A between edges of the plates which increases as the distance from the contact gap increases. Multiple parallel connected contacts are provided spaced from one another by perforated, insulating plates 2. The insulating portions of the arc chute are of a moulded phospho-asbestos material such as is disclosed in Specification 589,270 [Group V] and a muffler 11 of the type described in Specification 564,263 [Group XXXVII].
Patent GB-347397-A (GB)
Title: Improvements relating to plug cocks for gas and other fluids
IPC: F16L37/00
Filed: 1930-03-07
Abstract: 347,397. Gas &c. cocks. MORRIS, G. R., (trading as MIDLAND BRASS FITTINGS CO.), 181, Aston Road, Birmingham. March 7, 1930, No. 7453. [Class 135.] In a gas cock particularly applicable in connection with portable gas fires wherein the gas cock plug d, associated with the usual hand-operated plug cock a on the gas supply, is actuated by the act of coupling and uncoupling the flexible piping, the plug d is formed on its outer end with a reverse taper k to nest tightly with a complementary taper m formed within the end of the coupling sleeve f. The plug d lies wholly within the cock body and the extended mouth is formed with a bayonet slot to receive the horns or projections h on the coupling sleeve. Recesses in the outer end of the plug are also engaged by internal projections n in the sleeve whereby the plug d is operated. The flexible or other pipe is connected to the sleeve f by means of the screw g.
Patent GB-1443896-A (GB)
Title: Hydraulic presses
IPC: B30B1/32
Filed: 1974-02-19
Abstract: 1443896 Presses; stamping CARBOX AB 19 Feb 1974 [27 Feb 1973] 7493/74 Headings B3Q B3H and B3E A hydraulic press for operating on heavy plate workpieces form curved plates for ships hulls or pressure vessels comprises a pair of yokes 1, 2 connected together at their ends by columns 3-6 and at least one of which carries at tool carrier 17, 18 which is movable along the yoke. The yokes are moved towards each other by hydraulic cylinders on the frame. In one embodiment, Figs. 1 and 2, the cylinders 15, 16 act between the lower yoke 1 and a pair of blocks 7, 9, Fig. 1, joining the lower ends of the columns 3-6 to draw the whole yoke 2 and column assembly downwards. Alternatively the cylinders (15), (16), Fig. 4 (not shown), may act directly on the top yoke. In a further arrangement (not shown), one cylinder may at one end of the upper yoke and one at the other end of the lower yoke. The yokes are moved together rapidly by pressure from a hydraulic accumulator 11 and pressed together by pressure supplied by hydraulic pumps 12,13 outside the press. The tool carriers may extend outside the press, Fig. 5 (not shown), or extend along the full length of the yokes, Fig. 6 (not shown). One of the column pairs may be pivotable, Fig. 7 (not shown), to allow annular workpieces to be pressed.
Patent GB-442811-A (GB)
Title: Improvements in devices for testing yarn and other filaments for regularity of thickness
IPC: B65H63/06
Filed: 1935-03-11
Abstract: 442,811. Testing yarns, threads, &c. KNOTE, R., 131, Dieskaustrasse, Leipsic, Germany. March 11, 1935, No. 7541. Convention date, March 9, 1934. [Class 120 (iii)] [See also Group XIX] In a device for testing yarns, threads, or other filaments for uniformity of thickness of the kind in which the filament is fed across a slot through which a photo-electric cell is illuminated, the variations in the shading of the cell caused by irregularities in the filament being used to indicate such irregularities, the indicating and recording means are adapted to operate only when the deviation from the normal dimensions exceeds a predetermined value. The yarn 6 to be tested passes adjacent to an adjustable slot 5, Fig. 1, on which light from a source 1 is directed through a lens 3. Variations in the light received by a photoelectric cell 7 actuate a measuring instrument 9 having a pointer 14 provided with four contact pins 15.. 18 and four corresponding contact cups 10 .. 13. A battery 19 is provided, one pole being connected to the pointer 14 and the contact pins while the other pole is connected to four counters 20 .. 23 connected respectively to the contact cups. In a modification the recording circuit comprises a thermionic valve 25, Fig. 2, while, if desired, a record 50, Fig. 3, may be made on a chart 51 by a pencil secured to the pointer 14. The test may be stopped by hand or automatically for removal of the irregular portions of material.
Patent GB-889689-A (GB)
Title: An improved device for controlling the tension in material drawn from a bobbin
Inventor: DERBYSHIRE STANLEY
IPC: B65H23/00
Filed: 1958-03-10
Abstract: 889,689. Feeding webs. BRITISH INSULATED CALLENDER'S (SUBMARINE CABLES) Ltd. March 10, 1959 [March 10, 1958], No. 7608/58. Class 100(1) [Also in Group XXV] Tension in tape, web or other flexible material drawn from a bobbin is regulated by pressure of a brake shoe against the bobbin under the influence of a resilient flexible lever that is controlled by a feeler which engages the surface of the material on the bobbin and influences the flexible lever through a cam. The invention is described as applied to a cable stranding machine in which bobbins 2 are each braked by a brake shoe 11 engaging a rim 6 on the bobbin. As the diameter of the material on the bobbin decreases, arms 21 carrying a feeler roller 23 pivot about a spindle 12 and so rotate a cam 20 pressing on a spring lever 7 to decrease the pressure of the shoe 11 on the brake rim 6. The initial pressure between the brake surfaces is adjustable through screws 15 and sliding brackets 13 carrying the spindle 12. The feeler arms 21 may engage the material under the influence of a spring 25, or by the lever 7, or by weights, or by the weight of the arms 21.
Patent GB-378455-A (GB)
Title: Improvements in sensitising photographic emulsions
IPC: G03C1/16
Filed: 1931-03-12
Abstract: Cyclammonium polymethine dyes.--The Specification as open to inspection under Sect. 91 (3) (a) relates to the production of cyanine dyes from a condensation product of a m -methylnaphthothiazole and to the use of such dyes in sensitizing photographic emulsions.  The dyes comprised by the Specification include the thiocarbocyanines, the thio-pseudocyanines and thioisocyanines derived from a m -methylnaphthothiazole, and the following examples are given: (1) 1-Methyl-a -naphthothiazole is condensed with ethyl-p-toluenesulphonate and the product condensed with 2 mols. of ethyl orthoformate; addition of ammonium bromide precipitates the dyestuff 2 , 2<1>-diethyl-5 : 6 : 5<1> : 6<1>-dibenzothiocarbocyanine bromide: (2) 1-methyl-a -naphthothiazole is condensed with allyl iodide and the quaternary salt condensed with ethyl orthoformate to give 2 : 2<1>-diallyl-5 : 6 : 5<1> : 6<1>-dibenzothiocarbocyanine iodide: (3) 2-methyl-b -naphthothiazole ethyl-p-toluenesulphonate is condensed with 2 mols. of triethyl orthoacetate; on addition of ammonium bromide 8-methyl-2 : 2<1>-diethyl-3 : 4 : 3<1> : 4<1>-dibenzothiocarbocyanine bromide is obtained: (4) trimethyl orthopropionate is employed in (3) instead of triethyl orthoacetate, and potassium iodide then added to give 2 : 2<1> : 8-triethyl-3 : 4 : 3<1> : 4<1>-dibenzothiocarbocyanine iodide: (5) 2-methyl-b -naphthothiazole is condensed with methyl-p-toluenesulphonate and the product condensed with 2 mols. of methyldiethyl-orthoisocaproate to give 2 : 2<1>-dimethyl-8-isoamyl-3 : 4 : 3<1> : 4<1>-dibenzothiocarbocyanine on precipitation with potassium iodide: (6) 1-methyl-a -naphthothiazole ethyl-p-toluenesulphonate is condensed with one molecular proportion of quinoline ethiodide in presence of caustic potash to give 1<1> : 2-diethyl-5 : 6-benzthioisocyanine iodide; by starting with 2-methyl-b -naphthothiazole 1<1> : 2-diethyl-3 : 4-benzthioisocyanine iodide is obtained: (7) 2-methyl-b -naphthothiazole ethyl-p-toluenesulphonate is treated with potassium iodide and the product condensed with 2-iodoquinoline ethiodide in presence of caustic potash to give 1<1> : 2-diethyl-3 : 4-benzthio-pseudocyanine iodide; by starting with 1-methyl-a -naphthothiazole ethiodide 1<1> : 2-diethyl-5 : 6-benzthio-pseudocyanine iodide is obtained. Substituted quinolines and substituted m -methylnaphthothiazoles may be employed in the above processes and other alkyl orthoacid esters for preparing 8-substituted dibenzthiocarbocyanines.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1492941-A (GB)
Title: Alarm actuators
IPC: G08B17/02
Filed: 1975-02-19
Abstract: 1492941 Switch cases THOMAS ASHWORTH & CO Ltd 19 Feb 1975 [20 Feb 1974] 7703/74 Heading H1N An alarm actuator comprises a sheet 11 of glass or other frangible material held in position behind a fixed lip 12 on a support 10 by a movable catch member 13. A plastics or metal support 10 includes an upstanding ring 15 of channel section defining a recess to receive the rectangular sheet 11 which is positioned in the recess under two retaining lips 12 integral with the support 10. The sheet 11 is held in position by a catch 13 tightened by a screw 22 and presses against an electric switch of a fire alarm circuit, the switch protruding through a circular hole 17 in the support 10 and being secured thereto by fixing means extending into blind holes 16a. The sheet 11 may alternatively be secured to an electrical conductor which breaks when the sheet 11 is broken. The catch 13 may be easily loosened by the screw 22 to enable the actuator to be frequently tested.
Patent GB-526205-A (GB)
Title: Improvements in or relating to an arrangement of cooling-air blowers for air-cooled engines with cylinders in v-arrangement, for vehicles with rear engines
IPC: F01P5/02
Filed: 1939-03-10
Abstract: 526,205. Cooling cylinders. RINGHOFFERTATRA-WERKE AKT.-GES. March 10, 1939, No. 7803. Convention date, April 9, 1938. [Class 7 (ii)] [Also in Group XXXI] In a V engine, cooling-air blowers 3, mounted on either side of the gear box 2, are driven from a countershaft or other continuously rotated shaft of the gear-box. The engine is mounted at the rear of a vehicle.
Patent GB-168010-A (GB)
Title: Improvements in wet mixers
IPC: B01F7/16
Filed: 1920-06-18
Abstract: 168,010. Mattison, R. V. June 18, 1920. Batch-mixers with circulating devices. - Relates to the mixing-machine described in Specification 167,925, which is particularly intended for producing a wet mixture of asbestos and cement, and consists in providing a mixing-tank having means for causing the material to circulate between the centre and the wall of the tank. The machine, as shown in sectional elevation in Fig. 1, consists of an open cylindrical tank 1 placed above a receiving-tank 26 and separated from it by a gate 21, 22, which can be spaced or closed as desired. A vertical shaft 2 passing axially through the tank carries mixing-blades 9, Fig. 5, which have one-half of their length turned at right-angles to the other half. Scrapers 15, Fig. 1, are also carried by the parallel arms 13, 14 in which the blades 9 are mounted. The blades are pivoted in the arms and may be turned to any inclination by crank arms 12, which are connected by a link 16 and controlled by a handle 17. A large screw 8 is secured to the shaft in the space between the blades. In use, the screw 8 forces the material towards the gate 21, 22, but as this is normally closed, the material moves outwards and is assisted by the inclination of the lower halves of the blades 9. The scrapers 15 and the upper halves of the blades 9 cause the material to flow inwards in the upper part of the tank so that there is a circulation of the material. When the gate 21, 22 is opened, the material is fed downwards into the tank 26. Specification 138,921 is referred to.
Patent GB-717498-A (GB)
Title: Improvements in or relating to adjustable electric shell type inductive apparatus
IPC: H01F29/12
Filed: 1951-06-05
Abstract: 717,498. Transformers. MULLER, H. Sept. 1, 1952 [June 5, 1951], No. 7886/51. Class 38(2) An adjustable electric inductive apparatus such as a transformer or choke comprising a shell type core having side limbs a, a1 joined by yokes b, b1 and a centre limb c forming a magnetic bridge between the yokes such that there is an air gap at least at one end of the centre limb between it and an adjacent yoke, no core part being movable relative to another, is characterized in that a winding g is slidably mounted on the adjacent yoke b so as to pass from end to end of the yoke b through the air gap thereby altering the coupling between the winding g and the windings d1, d2. In the embodiment shown there is illustrated a transformer the voltage applied to the primary windings d, d1, d2 being 230, the output from the secondary windings e, g being 12 volts plus or minus 4 volts. In other embodiments the disposition of the windings is varied, the centre limb c may have no winding thereon and there may be an air gap at each end of this limb and a slidable winding on each of the limbs b, b1. The primary windings may be arranged either in series or parallel, in aiding or opposition senses.
Patent GB-714160-A (GB)
Title: A method for the continuous refining of fatty oils with an inorganic acid
IPC: C11B3/04
Filed: 1951-04-05
Abstract: In a process for decolourizing fatty oils, the oil is continuously mixed with an inorganic acid such as sulphuric acid, the acid sludge is separated by centrifuging and the inorganic acid remaining in the oil is then neutralized by adding a salt of a weak acid.  The oil may be finally centrifuged to remove the products of neutralization.  The salt of a weak acid is preferably an alkali metal or ammonium salt, such as the carbonate or bicarbonate.  It is preferred to use concentrated acid unless the oil contains a high percentage of free fatty acids, in which case dilute acid of not less than 60 per cent. concentration may be used.  Instead of using dilute acid the oil may be contacted first with concentrated acid and then with water, for instance by adding water dispersed in decolourized oil to the mixture of oil and concentrated acid, or the concentrated acid may be added to the oil which has the required amount of water dispersed therein. If the free fatty acid content of the oil is high, the acids are preferably neutralized with alkali and the soap separated before the oil is decolourized as described above. Any acid sludge remaining in the oil after the decolourizing treatment may be eliminated by adsorption on a bleaching earth, and any remaining fatty acids may be neutralized with alkali. When oils containing mucilaginous substances such as lecithin are to be treated, these substances may be first removed, and soya oil may be de-slimed before decolourization.  Oils specified for treatment include rape seed oil and oils obtained by extraction with volatile hydrocarbons, the latter being refined, if desired, as a solution of oil in light hydrocarbons.  Specification 481,580 is referred to.
Patent GB-254007-A (GB)
Title: Improvements in or relating to methods of and means for making hollow tiles
IPC: B28B7/18
Filed: 1925-03-25
Abstract: 254,007. Burditt, T. H. F. March 25, 1925. Casting-apparatus; endless-chain machines; moulds; cleaning-apparatus.-In an endless-chain machine for making hollow tiles, quick-setting cement or concrete is delivered by the pipe 32 between two endless chains. the lower one of which carries moulds and parts of cores, while the upper one carries co-operating core parts which register with the lower parts to build up a complete core. The separation of the walls 11, Fig. 3, of successive moulds. as the chains pass round the supporting pulleys, allows the moulded products to be withdrawn by hand. On the return journey both chains are washed by sprays from pipes 33, 34 supplied with filtered liquid drawn from the tank 38 by a pump. The cores comprise four irregular pyramidal members 15, Figs. 2 and 3, each having two vertical outer sides, two sloping sides forming inner walls and a fifth triangular side. Two of these members are mounted on the upper chain to tilt about the upper pivot 17, and two on the lower chain to tilt about the lower pivot 17. Each pair of core members tilt inwards towards each other when released, and the act of engagement forces each pair outwards so that the eight vertical edges build up a complete rectangle between them. In a modified construction of core, four pivoted wedge-shaped members 24, Fig. 6 are mounted on the upper chain to co-operate with the core 21. Fig. 5, by entering and filling the spaces between the wings. 21<2>.
Patent GB-411626-A (GB)
Title: Improvements in or relating to vaporised fuel burners
IPC: F23D99/00
Filed: 1933-03-17
Abstract: 411,626. Subaqueous burners. WINCKLER, G., 18, Humboldtstrasse, Dortmund, Germany. March 17, 1933, No. 8108. Convention date, March 18, 1932. [Class 75 (i).] In a subaqueous cutting or welding burner, liquid fuel is vaporized by heat from the flame of the burner transmitted to the fuel by means of a heat return member. The flame is emitted through an opening in the nozzle l, which acts as a baffle so that the copper member o becomes heated and transmits heat to the body a. The fuel enters the burner through a pipe g, and passes through a passage b in the body a, in which vaporization takes place, and through ducts p into the space between the nozzles d, f, where it mixes with heating oxygen admitted through a pipe h and bore h<1>. The passage b is formed by grooves on the body a and closed on the outside by the sleeve c, and may comprise narrow longitudinal slots connected so as to form a zig-zag passage. Alternatively, a number of passages b and bores h<1> may be provided. The mixing chamber may be provided with baffles, e.g. by providing on the nozzle d spirally arranged annular projections or a number of rings with flattened parts. The cutting oxygen, which is supplied through the pipe h and nozzle d, is heated-insulated from the outer wall of the latter by a member e of porcelain, or like material, constructed so as to form a space r between it and the outer wall of the nozzle r. The heating effect of the member o is regulable by altering the internal shape of the nozzle l or adjusting the nozzle l axially. The cover m may carry valves for the supply pipes. Preheated oxygen may be used. In starting the burner, the valves for fuel and heating oxygen only are opened.
Patent GB-1035177-A (GB)
Title: Compositions for destroying or preventing the growth of water plants
IPC: C07D213/75
Filed: 1965-02-25
Abstract: Carbamic acid thioesters of the general formula:  <FORM:1035177/C2/1> wherein R1 and R2, which may be the same or different, are each an alkyl, cycloalkyl, pyridyl or phenyl radical, which may be substituted by halogen atoms, C1-C4 alkyl radicals and/or C1-C4 alkoxy radicals, A is an alkylene radical and B is an amino group substituted by alkyl and/or cycloalkyl radicals, or a 5- or 6-membered heterocyclic radical containing nitrogen, which is linked to the radical A by a carbon-carbon bond or a carbon-nitrogen bond, may be prepared by reacting an appropriate amine with phosgene during a first stage at 30 DEG  to 150 DEG  C. in the presence of an inert solvent so as to form the corresponding carbamic acid chloride, and by reacting the latter with an appropriate alkyl-mercaptan during a second stage at 30 DEG  to 150 DEG  C. in the presence of an inert solvent.ALSO:Herbicidal compositions, suitable for killing or inhibiting the growth of water plants, comprise a carbamic acid thioester of the general formula:  <FORM:1035177/A5-A6/1> wherein R1 and R2, which may be the same or different, are each an alkyl, cycloalkyl, pyridyl or a phenyl radical, which may be substituted by halogen atoms, C1-C4 alkyl radicals and/or C1-C4 alkoxy radicals, A is an alkylene radical and B is an amino group substituted by alkyl and/or cycloalkyl radicals or a saturated 5- or 6-membered heterocyclic radical containing nitrogen, which is linked to radical A by a carbon-carbon bond or a carbon-nitrogen bond, or an acid-addition salt thereof, in admixture with a solid diluent or carrier, or in admixture with an organic solvent and an emulsifying agent capable of producing a stable emulsion when diluted with water, or in admixture with water containing an auxiliary solvent and/or emulsifying agent. The compositions may be in the form of emulsifiable concentrates, spray powders, pastes, soluble powders, dusting agents and granulates.  Non-ionic and anionic emulsifying agents are specified.
Patent GB-367594-A (GB)
Title: Improvements in or relating to apparatus for giving warning of the approach of trains
IPC: B61L1/18
Filed: 1931-03-17
Abstract: 367,594. Track apparatus for signalling the approach of trains. GUIRAUD, E., 7, Rue du Transvaal, La Garenne, Colombes, Seine, France. March 17, 1931, No. 8208. Convention date, March 18, 1930. Addition to 367,560. [Class 105.] In the track apparatus for signalling the approach of trains described in the parent Specification a device is provided, in advance of the receiving apparatus, which produces periodic variations in the track current so that a continuous indication that the apparatus is in order is given until an approaching train shunts the device, whereupon a different signal, produced as in the prior construction, is given. As shown, a buzzer H with its own battery P<1> is adapted to connect the two rails at a certain frequency and thereby produces current variations in a telephone transformer T, the signal being amplified if necessary. When the buzzer H is shunted by a train axle A, B, the signal denoting the approach of a train is of a different character and is produced by the electric resistance changes at the passage of the axle A, B over the rail joints.
Patent GB-1183341-A (GB)
Title: Improvements in or relating to Devices for Applying Liquid or Paste to Webs
IPC: B44C7/02
Filed: 1966-02-24
Abstract: 1,183,341. Coating webs. SKARSTEN MFG. CO. Ltd., A. R. SKARSTEN and D. McMILLAN. 23 Feb., 1967 [24 Feb., 1966], No. 8256/66. Heading D1L. Guide rollers 37 and 38 are movable as a unit away from their normal working position, in which roller 38 is located between a roll of material 24 and an applicator roller 19 dipping in a trough 12-18 containing liquid and roller 37 is spaced above the roller 19, to a position in which roller 38 occupies the position normally occupied by roller 37. The roll and rollers extend between opposed side plate 14 and 15 and axes at both ends of the guide rollers 37 and 38 enter into guide slots 34 in the plates to guide the unit for sliding movement between the two positions. Yokes 39 maintain the distance between rollers 37 and 38.