baber/WOPTO huggingface dataset:
Patent GB-1256164-A (GB)
Title: Signal phasecompensation circuits
IPC: H03D13/00
Filed: 1969-09-26
Abstract: 1,256,164. Pulse locked oscillators. INTERNATIONAL BUSINESS MACHINES CORP. 26 Sept., 1969 [28 Oct., 1968], No. 47503/69. Heading H3A. A signal phase compensating circuit arranged to produce a timing signal train (Fig. 3C) of a frequency controlled from a binary data input signal train (Fig. 3a) in which voltage transitions in one sense indicate data bits of one kind comprises two pulse train generators 18, 22, each responsive to a voltage transition in the said sense in the data input to generate a pulse, one pulse being of fixed width, the other pulse (Fig. 3d) being terminated in response to the next occurring timing signal, the direct output pulses of each generator being separately combined with pulses from the other generator, which have been subjected to a fixed delay 30, 42, the two combinations being arranged to control, one combination to tend to increase and the other to tend to decrease, a voltage input (Fig. 3i) to a voltage controlled oscillator (10, Fig. 1) providing the timing signal. In the phase discriminator 16, a monostable generator 18 produces the constant width pulse from input data pulse, the flip-flop generator 22 being set and reset by the data and timing pulses. In operation, whenever the frequency of the controlled oscillator is to be increased, the pulse output (20, Fig. 3b) from generator 18 is applied in conjunction with a delayed pulse (44, Fig. 3e) from generator 22 to a NAND gate 28 to produce a positive pulse (34, Fig. 3g) having a duration corresponding to the time the direct and delayed pulses (20, 32) remain negative concurrently. The positive pulse output is switched through a current source to develop a current of duration representative of the phase error between data and clock. This current is applied to an integrating and compensating network 38 to provide an error voltage to control the oscillator. For a required decrease in frequency, NAND gate 26 becomes operative to switch current source 36 by a waveform (40, Fig. 3h) dependent on the concurrent positive duration of the input pulses (Fig. 3d, 3e). Alternatively, a D.C. integrator may be used in lieu of the gated current source type of integrator.
Patent GB-1060239-A (GB)
Title: Pipe end connecting means
Inventor: MARTIN GAVIN PATRICK BLANDY
IPC: F16L7/00
Filed: 1964-11-23
Abstract: 1,060,239. Pipe connections. JOSEPH LUCAS (INDUSTRIES) Ltd. Jan. 10, 1966 [Nov. 23, 1964], No. 47517/64. Heading F2G. Means for connecting the adjacent ends of a pair of relatively fixed coaxial pipes 10, 11 to a body 12 comprises clamping means 23 movable axially to provide a seal between the outer pipe 11 and the body and an open-ended, cup-shaped, compressible sealing ring 18 which extends over and engages the free end of the inner pipe and a bore 17 in the body. The inner pipe is supported in the outer pipe by longitudinal vanes 15 which do not extend beyond the end of the outer pipe which is shorter at the adjacent end than the inner pipe. The seal at the clamping means consists of an olive 21 which is compressed thereby.
Patent GB-1374777-A (GB)
Title: Bituminous road surfacing containing hydrocarbon binders
IPC: C08L95/00
Filed: 1971-10-13
Abstract: 1374777 Coated mineral material PIERREFITTE-AUBY 13 Oct 1971 [19 Oct 1970] 47679/71 Heading B2E [Also in Division C3] A method of preparing a road surfacing material by coating a mineral material with a hydrocarbon binder is characterised by mixing the binder which is at a temperature of at least 110‹C and which temperature is sufficient to fluidise the binder an additive selected from the following hydrochlorides:- (a) hydrochlorides of N-alkyl-polyalkylene polyamines of the formula R-[-NH-CH 2 ) n -)- p -NH.(p+1)HCl and (b) hydrochlorides of alkyl imidazolines of the formula: in which formulae R is an aliphatic hydrocarbon radical (C 8-22 ) R' is H, aminoethyl, hydroxyethyl or a polyaminopolyethylene radical having the formula -(CH 2 CH 2 NH) q H in which q is 1-4, n is a positive integer lower than or equal to 6, and p is an integer from 2 to 6. The amount of additive may be 0.1-1% by weight of the binder. A specific mineral material is quartzite gravel (8-12 mm.) which is mixed with a cut-back previously heated to 110‹C. The mineral material may be heated prior to mixing it with the binder, and the additive may be introduced in admixture with fillers.
Patent GB-1072519-A (GB)
Title: Improvements in or relating to speed measuring devices
Inventor: PARKER BERNHARD DOLLMAN
IPC: G01S11/14
Filed: 1964-11-24
Abstract: 1,072,519. Measuring velocity using sound waves. DECCA Ltd. Nov. 22, 1965 [Nov. 24, 1964], No. 47806/64. Heading H4D. In a system for measuring the speed of a body (e.g. an aircraft) relative to a fluid, acoustic waves are propagated through the fluid and the phase relation between the acoustic signal at points spaced in the direction of relative motion is determined by a phase discriminator having means for counting complete cycles of phase change. In the embodiment illustrated, air flows through a passage 11 in a body 10 and is at rest in a communicating cavity 17. Acoustic waves are propagated by transducers 12, 18 (which may be energized by a common oscillator 15). The phase differences between the transmitted waves and the waves received by transducers 13, 19 are determined by respective discriminators 20, 25 which indicate phase angles on meters 23, 26 and which drive integrating counters to count complete cycles of phase change. The relative air speed is calculated, e.g. by digital computer using a given mathematical relationship between the two measured phase differences, the frequency of the acoustic waves and the transducer spacing. Correction factors may be applied if the spacing of transducers 12 and 13 differs from that of transducers 18 and 19, and if the acoustic wave propagation direction is not parallel to the air flow. The phase discriminators 20, 25 may be arranged to indicate phase deviations from a reference value determined by a calibration measurement made at a reference temperature with zero air speed, in which case a calibrated coarse adjustment of the number of complete cycles of phase change set into the integrating counters may be made manually if subsequent phase measurements are made at a temperature different from the reference temperature.
Patent GB-1385916-A (GB)
Title: Phase control system for signal modifying circuits
IPC: H04N17/04
Filed: 1972-10-18
Abstract: 1385916 Phase control systems; sawtooth generators TEKTRONIX Inc 18 Oct 1972 [27 Oct 1971] 48008/72 Headings H3A H3T and H4T A phase control system for a circuit 16, e.g. a horizontal deflection circuit of a TV monitor introducing variable phase shift comprises a phase modulator 12 interposed between the input at 10 and the circuit 16, the input at 10 and the output of circuit 16 being phase compared at 14 for adjusting the phase shift introduced by modulator 12 so that the total phase shift remains a constant. In operation, the positive going portions of an input signal 34 from a horizontal oscillator 36 undergo a controlled phase shift at 12 while the negative going portions remain unaltered. The phase shifted signal undergoes further phase shift in a circuit 16 producing blanking pulses 38, the negative portions of which are phase compared at 44 with the non-phase-shifted negative portions of the modulator 12 output to produce a gating voltage 56 for the integrator 58 which causes an input capacitor 32 to change up to the base emitter threshold voltage of a transistor 28 at a rate -dependent on the total phase shift introduced by circuits 12 and 16. The circuit 16 includes transistor 96, 100 and a coil 20 of a horizontal deflection circuit. When input signal 114 becomes negative, transistors 96, 100 are turned off so that the reverse current flowing through coil 20 rapidly charges up a capacitor 112 and a flyback pulse 129 is produced at junction 109. This pulse voltage is rapidly reduced to zero as the current through coil 20 reverses to discharge 112. When transistors 96, 100 are rendered conducting the low collector voltage at 109 causes a current flow through coil 20. The collector base junction of transistor 100 acts as a damping diode and the currents through coil 20 have a sawtooth waveform. The integrator 58 is gated by signal 56 for the charging or discharging of a capacitor 70 and for the generation of a sawtooth output 78. In a phase control system for a horizontal deflection circuit 16, the scan currents flowing through the coil 20 are modulated at 108 by a parabolic voltage derived from the vertical deflection circuit to provide pincushion correction. The flyback pulses 129 at the junction 109 are applied to a clamping circuit 130-148 for deriving blanking pulses 38. As the voltage of pulse 129 rises, it is clamped to the voltage at the anode of a diode 132. The scan currents are generated by the charging and discharging of inductive, capacitive elements 20, 110, 112 by switching transistors 96, 100.
Patent GB-1082540-A (GB)
Title: Process for preparing impact-resistant styrene graft polymers
IPC: C08F279/02
Filed: 1964-11-26
Abstract: Impact resistant graft polymers are made by polymerizing a styrene solution of a copolymer of styrene and butadiene in which more than 80% of the butadiene is combined in the cis-1,4 form, the copolymer containing 1 to 40% of styrene and being used in an amount of 0.1 to 50% by weight of the styrene monomer.  Also present in the polymerizable solution may be other monomers such as acrylonitrile, methacrylonitrile, vinyl pyridine, alkylstyrenes, acrylates and methacrylates.  Polymerization may be carried out in bulk, or in suspension or emulsion in water.  As polymerization initiators there are specified organic peroxides and azodiisobutyronitrile.
Patent GB-1511099-A (GB)
Title: Nitriding process for metal parts
IPC: C23C8/48
Filed: 1976-11-18
Abstract: 1511099 Nitriding FORD MOTOR CO Ltd 18 Nov 1976 [15 Dec 1975] 48212/76 Heading C7U  Metal parts are nitrided by packing them in a stable granular medium which has impregnated with an aqueous solution of urea or a urea-derived substance in controlled concentration, followed by heating for a time sufficient to provide the desired case depth. Preferred media are vermiculite, charcoal, porous clay or ceramic, and nitriding conditions are 925-1050‹F for 4-24 hours.
Patent GB-1183498-A (GB)
Title: Improvements relating to Tobacco-Smoke Filters
Inventor: HASLAM FRED
IPC: A24D3/02
Filed: 1967-10-24
Abstract: 1,183,498. Tobacco-smoke filters. BRITISH-AMERICAN TOBACCO CO. Ltd. 21 Oct., 1968 [24 Oct., 1967; 24 Nov., 1967; 4 Jan., 1968], Nos. 48233/67, 53548/67 and 673/68. Heading A2C. Tobacco-smoke filters comprise synthetic resin foam material comminuted to a particulate form and wrapped in a band. Preferably a polyurethane resin foam is used but other suitable synthetic resins are polyvinyl chloride, polyethylene, polystyrene, polystyrene/acrylonitrile copolymers, or less desirably condensation polymers of phenols, urea or melamine with formaldehyde. The particulate foam material may be bonded with an adhesive which may be a thermoplastic or thermosetting resin, e.g. a polyethylene resin, or may be an inorganic substance of low melting point i.e. below 250‹C., e.g. crystalline sodium orthophosphate dodecahydrate, and may constitute up to 80 per cent of the total weight of the mixture of adhesive and comminuted foam. Manufacture. Mixtures of comminuted foam material and adhesive may be fed on to a paper band, which band is advantageously coated with a thermoplastic adhesive, and the band is then passed through compression, heating and shaping stations to produce a continuous filter rod. Alternatively, the comminuted foam, with or without powdered or granular adhesive, may be brought into filter rod form by feeding it on an uncoated paper band to the garniture of a conventional cigarettemaking machine. In this latter case, if adhesive is mixed with the foam material it need not be activated by heating until after the rod has been formed. Suitably modified forms of known apparatus are disclosed. In the examples: toluene diisocyanate and diphenylmethane-4 : 4<1> diisocyanate based rigid polyurethane foams were comminuted mixed with comminuted sodium phosphate dodecahydrate and formed into filter sections which were sandwiched between pairs of fibrous cellulose acetate filter sections; zinc acetate was added to a polurethane/sodium acetate mixture to enhance the removal of hydrogen cyanide and hydrogen sulphide by the filter formed therefrom; and cupric nitrate trihydrate was used as the adhesive for a polystyrene foam material. Other adhesive materials used with a toluene diisocy anate based rigid polyurethane foam were sodium perborate tetrahydrate, hydrated calcium bromide, aluminium bromide non- ahydrate, ferrous sulphate heptahydrate, cupric nitrate trihydrate, sodium aluminium sulphate dodecahydrate, sodium acetate trihydrate, magnesium acetate dihydrate, aluminium stearate and magnesium stearate.
Patent GB-1193553-A (GB)
Title: Process and Device for the Wet-Treatment of Textile Material.
IPC: D06B5/04
Filed: 1968-10-17
Abstract: 1,193,553. Treating raw wool. VEPA A.G. 17 Oct., 1968 [28 Nov., 1967], No. 49193/68. Heading D1L. Loose wool 18 is continuously treated in a liquid contaner 1 comprising at least one floating space followed by a rotary suction sieve drum 6 partially immersed in the liquid and having a suction duct 8 through which liquid passes from the container in a uniform flow past guiding elements 9 and is then recycled via a variable speed centrifugal pump 7 at one face of the drum to the drum by means of a conduit 10 and duct 11 which extends over the width of the container and contains further guiding elements 9; the liquid being returned in a uniform flow with variable velocity and direction controlled by moveable vanes 12 and 13 at the outlet of duct 11. As shown, the duct outlet is situated below a perforated partition 2 and squeeze rolls 22 are situated immediately above the rear wall of the container. Altarnatively, two drums may be employed in series in the container, the duct outlet may be situated above the partition and the squeeze rolls may be situated above a trough outside the container (Fig. 1), or two containers may be employed in series and the partition may be dispensed with (Fig. 3). Raw wool may be scoured or dyed wool washed.
Patent GB-1186307-A (GB)
Title: Grease Composition Containing Ethylene-Vinyl Acetate Copolymer.
Filed: 1968-10-17
Abstract: 1,186,307. Grease composition. SUN OIL CO. 17 Out., 1968. [7 Nov., 1967], No. 49197/68. Heading C5F. A grease composition comprises a major proportion of a mineral lubricating oil containing at least 40% by volume of aromatic hydrocarbons, a minor proportion of thickening agent and 0À5-10% by wt. of an ethylene-vinyl acetate copolymer. The thickening agent may be a metallic soap, e.g. sodium stearate, lithium stearate, lithium oleate, calcium ricinoleate, calcium oleate aluminium palmitate and lead naphthenate or a complex metallic soap, e.g. aluminium benzoate stearate, aluminium palmitate toluate, calcium stearate acetate, barium oleate propionate, barium linolenate acetate and zinc stearate benzoate. Other additives present in the examples include sulphurized sperm oil, phenyl-#-naphthylamine and di-isopropoxy palmitate cyclic aluminium oxide trimer.
Patent GB-1442229-A (GB)
Title: Process for separating zirconium and hafnium tetrachlorides
IPC: B01D53/14
Filed: 1974-11-14
Abstract: 1442229 ZrCl 4 /HfCl 4  UGINE ACIERS 14 Nov 1974 [14 Nov 1973] 49283/74 Heading C1A Zirconium and hafnium tetrachlorides are separated in a continuous process that involves selective absorption by a molten solvent which circulates in countercurrent to the halide vapours in a distillation column, the molten solvent being an alkali metal chloroaluminate (i.e. alkali chloride+AlCl 3 ) and/or alkali metal chloroformate (i.e. alkali chloride + FeCl 3 ) in which the mole ratio AlCl 3  and/or FeCl 3  to alkali metal chloride lies between 0À95 and 1À30, and where the selective absorption is carried out at a pressure of less than 5 bars and at a temperature of 250-550‹ C.
Patent GB-1094199-A (GB)
Title: Process for the preparation of oxazole compounds
IPC: A23N12/02
Filed: 1964-12-04
Abstract: Oxazole compounds represented by the partial formula <FORM:1094199/C2/1> wherein R1 stands for a substituted or unsubstituted phenyl residue and R2 for an alkyl, substituted or unsubstituted aryl, aralkyl, styryl (including substituted styryl), or heterocyclic radical, are prepared by heating an acylamine compound represented by the general formula <FORM:1094199/C2/2> in which X is a chlorine or bromine atom in an inert organic solvent in the presence of a catalyst selected from metallic copper, cupric oxide, cupric and cuprous salts at a temperature from 100 DEG  C. to 200 DEG  C.  Bis-oxazole compounds of the general formula <FORM:1094199/C2/3> in which R1 stands for a substituted or unsubstituted phenyl residue and R3 for a divalent bridge member selected from arylene, alkylene, vinylene, <FORM:1094199/C2/4> and heterocyclic radicals, are prepared similarly from acylamine compounds of the general formula <FORM:1094199/C2/5> where X is chlorine or bromine.
Patent GB-1282480-A (GB)
Title: Cellulose esters
Inventor: CONEY CHARLES HERBERT
IPC: C09D11/14
Filed: 1969-10-08
Abstract: 1282480 Cellulose propionates and compositions thereof EASTMAN KODAK CO 8 Oct 1969 [8 Oct 1968] 49432/69 Headings C3A and C3F Cellulose propionate having a propionyl content of from 37 to 44% by weight, a free hydroxyl content of from 4À4 to 8% by weight and a viscosity of from 0À02 to 50 seconds as determined by A.S.T.M. D-1343 may be prepared by hydrolysing a cellulose propionate having a propionyl content of from 46 to 50% by weight in an aqueous propionic acid solution that prevents ester precipitation, at a temperature not exceeding 200 F. and in the presence of sulphuric acid as a catalyst. Cellulose propionates which may be thus prepared are useful as odourless resins in printing inks (e.g. flexographic inks), overprints and coating lacquers. Such compositions may also contain a solvent, such as hydrous ethanol; a dye or pigment, e.g. titanium dioxide, carbon black, cadmium sulphide, zinc oxide, zinc sulphide, chromium oxide, iron oxide, selenium sulphide, phthalocyanines, pyrrocolones, quinacridones, alizarines and rhodamines and a modifying resin such as urea-formaldehyde, melamine-formaldehyde, acrylics, polyvinylacetate, polyesters, polyamides, phenolics, natural resins such as wood rosins and resins, and epoxides.
Patent GB-1249403-A (GB)
Title: Gas analysis
IPC: G01N33/00
Filed: 1969-10-09
Abstract: 1, 249, 403. Electro-chemical analysis; gas analysis. BECKMAN INSTRUMENTS Inc. Oct. 9, 1969 [Nov. 8, 1968], No. 49555/69. Headings G1B, G1N. The quantity of e. g. SO2 or O3 in a gas stream with interferents such as H2S, NO2 or mercaptans or halogens or ammonia is determined by making a measurement before and after the component has been selectively scrubbed from the stream and recording the difference. A suitable electro-chemical measuring cell of the kind described in Specification 1, 098, 653 may be used Fig. 2 (not shown), alternatively known spectro-photometric methods may be employed. OZONE SCRUBBER for ozone measurements may be a heated silver catalyst or P. T. F. E. granules coated with alkylthio mercury chloride, dialkylthio mercury, alkylthio lead chloride, or dialkylthio lead. A method of preparing the granules is described.
Patent GB-1239985-A (GB)
Title: A thermally insulating storage container
IPC: F25D11/02
Filed: 1968-10-18
Abstract: 1,239,985. Refrigerators; thermally insulated containers. INDUSTRIE A. ZANUSSI S.p.A. 18 Oct., 1968 [18 Oct., 1967], No. 49588/68. Headings F4H and F4U. The base 16 and side walls 15 of a container for storing frozen foods in a refrigerator are made of a thermally insulating material, e.g. expanded polystyrene, and the container has a cover comprising a rim 19 and a plurality of overlapping dished elements 20 which are spaced apart to permit air flow into and out of the container. Water falling on to the cover drains through holes in the rim to a trough 24. The container may be positioned within or beneath the freezer compartment of a refrigerator (Figs. 1-4, not shown), may have legs and may include a plurality of compartments. Preferred thicknesses of insulating material and heat transfer coefficients are listed. The cover may be transparent.
Patent GB-1222066-A (GB)
Title: Improvements in or relating to lignosulphonic acid and salts thereof
Inventor: SHOTTON PETER GILBERT
IPC: C08H5/02
Filed: 1967-11-01
Abstract: 1,222,066. Lignosulphonic acid. CEMENTATION CO. Ltd. 29 Oct., 1968 [1 Nov., 1967], No. 49697/67. Heading C2C. The average M.W. of a lignosulphonic acid and/or a lignosulphonate material derived from a gymnosperm having a number-average M.W. greater than 15,000 is reduced by heating an aqueous solution of the lignosulphonic acid or the lignosulphonate material for from 1 to 5 hours at a temperature from 120‹ to 145‹ C. under superatmospheric pressure and in the presence of SO 2 , the aqueous solution containing from 50 to 150 g. of lignosulphonic acid and/or lignosulphonate material per litre of solution, from 20 to 50 g. of SO 2  per litre of solution and less than 0À25 g. mols. of an alkali metal or alkaline earth metal compound/litre of solution. Examples are given which illustrate this proces.
Patent GB-1455282-A (GB)
Title: Apparatus for sucking up and transferring fishes
IPC: B65G53/30
Filed: 1973-10-29
Abstract: 1455282 Pumping by pneumatic pressure and vacuum; pump suction inlets KYOEI ZOKI KK 29 Oct 1973 [28 Oct 1972 (2) 9 May 1973] 50216/73 Headings F1A and FIR Fish are raised from a tank or net and discharged into a ship's tank or other receptable by drawing fish and water into a container through an inlet pipe by creating a vacuum within the container and subsequently raising the pressure in the container. When the liquid reaches a given high level detector means cause the air-pressure in the container to be raised to discharge the contents to a separator and when a given low level is reached detector means cause the air-pressure to be cut off and vacuum to be applied to the container. Two containers may operate alternately Fig. 5 (not shown). The specification describes pneumatically controlled valves Fig. 7 (not shown) for controlling the supply and exhaust of air, and electropneumatic control circuits for operating the system. The suction inlet pipe preferably has a horizontally directed inlet which may be unsymmetrical as shown in Figs. 11 and (13 not shown). The inlet may connect with a horizontal or vertical pipe and may include an inlet valve Fig. 4 (not shown).
Patent GB-1454935-A (GB)
Title: Mould and a moulding method for the production of cast products
IPC: B28B7/06
Filed: 1974-11-21
Abstract: 1454935 Supporting facing sheets in moulds SELVAAGBY GG A/S 21 Nov 1974 [23 Nov 1973] 50414/74 Heading B5A [Also in Division E1] A flexible, polyurethane mould 1 is lined, at least partially, by a rigid steel plate 3 which is used to support an insert 6, 7 in the mould cavity. As described, the mould 1 is supported in a rigid outer case 2, and the steel plate 3 is placed in a mould recess 4 on rigid polyurethane distance pieces (not shown). A vacuum applied to the recess 4 holds the plate 3 in position and, through apertures 3<SP>1</SP>, a PVC insert 6, 7 of complex shape. Reinforced concrete 8 is vibrated in the mould and receives the insert 6, 7 as a facing. In alternative embodiments, the vacuum is omitted, and the insert 6, 7 held on the plate 3 by double-sided adhesive tape or by magnets arranged within the recess 4 below the plate 3, attracting iron rods arranged in the mould cavity adjacent the insert 6, 7. Fig. 3 shows another embodiment in which a frame 11 having depending, tapered bolts 12 holds the insert 6 in place until the mould is half-filled with concrete, and is then removed and the both cavities filled in by vibration. The insert comprises welded or glued sections 6, 7 used for facing staircases.