baber/WOPTO huggingface dataset:
Patent GB-712898-A (GB)
Abstract: 712,898. Friction gearing. SNELL, A. C. E. Jan. 14, 1952 [Oct. 13, 1950], No. 25094/50. Class 80 (1) [Also in Group XXXVIII] In a manually-actuated sound magnifying device incorporated in a megaphone, a voiceactuated diaphragm 5 is connected by levers 7, 9 to a rocker having arms 12, 13 bearing upon spools or balls 17 contacting pads 18 of cork or polyvinyl chloride on a two-limbed spring-steel member 21 connected to the output diaphragm 24. The pads 18 engage a glass disc 29 driven by a rubber wheel 36 rotated by a handle 37 or by a ratchet and lever arrangement. Vibration of the diaphragm 5 varies the pressure of the spools 17 on the pads 18 so varying the frictional forces between the disc 29 and the pads to produce amplified vibrations of the diaphragm 24.
Patent GB-774205-A (GB)
Abstract: 774,205. Rotary pumps. SALLOT, L. E. July 28, 1954 [July 28, 1953], No. 22023/54. Class 110 (2). [Also in Group XI] A device (see Group XI) for supplying a mixture of air and atomized fuel to a burner comprises a gear pump and a vane pump mounted within a common casing, the stator 3 of the vane pump having a channel 12 which receives fuel from the gear pump and air from an annular chamber 7 in an end-plate 4 of the vane pump and discharges the mixture into the vane pump. Air enters the chamber 7 through an annular gap between a cover 8 for the chamber and the driving-shaft 1 for the pumps and is filtered by a pad 9 in the chamber. The vane pump is inserted between the end-plate 4 containing the air chamber 7 and a further end-plate 5 and its rotor 2 is disposed within its stator 3 and comprises three vanes 19 of part-cylindrical section slidably received in three radial slots. The inner ends of the vanes abut a resilient ring 20 freely mounted in a cylindrical recess in the rotor. Small pockets 26 for the collection of impurities are provided in the outer surface of the rotor. The rotor is secured to the shaft 1 by a resilient tubular pin 22. During non- operation fuel in the vane pump drains into the air chamber 7 through channels 28 in the rotor and through a channel 27 in the end-plate 4. The gear pump is disposed between the endplate 5 and a cover-plate 15 and comprises two toothed discs 23 actuated by a reducing pinion 24 secured to the end of the shaft 1 and located in the output chamber of the gear pump. Fuel is delivered to the gear pump through a port 16 in the cover-plate 15 and is discharged through a bore 18 in the end-plate 5 and a duct 11a in the stator of the vane pump to the mixing channel 12.
Patent GB-2004251-A (GB)
Title: Packaging container having rounded edges
IPC: B65D65/40
Filed: 1978-09-12
Abstract: A packaging container made from corrugated cardboard has rounded edges 5 preferably having a radius of curvature of more than about 12 mm which edges 5 are achieved by a plurality of incisions 7 or other weakening deformations in the back of the corrugated board forming the inner liner of the body 2 of the container. Weakening is preferably effected by lines of slits 7. <IMAGE>
Patent GB-2006762-A (GB)
Title: Chroman Derivatives
IPC: C07D311/58
Filed: 1978-10-02
Abstract: Chroman derivatives of the formula (I):   <IMAGE> and pharmaceutically acceptable salts thereof (wherein the carbon atom marked with an asterisk is in the same configuration as that in (-)-2,2- dimethyl-7-hydroxy-4-(3- trifluoromethylphenyl)chroman and wherein X is an alkylene group of 2- 4 carbon atoms; R1 is a hydrogen atom or a C1-4 alkyl group and R2 is a C1-4 alkyl group or is joined to R1 so that NR1R2 is a 5- or 6-membered saturated ring; and R3 is a hydrogen, fluorine, chlorine, bromine, methyl, methoxyl or trifluoromethyl group) possess useful anti-depressant and anorexic activity. The compounds I may be prepared by introduction of the -X-NR1R2 group.
Patent GB-2006377-A (GB)
Title: Clutch Release Bearing Assembly
IPC: F16C27/04
Filed: 1978-10-04
Abstract: A self-aligning clutch release bearing assembly comprises a bearing (16) having a rotary race (23) which, in use, engages with the diaphragm spring fingers (25) of a clutch, and a non-rotary race (15) which is mounted on a support (10) in a manner that permits the bearing (16) to move transversely of the rotary axis of the bearing assembly. This movement is controlled by a layer of viscous material interposed between the support (10) and the non-rotary race (15) and which exhibits some resilience, and also up to a given value resistance to plastic flow so that the viscous material locates the non- rotary race (15) but allows it to move to achieve self-alignment on operation of the clutch in use. <IMAGE>
Patent GB-2035675-A (GB)
Title: Electron guns
IPC: H01J29/48
Filed: 1978-11-28
Abstract: An electron gun usually has at least one cathode having an electron emissive coating, a forward element and a plurality of electrodes interspaced between the cathode and the forward element, the electrodes and forward element each having at least one aperture, corresponding apertures being coaxial and defining passageways for streams of electrons from the cathode. The beam passageways unavoidably form conduits for high velocity gas when the gun is in a narrow neck of a television picture tube evacuated via the neck. To avoid this the gas flow is reduced and perturbed in the region of the cathode to suppress erosion of the cathode coating by providing additional apertures in the electrodes or providing gas deflecting elements.
Patent GB-2023843-A (GB)
Title: A capacitive load cell
IPC: G01G3/00
Filed: 1979-05-25
Abstract: A capacitive load cell comprises a body of ceramic material, the body having substantially rigid outer arms 13, 14 and a relatively flexible central arm 16. The central arm 16 on opposed faces conductive layers 26, 27 and the outer arms 13, 14 have inserts 36, 37 clamped thereto, the inerts being formed thereon conductive layers 33, 34 which co-operate with the layers 26, 27 capacitively. Means are providing for applying a load to the central arm 16 to flex the same and thus change the spacing between the layers to provide a capacitance corresponding to the load. The two capacitors formed by the layers each act as a frequency determining element in a different oscillator.
Patent GB-2022173-A (GB)
Title: Earth grader
IPC: E02F3/76
Filed: 1979-05-29
Abstract: A blade positioning apparatus for use in motor graders that allows the operator to easily control the elevation, transverse inclination, and position of the scraper blade beneath the machine. The apparatus comprises a transverse beam 30 pivotally mounted, as at 102 to the upper surface of the support frame @ of the grader to allow partial rotation of the beam 30 about the main frame. Two double acting hydraulic lift cylinders 34 are spaced laterally of the main frame and are universally supported by the transverse beam 30, and also connected to the drawbar 8 of the grader. The drawbar 8 rotatably supports the scraper blade, and is swivelably fastened to the forward end of the grader by a ball and socket joint. A hydraulic shift cylinder 42 is secured between the drawbar and the transverse beam, and a releasable lock mechanism, e.g. a lock pin 126-see Fig. 8, secures the beam member at selected adjusted positions relative to the support frame. When the beam member is locked relative to the support frame, the hydraulic shift cylinder is used to laterally shift the drawbar beneath the support frame and the hydraulic lift cylinders are used to control the elevation and inclination of the scraper blade relative to the ground. The hydraulic shift cylinder is also used when the lock mechanism is released to rotate the transverse beam about the midpoint of the beam to a selected adjusted position. <IMAGE>
Patent GB-2026149-A (GB)
Title: A lamp with a reflector flexibly coupled to a lens
IPC: F21V17/00
Filed: 1979-07-19
Abstract: A lighting arrangement such as a motor vehicle headlight comprises an adjustable reflector (1) supporting a light bulb (8) and a lens (7) fixedly mounted on the structure so that the reflector is movable relative to the lens. The reflector is connected to the lens by a flexible sleeve (6) which permits the adjustment and hermetically seals the inner surface of the reflector. <IMAGE>
Patent GB-2057973-A (GB)
Title: Input system for sino-computer
IPC: B41J3/01
Filed: 1979-09-04
Abstract: An input system for Sino-Computer characterized by dividing the Chinese characters into six basic strokes, i.e. horizontal, vertical, dot, dash, clockwise and counter- clockwise, and giving each kind of stroke a corresponding designated numerical symbol, thereby, according to the exact stroke writing sequence of any character to give each character a spelling number to represent the character, to facilitate and simplify the input operation.
Patent GB-2059786-A (GB)
Title: Condenser for isolating solid substances from a vapour and gas mixture and pulps in the production of rare-earth metals by chlorination
IPC: C01G1/06
Filed: 1979-10-02
Abstract: A condenser for isolating solid substances from a vapour and gas mixture and pulps in the production of rare-earth metals e.g. titanium by chlorination comprises a casing (1) accommodating a rotary drum (4), two vertical protrusions adjoining the outer surface of the drum in such a manner that the drum and the protrusions form a vertical transverse partition wall, so that the interior of the casing defines a U-shaped space. The condenser has a pipe (8) for the admission of a vapour and gas mixture, a pipe (9) for the admission of a pulp that does not contain rare-earth metals, a pipe (10) for the discharge of the vapour and gas mixture cleaned from solid substances, a pipe (11) for the removal of solid substances, a pipe (12) for feeding a pulp containing rare-earth metals to the drum, and a pipe (20) for removing solid substances containing rare-earth metals from the drum. <IMAGE>
Patent GB-2060758-A (GB)
Title: Fastening for windows and the like
IPC: E05B65/08
Filed: 1979-10-15
Abstract: A fastening, particularly for use with sliding window sashes having frames of aluminium or its alloys, comprises a body 12 mountable on a sash and fitted with a first-order lever 10 with a hooked end 10a to hook into a keeper 16 on a relatively movable sash. A slider 11 is biased by spring 14 to a position in which end 11c engages lug 10c to hold lever 10 in the fastened position. Spring 13 urges the lever to the unfastening position. The lever, slider and body can all be formed from extruded bar of appropriate cross-section and so may be coloured, e.g. by anodising, to match the sash frames. <IMAGE>
Patent GB-2045814-A (GB)
Title: Controls for winding the yarn and forming the cop in self acting spinning machines
IPC: D01H3/00
Filed: 1979-11-13
Abstract: In a device for controlling the false turn unwinding, layer-formation, winding and entire cop formation stages An actuator, such as a pneumatically operated cylinder-piston system (20), positions at each working cycle, in a manner which is progressively variable in accordance with the progress of the cop formation but at a constant pressure, the faller (8) provided for guiding the yarn on the cop during the winding stage, the actuator being able to be deactivated during all other stages; there being provided a cam (19) of special contour for guiding the faller during winding of the yarn length at each working cycle, and of which the action - added to the action of said actuator - affects the faller; a chain (10) being acted upon both by said actuator and by the cam, one of the actions being one of traction and the other being one of deviation of the trajectory of said chain, which thus acts on the faller. <IMAGE>
Patent GB-2044789-A (GB)
Title: Magnetic recording medium
IPC: G11B5/706
Filed: 1980-03-20
Abstract: The recording medium includes a base material having a magnetic coating comprising a uniform mixture of ferromagnetic powders and a binder therefor, the powders comprising 40-80% by weight of an acicular ferromagnetic metal powder having an average particle length of 0.1-0.3  mu , and 60-20% by weight of an acicular ferromagnetic metal powder having an average particle length of 0.4-0.8  mu . Sensitivity is improved over a wide frequency range and physical properties are also improved.
Patent GB-2047946-A (GB)
Title: Process for the Encapsulation of Radioactive Wastes
IPC: G21F9/30
Filed: 1980-03-27
Abstract: Radioactive waste material, particularly radioactive ion exchange resin in the wet condition, are encapsulated in a polyurethane by dispersing the waste in an aqueous emulsion of an organic polyol, a polyisocyanate and an hydraulic cement and allowing the emulsion to set to form a monolithic block. If desired the emulsion may also contain additional filler e.g. sand or aggregate to increase the density of the final product. Preferred polyurethanes are those made from a polyester polyol and an organic diisocyanate, particularly hexamethylene diisocyanate.
Patent GB-2051311-A (GB)
Title: Multi-port control valve
IPC: F16K31/04
Filed: 1980-05-13
Abstract: A control valve for a central heating system has a rotor (118) with four parallel sets (A, B, C, D) of apertures (132) which register respectively with four outlets (113, 115, 114, 116) in the housing (110), the interior of which receives fluid through a common inlet (112). The apertures (132) are arranged to give, within one revolution of the rotor, all possible combinations of control of the outlets, from all open to all closed. A motor (130) driving the rotor (118) is controlled e.g. by a cam disc (334) with four parallel peripheral tracks of recesses (339), each track being associated with a respective microswitch (335, 336, 337, 338) which is operated by the recesses (339) of that track at the various operative positions of the rotor (118). The microswitches can be connected in a thermostatically operated control circuit to the motor to supply hot water to four independently controlled zones to be heated. <IMAGE>
Patent GB-2051010-A (GB)
Title: Closing lined boxes
IPC: B65D5/60
Filed: 1980-05-29
Abstract: A box formed from a blank and a lining sheet has two opposed lateral sides (16) of equal breadth, and closing flaps (18-21) for closing the ends of the box, the lining projecting over the flaps (18-21) by a distance of more than half the breadth of the sides and being fixed along each of two of its opposite edges to two opposed closing flaps (20, 21). The flaps (20, 21) are folded outwardly to be flush with the end of the box whereby the lining becomes folded over the box end so that those edge portions of the lining which are not affixed to the flaps will slightly overlap. The ends of the box are then closed by folding the flaps (18-25) inwardly. <IMAGE>
Patent GB-2059389-A (GB)
Title: Apparatus for forming and removing packs of bags
IPC: B31B50/98
Filed: 1980-07-11
Abstract: A slider (7) consisting of at least one finger is received by one or more peripheral grooves (2.1) of the delivery cylinder (2) of a bag-making machine and is controlled by a control device to move out of the groove in step with the delivery of bags on a receiving deck (3) in the number required for a pack to be removed, and to such an extent that the next following bag delivered to the receiving deck is received between the slide finger and the delivery cylinder. The slider is guided to a movable approximately radially with respect to the delivery cylinder against a force urging the slider towards the delivery cylinder. When the slider is retracted from the cylinder a gripper (5) moves into the gap formed in the stack of bags by the slider and then lifts the pack of bags from the stack of bags delivered to the receiving deck. The slider is adapted to be retracted below the deck plane when the pack has been removed and to be advanced to re-enter the peripheral groove. <IMAGE>
Patent GB-2088578-A (GB)
Title: Splicing two overlapping optical fibres
IPC: G02B6/28
Filed: 1980-09-09
Abstract: A method of splicing together two optical fibres 1,2 useful in the field needing a minimum of (unsophisticated) equipment is required. The method consists of overlapping the end lengths of the two fibres so that they lie parallel and in contact with each other and fusing the fibres together at a mid point 37 along the overlapping end lengths, simultaneously forming a controlled kink at the point of fusion. Preferably the kink is controlled to give each end length two bends, each of between 0 DEG  and 90 DEG  and the two bends being of opposite sense. The splice may be coated in a low refractive index coating to minimise external radiation loss and may be strengthened by encapsulation in a metal coating or by securing the two fibre ends 38,39 with adhesive. <IMAGE>
Patent GB-2075630-A (GB)
Title: Rod assembly for a hydraulic shock absorber
IPC: F16C7/00
Filed: 1980-12-31
Abstract: A hydraulic shock absorber assembly comprises a piston rod 3 connected at one end to a piston working in a cylinder 2 and at the other end to a fixture 4 for connection to a vehicle axle. The fixture 4 is screwed on to an external thread on the end of the piston rod 3 and is held by a lock nut 7 having an unthreaded cylindrical portion 11 extending over an unthreaded portion of the piston rod and press- fitted thereto so as to transfer the maximum bending moment to a point on the unthreaded portion of the piston rod 3, thus greatly improving the durability of the assembly. <IMAGE>
Patent GB-2093045-A (GB)
Title: Letting down high pressure polymerization systems
IPC: B01J3/00
Filed: 1981-02-04
Abstract: In the event of a dangerous pressure build-up inside a polymerization reactor, a relief device, such as a rupture disc, bursts allowing gaseous reaction mixture into a stack. Water is then released from a vessel into the stack under pressure of a gas or vapour stream, said gas or vapour stream being connected to the water-containing vessel in response to the pressure rise in the stack resulting from the opening of the relief device. The stack may also be watered and purged with inert gas to discourage thermal decomposition of the reaction gases.
Patent GB-2077615-A (GB)
Title: Fluidised bed heat exchangers
IPC: F28D13/00
Filed: 1981-05-29
Abstract: A fluidised bed heat exchanger comprises a main fluidised bed chamber 13 containing fluidisable material 15 and one or more secondary fluidised bed chambers 18 containing fluidisable material 19, the secondary fluidised beds being surrounded by the main fluidised bed. Heat from the main bed is transferred to the secondary fluidised bed or beds so as to heat the fluidising gas, usually clean air, of the secondary bed or beds. Hot waste gases may be used to fluidise the main bed. <IMAGE>
Patent GB-2104839-A (GB)
Title: Providing cellular core structures with fillets of adhesive
Inventor: HULLAH ANDREW STEPHEN
IPC: B29D24/00
Filed: 1981-08-29
Abstract: Fillets of adhesive are formed on the edge sections of a honeycomb core by contacting a film adhesive with the edge sections and heating the assembly at an angle of 75 DEG  or less with the horizontal until the adhesive melts sufficiently for it to adhere to the core, but insufficiently for it to flow, then, with the core at an angle of 60 DEG to 90 DEG  to the horizontal plane, heating it further to such a temperature and for such a period that the adhesive film flows around the cell edges and forms fillets. Honeycomb treated in this way may then be faced with porous sheets to form porous constructional elements.
Patent GB-2089152-A (GB)
Title: Frequency-modulated signal demodulating circuit
IPC: H03D3/06
Filed: 1981-10-13
Abstract: A frequency-modulated signal demodulating circuit comprises a multiplying circuit supplied with an input frequency-modulated signal as one input signal, and a bandpass filter supplied with the input frequency-modulated signal, for supplying a signal passed through the bandpass filter to the multiplying circuit as another input signal. The bandpass filter has a filtering frequency band characteristic II covering a frequency band of the frequency-modulated signal including side bands, and a frequency versus phase difference characteristic IV wherein the phase difference between input and output signals at a specific frequency f0 within the frequency band of the frequency-modulated signal is approximately 90 DEG , and the sign of the phase difference is reversed at frequencies below another specific frequency f1 lower than the specific frequency. The demodulating circuit has a frequency versus demodulated output characteristic VI having a bend at the other specific frequency f1. <IMAGE>
Patent GB-2094553-A (GB)
Title: Operating lever assembly for electrical switch
IPC: H01H9/12
Filed: 1982-01-11
Abstract: In an operating lever assembly for an electrical switch of the kind having a metallic operating lever 11 formed with a part spherical fulcrum portion 19 which is located in a recess 18 within a metallic housing 10 by a pair of spaced resilient 'O' rings 20, 21 a pair of generally parallel electrically conductive resilient strips or wires 30 engage opposite sides of the operating lever 11 or an electrically conductive extension thereof, so as to extend in a direction perpendicular to the pivotal axis of the operating lever 11 and are electrically connected to the metallic switch housing 10 whereby the switch housing 10 and the operating lever 11 can be earthed when the housing 10 is mounted on a metallic panel 16. <IMAGE>
Patent GB-2110443-A (GB)
Title: Well-logging
Inventor: MORE HENRY SANCTUARY
IPC: E21B47/18
Filed: 1982-01-12
Abstract: The accuracy of well logging data transmitted from a downhole location to the surface of the earth is verified by generating the data at the downhole location, storing the data in a subsurface assembly in the well, transmitting signals corresponding to the data to the surface through a first transmission system while keeping the data stored in the subsurface assembly, and recording the signals transmitted to the surface through the first transmission system. Thereafter, the subsurface assembly is transferred to the surface, and signals corresponding to the stored data are transmitted through a second transmission system from the assembly to an electronic processing system. The signals transmitted through the second transmission system are then compared with the signals transmitted through the first system. To increase the effective transmission rate of data from the downhole location to the surface, a first set of signals corresponding to the magnitude of a downhole condition as a function of time during a discrete time interval are generated and transmitted through a first transmission system to computer means at the downhole location. The first set of signals are analyzed in the computer to determine properties of the function selected from the group consisting of mean value, positive and negative peak values, standard deviation value, and fundamental and harmonic frequencies and amplitudes. A second set of signals corresponding to the selected values are generated and transmitted to the surface through a second transmission system.
Patent GB-2093859-A (GB)
Title: Granulating coal particles
IPC: C10L1/32
Filed: 1982-02-04
Abstract: A process comprising the steps of adding to a slurry of coal particles in water a liquid oil mixture of a low- boiling hydrocarbon oil and a high- boiling hydrocarbon oil soluble in the low-boiling hydrocarbon oil and in the form of a solid or paste at room temperature. The coal particles are granulated in the water with use of the oil mixture as a binder, the resulting coal granules containing the oil mixture are separated from the water, and the coal granules containing the oil mixture are heated to evaporate the low-boiling hydrocarbon oil. This process gives an oil-containing granular coal composed of the coal particles and the high- boiling hydrocarbon oil in the form of a solid or paste at room temperature.