baber/WOPTO huggingface dataset:
Patent GB-685755-A (GB)
Title: Improvements relating to the manufacture of concrete blocks or the like
Inventor: WILSON JOHN MILLAR
IPC: B28B11/04
Filed: 1949-02-12
Abstract: To impart to concrete blocks a surface like natural stone or rock, granular material is deposited unevenly over the surface of the concrete, cement or the like while in the mould which forms the block and while it is still soft, whereby the weight of different thicknesses of granular material on the surface causes differing impressions or indentations therein, and, after the block is set, the non-adherent particles of the granular material are removed.  Fine crushed sandstone ("shiver sand") may be used for the granular material and thrown by hand, in a moist condition, on the soft concrete in the mould, when it tends to stick together in small lumps and so to be unevenly deposited. Sand left in the open in winter is sufficiently damp.  The sand may be dropped from a height, the greater the height the deeper the impressions.  The impressions may be deepened by smoothing the deposited sand, and/or by dashing over the surface with a brush.  After the block has hardened, surplus sand is blown or brushed off the surface.  In a modification, a wet mix of four parts ground granite to one part cement is laid on the surface of the soft concrete in the mould, forming a one-inch layer on to which fine, dry ground granite is thrown by hand.  The invention is applicable to hollow blocks as described in Specification 558,383.
Patent GB-397129-A (GB)
Title: Improvements in or relating to methods of making leather
IPC: C14C3/00
Filed: 1932-02-11
Abstract: 397,129. Tanning and dyeing. UNITED SHOE MACHINERY CORPORATION, 140, Federal Street, Boston, U.S.A.- (Assignees of Merritt, M. M. ; Middleton, Massachusetts, U.S.A.) Feb. 11, 1932, No. 4043. Convention date, Oct. 24, 1931. [Class 76.] Tanning or simultaneous tanning and dyeing is effected by treating the skins &.c. in a bath in which the treating materials are gradually dissolved as treatment proceeds. This is effected by placing the skins &c. in the usual salt solution in a drum together with tanning material contained in waxed paper bags, enclosed in outer fabric bags, with or without dyeing material. similarly enclosed. The paper bags are ruptured when drumming is commenced and the material slowly dissolves. In chrome tanning the usual reducing agent, e.g. sodium thiosulphate, may be introduced after preliminary treatment with tanning and dyeing agents. After tanning the skins may be slicked out in the manner set forth in Specification 377,224. When acid aniline dyes are employed a first tanning bath contains sodium bichromate and an acid and also the dye in separate bags, and the skins are then treated in a second bath comprising chromium oxide, Cr2O3, dissolved in hydrochloric acid, sodium thiosulphate being added finally as reducing agent. Skins to be tanned and dyed in the manner described are advantageously submitted to a second fleshing operation before being placed in the bath. Specification 20403/89, [Class 76, Leather], also is referred to.
Patent GB-327504-A (GB)
Title: Improved electric candle
IPC: F21S4/00
Filed: 1929-02-07
Abstract: 327,504. Harvey, C., (trading as Harvey & Co., C.). Feb. 7, 1929. Candles, imitation.-In electric candle lamps of the type in which the terminal block is removable from the upper end thereof, bayonet slots or screw threads are formed in the candle tube itself to receive bayonet or screwcapped lamps. A candle tube A of metal or synthetic resin is formed with projections C to support a terminal block D of ebonite, synthetic resin or porcelain and has an external thread E, or an extension tube screwed therein, for securing it to a sconce.
Patent GB-102307-A (GB)
Title: Improvements in Golf Clubs.
Inventor: MAN FREDERICK HENRY DUMAS
IPC: A63B53/04
Filed: 1916-03-20
Abstract: 102,307. Man, F. H. D. March 20, 1916. Drawings to Specification. Golf clubs.-Parts of the surfaces of golf-club heads are cut away and filled with enamel or like substances of various colours, in order to render the clubs easily distinguishable when in the caddie bag.
Patent GB-1379487-A (GB)
Title: Electrical fuse systems for projectiles
IPC: F42C13/04
Filed: 1972-01-28
Abstract: 1379487 Projectile fuzes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 28 Jan 1972 [2 Feb 1971] 4122/72 Heading F3A An electrical proximity and impact fuze for a projectile comprises an envelope 1, Fig. 1, rotatable from a safe position, in which the fuze cannot be charged up, to various positions corresponding to different proximity functions and/or impact actions. Selection is made possible by a plate 21 which rotates with the envelope 1 to bring selected contacts 22, 23, 23<SP>1</SP>, 25, 26, 27, 28, Fig. 4, into engagement with fixed contacts 24 and 29. The impact fuze 30 comprises separately chargeable condensors 37 and 38 which are arranged to discharge through a firing device 32 following actuation of a less, or more sensitive, impact contact 35 or 36. The contacts include a part which is thrown forward on impact. The proximity fuze 31 depends upon a Doppler signal generated by transmitted H.F. curves reflected back from the target. A thyristor is activated by the signal and causes a condensor 45 to discharge through igniter 32. A voltage divider 42, set in accordance with the angular position of the envelope 1, determines the strength of the Doppler signal required to activate the thyristor. The envelope 1, Fig. 1, rotates in a step-wise manner by virtue of projections 16 engaging underlying recesses. An 0-ring 11, compressed between surfaces 12 and 13 by a spring 5, hermetically seals the envelope, but is unloaded when the envelope is rotated. Upon firing a projectile fitted with the fuze, the envelope 1 is automatically locked in its selected position by a pin 18 Fig. 6 which sets back into a recess 59 and is held therein by an element 55 which moves, under the action of centrifugal force, to the position shown in broken lines.
Patent GB-176618-A (GB)
Title: An improved apparatus for use in the manufacture of iron dowels for uniting shafts, rods or the like
IPC: B21D28/28
Filed: 1921-02-04
Abstract: 176,618. Brittle, J. Feb. 4, 1921. Bolt-like pins.-Consists in means for cutting, simultaneously, two transverse slots 11, in a metal dowel 3 ueed for coupling shafts &c. The heated dowel 3 is placed in a curved seat in a lower die 1 and is pressed against a gauging-stop 4. It is held in place by a cover 7 provided with a groove to fit the dowel, the cover and lower die being perforated for the passage of the punches 10 which are secured by their conical ends in a plate 12. This plate 12 has a cylindrical boss 13 which is secured in a cylindrical recess in the press-head 9 by a screw 14.
Patent GB-949627-A (GB)
Title: Improvements in or relating to the protection of transmission lines
IPC: H02H3/30
Filed: 1961-02-03
Abstract: 949,627. Protective arrangements. SIEMENS & HALSKE A.G. Feb. 3, 1961 [Feb. 3, 1960], No. 4144/61. Heading H2K. In a protective arrangement, phase comparison between the currents at the ends of a protected line is effected by deriving at each end of the line rectangular pulses and short scanning pulses which bear a fixed relationship to the current at the associated end of line, transmitting from each end the rectangular or the scanning pulses to the other end and comparing their incidence with the untransmitted pulses at the other end. In the arrangement shown, the equipment at each end comprises an amplitude limiter B to which is applied an alternating voltage E dependent on the current or currents at that end of the line, a flip-flop stage K which squares the alternating voltage, and a monostable flip-flop stage KM1 which is triggered by each negative wave edge and for part of each alternate half-wave applies a rectangular pulse to a modulator M to modulate the oscillations produced by a generator G for transmission over a channel UK. The transmissions received from the other end pass through a filter F, an amplifier V, a rectifier Gr and a low-pass filter TP to a monostable flip-flop stage KM3. A monostable flip-flop stage KM2 is triggered by the positive wave edges of the stage K and applies pulses of very short duration to the stage. KM3. Under external fault conditions, these short pulses occur in the centre of the rectangular pulses received from the other end and the flip-flop stage KM3 is not operated. Under internal fault conditions, the short pulses are not coincident with the received rectangular pulses and the stage KM3 at each end responds to cause a relay RL to effect the opening of the power switch at the associated end.
Patent GB-309269-A (GB)
Title: Improvements in or relating to the recovery of copper from copper rich material
IPC: C22B3/00
Filed: 1928-02-10
Abstract: 309,269. Levy, S. I., and Gray, G. W. Feb. 10, 1928. Sulphur.-Pyrites is heated in absence of air and extracted with hydrachloric acid. The residue is roasted, the sulphur dioxide evolved being combined with the sulphuretted hydrogen obtained by the hydrochloric acid treatment to givepure sulphur.
Patent GB-578339-A (GB)
Title: An improved arrangement for feeding electric circuits from a continuous run of cable
IPC: H02G3/16
Filed: 1944-03-07
Abstract: 578,339. Distribution boards. HENLEY'S TELEGRAPH WORKS CO., Ltd., W. T., and PHILLIPS, E. A. March 7, 1944, No. 4256. [Class 38 (i)] Branch circuits are connected to a main cable comprising three-phase cores and a neutral core by pairs of fittings having offset cable sockets or connections, each fitting being capable of attachment to its support in four ways to provide four different positions of the cable sockets. The fittings may be mounted in a fuse distribution box shown in elevation and plan in Figs. 1 and 3 in which the fuses 8 are shown disposed at the sides of the four cores 7 of the main cable, only the rear pair of cores being shown in Fig. 1. Branch circuits can be taken off through three sides of the box as shown at 16, 18. The fittings by which connections are made to the cables 7 comprise metal plate portions 22, 54 carried by an insulator 35 and connected by a metal link 21. One end of the plate 22 is formed with a socket 29 which is offset from the plate as shown in Fig. 3 and is adapted to receive the end of one of the cores 7 as shown in Fig. 1. Each end of the plate 22 is tapped to receive a screw bolt 24 which holds in position either a socket 26 or a metal strip 27. The socket is for the reception of a branch cable 30, Fig. 1, the strip 27 being used when connection is to be made to the neutral core through a neutral terminal block 33. The plate 54 carries an offset socket 47 which is in alignment with the socket 29 and is attached to the core 7 corresponding to the core to which the socket 29 is secured. The plates 22, 54 can be reversed laterally and also be turned upside down to bring the sockets 29, 47 into any of the four positions shown by the circles 44 in Fig. 3. Each pair of fittings can thus be joined to any of the four cores 7. As shown in Fig. 3 the fuses 8 are carried on brackets 12 and the fusible elements of each pair are connected by a bar 9 to which is fixed a plate 32 to which one end of the cable 30 is secured. At the lower end of the casing on each side of the cores 7 is a neutral connector block 33, Fig. 1, provided with clamping screws 48 to which the neutral cables 52 for the branch circuits are secured.
Patent GB-976045-A (GB)
Title: Improvements in means for observing specimens contained in a fluid-tight chamber
Inventor: GUINARD ALBERT
IPC: G21F7/047
Filed: 1963-02-01
Abstract: 976,045. Glove boxes. COMMISSARIAT A L'ENERGIE ATOMIQUE. Feb. 1, 1963 [Feb. 2, 1962], No. 4295/63. Heading B4Q. [Also in Division G2] In order to observe radio active specimens contained in a main glove box 3 a specimen holder 13 mounted in a glove box 2 and sealingly connected to the main glove box through a flexible tube 4 has an optical window 10 adapted to be brought opposite, and moved relative to, the stage 5 of a microscope 6, means being provided to prevent impact between the objective 14 and the window 10. The specimen holder 13 is easily replaceable and has an abutment which supports the specimen A away from the window 10.
Patent GB-1529502-A (GB)
Title: Building frame and method for its erection
IPC: E04B1/35
Filed: 1976-02-04
Abstract: 1529502 Building framework PREFABBRICATI FRIGERI 4 Feb 1976 [7 Feb 1975] 04355/76 Headings E1K and E1W A building frame comprises a plurality of vertical columns 1, and horizontal beams 3 provided with apertures 4 to receive the columns, the beams being supported at preselected levels on the columns by pins or gudgeons 6 passing through perforations 5b, 5c, &c in the columns. The pin may be a length of I-beam reinforced with stirrups and cement mortar (Fig. 8 not shown). The beams have stepped longitudinal sides 8 the step running along each side to form supports for inversely stepped floor slabs 9.
Patent GB-158894-A (GB)
Title: Electric rotary converter with variable tension
IPC: H02K47/08
Filed: 1921-02-07
Abstract: 158,894. Bruyn, R. de. Feb. 5, 1920, [Convention date]. Rotary converters; commutating windings. - The voltage of a rotary converter is regulated by the combined adjustment of shunt and series field systems, one 90 behind the other, or, in a system employing a compounded exciter, by the combined adjustment of the converter field system and the series winding of the exciter. Fig. 1 shows a machine having two sets of field coils D1, C1 and D2, C2 and commutating auxiliary coils d, f. Regulation is obtained by the combined adjustment of resistances h1, g1 and h2, g2. Fig. 3 shows a modification in which the exciter has compound windings i, j which allow coils D1, C1 to be combined into coil F1, and D2, C2 into F2, regulation being effected by the combined adjustment of resistances k1, k2 and the shunt h, and the field being suppressed in the commutation zones by coils f, f1, f2. The Specification as open to inspection under Sect. 91 (3) (a) describes also a distributed stator winding, Fig. 4 (Cancelled), for the machine shown in Fig, 3, and also a squirrel-cage winding consisting of copper pieces p placed in slots in the stator to eliminate harmonics of the rotary field. This subject-matter does not appear in the Specification as accepted.
Patent GB-327236-A (GB)
Title: Improvements in or relating to electric wire attachments
IPC: H01R11/11
Filed: 1929-02-09
Abstract: 327,236. Francois, E. J. Feb. 9, 1929. Direct connections between conductors. - An electric terminal wire attachment comprises a. spade member 2, Figs. 1, 2, having a threaded spigot 1 provided with a longitudinal groove 4 and a pair of holes 6, 7. A sleeve 3 preferably of insulating material screws over the spigot 1 and holds the twisted strands of wire in the slot 4, which is so formed that no shearing force is exerted on the wine by the sleeve 3. Tensile strain may be taken off the wire by gripping the covering in the slot. Fig. 4 (not shown) gives a modification of the invention in which two slots and one hole are, used.
Patent GB-720363-A (GB)
Title: Tampons and the like and method of making
IPC: A61F13/20
Filed: 1951-02-23
Abstract: The fluid absorbing and retention qualities of a tampon are increased by impregnation with glycerine, glycol or polymer of ethylene glycol the concentration preferably being between 0.25 and 20 per cent. of the weight of the mass.  Specification 720,364 is referred to.
Patent GB-1089172-A (GB)
Title: Improvements in or relating to soldering irons having means for drawing molten solder and flux from a workpiece
Inventor: GRIFFIN DAVID
IPC: B23K1/018
Filed: 1965-02-02
Abstract: 1,089,172. Soldering. DAVID GRIFFIN Ltd. Jan. 19, 1966 [Feb. 2, 1965], No. 4488/65. Heading B3R. In a soldering iron having an orifice in or adjacent the soldering bit, a reservoir for solder and flux is disposed near the heatable part of the iron with an inlet communicating with the orifice and an outlet to a suction line and a filter arranged between the reservoir and suction line, the filter comprising a filter element having a large cross-sectional area relative to the suction line and held in an air-tight manner round its edges to prevent by-passing of the element. In an embodiment an iron has an electric element 1, Fig. 1, in a body portion 2 and a bit 4 screwed obliquely into the front of the body portion, the bit having a bore 6 communicating via a hollow screw 8 with a reservoir 5. A filter 9 comprising an annular element 10 of glass or silicon fibre in a cylindrical container 12 having a closed bottom and a cover 13 at its top is arranged about the screw 8 which secures it to the body. The reservoir is screwed to the exterior of the container 12. Annular grooves with holes drilled therein are provided in the top and bottom of the container and communicating with the upper groove is a passageway 21 connected to the suction air line. In a modification the passageway 7 opens directly into the reservoir and a disc-like filter element is provided at the outlet from the reservoir. In another modification the filter is disposed part-way along the passageway, being provided with its housing above the body with the reservoir below. In a final modification the reservoir is mounted separately from the body being in direct contact with the bit 4, Fig. 5. The filter is provided in the side wall of the reservoir.
Patent GB-400477-A (GB)
Title: Improvements in or relating to road paving and like blocks
IPC: C04B28/18
Filed: 1933-02-14
Abstract: Road paving and like blocks are made by moulding granular material containing lime and silica, producing a thin hard skin of calcium hydrosilicate on the blocks by application of steam pressure, drying the blocks, and impregnating them in vacuo with bitumen with or without pressure.  The blocks are preferably moulded by using a slowly increasing pressure from a hydraulic press which acts simultaneously from two or more sides of the block thereby increasing the degree of porosity for impregnation. Slaked lime is preferably used in the raw material.  The surface of the block prior to surface hardening may be treated with lime with or without highly reactive silica such as trass or glass meal.  The hardening is performed under increasing steam pressure which is reduced as soon as the formation of silicate begins. During hardening and drying, the blocks are stacked in chambers and separated by air gaps.  Specification 363,354 is referred to.
Patent GB-115403-A (GB)
Title: Improvements in or relating to Weighing Scales.
Inventor: WHITE ALFRED ERNEST
IPC: G01G21/00
Filed: 1918-03-14
Abstract: 115,403. White, A. E., (Toledo Scale Co.). March 14, 1918. Temperature variations, compensating for. -.Relates to temperature - compensation devices particularly applicable to spring balances. The goods scale and the spring &c. are connected to the opposite arms of a lever element, one or both of the arms of which are formed of bi-metallic parts composed of metals of unequal expansibility. In the arrangement shown, the goods scale is carried on a lever 5, one end of which is connected by a strap 22 to a segment 21 mounted on bearings 23' and fixed to a segment 19 connected to the counterbalance spring 17. One or both of the segments 19, 21 are formed of compound strips formed, for instance, of steel and brass which vary in curvature under changes of temperature.
Patent GB-470416-A (GB)
Title: Improvements in or relating to buttons
IPC: A44B1/28
Filed: 1936-02-14
Abstract: 470,416. Buttons. FURSTENBERG, F. Feb. 14, 1936, No. 4554. Convention date, Feb. 14, 1935. [Class 43] A composite button comprises two or more button layers, at least one of which is a fabric covered layer, fastened together by a looped member 7 extending through the rearmost layer or layers and terminating in an eye 9, the other end of the member 7 being connected to the uppermost button layer 4 as shown in Fig. 1 or provided with an ornamental head. Specifications 227,794 and 232,746, [both in Class 43], are referred to. In the Specification as open to inspection under Sect. 91, the button layers may also be secured together by sewing or sticking. This subject-matter does not appear in the Specification as accepted.
Patent GB-1036301-A (GB)
Title: Pump-hydrant apparatus for transfering liquids such as fuel, fuel oil, water and so on
IPC: F04D29/60
Filed: 1963-02-05
Abstract: 1,036,301. Portable liquid fuel pump. LUTHER-WERKE, LUTHER & JORDAN. Feb 5 1963 [March 13, 1962], No. 4609/63. Heading A4T. [Also in Division F1]  A pumping plant for liquid fuel comprises a portable supporting frame containing the pump and its driving motor and means for mechanical connection to other supporting frames and for liquid connection to the devices carried by these frames so that the fuel can be transferred between the constituent parts of the plant. In the arrangement shown, a supporting frame 1 welded up from steel tubing carries a pump 3, an I.C. engine 2 for driving the pump, a fuel tank 4 for the engine, a fire extinguisher 5 and a tool kit 6. Another frame 11 carries a device 16 for filtering the fuel being pumped and removing water from it, and a further frame 10 carries a hose reel 12 and a register 13. The frames are connected together by inserting spigots 9 on each frame into the ends of tubes forming parts of an adjacent frame, and held together by catches 14. Interconnecting hoses 18, 19 are connected by means of quick-release couplings. The pump inlet, which may include a coarse filter 8, is connected to the source of fuel. The fuel is delivered by way of the device 16, register 13 and a hose terminating in a dispensing pistol 15. If the device 16 is not required, the frame 11 is omitted, the frames 1 and 10 then being connected directly to one another. Carrying handles 7 are provided.
Patent GB-748123-A (GB)
Title: Improved method of and apparatus for the manufacture of steel
IPC: C21C1/00
Filed: 1952-02-22
Abstract: 748,123. Steel manufacture. GES. FUR HUTTENWERKSANLAGEN. Feb. 22, 1952 [Feb. 22, 1951; April 20, 1951], No. 4780/52. Class 72. [Also in Group XII] Molten iron containing at most 2À5 per cent C, not more than À06 per cent S, and the usual contents of Mn and Si is produced in a basiclined hot-blast cupola furnace and the liquid metal charged into an open-hearth furnace for refining into steel. Ores or metal oxides may be added to the charge to the cupola furnace which is operated by hot blast, enriched or not with O, or cold blast enriched with O, and which may have a fore-hearth in which the molten iron may be further desulphurised by alkalies and further decarbonised by gaseous O or other oxidic agents. This decarbonisation may also take place during tapping from the fore-hearth. Fig. 1 shows two cupola furnaces 1, 2 selectively fed by a common shoot 16, part or the whole of the waste gases passing through annular channels 3 provided with slide valves 7, 8, and dust separator 6 lined with refractory wearresistant material, to be wholly or partly burnt in a chamber 4, the combustion gases from which heat up a recuperator 5 having an air-supply blower 9. The heated air passes into annular conduits 12 connected to tuyeres 13 and spaced from the furnace jackets to allow water to be sprayed on, or to trickle down, the lower parts of the jackets. Molten iron from the top-hole 18, Fig. 4, runs into a fore-hearth 21, and it is then fed by a ladle 22 and channels 23 into an open-hearth furnace 19. The cupola furnaces may be erected outside the building 20 containing the open-hearth furnace.