baber/WOPTO huggingface dataset:
Patent GB-1203887-A (GB)
Title: Improvements in or relating to telecommunications systems
IPC: H04Q1/453
Filed: 1968-09-27
Abstract: 1,203,887. Voice immunity circuits. SIEMENS A.G. 27 Sept., 1968 [28 Sept., 1967], No. 45885/68. Heading H4R. In a circuit for receiving voice frequency signals from a subscriber TN the detection of a voice frequency signal at the receiver TE immediately causes the breaking of the speech path to the line VL leading to other exchange equipment before further analysis of the received v.f. signal is attempted, and the output of the v.f. receiver is inhibited by a time delay device to allow full analysis to take place. Fig. 2 shows part of a v.f. signal receiver for a system using 2 x (one out of four) v.f. signals. The detection of a v.f. signal at any of the outputs of the filters F1 F2 &c. in either of the frequency bands selected by filters BA or BB, causes energization via lead T1 of the circuit, Fig. 1, preventing onward transmission of signals into the exchange equipment. To provide voice immunity, signals other than that selected by the respective filter F1, F2 &c., are applied to a respective gate TS1, TS2 &c., which is opened in the presence of the respective frequency via the detector ND1, ND2 &c. The outputs from the gates TS1, TS2 &c. are applied to detectors SDA and SDB providing an output from the detectors if there is present, at the same time as a signalling frequency, an interfering frequency, e.g. indicating that the detected frequency may not be a valid frequency but an accidental imitation in speech or noise. The signals SA and SB are applied, together with the signals on lines A1 to A8, appropriate ones of which are energized in response to reception of the respective signalling frequency, to a logic circuit Fig. 3 (not shown) which enables gates to feed the detected signalling frequencies through to a decoder and register only if one signal is received out of each group of four, there is no inhibit signal present on lines SA and SB, and the valid signal condition persists for greater than a predetermined time.
Patent GB-1260347-A (GB)
Title: Demodulators
Inventor: HACKING KENNETH
IPC: H03D1/24
Filed: 1969-09-17
Abstract: 1,260,347. Detector circuits. BRITISH BROADCASTING CORP.. 12 Aug., 1970 [17 Sept., 1969], No. 45905/69. Heading H3Q. A demodulator comprises an envelope detector and multiplying means connected in series between an input and output, and a phase detector connected between the input and the multiplying means, which is arranged to multiply the signal in the series circuit by a sinusoidal function of the output of the phase detector, or by an approximation thereto. The arrangement is particularly suitable for demodulating amplitude-modulated carriers with asymmetrical sidebands. In one embodiment, the signal to be demodulated is fed from terminal 10, Fig. 1 to envelope detector 11, the output of which is fed to multiplier 16 and also to subtraction circuit 17. Signal from terminal 10 is also fed via limiter 12 to a phase discriminator comprising frequency discriminator 13 and integrator 14, the output of which is squared in squarer 15 and forms the second input to multiplier 16. The output from multiplier 16 forms the second input to subtraction circuit 17, in which it is subtracted from the input from envelope detector 11. In a second embodiment, the incoming signal is applied directly to the multiplier and subtraction circuit, and the envelope detector is connected between the latter and the output terminal (Fig. 2, not shown). In a further embodiment, the integrator 14, Fig. 3 provides two outputs of opposite polarity, to each of which is added a constant voltage in unit 22, the two outputs of which are applied, together with the output from envelope detector 11, to multiplier 23.
Patent GB-1511978-A (GB)
Title: Method for fixing cryogenically condensed coffee aromatics in a glyceride carrier
IPC: A23L27/10
Filed: 1976-11-04
Abstract: 1511978 Coffee aromas GENERAL FOODS CORP 4 Nov 1976 [22 Dec 1975] 46019/76 Heading A2B A CO 2 -containing coffee grinder gas is condensed as a frost, placed in a pressure vessel, and supplied with heat to obtain a temperature of at least 32F (preferably at least 70F) and a pressure of at least 506 psia; substantially all water, which forms a separate layer in the vessel, is removed and 1 grain of a glyceride per 0.5-7 grams of frost is introduced (e.g. by spraying) the pressure then being released slowly, preferably isothermally so that the glyceride absorbs the aroma constituents and remains liquid. The glyceride may be coffee, cottonseed, corn or coconut oil, or triacetin. The aromatised glyceride may be combined with coffee powder or extract (which may contain wheat, barley or rye) by conventional techniques.
Patent GB-1117567-A (GB)
Title: Flexible drinking straws
IPC: A47G21/18
Filed: 1966-10-14
Abstract: A flexible drinking staw having a relatively stiff or rigid tubular body and an integrally formed flexible area defined by a series of spaced corrugations made perpendicularly to the axis of the straw or helically, are composed of thermoplastic resinous materials such as linear and branched chain polyethylene, polypropylene, copolymers of styrene and butadiene, highimpact polystyrene, oriented styrene, butadiene-acrylonitrile-styrene copolymers, and cellulosic resinous materials. <PICT:1117567/C3/1> <PICT:1117567/C3/2>ALSO:<FORM:1117567/C6-C7/1> <FORM:1117567/C6-C7/2> A flexible drinking straw composed of thermoplasti resinous material has a relatively stiff or rigid tubular body and an integrally formed flexible area defined by a series of spaced corrugations having crests 24, 24a, Figs. 7 and 8 respectively, separated by valleys 25, 25a and interconnecting portions 26, 26a, and the thickness of the crests is substantially equal to the thickness of the wall of the tubular body and the thickness of the valleys is substantially less than that of the crests.  Suitable dimensions for the thicknesses A-A, B-B and C-C in Fig. 7 of the corrugations, are disclosed.  The corrugations may be made perpendicularly to the axis of the straw or helically, and their cross-section may be circular, square or hexagonal.  Thermoplastic resinous materials: linear and branched chain polyethylene, polypropylene, copolymers of styrene and butadiene, high-impact polystyrene, oriented styrene, butadiene-acrylonitrile-styrene copolymers, and cellulosic resinous materials.
Patent GB-925419-A (GB)
Title: Moistenable adhesive coatings
IPC: C09J7/32
Filed: 1961-12-27
Abstract: A resin composition comprises a polyvinyl alcohol containing a residual polyvinyl acetate content between 0% and 85% by weight, and has a viscosity, as measured in 4% aqueous solution at 20 DEG C. or in a 4% 1:1 isopropyl alcohol-water solution where the acetate content is 65% or higher, of from 1,3 to 75 centipoises.  Up to 60 parts by weight of a polyvinyl acetate resin having a viscosity, as measured in a benzene solution of 86 gm. resin per litre, of from 1,3 to 60 centipoises may be present in the resin composition per 100 parts by weight of the polyvinyl alcohol.  The component resins of the composition may contain up to 50% of their weight fraction of plasticizer, e.g. dibutyl, dioctyl or dibutoxyethyl phthalate, mixed N-ethyl-ortho and paratoluene sulphonamide, mixed cresyl diphenyl phosphates, butyl phthalyl butyl glycolate, polychlorinated polyphenols, polyoxyethylene aryl ether, alkyd resin, citric acid esters, glycerin, tetrahydrofurfuryl alcohol, dimethylformamide, ethanol formamide and water-soluble ethoxylated derivatives of urea. The composition may contain from 0,1 to 0,5% by weight of a stabilizer, e.g. butylated hydroxyanisole, butylated hydroxytoluene, sodium benzoate or calcium stearate.  The composition may also contain up to 5% by weight of an anti-sticking agent, e.g. low molecular weight polyethylene.  The melt temperature may be up to 160 DEG C. and the melt viscosity may be from 100 to 2,000 centipoises at the melting temperature.  The composition may be melted at a temperature below 400 DEG C. and applied by roller-coating, knife-coating, spraying, e.g. flame spraying, or dipping to a surface, e.g. paper, to provide a moistenable adhesive film.
Patent GB-1380065-A (GB)
Title: 5-amino-isophthalic acid derivatives
IPC: C07C237/30
Filed: 1971-10-05
Abstract: 1380065 5-Aminoisophthalic acid derivatives LOVENS KEMISKE FABRIK PRODUKTIONSAKTIESELSKAB 28 Sept 1972 [5 Oct 1971 14 Dec 1971] 46291/71 Heading C2C [Also in Division A5] Novel therapeutic compounds (I) (including  salts and esters thereof) in which X, is -O-, -S-, or -NH-; R 1  is hydrogen or an aliphatic radical with from one to four carbon atoms; R 2  and R 3  are hydrogen or a saturated or unsaturated, straight or branched optionally substituted aliphatic radical with from one to six carbon atoms, or an aryl- or heterocyclic-substituted aliphatic radical with from one to four carbon atoms; and R 4  is an unsubstituted or substituted phenyl radical; are made by standard methods. The invention also comprises novel-3-benzylamino-5-ethoxy-carbonyl - 4 - (phenory-, -phenylthio- and -pchlorophenylthio)-benzoic acids. Compounds (IV) and (V), where COOE signifies an ester or free carboxy group, are also prepared as well as 4-chloro-5-nitroisophthalic acid and its diethyl ester, diethyl 4 - anilino - 5 - nitroisophthalate, ethyl - 4- anilino - 5 - carboxy - 3 - nitrobenzoate and its potassium salt, ethyl 4-anilino-5-chlorocarbonyl-3- nitrobenzoate, 4 - anilino - 5 - carbamoyl - 3- nitrobenzoic acid, 4-anilino-5-nitro-isophthalic acid, ethyl 4-anilino-5-carboxy-3-nitrobenzoate, 5-amino- and 5-nitro-4-phenylthio-isophthalic acids, diethyl 3-benzylamino-4-phenylthioisophthalate, 4 - p - chlorophenylthio - 5 - amino and -nitro - isophthalic acids, diethyl 5 - benzylamino- 4-(p-chlorophenylthio)-isophthalate, diethyl 5- nitro and -amino-4-phenoxyisophthalates diethyl 5-benzylamino-4-phenoxyisophthalate and diethyl 5-amino- and 5-nitro-4-p-tolyloxyisophthalates
Patent GB-1200947-A (GB)
Title: Improvements in or relating to sealing caps and conduit end fittings
Inventor: LUDEMAN EDWIN HENRY
IPC: F16L55/115
Filed: 1967-10-11
Abstract: 1,200,947. Clamps. E. H. LUDEMAN. 11 Oct., 19671[11 Oct., 1966], No. 46492/67. Heading E2B. [Also in Division F2] In a combination, comprising a sealing cap 102 and a coupling adaptor 101 profiled externally to receive and cooperate with the cap 102 the latter incorporates a fixed cam 12 having a surface adapted for engagement with a first exterior portion of the adaptor, a rotatable cam 16 adapted for engagement with a second exterior portion of the adaptor opposed to the first portion, and a compressible gasket 10 located sealingly to abut the rim 2 of the adaptor when the cap is retained therein, the rotatable cam incorporating a first radially acting bevelled camming surface 20 for engagement with the peripheral surface of the second exterior portion of the adaptor at a position above a groove 4 therein for moving the cap radially with respect to the adaptor to bring the fixed cam surface into engagement with the first exterior portion of the adaptor upon rotation of the cam, and a second angularly acting bevelled camming surface 21 for engagement with the groove of the adaptor for moving the cap in a direction having an axial component with respect to the adaptor so that the cap moves, first radial with respect to the adaptor and then in a direction having an axial component upon rotation of the cam. The cap is bored with cylindrical surfaces 6, 9 at radii R 2  on axes A-A, B-B respectively which surfaces merge at a flat surface 11, the surface 12 of the fixed cam being generated by a sphere of radius rotating at radius R about an axis C-C as the latter moves linearly from axis A-A to axis B-B, the generating sphere simultaneously moving upwards at a proportionate rate from the intersection 13 to the intersection 14. The surface 6 fits easily over the adaptor 101. The cap locked by moving a handle 18 in the cam 16 slightly beyond dead centre, the shaft of the cam 16 having an "O" ring seal.
Patent GB-1370000-A (GB)
Title: Process and apparatus for determining the centre of gravity of a group of objects and their use in passenger transport means
IPC: B64B1/70
Filed: 1971-10-06
Abstract: 1370000 Measuring centre of gravity SOC NATIONALE INDUSTRIELLE AEROSPATIALE 6 Oct 1971 [22 Oct 1970] 46525/71 Heading G4H The centre of gravity relative to a chosen origin of a plurality of similar objects distributed randomly over a rectangular area is computed by deriving a first signal of constant amplitude and duration for each object present and deriving a second signal of constant amplitude but of a duration proportional to the distance of the object from the chosen origin, the quotient of the sum of the second signals and the sum of the first signal being computed to derive the centre of gravity. As described for measuring the position of the centre of gravity along the axis of the fuselage of passengers in an aircraft having thirty rows of four seats the measurement takes place during a cycle of 4096 clock periods from a 4000 Hz oscillator. An encoder 20 (Fig. 5) comprising two sections 20A, 20B each associated with a row of four seats, includes twelve series-connected bistables receiving at their input clock pulses from the oscillator 30 (Fig. 6), the outputs from five of the bi-stables d2, a3, b3, c3, d3, being connected to two decoders 56, one in each section 20A, 20B to deliver an output signal of reference duration (128 clock periods) at a time associated with the particular row, to a gate 37 so that 128 clock pulses are fed to a divider 40. The divider divides by a number n, unique to the particular row and representing its distance from the origin so that output pulses of duration n clock pulses are fed to an associated store 41. The store has four stages, one for each seat in the row, which are enabled when the associated seat is occupied so that between 0 and 4 pulses of the duration n clock pulses are transmitted in dependence on seat occupancy to an OR gate 24 common to the thirty encoders. The OR gate is connected to a capacative integrator 44 and via a shaper 42 which shapes all the pulses to the same duration to a second integrator 43. Integrator 34 consequently has a charge proportional to the sum of the moments of the weights of the passengers and integrator 43 has a charge proportional to the sum of the weights of the passengers (all passengers being assumed to be of equal weight). The two integrated values are divided in a divider 47 to derive the centre of gravity. The output signal may be used to initiate fuel transfer to compensate for the difference between the position of the centre of gravity and its optimum position. The signals representing seat occupancy may be derived from contacts either in the seat or in the seat buckle. In the latter case the signals may also be used to give an indication of whether passengers seat belts are fastened or not.
Patent GB-1390590-A (GB)
Title: Production of fuel gas
IPC: C01B3/36
Filed: 1973-10-05
Abstract: 1390590 Fuel gas TEXACO DEVELOPMENT CORP 5 Oct 1973 46554/73 Heading C5E Fuel gas is produced by subjecting a hydrocarbon liquid optionally in the presence of steam to partial combustion in a first gas generation zone with a gas having an oxygen content approximately that of air, at a pressure above 30 p.s.i.g., preferably 30 to 3000 p.s.i.g., and at an autogenously maintained temperature of 1600‹ to 3000‹ F. to produce an effluent gas comprising nitrogen, carbon monoxide, and hydrogen, injecting hydrocarbon liquid and steam into the effluent gas stream at substantially the pressure of the first gas generation zone to cool the effluent gas and heat the steam-hydrocarbon mixture to 1000‹ to 1800‹ F. to convert at least a portion of the injected hydrocarbon into methane in a second gas generation zone, cooling the resultant product to condense water therefrom and recovering a product gas composed principally of carbon monoxide, nitrogen, hydrogen and methane. Preferably the gas for the partial combustion contains 19 to 21% oxygen and is air. Both generation zones and the cooling zone are maintained at substantially the same pressure. The hydrocarbon liquid may boil in the naphtha range and may be an oil which is fractionated into light and heavy fractions, the light fraction being fed to the first and/or second gas generation zone, and the heavy fraction used as a scrubbing medium to remove entrained solid carbon particles from the second zone product gas. The heavy fraction and the heavy fraction-carbon mixture may be introduced as feed to the first gas generation zone. The hydrocarbon liquid to air weight ratio as fed to the first gas generation zone is 0À15 to 0À20 : 1 and the hydrocarbon liquid to steam weight ratio between 10 : 1 and 1 : 5. The hydrocarbon liquid to steam weight ratio as fed to the second gas generation zone is 0À5 to 10 : 1. The cooled product gas may be contacted with N-methyl-pyrrolidone, ethanolamine or methanol to remove CO 2  and H 2 S.
Patent GB-1197737-A (GB)
Title: Hydraulic Brake Operating System for a Motor Vehicle.
Inventor: NAKANO AKIO
IPC: B60T8/26
Filed: 1967-10-17
Abstract: 1,197,737. Controlling vehicles. A. NAKANO. 17 Oct., 1967 [21 Oct., 1966 (2); 18 March, 19671, No. 47225/67. Heading B7H. [Also in Division F2] In an hydraulic brake system, an electromagnetically operated valve 10 is interposed between the master cylinder 14 and the brake cylinders 34 to enable the brakes to be locked on. When the vehicle speed falls below a predetermined value, a solenoid (L), Fig. 4 (not shown), releases to close switch 35. Depression of the clutch, release of the accelerator, or putting the gear into neutral closes one of the three parallel connected switches 40, 41, 42 to actuate valve 10 and lock the brake at whatever pressure is applied by pedal 11. The pressure may be maintained by a piston and cylinder (30), Fig. 2 (not shown), or by a compressor (75), Fig. 9 (not shown). The solenoid (L) is energized from a generator (65) coupled to the speedometer shaft (66). In a vehicle having automatic transmission switch 42 would be omitted, and switch 40 would be operated by the transmission selector.
Patent GB-1439058-A (GB)
Title: Phosphorus-containing esters having pesticidal properties
IPC: C07F9/40
Filed: 1973-10-11
Abstract: 1439058 Thiophosphoric and thiophosphoric esters BASF AG 11 Oct 1973 [12 Oct 1972] 47471/73 Headings C2P and C2C The invention comprises thiophosphorus esters of the formula wherein R<SP>1</SP> is methyl or ethyl, R<SP>2</SP> is methyl, ethyl, phenyl, methoxy or ethoxy, R<SP>3</SP> is C 1 -C 3  alkyl, R<SP>4</SP> is H or C 1 -C 3  alkyl or NR<SP>3</SP>R<SP>4</SP> is pyrrolidino, piperidino, morpholino, piperazino or N-alkyl piperazino, R<SP>5</SP> is C 1 -C 3  alkyl, R<SP>6</SP> is methyl, ethyl or phenyl and X is 0 or 5. They are obtained by reacting wherein B is a salt-forming cation and hal is Cl, Br or I. The products have pesticidal properties and may be used as active ingredients in conventional pesticidal formulations for use in plant protection and in the veterinary field. N,N - dimethyl - N<SP>1</SP> - dimethylamino - sulphonyl chloroacetamidine is obtained by reacting chlorosulphonyl isocyanate with N,N-dimethylchloroacetamide in CCl 4  at 40 C. and then reacting the product with a solution of dimethylamine in dioxane at 0 to 5 C.
Patent GB-1318956-A (GB)
Title: Ceramic materials
IPC: C04B35/46
Filed: 1970-10-06
Abstract: 1318956 Ceramic PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 6 Oct 1970 [29 July 1970] 47478/70 Heading C1J A dielectric ceramic comprises a lanthanum oxide containing solid solution of lead zirconate and titanate according to the formula
Patent GB-1429260-A (GB)
Title: Coating apparatus
IPC: B05D1/00
Filed: 1973-10-12
Abstract: 1429260 Curtain coating webs CIBAGEIGY AG 27 Sept 1974 [12 Oct 1973] 47671/73 Heading D1L In the curtain coating of a web the source of liq. supplied to the edges of the curtain is separate from that supplied to the central region thereof. As shown, the curtain 12 is supplied with liq. from three side-by-side coating hoppers 1, 2 and 3, supplying respectively the central 8 and the two edge portions 9 and 10 of the curtain. The overall width of the curtain is determined by two edge guides 4 and 5. Each of the slide hoppers shown has a supply chamber 2b and duct 2c. The central portion of the curtain may be a multi-layered silver halide emulsion whilst the edge portions, of width 5-15 mm, are single layers of aq. emulsion. A slot type hopper (Figs. 6-8, not shown) may also be used.
Patent GB-1407839-A (GB)
Title: Electrically oncrolled fuel injection systems for internal combustion engines
IPC: F02D41/12
Filed: 1972-10-20
Abstract: 1407839 Automatic control ROBERT BOSCH GmbH 20 Oct 1972 [22 Oct 1971] 48344/72 Heading G3N [Also in Division F1] In an I.C. engine, electrically controlled, intermittent fuel injection system, a vacuum limiting device 50 is provided to respond to the pressure drop which occurs in the air intake manifold 12 when the butterfly valve 34 is closed abruptly so as to allow sufficient air to by-pass the valve 34 to maintain combustion, e.g. when the vehicle in which the engine is mounted is driving the engine. As shown, the device 50 includes a housing divided into two chambers 54, 55 separated by a diaphragm 53. Chamber 54 is connected to the manifold upstream of the valve 34 by a conduit 58, and chamber 55 is connected to the manifold downstream of the valve 34 via a bore 70 in an adjustably positioned pin 66 and a conduit 72 connected to the pin. The diaphragm is adjustably pre-stressed (by pin 66) by a spring 60 to maintain, via a pin 80, a valve body 76 closed against the opening of a tube 77 leading to the manifold downstream of the valve 34 via a tube 57. When the valve 34 is abruptly closed, chamber 55 is subjected to the sudden reduced pressure which causes diaphragm 53 to lift thereby lifting valve body 76 from the opening. This allows air upstream of valve 34 to flow via conduit 58, tube 77 and tube 57 into the manifold thereby maintaining combustion in the cylinders. In an alternative, Fig.3 (not shown), the housing is divided into three chambers, i.e. chambers 54 and 55 and an intermediate chamber formed by diaphragm 53 and a second diaphragm of larger area. A throttling bore is provided in this second diaphragm to inter-connect chamber 55 and the intermediate chamber. The diaphragms are rigidly spaced by a pin. The larger area second diaphragm provides rapid operation. The energizing pulses of the fuel injection valves 13, Fig.1, are controlled by an electronic control device 25 in dependence upon the intake air pressure downstream of valve 34.
Patent GB-982128-A (GB)
Title: Process for producing thin sheets of plastic ceramic materials
IPC: B28B3/12
Filed: 1963-12-11
Abstract: 982,128. Extruding ceramic materials. FETOK G.m.b.H. Dec. 11, 1963 [Dec. 20, 1962; Feb. 6, 1963], No. 48910/63. Heading B5A. Thin sheets of plastic ceramic material are produced by extruding a strip of ceramic material of the required width from an extrusion nozzle and reducing it to the required thickness by at least one pair of rollers. In the example shown, material from an extrusion nozzle 9 is reduced to the required thickness by rollers 23, 24, 25, 26, 27, 28, a cutting device 30 being provided to cut the sheet 30 into lengths. It is suggested that embossed sheets may be produced by using profiled rollers and that profiled sheets, for example of U-shaped cross-section, may be produced either by bending a sheet rolled to the required thickness or by extruding the profile from the extrusion nozzle and reducing it to the required thickness by appropriately positioned pairs of rollers.