baber/WOPTO huggingface dataset:
Patent GB-217892-A (GB)
Title: Change speed gear, more particularly for use on hoisting gear
IPC: B66D1/12
Filed: 1924-05-29
Abstract: 217,892. Georg Akt.-Ges., A., Claes, W., and Claes, J. June 21, 1923, [Convention date]. Facilitating changing speed; operating clutches and toothed wheels.-In changing speed, a clutch member a is moved laterally and a clutch faced gear d or e is turned into position for engagement by a single driving-member such as a pinion f turned by an auxiliary motor. The invention is applicable to gear-teeth engagement. The clutch is shifted by a lever m connected to a nut l on a screwed rod k driven through a slipping friction clutch i by a wheel g engaging the pinion f. The turning motion is effected through a wheel h and a friction clutch s<1>, s<2> upon the driving-shaft r of the change speed gear. In changing-speed from the position shown, the clutch a moves to the right and the wheel e turns slowly. If the clutch teeth strike on their ends, the clutch i slips until the wheel e has turned to clear the teeth, when the clutch a continues its engaging motion. When engagement is complete, an arm o projecting from the lever m engages a weighted cam lever q which normally holds the clutch s<1>, s<2> closed, and disengages that clutch, leaving the shaft free to be driven by the main motor. The invention is applicable to hoisting-gear.
Patent GB-436600-A (GB)
Title: Improvements in or relating to burners for liquid fuels
IPC: F23D5/00
Filed: 1934-05-02
Abstract: 436,600. Liquid-fuel burners. GERLACH, H. G. A., 10, Idungatan, Stockholm. May 2, 1934, No. 13256. Convention date, March 8. [Class 75 (i)] A liquid-fuel burner in the form of a bowl 1 which is closed or substantially closed at one end and of circular cross section contracting towards the other open end 3 and to which fuel is supplied together with a current of air with rotating or whirling motion is provided with one or more intakes for an additional rotating or whirling air supply. The liquid fuel and primary air are supplied through a substantially tangential pipe 4 and the fuel collects in an evaporating vessel 5 of asbestos or other refractory material. If the bowl is of such material a separate evaporating vessel need not be used. Additional air is supplied through substantially tangential but preferably angularly adjustable nozzles 9 or 10 in the closed end or sides respectively of the bowl or through both. Air may also be supplied through an axially extending tubular member 13 having a spiral guide plate and one or more adjustable outlet slots 15. The turbulence may be increased by spiral guides 7 inside the bowl and by the provision of a conical member 8 if the air supply member 13 is omitted. An overflow pipe 6 carries off excess fuel. An insulating covering 17 may be provided.
Patent GB-181691-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J61/16
Filed: 1922-05-11
Abstract: 181,691. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. June 14, 1921, [Convention date]. Vacuum tubes; low-pressure metallic-vapour apparatus.-The main gas filling of a tube for use as a lamp, rectifier, or amplifier, has added to it a small quantity of a gas having a potential of ionization lower than the potential at which the first inelastic collision occurs in the main gas. In one example, 0.5 to 5 per cent of argon is added to neon at a pressure of 1 cm. of mercury. In such a tube, with electrodes 5 cm. apart, a discharge will be produced at 220 volts, whereas no discharge occurs at that potential in neon or argon alone. In other tubes, a small quantity of argon or krypton is added to helium : or krypton is added to argon. Commercial neon which consists of a mixture of neon and helium may be used as the main filling instead of purified neon. The Specification as open to inspection under Sect. 91 (3) (a) comprises also tubes in which a small quantity of neon is added to helium, or mercury to argon. This subject-matter does not appear in the Specification as accepted.
Patent GB-939607-A (GB)
Title: Treatment of cellulosic materials
Inventor: BAIRD WILLIAM
IPC: D06M14/04
Filed: 1961-04-13
Abstract: Cellulosic materials are treated by forming in or on the material a salt of a per-acid with a cationic compound which is preferentially absorbed by cellulosic materials from aqueous solution, and is a water-soluble quaternary ammonium or phosphonium compound or a ternary sulphonium compound having as the main chain an alkyl or alkylene group with up to 22 carbon atoms or having present in the main chain one or more of the following groups: -CONH-, -CH=CH-, -NHCONH-, -NHCSNH-, -NH-C(=NH)-NH-, -NH-C(=NH)NHC(=NH)-NH-, <FORM:0939607/IV(a)/1> wherein Q is -O-, -NH- or -S-; Y is hydrogen, alkyl, alkoxy or halogen; X is -S-, -SO2-, -CO-, -NH-, -CH=CH-, -CONH-, -CSNH-, -NHCONH- or -NHCSNH-; and Z is -NH-, -O-, -CH2-, -SO2- or -S-, and the material is afterwards treated with an ethylenically unsaturated monomer, preferably in the presence of a redox reducing agent, whereby the monomer is polymerized in or on the material.  Numerous examples of suitable cationic compounds are provided.  Monomers specified are acrylic and methacrylic esters, acrylonitrile, acrylamide, diallyl phthalate or succinate, triallyl cyanurate, poly(allyloxymethyl) melamine, triallyl phosphate, diallylbenzene phosphonate, diallylchloromethane phosphonate, divinyl benzene and vinyl pyridine.  The monomer may be used as such in liquid or vapour form, or in the form of a solution or dispersion. In the examples 1:4 - bis(41 - pyridiniumacetylaminobenzoylamino) benzene dichloride is applied to cotton and rayon fabrics from aqueous solution, followed by treatment with ammonium persulphate and immersion of the fabrics in aqueous solutions of acrylonitrile and potassium metabisulphite, whereby polyacrylonitrile is deposited within the cellulose fibres.ALSO:1 : 4- Bis(41- pyridiniumacetylaminobenzoylamino) benzene dichloride is obtained by reacting p-phenylenediamine with 2 mols. of p-nitrobenzoylchloride, reducing the nitro groups, acylating with 2 mols. of chloroacetylchloride and quaternizing with pyridine.  The persulphate salt of this compound is formed by treatment with aqueous ammonium persulphate.
Patent GB-216330-A (GB)
Title: Improvements relating to machines for packing powdered and like materials
IPC: B65B39/14
Filed: 1923-05-18
Abstract: 216,330. Smith, A., and Southall, C. May 18, 1923. Packing powders &c. into receptacles.-Relates to machines in which powdered and like materials are delivered into packets &c. from a weighing or measuring apparatus. The receptacles d are pushed by a plunger g into engagement with projections e on a flexible steel or other endless band conveyer a having its surfaces vertical. The conveyer moves the receptacles intermittently to the right over a support f which is, in part, inclined so as to raise them into engagement with the lower ends of filling funnels c in readiness for the filling operation.
Patent GB-442817-A (GB)
Title: Improvements in magnetic compasses
IPC: G01C17/00
Filed: 1935-05-07
Abstract: 442,817. Magnetic compasses. JOHNSON, C. H., Linwood Works, Linwood, near Paisley. May 7, 1935, No. 13405. [Class 97 (ii)] The bowl 1 of a liquid compass is housed within a two-part clamp including a lower clamp tube 2 and an upper clamp tube 3. The clamp tubes are provided with out-turned flanges 4, 5 by means of which they are clamped together. An inturned flange 7 on the tube 3 secures the cover glass 8 and an inturned flange 6 on the tube 2 clamps a flexible diaphragm 11 against the margin 13 of the conical bottom 14 of the bowl. A flexible diaphragm 16 spaced above the diaphragm 11 forms a sealed air chamber 20 and an expansion chamber 17 communicating with the interior of the bowl through ports 18. A ring 27 rotatably mounted on the top of the tube 3 is provided with a pair of spaced parallel wires 30 and may be locked after setting by screw 33. The magnet 39 and indicating needle NS are carried by a dome 35 cut away locally at 38 to preserve the diametral continuity of the needle. The bowl is supported within a binnacle 21 by lozenge-shaped spongerubber pads 22 interposed between the flanges 4, 5, and a shelf 23 on the binnacle.
Patent GB-594431-A (GB)
Title: Improvements in or relating to wave transmission networks
IPC: H03H7/20
Filed: 1945-05-29
Abstract: 594,431. Impedance networks. TELE PHONE MANUFACTURING CO., Ltd., and SARAGA, W. May 29, 1945, No. 13456. [Classes 40 (iii) and 40 (v)] A lattice network which may be a phaseshift network, phase equalizer, attenuation equalizer or one that behaves as two complementary filters has either (1) three arms consisting of equal pure resistances and a fourth impedance arm, or (2) two opposite arms consisting of equal pure resistances and the other two arms as equal impedances. In either case the common value of the pure resistance arms is equal to the geometric mean of the source and load resistances. Typical forms are shown in Figs. 7 and 13 but the impedance arms may be any combination of elements which comprises a reactive element. The impedances may be variable manually, or by signal currents to produce phase modulation (or frequency modulation) of a suitable source ; thus the impedance may be a condenser microphone or a variable reactance valve controlled by signal currents. The impedance arm may comprise a low pass filter as shown in Figs. 18, 19 in which case the network, having output terminals OF, ON behaves as two complementary filters. Useful combinations of the outputs from OF and ON are discussed. In all cases where two impedance arms containing inductances are used the corresponding coils in the two arms may be wound on the same core.
Patent GB-1039127-A (GB)
Title: Slide rule cursor
IPC: G06G1/06
Filed: 1965-03-30
Abstract: 1,039,127. Slide rule cursors. G. DENNERT and H. DENNERT, [trading as DENNERT & PAPE ARISTO-WERKE KOMM. GES.]. March 30, 1965 [Aug. 29, 1964], No. 13467/65. Heading G4B. One of two guide bars 13, 14 attached to a slide rule cursor 11 has resilient tongues 16 which engage grooves in the slide rule. The tongues are formed integrally with the guide bar 13, which may be of plastics material, preferably by forming two slits 17 in the bar. For two-sided rules, two cursors 11, 12 (Fig. 3, not shown) may be provided, one of which may be connected to the guide bar 13 by a press stud connection.
Patent GB-883265-A (GB)
Title: Process for producing hollow plastic articles
IPC: B29C49/54
Filed: 1960-04-14
Abstract: 883,265. Dolls. ETABLISSEMENTS HUARD. April 14, 1960 [April 24, 1959], No. 13470/60. Class 132(3) [Also in Group V] The production, by an inflation process, of a hollow doll's head, made of a plastic such as polyethylene, includes the moulding of an appendage, Fig. 3, on the inside of the head, between the eyes. A support, comprising a bearing 8, 11 and a web 9, to carry a spindle for "sleeping" eyes, is obtained by cutting off the two ends of the appendage in the planes indicated, the piercing of the eye sockets removing irregular remnants of material. A pair of standard individual eyes, Fig. 5, are described, each eye comprising a hemisphere 13 fitted to a thin grooved. plate 14, a spindle 12 being held between the plate 14 and a grooved cover (Fig. 6, not shown). A counterweight 18 controls the movement of each eye and stops 16, 17 at the ends of the plate 14 limit its rotation. Alternatively the eyes are joined by a common plate fitted with a single counterweight (Fig. 7, not shown).
Patent GB-182445-A (GB)
Title: Improvements in or relating to regulating devices for electric installations
IPC: G05F1/00
Filed: 1922-05-12
Abstract: 182,445. Etablissements de Dion Bouton Soc. Anon. June 27, 1921, [Convention date]. Addition to 178,418. Systems of charging and discharging batteries.-The auxiliary winding of the electromagnetic switch described in the parent Specification is connected across the resistance that is inserted in the shunt field circuit of the generator..
Patent GB-134903-A (GB)
IPC: F04B19/16
Abstract: 134,903. Grant, J. C. Nov. 9, 1918. Chain pumps.-Comprise two or more chains 3 running over a common driving-shaft on sprocket-wheels &c. and laterally interconnected by means of links 4. Other members 7 may be mounted on the Jinks 4 to divide the spaces enclosed by the links and chains. These members may consist of sheet metal bent to U or V shape and arranged so that the apex of each member projects into the next member. The member 7 may be stamped out of sheet metal so as to form tongues 9, which partly bridge the space between adjacent members. The chains 3 may run over pulleys such as those described in Specification 134,904.
Patent GB-980399-A (GB)
Title: Photographic materials for the silver dyestuff bleaching process
IPC: C09B35/20
Filed: 1963-04-04
Abstract: The Specification describes disazo dyes of the general formula R1-N = N-D-N = N-R2 where D is a 3,31-di-carboxy alkoxy-4,41-di-phenyl group, R1 is a 1-amino-8-hydroxy-7-naphthyl sulphonic acid group and R2 is a hydroxynaphthyl group joined to the azo group in ortho position, the dyestuff containing at least two sulphonic acid groups. The 1-amino group of the residue R1 may be substituted by phenyl, benzoyl (which may be further substituted, e.g. by chlorine), cyclohexyl, acetyl, or p-toluene sulphonyl groups. The group R2 may contain sulphonic acid substituents and/or the group R1 may contain more than one such substituent.  The residue R2 also may contain an amino group which may be substituted as above, and thus the dyes may be symmetrical.  R2 also may contain an alkoxy, methyl, chloro, carboxy or carboxamide substituent.  The symmetrical dyes are prepared by coupling 1 mol. of a tetrazotized 3,31 - di - carboxyalkoxy - 4,41 - diamino-diphenyl with two mols. of a 1-amino-8-naphthol (R1H).  The asymmetrical dyes are prepared by coupling the tetrazo compound first with a 1-amino-8-naphthol (R1H) and then with a naphthol R2H. The copper or nickel complexes of the dyes may be formed by treating them with salts of these metals, or with the copper complexes from glycocoll or tartaric, citric or salicylic acids.
Patent GB-1468533-A (GB)
Title: Explosively welded electric conductor
IPC: H02G5/00
Filed: 1974-03-27
Abstract: 1468533 Making electrical connectors; welding by pressure GEORG FISCHER AG 27 March 1974 [6 April 1973 4 March 1974] 13539/74 Headings B3A and B3R In making an electric conductor a plurality of conductive metal sheets are arranged in a stack, at least one explosive charge is placed at each end of the stack, spacers are inserted between the sheets in the region between the charges at the ends of the stack and the charges are detonated to weld the sheets at each end of the stack. A conductor for use with a rigid conductor, e.g. a busbar or tubular cable, to compensate for the thermal expansion of the rigid member is produced by stacking aluminium or copper sheets 14 Fig. 2 with shorter intermediate spacer strips 16 of steel or plastics material and of unequal length. The ends of the sheets 14 are separated by spacers which together form a comb of steel or plastics material and the assembly is introduced into a two part tool 41, 51 wherein a fold is produced and maintained. Resilient inserts e.g. of rubber or plastics material are provided in the region of the positions 20 and explosive charges 44 are located at the ends of the sheet, 14, and with bodies of metal or plastics material pressed against the sides of the stack where welding is to occur the charges are detonated to produce a conductor 22 as shown in Fig. 3. The explosive charges may be arranged on only one side of the sheets when separating layers of oil, rubber or plastics material are placed between the tools and the sheets and the fold may be formed after welding when the tool 41, 51 may not be required. After welding the spacers 16 are removed the welded ends are squeezed in a press which may have fine transverse grooves to assist current transmission and undesirable parts may be removed and/or fastening holes may be produced. In a modification a three layer conductor is similarly produced with the unwelded parts of the strips spaced apart for cooling purposes. In a further modification a stack of aluminium sheets 48 Fig. 6 is formed with transposed plastics material spacers 49 between the parts of the sheets which are not to be welded and with spacers 52 of spring steel between the ends of the sheets which are to be welded. The stack is clamped between steel tools 41, 51 with interposed plastics layers 46 and explosive charges 44 are arranged at the ends of the stack. Before detonation the spacers 52 are removed and spacing bridges of plaster of paris are provided instead. After detonation of the charges and removal of the tools 41, 51 the welded sheets are cut into a number of strip like conductors by a plurality of circular or band sands in one pass, the welded ends are pressed with grooved tools and holes are punched into the ends. The spacers 49 are finally removed.
Patent GB-1418471-A (GB)
Title: Fluid flow control valve assemblies
IPC: B60G17/052
Filed: 1972-03-23
Abstract: 1418471 Adjusting suspension height DUNLOP Ltd 19 March 1973 [23 March 1972] 13653/72 Heading B7D [Also in Division F2] A fluid control valve for use in an air suspension system for vehicles has an inlet valve and an outlet valve operated by a common actuating member and is adjusted by moving the whole of each valve bodily with respect to the housing. A source of air at pressure is connected to the inlet 23, the inlet-outlet 36 is connected to the air spring and air is exhausted through an outlet port 42. The housing 1 is attached to the vehicle and the pivoted operating arm 4, attached to an axle, operates the common actuating member 3 via a spring-loaded follower and cam arrangement-see Figs. 3, 4 (not shown) and a fork-shaped arm 5. The actuating member 3 is in the form of a damping piston to provide a delay between the occurrence of a relative movement between the vehicle chassis and the axle and the commencement of corrective action by the air spring. Member 3 operates the inlet and outlet screw members 24, 43 via axially displaceable push rods 9, 10 respectively which are sealed in low friction sleeves 38, 40. A non-return valve 29 prevents flow of air from the spring in the event of failure of the air pressure source. The inlet and exhaust valves are screw threaded in bores 22, 41 to provide the necessary adjustment and are locked in place by locking rings 65. 0-rings 63 seal the valve body to the housing and a split ring 64 is placed between the locking ring and the 0-ring. In other embodiments the operating arm is attached directly to a cam which operates the push rods, the damping arrangement being omitted.
Patent GB-347489-A (GB)
Title: Improvements in apparatus for use in intestinal irrigation
IPC: A61M3/02
Filed: 1930-05-05
Abstract: 347,489. Surgical irrigation apparatus. BEK, E. G., 7, Schwarzwaldstrasse, Pforzheim, Germany. May 5, 1930, No. 13730. [Class 81 (ii).] Apparatus for intestinal irrigation comprises a chair to an opening in the seat of which a funnel c, Fig. 2, is attached. The funnel is furnished with a perforated annular pipe m connected with a source of flushing water, and communicates, through an inspection portion of glass, with a collecting tank. The patient sits on a pneumatic cushion h, Fig. 3, having an aperture h<1>. A separate nozzle k connected to a source of irrigating liquid is provided. The chair is provided with a tilted seat and a hinged back.
Patent GB-1159864-A (GB)
Title: A Method of Preparing a Ceramic Suspension for Investment Moulding
Inventor: ZHITKOVA LIDIA ANATOLIEVNA
IPC: B22C5/04
Filed: 1967-03-23
Abstract: 1,159,864. Refractory compositions. NAUCHNO - ISSLEDOVATELSKY INSTITUT TECKHOLOGII AVTOMOBILNOI PROMUSHLENNOSTI. 23 March, 1967 [28 March, 1966], No. 13752/67. Heading C1J. [Also in Division C3] A suspension for use in investment moulding is made by continuously and simultaneously feeding ethyl silicate, water, an organic solvent which is miscible with water and with ethyl silicate, e.g. acetone or isopropyl alcohol, and a powdered quartz filler into a common mixing vessel. The liquid constituents may be fed to the vessel either separately or as a premix made in a separate mixer and acidified with hydrochloric acid. Moulds made from the composition are dried in a mixture of air and ammonia.
Patent GB-711194-A (GB)
Title: Improvements in derivatives of 4-hydroxycoumarins and in their preparation
IPC: C07D311/42
Filed: 1952-05-30
Abstract: 711,194. 4-Hydroxy coumarine derivatives. GEIGY AKT.-GES., J. R. May 30, 1952 [June 5, 1951], No. 13755/52. Class 2 (3). The invention comprises furfurylidene-3: 31- bis-4-hydroxycoumarins of formula where X is hydrogen, chlorine or bromine, and their preparation by condensation of furfural (or its 5-chloro- or 5-bromoderivative) with 4- hydroxycoumarin or salts thereof. The condensation may be carried out in an organic solvent, e.g. methanol, ethanol or dioxan, and the aldehyde may be in the form of a functional derivative, e.g. acetal, diacetate or bisulphite compound. In examples: (1) furfural and 4-hydroxycoumarin are refluxed in methanol, when furfurylidene - 3: 3<SP>1 </SP>- bis - 4 - hydroxycoumarin separates; (2) as in (1) replacing furfural by 5-chloro-furfural to yield 5-chlorofurfurylidene - 3 : 3<SP>1 </SP>- bis - 4 - hydroxycoumarin; (3) as in (1) using 5-bromofurfural to yield 5- bromofurfurylidene - 3 : 3<SP>1</SP> - bis - 4 - hydroxycoumarin.
Patent GB-143551-A (GB)
Title: Telephone exchange system
IPC: H04Q3/42
Filed: 1919-07-22
Abstract: 143,551. Western Electric Co., (Assignees of Lundell, A. E., and Stearn, F. A.). July 22, 1918, [Convention date]. Drawings to Specification. Automatic and semi-automatic exchange systems.-A semi-automatic system is described identical with that described in Specification 130,329. The claims in the present case relate to the relay counting-chain which controls the movements of the selectors to set them in positions determined by the registers on which the number (or a non-decimal translation of the number) of the wanted line is recorded. The relay counting-chain, which forms part of the operator's sending-equipment, consists of ten pairs of relays. The reverting impulses from a selector energize the relays in succession, from the last to the first, one relay being energized at the beginning of an impulse and the next at its termination. When a number of impulses has been received one less than the number corresponding to the setting of the register, a circuit is closed (through the register and through a contact of the last-energized chain-relay) to enable the next impulse to energize the first relay of the chain, which opens the fundamental circuit to stop the selector. If the setting of the register is such that the pre-determined movement of the selector amounts to five or less than five steps, only the first half of the counting-chain is brought into action, the first impulse being directed tb a relay of the fifth instead of the tenth pair. This is effected by the non-energization of an auxiliary relay which is controlled from the register. For example, if the selector is to take two steps, the register closes a circuit to a contact of a relay of the fifth pair; this relay is energized by the first impulse and extends the circuit selected by the register to a relay of the first pair, so that the fundamental circuit is opened on the arrival of the second impulse. If, however, the register has been set to produce more than five steps of the selector, the auxiliary relay is energized and causes the counting-chain to begin building itself up from the tenth pair of relays. For example, if the selector is to take seven steps, the register is set to close two circuits, (1) a circuit to a contact of a relay of the fifth pair, the same as if only two steps were required, and (2) a circuit to energize the auxiliary relay, so that the full chain is brought into action and the fundamental circuit is only opened on the arrival of the seventh impulse.