baber/WOPTO huggingface dataset:
Patent GB-216105-A (GB)
Title: Multiple wave acoustic apparatus
IPC: H04B11/00
Filed: 1924-04-07
Abstract: 216,105. Signal Ges, (Assignees of Hahnemann, W.). May 14, 1923, [Convention date]. Magnetic instruments; loud-speakers; systems for transmitting music &c.-In order to cover efficiently the whole range of speech frequencies, a plurality of sound receivers and/or transmitters is used, each instrument consisting of two or more oscillatorv structures tuned to the same pitch and coupled together, and the resulting broad resonance bands being in different parts of the range. Preferably, the resonance curves of all the instruments together make up the complete range of sound. In the case of magnetic instruments, the diaphragm 20, Fig. 2, and the air chamber 22 of each instrument are separately tuned to the same frequency, and the resulting coupling frequencies cover, for example, the respective ranges 600 to 1200, 1200 to 2300, and 2300 to 4200. Each instrument may have its own sound collecting or sound transmitting horn, as with the microphones 4, 2, 3, or the sound may 'be collected or emitted through a common horn 23. Each instrument or group of instruments may be connected to a common telephone circuit or antenna by means of filter circuits, as with microphones 1, 3, or by means of tuned circuits with broad ranges as with the microphone 2 and the magnetic instruments, the circuits in all cases being arranged to pass to or from the instrument only the range of frequencies to which that instrument is mechanically tuned. The Specification as open to inspection under Sect. 91 (3) (a) also described several mechanical oscillatory systems intended for different frequency ranges and having a common magnetic system, as shown in Fig. 4 (Cancelled), in which each of the two magnet systems 35, 36 actuates three diaphragms, the coils of the magnet systems being connected by means of filter circuits to the line l<1>, l<2>, one set of circuits passing lower frequencies and the other higher frequencies. Another example is described in which six magnets are arranged in the form of a hexagon and six diaphragms in the same form, each diaphragm being acted on by two of the magnets and each magnet acting on two diaphragms. A collecting chamber is mounted around all the vibrators. The coils of the six magnets are connected in parallel through filter circuits to the line. This subject-matter does not appear in the Specification as accepted.
Patent GB-295206-A (GB)
Title: Improvements in and relating to music roll cases
IPC: B65D5/38
Filed: 1928-03-23
Abstract: 295,206. Inigo, M. Aug. 13, 1927, [Convention date]. Drawer and shell cases; lids, opening.-In a drawer and shell case for music rolls the shell 1 is provided with a closing flap 2 which is fastened in a closing position by a tab 3<a> at the open front of the drawer or inner case 3. The sides of the drawer 3 are shaped as shown so as to raise the flap as the drawer is withdrawn by pulling on the tab 3<a>.
Patent GB-544839-A (GB)
Title: Improvements in apparatus for use in electro-plating
IPC: C25D17/02
Filed: 1941-07-15
Abstract: 544,839. Electro-plating baths. MOND NICKEL CO., Ltd. July 15, 1941, No. 8947. Convention date, July 15, 1940. [Class 41] An electro-plating bath is divided into anode and cathode compartments by one or more partitions 5, 6, each comprising a framework mounted to slide into position in holders 7 and carrying sheets 16 of material such as porous rubber or woven glass, pervious to the electrolyte but impervious to solid matter such as particles becoming detached from 'the soluble anodes 44 or coagulated particles of organic " brighteners," the space between the sheets 16 being filled with filtering material such as mineral wool or asbestos. The anode compartments 2, 4 are extended downwardly to form sludge sumps 19, 20 provided with outlets 17, 18 through which the electrolyte may be withdrawn for filtration. The plate anodes 44 may be replaced by anode holders such as that shown in Fig. 5 and consisting of frame members 53, 60, covered with gauze 64. Small particles of anode material are placed in the false bottom portion below the gauze cover 65 and larger pieces in the body of the holder. The Specification as open to inspection under Sect. 91 describes several other forms of holders for soluble anode material. This subject-matter does not appear in the Specification as accepted.
Patent GB-140823-A (GB)
Title: Improvements in or relating to steel and its heat treatment
IPC: C22C38/04
Filed: 1920-03-26
Abstract: 140,823. National Malleable Castings Co., (Assignees of Kranz, W. G.). May 21, 1915, [Convention date]. Annealing and tempering.-A steel containing about 1.3-1.6 per cent of manganese is heattreated by heating it under automatically controlled conditions to about 825-900‹ C., quenching, reheating to about 550-600‹ C., and cooling slowly in air.
Patent GB-287904-A (GB)
Title: Improvements in or relating to processes for bleaching or oxidising fibrous substances and fabrics by treatment with ozonised air
IPC: D06B5/00
Filed: 1928-03-24
Abstract: 287,904. Aczel, I. March 29, 1927, [Convention date]. Drawings to Specification. Waxes; candles; oils.-According to the Specification as open to inspection under Sect. 91 (3) (a) waxes, candles, oils, &c. are treated with ozone by direct exposure to electrio discharges, the material being placed or carried between or around the electrodes. Blowing devices are thus rendered unnecessary, though pressure may be increased in the ozonizer, or a certain amount of circulation given, by a small fan. This subject-matter does not appear in the Specification as accepted.
Patent GB-348296-A (GB)
Title: Improvements in or relating to artificial limbs
IPC: A61F2/58
Filed: 1930-03-20
Abstract: 348,296. Artificial arms. BLATCHFORD, C. D. W. and BLATCHFORD, W. A. D., 90, Clapham Road, Stockwell, London. March 20, 1930, Nos. 8996 and 22260. [Class 81 (ii).] In an artificial forearm member, wrist joint or hand member comprising separable parts, one part comprises a socket 2, Fig. 4, provided with a number of apertures 6 through which balls or like detents are pressed by springs to engage recesses in a plug on the other part so so to permit step-bystep angular adjustment. The joint is secured against longitudinal displacement by a latch 25 engaging a groove on the plug, the latch being actuated through a lever, not shown, by a knob housed in a bayonet-slot in the casing. The joint is positively locked by a pin 10 engaging one of the recesses in the plug. The pin 10 is provided with an extension pin 13 which can slide in a slot 15 and on which is mounted a roller 14 actuated by a lever 16 having a knob which is held in either extreme position by a bayonet slot in the casing. The lever actuating the latch 25 may be provided with a pin engaging the lever 16 so as to release the plug by a single movement. The socket 2 may be provided with means such as a spring-pressed plunger engaging the head of the plug member to prevent rattling. The locking pin may alternatively be operated directly by a button 33, Fig. 9, secured to an extension of the pin 32 and provided with a V-shaped extension 34 adapted to enter a recess 35 in the housing in the locked position or a pair of notches 37 in the withdrawn position.
Patent GB-1179766-A (GB)
Title: Process for the Polymerization of Styrene Monomer
IPC: C08F279/02
Filed: 1967-02-24
Abstract: 1,179,766. Continuous bulk polymerization of styrene. CRAWFORD & RUSSELL Inc. 24 Feb., 1967 [25 Feb., 1966], No. 9035/67. Headings C3G and C3P. Styrene is continuously bulk polymerized by polymerizing the monomer in a first temperature controlled polymerization zone, bounded by heat-exchange surfaces which maintain the zone at a predetermined temperature, by withdrawing heat while continuously moving the polymerizing mass away from the immediate vicinity of the heat exchange surfaces and into the adjacent body of the polymerizing mass whilst displacing the polymerizing mass through the zone and continuously supplying styrene to the zone and withdrawing a predetermined proportion of partially polymerized material which is continuously delivered to a second polymerization zone bounded by heat exchange surfaces and maintained at a pressure not above that in the first zone and at a higher temperature to promote vaporization of unpolymerized materials while exposing the polymerizing mass to the vaporization pressures in the second zone and continuously withdrawing a predetermined proportion of the polymerizing mass for subsequent devolatilization, cooling and delivery of the resulting polymer. The styrene may be polymerized with polybutadiene to produce a mixture of polystyrene with a graft copolymer of polybutadiene and styrene; and benzoyl peroxide and tert.-dodecyl mercaptan may be present during polymerization. Fig. 1 shows a flow diagram of the above process. Figs. 2-7 (not shown), illustrate the primary and secondary reactors and the wiped-film agitators employed therein.
Patent GB-236650-A (GB)
Title: Improvements in and relating to sound amplifying conduits
IPC: G10K13/00
Filed: 1924-04-09
Abstract: 236,650. Flizikowski, J. S. April 9, 1924. Tone-arms.-Relates to sound-amplifying conduits for gramophones, radio receiving apparatus, &c. According to the invention, the conduit comprises a throat 3, leading to an amplifying chamber 4, the throat being formed of a number of longitudinal strips of wood. such as spruce, the grain of which extends substantially parallel to the path of the sound waves. The strips are polygonal in cross-section, their edges being glued or otherwise secured together. In making the throat, a tapering tube 6 is first formed from the strips, Fig. 4, and this is cut into sections along lines indicated by the dotted lines 7. The three main portions thus formed are then joined together at their ends to form the bent throat shown in Fig. 1 as connecting the tone-arm 2 of a gramophone to the chamber 4. This chamber, which is also made of wood having the grain running in the direction along which the sound travels, is rectangular in cross-section. An apertured thin wooden partition 15 is arranged as shown.
Patent GB-611085-A (GB)
Title: Improvements in bobbin carriers for braiding machines
IPC: D04C3/14
Filed: 1946-03-25
Abstract: 611,085. Braiding-machines. HOBOURN. P. L., JOY, W. H., and HOBOURN AERO COMPONENTS, Ltd. March 25, 1946, No. 9056. [Class 74(i)] The thread passes round a hook-on and lifts the usual tensioning weight 9 on its guide post 7 against the action of a spring 8 until the weight reaches the upper abutment 16 of a slotted tubular member 11 slidable in a slotted tubular casing 14: continued upward movement of the weight then lifts the member 11 against the action of a spring 17 (the weight of which differs from that of spring 8) and rotates the pawl lever 5 to release the bobbin 3. A closure member 10, secured to the casing 14, contains a spring-loaded collar 20 which retains springs 3, 17 in position.
Patent GB-685449-A (GB)
Title: Improvements in or relating to the production of resinous compositions
Inventor: WHITEHOUSE ARTHUR ARNOLD KERR
IPC: C08G63/676
Filed: 1949-04-04
Abstract: A polymerizable composition comprises (1) an unsaturated alkyd resin prepared by reacting one or more unsaturated dibasic acids, e.g. maleic, fumaric, citraconic, mesaconic, itaconic, or mixtures thereof with a mixture of a low molecular weight glycol, e.g. ethylene, diethylene, propylene or dipropylene glycol, and 2.5 to 25 mols. per cent of an octadecanediol, e.g. 1,10-, 1,12- and 1,18-octadecane-diols mixed with (2) a polymerizable ethylenic compound, e.g. styrene, vinyl acetate, methyl methacrylate, diallyl succinate or phthalate.  The composition may include fillers and is copolymerized using a catalyst, e.g. benzoyl peroxide, heat, or ultra-violet light.  In examples an alkyd resin prepared from diethylene glycol 1,12-octadecandiol and maleic anhydride by heating to an acid value of 30, is mixed with (1) styrene and a quinol inhibitor, and (11) styrene and diallyl succinate.  The products are polymerized with benzoyl peroxide to give cast rods or moulded products, or the composition of example (1) with a benzoyl peroxide catalyst may be used to roller-coat glass cloth which may be laminated, and cured by heat and pressure.  Specification 644,287 is referred to.
Patent GB-930156-A (GB)
Title: Improvements relating to pressure vessels
Inventor: HUGHES GRAEME
IPC: F17C1/16
Filed: 1961-03-13
Abstract: 930,156. Moulding pressure vessels. IMPERIAL CHEMICAL INDUSTRIES Ltd. Feb. 16, 1962 [March 13, 1961], No. 9177/61. Class 87(2). A method of making a pressure vessel of fibre-reinforced plastic material comprises first forming an inner shell 1 by winding on to a mandrel coated with a curable plastic e.g. epoxy-resin, at least two layers of filaments, e.g. of glass fibre, to form a double helical pattern, the winding angle being such, e.g. 88 degrees to the axis of rotation, that the cylinder so formed contributes substantially solely hoop strength to the pressure vessel when an integral part thereof. Domed end caps 2, having orifices 9, and moulded of glass cloth and epoxy-resin are bonded with resin one to each end of the cylinder 1. A metal endring 3 having a thickened rim 11 at one end and a flange 12 at the other is bonded centrally to each end cap. The whole structure is then cured and forms a hollow mandrel which may be rotated and upon which is wound at least two layers of filament to form a double helical pattern and at such a winding angle i.e. not greater than 55 degrees to the longitudinal axis of the mandrel, that the outer plastic layer 4 when an integral part of the pressure vessel contributes the remainder of its required strength, and impregnating the layers with curable resin and integrally uniting by curing the inner shell 1 and the outer plastic layer 4. Further, the inner surface of the pressure vessel and the end caps 2 may have linings 5, 6 of a resilient material, e.g. neoprene.
Patent GB-1451990-A (GB)
Title: Apparatus producing an electrical signal related to the concentration of a solution
IPC: G01N21/43
Filed: 1974-02-28
Abstract: 1451990 Refractometer SOC D'OPTIQUE PRECISION ELECTRONIQUE ET MECANIQUE 28 Feb 1974 [28 Feb 1973] 9185/74 Addition to 1308870 Heading GIA Apparatus in accordance with claim 1 of Specification 1308870, for detecting variations in refractive index of a solution as a measure of its concentration, includes a first differential amplifier whose output signal crosses zero when a proportion KP 1  of a first photo-cell output P 1  passes through equality with a second photo-cell output P 2 . Instead of the comparator and alarm circuit of the parent Specification, a differential amplifier 26 provides an output U S  according to the second curve of Fig. 2 representing a difference signal (KP 1 -P 2 ) which varies between negative and positive values over a small range of concentrations n 1 -n 2  on either side of a datum level no, but which can ambiguously take some of the same values when the concentration deviates outside this range. These ambiguous signals are suppressed in a second differential amplifier 35 by the action of a third differential amplifier 32 and a diode 34 arranged to bias the amplifier 35 to its limit whenever the signal P 2  falls below an adjustable value U o . The resultant output from the second differential amplifier 35 thus takes a monotonic form as illustrated in the third curve of Fig. 2. To render the apparatus less sensitive to variations in the source brightness, the reference signal U o  may be derived from the output of a third photo-cell 42 permanently viewing the bright zone.
Patent GB-440235-A (GB)
Title: Gyrating toy
IPC: A63H13/20
Filed: 1935-03-25
Abstract: 440,235. Spinning-toys. ARNOLD, C., 47, Deutschhernnstrasse, Nuremberg, Germany. March 25, 1935, No. 9225. [Class 132 (iii)] A spinning - toy operated by a pinion and spring-returned one-way driving rack mechanism comprises a rack - and - pinion mechanism a driving a shaft b on which are adjustably positioned plates d and g having bent-over ends c and h connected by chains composed of brightly painted sheet metal links i held together by wire links k. The chains pass through apertures m in plates n adjustably positioned on the shaft b by rubber discs l, a similar rubber disc f being fitted to the plate g. A sleeve o on the top of the shaft b carries a flat wire spiral p on which toy figures q are suspended.
Patent GB-720268-A (GB)
Title: Improvements in or relating to electric circuit arrangements for operating electric discharge lamps
IPC: H05B41/04
Filed: 1951-04-20
Abstract: 720,268. Supply systems for space-discharge apparatus. GENERAL ELECTRIC CO., Ltd., CATES, J., and JENKINS, H. G. April 18, 1952 [April 20, 1951], No. 9285/51. Class 38 (4). A circuit arrangement for ensuring starting of one or more series-connected low-pressure hotcathode electric-discharge lamps when subjected to low ambient temperatures or 2 reduced supply voltage comprises an electrodeheating transformer having a primary winding P connected directly to A.C. input terminals I1, I2 and two or more electrode-heating secondary windings S1 . . . S3 connected each to one of the lamp electrodes E1 . . . E4, the windings S1 and S2 being connected also to the input terminals S through a ballast inductance B, to apply the supply voltage across the electrodes, and comprises also one or more resistance-heated thermal switches having normally closed contacts T1, T2 connected between the secondary windings and heater resistance H1, H2 serially connected with the ballast inductance: hence, on starting, the electrodes are heated by the transformer, and furthermore a current flows through the inductance and the switch heaters and contacts until one of the switch contacts opens to generate a voltage pulse from the inductance to start the corresponding lamp, such contacts being held open during lamp running by the discharge current. The other lamps, if any, start after the first, the heating of their switch heaters being continued by the discharge current of the then running lamp. Where there are more than one lamp, each secondary winding additional to those supplying the end electrodes of the lamp series, supplies the two adjacent electrodes of a lamp pair, and there may be a separate switch for each lamp, as shown, or one for all the lamps. The overall ballast may be inductive or capacitive. The secondary windings may be in voltage aiding or opposition relative to the primary winding. In the Provisional Specification the thermal switches may alternatively be glow switches, and an earthed starting stripe may be provided. Specification 602,858 is referred to.
Patent GB-125403-A (GB)
Title: Apparatus for the Protection of Ships against Mines and the like.
Inventor: USBORNE CECIL VIVIAN
IPC: B63G9/04
Filed: 1916-07-03
Abstract: 125,403. Usborne, C. V. July 3, 1916. Sweeping mines. - Relates to water kites and towing-apparatus for protecting ships from moored mines and the like; the kites take up a position outwards and downwards in relation to the ship so that the mines or their mooring cables are engaged by the towing cables of the kites and deflected from the path of the ship, and are then slipped or the mooring cables cut. The kites are wooden or hollow metal bodies of wing-like form with a cambered back surface 1, Fig. 12, and with a front surface uniplanar, or composed of two or more curved or flat surfaces 2. The kites are weighted low down at 4<1> to give stability, and are provided with vertical top and bottom wings 29, and with vertical, horizontal, and inclined tail fins 15, 15<1>, 16. These may have adjustable rudders controlled automatically so as to maintain the bodies at a constant depth. The cable cutter is mounted in blocks 31 supported on the kite by stays 32 with a front guard 30 shaped to guide the mooring cable towards the cutter. The device for cutting the cables may however be omitted, in which case the towing-span of the kite deflects and then slips the mooring-cables of the mines. Each kite may also have trailing wires with or without other small kites attached. The kites are towed from a triangular outrigger 42, Fig. 19, or a sliding shoe 53, Fig. 21, or a link and sliding-shoe arrangement 55, 57, 58, Fig. 23, or other device at the bow of the ship, the point of attachment of the cable being below the keel. The outrigger or shoes &c. are manipulated by cables from the deck. The anchorage at each end of the towing- cables is shown in Fig. 15, and comprises a socket 25 fitted with an internally-coned metal cylinder 27 to take the expanded end of the cable. Rubber buffers 26 are interposed. The anchorage is tapered towards the towing-cable to enable the mine cables to slip past it readily.
Patent GB-1247186-A (GB)
Title: New reactive dyestuffs
Inventor: ECKERSLEY DENNIS
IPC: C09B62/04
Filed: 1968-02-27
Abstract: 1,247,186. Reactive dyes. IMPERIAL CHEMICAL INDUSTRIES Ltd. 17 Feb., 1969 [27 Feb., 1968], No. 9465/68. Heading C4P. [Also in Division C2] The invention comprises water-soluble dyes having at least one SO 3 H group and of formula wherein D is the residue of a coloured organic compound having the NR group attached to a carbon atom thereof, R represents a hydrogen atom or an alkyl or hydroxyalkyl group having up to 4 carbon atoms, A represents a pyrimidine or s-triazine nucleus containing as cellulosereactive substituent, a halogen atom or a sulphonic acid group, A 1  represents a radical containing a heterocyclic nucleus which bears a cellulose-reactive atom or group, each N represents a nitrogen atom, one of R 1  and R 2  represents an aryl or substituted aryl group and the other represents a hydrogen atom or an alkyl, aryl or substituted alkyl or aryl group, B represents a divalent bridging radical at least partially aliphatic in nature, wherein the terminal carbon atom linked to the aryl-substituted nitrogen atom where only one of R 1  and R 2  is aryl or substituted aryl, or each terminal carbon atom linked to the nitrogen atoms when both R 1  and R 2  are aryl or substituted aryl, is a carbon atom forming part of an alkylene group, and n is an integer. The dyes are prepared by successive condensation reactions and dyes of the azo, metallized azo, stilbene-azo, anthraquinone and phthalocyanine series are described. They are used to colour cellulose fibres by the usual reactive dye processes.
Patent GB-338838-A (GB)
Title: A device for correctly positioning and locking ships' davits in their inboard and outboard positions
IPC: B63B23/18
Filed: 1930-03-25
Abstract: 338,838. Holmborg, C. A. C. March 25, 1930. Davits.-A device for locking slewing davits in their inboard and outboard positions comprises an annular L-section rail 1 attached to the deck concentric with the davit post 2 and having slots 3, 4 cut in the upstanding edge guarded by gravity trips 7. The davit is provided at its base with a ratchet 6 which at the extreme positions of the davit over-rides the gravity catch the davit being then brought back to enable the ratchet to enter the slot in the rail.
Patent GB-575155-A (GB)
Title: Snap-action spring actuating means
IPC: H01H51/12
Filed: 1943-06-15
Abstract: 575,155. Snap-action switches. STILLWELL, W. E. June 15, 1943, No. 9531. Convention date, July 8, 1942. [Class 38 (v)] [Also in Group XXXII] A bowed spring or disc 10 is caused tc snap into its opposite position by the simultaneous inwarc movement of two plungers 16, 17. In the form shown the plungers are moved by the simultaneous energization of twc electromagnets 21, 22 and the disc 10 carries contacts 30 which are moved out of or intc engagement with fixed contacts 31. The spring disc 10 is of the kind in which the outer rim portion snaps over before the central portion. Because of this, the effective plunger 16 or 17 does not have to move so far as the plane containing the edge of the disc in order to snap the disc over and the inward position of the other plunger (17 or 16) does not prevent the snapping over. In a modification, Figs. 6-9 (not shown), the centre of the disc is connected to a lever which may operate a track switch in a toy train system and the outer end of each plunger is biased in an outward direction by a bowed disc which has only one position of equilibrium.