baber/WOPTO huggingface dataset:
Patent GB-246761-A (GB)
Title: Focusing device for semaphore lamps
IPC: B61L5/18
Filed: 1925-10-15
Abstract: 246,761. Day, S. At. Oct. 15, 1925. Signal lamps; mounting electric lamps in lanterns.-A railway semaphore lamp having an electric lamp bulb adjustably supported therein is provided with focussing-means comprising a sighting-device and a main frame, the latter being adapted to engage the lamp lens so as to cause the sighting-device to indicate the focus of the lens. In one form, the focussing-device comprises two parallel tubes 57, 58. Fig. 3, slidably mounted in an inverted U-shaped bracket 55 having its lower end bifurcated to engage the low upstanding back 2, Fig. 2, of the casing when the top 15 is removed. The tubes are secured to a base-member 60, Fig. 3, carrying projecting, preferably resilient, rods 61, the notched free ends of which engage the outside circular ridge of the lamp lens 5. A coiled spring 70 on the tube 58 urges the base member 60 away from the bracket 55. Peep-holes are provided in a sighting-piece 65 connecting the free ends of the tubes 57, 58. and peep-holes or glazed holes with sighting- marks in the base member 60, one pair being for direct observation of the filament through the tube 58 along the axis of the lens and the other pair' for observation through the tube 57 and a mirror 72 carried by an arm on the base member and arranged at an angle of 45‹ to the axis of the tube 57. The double filament lamp bulb 50 is connected to binding-posts 46, 47 and is capable of being raised and lowered, moved backwards and forwards, or swung laterally to bring it into the focus of the lens. The bulb is carried by a bracket 40 rotatably mounted on a sleeve 35, Fig. 2, and capable of being clamped thereon, the sleeve being vertically adjustable by means of a set-screw 37 on a square shank 33 on a base plate 32, which is secured by means of screwed studs engaging slots therein to a metallic plate fastened to an insulating-block 25. The lower part of the lamp casing has partly cut away side walls 3 and a higher front wall, and the rounded cover overlaps the edges of the lower part and is secured by a hasp fastening 17, 18. The main lens 5 and a small rear lens 19 are secured in place by means of bezel rings.
Patent GB-511235-A (GB)
Title: An improved wallet for protecting and storing photographic negatives and positives
IPC: G03B21/64
Filed: 1938-09-03
Abstract: 511,235. Wallets or folders. EGGEN, C. Sept. 3, 1938, No. 25836. Convention date, Sept. 8, 1937. [Class 146 (i)] [Also in Group XVII] A wallet or folder for holding photographic negatives comprises covers g, e and a number of transparent envelopes a each adapted to contain a single negative, the envelopes being connected together along fold lines c so that they can be folded between the covers g, e. One of the covers is provided with a pocket f for holding prints. The extreme pocket a may be secured to the cover e as shown, or an intermediate fold line c may be secured to the fold between the covers.
Patent GB-680129-A (GB)
Title: Process for the generation of gas in two producers or two sets of producers
IPC: C10J3/46
Filed: 1949-10-08
Abstract: 680,129. Generating producer and water gas. EVANS, O. (Demag Akt.-Ges). Oct. 8, 1949, No. 25890/49. Class 55 (i). Producer gas, synthesis gas or water gas is generated from finely divided low grade fuel in producers or sets of producers operating in pairs, the producers being blown downwardly in parallel through a top interconnection and then a gas, which may be a gasifying agent, e.g. steam, or an inert gas, being admitted alternately to the base of each producer to flow up through the fuel bed of the producer at sufficient velocity to lift the fuel particles and cause them to float, and down through the static fuel bed of the other producer, each bed settling, when the gas admission stops, in the form of a filter with the heaviest particles, particularly the cinders, at the bottom. A number of different operational cycles is described. For example, as shown in Figs. 2, 3 and 4, two producers 1 and 2 are first blown downwardly by air from an inlet 4, the blow gas discharging through an outlet 6, see Fig. 2. When gas-making temperature is reached, the blow is stopped and steam s admitted to the base of producer 1, see Fig. 3, gasifying the fuel therein and lifting the particles as described above. The water gas formed passes through connection 3 and downwardly through the fuel bed of producer 2 to outlet 6, any entrained dust being retained in the static bed. After another short blast period, as in Fig. 2, steam is passed up through the fuel bed of producer 2 and down through producer 1, the fuel bed of which has settled with the heavy cinder particles at the bottom whence they may be removed periodically. When coal is being gasified, the bituminous vapours are cracked in the "static" producer to form permanent gas. If dilution of the water gas with producer gas is admissible, the "run" period may be extended by the admission of air through pipe 4, see Figs. 3 and 4, the pressure in the "active" producer ensuring that the air passes into the "static" producer. To increase the gas yield, the producers may be worked at pressures up to 50 atmospheres.
Patent GB-1217172-A (GB)
Title: Sulphonamides
Inventor: FEIT PETER WERNER
IPC: C07D213/55
Filed: 1967-06-05
Abstract: 1,217,172. Sulphonamides. LOVENS KEMISKE FABRIK PRODUKTIONS A.S. 31 May, 1968 [5 June, 1967], No. 25937/67. Heading C2C. [Also in Division A5] Novel, therapeutic sulphamoyl-benzoic acids (including salts with organic and inorganic bases and including esters thereof) of the following general formula (and including corresponding compounds wherein instead of the -NH.CH 2 .(CH 2 ) n .R 1  group there is an -NH 2 , or -NO 2  group) in which R 1  signifies H, a C 1-6  alkyl, an alkoxy- or halogensubstituted C 2-6  alkyl, an unsubstituted or halogen-substituted C 2-6  alkenyl, a C 2-6  alkynyl, a C 5-7  cycloalkyl or cycloalkenyl, a C 5-7  heterocyclic ring, an unsubstituted isocyclic aryl or an alkyl-, halogen-, trifluoromethyl-, hydroxy- and/or -alkoxy-substituted mononuclear aryl radical, X is Cl, Br or CF 3 , and n is 0, 1, 2 or 3, are obtained: (a) by the reductive alkylation of a 3-amino-4-X-5-sulphamoyl-benzoic acid utilizing an aldehyde, R 1 -(CH 2 ) n .CHO, or (b) by reacting a compound R 1 (CH 2 ) n .CH 2 Y with a 3 - amino - 4 - X - 5 - sulphamoyl - benzoic acid in which the carboxy group is protected or is in the form of a salt. Saponification, esterification, halogenation or hydrohalogenation of unsaturated acyclic groups, and dehydrohalogenation techniques may be applied to final products to afford corresponding compounds of the invention. 5 - Chlorosulphonyl - 4 - chloro - 3 - nitrobenzoic acid, obtained by nitrating 4-chloro-3- chlorosulphonyl-benzoic acid, is converted to the 5-sulphamoyl compound of the invention utilizing ammonia; the nitro group is then reduced to the amino group (iron powder, ammonium chloride and concentrated hydrochloric acid) to afford, also as a compound of the invention, 3 - amino - 4 - chloro - 5 - sulphamoylbenzoic acid (the sodium salt is also described); the corresponding 4-bromo-compounds are also described but in this case the final product is obtained by treating the nitro compound with sodium hydrogen sulphite.
Patent GB-1137592-A (GB)
Title: Process for the preparation of n,n'-arylenebismaleimides
IPC: C07D207/448
Filed: 1967-06-06
Abstract: 1,137,592. N,N<SP>1</SP> - arylene - bis - maleimides. E.I. DU PONT DE NEMOURS & CO. 6 June, 1967 [14 June, 1966], No. 26103/67. Heading C2C. A process for the preparation of N,N<SP>1</SP>-arylenebismaleimides comprises: (i) reacting an arylene diamine and maleic anhydride in a polar organic solvent which is a C 1-4  aliphatic ketone, a C 1-4  alkyl sulphoxide or an aliphatic carboxamide of formula R 1 CONR 2 (R 3 ), in which R 1 , R 2  and R 3  are H or C 1-4  alkyl or R 2  and R 3  together form an alkylene radical optionally containing O or S as hetero atoms or R 1  and either R 2  or R 3  form an alkylene radical, or two or more of these, in the presence of 0À2-3À0 moles, per mole of the diamine, of an alkali metal salt of a C 1-4  fatty acid at a temperature of 20-80‹ C., (ii) adding a C 1-4  fatty acid anhydride to the N,N<SP>1</SP>-arylene dimaleamic acid mixture from (i) and heating at 35-80‹ C. and (iii) isolating the N,N<SP>1</SP>-arylene-bismaleimide so formed. Examples describe the preparation of 2,4- and 2,6- tolylene bismaleimides and N,N<SP>1</SP>-m-phenylene bismaleimide.
Patent GB-688367-A (GB)
Title: Improvements in or relating to clamping devices for springs
IPC: F16F1/12
Filed: 1951-11-08
Abstract: 688,367. Clamps. HACK, K. Nov. 8, 1951 [Nov. 21, 1950], No. 26162/51. Class 61 (ii) In a clamp for holding a helical spring 7 during the bending of the end loops each of the two clamp jaws comprises two symmetrical parts 1a, 1b mounted within a groove in a slide 2 and held firmly against the base by bolts 3 having threaded engagement in the cover plate 4. The upper edge of the oblique gripping surface 5 of each jaw part has a projecting claw adapted for insertion between the coils of the spring. The two halves of the jaws are adjustable to different levels by the insertion of washers 8 beneath one of the two halves.
Patent GB-882163-A (GB)
Title: Process for preparing food-stuffs of improved taste and increased nutritional value
IPC: A23L27/21
Filed: 1960-07-27
Abstract: L-lysine-L-glutamate is incorporated into butter, margarine and other food fats whereby their taste and nutritional value are improved; preferred proportions are 0,1-0,5% by weight calculated on the total weight of product, excluding any water present.  According to an example, 0,5g. of the L-lysine-L-glutamate was kneaded in to 250g. of a salt-free margarine; in another example, 0,4g. of the L-lysine-L-glutamate was kneaded into 100g. of peanut butter.ALSO:L-lysine-L-glutamate is incorporated in oil-or fat-containing foodstuffs whereby their taste and nutritional value are improved; preferred proportions are 0.1-0.5% by weight calculated on the total weight of product, excluding any water present.  The L-lysine-L-glutamate may be applied to spreads or pastes containing oil or fat such as butter, margarine, chocolate spread, peanut butter, cream, mayonnaise, and to oil or fat associated with macaroni, spaghetti and other flour products, and with baked foodstuffs such as bread, rusks, cake, toast, fancy cakes and pastry. According to an example, 0.5 g. of the L-lysine-L-glutamate was kneaded into 250 g. of a salt free margarine; in another example, 0.4 g. of the L-lysine-L-glutamate was kneaded into 100 g. of peanut butter.
Patent GB-1460776-A (GB)
IPC: B29D16/00
Filed: 1974-06-13
Abstract: 1460776 Making laminates from tubular foil; expanding same M O H RASMUSSEN 13 June 1974 26192/74 Heading B5N [Also in Division E1] Constructional elements for light buildings, e.g. shelters, car-ports, garages, greenhouses, are made by winding flattened tubular foil 4 around driven drums 7, 8, applying adhesive before winding so that the wound layers adhere along one or more lines, cutting at 18 and expanding the resultant stack by pulling apart the outer tubular foils in the stack, e.g. by inserted rods. Fig. 3 shows possible structures: structures a, b, c are obtained by applying one narrow line, one broad line and two narrow lines respectively of adhesive and are inflated, and d is a non- inflated structure corresponding to a. Reinforcing braces or tubes 21, 22 may be provided. If the adhesive application is asymmetrical, the structure will be curved. In Fig. 1, the drums 7, 8 are driven by V-belts 10, 11 from a motor 9 and are supported at 5, 6, the latter being displaceable for varying the distance between the drums. The drums support an endless belt 12 which is kept taut by adjustable support rollers 13. The adhesive applicator(s) 16/17 may be moved out of position.
Patent GB-781482-A (GB)
Title: Gas turbine engine
IPC: F02C5/12
Filed: 1954-09-10
Abstract: 781,482. Generating combustion products under pressure. PON, L. Sept. 10, 1954, No. 26213/54. Class 51 (1). [Also in Groups XXVI and XXXIII] A gas turbine engine comprising a plurality of intermittently firing oscillating gas column gas generators which discharge through a common passage to a gas turbine nozzle annulus is so arranged that the gases passing through any given segment of the annulus are discharged from two of the generators which operate in opposite phase to one another. A compressor 12 of the mixed flow type supplies air to a number of intermittently firing combustion chambers 10 of the oscillating gas column type. The combustion chambers 10 each have a check valve 13 and a fuel injector nozzle 14. The valves 13 may be of any type but, as shown, they are of the rotating type and are driven by a synchronous motor 15 at such a speed that the opening and closing of the valves is approximately tuned to the operating frequency of the chambers 10. The chambers 10 are synchronized so that explosions take place simultaneously in alternate chambers in alternation with the simultaneous explosions in the remaining chambers. The synchronization may be obtained by acoustical coupling, synchronized fuel injection or mechanically coupled check valves. The motor 15 also drives an injection pump 19 which discharges alternately into two fuel distributing systems one for each set of alternate combustion chambers. The fuel pump may be governed by factors such as air mass flow, temperature and pressure. The combustion chambers 10 are ignited during starting by spark or glow plugs 20. Once started, the ignition is automatic. During part of the cycle air is inhaled into the tail pipes of the chambers 10 and for this reason the tail pipes are centrally disposed in the chamber 11. The outlet of the chamber 11 is connected to an annular collector duct 22 which converges to merge with a turbine nozzle annulus 23. The turbine annulus 23 has a number of guide vanes 24, Fig. 3, to form channels arranged to catch alternately the gas discharged from adjacent combustion chambers. Additional guide vanes 25 are located between the vanes 24. One or more Helmholtz-type resonators 27 are connected to each channel between the guide vanes 24. The natural frequency of the resonators is approximately twice the frequency of operation of the combustion chambers 10 and is subject to adjustment by screw plugs 28 adjusted collectively by a ring gear 29. The speed of the synchronous motor determines the adjustment of the screw plugs 28. The gases leaving the annulus 23 pass through a two-stage turbine 30 to a jet-propulsion nozzle 31.
Patent GB-1094583-A (GB)
Title: The preheating of gases supplied to magnetohydrodynamic generators
IPC: H02K44/08
Filed: 1965-06-22
Abstract: 1,094,583. Thermal regenerators. SIEMENSSCHUCKERTWERKE A.G. June 22, 1965 [July 3, 1964], No. 26453/65. Addition to 1,094,582. Heading F4K. An improvement in the method of heating combustion air for an M.H.D. generator described in the parent Specification, consists of spraying the melt on to a heat transfer surface of the molten heat transfer medium, in a direction against the flow of waste gases 6 and air 8 respectively, e.g. as by means of ejectors 13, 14 into the heat transfer chambers 7, 9. The invention is described with reference to an arrangement in which the melt is circulated by the fluid pressure differential (e.g. 11 atmospheres at least) between the chambers 7 and 9. In this arrangement heating and cooling devices 11, 12 are provided in the melt circuit 10 and these are utilized to cause a layer of solidified melt and of controlled thickness to be built-up on the walls of the duct 10, thereby varying the rate of flow in the circuit and hence the rate of heat transfer between the chambers 7 and 9. The surface of the melt in the chambers 7 and 9 may be subjected to ultrasonic oscillations whereby the surface is " broken up " and a liquid mist is formed.
Patent GB-723071-A (GB)
Title: Combination nursery birdcage and bird bath
IPC: A01K31/06
Filed: 1952-10-22
Abstract: 723,071. Bird-cages. HALE, E. G., HALE, S. A., and HALE, E. A. Sept. 9, 1953 [Oct 22, 1952], No. 26475/52. Class 5 (2). A combined auxiliary bird-cage and birdbath, of the type adapted to be fitted externally to a bird-cage adjacent to the door, comprises a shallow water-holding base 1 and roof 3, of synthetic resin material, detachably interconnected by a wire-bar cage 5, the roof and base having edge-mouldings 4, 4a which are held against wire edges 5a on the cage 5 by spring-clips 6. The lower wired edge of the cagesection 5 is extended to form hooks 7 by which the device is attached to the main bird-cage. The device is three-sided and has a grille 10 in the roof for filling the bath. The mouldings 4, 4a have grooves which accommodate the edge-wires 5a of the cage-portion. The base has ribs 8 in the floor to assist the birds when using the bath and incorporates sockets 9 for a perch when the cage is used as a nursery for young birds.
Patent GB-227921-A (GB)
Title: An improved holder for shaving sticks and/or the like
IPC: A45D40/00
Filed: 1924-07-23
Abstract: 227,921. Brook, J. A. July 23, 1924. Contents, delivering; fittings, internal.-In a box or holder having an internal platform for a shaving stick f, &c., which is projected' from the box by moving the platform which has portions extending through longitudinal slots in the box, the platform c has an upstanding internally-screwed ring e into which the end of the stick is screwed. The platform has projections c<1> which are bent downwards to form guide portions working in the slot a and are then bent outwards for attachment to a ring d or other manipulating-means. The ring d may carry one or more spring projections which engage one of a series of indentations in the surface of the box to hold the soap stick in various projected positions.
Patent GB-503095-A (GB)
Title: Improvements in the production of electrodeposits of copper
IPC: C25D3/38
Filed: 1937-10-04
Abstract: 503,095. Electroplating with copper. SCHWEIG, B. F. Oct. 4, 1937, No. 26776. [Class 41] A copper plating bath, particularly for protecting the silvering on mirrors, contains copper salts, sodium potassium tartrate and mono-, di, or triethanolamine or diethylene triamine. Sodium, potassium or ammonium hydroxides may be added.
Patent GB-156951-A (GB)
Title: Improvements in or relating to frames for piano-fortes
IPC: G10C3/04
Filed: 1919-10-31
Abstract: 156,951. Hutchinson, T. H. Oct. 31, 1919. Pianoforte bridges; framing; arrangement of strings.-The bass octave p is overstrung and the pins therefor are mounted on an additional wooden lower bridge l behind the bridge m, and slotted or perforated for the passage beneath of the strings k. The pressure bar is dispensed with and the top of the frame a, which may be as described in Specification 12081/14, is formed or provided with an iron bridge e and rib f, between which is gripped a wooden bridge g having pins h, and supporting the strings k. The strings of four lower octaves or thereabouts are arranged obliquely.
Patent GB-903229-A (GB)
Title: Improvements in or relating to stacking arrangements for goods in transit
Inventor: MCKENNA MICHAEL
IPC: B62D33/04
Filed: 1959-08-06
Abstract: 903,229. Overhead trackways in vehicles. McKENNA Ltd., MICHAEL, and KRAFT FOODS Ltd. Feb. 5, 1960 [Aug. 6, 1959], No. 26851/59. Class 78 (4). Pallets 17 of different sizes are supported on roller tracks 13, 14, 15, 16 by false pallets 26 provided with locking-means which engage the tracks to prevent the pallets moving in transit. As described, bolts 27 engage catch-plates on the tracks. T-pieces 30, pivoted to the rear end of frame members 23, 24, can be locked in a vertical position to prevent movement of the goods on the pallets.
Patent GB-892440-A (GB)
Title: Improvements in or relating to the production of steroids and the compounds thus produced
IPC: C07J75/00
Filed: 1960-08-03
Abstract: The invention comprises 3a -hydroxy-17a -bromo - pregna - 11, 20 - dione, 17a  - bromo - pregna - 3, 11, 20 - trione and processes for the preparation of pregn-16-en-3,11,20-trione which comprises steps of subjecting a 3a -acyloxy-17a -bromo-pregna-11,20-dione to alcoholysis with a lower aliphatic alcohol having from 1-4 carbon atoms to yield 3a -hydroxy-17a -bromo-pregna11,20-dione, selectively oxidising the 3a -hydroxy substituent of this product to form 17a -bromo-pregna-3,11,20-trione, and eliminating one molecule of hydrogen bromide from each molecule of this latter compound to give the desired pregn-16-en-3,11,20-trione.  Selective oxidation may be effected with N-bromosuccinimide and dehydrobromination by means of a lithium bromide lithium carbonate couple. Specification 832,244 is referred to.
Patent GB-151612-A (GB)
Title: Improved process for regulating the voltage in metal vapour rectifier installations
IPC: H02M7/06
Filed: 1920-09-22
Abstract: 151,612. Akt.-Ges. Brown, Boveri, et Cie. Sept. 22, 1919, [Convention date]. Vapour apparatus, arrangements of.-In a metal-vapour rectifier installation, the voltage is regulated by means of choking-coils inserted in the anode circuits and each choking-coil is excited by the anode current and by a direct current in the same sense as the anode current, the rectified voltage being regulated by regulating the direct-circuit excitation. The actual voltage of the rectified current is preferably used for the direct-current excitation, and the coils are arranged to be highly saturated with comparatively small currents. An arrangement for monophase current with two choking-coils D1, D2 and two anodes A1, A2 is shown in Fig. 3, the ohoking-coils being excited by windings ZA1, ZA2 in the anode circuits, and by windings ZB1, ZB2 connected in series with an inductance L and variable resistance R across the direct-current mains Ng. The voltage supplied by the rectifier is regulated by adjusting the resistance R. With polyphase systems the number of choking-coils is reduced by allotting the secondary windings of a transformer feeding the rectifier in groups of two or more phases to each choking- coil. In the arrangement shown in Fig. 5<a>, neutral points o1, o2, o3 are provided for each group of the secondary windings S of the transformer T, and these points are connected through windings ZA1, ZA2, ZA3 on the choking-coils D1, D2, D3 to the common neutral point o of the system. The voltage is regulated by direct-current windings ZB1, ZB2, ZB3 connected in series across the direct-current mains Ng through an inductance L and variable resistance R, and additional direct-current windings ZH1, ZH2, ZH3 are connected in series with the main rectified-current circuit through an adjustable resistance W in crder to produce an automatic regulation of the rectified, voltage in accordance With the load. A single core with the anode-current windings ZA1 &c. on separate parallel legs, and direct-current windings ZB, ZH on another leg may be provided as shown in Fig. 5<b>. In another arrangement. Fig. 6, the number of groups of secondary phases is reduced to two, the neutral points o1, o2 of these groups being connected to the common neutral point o of the whole system through windings ZA1, ZA2 on two choking-coils D1, D2. Additional windings ZC1, ZC2 on the coils are connected in series and constitute an electric linking of the coils which prevents an unequal distribution of current over the two groups. In a modification, the two groups have a common neutral point which is connected to the negative rectified-current main. The phases of each group are connected to the anodes through separate windings on one leg of each choking-coil, and a common direct-current winding, in which the voltages induced by the anode currents approximately neutralize each other, may be provided for the two coils.