baber/WOPTO huggingface dataset:
Patent GB-447349-A (GB)
Title: Process of dyeing or printing fibrous material
IPC: C09B29/20
Filed: 1935-01-15
Abstract: Azo dyes are formed on the fibre by coupling thereon an arylide of the formula <FORM:0447349/IV/1> in which the benzene nucleus is substituted in at least one of the positions x by an alkyl or alkyloxy group and may be further substituted, with the diazo compound of an amine of the formula <FORM:0447349/IV/2> in which R is a benzene nucleus which may contain substituents (e.g. halogen, alkyl, alkoxy or NH--acyl).  In examples the following dyes are prepared on cotton: (1) 4-chloro-2-amino-5-acetylamino - 1 : 1<1> - diphenylether --> the 2-methoxy-5-chloranilide (bordeaux-red), (2) 4-chloro-2-amino-5-acetylamino-4<1>-methyl-1 : 1<1>-diphenylether --> the o-anisidide (bordeaux red), (3) 4<1> : 4-dichloro-2-amino-5-acetylamino - 1 : 1<1> : diphenylether --> the 2 : 5-dimethoxyaniline (bordeaux red), (4) 4-chloro-2-amino-5-acetylamino-4<1>-methoxy-1 : 1<1> - diphenylether --> the o-anisidide (bordeaux red).  The corresponding benzoyl compounds yield violet shades.  Other arylides specified are the 4- or 5-chlor-2-toluidide (garnet red used as in the first example), p-phenetidide, 2 : 4-dimethoxy-5-chloranilide, 2-methoxy-5-methylanilide, o- and p-toluidide, 2 - methyl - 4 - anisidide, 4 - chloro - 2 - anisidide, p-anisidide, and m- or p-xylidide of 2 : 3 - oxynaphthoic acid.  Specifications 6379/12, [Class 2 (iii)], 17279/13, 195,600, and 202,984, [all in Class 15 (ii)], and 383,064 are referred to.  4 - Halogen - 2 - amino - 5 - acylamino - 1 : 1<1>-diphenylethers above referred to are made by reducing and acylating the condensation products from 2-nitro-1 : 4-dihalogen-5-aminobenzene and phenol or a nuclear substitution product thereof, such as o-, p- or m-cresol, o-, m- or p-chlorophenol, a chlorcresol, a dichlorophenol, a monoalkyl ether of hydroquinone or resorcinol or pyrocatechol, chloroguaiacol, (1-oxy-3-chloro-6-methoxybenzene).  The Specification as open to inspection under Sect. 91 comprises the coupling of any arylide of 2 : 3-oxynaphthoic acid in substance or on the fibre with the above mentioned diazo compounds.  In an example the following dyestuff is made in substance: 4-chloro-2-amino-5-acetylamino-1 : 1<1>-diphenylether --> the p-toluidide.  This subject-matter does not appear in the Specification as accepted.
Patent GB-196096-A (GB)
Title: Automatic draught, dust and damp preventer for affixing to doors
IPC: E06B7/20
Filed: 1922-01-18
Abstract: 196,096. Mayer, J. Jan. 18, 1922. Draught, dust, and weather excluders.-In a draught &c. excluder of the type comprising a spring-actuated flap hinged at the bottom of a door, and cambered to engage a roller on the door post, the roller A is fitted with a rubber ring, and the movement of the flap is limited by angular strips of sheet metal C. In order to apply the draught-excluder to the inside of a door, a bracket with an inclined arm to engage the roller is carried by the flap.
Patent GB-264840-A (GB)
Title: Improvements in or relating to the manufacture of sulphuric acid
IPC: C01B17/82
Filed: 1927-01-19
Abstract: 264,840. Montecatini Soc. Generale per l'Industria Mineraria ed Agricola, and Klien, R. Jan. 19, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Acids, concentrating and distilling; spray evaporators.-Solutions, for example of salts or of sulphuric acid, are concentrated by spraying them into a narrow chamber through which a stream of gases is passed, in such a manner that all the gases are obliged to meet the mass of sprayed solution. The apparatus shown in horizontal section is used for the production of sulphuric acid, but it is stated that the process of effecting intimate contact between the gas stream and the acid liquor may be employed for concentrating solutions. The liquor entering by pipes 4 is atomized on meeting the discs 5 which are rotated at high speed about the shafts 6. The gases enter by a pipe 2 and leave by ripe 3. A number of units may be used in series.
Patent GB-849846-A (GB)
Title: Improvements in or relating to clips for fixing hollow ornamental strips on motor vehicles
IPC: F16B5/12
Filed: 1958-01-16
Abstract: 849,846. Stud and socket fastenings. RAYMOND, A. V., [trading as RAYMOND DRUCKKNOPF-UND METALLWARENFABRIK, A.]. Jan. 16, 1958 [Sept. 14, 1957], No. 1618/58. Class 44. A clip for fixing hollow ornamental strips on vehicles is made of a resilient plastics material and comprises a head 5, formed with two parallel flanges 7 whose distance apart corresponds to the inner width of the ornamental strip to be fixed, a resilient skirt 4, attached to the head 4 and a portion adapted to engage an aperture in a coachwork wall, said portion extending from the head inside the skirt, which skirt spreads out elastically as the portion is pressed into the aperture and adapts itself to the wall to form a seal against moisture. As shown the aperture engaging portion is a stud which comprises a loop having elbows 3. The head .has a narrow central rib 6 which reduces friction when the clip is slid into the ornamental strip. In a modification a central web joins the head to the apex of the stud.
Patent GB-1345981-A (GB)
Title: Device for controlling suction retention and separation of sheets
IPC: B65H3/08
Filed: 1972-01-13
Abstract: 1345981 Separating sheets GLORY KOGYO KK 24 Nov 1972 [30 Nov 1971] 54470/72 Heading B8R Sheet separating apparatus comprises a suction head 6 and a vacuum pump with a first on/off valve 11 between them. A second on/off valve 12 between the head and the first valve, communicates with atmosphere. An electric control circuit (Fig. 4) operates the valves 11 and 12, so that at the end of a feed sequence, the vacuum in head 6 is rapidly returned to atmospheric pressure thereby reducing the chances of a fake separation from the stack (2, Fig. 1). A rotary valve 15 driven by motor M controls the intermittent application of the vacuum to the head 6 during a normal feed sequence. The separator is used in bank note dispensing apparatus in which a number of stacks are mounted around a drum (Fig. 1).
Patent GB-773909-A (GB)
Title: Improvements in shaft packing between a rotary shaft and a stationary casing
IPC: F16J15/36
Filed: 1955-01-20
Abstract: 773,909. Stuffing-box packing. AMIRAULT, M., and DESTOUMIEUX, P. Jan. 20, 1955 [Jan. 23, 1954], No. 1733/55. Class 122 (5). A rotary shaft seal comprises an annular flexible diaphragm C carrying at its outer periphery a sealing ring A resiliently urged into facial contact with a stationary ring K and sealed at its inner periphery to the shaft B by being compressed between the shaft and a hub G mounted thereon by a gland I. A flange F on the inner periphery of the diaphragm and a packing-ring H are tightened within the hub by the gland I. The ring A is urged axially by a spiral spring L compressed between a shoulder M on the hub G and a part E which, by means of a turned-over edge D of the ring A, clamps the diaphragm to the ring. The ring K has radial slots Q. therein and is sealed in a recess in the shaft casing N by a packing-ring O. The diaphragm may be of nylon, rubber, teflon, vinyl chloride, or the material known under the Registered Trade Mark " Thiokol," and the packing rings H, O may be of lead or nylon.
Patent GB-547043-A (GB)
Title: Improvements in or relating to the catalytic treatment of hydrocarbons
IPC: C10G35/14
Filed: 1941-02-10
Abstract: 547,043. Catalytic treatment of hydrocarbons. STANDARD OIL DEVELOPMENT CO. Feb. 10, 1941, Nos. 1738 and 1739. Convention dates, Dec. 5. 1939 and Dec. 16, 1939. [Classes 1 (i) and 32] In the treatment of hydrocarbon vapours with supended catalysts, the catalyst after the treatment has taken place and either before or after its removal from the reaction products is subjected to further treatment at a higher temperature in order to remove absorbed or occluded hydrocarbons. In Fig. 1, oil vaporized in 5 is mixed with catalyst by injector 12 and treated at cracking temperature in reactor 17. The catalyst is separated from the reaction products in cyclone 19 mixed with steam or inert gas at 825-900‹F. in injector 32, and passed through coil 37 heated to 1000‹F. The treated catalyst is separated in cyclone 44, mixed with steam from line 50 and injected into separator 52 from which it is returned to hopper 63 for re-use. The hydrocarbon vapours recovered from the catalyst are added to the main current of reaction products and passed to fractionating column 21, from which a heavy fraction is returned by line 48 to the separator. In a second form of the invention (not shown) the reaction product from the first converter carrying the catalyst in suspension is passed through a second converter comprising a coil heated to 1000‹F., and the catalyst is subsequently separated. The gaseous products are passed to a fractionating column from which the bottom fraction is returned to the second reactor.
Patent GB-399060-A (GB)
Title: Improvements in or relating to overload circuit breakers
IPC: H01H73/30
Filed: 1933-01-19
Abstract: 399,060. Automatic circuit-breakers. TRINKL, H., 76, Spenglergasse, Augsburg, Germany. Jan. 19, 1933, No. 1806. Convention date, May 30, 1932. [Class 38 (v).] In a thermally-operated overload circuitbreaker of the kind in which the circuitbreaking operation is initiated by the alteration in shape of a wire 5 which carries the current and is wound on an insulating body 6, a second thermal releasing member is provided in the form of a bimetallic strip 17 which transmits the distortion of the wire to the latching device of the circuit-breaker, the response of the bimetallic strip to the heating effect of the current being added to that of the wire. In the construction shown, the circuit-breaker is enclosed in a porcelain container 1 with contact pins 2, 3, and is used in the same way as a cartridge fuse. The pin 2 is connected through an adjustable slide bar 4, and the heating coil 5 to a metal body 7 in which is mounted a movable contact member 8 adapted to engage a fixed contact 9 connected to the pin 3. In the closed position of the circuit-breaker, the contact 8 is held in engagement with the contact 9 against the action of a spring 10 by. a latch 13 pivoted at 15 to a press-button 12. Expansion of the wire 5 permits the strip 17 to move to the right and release the latch by engaging a pin 16 thereon ; in moving to the off position, the contact member 8 engages a pawl 21 and releases the pushbutton 12, which returns to its off position under the action of its spring 24. At the same time the engagement of an aperture in a disc 11 carried by the contact member 8 with a cam surface 30 on a plunger 28 connected to a vane 26 rotates the latter and causes it to pass between the contacts 8, 9 to extinguish the arc. The vane may be made of a material which generates gas to assist in the arc extinction, and in addition the coil 5, assisted by auxiliary windings if necessary, acts as a magnetic blow-out, the effect of which may be increased by making the switch elements, particularly the contact member 8, of magnetic material. The bimetallic strip is connected to the metallic member 7 and, by shunts 37, to the contact member 8, so that it carries part of the current and is heated directly, as well as indirectly by the coil 5. In the event of slight overloads in which the coil 5 heats slowly, and the insulating body 6 is heated at the same time, the differences in expansion between the coil and insulating body may be insufficient to operate the circuitbreaker, but in this case the bimetallic strip acts independently to effect a release..
Patent GB-606780-A (GB)
Title: Frequency modulation system for electric signalling
IPC: H03K7/06
Filed: 1946-01-18
Abstract: 606,780. Frequency modulation. STANDARD TELEPHONES & CABLES, Ltd. Jan. 18, 1946, No. 1828. Convention date, Jan. 23, 1945. [Classes 40 (v) and 40 (vi)] In a frequency-modulation system, the signal voltage b, Fig. 2, is first converted into a 'regular sequence of sawtooth or like voltages c, the slope of which varies according to the instantaneous value of the signal voltage. The saw-tooth voltages are then applied to a device which varies the phase of the carrier wave, and therefore varies the carrier frequency d proportionally to the slope of the saw-teeth. In Fig. 1, the saw-tooth generators comprise condensers 7, 8 charged through resistances 13, 14 and discharged through triode valves 5, 6 when positive pulses a are applied to the grids from a supersonic oscillator 1 and pulse generator 2. The driving-voltage is supplied from the signal source through a transformer 10, and the sawtooth generators are operative alternately, negative voltages on the condensers being inhibited by the diodes 19, 20. The output voltages of the form c, Fig. 2, are applied through a high-pass filter 35 to the grid 36 of a reactance valve 37 connected across the tuned output circuit 40 of an amplifier 39 fed from the crystal-controlled carrier source 45. The phase of the carrier passing to the aerial 50 is consequently varied in dependence on the grid voltage of the valve 37, and the emitted frequency thus varies proportionally with the rate of change of that grid voltage, i.e. with the signal voltage. Quadrature carrier voltage for the grid of the reactance valve is supplied through a condenser and variable resistance 42 from the tuned anode circuit 40 of the valve 39. In a modification, Figs. 3 and 4 (not shown), only one saw-tooth generator is used, and a battery is connected in series with the secondary of the transformer 10. Specification 596,376 is referred to.
Patent GB-1407524-A (GB)
Title: Beneficiation of ores by froth flotation
IPC: B03D1/06
Filed: 1973-01-12
Abstract: 1407524 Froth flotation AMERICAN CYANAMID CO 12 Jan 1973 [24 March 1972] 1839/73 Heading B2H An ore is beneficiated by subjecting it to froth flotation in the presence of tetrasodium N-(1, 2-dicarboxyethyl)-N-octadecylsulfosuccinamate as a collector. The ore may be celestite (SrSO 4 ), barite (BaSO 4 ), scheelite (CaWO 4 ), fluorite (CaF 2 ), calcite (CaCO 3 ), magnesite (MgCO 3 ), gypsum (CaSO 4  . 2H 2 O), anhydrite (CaSO 4 ) or apatite (Ca 4 (CaF) (PO 4 ) 3 ). Sodium silicate, sodium carbonate, sodium hydroxide and quebracho may be used as depressants for gaugue materials which may include calcite, hematite, quartz, calcium fluorite, silicates, garnet, diopside, dolomite and argillaceous minerals. Polypropylene glycol may be used as a frother. The flotation may be carried in stages a portion of the collector being added at each stage. Examples are given.
Patent GB-477193-A (GB)
Title: Improvements in and relating to instruments for measuring lengths and angles
IPC: G01B5/02
Filed: 1937-01-21
Abstract: 477,193. Calculating-apparatus. IKE, A. E. Jan. 21, 1937, No. 1854. [Class 106 (i)] [Also in Group XX] Linear measures 1, 3, Fig. 3, are pivotally and slidably connected together. The measure 3 terminates in a ring 41 rotatable about a mounting 11 to which it may be clamped; a graduated plate 43 for indicating the angle between the measures may be angularly adjusted on the mounting to facilitate fine adjustment; the measure 1 is slidable through the mounting diametrically and may be clamped thereto. Means to facilitate fine adjustment of the measure 1 may comprise an opening 16 in a face plate 15 screwed to the mounting 11 and a slide 22 which may be finely adjusted in the opening 16 by a micrometer 26, Fig. 2, until an index 24 thereon is displaced from an index 19 on the plate 15 a distance corresponding to the fractions of units of the desired setting. A window 23 in the slide 22 enables the nearest unit graduation of the measure 1 to the desired setting to be readily brought into coincidence with the adjusted index 24, whereupon the measure is clamped by a set screw 25. The graduated plate 43 is loosely mounted between plates 42, 46 and may be angularly adjusted to displace the index 51 thereon relatively to an index 53 on the plate 46 an amount corresponding to the minutes and seconds of the desired setting by a train of gears 72 engaging an internal rack 44 on the plate 43. Pointers 75 are carried by the gear train. The measure 3 is then moved to bring an index 49 thereon into coincidence with the nearest degree mark on the adjusted plate 43 to the desired setting. Three measures may be combined to form an adjustable triangle as shown in Fig. 2.
Patent GB-632146-A (GB)
Title: Improvements in thermionic pulse generating circuits
IPC: H03K5/01
Filed: 1945-01-23
Abstract: 632,146. Pulse generating circuits. BRITISH THOMSON-HOUSTON CO., Ltd. (General Electric Co). Jan. 23, 1945, No. 1856. [Class 40 (vi)] A pulse generator supplies pulses to' an amplifying stage. the output pulses being fed back over a delay circuit to terminate the output pulses. The process may be repeated to obtain shorter pulses. The flip-flop pair comprising valves 21, 22 normally operates with valve 21 conducting, valve 22 being biassed off, a square wave from source 55 cutting off valve 21 to reverse the states of the valves, which return to normal after the coupling capacitor has discharged over the appropriate resistor 43. The short negative pulse from valve 22 cuts off the normally conducting valve 59, producing a positive pulse at the anode which is fed to a normally non- conducting double tetrode 66, operating with its electrodes effectively in parallel. The negative pulse from valve 66 is reversed in transformer 13 and applied as a positive pulse to the normally non-conducting valve 76 to produce a large negative pulse which is applied over a coupling condenser to the cathode of magnetron 15. A fraction of the negative pulse is fed to a delay line 17 terminated by its characteristic impedance 98, the negative potential cutting off the valve 66 before the initial positive pulse from valve 59 has terminated. The length of the final pulse, determined by the delay line 17, may be adjusted by switch 94. To. avoid double pulsing the initial pulse should not be terminated during the first half and this may be avoided by ganging switches 42, 94. The effects of strong capacity in rounding the edges of the pulse may be minimised by employing compensating inductances 99, 63. A feed-back system, Fig. 4 (not shown), may be applied to valve 66 to improve the response, comprising a resistance and condenser in series connected between the grids of valves 66, 76.
Patent GB-1153728-A (GB)
Title: Improvements relating to Loose-Leaf Binders
Inventor: MORTIMORE CHARLES HENRY
IPC: B42B5/10
Filed: 1966-01-14
Abstract: 1,153,728. Loose leaf binder; bookbinding. C. H. HARE & SON Ltd. 16 Jan., 1967 [14 Jan., 1966], No. 1863/66. Headings B6A and B6E. In a loose leaf binder of the kind comprising a continuous spiral, or as shown, a comb 13 having individual teeth 12 looped through perforations 11 in the leaves 10, the hollow formed by the comb 13 or spiral accommodates a post 14 which is releasably attached to lugs 18, 19 attached to the outer binding. The post 14 may be attached by two screws, one peg and one screw or as shown by a peg 22 and a spring urged lug 29.
Patent GB-1080427-A (GB)
Title: Process for preparing 5'-xanthylic acid by the fermentation method
IPC: C12P19/30
Filed: 1965-01-15
Abstract: 51-Xanthylic acid is prepared by a fermentation process which comprises culturing Brevibacterium ammoniagenes in an aqueous nutrient medium containing assimilable sources of carbon and nitrogen, pantothenic acid or calcium pantothenate or b -alanine, and thiamine or acid addition salts thereof and psicofuranine (angustmycin C) at a concentration greater than 50 m g/mol. until a substantial amount of 51-xanthylic acid has accumulated.
Patent GB-1491553-A (GB)
Title: Rotary piston compressors of the trochoidal type
IPC: F04C29/12
Filed: 1975-01-16
Abstract: 1491553 Rotary positive displacement compressors BORSIG GmbH and WANKEL GmbH 16 Jan 1975 [17 Jan 1974] 1891/75 Heading F1F To reduce torque reversal on the shaft of a compressor of the slip engagement trochoidal type having a chamber defined by a single lobe trochoidal peripheral surface 2 and a two apex piston 11, an inlet port 3 and an outlet port 6 are arranged so that when the piston is in its dead centre position as shown or immediately following this point one of the apex seals 13 ties at the leading edge of one of these ports. The port may be the inlet or outlet port or the two apex seals may lie one at the leading edge of each of these two ports.
Patent GB-659901-A (GB)
Title: Improvements in or relating to ovens for drying foundry cores or other articles
IPC: F26B15/22
Filed: 1949-01-24
Abstract: 659,901. Drying apparatus. BALLARD & CO., Ltd., F. J., and WATSON, A. Jan. 24, 1949, No. 1933. [Class 34(ii)] Apparatus for drying foundry cores &c. comprises two chambers 11, 12 disposed vertically and side by side and having an endless conveyer system 13, the 'trays 14, which carry the articles ascending through chamber 11 and descending through chamber 12, the chambers 11, 12 being separated by an exhaust duct 18 and the two walls 19 which form partition walls between the duct 18 and the chambers 11 12 having slots 21 through which drying gases may pass. An inlet duct 22 is disposed on the outer side of each chamber and has slots 23 in its walls 24. The inlet slots 23 are vertically staggered relatively to the exhaust slots 21 of the chambers. The exhaust duct 18 is connected to a gas heater which is in turn connected to a fan which returns the heated gases to ducts 22, the gases passing across the chambers to the exhaust duct and impinging on opposite sides of the articles in the two chambers. Means may be provided for replenishing the supply of gases to the circulating system.
Patent GB-1512471-A (GB)
Title: Method of producing low sulphur steel
IPC: C21C7/064
Filed: 1976-01-19
Abstract: 1512471 Steel production USS ENGS & CONSULTANTS Inc 19 Jan 1976 [23 Jan 1975] 02030/76 Heading C7D During the production of steel by bottomblowing an impure melt with oxygen, a desulphurizing step is incorporated by blowing a powdered desulphurizing agent, e.g. lime, calcium carbide, into the melt with inert gas whilst maintaining reducing conditions therein. The desulphurizing strip may be effected in the early stages of production, in which case the unremoved C and Si provide the reducing conditions, or at any stage by supplying powdered deoxidizing agents, e.g. Ti Zr Al, with the desulphurizing agent.
Patent GB-102644-A (GB)
Title: Improvements in or relating to Sewing Machines.
IPC: D05B29/00
Filed: 1916-02-11
Abstract: 102,644. Singer Manufacturing Co., and Corrall, H. Fet. 11, 1916. Sewing-machines; presser - bars, locking.-The presser - bar is normally held clear of the work and is depressed during each stitchforming operation, by the movement of a sliding block 2 acting through a spring 5 on a fixed collar 4 on the bar, as described in Specification 1920/15, the block 2 being actuated, according to the present invention, by a connexion with the needle-actuating bar. This connexion comprises an arm 6 integral with the needle-bar link actuating crank-stud 9 and having a roller 8 entering a slot 7 in an extension of the block 2. In its upward movement, the block 2 engages a collar 3 fixed on the presser-bar, or an interposed spring or cushion, and imparts upward movement to the bar. Perforating - devices. -- A piercer - bar 13 is mounted for independent operation in the tubular presser-bar. When applied to a group of machines, each piercer-bar is operated by a bellcrank lever 10 pivoted on a bracket 11 and operated by a common rod 12 under the control of the operator.