baber/WOPTO huggingface dataset:
Patent GB-186753-A (GB)
Title: Improvements in and relating to stoves for heating and cooking purposes
IPC: F24B1/182
Filed: 1921-07-27
Abstract: 186,753. Sobanska, (V. Stuart), Countess. July 27, 1921. Cooking-stoves; open fire-places; grates; boilers.-A domestic heating and cooking stove comprises a brazier-like grate, having an open front and sides, adapted to stand on the hearth in front of the ordinary fire-place opening and provided with ovens which may be attached to the sides and front of the grate. The stove shown comprises a rectangular grate a supported in front of the chimney-breast opening d by legs c resting on the hearth b, and having, an ash-pan k with doors k<1> beneath it. A hot-plate e covers the top of the grate, ,and, when an open fire is desired, may be slid back on runners into the flue f, the combustion products then passing below the canopy h into the flue. A damper i, preferably balanced, is provided beneath the hood. A boiler o, which may supply radiators, is arranged at the back of the grate, having horizontal flues n for the combustion products, a second high pressure boiler q being carried on brackets r in the grate,. The perforated sidest of the grate are provided with hinged covers. u which may be opened to the horizontal position or removed. Ovens v are when required attached by hooks or catches to the sides t of the grate and supported by the opened covers u, as shown in Fig. 1. An oven or hot closet w, having a hinged let-down door y faced with tiles to match the fire-place, is supported on runners in thechimney-breast opening. Specification 4298/15 is referred to.
Patent GB-1504891-A (GB)
Title: Purine nucleotides
IPC: C07H19/213
Filed: 1975-05-13
Abstract: 1504891 Purine nucleotides ICN PHARMACEUTICALS Inc 13 May 1975 [31 May 1974] 20140/75 Heading C2P The invention comprises compounds of formula wherein X is Cl, Br, SR or NR 1 R 2 ; Y is Cl, Br, OH, SR, NH 2  or NR 1 R 2 ; Z is H or NH 2 ; R is H, Ph, CH 2 Ph, C 1-4  alkyl or p-chlorophenyl; R 1  and R 2  are each H, CH 2 Ph or C 1-4  alkyl (at least one being other than H) or NR 1 R 2  is a 5- or 6-membered saturated heterocycle; and R<SP>1</SP> is H or C 1-18  acyl. Preparation (a) from inosine 3<SP>1</SP>,5<SP>1</SP>-cyclic phosphate (cIMP) or guanosine 3<SP>1</SP>,5<SP>1</SP>-cyclic (cGMP) or their 2<SP>1</SP>-acylates by introduction of halo (Cl or Br) into the 6- and 8-positions in separate or simultaneous stages, followed when required by replacement of said halo or other values of X and Y using appropriate nucleophilic reagents; (b) from 8-(Y-substituted)- adenosine 3<SP>1</SP>,5<SP>1</SP> - cyclic phosphates by N<SP>6</SP>- alkylation or benzylation. 21-O-acyl groups may be inserted or removed at any stage. Intermediates: (a) 8-bromo-cIMP 2<SP>1</SP>-(acetate or butyrate) Et 3 N salt; (b) 8-hydroxy-cIMP; (c) cGMP 2<SP>1</SP>-butyrate Na salt; (d) 8-bromo-cGMP 21- butyrate Et 2 N salt; (e) 8-bromo-cGMP; (f) 8 - (p - chlorophenylthio) - cGMP Na salt; (g) 8 - (p - chlrophenylthio) - cGMP 2<SP>1</SP>-acetate; (h) 8-(p-chlorophenylthio)-cIMP 2<SP>1</SP>-acetate. Compounds I are credited with phosphodiesterase inhibition, protein kinase activation, positive inotropic, adenyl cyclase inhibition, antiinflammatory and antihypertensive activities.
Patent GB-970009-A (GB)
Title: Improvements in and relating to sound reproducing apparatus
IPC: G11B3/00
Filed: 1963-01-18
Abstract: 970, 009. Gramophones; talking dolls. W. EISEN, [trading as H. EISEN, TROSSINGER METALLSTIMMENFABRIK]. Jan. 18, 1963 [Jan.19, 19621, No. 2356/63. Heading G5R. A gramophone comprises a rewindable driving spring and a rewind cord arranged to rewind the spring on being pulled, a stylus arm resiliently biased to move its stylus-carrying end across the turntable in a radial direction towards a starting position and to move the stylus end away from the turntable when the rewind cord is under tension, and resilient retainer means which bears on the stylus arm and on the rewind cord to hold the stylus in engagement with a record and to deflect the rewind cord from a straight course, the arrangement being such that tensioning the rewind cord removes the restraint of the resilient retainer means and allows the stylus to move axially away from the turntable and radially across the turntable to its starting position. In Fig. 1 the stylus arm 30 pivots about a stud 32 attached to a resilient retainer member 34 which extends between the sides of the casing 10 and normally presses the stylus into contact with a record 28. The rewind cord 24 passes through an eye in a bracket (not shown in Fig. 1) attached to member 34 so that tensioning the cord raises the centre of the resilient member 34 and tilts the stylus arm so that the stylus is no longer in contact with the record; a weak return spring 52 then returns the stylus arm to its starting position adjacent a fixed stop 68. A one-way clutch 29 may be provided between the winding drum and the turntable. The record may be provided with a number of grooves and the turntable may be arranged to make a non-integral number of turns from start to stop so that a different groove is engaged when the gramophone is restarted.  In an alternative construction, Figs. 4-9 (not shown), the stylus arm is flexible and is pivoted  to a fixed support so that the stylus is normally out of contact with the record but can be pressed into contact by a resilient member extending from an edge of the casing to the stylus arm. As before, the resilient member is raised by tensioning the rewind cord. In this construction a governor is provided to control the speed of the turntable. In a modification, Fig. 10 (not shown), the support pivot for the stylus arm is flexible and biased to maintain the stylus out of contact with the record. The fixed stop 68 of Fig. 1 may be replaced by an adjustable stop in the form of a cam so that the starting position can be altered and different grooves in the record engaged. The cam may be rotated by frictional engagement with the rewind cord or by a ratchet mechanism operated by the rewind cord. Alternatively or in addition the cam may be manually operated. The gramophone may be mounted in a doll or other toy.
Patent GB-205590-A (GB)
Title: Improvements in or relating to pumps or inflators
IPC: F04B33/00
Filed: 1922-07-26
Abstract: 205,590. Butler, G. H. C., and Reeves, A. July 26, 1922. Actuating-pumps by foot power; oscillating cylinder pumps.-In an oscillating pump comprising a cylinder and piston, one of which is displaced by a toggle disposed between and actuated by two pivoted levers, the toggle is connected to the movable element of the pumps by a stirrup coupled adjustably. The pump is mounted between the levers 1, 4, Fig. 1, the cylinder being pivotally connected with the lever 1 and the piston rod connected to the operating-toggle mechanism 5, 7 by the stirrup 10, Fig. 3, which has slotted arms engaging with the axis 5<a> of the toggle mechanism. When the lever 4 is depressed by the operator's foot, the stirrup moves over the outside of the cylinder and effects the working-stroke of the piston. The toggle mechanism forms a lazy-tongs which increases the movement of the piston for a given displacement of the lever 4.
Patent GB-422857-A (GB)
Title: Improvements in or relating to abrasive coated sheets
IPC: B24D11/00
Filed: 1933-07-19
Abstract: 422,857. Abrasive coated sheets. TENNANT, W. J., 111, Hatton Garden, London.-(Durex Corporation; 15, Exchange Place, Jersey City, New Jersey, U.S.A.) July 19, 1933, No. 20427. [Class 60] Abrasive-coated sheets, comprising paper or fabric having abrasive material secured thereto by an adhesive, is flexed by means of steel &c. balls 5 carried in a plate 2, 4 adjustably mounted on a plate 1 and pressing on the uncoated side of a sheet, which is passed over a rubber belt 6. The belt runs over pulleys 9, 10 and travels with the sheet, and the balls, which are mounted in rows, are placed so that the portions not flexed by one row are treated by subsequent rows ; the balls produce each a number of cracks at random, the cracks from an area treated by one ball intermingling with those of areas treated by other balls. In a modification, the balls, or small rollers, are mounted in a roll, the sheet passing between the roll and a companion rubber covered roll; by rotating the rubber covered roll at a speed different from that of the other roll, each ball will produce an elongated area of cracks. In order to produce a flexible marginal portion on a disc-shaped sheet, the sheet is mounted on a rotating rubber pad, balls carried by an arm pressing on or near the sheet edge ; the disc may be treated as described above on an annular band near the edge, the edge then being treated by a conical roller ; radial slits also may be formed at the edge of the disc.
Patent GB-272071-A (GB)
Title: Improvements relating to pipe joints
IPC: F16L19/028
Filed: 1926-08-19
Abstract: 272,071. Benton & Stone, Ltd., and Milner, C. E. Aug. 19, 1926. Tapered spigot-and-socket joints.-In a tapered spigot- and-socliet joint wherein the spigot b is formed integrally with one of the pipes a and the pipes are coupled by a nut f, a washer c, having the surface g in contact with the coupling nut of spherical or conical form, is interposed between a shoulder formed at the junction of the spigot b with the pipe a and said nut f. The other side d of the washer is flat.
Patent GB-733587-A (GB)
Title: Improvements relating to devices for fastening railway and like rails to sleepers
IPC: E01B9/10
Filed: 1953-07-23
Abstract: 733,587. Screw-sockets; wood-screws. DUSSELDORFER EISENHUTTENGES. July 23, 1953 [Aug 6, 1952]. No. 20508/53. Classes 89(1) and 89(2). [Also in Group XXII] Means for fastening permanentway rails to concrete sleepers, &c., comprises a wooden plug 2 embedded in the sleeper 1 and having a threaded bore 3 for a screw 5. The thread profile is curved so that the fibres of the plug are compressed and not cut, and the bore 3 is slightly smaller than the screw to ensure a tight fit. The threads may be reduced in depth and/or width towards the lower end of the bore, and the screw preferably tapers towards its free end.
Patent GB-845671-A (GB)
Title: Improvements relating to alternating current frequency converters
IPC: H02M5/00
Filed: 1957-06-28
Abstract: 845,671. Converting. HACKBRIDGE & HEWITTIC ELECTRIC CO. Ltd., and GLEN, J. June 10, 1958 [June 28, 1957], No. 20518/57. Class 38 (2). A frequency-changing arrangement for supplying current to the heating coil H of an induction furnace comprises a transformer T1 having a multiphase secondary system feeding a pair of grid-controlled rectifiers each of which has as many anodes as there are phases in the supply, corresponding anodes being connected in parallel and the cathodes being connected to an autotransformer T2 connected to the heating coil. The mid point of the transformer T2 is connected to the neutral point of the secondary winding system and the grids are controlled by voltages derived through a transformer T3 from a phase-displacement circuit C3, R3 across the transformer T2. In a modification (Fig. 2, not shown) the rectifiers each have six anodes supplied from a double star secondary winding system with an interphase reactor connecting the star points. In a further modification four rectifiers are utilized, the cathodes being connected to two primary windings of a H.F. transformer replacing the transformer T2. In starting, closure of contacts CC allows a previously charged capacitor C to discharge and to initiate oscillations.
Patent GB-478815-A (GB)
Title: Improvements in or relating to circuit arrangements for receiving television and thelike
IPC: H04N5/14
Filed: 1936-07-24
Abstract: 478,815. Valve amplifying circuits; television. GENERAL ELECTRIC CO., Ltd., ESPLEY, D. C., and EDWARDS, G. W. July 24, 1936, Nos. 20547/36 and 14524/37. [Classes 40 (iii) and 40 (v)] Relates to voltage amplifiers of the kind shown in Fig. 1 in which a high-impedance valve V has an impedance Zo in its cathode lead, and a plurality of independent output impedances Z 1 ... Zn in its anode lead; and consists in constructing each output impedance in the form kn/g + knZo, where g is the mutual conductance of the valve, and kn is the gain obtained by taking the output voltage across the impedance Zn, and is independent of frequency. The amplifier may be used in television for amplifying and separating mixed vision signals and synchronizing signals. In the case shown in Fig. 2, mixed signals E0 are applied between the terminals 1, 2, and the cathode impedance Zo comprises a biassing- resistance Ro shunted by a large condenser Co. The impedance Zo comprises a resistance R1 in series with a potentiometer-shunted high-tension source B, a shunt condenser C1 and a series resistance r1. The latter represents the term kn/g in the above formula, and the impedance R1, C1 represents the term knZo. The output impedance Z2 is similarly represented by the elements r2, C2, R2. The voltage E1 taken to the cathode-ray picturereproducing tube is k1 times the input voltage E0, whilst the voltage E2 applied to the synchronizing-signal separator 5 (of the kind described in Specification 464,946) is (k1+k2) times the input voltage E0. The Specification discusses the effect of accidental capacities having regard to the frequency range of the vision and synchronizing signals respectively. The effect of the biassing resistance R3 and its shunt capacity C3 may be approximately compensated by inserting an addition condenser-shunted resistance in series with the resistance r1. Specification 459,251 also is referred to.
Patent GB-137497-A (GB)
Title: Improved construction of album for receiving gramophone and like records
IPC: B65D85/57
Filed: 1919-08-21
Abstract: 137,497. Smith, F. W., and Larcher, E. J. Aug. 21, 1919. Albums for receiving gramophone and like records comprise a number of envelopes each formed from a folded sheet of material, one side A having a flap 4 at the bottom secured to the other side and a flap opposite the fold 3 secured to an intervening stiffening-flap 7 and to the other side. Apertures 2 for handling the records, apertures 1 for viewing the titles, and T-slots 8 for securing the envelopes to webbing cemented to the back of an enclosing cover are provided.
Patent GB-261462-A (GB)
Title: Improvements in or relating to transport vehicles
IPC: B60P3/04
Filed: 1925-08-17
Abstract: 261,462. Stewart, A. C. Aug. 17, 1925. Bodies; doors, cart.-A rail or road vehicle of the kind provided with one or more vertically movable platforms which can be raised by means of ropes or chains and secured in raised position with the load thereon, the rear of the vehicle being provided with a door or tail board adapted to form a gangway for use with live loads, comprises a wholly or partially enclosed skeleton rectangular metal framework having metal corner posts forming guides for one or more movable platforms, wire ropes or chains for suspending the platforms, winding mechanism, and a rear door or tailboard adapted to form a gangway. As shown, a platform 10 is guided by the four corner stanchions 5 and may be raised by cables 11 and winding drums 13. The sides of the vehicle are enclosed by a framing comprising lathes 8, which may be wholly or partially closed by wood battens. Each platform may be provided with a hinged or detachable tailboard and a main tailboard 18 is provided having folding or detachable sides 19, the tailboard also acting as a loading gangway. The framework and platforms are adapted to be fitted to existing vehicles. The top of the framework may be covered in with a canvas, metal, or wooden roof.
Patent GB-614280-A (GB)
Title: Improvements in or relating to liquid fuel burning heating and lighting apparatus
IPC: F24C5/04
Filed: 1946-07-10
Abstract: In the manufacture of a burner wick (see Group XI) a backing or support may be coated with a grip layer of refractory material containing 10 to 15 per cent asbestos and 1 per cent sand by weight mixed with an aqueous suspension of glass frit particles and then after drying in hot air coated with further layers each having a higher percentage of sand up to a final layer containing in the neighbourhood of 50 per cent asbestos and 10 per cent sand. The asbestos employed may be chrysotile or amosite which has been calcined for half an hour at 850 DEG  C. to 1000 DEG  C.  The composition of the grip mixture may be Frit 89 per cent, Chrysotile 10 per cent, Sand 1 per cent, and of a main coating mixture may be Frit 47 per cent, Chrysolite 50 per cent, Sand 3 per cent.  The composition of the glass frit in the grip layer may be different from that of the glass frit in the main layer (see Group XXIII).
Patent GB-481256-A (GB)
Title: Improvements in or relating to mercury cathode discharge tubes
IPC: H01J13/22
Filed: 1937-07-26
Abstract: 481,256. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. July 26, 1937, No. 20631. Convention date, July 28, 1936. [Class 39 (i)] A mercury-cathode discharge tube is provided with an anchoring body partly immersed in the mercury and a metallic protective ring for preventing passage of the cathode spot to the vessel wall, the anchoring body being secured to the vessel in such a way as to offer small resistance to heat transfer and the protective ring being mounted in such a manner as to offer a large resistance to the passage of heat. The anchoring ring 6 is mounted on the bottom of the cathode vessel 1, being partly immersed in mercury and provided with recesses 10 so that the mercury condensing on the vessel wall may flow back to the centre. The iron protective ring 7 is secured to the ring 6 with a small intermediate space by spot-welding at three points about the circumference so that a minimum metallic connection is obtained, or by comparatively long connecting pieces of metal or of insulating-material.
Patent GB-297919-A (GB)
Title: Improvements in and relating to reinforced cement or concrete floors for buildings
IPC: E04B5/40
Filed: 1927-08-05
Abstract: 297,919. Sorensen, H. Aug. 5, 1927. Reinforced-concrete floors. - Pairs of angled bars 1, 2, extending in two directions, are laid on temporary forms 8 and embedded in concrete which is applied over the whole surface to form main and transverse beams 1<a>, 2<a> within the floor thickness, and intermediate floor slabs 17. The bars may be formed by bending sheet metal to an acute angle, or may be tee bars; they are spaced and fixed by plates 7 and staples 13. The ends of the flanges are bent down into the walls 9 and main concrete girders 10, or around the flanges of main steel joists, and the ends of the transverse bars 2 are shaped to fit the sides of the bars 1. Additional bars may be added, as shown in Fig. 8, and be spaced by plates with parallel sides.
Patent GB-998609-A (GB)
Title: Improvements in or relating to trestles
Inventor: STONEMAN DAVID
IPC: E04G1/32
Filed: 1962-05-29
Abstract: 998,609. Trestles. E. B. C. & SLEEMAN Ltd. May 28, 1963 [May 29, 1962], No. 20703/62. Heading A4H. A member such as a tubular scaffold pole 1 is supported by a trestle support member 2 consisting of a leg 3 curved at its upper end and having a socket member 5 and a stop member 4 welded thereto, the lower end of the leg 3 being bifurcated by having a further leg 6 welded thereto In a modification, Fig. 4, a plank 9 is supported in a slot in the upper end of leg 10 and a stop member 11 is welded to the leg. In another modification, Fig. 6, a plank 15 is supported by a leg 16 bent at one end to be horizontal and having a tie member 17 welded thereto. The leg of the trestle support member may be telescopic to allow variation of height.
Patent GB-711972-A (GB)
Title: Variable speed power transmission mechanisms
IPC: B61C9/14
Filed: 1951-09-03
Abstract: 711,972. Variable-speed gear. HUNSLET ENGINE CO., Ltd., and ALCOCK, J. F. Aug. 11, 1952 [Sept. 3, 1951], No. 20716/51. Class 80 (2) The toothed change - speed gear b of a rail or road vehicle is connectable to the driving Diesel engine d in each ratio either through a fluid coupling or torque-converter e, or directly through a dog-clutch k Which by-passes also toothed gearing i j in the fluid drive-path. A friction clutch h is arranged directly in front of the change-. speed gear.
Patent GB-478966-A (GB)
Title: Manufacture of azo-dyestuffs
IPC: C09B43/06
Filed: 1936-07-27
Abstract: Azo dyes are made by after-treating the monoazo dyestuffs obtained by coupling diazotized aminodiphenylamine sulphonic acids and o-dihydroxybenzene or its derivatives with an oxidizing agent, particularly air, or converting them into metal compounds, particularly copper or chromium, with or without oxidation with air or another oxidizing agent.  They dye leather, e.g. chrome and vegetable tanned leather in havanna brown to olivetinged brown tones. In examples; (1) the azo dye 4<1>-nitro-4-aminodiphenylamine-2<1>-sulphonic acid --> 1 : 2-dihydroxybenzene is oxidized by air in sodium carbonate solution; hydrogen peroxide may also be used instead of air, (2) an alkaline solution of the initial dyestuff of (1) is treated with ammoniacal copper sulphate, (3) the dyestuff 4<1>-nitro-4-aminodiphenylamine-2<1>-sulphonic acid -->1 : 2: 3-trihydroxybenzene is oxidized with air as above and treated with a copper salt in alkaline solution or with a solution of a chromium salt, (4) the initial dyestuff of (3) is treated with ammoniacal copper sulphate.  Specifications 306,447, [Class 2 (iii)], and 385,471 are referred to.
Patent GB-795837-A (GB)
Title: Improvements in or relating to the manufacture of sectional heat-exchangers
IPC: B21D53/04
Filed: 1956-07-04
Abstract: 795,837. Making heat exchangers; cupping. BINDER, H. G. July 4, 1956, No. 20734/56. Addition to 631,223. Classes 83 (2) and 83 (4). The method of making sheet metal half-sections for heat-exchangers as described in the parent Specification is modified in that the end bosses are connected to headers and in that the end parts of two half-sections are formed in one stamping operation. Half-circular connecting bosses f are not directly connected together but are welded to top and bottom header tubes g having openings h for circulation of heating or cooling medium to the sections, Fig. 1. The end parts of two half-sections including end bosses are formed in one stamping operation using a die o with a blank holder p, Figs. 4 and 6. After the first stamping operation the sheet m is moved in the direction by a distance corresponding to the height of the radiator section, a further stamping operation then forming the other end of one section and a further end part of another section, the intermediate length of the section, if any, being stamped before or after as described in the parent Specification. The die o produces bosses and fluid channels of equal depth but if required, the depth of the bosses may be larger or smaller than that of the channels and may be bell-mouthed.
Patent GB-1343041-A (GB)
Title: Liquid loop garments
IPC: B63C11/04
Filed: 1971-04-19
Abstract: 1343041 Diver's heated suit SANDERS NUCLEAR CORP 19 April 1971 [11 Feb 1970] 20842/71 Heading B7U  A diver's suit 10 comprises two superimposed liquid impervious yieldable sheets 20, 21 sealed together along lines 22 to define adjacent liquid channels 23 which act to direct the flow of a heat transfer liquid passed into the suit. Selected seal lines such as 22a, 22b are discontinuous to form short circuit heat transfer liquid flow on flexure of the suit. Inlet manifold 30 and outlet manifold 31 are each interconnected with selected channels.