baber/WOPTO huggingface dataset:
Patent GB-451268-A (GB)
Title: Manufacture of hydantoins
IPC: C07D405/04
Filed: 1934-10-30
Abstract: Therapeutically-active hydantoin derivatives which contain a furan ring are prepared by subjecting a ketone containing a furan ring to the simultaneous action of a cyanide and either ammonium carbonate or ammonia and carbon dioxide at a raised temperature, under pressure and in the presence of water with or without the addition of an organic solvent such as pyridine or alcohol.  When carbon dioxide under pressure is used, it is preferred to keep the temperature below 60 DEG  C.  In examples: (1) 5 : 5-ethyl-furyl-hydantoin is made from ethyl furyl ketone, potassium cyanide and ammonium carbonate in presence of ethanol; (2) 5 : 5-n-propyl-furyl-hydantoin is made from n-propyl furyl ketone, sodium cyanide and ammonium carbonate in presence of aqueous methanol; (3) 5 : 5 ethyl-furyl hydantoin is made from ethyl furyl ketone, potassium cyanide and ammonium carbonate in presence of aqueous ethanol and under pressure of 10--15 atmospheres of carbon dioxide; (4) 5 : 5-methyl b -furethyl-hydantoin is made from methyl-b -furethyl ketone, potassium cyanide and ammonium carbonate.  Other compounds mentioned are 5 : 5-isopropyl-furyl-hydantoin from isopropyl-furyl ketone (made from pyromucic acid nitrile and isopropyl-magnesium bromide); 5-5-n-butyl-hydantoin from n-butyl-furyl ketone (made from pyromucic acid nitrile and n-butyl magnesium bromide; and 5 : 5-methyl furyl ketone.
Patent GB-1525220-A (GB)
Title: Printing ink binders which can be diluted with water
IPC: C09D11/104
Filed: 1977-07-25
Abstract: 1525220 Printing compositions containing neutralized polyesters BAYER AG 25 July 1977 [28 July 1976] 31118/77 Heading C3R A printing paste or aq. printing ink is made by (1) reacting an oil-free polyester containing OH groups with tetrahydrophthalic anhydride or homologue, or with endomethylenetetrahydrophthalic anhydride, and (2) neutralizing the reultant polyester-polyhalfester to form an alkali metal or (substituted) ammonium salt thereof.
Patent GB-262789-A (GB)
Title: Improvements in or relating to methods of manufacture of magnetic bodies from powdered material
IPC: H01F1/20
Filed: 1926-12-08
Abstract: 262,789. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). Dec. 8, 1925, [Convention date]. Electromagnets.-Cores for electromagnets &c. are moulded from a magnetic powder and a binding-agent under the influence of a force, such as a magnetic field or centrifugal force, which is considerably stronger than the gravitational field. In the arrangement shown a mould a which can be taken to pieces, is mounted on a rotary plate b and the materials are introduced through a funnel d. The mould may be heated by a flame while rotating to dry the binding medium.
Patent GB-341513-A (GB)
Title: Improvements relating to automatic electric circuit-breakers
IPC: H01H71/12
Filed: 1929-10-14
Abstract: 341,513. Automatic circuit-breakers. BRITISH ELECTRICAL & ALLIED INDUSTRIES RESEARCH ASSOCIATION, WEDMORE, E. B., and WHITNEY, W. B., 36, Kingsway, London. Oct. 14, 1929, Nos. 31148/29, 33001/29, and 8538/30. [Class 38 (v).] Circuit-breakers which are tripped on operation of a series-connected fusible or thermal release mechanism are provided with arrangements for short-circuiting the terminals of the fusible or thermal member immediately it has performed its tripping function and before the circuit has been interrupted in order that the release of energy consumption in between these terminals may be realized. As shown in Fig. 1, the fusible member 1 is secured between cup-shaped terminals 2, 3 the upper of which is clamped by a screw 5 in a lateral projection of the incoming circuit-breaker terminal 4 and the lower clamped by a screw 12 in a projection of a lever 10 pivoted at 11. The lever 10 is connected by a flexible connector 13 to the circuit-breaker terminal 7 and has an arm 17 connected to the circuit-breaker tripping mechanism. The lever 10 is under the influence of the spring 15 which, when the fuse 1 is ruptured on overload rotates the arm 10 to cause tripping of the circuit-breaker through the arm 17. During this rotation of the lever 10, however, a contact 19 on its upper end is brought into engagement with a corresponding contacting-surface 19 on the incoming terminal 4 so that the fuse terminals 20 are short-circuited. Thus any arcing at these contacts is immediately suppressed and excessive energy consumption during the current interruption is prevented. The fuse may be substituted as shown in Fig. 2 by a wire 1 which softens with excessive current so that it can be extended by the spring 15 to produce the circuit-breaker tripping without actually rupturing. This element is also short-circuited in the manner previously described during the tripping. In a further modification (Figs. 4 and 5, not shown) a bimetallic strip is employed for producing the tripping, the movement of the strip for tripping being arranged to close shortcircuiting contacts in the manner described. In order to minimize the mechanical force acting on or produced by the thermal or fusible tripping element, instead of acting directly on the circuitbreaker tripping mechanism it may be arranged to produce merely the breaking of a toggle holding up the operation of the spring-controlled trip (Figs. 3 and 6, not shown). The fusible or extensible members 1 may be protected by a fireproof tube 21 with end washers 22 and as an additional precaution against excessive arcing between the terminals of the fusible member the gap between these terminals is made as small as possible.
Patent GB-1142714-A (GB)
Title: Improvements in or relating to tools for wood wool producing apparatus
IPC: B27L11/04
Filed: 1967-07-06
Abstract: 1,142,714. Woodworking. G. BARKE. 6 July, 1967 [3 April, 1967], No. 31217/67. Heading B5L. A cutting tool assembly for use in a woodwool forming apparatus comprises a plurality of shredding cutter blades 5, Fig. 2, in spaced parallel relationship in a two-part holder 1, 2. The shredding cutters 19, Fig. 14, may be arranged obliquely in relation to a paring cutter 16 and ahead of the latter so that simultaneously with the shredding of a wood film from a piece of wood by the paring cutter, the film is divided into thin strips, the shredding cutters being mounted in the two-part holder at distances which determine the width of the wood wool, and the holder being arranged so that the cutting edges 18, 20, of the paring cutter and shredding cutters lie in one plane. The cutters 5, Fig. 2, with intervening spacers 6 may be mounted on a rod 8 between two bars 1, 2, constituting the holder, the assembly being received in a recess in the cutter holder. The cutters may be rectangular with cutting edges on all four sides or have oblique ends formed with cutting edges at one or both ends whereby when one cutting edge is worn, the cutter can be turned end-for-end so that the other edge is used. In another embodiment, the cutters 5, Fig. 7, are received in recesses in bars 13. In the embodiment shown in Fig. 14, the paring cutter 16 moves in the direction of arrow 14 to cut a wood film 17 from the piece of wood 15 and the cutting edges 20 of the shredding cutters 19 lie along the cutting edge 18 of the paring cutter 16. The shredding cutters 19 are mounted loose in grooves in a receiving bar 21 carried by the cutter holder 21 which is adjustable by screws 25, 26. An elastic insert 24 of rubber, plastics material springs or the like acts on the cutters 19 to press them against the wood.
Patent GB-782153-A (GB)
Title: Process and apparatus for the removal of scale from wire, metal strip or the like elongated metal
IPC: B21C43/04
Filed: 1953-11-11
Abstract: 782,153. Cleaning metal. CHEMISCHE FABRIK BUDENHEIM AKT.-GES. Nov. 11, 1953 [Nov. 12, 1952], No. 31236/53. Class 82(2). Scale or rust is removed from elongated metal such as wire or strip by passing it over a system of rollers along a sinuous path in which Á does not exceed 45 per cent, where:- cc = angle of contact of the wire &c. with each roller, expressed in degrees d thickness of the wire &c. expressed in mm. r = radius of curvature of the path in mm. The rollers may be disposed in groups in a housing divided longitudinally of the wire travel into two parts a, b hinged at c so that it may be opened for insertion or removal of the wire. Rollers e and f are mounted in pairs with the axes of each pair in the same transverse planes, and rollers g and h set at right-angles to these are staggered along the housing and form the sinuous path for the wire. The rollers f, g and h are mounted in bearings at one end only, to allow separation of parts a and b of the housing; weights m may be added to the top of the housing if desired. Fig. 4 shows rollers o, p mounted in a frame n on a movable platform v, these rollers being in the form of double cones with a central groove for the wire, the lower rollersp being spring loaded. The wire subsequently passes through a unit t containing sharp-edged clearing material. Reference has been directed by the Comptroller to Specification 748,196.
Patent GB-1357726-A (GB)
Title: Centrifugal pumps
IPC: F04D9/00
Filed: 1970-06-27
Abstract: 1357726 Centrifugal separators JOSEPH LUCAS (INDUSTRIES) Ltd 3 Aug 1971 [27 June 1970] 31283/70 Heading B2P [Also in Division F1] A pump comprises a rotor defining a pair of frusto-conical chambers 13, 14, a centrifugal impeller 15 between the chambers, the larger diameter of each chamber being adjacent the impeller and the smaller diameter of the chamber 13 defining an inlet 16, a hollow frustoconical funnel 18 having a through-passage and mounted coaxially within the chamber 14 so as to define an annular space 19, the funnel 18 having its smaller diameter directed towards the impeller 15 and its larger diameter engaging the smaller diameter of the chamber 14 and having a number of holes 22, and a stator 12 surrounding the rotor and containing a discharge volute 17. A further frusto-conical funnel 23 and a flared conical deflector 31 are connected to the funnel 18 by vanes 24, and 32 respectively. The pump is immersed in a fuel tank. In use of the pump, centrifugal action separates the fuel into an outer liquid zone in which the liquid is urged along the wall of the chamber 13 towards the impeller 15, a central vapour zone in which the vapour is expelled centrifugally by the vanes 32 and deflector 31 to re-enter the tank, and an intermediate zone containing a mixture of liquid and vapour. Liquid in the intermediate zone is urged centrifugally along the wall of the chamber 14 towards the centrifugal impeller 15, while vapour migrates towards the central vapour zone, the holes 22 facilitating the transference of liquid and vapour. The funnel 23 prevents vapour from moving from the central zone to the intermediate zone. In other embodiments the funnel 23 may be omitted and the deflector 31 may be replaced by a frustoconical funnel. The pump may stand on vanes which direct the fuel tangentially towards the inlet 16.
Patent GB-313092-A (GB)
Abstract: 313,092. Raimondi, G. June 6, 1928, [Convention date]. Adding, subtracting, multiplying, and dividing apparatus. - In a multiple-bank machine a cam in each denomination is set differently by the keys (or levers) and determines the number of effective actuating teeth mounted on a body caused to travel across the totalizer pinions. The teeth are in the form of blades 25, 25<1>, pivoted at 26, 26<1> on a body 10 arranged to slide along bars 11 mounted for vertical and horizontal displacement. The keys 29 determine through a differential stop bar 30 and link 32<1> the fore and aft position of a double-bevelled member or cam 28. The rear ends of the blades extend in echelon to be deflected by the cam, and their front ends are thus selectively displaced to engage the totalizer pinion 12<1>, as the body 10 is drawn across the machine by means of a link 22. If it is desired to subtract or divide, the guide-bars 11 are raised to bring the lower set of teeth in place of the upper set, into operative position relative to the pinions. In order that the teeth shall be ineffective when the body 10 is being moved back again to its initial position, the bars 11 are displaced to the rear preparatory to such movement. According to the Specification as open to inspection under Sect. 91 (3) (a), the teeth instead of being pivotally mounted may be in the form of sliding bars as shown in Fig. 6 (Cancelled). This subject-matter does not appear in the Specification as accepted. Transfer mechanism. - A pair of extra teeth 32a, 32a<1>, Fig. 2, are mounted on the body 10 and are connected by a link 33, Fig. 4 ending in a wedge-shaped foot 34. At transfer a rod 36 is thrust into the path of this foot to cause displacement of the extra teeth and therefore actuation of the next totalizer pinion.
Patent GB-851601-A (GB)
Title: Utilization of molasses spent wash
IPC: A23K10/12
Filed: 1956-10-15
Abstract: Molasses spent wash is treated, after sterilisation where appropriate, with schizomycetes, actinomycetes, hyphomycetes or algae, and vitamin B12 and/or antibiotics are recovered from the products so obtained by centrifuging and solvent extraction. As molasses spent wash there may be employed the spent wash from citric acid production, from methane fermentation and from glutamic acid production.  Suitable micro-organisms are S. olivaceous, S. aureofaciens, B. megatherium, S. griseus, Penicillium claviforme, Lactobacillus caseii and Propionibacterium freudenreichii. Specification 541,594 is referred to.ALSO:To form animal feeds, molasses spent wash is treated, after sterilization where appropriate, with schizomycetes, actinomycetes, hyphomycetes or algae.  As molasses spent wash there may be used distiller's spent wash, the spent wash from citric acid production, that from methane fermentation and from glutamic acid production.  Additionally there may be added to the fermentation medium autolyzates, plasmolyzates, thermolyzates, cytolyzates or hydroy zates of micro-organisms propagated or employed in the production of the spent wash, together with nutrient salts and/or trace elements.  Suitable micro-organisms are Streptomyces olivaceous, S aurefaciens, Bacillus megatherium, S. griseus, Penicillium claviforme, Lactobacillus caseii and Propionibacterium freudenreichii.  Specification 541,594 is referred to.
Patent GB-1127666-A (GB)
Title: Improvements in articulated bracelets, watch straps or the like and a method of making same
Inventor: EAST HARVEY JAMES
IPC: A44C5/10
Filed: 1966-07-13
Abstract: 1,127,666. Chains. DAVID SHACKMAN & SONS Ltd. 12 July, 1967 [13 July, 1966], No. 31480/66. Heading F2Q. [Also in Division A3] A bracelet comprises a series of links 1 and connecting pieces 3, the links having a central recess 2 and hollow end portions 1e into which the limbs 4 of the connecting pieces 3 engage. The connecting pieces may comprise H-shaped members or pairs of U-shaped members. The links 1 may have two recesses 2 separated by a central tubular portion twice the number of connecting pieces as before being used.
Patent GB-1462611-A (GB)
Title: Apparatus for feeding blanks and like flat articles
IPC: B65H1/06
Filed: 1972-12-05
Abstract: 1462611 Feeding sheets; forming counted batches HORACE SLADE & CO Ltd 5 March 1974 [5 Dec 1972] 31493/72 Heading B8R The front end of the bottom sheet of a pile in a hopper 2 rests on a separator conveyer comprising a plurality of belts 12, while the rear end rests on an agitator comprising a pair of rotating discs 53 each carrying a plurality of freely mounted rollers 54 projecting upwards between the belts. A front gate 6, adjustable horizontally according to sheet length and vertically according to sheet thickness, is bevelled at its lower end so as to cause sheets separated from the pile to advance in an overlapping stream. The sheets pass between rollers 20, 21 and 29, 24 and are diverted downwards back on to the belts by a roller 56. Each sheet is detected by a photo-electric detector 60, 61 and counted, and after a predetermined number a tab is inserted in the stream by a device 58. Some time before the insertion of a tab, the drive of the belts is, in response to the counter, connected to a slow motor.
Patent GB-765083-A (GB)
Title: Improvements in or relating to electric incandescent lamps provided with planar filaments
IPC: H01K1/18
Filed: 1954-11-01
Abstract: 765,083. Electric incandescent lamps. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Nov. 1, 1954 [Nov. 4, 1953], No. 31511/54. Class 39(2) In an electric lamp of the kind provided with a planar filament 11 supported between upper and lower transverse supports 8, 9 of insulating material carried between longitudinal leading-in supporting wires or rods 2 parallel with the axis of the bulb 1, the filament supporting wires 12, 13 which engage between the segments are so arranged, at least above the filament, that their ends are secured at the side of the insulating support 8 remote from the filament. Fig. 2.shows the supporting wire 12 curved away from the insulating supporting-rod 8 at 12a and secured within the upper surface of the rod at 12b. A V- shaped groove may be provided in the rod 8 to receive the ends of the wires 12. 13. Alternatively the insulating supporting- rods may have a triangular cross-section. Fig. 5 shows an upper transverse support 22 of inverted triangular cross-section with the end portions of filament-supporting wires 23, 24 inserted in the base or upper surface. A wire 25 joining the transverse support 22 to a longitudinal support 26 has its outer end arranged similarly.
Patent GB-989085-A (GB)
Title: Catalytic compositions for the polymerisation of olefines
Inventor: HILL THOMAS
IPC: B01J27/06
Filed: 1962-08-16
Abstract: A process of preparing a polymerization catalyst comprises subjecting a solid carrier with CrO2Cl2 vapour and subsequently heating in the presence of oxygen.  The carrier may be SiO2 or SiO2/Al2O3 having a surface area of 200-700 sq.m./gm.  Examples are given.  Specification 790,195 is referred to.
Patent GB-406813-A (GB)
Title: Improvements in the valve mechanism used in connection with the piston used in internal combustion engine pile drivers, rammers and such like
IPC: F01L11/02
Filed: 1932-11-09
Abstract: 406,813. Valves. JOHNSON & SONS, Ltd., C. H., Smedley Road, Manchester, and HARTLEY, J. A., 2, Glendene Avenue, Bramhall, Cheshire. Nov. 9, 1932, No. 31596. [Class 7 (vi).] Internal-combustion pile-drivers, rammers, and the like, for example as described in Specifications 293,228, 313,516, [both in Class 124], and 347,492, and in which the piston head b is separate from the rod e and carries a plate valve 1 and a central valve 4, both serving as exhaust valves, the peripheries of these valves are rounded at 2 and 5 to prevent striking. Alternatively, or in addition, the sides of the chambers in which the valves work may be rounded. The valve 1 is formed with exhaust ports 3, and is pressed open by springs b<2> when, following the explosion, the piston separates from its rod. The valve 4 is then forced open and the exhaust gases pass through the ports 3 to the underside of the piston and then out to atmosphere.
Patent GB-741034-A (GB)
Title: Bleaching cotton fibres
IPC: D06L3/06
Filed: 1953-11-13
Abstract: Cotton fibres or fabrics are immersed in an inactive solution of a per-compound at a temperature not exceeding 55 DEG C. for a minimum period of (a) one and a half hours at temperatures below 15 DEG C. (b) from one and a half hours at 15 DEG C. diminishing with increase of temperature to one and a quarter hours at 50 DEG C. or (c) from one and a quarter hours at 50 DEG C. increasing with increase of temperature to one and a half hours at 55 DEG C. after which the solution is activated and maintained active until the per-compound is exhausted.  The per-compound may be hydrogen peroxide, sodium peroxide or sodium perborate and the solution may be made inactive with sodium carbonate, sodium silicate or sodium hydroxide.  The solution may be activated by raising the temperature to a critical degree, e.g. 85 DEG  C. or by raising the pH to above 12 or by adding sodium carbonate or sodium hydroxide to an extent above that at which they act as stabilisers.  The cotton may be subjected to a preliminary bleach with hydrogen peroxide, sodium peroxide, sodium perborate, hypochlorous acid, sodium hypochlorite, sodium or potassium chlorite, a mixture of hypochlorous acid and sodium chlorite or a mixture of sodium hypochlorite and sodium chlorite. Prior to bleaching the cotton may be desized and washed or kier boiled.  In examples (3) kier-boiled cotton is immersed in an aqueous solution containing hydrogen peroxide, sodium carbonate and sodium silicate, the temperature of which is held at 25 DEG C. for two hours and then rapidly raised to 85 DEG C. at which it is maintained for two hours, after which the fabric is washed and dried; the process may be repeated three times; (7) a desized and demineralized cotton fabric is bleached in an aqueous solution comprising sodium chlorite, sodium carbonate, sodium bicarbonate, and sodium hypochlorite, is rinsed and kier-boiled in an aqueous sodium hydroxide solution, and is then immersed in an aqueous solution comprising hydrogen peroxide, sodium carbonate and sodium silicate, the temperature of which is maintained at 25 DEG C. for two hours and then rapidly raised to 85 DEG C. and maintained at this temperature for one and a half hours; finally, the fabric is washed and dried.  The process may be conducted continuously in a J-box.
Patent GB-1192563-A (GB)
Title: Combined Voltage-Ohmmeter Tester
IPC: G01R27/02
Filed: 1967-07-10
Abstract: 1,192,563. Voltage tester - ohmmeter. HOUILLERES DU BASSIN DE LORRAINE. July 10, 1967 [Sept. 5, 1966], No. 31619/67. Heading G1U. A measuring and checking instrument comprises, in a common case, an A. C. voltage tester circuit 1, a tester checking device 20, an ohmmeter circuit 5 and a low voltage D.C source 3; the tester circuit incorporating an indicator 8a, which may be a meter or neon tube, connected between an external prod 6 and a terminal 9 of the checking device. The checking device has an input connectible to one source terminal through a switch 4a, the other terminal being directly connected to the other source terminal. In use, the same source supplies the ohmmeter circuit. The checking device comprises a transistorized oscillator energized from the source 3. In use, before measuring the resistance of high voltage lines with the ohmmeter, it is normal to check with the tester that the voltage is disconnected. The checking device enables the tester to be first checked. In a modification the same indicator may be used for both tester and ohmmeter circuits, appropriate switching arrangements being provided.
Patent GB-1424316-A (GB)
Title: Dust and gas-tight apparatus for charging lifting the door of and closing a charging opening of a coke oven battery
Inventor: BUSBACH WILLI
IPC: C10B31/02
Filed: 1974-07-17
Abstract: 1424316 Confining dust generated in industrial processes; charging coke ovens BERGWERKSVERBAND GmbH and DIDIER ENG GmbH 17 July 1974 [18 July 1973] 31702/74 Headings F4X and F4B Apparatus for confining dust, &c. generated during the charging of coke ovens with preheated or wet coal comprises a hood in the form of a tubular housing 1 provided with a telescopic sealing ring 2 at its lower end, a magnetic lifting device 5 for raising and lowering a coke oven door 6, and a charging pipe 7 received telescopically in an obliquely downwardly extending stub pipe 8 in the side of the housing 1. The top of the tubular housing is sealed by a removable lid 4 provided with inlet and outlet pipes for cooling air. In use the oven door 6 is raised by means of the lifting device 5 and the telescopic charging pipe 8 is lowered over the oven charging aperture 9 so that the oven can be filled with preheated or wet coal; after completion of the charging operation the charging pipe 7 is raised and the magnetic lifting device lowered to replace the oven door 6. The apparatus can then be moved on to the charging aperture of the next oven.