baber/WOPTO huggingface dataset:
Patent GB-1336752-A (GB)
Title: Aircraft having auxiliary lift means
IPC: F16D69/04
Filed: 1971-05-03
Abstract: 1336752 Jet propulsion nozzles BERTIN & CIE 3 May 1971 [4 May 1970] 12755/71 Heading F1J [Also in Division B7] An aircraft has a system of lift-augmenting flaps 10 located at the trailing edge of a wing 3, and a flat fish-tail jet nozzle 7 having a series of elementary nozzles 8 spaced apart spanwise, Fig 3, and discharging into a rectangular shroud 9 which induces ambient air, the discharge being directed onto the flaps when in a lift-augmenting position, Fig 4 (not shown), and being elongated in a spanwise direction. The shroud has at its rear end a pair of pivotally-mounted flaps 13 for deflecting the discharge towards the flaps. The engine 1 is normally mounted in a pod 5 beneath the wing 3, but if it is mounted in the wing, Fig 7 (not shown), the nozzle has a swan neck shape and air can be drawn into the duct 9 from above as well as below the wing. The kind of nozzle described is stated to have favourable silencing properties, and the walls of the duct 9 may also be sound-insulating, consisting of solid outer walls (9a), Figs 9-11 (not shown) and perforate inner walls (9b), the space between them being filled with a sound insulant or left empty. The duct may be divided into compartments, with one nozzle element 8 in each, by sound-insulating partitions.
Patent GB-917654-A (GB)
Title: Liquid fuel containing a boron compound
IPC: C10L1/20
Filed: 1958-11-24
Abstract: Gasoline compositions contain up to 6 c.c. per U.S. gallon of tetraethyl lead, an ethylene dihalide scavenging agent and a boron compound of formula <FORM:0917654/III/1> prepared by reacting 2 moles of butane 1,3-diol with 2 moles of boric acid and removing 5 moles of water, in an amount sufficient to provide from 0,002 to 0,1% by weight of boron in the gasoline.  Specifications 917,651, 917,653 and 917,656 also are referred to.ALSO:An organic boron compound having the formula <FORM:0917654/IV (b)/1> is obtained by reacting 2 moles of butane-1,3-diol with 2 moles of boric acid with removal of 5 moles of water.  Alternatively 2 moles of the diol may be reacted with 1 mole of boric oxide.  An example is given.  Specifications 917,651, 917,653 and 917,656 also are referred to.
Patent GB-195879-A (GB)
Title: Improvements in electro-magnetic sound-boxes for phonographs and the like
IPC: G11B3/00
Filed: 1922-05-06
Abstract: 195,879. Telegraphie Ges. System Stille, and Stille, C. May 6, 1922. Electric and magnetic sound-boxes.-A soundbox in which the vibrations of a stylus produced by a record are converted into electrical energy comprises an iron disc 4 carrying on one side a box magnet 2 containing a coil 3, and at the other side a small diaphragm 6 to which the stylus-bar 7 is attached. An armature is mounted on the diaphragm 6 adjacent to the central pole of the magnet. A field winding. mav be provided for excitation of the magnet 2. Currents induced in the coil 3 by the vibrating of the armature pass through the primary coil 11 of a transformer, Fig. 2, the secondary coil 12 of which is in circuit with a condenser telephone. When a source of direct current is used in the receiving circuit, a choking coil 14 and condenser 15 are arranged as shown. A rectifier is provided when alternating current is employed.
Patent GB-183945-A (GB)
Title: Improvements in undercarriages of perambulators, children's mail carts, baby carriages, invalid carriages, rickshaws, and the like in full size or miniature
IPC: B62B9/18
Filed: 1922-02-06
Abstract: 183,945. Field, E. D. Feb. 6, 1922. Frame construction; springs, arrangement of; push-bars.-An undercarriage for a perambulator, invalid carriage, rickshaw, &c. comprises two parallel bars formed of continuous lengths of steel tubing which are, towards each end, cranked outwards to a greater width and then continued upwardly in parallel to conform substantially to the shape of the body, the extreme ends of the bars being formed as fulcra or short flaps, or provided with clips, to which springs or flexible connections may be fitted to connect the undercarriage to the sides of the body. The tubular members may be reinforced by solid metal insertions. As shown, the tubular bars A, bent as described above, are secured to the axles B and carry at their ends cee-springs D which are connected to the bars A by clips E. Handle-bars F may be formed integral with or connected to the bars A, the bars F being connected by a sleeve member G. The ends of the bars A may be bent over transversely to form projections for the attachment of springs, straps, or any other connections to the body.
Patent GB-1092663-A (GB)
Title: Improvements in deburring and countersinking tools
IPC: B25H3/00
Filed: 1965-03-26
Abstract: 1,092,663. Cutting tools. B. CAROSSINO. March 26, 1965 [March 28, 1964], No. 13007/65. Heading B3C. A deburring and countersinking tool comprises a body 1, having a cutting blade 4 secured in a slot 3 in the body, and a cap 2 slidable on the body and having a slot 15 through which the blade 4 projects, when the tool is being operated. Blade 4 is secured by screws 5, 6 and 7, and screw 7 projects in a slot 8 in cap 2 to act as a stop for the latter. The cap is urged downwardly by a spring 13 so that screw 7 engages the end 8<SP>1</SP> of the slot, and the blade does not project beyond the periphery of cap 2 when in this non-operative position. Blade 4 may be brazed to body 1.
Patent GB-387652-A (GB)
Title: Improved manufacture of refractory articles
IPC: C04B33/13
Filed: 1931-05-02
Abstract: Refractory granular material, e.g. mullite, diaspore, alumina, is made plastic by adding phosphoric acid to the batch to form in situ a thin colloidal film of an insoluble phosphate around each grain.  The phosphoric acid may be about 2 per cent by weight of the batch.  In an example, 15 per cent of the usual water (about 12-20 per cent of the batch) is replaced by commercial phosphoric acid.
Patent GB-768980-A (GB)
Title: Rubber chafer and method of making same
IPC: D02G3/40
Filed: 1955-05-05
Abstract: 768,980. Pneumatic tyres. GOODYEAR TIRE & RUBBER CO. May 5, 1955 [Oct. 22, 1954], No. 13042/55. Classes 144 (1) and 144 (2). The bead 12 of a tubeless tyre is protected by a chafer strip 19 which, before curing of the tyre, comprises a strip 23 of at least partially cured rubber coated on both surfaces with a layer 25 of unvulcanized rubber. As shown, the chafer strip is wrapped around the bead, before the application of the sidewall stock 11, to overlap the inner lining 22 of the tyre. During cure the cured or partially cured strip 23 holds the chafer in position whilst the unvulcanized layers 25 are bonded thereto, and the sidewall stock flows thereover, to form a substantial rubber covering around the bead. To increase the initial bond between the strip 23 and the layers 25, the strip 23 is formed with'spaced indentations 24 on each surface, and the layers 25 are extended beyond the longitudinal edges 26 of the strip 23 and lapped together. To form the chafer strips, unvulcanized rubber is calendered into a sheet 23 between rolls 27 and wound with a tensioned liner 28 of tightly cross-woven nylon cords into a roll 32 so that the sheet 23 is compressed between windings of the liner 28. The roll 32 is then subjected to curing temperature in a heater 33, causing the nylon liner to shrink and imprint both surfaces of the sheet 23. With the liner 28 stripped for re-use into a roll 34, the indented sheet 23 is slit longitudinally into strips by knives 35 and the resultant strips spaced by spreaders 36 and fed between rolls 37 which coat the surfaces of the strips with gum rubber layers 25 which are lap jointed beyond the side edges of each strip. The strips are subsequently cut to length by knives 39.
Patent GB-528907-A (GB)
Title: Improvements in or relating to the manufacture of metal mosaics
IPC: B44C3/12
Filed: 1939-05-02
Abstract: 528,907. Metal mosaics. STEVENS, A. H. (Handy & Harman). May 2, 1939, No. 13092. [Class 20 (iv)] [Also in Groups XV and XXII] Metal mosaics, particularly for ornamental objects such as jewellery, are formed by assembling a plurality of small metallic bodies, some or all of which are constituted by partially sintered powdered metal, metals, or alloys, and uniting them by heating the assembly with or without simultaneous or subsequent pressure. As applied to the production of a mosaic of silver and copper bodies, powdered silver and powdered copper are placed in separate moulds and partially sintered by the simultaneous application of heat and pressure below those requisite to complete sintering, so as to form blocks which can easily be formed into pieces by sawing, filing, cutting or abrading. These blocks are then separated into pieces of the desired size-and shape which are assembled to form the mosaic pattern; the assembly is placed in a mould and subjected to the simultaneous application of heat and pressure, the temperature and pressure, preferably, being higher than the temperature and pressure employed in the partial sintering process. If desired, the partial sintering process may be varied by first compressing the powdered metal, without heat, and thereafter heating the block with or without pressure. Instead of hot-pressing the assembled mosaic pieces, these may be heated without pressure to a temperature sufficient to consolidate the pieces, or the pieces may be first heated and afterwards pressed. The mosaic may be provided with a backing which may be a cast and rolled metal or alloy, or a sintered metal; in either case, the mosaic pieces are arranged on the backing-plate and the whole assembly is then placed in a mould and subjected to heat, with or without pressure. If desired, the mosaic may comprise cast and rolled metal pieces as well as the partially sintered metal bodies.
Patent GB-600323-A (GB)
Title: Improvements in or relating to animal traps
IPC: A01M23/30
Filed: 1945-05-25
Abstract: 600,323. Animal traps. CARPENTER, W. M., and CRAWFORD, J. H. May 25, 1945, No. 13108. [Class 5(i)] In an animal trap of the break-back type the base 10 has flanges 11 providing a raised platform 19 with a space beneath. The break-back 12 is retained in its set position by a hooked lug 17 extending upwardly from a lever 18 which acts as a releasing means, pivoted at a point below the hooked lug 17. The spring loading of the break-back does not tend to cause release from the lug. The lever extends below the base and projects through the base where it is secured to the centre of the bait platform 22.
Patent GB-131654-A (GB)
IPC: B64B1/00
Abstract: 131,654. Flower, S. A., and Butt, E. E. W. July 10, 1918. Aerostats; tanks, arrangement of; cars.- Walking ways. or other similar girder structures are suspended from the main framing of air-ships by catenary suspension cables. The girders may be used for storing petrol or other tanks, bombs, etc.; or petrol tanks connected together by articulated joints may support a walking way and be suspended in the same manner. Fig. 1 shows a walking way E provided on a girder F which is suspended by cables D from catenary cables A hung from the central boom C of the air-shipframing. Petrol tanks G are arranged as shown. Lateral catenary cables may be connected at their ends to the peripheries of transverse members B of the framing, and at intermediate points by sub-- sidiary cables to opposite sides of the girder. Fig. 4 shows a girder F<1> carrying main petrol tanks G' and reserve tanks G<2> detachably mounted under the walking way and adapted to be rolled overboard when desired. Bombs may be carried instead of the tanks G<2>. Steering, balancing, and regulating altitude.- The tanks G<2> may contain water ballast arranged to be discharged without releasing the tanks.
Patent GB-262331-A (GB)
Title: Improvements in high-legged boots
IPC: A43B3/02
Filed: 1926-05-25
Abstract: 262,331. Branch & Sons, Ltd., J., and Branch, S. May 25, 1926. Top boots. - In highlegged or " Russian " boots, the leg parts are formed of extensible or elastic material b, such as stockinette, so as to allow the foot to enter and thereafter fit closely to the leg. The leg portion may be formed in one or more parts and may be of any suitable colour and waterproofed, when formed in more than one part, these are connected by strips of leather e. An elastic band, or a strap c and buckle d may be provided at the top of the boot. Stiffening strips of whalebone &c. covered with leather may be provided in the leg portion.
Patent GB-132118-A (GB)
IPC: H03F3/02
Abstract: 132,118. Latour, M. Nov. 30, 1916, [Convention date]. Wireless telephony.-In a radio-telephonic transmitting-apparatus, the microphone current is amplified bv one or more three-electrode vacuum tubes which are also utilized for generating the high-frequency carrier oscillations. As shown in Fig. 1, the grid circuit of the tube 1 is coupled to an oscillatory circuit 17 in the plate circuit of the tube. The microphonic voltage is applied in the grid circuit through a transformer 7, the secondary of which is shunted by a condenser 19. An amplified microphonic voltage is produced across an inductance 18 placed in series in the plate circuit and shunted by a condenser 20 to allow the high-frequency current to pass. The amplified microphonic voltage varies the amplitude of the oscillations produced by the tube. In a modification shown in Fig. 2, the primary coils of the high and low frequency transformers 7, 16 are placed in parallel, instead of in series, in the grid circuit. In the plate circuit, the secondary of the high-frequency transformer 16 is in parallel with the iron-cored inductance 18. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a wireless transmitting-apparatus shown in Fig. 1 (Cancelled), in which the microphone voltage is amplified by two vacuum-tube amplifiers 1, 2 in cascade, and is then transferred through a two-coil transformer 11, or through an auto-transformer to the plate circuit of an oscillation generator comprising two tubes 3, 4 in parallel. The plate and grid circuits of the generator are coupled by the coils 12, 13, a third coil 14 in the aerial circuit being also coupled to these coils. The coils 12, 13, 14 may enclose an iron core. A small capacity (not shown) shunts the secondary coil of the transformer 11. The plate circuits of all the tubes include the common battery 6. The filaments may all be heated by a single battery 5, or the microphone battery 9 or part, of the plate-circuit battery 6 may be utilized for heating the filaments. This subject-matter does not appear in the Specification as accepted. Reference has been directed by the Comptroller to Specification 141,047.
Patent GB-641520-A (GB)
Title: Improvements in recovery of chlorobenzene
IPC: C07C17/00
Filed: 1948-05-14
Abstract: Chlorobenzene is obtained from an alkali metal salt of p-chlorobenzene-sulphonic acid by continuously boiling a mixture comprising an alkali metal salt of p-chlorobenzenesulphonic acid, sulphuric acid and water at a temperature below 240 DEG  C., continuously removing vapours of water and chlorobenzene distilling from the boiling mixture, adding to said mixture during boiling an alkali metal salt of p-chlorobenzenesulphonic acid, adding sulphuric acid and water to the mixture in amount sufficient to maintain the boiling point of the mixture below 240 DEG  C., the amount of sulphuric acid added being such that there forms below said mixture an inorganic layer comprising alkali metal acid sulphate, sulphuric acid and water, and withdrawing the aqueous inorganic layer so formed at a rate equal to that at which it is formed.  The amount of sulphuric acid added is preferably such that the aqueous inorganic layer comprises 68-72 per cent of sodium acid sulphate, 23-27 per cent of sulphuric acid and 4-6 per cent of water.  The alkali metal salt of p-chlorobenzenesulphonic acid used may be the crude product obtained as a by-product during the manufacture of 2,2-bis-(p-chlorophenyl)-1,1,1-trichloroethane.  Specification 641,041 is referred to.
Patent GB-366376-A (GB)
Title: Improvements in and relating to bust supports
IPC: A41F1/00
Filed: 1931-05-05
Abstract: 366,376. BrassiÞres. KEMP, V. F., 99, Sherwood Park Road, Streatham Vale, London. May 5, 1931, No. 13242. [Class 141.] Relates to brassiÞres of the type in which two overlapping triangular supports a, b are joined together with their bases in line, in which shoulder straps o, p are attached to the apex of each triangular part and to its outer angle i, and in which attachment straps f, g are also attached at each angle i, and consists in coupling the attachment straps together, as by a ring or rings s, so that the attachment straps are relatively movable. Each strap after passing through a ring s is attached to the inner angle of the opposite support. The ring s may be attached by a strip x to a lower garment, the strip being provided with a number of buttonholes for adjustment purposes. In addition to the ring s, the straps f, g may also pass through additional rings one on each side, which latter rings are attached to a lower garment by straps or tabs similar to the strap s.
Patent GB-219125-A (GB)
Title: Improvements in or relating to means for protecting electric current networks
IPC: H02H7/30
Filed: 1923-05-17
Abstract: 219,125. Pollak, J. E., (Hengelosche Electrische en Mechanische Apparaten Fabriek)- May 17, 1923. Protective systems.-To cut out any defective portion of a network, a timing-device is provided common to all the portions, adapted to be set in motion on the occurrence of a fault and then selectively to cause the cutting out of the faulty section. If, for instance, the. relay 2 is operated, the motor 11 is started, turning the drum 16 till the appropriate contact is made, in this case at 18, and the proper coil 13 is energized to cut out the faulty section. The motor may be braked by a variable resistance, or by direct and alternating current electromagnetic brakes, which will allow the elapsed time to be adjusted. Current to cause the operation of the timing device may be taken from the network instead of from the direct current source 10 shown.
Patent GB-114574-A (GB)
Title: An Improvement in Pictures.
Inventor: WRIGHT ALFRED CECIL
IPC: B44D3/18
Filed: 1917-09-17
Abstract: 114,574. Wright, A. C. Sept. 17, 1917. Surfaces for drawing and painting upon. - Pictures are drawn or painted on paper having an open gauze or fabric mounted on or embedded in its sketching-surface.
Patent GB-1422803-A (GB)
Title: Microstrip filter
IPC: H01P1/203
Filed: 1973-03-20
Abstract: 1422803 Microstrip filters INTERNATIONAL STANDARD ELECTRIC CORP 20 March 1973 [20 March 1972] 13371/73 Heading H1W A microstrip filter comprises a number of half-wavelength U-shaped (Fig. 3) strip resonators arranged seriatim on a dielectric substrate 11 with side limbs parallel and adjacent resonators oppositely orientated, the first and last (input and output) resonators having the configuration shown in Fig. 4 with the narrow limbs lying close and parallel to input and output strip conductors (not shown) also disposed on the substrate, the resonators being enclosed in a metallic shielding box 25, 26, 27. For the intermediate resonators (Fig. 3), w = d = h, where h is the thickness of the substrate 11. For the input and output resonators (Fig. 4), d 1  > d and w 1  < w. An input or output strip conductor (not shown) of width w 1  lying adjacent and parallel to limb 13a is connected to the inner conductor of a co-axial input or output socket. The metallic members 25, 26, 27 form an enclosure of non- critical dimensions which is completed by the ground-plane member 10. The latter is spaced from the substrate 11 by a conductive spacing member 30 which originally formed the testing jig employed to tune the resonators.
Patent GB-623553-A (GB)
Title: An improved device for braking the weft in shuttles of weaving looms
IPC: D03J5/24
Filed: 1946-05-02
Abstract: 623,553. Tensioning weft in shuttles. DIEDERICHS, FILS DE G. May 2, 1946, No. 13384. Convention date, April 7, 1939. [Class 142 (iii)] The weft passes between pads g, h of which the upper one is carried by a spring-loaded plate i resting on a stop k, and the lower one is carried by a plate r pivoted at s and resting on an adjusting screw n. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 623,554. This subject-matter does not appear in the Specification as accepted.
Patent GB-134059-A (GB)
IPC: F24C3/04
Abstract: 134,059. Lewis, G. M., Marsh, R. G., and Rogers, R.. J. Nov. 8, 1918. Gas fires. - An air-heating chamber a<1> is adapted to a gas-fire of the kind comprising a number of vertical hollow fuel radiants, which are separated from the air-heating chamber only by an iron plate b, the usual refractory slab being omitted. The plate b is ribbed, back and front, and its upper part is cranked backwards so as to receive a fire-brick g. The air enters the heating- chamber through apertures k in the fret j and through an aperture in the plate or rib c beneath the plate b, and, after being heated, leaves the stove by the outlet m, the upper rim of which overhangs the lower rim. The apertures k, m may have regulators. The back-plate h of the air chamber may be lagged.
Patent GB-134965-A (GB)
IPC: A01D19/06
Abstract: 134,965. Carson, W. Nov. 22, 1918. Potato diggers and harvesters; crops, root, topping-machines for.-A potato-harvesting machine comprises a wheel-supported frame carrying, by means of brackets a<1>, a<2>, a share a which is extended backwards to form a curved platform a<3>, above which spades c mounted on a shaft b rotate. The platform is provided at the rear with a raised edge a<4>. An elevator d<1>, which may be adjustable in length, is secured to the platform a<3> and is driven from the shaft b to carry the potatoes, which are thrown on to it by the spades c, to a cart or other receptacle, or to leave them in a row at the side of the dug portion of the ground. The elevator comprises slats or rods d<6> carried by chains d<5>, extra slats about one inch above the normal slats being provided at every fourth slat. The side frames of the elevator may be formed of three telescoping tubes, so that the length of the elevator may be varied. A knife m secured to a rod n cuts away the weeds and stalks in front of the share. Rods p<1> ensure that the cut material shall pass clear of the drill.