baber/WOPTO huggingface dataset:
Patent GB-551205-A (GB)
Title: Improvements in and relating to the manufacture of sulphonamido compounds
IPC: C07C311/64
Filed: 1941-04-29
Abstract: 551,205. Aryl sulphenamides and sulphonamides. MANCHESTER OXIDE CO., Ltd., BANN, B., KRUB, P., WHEELER, D. E., TAYLOR, W., and GLADDING, G. April 29, 1941, Nos. 7282/42 and 7283/42 [both divided out of 553,269] [Class 2 (iii)] )] Benzenesulphonamidoguanidines and p-substituted derivatives thereof are prepared by the oxidation of the corresponding sulphenamides, e.g. with alkali or alkaline earth metal permanganate or hypochlorite. The sulphenamides may be obtained by treating a diphenyldisulphide with chlorine in a non-aqueous medium and reacting the resulting sulphenyl chloride with guanidine or a substituted guanidine such as phenylguanidine ; the diphenyldisulphides may be prepared by heating with caustic alkali a thiocyanobenzene obtainable as described in Specifications 513,473 and 514,203. The sulphenamides may also be prepared by reacting a benzenesulphenyl ester with a guanidine. The substituent in the p-position is preferably a halogen atom or a nitrogencontaining group convertible into an amino group, e.g. an acylamino or nitro group, and the products may be converted into the amino compounds which are useful therapeutically. According to the examples, (1) benzenesulphenyl chloride, prepared by chlorinating diphenyldisulphide in chloroform, is reacted with guanidine nitrate in the presence of sodium ethoxide, and the resulting benzenesulphenylguanidine oxidised with aqueous potassium permanganate to benzenesulphonylguanidine ; (2) p-nitrobenzenesulphonylguanidine is prepared by chlorinating 4:4<SP>1</SP>-dinitrodiphenyldisulphide in chloroform, converting the resulting p-nitrobenzenesulphenyl chloride into p-nitrobenzenesulphenic acid ethyl ester by treatment with sodium ethoxide, heating it with guanidine nitrate in the presence of sodium ethoxide and oxidising the p-nitrobenzenesulphenylguanidine so formed with potassium permanganate ; (3) p-aminobenzenesulphonylguanidine is obtained by treating p-nitrobenzenesulphenyl chloride with guanidine nitrate in presence of sodium ethoxide, oxidising the p-nitrobenzenesulphenylguanidine with aqueous potassium permanganate and reducing with ferrous hydroxide ; calcium permanganate solution may alternatively be used ; (4)p-aminobenzenesulphonylguanidine is also obtained by chlorinating 4:41-diacetyl-' diaminodiphenyldisulphide in chloroform, reacting the p-acetylaminobenzenesulphenyl chloride with guanidine nitrate, oxidising the sulphenylguanidine with potassium permanganate and hydrolysing the product; (5) pchlorobenzenesulphonylguanidine is prepared by chlorinating 4:4<SP>1</SP>-dichlorodiphenyldisulphide, treating the p-chlorobenzenesulphenyl chloride with guanidine nitrate and oxidising the product with sodium hypochlorite solution ; the p-chloro group may be converted into amino by treatment with ammonia. Specification 379,683 also is referred to. The first Provisional Specification refers to the production of the naphthyl compounds.
Patent GB-903599-A (GB)
Title: Improvements in or relating to fastenings
IPC: B65D63/10
Filed: 1960-03-01
Abstract: 903,599. Strap fastenings. MOSS Ltd., ROBERT, and MOSS, R. R. Jan. 19, 1961 [March 1, 1960; March 8, 1960], Nos. 7282/60 and 8225/60. Class 44. [Also in Group XVII] A fastening comprises a strap made of a rubber-like material with an eye 13 adjacent one end and is formed along its length with a series of projections 14, the eye and the projections being formed to allow the other, free end of the strap with the projections to be drawn through the eye from one side thereof for tightening of a closure loop but permanently to prevent return movement of the strap through the eye due to at least one of the projections taking up solely against a surface of the strap at the other side of the eye, and wherefor the strap is expandable and adapted to be cut to release the loop. The fastening also has a ring through which the free end can be drawn, this being formed with a recess 12 of dovetail shape and the width of the recess at its mouth is slightly less than the width of the strap between the base of the projections 14. The depth of the recess is equal to the thickness of the strap so that the free end of the strap can be forced into the recess so that it is held against withdrawal through the ring until it is pulled out of the recess.
Patent GB-426196-A (GB)
Title: Improvements in and relating to fabric measuring machines
IPC: G01B5/04
Filed: 1933-09-25
Abstract: 426,196. Measuring fabrics &c. HOUGHTON - BUTCHER MANUFACTURING CO., Ltd., Fulbourne Road, Walthamstow, London, DENNISS, A. J., The Langdales, Connaught Avenue, and BROWN, H. J., 60, King's Head Hill, both in Chingford, Essex. Sept. 25, 1933, No. 7291/35. Divided out of 426,131. [Class 42 (ii)] In a measuring machine in which the indicators are returned to zero by the shortest possible route, such as is described in Specifications 387,358, 396,777, and 396,812, the fractions indicators are zeroized by a heart-shaped cam 121 on the indicator shaft and a lever 119 pulled by a light spring 123. To prevent the inertia of the indicators carrying them beyond the zero position the lever 119 is locked by a spring catch 125 directly the zero is reached. This catch is put out of action when a new measurement is to be made by a tongue 117 linked to the shaft 56 of the presser-roll carrier.
Patent GB-1093335-A (GB)
Title: Improvements in or relating to flushing sanitary closets
IPC: E03D5/016
Filed: 1966-02-18
Abstract: 1,093,335. Sanitary closets; flushing. MONOGRAM INDUSTRIES Inc. Feb. 18, 1966 [March 10, 1965], No. 7315/66. Heading E1C. A self-contained flushing sanitary closet comprises a pump 14 to pump liquid from a tank 12 through a filter basket 80 to a bowl 10 and back to the tank 12, and a motor 38 driving the pump 14 and rotating the basket 80, which is formed with an integral internal gear 78 engaging a pinion 76 driven by the motor 38 to do so. The basket 80 has grooves 80B forming flange surfaces to bear and ride, as it rotates, against wiper elements 84 which scrape the rotating basket 80 by means of teeth 84A entering the grooves 80B. The motor 38 has an output shaft 38A coupled through first and second meshing gears 58, 60 in an oil chamber 64 to a transmission shaft 62 rotating the basket 80. An outlet opening in a tank wall is coupled to an outlet pipe 102, a conduit therebetween comprising first sealing means 116 and second sealing means 104, 140 and the housing 110 of a gate valve 100. The housing 110 has a plate 118 with an annular raised bead in it registering with the sealing means 116-a ring. The sealing means 104, 140 comprises a flange 104, secured at 106 to the pipe 102, and a ring 140 between the flange 104 and the housing 110, which is between the tank 12 and a bracket 148, which is over the sealing ring 140. An aperture 24 in the pump casing has an outlet nipple 26 for fitting into one end of a hose 28 fitted over a nipple 30 on the bowl. The motor 38 is in a housing 36 and also a time delay switch 40 therefore operated by a push button 54.
Patent GB-397942-A (GB)
Title: An improved spring suspension for vehicle wheels
IPC: B62B1/18
Filed: 1932-03-11
Abstract: 397,942. Vehicle suspensions. ADAMS, R. E., Woodville, Wellington Road, Hatch End, and ADAMS BROS. & BURNLEY, Ltd., Elmgrove Road, Harrow, both in Middlesex. March 11, 1932, No. 7346. [Classes 108 (i) and 108 (ii).] In vehicles, particularly wheelbarrows, trucks and handcarts, in which the wheel axle is carried at one end of a substantially arcuate lever articulated intermediate its ends on the vehicle frame, the other end of the lever being connected to the frame by a tension spring or springs, stops means are provided on the lever member to coact with the frame in limiting the movements of the lever member relatively thereto. In one form, a wheelbarrow-wheel 4 is mounted on the ends of a pair of levers 7 pivoted to the bent strip frame 2 of a wheelbarrow. Lugs 10, 11 are formed on the levers to limit their movement. The wheel is preferably mounted on ball bearings and compression springs may be used in conjunction with the tension springs.
Patent GB-894290-A (GB)
Title: Improvements in or relating to cover plates for vehicle wheels
IPC: B60B7/02
Filed: 1960-03-02
Abstract: 894,290. Wheel cover discs. WARD, K. F. Feb. 9, 1961 [March 2, 1960], No. 7347/60. Addition to 854,833. Class 144(1). The wheel cover disc 10 of the parent Specification is modified in that the peripheral retaining flange 14 carrying the securing clips 16 is integral with the disc 10. As shown, the disc 10 may be spun from aluminium and may have a central boss 12 to locate a separate coloured decorative cap 13.
Patent GB-1063945-A (GB)
Title: Improvements in or relating to liquid jet reaction propulsion units
IPC: B63H11/117
Filed: 1965-02-22
Abstract: 1,063,945. Liquid jet propulsion, air cushion vehicles. S. BARLETTA. Feb. 22, 1965 [July 23, 1964; Nov. 6, 1964; Nov. 21, 1964], No. 7513/65. Headings B7K and B7V. In a liquid jet propulsion unit the plane of the water intake mouth is flush with the keel and the duct for delivery of water to a pump impeller is inclined at an angle a to the intake plane, where tan a = v/w 1 , v being the vertical   component of the velocity at which the water is drawn into the intake and w 1  the design speed of the boat. When applied to hydrofoil craft or air-cushion vehicles the intake mouth is extended below the bottom of the vessel. In a further embodiment, an inverted channel fitted with an impeller may be utilized instead of the closed inlet duct, the channel extending through the keel and hull of the boat.
Patent GB-274811-A (GB)
Title: Improvements in or relating to airships
IPC: B64B1/58
Filed: 1927-03-19
Abstract: 274,811. Holzverkohlungs-Industrie Akt.-Ges. July 20, 1926, [Convention date]. Ethylene for use as a fuel for the engines of airships is obtained by esterifying industrial dilute acetic acid and cracking the vapours of the ethyl acetate at about 400-700‹ C. in the presence of catalysts e.g. silver, copper, and silver phosphate. Reference has been directed by the Comptroller to Specifications 205,001, 255,488 and 266,310, [all in Class 4, Aeronautics].
Patent GB-1377444-A (GB)
Title: Machine for casting under pressure
IPC: B22D18/00
Filed: 1972-02-18
Abstract: 1377444 Pressure casting machines INSTITUTE PO METALOZNANIE I TECHNOLOGIA NA METALITE 18 Feb 1972 [20 Feb 1971] 7725/72 Heading B3F In a machine in which molten metal is forced, by gas pressure in a chamber 9, into a mould 6 against the action of a counter-pressure existing in the mould, the mould is located in a chamber 7 having wall sections 3 and 5 movable teleseopically with respect to one another. The upper part of the mould 6 and the movable wall section 5 are connected to the piston-rod 2 of an hydraulic cylinder. Rubber sealing rings 4 and 8 are located between the section 5 and the fixed sections of the chamber 7. In operation the gas pressure in the chamber 7 provides the force necessary for holding the mould in its closed position as a result of the different diameters D 1  and D 2  of the various sections of the chamber 7.
Patent GB-1212716-A (GB)
Title: Process for preparing alkyl aryl compounds
IPC: C07C2/70
Filed: 1968-02-16
Abstract: 1,212,716. Alkylating aryl compounds. MITSUBISHI PETROCHEMICAL CO. Ltd. 16 Feb., 1968 [17 Feb., 1967; 28 April, 1967], No. 7784/68. Heading C5E. An alkylation process comprises reacting an aryl compound with a C 5 -C 18  mono-olefin in the presence of HF as catalyst at 0-35 C. substantially to complete the reaction, and then, in the presence of HF, subjecting the reaction product to heat treatment at 40-70 C. while maintaining the reaction mixture in the liquid phase to give the desired alkylaryl compound, which has a low 2-phenylalkane content. During the heat treatment dialkylated compounds formed as by-products may be converted into mono alkylate by transalkylation. The feedstock may be toluene, xylene or naphthalene but all the examples relate to the alkylation of benzene. A preferred olefin is propylene tetramer. If a separation of the original HF catalyst is carried out after the alkylation fresh HF is added before the heat treatment.
Patent GB-1422331-A (GB)
IPC: H02P25/24
Filed: 1972-02-19
Abstract: 1422331 Control of AC motors D B WATSON 2 Feb 1973 [19 Feb 1972] 7793/72 Heading H2J An induction motor having a linear, cylindrical or disc type rotor is operated at a variable speed by forming the winding arrangement of its stator as a number of identical windings or sets of windings connected in series between two terminals receiving a single phase AC or chopped DC supply, the junctions between consecutive windings or sets being connected through respective capacitors to a common one of the terminals, each capacitor forming with the associated winding or set an elementary circuit whereby the winding arrangement comprises a series of such circuits representing in lumped circuit component form the evenly distributed inductance and capacitance characteristics of a notional transmission line, the travelling magnetic field produced by the A.C. or D.C. supply having a desired velocity determined by selecting simultaneously the capacitance and/or inductance value of each of the elementary circuits. As shown in Figure 1, each elementary circuit comprises a winding 3 and a variable capacitor 4, all of the latter being simultaneously adjustable together with the final capacitor 5, which is shunted by a load 6 whose impedance corresponds to the characteristic impedance Z 0  of the notional transmission line formed by the series of circuits. Each capacitor 4 has a capacitance C regarded as the sum of two parallel capacitances C/2 respectively associated with the adjacent windings 3, the capacitor 5 having a capacitance C/2. Application of an A.C. or chopped D.C. supply to terminals 1, 2 produces a travelling magnetic field, since the current in adjacent windings 3 is substantially equal in magnitude but differs in phase by an angle Œ#= # #LC from one winding to the next. The field velocity is 1/#LC units per second, where a unit is the distance between the respective centres of two adjacent windings, whose resistance is negligible. The speed may be varied by adjusting capacitors 4, 5 and/or variable inductors (not shown) in series with the windings 3 and/or taps (not shown) on the windings 3. The mutual inductance between adjacent windings 3 may be minimized by connecting each in series with a compensating coil 7, Fig. 2 (not shown). In another arrangement for a cylindrical motor, each winding 3 comprises two parts (3A, 3A<SP>1</SP>; 3B, 3B<SP>1</SP>... ), Fig. 3A (not shown), respectively located at opposite ends of a stator diameter, Fig. 3B (not shown), to produce a substantially symmetrical flux in the rotor and hence a polyphase effect.
Patent GB-739283-A (GB)
Title: Electronic amplifier having series-connected output tubes
IPC: H03F3/32
Filed: 1953-03-20
Abstract: 739,283. Valve amplifying circuits. COULTER, W. H. March 20, 1953 [March 21, 1952], No. 7801/53. Class 40 (6). In a push-pull amplifier comprising a pair of series-connected valves 18, 19 having the output load 11 connected between ground 15 and the point 25 common to the anode of the lower valve 18 and,cathode of the upper 19, a third valve 31 is provided for driving the upper valve 19 and has its anode resistor 58 returned to the point 25. In this way negative feedback, peculiar to the valve 19 and due to the load 11 being in its cathode circuit, is counterbalanced by positive feed-back over the resistor 58 ; the balance of the circuit is thereby made independent of the impedance of the load 11. The effective impedance of the valve 31, and so the amount of positive feed-back, may be increased by means of cathode resistors 45, 47; in addition, the positive feed-back may be applied to the cathode of this valve via resistor 72. Alternatively, Fig. 2 (not shown), the valve 31 may comprise a pentode. In a circuit of this type, Fig. 4 (not shown), unbalance at high frequencies, due to the shunting effect of the capacities in the anode circuit of the driver valve, is prevented by means of a compensating frequency-selective positive feed-back applied to its cathode circuit. A cathode-coupled pair 130, 131, Fig. 3, may be used to drive the seriesconnected valves 18, 19, positive feed-back being introduced into the anode circuit of valve 131 via condenser 37 and a resistor 153. Overall negative feed-back may be applied to this circuit by means of resistors 249, 250. In a modification, Fig. 5 (not shown), the signal input is applied to the valve 131, instead of to 130, and unbalance at higher frequencies is reduced by frequency-selective feed-back from the point 25 to both grid and cathode of the valve 130. Specification 688,273 is referred to.
Patent GB-1423746-A (GB)
Title: Coating compositions
IPC: C09D7/61
Filed: 1973-02-16
Abstract: 1423746 Coated products KANSAI PAINT CO Ltd 16 Feb 1973 [18 Feb 1972] 7851/73 Heading B2E [Also in Division C3] Coating compositions curable on exposure to an electron beam comprise from 5-30% by weight of silicon carbide and/or corundum, based on the weight of electron-curable filmforming components plus silicon carbide and/ or corundum. Suitable film-forming components include unsaturated polyesters, unsaturated acrylic copolymers, unsaturated polyurethanes, unsaturated epoxy resins, polybutadiene, unsaturated silicon resins, unsaturated polyamides and unsaturated melamine resins. The compositions, which may be applied to wood, metals, plastics (e.g. ABS resin sheet), leather or paper, have lower curing times than conventional electron beam-curable materials and increased hardness and abrasion resistance. The compositions may also include pigments, e.g. titanium dioxide or phthalocyanine blue, and pigment dispersants. In Examples the filmforming components used are (a) an unsaturated polyester derived from maleic anhydride, phthalic anhydride, neopentyl glycol and diethylene glycol, the polyester being dissolved in a mixture of styrene and methyl methacrylate; (b) an unsaturated acrylic resin obtained by reacting polyglycidyl methacrylate with methacrylic acid, the resin being dissolved in a mixture of methyl methacrylate, n-buty alcrylate and ethylene glycol diacrylate; (c) an acrylate resin obtained by reacting an epoxy resin with acrylic acid, the acrylate resin being dissolved in a mixture of methyl methacrylate and 1, 6-hexanediol diacrylate; (d) an acrylateterminated polyester obtained by reacting a polyester (derived from succinic acid, tetrahydrophthalic anhydride and propylene glycol) with tolylene diisocyanate and then with 2- hydroxy ethyl methacrylate, the modified polyester being dissolved in a mixture of methyl methacrylate and 2-hydroxyethyl methacrylate; and (e) an unsaturated acrylic resin obtained by reacting a methyl methacrylate/ethyl acrylate/2-hydroxy ethyl acrylate copolymer with tolylene diisocyanate and then with 2-hydroxyethyl methacrylate, the resin being dissolved in a mixture of methyl methacrylate, n-butyl acrylate, 2-ethyl hexyl acrylate and propylene glycol diacrylate.
Patent GB-493266-A (GB)
Title: Process for the production of coke in lump form
IPC: C10L5/08
Filed: 1938-03-14
Abstract: 493,266. Materials for making coke. LURGI GES. FUR WARMETECHNIK. March 14, 1938, No. 7907. Convention date, March 20, 1937. [Class 55 (ii)] Lump coke is obtained by coking a briquetted mass of dry powdered lignite or bituminous mineral coal comprising at least one half of particles of a grain size not exceeding 0À2 millimetres and the remainder of particles of a grain size up to 2 millimetres. Exceptionally, three-quarters of the mass may comprise particles of a grain size not exceeding 0À2 millimetres and the remainder up to 1 millimetre. The mass is briquetted in a ring roller press under a pressure of at least 1500 kilograms per square centimetre and at a temperature of at least 40‹ C.
Patent GB-1004595-A (GB)
Title: Improvements to flexible couplings
IPC: F16D3/72
Filed: 1963-02-28
Abstract: 1,004,595. Resilient couplings. J. C. GREY. April 27, 1964 [Feb. 28, 1963], No. 7972/63. Heading F2U. A flexible coupling comprises a torsionally flexible bar 8, surrounded by a spacer tube 10, secured each end to flanges 2 which are connected to flanged hubs 1 by metallic membranes 3, 4, permitting lateral flexibility therebetween. As shown, the spacer tube 10 is freely mounted and the torque bar 8 threaded each end in hubs 6, 7 of the flanges 2, whilst in Figs. 3 and 4 (not shown), the bar 8 is secured each end to the hubs by a split tapered bush or direct welding respectively. In Fig. 5 (not shown), the tube 10 is welded between the flanged hubs 6, 7 and split transversely into halves, each half having a vertical flange welded thereon and held together by an annular member fitted over the flanges, seals being provided between the flanges to retain fluid such that torsional oscillations are damped by the viscous drag between the plates. Alternatively dry friction dampers may be used. In Figs. 6 and 7 (not shown), the tube 10, similarly secured to the hubs 6, 7 and split into halves, with adjacent flanges welded thereon, is formed on the flange faces with interengaging spaced sector-like dogs having initial circumferential clearances in the unflexed coupling condition, the arrangement being such that if the outer tube 10 is rigidly formed, the dogs serve to control torsional flexure and prevent overload of the bar 8, whilst alternatively if the tube 10 is torsionally flexible, initial flexure of the bar 8 is achieved at one spring rate until the dog clearance is absorbed after which the additional torsional resistance of the tube 10 increases the total spring rate to provide a two-rate coupling graphically illustrated in Fig. 8 (not shown). Additionally, the interengaging dogs may be lined with rubber which may occupy the entire space between adjoining and inter-meshing sectors so that the rubber acts as a vibration damper and/or a further means of increasing the spring rate of the coupling. In Fig. 9 (not shown), the bar 8 is waisted at the centre to form a break point on overload, the outer tube 10, in all cases, serving to retain the bar 8 in the event of fracture by overload.