baber/WOPTO huggingface dataset:
Patent GB-1349289-A (GB)
Title: Angle encoding navigation system of the interferometer type
IPC: G01S3/48
Filed: 1971-09-16
Abstract: 1349289 Radio direction finding WESTINGHOUSE ELECTRIC CORP 16 Sept 1971 [13 Oct 1970] 43250/71 Heading H4D In a system for determining the angle # between the longitudinal axis X-X of a vehicle 10 and a reference course line to a signal source 12, two aerials 14, 16 are provided in the forward portion of the vehicle, one on each side thereof, and on a line Y-Y transverse to the axis X-X. The phase difference between the signals received by the aerials from the source on a particular frequency, e.g. the carrier frequency of an airfield runway localizer transmitter, is utilized for determining the said angle. A portion of the energy from each of the aerials 14, 16 is coupled into a circuit means 26, such as a hybrid junction, by respective transmission lines 28, 30. The circuit means 26 derives an output signal at the carrier frequency at reference phase, and acts as a "phantom aerial" mid way between the aerials 14, 16. Other portions of received energy from the aerials 14, 16 are directed by respective signal couplers to phase modulators 38, 40, which also receive inputs from an audio frequency modulation signal source 42. The phase modulators, which may be of the serrodyne type, produce frequency shifts in opposite senses, and their outputs thus represent the two sidebands of an amplitude modulated signal. The sidebands and the carrier are combined in a network 44, and detection is performed by an envelope detector 52, the output of which is at the frequency of the audio modulation signal source, and which bears the phase information derived from the spaced aerials 14, 16. The signal from the detector 52 is compared with the signal from the source 42 in a phase comparator 54, which provides an output representative of the magnitude and sense of the angle #.
Patent GB-1082236-A (GB)
Title: Improvements in and relating to aqueous phenol-formaldehyde resin emulsions and impregnating fibrous material therewith
IPC: H05K1/03
Filed: 1964-10-23
Abstract: An aqueous emulsion of a thermo-hardening phenol-formaldehyde condensation product is prepared by reacting together in water in the presence of a basic-reacting substance a mixture of monohydroxybenzene compounds and a molar excess of formaldehyde or a compound generating formaldehyde during the reaction at a temperature between room temperature and the reflux point, inclusive, until a low molecular weight product is obtained, suitable for impregnating fibrous materials, the mixture of monohydroxybenzene compounds having a mean functionality (towards formaldehyde) of 2.4-2.8 and being composed of a mixture consisting predominantly of xylenols containing not more than 60 mol per cent of trifunctional and not more than 25 mol per cent of monofunctional phenols, and added trifunctional monohydroxybenzene such that the mean functionality of the whole mixture is 2.4-2.8 and the monoalkylphenol content does not exceed 25 mol per cent.  The phenol mixture may be obtained by adding to technical xylenol phenol itself or m-cresol or a mixture of cresols of average functionality greater than 2.4.  After the preparation of the low molecular weight resin the mixture may be acidified by addition of an acid-reacting compound which will be incorporated into the resin, and which will form with the basic-reacting compound a non-dissociated compound or insoluble salt.  The basic-reacting compound may be e.g. NaOH, KOH, Ba(OH)2, Ca(OH)2, Na2CO3, K2CO3, (C4H9)3N or (C2H5)4NOH. Loosening agents and softeners, e.g. stearamide, oleamide and waxes, may be added to the composition. In Examples 1 and 2 mixtures of technical xylenol and technical phenol of mean functionality 2.60 and 2.55 are reacted i.p.o. triethylamine with formalin in molar ratios of 1:1.35 and 1:1.50 respectively.  In Example 3 a hard paper is prepared from a kraft paper impregnated with the product.ALSO:Kraft paper is impregnated with an aqueous formaldehyde-xylenol resin, the average functionality of which has been increased to 2.4-2.8 by addition of phenol or m-cresol, dried and compressed.
Patent GB-1370143-A (GB)
Title: Process for improving the flow properties and or mechanical strength  of mortars and concretes and binders for use in the process
IPC: C04B26/26
Filed: 1971-09-17
Abstract: 1370143 Settable composition SOC COMMERCIALE DE MATERIAUX POUR LA PROTECTION ET L'ISOLATION 17 Sept 1971 [18 Sept 1970 26 May 1971] 43366/71 Heading C1H The flow properties and mechanical strength of mortars and concretes based on hydraulic or bituminous binders are improved by adding a finely divided powdered hydrophobic additive comprising a mineral carrier and a wetting agent having a hydrophilic portion of the molecule attached to the mineral carrier and a hydrophobic portion at the other end of the molecule. Wetting agents used are alkyl aryl sulphonates, resin soaps, alkaline abietate soaps, alkaline fatty acid soaps, Na or K soaps of polybasic carbonylic acids, Na or Ca lignosulphonates, fatty alcohol sulphonates, organic salts of sulphonated hydrocarbons, salts of triethanolamine and polyglycol esters. The mineral carrier is CaCO3, dolomite, SiO2, Ba- SO4, CaSO4 or feldspar. Portland cement is exemplified.
Patent GB-1067089-A (GB)
Title: A process of manufacturing thread made of foamed synthetic resin
IPC: D01D5/247
Filed: 1964-10-26
Abstract: A thread of foamed synthetic resin is made by subjecting a strip of foamed synthetic resin to tension and/or compression such that hollow granules therein are elongated in the longitudinal direction of the strip, and then twisting the resultant tape, and subjecting the twisted tape to cone-winding.  The strip may be softened by heat or by chemical means before the granules therein are subjected to elongation, and may be coated, before twisting, with a synthetic resin.  The tape formed of elongated granules may be twisted alone or may be twisted together with other fibrous threads of, for example, polyethylene or nylon to form a composite thread of enhanced weavability.  Several of the foamed tapes may be twisted together to increase the strength of the resulting thread.  The cone-winding step may be followed by further softening, elongation or coating operations.  Specified foamed synthetic resins are those derived from styrene and its derivatives, vinyl compounds, cellulose esters, acrylonitrile methyl methacrylate, aldehydes and amides.  The invention is illustrated by the production of threads from strips cut from foamed polystyrene paper.  The threads are lustrous, have an apparent density of less than 0.4 and are suitable for knitting and weaving.
Patent GB-1529724-A (GB)
Title: Fluid-operated apparatus exhibiting hysteresis effect
IPC: F16K31/363
Filed: 1975-10-23
Abstract: 1529724 Fluid-pressure servomotor systems UNITED TECHNOLOGIES CORP 23 Oct 1975 [29 Oct 1974] 43603/75 Heading G3P Fluid-operated control apparatus exhibiting a predetermined hysteresis effect, comprises a shuttle 20 having its left-hand end exposed to an input pressure signal PM and its right-hand end subjected to an automatically-adjustable pressure loading. In use, a flapper 10 is moved in accordance with an input variable to control the value of the pressure signal PM. When the pressure PM is below a first predetermined value the shuttle 20 assumes the position shown to connect actuator 70 with highpressure PH 1. On reaching the first predetermined value, the pressure PM acting over area A3 forces the shuttle to the right against the action of spring 26 and the axial force derived from pressure PR acting on effective area A2 of a valve element 28. Thus the actuator 70 is connected with low-pressure PLO. Moreover the valve element 28 is forced away from its seating 30 by the shuttle that the pressure in a chamber 23 having a restricted drain 60 builds up to PR, whereby the effective area subjected to pressure PR is reduced from A2 to A1. Thus pressure PM must fall to a second predetermined value lower than the first predetermined value to return the shuttle to the position shown. The value of PR supplied through inlet 24 may be adjustable. The apparatus may be adapted to derive an electrical or mechanical output instead of the pressure output.
Patent GB-1358850-A (GB)
Title: Mobile platformcarrying machine
IPC: B66F11/04
Filed: 1971-09-15
Abstract: 1358850 Mobile luffing-arm apparatus J M HARRISON [trading as LIFTEC ENG CO] 15 Sept 1971 [15 Sept 1970] 43920/70 Heading B8H A mobile platform carrying machine comprises a traction driven carriage 1 on which a support arm 4 is mounted for rotation about a a vertical axis V 1  into either of two laterally extending positions in which the outer end of the arm 4 is spaced laterally from either side of the carriage 1, there being a boom structure comprising first and second pivotally connected booms 8, 9 pivotally mounted on a turntable 5 mounted for rotation about an axis V 2  on the arm 4, the said booms 8, 9 being movable in a vertical plane relative to the support arm 4 by means of two hydraulic rams 15 (only one shown) and a rotary torque generating actuator 21 respectively, a platform 7 being pivotally connected to the boom 9. By means of a selective combination of pivotal movement of the booms 8, 9 about axes H 1  and H 2  respectively, and bodily slewing movement of the boom structure about the turntable axis V 2  it is possible to position the platform 7 in a position above and below the support arm 4 as shown in Fig. 3 (not shown), and to either side of the arm 4 when it is in either of its laterally extending positions. The platform 7 is maintained in a constant orientation relative to the ground by means of a worm-wheel 30 mounted thereon which is driven by a worm 29 from a motor 28 located in a boom extension 22 of the boom 9. Rotation of the arm 4 and turntable 5 about the axes V 1 , V 2  respectively is accomplished by means of hydraulic motors 4M, 5M. The boom 8 comprises spaced arms (10, 11), Fig. 2 (not shown), between which the boom 9 and platform 7 can pass.
Patent GB-987626-A (GB)
Title: Brushless wire preheater
Inventor: PELTIER WILFRED L
IPC: H05B6/02
Filed: 1963-11-07
Abstract: 987,626. Induction heating. WALCO ELECTRIC CO. Nov. 7, 1963, No. 43925/63. Heading H5H. Apparatus for heating electrical conductor wire 13 prior to its entering an insulation extruding die comprises conducting grooved wheels around which the wire is looped and between which are passageways having windings for inducing heating current in the loop. As shown, two simply mounted wheels 17, 18 are used but alternatively (Fig. 7, not shown), to reduce heat loss to the top wheel it is replaced by a pair of wheels on an angled bracket, only one' of which is of conducting material and the wire contacts this only through a small arc. The primary windings embrace iron cores in addition to the passageways 21 and the latter are lined with glass fibre. The current and voltage induced in the loop is measured and can be adjusted by an autotransformer in the primary circuit. An inertia switch driven by the lower wheel 18 interrupts the supply if the speed of the wire falls below a predetermined value, and control by a thermostat adjacent the extrusion die is mentioned.
Patent GB-1349178-A (GB)
Title: Apparatus for drying and superheating steam
IPC: F22B37/26
Filed: 1971-09-21
Abstract: 1349178 Steam separators and superheaters; heat exchange elements ENERGIAGAZDALKODASI INTEZET 21 Sept 1971 [21 Sept 1970] 44055/71 Headings F4A and F4S Apparatus for drying and superheating steam comprises a moisture separating means 1, which may be made of wire mesh, connected directly to a laminar-flow heat exchanger 2, the moisture separator and heat exchanger both having a depth in the steam flow direction smaller than the maximum dimension transverse to the flow and both having the same flow cross-section. The heat exchanger is made up of a number of elongated bodies arranged side by side with slits in their sides which define very narrow flow passages 3 for the steam, the bodies having passages 4 extending through them for the heating medium which is hot steam. A number of units each comprising a separator 1 and heat exchanger 2 are arranged in parallel within a cylindrical enclosure 5. Baffles 6 direct steam from a receiving chamber 7 through the units to a collecting chamber 8. A drain for water separated in the separators is also provided.
Patent GB-1127767-A (GB)
Title: Improvements in and relating to artificial fibres
Inventor: GRAY KENNETH LLEWELLYN
IPC: D01F1/04
Filed: 1964-11-02
Abstract: 1,127,767. Artificial filaments containing dichroic ferric oxide. COURTAULDS Ltd. 1 Feb., 1966 [2 Nov., 1964], No. 44532/64. Heading B5B. [Also in Division D1] An artificial fibre contains a dispersion of dichroic, elongated ferric oxide particles having their major axes substantially parallel to the fibre axis and having an average particle diameter of 1 to 6 microns. Specified fibres include acrylic fibres, nylons and polyesters, in addition to natural fibres such as cellulose and proteins, for example casein. A preferred artificial fibre comprises a viscose rayon and contains a dispersion of ferric oxide particles in a concentration of from 0À5 to 2À0% by weight based on the weight of the cellulose. The ferric oxide particles may be acicular. In Example 1, ferric oxide particles having an average particle diameter range of between 2 and 4 microns are incorporated in a viscose in a concentration of 1À5% by weight based on cellulose. This is effected by forming a 50% by weight slurry of the particles in water, mixing the slurry into a small batch of viscose and then introducing this small batch into the main viscose batch at a ratio of 1: 10 by weight. The resulting pigmented viscose is wet spun in conventional manner and a yarn formed therefrom is woven into a plain weave fabric and over-dyed with an aqueous dye solution of a direct cotton dye, Chlorantine Fast Green F29LL (Colour Index Direct Green 65). The fabric has a marked dichroic effect appearing plum red at one angle and yellowish-green at another. Staple fibres suitable for carpet yarn may be similarly made (Example 2).
Patent GB-1015369-A (GB)
Title: Improvements in or relating to protective caps or seals for bearings
IPC: F16C33/72
Filed: 1963-11-12
Abstract: 1,015,369. Bearings. J. R. COOPER. Nov. 10, 1964 [Nov. 12, 1963], No. 44606/63. Heading F2A. A cap or seal, for protecting and preserving a ball or roller bearing against the ingress of foreign matter and rust during storage, has a spigot 6 which is received by the bore of the inner race of the bearing and a dish-shaped portion 4 having a rim 7 which engages either an annular face 8 of a housing 1 or a bore 9 thereof. The rim 7 forms a cavity 5, the spigot 6 may be hollow and both may contain grease or other preservative. The cap, which may be made of synthetic plastics material, has a tab 12 which facilitates insertion and removal thereof.
Patent GB-963716-A (GB)
Title: Improvements in race games
IPC: A63F9/14
Filed: 1961-12-13
Abstract: Apparatus for playing a game simulating a race comprises a board marked with a race track which becomes progressively narrower, playing pieces for movement over the track, and cards for determining the moves of the playing pieces.  The board is foldable to form a container for the rest of the apparatus when not in use, the latter also comprising a model starting gate subdivided into separate compartments, one for each playing piece, counters representing money, a winning post, a container for the cards constructed so that the cards can be dealt easily therefrom, and a memo pad and pencil.
Patent GB-1505439-A (GB)
Title: Carburation devices for internal combustion engines
IPC: F02M17/08
Filed: 1976-10-28
Abstract: 1505439 Regulating air fuel mixture ratio SOC INDUSTRIELLE DE BREVETS ET D'ETUDES 28 Oct 1976 [31 Oct 1975 2 Jan 1976 16 Jan 1976] 44845/76 Heading F1H A carburetter has an operator controlled throttle valve 10 and an automatically controlled throttle valve 2 which opens in proportion to the flow-rate of air through induction pipe 1 and which controls fuel metering means 15, 18, from which fuel flows into duct(s) 19 and via valve controlled orifice(s) 23 to inlet manifold 1a, 1b. Valve-member 24 of regulator R is attached to diaphragm 31, subject on one side, via duct 25 to the pressure in pipe 1 between throttle valves 2 and 10. Thus, in operation, the pressure in the manifold is the pressure downstream of throttle valve 10 and the fuel in chamber 22 is at the pressure downstream of throttle valve 2. Modifications. The fuel metering means may be a tube through which fuel passes via slots in the tube wall to duct(s) 19, the effective area of the slots being varied by rotation of the tube. Fuel flow in duct(s) may be modulated by solenoid valves, pulse operated at a duty cycle dependent on ambient air temperature or pressure, or exhaust gas composition. Alternatively the solenoid valve(s) may admit atmospheric air intermittently to duct 25 in response to the same parameters. Regulator(s) R may discharge vertically downwards into the manifold and have a permanent restricted communication from chamber 22 to atmosphere Fig. 6 (not shown) which provides for additional fuel during acceleration. In the latter construction, the fuel may discharge axially along a Venturi which is coaxial with the manifold. Needles 15 may be replaced by rods having inclined ends-faces, Figs. 9 and 10 (not shown) which co-operate with slots in the walls of tubes which fit closely around the rods.
Patent GB-1402469-A (GB)
Title: Explosive composition
IPC: C06B47/14
Filed: 1972-10-02
Abstract: 1402469 Explosive compositions DOW CHEMICAL CO 2 Oct 1972 45299/72 Heading C1D An explosive composition comprises, by weight, 30-93% of one or more inorganic oxidizing salts, 5-40% thiourea, and 2-20% water. Also present may be self-explosive sensitizers, fuels, thickeners, and void-containing density control agents, examples being Al flake, Mg, B, ferrosilicon, ferrophosphorus, Ti, alloys thereof, pentolite, nitrostarch, nitroglycerine, composition B, TNT, RDX, PETN, nitrocellulose, tetryl, charcoal, coal dust, fuel oil, crude oil, sugar, molasses, sulphur, urea, guar gum, polyacrylamides, polyesters, polyethers, cellulosic material, starch, hollow microspheres of metals, synthetic resins, clay, and glass, and carbonates to provide gaseous voids. The inorganic salt may be ammonium nitrate, sodium nitrate, ammonium perchlorate, calcium nitrate, calcium perchlorate, ammonium sulphate, sodium sulphate, or calcium sulphate; perchlorides and bromates are also referred to.
Patent GB-1497929-A (GB)
Title: Storage and transport of roll-up doors or other cylindrical objects
IPC: B65D85/66
Filed: 1975-10-31
Abstract: 1497929 Proteeting roll-up doors &c R J FIRBANK 31 Oct 1975 45388/75 Heading B8C Apparatus supporting a rolled-up door 24 or other cylindrical object comprises a support element 12 of rectilinear configuration circumscribing each end of the object, and keying elements 26 adapted to lock the support elements on the object. The element 26 may comprise a wedge-shaped pin which can be passed through holes in a -tubular extension 22 of the support element and in a hollow axle 23 of the door. Each support element 12 has holes 18 to receive spigots (17) of a support element 12 stacked thereupon.
Patent GB-1526445-A (GB)
Title: Multi-phase compressed gas circuit-breaker installation
IPC: H02B13/02
Filed: 1975-10-31
Abstract: 1526445 Switchgear structures WESTING- HOUSE ELECTRIC CORP 31 Oct 1975 [27 Nov 1974] 45442/75 Heading H1N A multiphase compressed-gas circuit breaker installation comprises a plurality of circuit breaker assemblies 13 on a frame structure 25 the circuit breaker assemblies 13 and frame structure 25 being supported by at least a low pressure gas reservoir tank 27 and possibly also by a high pressure gas reservoir tank 30 which extend along the whole length of the installation under the circuit breaker assemblies these tanks being the sole support for the installation. Skids 51, 52 are provided under each of these reservoir tanks so that the installation may be slid upon the ground. A plurality of control and compression cabinets 49 are disposed along one side of the circuit breaker installation above the low pressure gas reservoir tank 27 and a maintenance platform 63 is disposed above these cabinets with a stairway 56 leading to it. An operating linkage extends lengthwise along the circuit breaker installation to operate the circuit breakers simultaneously, and a system of conduits 32 leads the compressed gas, which is SF 6 , to and from the circuit breaker assemblies, a compressor assembly forcing gas into the high pressure gas reservoir tank to maintain the pressure therein.
Patent GB-1294779-A (GB)
Title: Honeycomb uncapping method and apparatus
Inventor: OGILBY LYDIA PHIPPEN
IPC: A01K59/02
Filed: 1971-10-01
Abstract: 1294779 Uncapping honeycombs L P OGILBY 1 Oct 1971 45843/71 Heading AIM A method for removing the wax caps 4' from honeycomb cells 4 comprises piercing the caps with heated members 2 and heating softening and partially combusting the wax remaining around the holes so formed. A heat conducting and radiating member 1, heated electrically by elements 3, transmitts heat to pointed metal probes 2, which simultaneously contact a plurality of caps 4' as the member 1 is lowered onto the honeycomb. The holes formed by piercing are opened out by the heat of the probes, and the heat radiating lower surface of the member 1 softens and partially combusts the remaining wax.
Patent GB-1262554-A (GB)
Title: Improvements relating to resistors
Inventor: BOCHKAREV BORIS ALEXANDROVICH
IPC: H01C17/08
Filed: 1969-09-18
Abstract: 1,262,554. Resistors. B. A. BOCHKAREV, and V. A. BOCHKAREVA. 18 Sept., 1969, No, 46110/69. Heading HIS. [Also in Division C7] A metal/dielectric resistor is formed by sublimating in a vacuum on to an insulating substrate (e.g. ceramic) an electrically conductive coating containing a conductive component and a dielectric component and subsequently heating the resistor until the coating is softened and densified, the dielectric component including at least one metal oxide melting in the temperature range 350‹-700‹ C. The dielectric component may include vanadium oxides or barium oxide and the conductive component may include lead oxide. The resistive layer may be produced using a mixture of powders A and B, powder A containing 13À8% of chrome by weight, 55À4% silicon, 10À4% aluminium and 20À4% lanthanum oxides, whilst powder B contains vanadium oxides. From 80-95% of powder A is mixed with from 5-20% of powder B first as a dry compound and then with any neutral volatile solvent such as alcohol or acetone. The mixture is then dried and sifted through a sieve having 1000 holes per sq. cm. It is then deposited by sublimation in vacuum on to insulating bases to make resistor blanks. The blanks are subsequently heated in air or a vacuum at a temperature of 300‹-750‹ C. for a period from five minutes to a few hours. In an alternative method the ingredients for a conventional metal-dielectric layer are vacuum evaporated simultaneously with the evaporation of oxides which, with some of the evaporated ingredients, are capable of forming compounds which soften during the subsequent thermal treatment.