baber/WOPTO huggingface dataset:
Patent GB-1256399-A (GB)
Title: Convergence means for a color cathode ray picture tube
IPC: H01J29/51
Filed: 1969-12-24
Abstract: 1,256,399. Colour television tubes. SONY CORP. 24 Dec., 1969 [30 Dec., 1968], No. 62899/69. Heading H1D. In a colour television tube employing three coplanar convergent electron beams which are scanned magnetically over the screen, the two outer beams are shielded by magnetic screening means from leakage flux from the horizontal deflection field in order to correct for deviations between the rasters of the beams on the screen. When the coplanar beams diverge from a common focusing lens and are converged by pairs of deflection plates P and Q, Fig. 5, the screening means may comprise shielding strips Y attached to the ends of the outer plates Q and provided with inwardly extending ends 61 and 62. These shield the outer beams B B  and B R  from leakage flux from the horizontal deflection field (the lines of force of which are vertical in Fig. 5) but not the central beam B G  and thereby compensate for the different effects of the main horizontal deflection field on the beams due to their differing paths through the field.
Patent GB-699433-A (GB)
Abstract: 699,433. Automatic control systems. BENDIX AVIATION CORPORATION. Jan. 15, 1952 [April 16, 1951], No. 1182/52. Class 38 (iv). In a servo-system in which A.C. error and follow-up signals are not quite in phase opposition, the resulting quadrature component is eliminated, by developing an equal and opposite signal, to prevent over-heating of a magnetic amplifier associated with the servo-system. In Fig. 1 the positions of the rotors 3 of inductive device 2 are dependent on variables such as altitude or craft attitude and the algebraic sum of the A.C. signals from stators 5 is applied to a two-stage amplifier 7 including triode valves 9, 11, the output of which is applied to the grids of triode valves 15, 17. The anodes of valves 15, 17 are supplied in anti-phase through a transformer 25 from an A.C. source S in phase with the source which supplies rotors 3 of inductive devices 2 so that one or other of valves 15, 17 is rendered conductive according to the phasesense of the resultant signal from stators 5. This results in saturation of one or other of saturable transformers 35, 33 so that secondary windings 41 which are normally balanced produce a resultant output which is applied to the variablephase winding 43 of a servomotor 45 to cause the latter to run in the appropriate direction to reduce the input to amplifier 7 to zero by adjustment of rotor 53 of an inductive device 51, the stator 55 of which is connected in series with stators 5. If the outputs of inductive devices 2 or 51 are slightly out-of-phase the quadrature component of their resultant output, which is not eliminated by servomotor operation, may cause overheating of transformers 33, 35. This component is detected by triode valves 63, 65 to the grids of which the output of amplifier 7 is applied and the anodes of which are supplied in anti-phase through a transformer 73 from an A.C. source S<SP>1</SP> in phase quadrature with source S. One or other of valves 63, 65 is thus rendered conductive according to the phase-sense of the unwanted quadrature component and this results in the saturation of one or other of saturable transformers 81, 79 so that secondary windings 87, which are normally balanced, produce a resultant output, across a resistance 89 connected in series with stators 5, 55, which is equal and opposite to the unwanted quadrature component. In one modification resistance 89 is replaced by a servomotor driving a further inductive device and in a similar modification the saturable transformers are replaced by thermal relay devices arranged in a bridge circuit.
Patent GB-2003568-A (GB)
Title: Side branch insertion in pipes
IPC: F16L41/14
Filed: 1978-08-30
Abstract: A side branch or ferrule for a pipeline or container includes a seal 4 on the body 1 of the side branch to seal the side branch to the pipeline, and a deformable olive 5 engaging the interior wall of the pipeline 8 to clamp the pipeline between the olive and a nut 2 on the side branch body. The deformable olive enables the use of one side branch with pipelines of differing diameters and/or wall thicknesses. The side branch may be fitted to pipeline or container by a side branch insertion machine or manually, and the pipeline or container can be either pressurized or unpressurized. <IMAGE>
Patent GB-2005932-A (GB)
Title: Power supply arrangement
IPC: H02H9/00
Filed: 1978-09-01
Abstract: In a power supply arrangement for measuring apparatus that includes a measuring unit 5 and a battery 1, for use in an atmosphere in which there is a risk of explosion, the battery 1 is releasably connected to terminals 4 of the measuring unit via a magnetically- controlled switch 2 and via an adjustable electronic current-limiting arrangement 3. A magnet 6 is arranged in the measuring unit, on the side opposite the switch, this magnet being arranged to close the switch only in the state where the battery is plugged in to the terminals of the measuring unit, while the switch remains open in the state where the battery is not plugged in to the terminals. A diode 7 is connected in parallel with the switch and the adjustable current-limiting arrangement to allow the battery to be charged. <IMAGE>
Patent GB-2004352-A (GB)
Title: Automatic shut-off valve
IPC: F16K17/40
Filed: 1978-09-12
Abstract: The valve for use in a fuel line is normally in an open position but automatically shuts off the fuel line in the event of a rise in ambient temperature in the vicinity of the valve. The valve includes a valve member 27 for co- operation with a valve seat 15, biasing means 29 biasing the valve member towards a position in which it engages with said seat and fusible means to hold the valve member against said spring bias and in an open position, said fusible means preferably comprising a sleeve 41 which holds a plurality of detent balls 43, that are located in radial passages in a housing 31 for a stem 35 of the valve member, in engagement with a circumferential groove 45 in the valve stem, breakdown of the sleeve as a result of rise in temperature beyond a predetermined value allowing said balls to move radially outwards out of engagement with said groove so that the biasing means will move the valve member into engagement with the valve seat. <IMAGE>
Patent GB-2006463-A (GB)
Title: Holographic one tube goggle
IPC: G02B27/02
Filed: 1978-09-29
Abstract: There is disclosed a goggle design suitable for night viewing or low ambient light viewing and which allows both eyes to view a single transformed image source which may, for example, be an infrared image transformed to a visible wavelength image output from an image intensifier tube 24. The single image source output is split by means such as a beam splitter 30 and a mirror 31. Each offsplit image is seen by one eye through its own holographic lens 21a,b or equivalent optical element which may be mounted on a viewing plate positioned in the user's normal line of sight. The user is thus able to see not only the transformed image but also that image superimposed upon the natural scene image viewed with available ambient light. <IMAGE>
Patent GB-2020547-A (GB)
Title: Dartboard
IPC: F41J3/00
Filed: 1978-10-13
Abstract: A dartboard having a body with a front playing area and a rear wall 1A is supported against a room wall by a spider member which has a central hub portion secured to the rear wall of the dartboard at the centre and at least three radially outwardly extending arms 7 of the spider each having, at a location spaced from the hub portion, a rearwardly projecting button 8 to hold the rear wall of the dartboard away from a wall surface. The hub portion is engageable in a slot in a wall bracket to support the dartboard. <IMAGE>
Patent GB-2006879-A (GB)
Title: Energy Conversion Plant
IPC: F03B13/14
Filed: 1978-11-09
Abstract: The plant comprises a turbine drivable from a flow of gas or a compressor for producing a flow of gas and means for deriving the flow of gas from a flow of water or a flow of water from the flow of gas wherein the gas and the water coact at a surface directly or via a diaphragm. The head of water may be produced by a dam, a section of which is formed with cells 3 each of which is in communication through openings 5 and 7 having doors 9 with the regions on each side of the dam. There are provided inflatable membranes for opening and closing the doors 9 in timed relation, conduits 12 to allow air or other gas to flow into or out of the cells to or from the turbine or compressor, inflatable membranes 13 arranged to regulate the flow of gas, and means controlling the membranes so that the water level in each cell alternately rises and falls and gas is supplied substantially continuously to the turbine. <IMAGE>
Patent GB-2011567-A (GB)
Title: Anchoring bolts
IPC: E21D20/02
Filed: 1978-12-14
Abstract: An anchor bolt fastening device 10 comprises an elongate portion B with at least one longitudinally extending, open channel 12 provided in its periphery. An externally screwthreaded, elongate portion G is longitudinally contiguous with the first portion B. In use, the portion B is securable in a hole 11, drilled in a member V in which the device is to be fixed, by a hardenable bonding material injected through the channel 12 which with the adjacent wall 11a of the hole 11 defines a substantially closed duct for the bonding material. Alternatively the portion B may be of polygonal or oval in cross- section, both solid and hollow, Figs. 2b, 3b, with an apertured 16, 19 end disk (15) sealing the bolt to the mouth of the hole 11. In use, the duct for the bonding material is defined by at least one side wall of the portion B and the adjacent wall of the hole. <IMAGE>
Patent GB-2010321-A (GB)
Title: Manufacture of lube base stock oil
IPC: C10G67/04
Filed: 1978-12-20
Abstract: Lube base stock oil of pour point -25 DEG F to +30 DEG F and excellent stability is produced from a deasphalted short residium fraction by solvent refining to remove aromatic hydrocarbons, catalytic dewaxing over a shape selective zeolite catalyst having a silica/alumina ratio of at least 12 such as zeolite ZSM-5 and hydrotreating the dewaxed oil at 425-600 DEG F using a catalyst having a non-acidic support, such as cobalt molybdate or nickel molybdate on alumina.
Patent GB-2012934-A (GB)
Title: Laundry Dryer
IPC: D06F58/38
Filed: 1978-12-21
Abstract: An equipment is disclosed for the control of the degree of mean dryness of pieces of laundry in a heated drying device 2, preferably in a drum drier, with sensing electrodes (4, 6), which are connected in parallel to an electrical capacitor (7) and against which the pieces of laundry to be dried fall at irregular intervals during the drying process. A charging resistor (23) is connected in series with the capacitor (7) for charging the capacitor. A voltage discriminator circuit (8) is connected to the capacitor (7) and effects the switching-off of the drier heating on the voltage at the capacitor (7) attaining a threshold value. An electrical switch (16) is connected in series with the charging resistor (23). Additional electrodes (4, 5) are arranged apart from the sensing electrodes (4, 6) in the drying device (2) and the switch (16) connects the capacitor (7) to the charging resistor (23) on contact with the laundry to be dried by way of the additional electrodes (4, 5). Alternatively, a switching equipment (not illustrated) delivering a signal on the detection of current flow by way of the sensing electrodes (6, 4) is provided in place of the additional electrodes (5, 4) to control the switch (16). <IMAGE>
Patent GB-2039503-A (GB)
Title: Flame retardant thermoplastic compositions
IPC: C08K5/42
Filed: 1979-01-18
Abstract: A flame retardant thermoplastic composition comprises an aromatic organic sulfonate flame retardant additive in admixture with polyarylsulfones, polyarylethersulfone or polyphenylsulfides, or with blends of these polymers with one another and/or with polyarylene-carbonates and/or with acrylonitrile-butadiene-styrene copolymers (ABS). In Examples the sodium salt of trichlorobenzene sulphonic acid is added to a polyarylsulfone, a polyethersulfphone, a blend of a polyarylenecarbonate and a polyphenylsulphide and blends of polyarylenecarbonate and polyarylethersulfones. The composition may additionally contain an organic halogen-containing flame retardant additive.
Patent GB-2014844-A (GB)
Title: Invalid Chair
IPC: A61G5/14
Filed: 1979-02-20
Abstract: An invalid chair has a seat divided into a central saddle portion (11b) and a leg supporting portion (12a). The saddle portion (11b) is rigidly connected with a backrest (13) having two arm rests (14, 15). The leg supporting portion (12a) is pivotally connected at its front edge to a base frame (28, 29) of the chair and at its rear edge to parts rigid with the backrest (13), and a linkage 34, 38 is provided so that when the seat is raised by a power-operated mechanism (18, 18a, 19), the saddle portion (11b) is separated from the leg supporting portion (12a) and lifts a person sitting on the saddle portion (11b) with his hands on the armrests (14, 15) until the legs of the person are substantially straightened as the person's feet remain resting on the ground. <IMAGE>
Patent GB-2027507-A (GB)
Title: Pipe aligning devices
IPC: F16L23/00
Filed: 1979-03-14
Abstract: A device for bring together into alignment two flanged pipes is intended to engage in bolt holes of flanges of the pipes and to pull the pipes towards each other and into alignment. A guide member 17 incorporates centralising members 18 and 38 for engaging in and aligning bolt holes 15 and 16 and also incorporates a tapered lead-in portion 37 for bringing the flanges into alignment. The two flanges are driven together by means of a hydraulic piston and cylinder assembly 24 mounted between an abutment 26 on the guide member and an abutment 34 bearing against one pipe flange. <IMAGE>
Patent GB-2019882-A (GB)
Title: Method of obtaining upgraded fuels from coal
IPC: F01K3/18
Filed: 1979-03-27
Abstract: A suspension of ground coal in water is heated to above the critical temperature of the water and then allowed to violently expand; the extract is entrained with the steam leaving a residual coal from which ash has been partially separated.
Patent GB-2050902-A (GB)
Title: Cooling wire during wire drawing
IPC: B21C9/00
Filed: 1979-05-08
Abstract: Direct cooling of drawn wire is achieved by surrounding the wire downsteam of the drawing die (19) with a column of coolant that flows helically around the wire. A two-part shroud (7a, 7b) is removably fitted to a cup (16) defining coolant passages (24) against the backface (21) of the drawing die (19). The tangential disposition of the passages (24) relative to the through bore (22) of the shroud provides a helical motion to the coolant in the shroud about the wire. <IMAGE>
Patent GB-2050978-A (GB)
Title: Rotary assembly, particularly a helicopter tail rotor
IPC: B64C27/82
Filed: 1979-05-24
Abstract: A rotary assembly such as a helicopter tail rotor has pitch links (14) for controlling the pitch of blades (4). The pitch links (14) rotate with the assembly and are parallel to but spaced from the rotary axis. Consequently there is a high centrifugal force on the pitch link, which can lead to rapid axial wear in a bearing (32) at the blade end of the link (14). In accordance with the invention, the other end of the link (14) is connected resiliently to the rest of the assembly and applies a preload force at the blade end of the link (14). This preload force wholly or partly cancels the load resulting from centrifugal force when the assembly rotates, so increasing the life of the bearing (32). The resilient connection may be provided by an elastomeric coupling (24) received in a misaligned hole in the pitch link (14). <IMAGE>
Patent GB-2031118-A (GB)
Title: Fluid flow control valves
IPC: B60W30/18
Filed: 1979-07-18
Abstract: A pressure responsive, fluid flow control valve, particularly for a truck gear box shifter, for controlling flow of one fluid such as air in response to the pressure of another fluid such as liquid. The valve comprises a body 12 with a longitudinal passage 14 containing a valve seat 34 cooperating with a ball valve 36 to control communication between an inlet 18 from an air source 20 and an outlet 24 to the gear box shifter. The position of the ball valve is controlled by a rod 58 the position of which is controlled by a spring 70 and the pressure of the hydraulic fluid in the clutch slave cylinder applied to a piston 50. When the ball is seated on the seat the gear box shifter is vented through passages 60, 60' in the rod and a vent passage 26. Thus the gear box cannot be shifted except when the clutch pedal is depressed. <IMAGE>
Patent GB-2028672-A (GB)
Title: Floating structures
IPC: A63H23/10
Filed: 1979-08-13
Abstract: A floating structure (22) is formed from an assembly of identically-shaped units (23) interconnected together by adhesive, foam or rib and socket formations. Each unit (23) comprises a gas- tight skin enclosing a gas whose density is less than that of air. An alternative form of floating structure comprises at least two moulded sections joined together to form a hollow gas-tight unit filled with a gas whose density is less than that of air. <IMAGE>
Patent GB-2035050-A (GB)
Title: Underpants
IPC: A61F13/56
Filed: 1979-08-24
Abstract: Underpants suitable for use by male persons, have a front panel 3 and a rear panel joined by side seams 4, 5 and sewn at their upper margins to an elasticated waist band 6. An elongate pouch 7 for holding a fluid-absorbing pad, extends at least over a region of the underpants which will lie over the original genital area in use. The underpants also have a fly opening 17. The pouch 7 is preferably external, with an impermeable outer panel 8 to prevent leakage from the pad. The inner panel 9 of the pouch is permeable and made of a hydrophobic fabric such as polyester to keep the wearer dry and comfortable. The fly opening 17 is conveniently located at or adjacent to a side of the pouch at the front of the underpants. It may have a fastening. <IMAGE>
Patent GB-2031121-A (GB)
Title: Gate valves
IPC: F16K31/50
Filed: 1979-09-07
Abstract: A non-rising stem gate valve includes an externally threaded extension member 3 mounted at one end on the stub 1 of the valve stem; a frame 12 mounted on the valve housing 2 and including an internally threaded locking member 13 engaging with the valve stem extension member 3; and a valve handle 7 coupled with the free end of the extension member 3; the locking member 13 being movable along the extension member 3 during operation of the valve by interengagement of the respective threads such as to fit about the coupling between the handle 7 and the extension member 3 to provide interlocking therebetween unless the valve has been rotated by the handle to an open valve position. <IMAGE>
Patent GB-2061392-A (GB)
Title: Air pump pressurised container for dispensing liquids
IPC: B67D1/04
Filed: 1979-09-28
Abstract: An air pump pressurised liquid dispensing container is disclosed which comprises a volume indicator consisting of a float 11 and a spiral band 13, a temperature indicator 55 and a closure 7 for the discharge pipe 3. Up and down movement of the float, causes the spiral band 13 to turn and operate an indicator 53 moving within a scale 54 which indicates the water volume in the pot. The closure 7 is a bulb of appropriate weight at the upper terminal of the water conduit pipe 3 so that water in the pot is insulated from the external environment when the bulb closes the conduit pipe. <IMAGE>
Patent GB-2050937-A (GB)
Title: Work feed assembly or a saw
IPC: B27B25/00
Filed: 1979-10-19
Abstract: A workpiece feed assembly 2 for advancing and positioning workpieces 4 by means of a carriage driven by a motor along a guide 1 against a fixed abutment 6 for sawing by a saw blade 5 overcomes the problem of the work- pieces being jolted out of position on impact with the abutment 6 by providing a clamp 3 to secure the workpieces during positioning and sawing. Pneumatic or hydraulic cylinders 10 are also provided which come into operation when the drive motor for the carriage stops to bias the workpieces 4 against the abutment 6. In this way accurate alignment of the workpieces allows increased precision of sawing, an improvement previously achieved only by using expensive electronic positioning devices. <IMAGE>
Patent GB-2039563-A (GB)
Title: A peg for securing a mine to the ground
IPC: E02D5/80
Filed: 1979-12-18
Abstract: A peg for securing a mine M to the ground comprises a finned shaft having a pointed bottom end for driving into the ground and an enlarged head 2 provided with an axial coupling bore for receiving a spigot 4 on the mine. Two diametrically opposite resilient tongues 5 project downwardly into the coupling bore for engagement behind a collar at the bottom and of the spigot. The spigot is provided with two axially extending ribs above the collar to enable the resilient tongues 5 to be displaced outwardly by rotation of the spigot and thereby to release the spigot and allow the mine to be removed from the peg. Transverse passages 6 communicating with the coupling bore are provided in the head 2 of the peg to enable trip wires to be attached. <IMAGE>
Patent GB-2065481-A (GB)
Title: Mirror for providing decorative effects
IPC: B44F1/02
Filed: 1979-12-20
Abstract: The mirror comprises a support having elongate strips 12 connected thereto and extending outwardly therefrom so as to present elongate outer support faces for reflective material, and a plurality of flat mirror pieces 13 secured to the said support surfaces. The strips may be arranged in pairs to form concentric circles as shown and may be pivotally adjustable on the support for movement between display and collapsed storage positions. <IMAGE>
Patent GB-2041181-A (GB)
Title: A flameless combustion method and a boiler utilizing such method
IPC: F24H1/00
Filed: 1979-12-21
Abstract: A boiler using flameless combustion comprises a central free space (3) supplied with a mixture of fuel and air, a mass of gas permeable heat radiating material surrounding the space (3), and a plurality of radially extending passages (5) for leading the mixture outwardly into the radiant material, there being means provided at the periphery of the central space (3) to heat the mixture to ignition temperature. At least two systems of heat exchanging surfaces (8, 9; 10, 11), are situated at different radial distances from the centre of the boiler. Header chambers (1, 2) situated at opposite ends of the boiler interconnect the two heat exchanging systems. The fuel/air mixture is supplied to the space (3) via an axial passage (6) through one of the header chambers (2). <IMAGE>
Patent GB-2068498-A (GB)
Title: Mitred frame joints
IPC: E06B3/988
Filed: 1980-01-30
Abstract: The corners of a mitred frame are secured together by a device having two plates (1, 4) each bent into shallow V-shape. One flange (3, 7) of each plate is secured (e.g. by welding) to a respective frame member (11) so that the other flanges (2, 6) are set back slightly at their roots from the corner but converge at their free ends onto the mitre line. When these other flanges are screwed together, the mitre joint is tightened. Part (5) of one flange (6) of one plate (4) may be separated and bent about the V apex to abut and be secured to the other flange (3) of the other plate (1), to prevent the frame members mutually skewing. <IMAGE>