baber/WOPTO huggingface dataset:
Patent GB-2072605-A (GB)
Title: Elevator buckets
IPC: B65G17/36
Filed: 1980-03-07
Abstract: A bucket (3) for an elevator (1) is provided with louvres (9) to restrict the direction of flow of material (10) into and out of the bucket (3). Thus, the bucket (3) can be filled substantially to capacity when used in a centrifugal discharge elevator (1), the louvres (9) preventing premature discharge of the material (10) whilst allowing full discharge down a delivery chute (6) at the required time. The invention is particularly suitable for use in grain elevators. <IMAGE>
Patent GB-2047047-A (GB)
Title: Ultrasonic transducer
IPC: G10K11/02
Filed: 1980-04-02
Abstract: An ultrasonic transducer is formed by a wedge 2 of plastics material having at least one face 12 coated with a thin layer of metal foil to which one face of a piezoelectric element 18 is adhered in electrical contact with the metal. A conductive pin 16 in the face 12 is also in contact with the metal layer. A cable supplying a voltage signal at ultra-sonic frequency to the element 18 has one lead 20 soldered to the pin 16 and another lead 22 soldered to the exposed face of the element. Thus the voltage signal is applied between opposite faces of element 18 without the need of a passage through the wedge to carry the lead 20. End face 14 of the wedge has ribs. <IMAGE>
Patent GB-2050375-A (GB)
Title: 4-Cyanophenyl-1,4- dihydropyridine compound, processes for preparation thereof and pharmaceutical composition comprising the same
IPC: C07C255/56
Filed: 1980-05-09
Abstract: The 4-cyanophenyl-1,4- dihydropyridine compounds have the formula:-   <IMAGE>  wherein R<1> is n-propoxycarbonyl, isobutoxycarbonyl or neopentyloxycarbonyl,  R<2> is lower alkoxycarbonyl,  R<3> is lower alkyl, and R<4> is di(lower)alkoxymethyl, formyl hydroxyiminomethyl, cyano or hydroxymethyl. These compounds and their pharmaceutically acceptable salts thereof have vasodilating and hypotensive activity making them useful in the therapeutic treatment of cardiovascular diseases and hypertension.
Patent GB-2051748-A (GB)
Title: Paper splicing device, especially for cigarette or filter rod-making machines
IPC: B65H23/24
Filed: 1980-05-21
Abstract: A paper web splicing device as described in Patent No. 1,086,065, has, in addition to the suction brake (22) provided downstream of the reservoir (16) to tension the paper web (27), an auxiliary suction brake (24) upstream of the first-mentioned suction brake. This auxiliary suction brake is associated with a guide (29) which, when the web feed rates into and out of the reservoir are equal, holds the web away from the auxiliary suction brake in view of the tension in the web, but allows the web to engage the auxiliary suction brake when the tension falls as a result of web being accumulated in the reservoir in preparation for splicing. <IMAGE>
Patent GB-2076761-A (GB)
Title: Drag-reducing Fairings For Vehicles
IPC: B62D35/00
Filed: 1980-05-27
Abstract: The air-resistance of a load- carrying vehicle, such as a lorry or a car with a roofrack, is reduced by having an inflatable body 14 mounted on the vehicle or the roofrack, the inflatable body assuming, when inflated, a streamlining shape. The body may be mounted on the front end of the load-holding compartment, or on the roof of the cab of the lorry, or around the front, and possibly sides and rear of a roofrack. <IMAGE>
Patent GB-2052054-A (GB)
Title: Means for Measuring Current, Temperature and/or Voltage in a Thyristor
IPC: G01R31/26
Filed: 1980-05-30
Abstract: A means for measuring the current, the temperature and/or the voltage in a thyristor (13) comprises at least one optical fibre (6) in optical contact with the thyristor, said optical fiber having the purpose of transmitting a light signal emitted from the thyristor and/or a light signal emitted to and through the thyristor, thus obtaining current-dependent, temperature-dependent and/or voltage-dependent signals which may constitute measurement values for the current, the temperature and/or the voltage occurring in the thyristor. In other embodiments for measuring the temperature of a thyristor, a semiconductor body (e.g. GaAs) having temperature-dependent optical properties is interposed between the thyristor and the end of the optical fibre. <IMAGE>
Patent GB-2078023-A (GB)
Title: Full charge detection circuit for a battery
IPC: H02J7/00
Filed: 1980-06-10
Abstract: A charging circuit for a lead-acid battery 2 comprises a rectifier 9, switching circuit 3, thermistor 4 integral with or connected to the battery 2 for detecting the temperature of the battery, and a comparison circuit 5. The circuit 5 includes a high impedance FET comparator 10 connected to the switching circuit 3. When the battery temperature rises, indicating a fully charged state, the thermistor 4 causes voltages E1, E2 to fall. A capacitor 7 maintains voltage E3 at a higher level, and the difference is detected by the comparator 10 which turns off the switching circuit 3 and terminates charging. <IMAGE>
Patent GB-2053718-A (GB)
Title: Detachable filter and ostomy bag including same
IPC: A61F5/441
Filed: 1980-06-23
Abstract: An attachable and detachable filter for use with an ostomy bag includes a plastics housing member 10 having two portions 12,14 hinged together by an integral hinge, each portion having a peripheral wall 18 and at least one of the walls having apertures 36 therein. One portion of the housing member carried a sharp-pointed and resilient- headed generally cylindrical stud 22 which is a push fit through an aperture 32 in the other to clamp together the two portions, there being at least one layer of gas-filtering material contained within one or other or both the housing portions. In use, when the filter housing is clamped over the edge of an ostomy bag, the stud 22 makes holes in the bag material allowing the escape of gas into the filter housing. The gas filtering material may be carbon cloth. Alternatively it may be a woven or non-woven fibrous material impregnated with activated carbon particles. <IMAGE>
Patent GB-2056546-A (GB)
Title: Panic door
IPC: E05B63/20
Filed: 1979-12-17
Abstract: An operating mechanism for bolts (1, 2) of a panic door includes a pivotable member (5) having an axial aperture (7) within which is disposed a turning bar (8), the turning bar (8) being detachably connected to means (9, 15) outside the door whereby movement of an operating handle (B) can be connected to pivotal motion of the bar (8). <IMAGE>
Patent GB-2080377-A (GB)
Title: Security Device
IPC: E06B9/04
Filed: 1980-07-23
Abstract: This invention provides a security device for a building comprising a shutter (1) hingedly mounted on one side of a window and capable of being secured in position by means of a latch (9) on the other side of the window. Once the shutter has been closed, it can only be released by means of a knob (17) located inside the building. <IMAGE>
Patent GB-2058414-A (GB)
Title: Apparatus for controlling stepping motors in electronic time pieces
IPC: H02P8/40
Filed: 1980-09-01
Abstract: Apparatus for controlling an electronic time piece having two motors M1, M2 comprises only six power transistors T13 to T18 divided into pairs of transistors of opposite conductivity type, the transistors of each pair being connected in series with each other in a respective switching circuit connected between the supply terminals (+,-). The first motor M1 is connected between the middle connection points of the pairs T13/T14 and T17/T18 and the second motor M2 between the middle connection points of the pairs T17/T18 and T15/T16. The pair of transistors T17/T18 is thus common to the two motors. The circuit provides alternating pulses to each motor M1, M2 or may be used to energize two separate windings of a single motor, for reverse and forward drive. If two motors are used, one may drive a seconds hand and a minutes hand, and the other an hours hand and a date indicator. Opposite conductivity type FETs may be used instead of bipolar transistors. <IMAGE>
Patent GB-2065630-A (GB)
Title: Improvements in wool scouring
IPC: C02F1/52
Filed: 1980-09-03
Abstract: In wool scouring systems in which scouring liquor is continuously withdrawn from the scouring bowls for separation of solid contaminants and wool grease and then recycled to the bowls, improved separation of solids is achieved by adding a soluble silicate, and preferably also a polyelectrolyte to the liquor before solids separation.
Patent GB-2058346-A (GB)
Title: Ring Interferometer Rotation Sensors
IPC: G01C19/72
Filed: 1980-09-08
Abstract: Ring interferometer rotation sensors wherein the transit time differences produced in a waveguide 1 by the Sagnac effect are compensated 8 by means of the Faraday effect, the strength of the magnetic field required for this purpose thus being a measure of any angular speed. In order that the Faraday effect may be used, means 61, 62, 61', 62' are provided for circularly polarising the light coupled into the ends of the waveguide 1. The sign of the angular speed may be determined by superimposing on the waveguide 1 a periodic non-reciprocal phase shift, e.g. by agitating the sensor or, as shown, by means of Faraday effect 9, and by feeding signals from photodetectors 41, 41' to a phase-sensitive detector 15 coupled to the means 13 providing the periodic phase shift. <IMAGE>
Patent GB-2065164-A (GB)
Title: Steam drying of coal
IPC: F26B7/00
Filed: 1980-10-13
Abstract: A process for drying and if desired, modification of the structure of organic solid material, such as for example brown coals, using steam as the drying agent. The organic solid materials have their upper grain size limited to approximately 50 mm and are suspended in water and heated under a pressure exceeding atmospheric pressure. During this first stage a pre-drying is effected. In following stages the selected operating superatmospheric pressure is maintained or increased and the suspension is centrifuged in at least one further drying stage. In all drying stages succeeding the stage in which the suspension is prepared heating is effected by supplying steam. The suspended solid materials are continuously discharged from the last drying stage maintained under a pressure exceeding atmospheric pressure and pressure-released, and drying terminated by an aeration step.
Patent GB-2062499-A (GB)
Title: An information recording disk and a method of manufacturing the same
IPC: G11B23/50
Filed: 1980-11-06
Abstract: The foundation or body (1) of an information recording disk (D) of electrostatic capacitance-variation type is coated with a film (6) made of a solid lubricant having a high dielectric constant. In one embodiment of the invention, an electrode layer (2) is sandwiched between the surface of the foundation (1) and the film (6) where the foundation is made of an insulating material. In another embodiment, the foundation (5) is directly coated with the film (6) where the foundation (5) comprises minute particles of carbon scattered about a resin so that the foundation (5) exhibits a conductivity as a whole. The film (6) of solid lubricant is deposited by a sputtering technique, thereby providing a simple manufacturing process. Since the foundation is coated with the film (6) of a solid lubricant, the disk (D) is difficult to damage, while dust is easy to remove from the surface of the disk (D). <IMAGE>
Patent GB-2065744-A (GB)
Title: Building panels
IPC: E04F13/12
Filed: 1980-11-10
Abstract: Each panel 10 has a tongue 30 extending along one edge and a cooperating groove defined by a channel part 17 and projecting limbs 18 on its opposed edge. The metal skins of the panels are so formed that when a tongue 30 and groove engagement is made a double undercut groove is defined on at least one side of the tongue 30. This undercut groove opens into a gap between the aligned faces of the panels, through which an anchorage member 36 can be inserted to secure the panels to a beam 12. Seals 21 are provided between the tongue 30 and limbs 18. <IMAGE>
Patent GB-2074542-A (GB)
Title: Article carrier
IPC: B65D85/52
Filed: 1981-04-28
Abstract: An article carrier has a flexible wall 5 extending round the article 2 in its rest position with a slit portion which extends from a position in which a portion of the article is visible to one in which the portion of the article is protected when the carrier is lifted by handles 4. <IMAGE>
Patent GB-2097287-A (GB)
Title: A method of applying a weather resistant fluorocarbon coating to the surface of a substrate.
IPC: B05D5/00
Filed: 1981-04-29
Abstract: In a method of applying an inert weather resistant coating of polyvinyl fluoride or a polyvinylidene fluoride or a mixture of polyvinylidene fluoride and a vinyl monomer to the surface of a non metallic substrate an aqueous emulsion of an acrylic acid ester is first applied to the surface, allowed to dry and a dispersion of the polyvinyl or polyvinylidene fluoride or the copolymer thereof is bonded to the dried treated surface by short wave heat radiant energy.
Patent GB-2079474-A (GB)
Title: Electrocatalytic activation of electrodes
IPC: G01N27/416
Filed: 1981-07-06
Abstract: In an electrochemical cell, such as a polarographic cell, an electrode at which an electrochemical reaction is to take place during operation of the cell is electrocatalytically activated by supplying to it a controlled activating current. The polarographic cell may operate in an amperostatic mode, (Figure 4) with an activating current of sine wave form applied simultaneously with the measurement of concentration of an active species, or the cell may operate in a potentiostatic mode (Figure 5) with the activating current applied alternately with the use of the cell to measure an active species. <IMAGE>
Patent GB-2085110-A (GB)
Title: Protecting Pipes Against Bursting
IPC: E03B7/10
Filed: 1981-07-24
Abstract: An insert (1) to prevent rupturing of a water-carrying pipe in freezing conditions comprises a resilient deformable sealed tube (2) which has fins (3) to position it within and lengthwise of the pipe (4) and is made of cross-linked polymeric material e.g. polythene copolymers of ethylene with other ???-olefins, vinyl alkyl esters or alkyl acrylic esters. The insert may be made by extending a tube, crimping to form cells and the fins and then cross-linking the polymer. The fins 3 may be relatively short in length (Fig. 2 not shown). <IMAGE>
Patent GB-2086432-A (GB)
Title: Boron addition to steel with improved recovery
IPC: C21C7/06
Filed: 1981-10-07
Abstract: An additive for introducing boron into steel comprises boron (e.g. ferroboron powder) protectively contained within encapsulating material (e.g. an elongate steel tube) which is capable, when the additive is introduced into molten steel, of releasing the boron into the molten steel, without having a deleterious effect on the steel; the additive also includes aluminium (e.g. as aluminium powder) in such a form that, when the additive is introduced into the molten steel, aluminium is released into the steel and so protects the boron from oxidation. Preferably, the aluminium to boron weight ratio is in the range from 5:1 to 20:1. When the additive is introduced into molten steel in a continuous casting operation, it allows boron to pass into the steel with high and predictable levels of boron recovery; the aluminium serves as an anti-fading agent and can advantageously also provide grain refining, without excessive amounts of aluminium being employed.
Patent GB-2088103-A (GB)
Title: Memory control circuit
IPC: G11B20/22
Filed: 1981-10-12
Abstract: A circuit for controlling a memory in which jitter-affected data is written at a rate commensurate with its occurrence and read out at a constant rate, includes writing and reading address counters (35, 36) to address storage locations for writing and reading operations, respectively. The writing address counter (35) is incremented at the same rate as the data is written, into the memory (32) while the reading address counter (36) is normally incremented at the constant rate. A subtractor (38) is coupled to the outputs of the writing and reading address counters to detect the difference in digital value between the storage locations addressed by the two counters. A decoder (40) is provided to detect when the difference reaches a specified upper or lower limit to cause the incremental rate of the reading address counter to decrease or increase, respectively, to prevent the memory from becoming overflowed or underflowed. <IMAGE>
Patent GB-2090377-A (GB)
Title: Valve devices and valve mechanisms
IPC: F16K11/16
Filed: 1981-12-08
Abstract: A valve mechanism comprises two valve devices (12,13) operated by a rocking beam (29). Each valve device has a fixed valve seat (18) on a common housing (11). A flexible diaphragm (14) has an aperture (25) for each valve device and normally seats on the fixed valve seats (18), closing a vacuum port (19) and opening a respective services port (21,32) to atmosphere through the diaphragm aperture (25). Tilting the rocker beam allows a plunger (23) to move under the action of a spring (26) to close off the aperture and lift the diaphragm away from the fixed valve seat. <IMAGE>
Patent GB-2089895-A (GB)
Title: Valve control of carburettor idling mixture systems
IPC: F02M3/04
Filed: 1981-12-16
Abstract: A valve 12 opens to permit idling mixture flow to downstream of the carburettor throttle valve when its actuator diaphragm 37 is subject through an inlet 15 to the suction downstream of the throttle valve which occurs at idling. At lower and higher suctions the valve cones 32, 33 engage the seats 30, 31.The inlet 15 is connected, under the control of a selector valve (20), Fig. 1 (not shown), to the carburettor induction passage by a first passage (16) having inlets (17, 18) both of which are downstream of the throttle valve when closed but one of which becomes upstream when the throttle valve is opened or to a second passage (21) opening to the induction passage inlet or the atmosphere. The selector valve may be operated by an electromagnetic or suction actuator. The valve 12 closes at overrunning and when the ignition is switched off. <IMAGE>
Patent GB-2114010-A (GB)
Title: Game apparatus
Inventor: CHILD HUBERT GORDON
IPC: A63F3/02
Filed: 1982-02-01
Abstract: The apparatus comprises a baseboard 1, a plurality of upstanding posts 2 and a plurality of playing beads 3 which are locatable upon the posts. These beads are identified by different colours and the game is played by successively placing beads onto posts to achieve a maximum number of lines of the same colour. Each bead, once played, is not subsequently moved during the game. <IMAGE>
Patent GB-2118159-A (GB)
Title: The treatment of aqueous systems
Inventor: GREAVES BRIAN
IPC: C23F11/08
Filed: 1982-04-20
Abstract: A method of inhibiting corrosion in an aqueous system comprises adding to the system a water soluble inorganic nitrite and an organic phosphonate which contains at least one carboxylic acid group and at least one phosphonic acid group the said two acid groups being attached to carbon atoms, the concentration of phosphonate exceeding 5 ppm weight per volume and the weight ratio of nitrite to phosphonate being from 90:10 to 5:95.
Patent GB-2101798-A (GB)
Title: Electric cable
Inventor: DENCH GODFREY REGINALD MORGAN
IPC: H01B9/00
Filed: 1982-04-22
Abstract: A torque-balanced multi-core electric cable suitable for suspending vertically or in a catenary curve in a length of at least 1,000m comprises a flexible tensile member 1, cores 2 laid up in at least one layer around the tensile member and a protective layer comprising a binding layer 3 of helically wound tin- bronze tape and a serving layer 4 of helically lapped polypropylene tape. The tensile member 1 comprises aromatic polyamide filaments 6 of high tensile strength so arranged that each filament lies substantially parallel to the axis of the cable. The cable may incorporate an optical fibre. Where the cable is intended for use under water, preferably it has no overall water proof sheath but each core includes its own water-impermeable wall. The central tensile member 1 takes the tensile load and, by so doing, resists any tendency for the cable to twist and become tangled as a result of any inherent torque in the cable. <IMAGE>
Patent GB-2099275-A (GB)
Title: Feeding troughs; animal cages
IPC: A01K1/015
Filed: 1982-05-18
Abstract: A feed trough 7 is detachably mounted on the floor of an animal cage, said floor comprising perforated slats 1, the trough having at one end a pair of hook-like feet 8 adapted to hook around one longitudinal side of a slat, and towards the other end a depending boss 10 adapted to enter a slat perforation 3 in which it is secured by means such as a locking pin 11. The slats are preferably of aluminium and U-shaped in cross-section, one of the flanges 13 being formed with recesses 12 to receive the feet of the troughs. <IMAGE>
Patent GB-2130814-A (GB)
Title: Insulation displacement contact combined with socket for pin
Inventor: CURRY JOHN JAMES
IPC: H01R13/11
Filed: 1982-10-11
Abstract: An insulation displacement socket (10) comprises an insulation displacement first portion (14), and a second portion secured in a hole (32) in a board (12) and removably receiving a pin (P), e.g. a pin of an integrated circuit or other component. The second portion (18) comprises three integral resilient fingers (40) to engage the pin (P). <IMAGE>
Patent GB-2131567-A (GB)
Title: Integrated optic arrangement
Inventor: BONE MICHAEL CHRISTOPHER
IPC: G02F1/03
Filed: 1982-10-22
Abstract: An optical signal with optical frequency fc is applied to an electro- optic device (3) having drive electronics (2) employing sinusoidal electrical signals of frequency f0 and 2f0. The output of the device (3) is frequency upshifted to (fc + fo) or downshifted to (fc - fo) in dependence on electrical phases. The electro-optic device (3) includes three waveguide arms (6, 9, 12; 6, 10, 12; 7) of substantially identical optical length; EA and EB include sinusoidal signals of frequency f0, substantially in quadrature, whereas EC includes a sinusoidal signal of frequency 2f0. The basic device comprises an optical single sideband modulator, and it can be employed in a frequency division multiplexing optical communication system (Figs. 13 and 14). By adding a fourth (reference) waveguide arm (Fig. 6 or 7) it can be employed in an optical phase shifter (Fig. 10) or an optical phase or frequency modulator communication system (Fig. 11 or Fig. 12). <IMAGE>
Patent GB-2113650-A (GB)
Title: A remote manipulator
Inventor: SCHREDER RENE
IPC: B25J9/04
Filed: 1983-01-05
Abstract: A remote manipulator comprises a support component having a first axis, an arm (2) pivoted to the support component and movable in a plane which passes through the first axis, the arm having a second axis (8), a forearm (5) pivoted to the arm and movable in a plane which passes through the second axis, and a tool located at the end of the forearm, wherein rotation of the forearm (5) about its joint (6) with the arm is controlled by a first bevel gear (20) whose axis is perpendicular to the axis of the joint (6) and which is made to rotate by a motor located inside the arm, the first gear (20) meshing with a second bevel gear (21) which rotates freely about its axis and is coaxial with the axis of the joint (6) the second gear (21) meshing with at least one third bevel gear (22) which is identical to the first bevel gear (20) and whose axis is perpendicular to the axis of the joint (6) and which rotates freely on its shaft which shaft is made fast to the forearm (5) and stationary with respect thereto, the third gear (22) meshing with a fourth gear (27) which is stationary relative to the arm (2) and is coaxial with the axis of the joint (6), its teeth being identical to those of the second gear (21). <IMAGE>