baber/WOPTO huggingface dataset:
Patent GB-263912-A (GB)
Title: Improvements in and relating to differential pressure gauges used in the measurementof flow of fluids
IPC: G01F1/37
Filed: 1925-09-26
Abstract: 263,912. Zelenka, O., and Klinkhoff, H. Sept. 26, 1925. Liquid-level prcssure gauges.-In a U-tube pressure gauge used for measuring the flow of fluid in Venturi apparatus &c., the cross-section of one of the limbs of the U-tube can be altered automatically to correct the gauge for variation in specific gravity of the fluid under measurement. The indicating leg in which is a float connected to indicating means has attached to it at right-angles a hollow body Z of rectangular crosssection, in which moves a rectangular piston K. The medium to be measured acts on a spring piston in a little cylinder F, the movement of the piston being transferred by a linkage X to the piston K to vary the cross-section of the indicating leg of the gauge in accordance with the pressure, and therefore the density of the fluid. As an alternative to the linkage X, toothed segments as shown in Fig. 2 may be used. As the movement of the mercury in the gauge is proportional to the square of the velocity of the fluid, it is necessary to extract the square root of this movement. To do this the mechanism shown in Fig. 3 is provided.. The movement of the float is converted into an angular movement of a shaft A' and movement of this shaft is transferred to a second shaft A<2> by means of a pair of rack levers a, b, the curves of which are constructed according to the relationship #=K#a where a and # are the angles made by the vectors with the line A<1> A<2>. The lever b carries the registering pointer.
Patent GB-205637-A (GB)
Title: Improved handle or pull of the kind used on drawers, cupboards and the like
IPC: A47B95/02
Filed: 1922-09-06
Abstract: 205,637. Weaver, S. J. Sept. 6, 1922. Handles.-A drop handle for furniture comprises two parts, one part a being an attachment plate and formed with a kevhole or open slot c and a rigid socket d, and the other part e being a hand member formed with an enlargement e<4> at one side of one end to engage the socket and with a flat-neck e<3>. The hand member e is introduced from the front into the slot c and maintained with the flat neck in the slot by fixing the plate a to a surface. The keyhole slot is arranged with the circular part upwards.
Patent GB-1024343-A (GB)
Title: Combustion apparatus for burning the exhaust gases from an internal combustion engine
Inventor: SOLTAU JOHN PETER
IPC: F01N3/38
Filed: 1963-06-18
Abstract: 1,024,343. Purifying exhaust gases. JOSEPH LUCAS (INDUSTRIES) Ltd. May 12, 1964 [June 18, 1963], No. 24175/63. Heading FIB. Unburned products in the exhaust gases of an internal combustion engine are burnt in combustion apparatus which includes two longitudinally corrugated cylinders 20, each of which divides one of two annular gaps between tubes 16 and 22 into first and second series of longitudinally extending passages, the exhaust gases being introduced through inlets 26, Fig. 1, and passing through the first series of passages to a perforated cylinder 30 where they are mixed with air supplied through the tubes 22, the resultant mixture being burned in a combustion chamber 17 to form purified gases which are passed through the second series of passages to outlets 27. Each corrugated cylinder 20 extends beyond the outermost end of its associated tube 16 so that the second series of passages communicates with the interior of a cylinder 28 which in turn communicates with one of the purified gas outlets 27. The cylinders 28 and the combustion chamber 17 are located within and spaced from an outer metallic casing 10 by corrugated rings 21. The air supply to the tubes 22 is via an inlet 29 and the annular space enclosed by the outer casing 10.
Patent GB-259024-A (GB)
Title: Improvements in shuttle box mechanism for looms for weaving
IPC: D03D43/00
Filed: 1925-09-29
Abstract: 259,024. Foulds & Son, Ltd., T., and Riley, W. Sept. 29, 1925. Addition to 210,619. Change-box motions.-A twocompartment shuttle box C is provided with a partition c<2> and outside adjustable brackets C<1> C<2> fixed to slide rods C<3>. Rods n<2> connect crank pins n<1> on a bracket N on a wheel m<1> with crank pins n<3> on a bracket on the shuttle box back, and the wheel m<1> is connected by a train of gearing to a wheel M on a spindle b. Hooked rods D, D<1> pivoted to a lever A, which is connected to the wheel M and is pivoted to the lay brackets B, are moved into or out of position to engage cross bars h, h<1> on a spring-controlled bracket H by connections E, E<1>, F, f, f<1> to the dobby or pattern chain, so that the lever A and wheel M may be turned, whereby the wheel m<1> is turned to move the shuttle boxes from one position to the other. These are retained in position by the engagement of a spring-controlled check plate B' against flats m<4> on the wheel M, or the lever A may be extended to engage a notched bar as in the parent Specification.
Patent GB-271313-A (GB)
Title: Improvements in and relating to electric motor control systems
IPC: B60L15/34
Filed: 1926-10-01
Abstract: 271,313. British Thomson-Houston Co., Ltd., and Tuppen. E. B. Oct. 1, 1926. Controllers, actuating; master-control systems, pneumatic.-Relates to pneumatically-operated motor controllers of the type in which two pistons 22, 23 act oppositely upon a rack 21 gearing with a pinion on a shaft 19 which is fitted with cams actuating separate contactors, successive steps being obtained by energizing and de-energizing valve-magnets 28, 29 from a master-controller, for example in the manner described in Specification 11658/15. According to the invention, a pivoted pawl 56 presses on a star-wheel 60 mounted on the controller shaft. 19 so as to apply retarding force to the shaft at the positions corresponding to the desired stops. For this purpose the pawl may be joined by links 68, 66, 67 to two fluid-pressure pistons 61. 63 arranged to be under pressure concurrently with the pistons 21, 23, the conjoint effect of both causing force to be applied to the pawl under the required conditions.
Patent GB-1016511-A (GB)
Title: Process for preparing phosphorus-containing polyesters which are capable of forming films and fibres
IPC: C08G63/692
Filed: 1962-06-25
Abstract: Thermostable, film-forming, readily dyeable polyesters are prepared by the polycondensation of mixtures of glycols with dicarboxylic and/or hydroxycarboxylic acids or esters thereof with volatile mono- or dihydric alcohols, containing sufficient phosphonic acid ester and/or polyalkylene phosphonate to produce a polyester containing 0.1-0.5% by weight of phosphorus.  The phosphorus-containing modifier may be added to a precondensate of the other ingredients.  The usual trans-esterification and polycondensation catalysts are used. Pigments or dulling agents, e.g. BaCO3 or TiO2, and antioxidants, e.g. phosphorous acid or an alkyl or aryl ester thereof may be added. In examples, polyethylene glycol terephthalate is prepared which has been modified with (1). (2) and (10) b -chlorethylphosphonic acid-di-b -chlorethyl ester; (3) 4-chloromethyl-benzyl-phosphonic diethyl ester; (4) vinyl phosphonic acid - di - b  - chlorethyl ester; (5) a  - naphthyl methyl phosphonic acid diethyl ester; (6) polyethylene phenyl phosphonate, which was prepared by heating phenyl phosphonic acid di-b -chlorethyl ester with elimination of 1,2-dichloroethane; (7) a phosphonic ester prepared by reacting 3 mols of epichlorhydrin with 1 mol PCl3 with subsequent rearrangement of the tert. phosphite formed.  It is also stated that the ester of this example may be treated, before use, with methanolic caustic potash to remove HCl from its alkyl group.  (8) b -chloroethane phosphonic acid di-isopropyl ester, or the corresponding di-benzyl ester; (9) b -chlorethane phosphonic acid diphenyl ester.  In Example (11) b -chlorethyl-phosphonic acid-di-b -chloroethyl ester was used to modify a polyester from ethylene glycol and a mixture of terephthalic and isophthalic acids.ALSO:In Example 3 4-chloromethyl-benzyl-phosphonic acid diethyl ester is prepared from equimolar proportions of p-chloromethyl-benzyl chloride and triethyl phosphite at 150-160 DEG  C. with elimination of ethyl chloride.  In Example 7, 3 mols. of epichlorhydrin are introduced drop by drop below 30 DEG  C. into 1 mol. of PCL3 and the resulting tert.-phosphite rearranged by heating at 155 DEG  C. into the corresponding phosphonic acid ester, from the phosphorus-bound alkyl group of which 1 mol. of HCl may be removed by methanolic caustic potash.
Patent GB-1378692-A (GB)
Title: Beer dispensing
IPC: B01J4/00
Filed: 1972-05-24
Abstract: 1378692 Dispensing beverages WHITBREAD & CO 22 May 1973 [24 May 1972] 24481/72 Heading A4T [Also in Division H2] A dispensing system for dispensing a carborated beverage e.g. beer from a bulk container 4a into a drinking vessel, the system comprising a dispensing tap 9a connected by a pipe 11, 17 to the container, and an ultrasonic generator and transducer 8 coupled to the pipe so that, in use, ultrasonic vibrations generated by the transducer pass from the transducer to the beverage as the latter is being dispensed. As shown in Fig.1, four dispensing valves 9a, 9b, 10a, 10b are coupled by pipes to respective containers 4a, 4b, 5a, 5b which are pressurized by means of a single carbon dioxide cylinder 1. Stainless steel pipes 11 are secured e.g. by adhesive, to the resonant horn member 14 of the transducer 8 the pipes being connected by plastics pipes 17 to the container and the dispensing valve; in a modification the stainless steel pipes are dispensed with and the plastic pipes clamped to the horn member by plates (50, 55) Fig.7 (not shown). In use, when a valve is opening a mercury-type switch (20-23) Fig.2 (not shown) is closed thereby energizing both a timer (24) and ultrasonic generator (25), the timer being set so that the transducer applies vibrations to the pipes for a short period, e.g. one second, as compared with the dispensing time e.g. six seconds; the four valves and associated switches may be connected to individual timers which may be set to different times. The current for the electrical devices is taken from a step-down transformer. In a further modification, the beer may be fed through a metering device before dispensed.
Patent GB-484060-A (GB)
Title: Improvements in electromagnetic relays
IPC: H01H50/58
Filed: 1937-09-08
Abstract: 484,060. Electromagnetic relays. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Sept. 8, 1937, No. 24527. Convention date, Sept. 11, 1936. [Class 38 (v)] In a relay comprising stacked resilient tongues 6, 7, separated by insulating material, the device transmitting the movement of the relay armature 2 to the tongues consists of a member 3 extending normally to the longitudinal direction of the tongues, and having re-entrant edges which are arranged step-wise and furnished with flat arms 11 ... 13 extending between the movable tongues 6. The ends of the arms are provided with notches engaging the re-entrant edges of the member 3. The tongues are clamped together and secured by means of a clip 9 to a metal strip 10 carried by the relay.
Patent GB-1179537-A (GB)
Title: Method of and apparatus for the Detoxicating of Exhaust Gases of Internal Combustion Engines
IPC: F01N3/24
Filed: 1968-05-22
Abstract: 1,179,537. Purifying exhaust gases. SANITIZED A.G. May 22, 1968 [May 22, 1967], No.24549/68. Heading F1B. In an exhaust gas purifying apparatus, exhaust gases and air are fed into a reaction chamber 1, 31, in which an ultrasonic vibration is set up by means of a Hartmann gas jet oscillation generator 4 energized at the inlet end of the chamber opposite a nozzle through which the exhaust gases or air is pumped to impinge on the generator which is energized to produce oscillations of a frequency in the range 60 to 120 kc/s. In Fig.2a the exhaust gases enter through a pipe 2 and the air is pumped through a nozzle 3 the velocity of the mixture impinging on the generator being 330- 350 metres/sec. A catalytic device 6 may be energized downstream of the generator. Suitable catalysts are cupric oxide, zanodium penteride or a mixture of 99% manganese oxide with 1% silver oxide; alternatively platinum may be used. In Fig. 3 the exhaust gases are pumped through the central nozzle and the air enters through surrounding openings. The mixture passes through a mesh into a space fitted with baffles or wires which may be caused to oscillate by the ultrasonic field and may be coated with, or consist of, a catalyst.
Patent GB-868147-A (GB)
Title: Improved process for hydrogenation of nitrosamines
IPC: C07D295/22
Filed: 1958-08-01
Abstract: N,N-disubstituted hydrazines are prepared by reacting a dialkyl or substituted dialkyl nitrosamine or a heterocyclic nitrosamine with hydrogen in the presence of a palladium catalyst and an iron salt, particularly a ferrous salt.  The reaction may be carried out in a liquid medium.  The iron salt may be prepared in situ from an insoluble iron compound or metallic iron and a small amount of a strong acid, or may be co-precipitated with the palladium at the time of catalyst preparation.  The palladium catalyst may be deposited on a carrier such as active carbon, alumina, calcium carbonate and barium sulphate.  The optimum iron salt concentration is such as to give about 0,5 millimoles of iron per gram of palladium catalyst. Specified nitrosamines are the dimethyl, diethyl, di-n-propyl, di-n-butyl, di-2-ethylhexyl, n-butyl-b -hydroxyethyl nitrosamines, nitroso-morpholine, -piperidine and -pyrrolidine, and dinitroso-piperazine.  Reference has been directed by the Comptroller to Specification 801,534.
Patent GB-1280821-A (GB)
Title: Improvements in or relating to the rolling of metal strip, sheet or plate
Inventor: DOWSING JOHN
IPC: B21B37/16
Filed: 1968-05-24
Abstract: 1280821 Rolling DAVY & UNITED ENG CO Ltd 21 Aug 1969 [24 May 1968] 24840/68 Heading B3M [Also in Division G3] A multi-stand rolling mill comprises stands F1-F6 each having work-rolls, back-up rolls and means for setting screw-down, stands F1, F3, F6 have screw position control and load sensing equipment SP and L and stands F2, F4, F5 have automatic gauge control equipment AGC, data concerning the dimensions, temperature and material of a workpiece are supplied to a computer and a rolling schedule is calculated to roll the workpiece to a desired final gauge, calculating the rolling load P and torque G of each stand and repeating the calculations iteratively to produce a final schedule within mill constraints and which makes the optimum use of the power available to drive the mill. Formulae are given for calculating P and G. A pyrometer P checks the actual temperature of an incoming workpiece and the final gauge is monitored by means of an X-ray thickness gauge R. If the required final gauge cannot be met without exceeding mill constraints a thicker gauge is selected automatically by the computer and a schedule calculated. Workpieces which arrive at the mill at a higher than specified temperature are held on a delay table D.T. cooler workpieces are run through the mill at higher speeds.
Patent GB-443585-A (GB)
Title: Improvements in and relating to the manufacture of floor coverings and like materials
IPC: D06N1/00
Filed: 1934-08-30
Abstract: Chlorinated rubber of high chlorine content (at least 60 per cent) is incorporated with linoleum cement in the absence of added volatile solvents to produce plastic masses suitable for floor coverings, the proportion of chlorinated rubber to linoleum cement lying between 1 : 2 and 2 : 1 parts by weight.  Plasticizer may be added, in amount not exceeding 55 per cent calculated on the weight of the chlorinated rubber.  Fillers, e.g. fibres, may also be incorporated.  The incorporation is carried out at a raised temperature, e.g. on hot rolls or in a Banbury mixer.  In an example the following mix is used: 8 parts of ground chlorinated rubber (63 per cent chlorine), 14 parts of linoleum cement (80 per cent linoxyn), 10 parts of cork dust and 6 parts of yellow ochre. Specification 424,335 is referred to.
Patent GB-1150426-A (GB)
Title: Alkene Oxide Polymerization and Catalyst therefor
IPC: C08G65/24
Filed: 1966-06-06
Abstract: 1,150,426. Polymerisation catalyst. PHILLIPS PETROLEUM CO. 6 June, 1966 [7 June, 1965], No. 25040/66.' Heading B1E [Also in Division C3] A catalyst composition comprising the product which forms on mixing (a) an organoaluminium compound of the formula R" n  AlX m  where R" represents a saturated aliphatic, saturated cycloaliphatic or aromatic hydrocarbon radical, each containing up to 20 carbon atoms, or a combination of such radicals, X is hydrogen, fluorine, chlorine, bromine or iodine, n is an integer or 1-3 inclusive, m is 0 or 1 or 2, and n + m equals 3, (b) a salt of a betadiketone being a salt of the formula Me (- O - C (R"') = CH - CO - R'") y  where Me is a metal from Group IIA, IIIA, IVA, IB, IIB, IVB, VB, VIB, VIIB, or VIII of the Periodic Table, each R" represents a saturated aliphatic, saturated cycloaliphatic or aromatic radical containing up to 10 carbon atoms, and y equals the valence of the metal Me, and (c) water, the mole ratio of component (c) to component (a) being in the range 0.02:1 to 1.6:1. The metal Me may be Ca, Sr, Ba, Cu, Be, Mg, Zn, Cd, Hg, B, Al, Ga, In, Tl, Ge, Sn, Pb, Ag, V, Or, Mo, W, Mn, Fe, Co, Ni, Zr and Ti. Specific examples of component (a) is tri isobutylaluminium and of component (b) is the acetylacetonate salt of Zn, Cu, Zr, V, Mn, Fe or Co. Other examples are given.
Patent GB-1508913-A (GB)
Title: Method for regenerating spent activated carbon
IPC: C01B31/08
Filed: 1975-06-11
Abstract: 1508913 Regenerating spent activated carbon UNITIKA Ltd 11 June 1975 [12 June 1974 23 Jan 1975] 25066/75 Heading C 1A [Also in Division F4] Spent carbon is reactivated in a shaft furnace of the kind described in Specification 1508914. The carbon fed into the furnace has a bulk density of 0À35 Kg/litre, a particle size of 5-40 mesh, and a water content of 50%-120% by weight of dry carbon. Hot gas is fed upwardly at a rate not exceeding the minimum fluidizing velocity so that drying, baking and reviving treatment zones are formed in which the temperature ranges are 0‹-100‹C, 100‹-750‹C and 750-900‹C respectively.
Patent GB-749586-A (GB)
Title: Improvements in or relating to the production of magnesium base alloys
Inventor: EMLEY EDWARD FREDERICK
IPC: C22C1/02
Filed: 1952-10-07
Abstract: The rare earth metal content in magnesium base alloys containing both thorium and rare earth metals is reduced by intimately mixing magnesium chloride throughout the body of the molten alloy while maintaining over the alloy a substance which is capable of minimising the tendency of the alloy to oxidation. This substance may be an inert atmosphere or a flux such as that described in Specification 733,227.  The magnesium chloride may be mixed with at least two other chlorides of the alkali and alkaline earth metals including, for example, at least 15 per cent of barium chloride.  Magnesium fluoride may also be present.  The molten alloy is preferably poured into a crucible containing molten magnesium chloride or the above mixture of salts, stirred therewith, separated and poured into a further quantity of the salt or salt mixture.
Patent GB-627957-A (GB)
Title: Improvements in can openers
IPC: B67B7/46
Filed: 1947-09-13
Abstract: 627,957. Tin-openers. RUDMAN, DARLINGTON & CO., Ltd., RUDMAN, J., and SULLEY, G. A. Sept. 13, 1947, No. 25127. [Class 66] In a traction-wheel can - opener wherein the can K has its rim held against a spring pressure plate b2, B and is forced upwardly by the traction-wheel F so that rim of the cutterwheel J enters the can, the spindle e of the traction-wheel is in an eccentric boss g moved by turning a lever (not shown), and the cutter-wheel J is adjusted to have the correct clearance between its back surface and the face of the traction-wheel F. As shown, the arbor H of the wheel J is screwed into a boss a<SP>3</SP> and its end is slotted for screw-driver adjustment, a lock-nut h being fitted. Alternatively, the upper end of the arbor H may be reduced and pinned into a screwthreaded sleeve similarly adjusted.
Patent GB-600129-A (GB)
Title: Improvements in or relating to the construction of bridges, piers and other structures over water
IPC: E02B3/06
Filed: 1945-09-27
Abstract: 600,129. Piers and landing stages. PAVRY, R., HOULDER, J. M., HASWELL, J. H. R., and WAKEFIELD, W. A. Sept. 27,1945, No. 25156. [Class 68 (ii)] [Also in Groups X and XXXIII] Piers and landing stages are constructed by pre-assembling a composite structure comprising pontoons 1, 1A, equipped with retractable spuds 5 working in guides 12 and interconnected by bridge spans 2, floating this structure into position, lowering the spuds to the bottom and then raising the structure on the spuds to the required height by means of winches 10. After erection the winches may be relieved of the load by screw-operated wedge devices 13 which can be adjusted to grip the sides of the spuds. Additional piles 38 may be driven through guides 37 or pressed into the bottom by trans-  ferring the weight of the structure from the spuds to the piles by means of winches, the piles finally being cut and capped with caps bolted to the guides 37 and further secured by spikes. The structure may then be wholly supported on the piles if desired. The pontoons consist of box-like watertight units 4 bolted together and provided with halves of Bailey bridge pin joints by which they are connected to the bridge span which consists of four Bailey bridge girders 2 each comprising five Bailey panel units 3. The four girders are interconnected by transverse bracing panels 14 and support a roadway comprising transomes 15, stringers 18 and decking 20, foot walks 22 and kerbs 21, the transomes and stringers being secured by clips 16 and 19 respectively (Fig. 4). Adjacent structures in a long pier &c. are not rigidly connected, the gaps between them being bridged by sliding deck panels allowing relative movement. The pontoons may not form part of the finished structure in which case they are initially secured to the sides of the bridge spans the latter then carrying guides for the piles by which they are ultimately supported. A modified arrangement of bridge girders and pontoons is described for a pier-head, and a dolphin comprising two interconnected pontoons only with spuds &c. also described. Suitable dimensions are given. Specification 553,374, [Group X], is referred to. The construction of bridges by similar means (see Group X) is also described.
Patent GB-1461797-A (GB)
Title: Berbicide
IPC: A01P13/00
Filed: 1974-06-06
Abstract: 1461797 Mixed herbicides BASF AG 6 June 1974 [7 June 1973] 25174/74 Heading A5E A herbicide comprises a composition of a) a compound of the formula where R denotes lower alkyl of a maximum of 4 carbon atoms and R<1> denotes hydrogen, or a salt thereof, and (b) a compound of the formula where R and R<1> each denote lower alkyl, alkenyl, or alkynyl, Z denotes methyl, n denotes one of the integers 0, 1, 2 and 3, Y denotes oxygen or sulfur, and X denotes -CH2, 0 or N. Typical compounds used are 3-isopropyl-2, 1, 3-benzothiadiazinone-(4)-2, 2- dioxide and S-(2-methyl-1-piperidylcarbonylmethyl)-0, 0-di-n-propyldithiophosphate. Other listed herbicides may be included. The compositions may be used as total herbicides or as selective weed-killers in crops.