baber/WOPTO huggingface dataset:
Patent GB-2073200-A (GB)
Title: Phosphorus substituted 4-methyloxetan-2-ones
IPC: C08K5/5373
Filed: 1981-03-19
Abstract: Compounds having the formula:   <IMAGE> wherein X is oxygen or sulphur or the moiety X is absent; and A and D are the same or different and each is hydrogen. C1-C12 alkyl, (optionally substituted by one or two halogen atoms or by a cyano, C1-C3 alkoxy, or C2-C4alkoxycarbonyl), C3-C7 cycloalkyl, C7-C10 aralkyl or a phenyl group, (optionally substituted by one or two halogen, cyano, C1-C3 alkoxy, C2-C4 alkoxycarbonyl or C1-C4 alkyl groups),  the group   <IMAGE> or a group R%O- wherein R% is hydrogen, a C1-C12 alkyl group, (optionally substituted by one or two halogen atoms), C3-C7 cycloalkyl, C7-C10 aralkyl, a phenyl group, (optionally substituted by one or two halogen atoms or C1-C4 alkyl groups), or R% is a trimethylsilyl group; or A and D together with the phosphorus atom to which they are each attached form a 1,3,2- dioxaphospholane ring or a 1,3,2- dioxaphosphorinane ring, each optionally substituted by one or more C1-C3 alkyl; and where R% is hydrogen, the alkali, alkaline earth and amine salts and partial salts thereof; with the proviso that when A is the group R%O- and X is sulphur or absent then D cannot be hydrogen or the group   <IMAGE> are useful as lubricant additives and for imparting flame retardancy to polymers.
Patent GB-2087504-A (GB)
Title: Lock washer
IPC: F16B39/24
Filed: 1981-11-09
Abstract: A lock washer has raised portions (2), with plateau-like tops (4) concavely curved to form scraper edges (5), formed on its annular surfaces. <IMAGE>
Patent GB-2115757-A (GB)
Title: Aircraft landing gear
Inventor: PATERSON ARTHUR JOHN
IPC: B64C25/40
Filed: 1981-12-14
Abstract: To rotate an aircraft landing wheel prior to touchdown, the wheel carries vanes A, B, and an adjustable screen ahead of the wheel directs air on to a selected part of the wheel such that prior to touchdown the airstream acts to drive the wheel to a speed approximating to that required at touchdown, while after touchdown the screen is moved, preferably automatically, to cause the airstream to oppose wheel rotation and assist the brakes. Tubular guides may be used in conjunction with the screen to aid in direction of the airflow. The vanes are secured to the wheel studs C, D, and to a peripheral ring for additional support. They may also be joined to one-another at the wheel centre. <IMAGE>
Patent GB-2090417-A (GB)
Title: Pressure measuring transducers
IPC: G01L19/02
Filed: 1981-12-22
Abstract: Solid state piezoresistive strain gauges are used in a single transducer to measure a static pressure at, as well as the differential pressure across for example, an orifice plate, venturi tube, nozzle or wedge. The transducer comprises a body 12, means 36,45 for applying two different pressures to the body, pressure diaphragms 26,101 sealed to the body 12 at spaced locations with a back wall of the second diaphragm forming one wall of a chamber 105 which is at a reference pressure. A compliant cantilever beam 60a is mounted at one end to the body 12. A strut wire 66 couples the beam 60a to the first diaphragm 26 to cause deflection of the beam in response to differential pressure across the first diaphragm 26. A first set of piezoresistive strain gauges on a thinned portion 90 of the beam 60a deflect therewith and show changes in electrical resistance indicative of the differential pressure applied across the first diaphragm 26. A second set of piezoresistive strain gauges 110 on the second diaphragm 101 deflect therewith whereby changes in the electrical resistance of the strain gauges 110 indicate the static (line) pressure with respect to the reference pressure. A temperature sensor 131 can be provided. The measurements of static and differential pressures, and temperature can be combined to derive mass flow rate. <IMAGE>
Patent GB-2114747-A (GB)
Title: Ruler
Inventor: MANDER KEITH ANTHONY
IPC: G01B11/02
Filed: 1982-02-16
Abstract: There is disclosed a ruler body 11 having switch controlled indicating devices arranged alongside a graduated scale 12, 13 and actuable to indicate selected and desired graduations of the scale. The devices may be light emitting diodes 16 in one to one or two to one correspondence with the graduations of the scale. The diodes 16 are encapsulated in a block 17 of coloured transparent resin from which electric leads 19 extend, and lenses 20 are formed. The ruler is particularly useful for setting the heads of a slitting and scoring machine. <IMAGE>
Patent GB-2114972-A (GB)
Title: The reaction product of maleic acid or anhydride and pentaerythritol and its use as a secondary stabilizer
Inventor: SJOGREEN CARL-AXEL
IPC: C08K5/11
Filed: 1982-02-16
Abstract: A secondary stabilizer, mainly intended for vinyl chloride polymers and consisting of a reaction product of maleic acid or maleic anhydride and pentaerythritol. The molar ratio between pentaerythritol and the acid or anhydride respectively of the reaction product is 3-4:1.
Patent GB-2116526-A (GB)
Title: Filling assembly for potatoes and other root crop planters
Inventor: CARRUTHERS JOHN
IPC: B65D88/58
Filed: 1982-03-11
Abstract: An open topped container 10 e.g. for root crops, is divided into two halves hingedly connected together at the top of the container to allow it to open into the position shown in Figure 2. Opening is controlled by two hydraulic cylinders 41, 42 acting on pivoted support frames 35, 36 for the container. Reference numeral 46 indicates the planter hopper into which the crop is discharged. Friction prevents the container slipping on the cross-bars 38, 40 of the support frames. <IMAGE>
Patent GB-2096828-A (GB)
Title: Integrated circuit connections
IPC: H01L29/06
Filed: 1982-04-14
Abstract: In an integrated circuit having isolation regions 204 which form reverse biased PN junctions with the device regions 212, the isolation regions are also used as connections to the circuit ground and are provided with more heavily doped surface regions 202 of the same conductivity type. This improves the contact and reduces the connection impedance by counteracting depletion of the surface of the isolation regions due to thermal processes, subsequent to their formation. <IMAGE>
Patent GB-2118497-A (GB)
Title: Aircraft controls
Inventor: MONK PATRICK WILLIAM CHARLES
IPC: B64C13/40
Filed: 1982-04-21
Abstract: A piston B has positive pressure from a pitot tube E applied to its upper surface and negative pressure from a venturi F applied to its velocity through the air is applied to a hydraulic transmission including a master cylinder H and a smaller diameter slave cylinder I, pivoted at J. This applies thrust along a link M pivoted at 15 to a second link N to form a toggle linkage having a neutral position P. The outer end of the link N is rigidly connected to a transverse link 11 at its pivot point 0, the link 11 controlling a hinged member L formed with aerodynamic control surfaces, and forming part of a manual control system including a control rod H. The manual control exerted by the rod H is thus augmented by the automatic control which operates without any separate source of hydraulic or electrical power. Applicable to airship controls. <IMAGE>
Patent GB-2098860-A (GB)
Title: Variable-angle lath for slatted support bases
IPC: A47C23/06
Filed: 1982-05-14
Abstract: In a slatted support base, e.g. for a bed or couch, comprising a plurality of wooden or plastics laths (11), means (17, 17'), (which resiliently mount the lath on a frame), are provided to incline each lath (11) relative to the plane of the frame when there is no load on the base cover or mattress (13) (full lines). When cover (13) is loaded, means (17') is compressed until lath (11) is brought to a position parallel to the frame (dotted lines). The inclination of the laths ensures ventilation at contact points (23) and that condensation does not remain on the surface of the laths (11) and thus avoids moisture absorption by the base (13) and consequent rotting. In an alternative embodiment a common inclining device is provided which simultaneously acts on all the laths in the support base. <IMAGE>
Patent GB-2135277-A (GB)
Title: Carton for bag-and-box type packages
Inventor: WOOD PRENTICE J
IPC: B65D5/468
Filed: 1982-11-11
Abstract: A tubular carton for providing an outer casing of a bag-and-box type package top has a top closure defined by a pair of inner closure panels (44, 52) each hinged to a respective opposed end wall (16) and a pair of outer handle panels (40, 48) each hinged to a respective opposed side wall (14) and foldable into overlapping relationship with said inner panels. The handle panels include hand gripping apertures (56, 58: 66, 68) and reinforcing means (G) in the form of gusset folds are provided in corner regions such that parts of the inner panels (B) adjacent the end walls (16) are braced to resist deformation of the end walls when the package is suspended by its handle panels and such that other parts (F) of the inner panels remote from said braced parts can be flexed inwardly of the package to facilitate grasping said handle panels. <IMAGE>
Patent GB-2116484-A (GB)
Title: Method for the permanent inscription of plastics sheets and awnings
Inventor: DITTRICH FRANZ
IPC: B44C1/16
Filed: 1982-11-30
Abstract: Plastics sheets and awnings are permanently inscribed by initially softening the plastics sheet or awning in a first step, by applying a transfer design with an inscription onto the initially-softened surface of the plastics sheet or awning in a second step and, in a third step, by applying onto the applied transfer design and its surrounding area a lacquer which initially softens the plastics sheet or awning. The awning or sheet (1) thus inscribed has on its surface a lacquer layer (2) on which is disposed a transfer design (3) with an inscription (5), and a further lacquer layer (4) applied onto the transfer design. In this method of construction the plasticisers of the respective lacquer layers migrate into the transfer design. <IMAGE>
Patent GB-2109929-A (GB)
Title: Optical fire detector with extended radiation path
Inventor: LINDGREN ERIK GUSTAF
IPC: G08B17/103
Filed: 1982-05-06
Abstract: An optical fire detector in which the beams are received in a detector after having passed through a measuring chamber, for determining if the intensity of the received beam has been affected by combustion aerosols. A prism system with two prism groups (1-6, 7-11) having mutually parallel planes is arranged to extend the beam path through the measuring chamber, so that a beam from one light source (31) incident on a prism in either of the prism groups is directed by total internal reflection towards a prism in the other group, and vice versa, until the light beam comes to a ray detector (30) via all the prisms in the system. An indication circuit (25-28) indicates that the difference between instant characteristic values of the reflected beam and corresponding values at a reference state exceed a threshold value.
Patent GB-2136286-A (GB)
Title: Apparatus in the form of a steam, vapour or hot-air individual hip bath
Inventor: BERGER FRANZ
IPC: A61H35/00
Filed: 1983-03-10
Abstract: Apparatus in the form of a steam, vapour or hot-air individual hip bath comprises a plastics material, preferably glass-fibre reinforced, housing 1 enclosing a vertically adjustable seat 2, said housing having a door actuable from within or outside the housing to seal a door opening 5. The housing has a recess 6, preferably padded, to receive a user's neck, the recess being formed in a top wall 4 of the housing and extending back from the edge of the door opening 5. Steam, vapour or hot-air generating means and/or a closable aperture for the supply of externally generated hot-air are provided in the housing, disposed beneath the seat. The steam or vapour generating means 8 may be a water tank having an electrical heater 9, the tank having adjustable apertures enabling the escape of steam or vapour therefrom. A nozzle system may be disposed within the housing and be connected to a water supply via hoses enabling a user to be cooled by a cold water spray. The apparatus may be mobile and/or tiltable. <IMAGE>
Patent GB-2118742-A (GB)
Title: Electrical generator control system
Inventor: SOMERVILLE WILLIAM MURRAY
IPC: H02J3/14
Filed: 1983-03-31
Abstract: A control system for a stand- alone electrical generator 12 driven by a prime mover such as a wind turbine 10 includes switches 62, 87 operable in response to changes in the frequency of the generator output to change the load imposed on the generator by resistor means 60, 83. The resistor means includes domestic resistive heaters 83 and dump resistors 60, the switches for the former turning "on" at frequencies lower than those at which the latter turn "on". The frequencies at which the several switches in a given consumer's premises switch "on" are interlaced with the frequencies of the switches in other premises so as to avoid discrimination between consumers. The output frequency is thus kept relatively constant despite changes in wind speed. Priority load shedding arrangements are described. <IMAGE>
Patent GB-2121262-A (GB)
Title: A seed drill
Inventor: DREYER DR HEINZ
IPC: A01C7/20
Filed: 1983-04-14
Abstract: A sowing machine or seed drill including a frame and a hopper or storage container, drivable metering members being disposed in the lower portion of said hopper, and the material to be distributed being supplied in adjustable quantities from the metering members, via feed pipes, to sowing coulters which are staggered in at least two transverse rows and are offset relative to each other in the direction of travel on coulter support bars extending transversely to the direction of travel, the metering members being driven by wheels, or drive wheels, which travel along the ground. At least two coulter support bars (14, 15) are disposed behind each other with a spacing (A) therebetween, and the sowing coulters (5) are disposed on each such bar and are disposed behind each other with a spacing (a) therebetween. <IMAGE>
Patent GB-2120307-A (GB)
Title: Blind mechanism
Inventor: KAUCIC EDWARD M
IPC: E06B9/36
Filed: 1983-05-03
Abstract: The vanes V of a vertical Venetian blind mechanism are each mounted on an auxiliary carrier AC for turning about an upright axis under the control of a sprocket 45, turning about a horizontal axis and connected to the vanes by right angle gearing. Each sprocket is turned by a flexible operating chain OC having parallel portions held in engagement with each sprocket by guides on the carrier. The chain runs within a telescopically sectioned header rod H having a slot S, the edges of which form a track for the carriers. Traversing is effected by a traverse cord TC passing around a pulley at one end of the header H and fastened to a lead carrier LC which carries a return guide defined by walls 87f, 81a for a loop OCL of the chain OC. When the blind is closed by means of the cord TC there is no relative movement of the two portions of the chain and hence no turning of the vanes, but the lengths of chain limit the maximum separation between adjacent carriers. <IMAGE>
Patent GB-2123257-A (GB)
Title: Arrangement for cancelling cross-talk between two communications signals
Inventor: MCKEOWN JAMES HENRY ALAN
IPC: H04B7/00
Filed: 1983-06-08
Abstract: A circuit for canceling unwanted components in two received signals has a first input 10 for one of the signals and a second input 11 for the other. The first input is connected by a first circuit path to an output 12 and the second input by a second circuit path to an output 14. Each circuit path has an associated feedback which includes a correlating device 30, 31 which is arranged to receive fractions of both output signals. Each correlating device forms a control signal which is applied to a mixer 22, 23. Each mixer 22, 23 operates under the control of the control signal to feed to its associated circuit path a signal which tends to cancel the unwanted component. <IMAGE>
Patent GB-2123127-A (GB)
Title: Waste heat boilers
Inventor: TRACEY PETER LAMBERT
IPC: F22B/
Filed: 1982-07-15
Abstract: A wast heat boiler including a bank of parallel-connected return-flow tubes (3) with horizontal limbs in an upward gas flow path has apertured-plate spacing and supporting means for the tubes which comprise at each of two or more localities along the lengths of the tube horizontal limbs a plurality of apertured plate strips (33) in a row which extend vertically between common upper and common lower securing members (32, 43) and each of which apertured plate strips serves to support the horizontal limbs of a single tube only or at most of a few tubes only. If the boiler has a plurality of tube banks one above another, the upper-strip-securing means (32') of a bank may be attached to the lower strip-securing means (43) of a bank above it.
Patent GB-2127650-A (GB)
Title: Moving coil loudspeaker
Inventor: PINFOLD HAROLD CHARLES
IPC: H04R9/06
Filed: 1983-08-01
Abstract: A loudspeaker diaphragm is laminated from a plurality of Balsa wood sheets 10a, 10b, 10c which are hermetically enclosed within a film of plastics material 12, 18. The grain directions of the individual laminations are preferably not mutually aligned and may be disposed symmetrically. Various shapes of diaphragm are described. <IMAGE>
Patent GB-2144665-A (GB)
Title: Rotary piercing tool
Inventor: HIBY FRIEDRICH KARL
IPC: B21C37/29
Filed: 1983-08-04
Abstract: A flow drilling tool comprises an end 10 to pierce or cut an initial hole in a metal workpiece 18, an adjoining part 12 of increasing rounded polygonal cross-section to open up the hole and form a bush 19, and a further adjoining part 13 which upon rotation generates the final shape of the bush 19. To avoid an excessive temperature rise during operation of the tool, which involves extremely rapid rotation of the tool so as to soften the workpiece 18 by heat of friction and cause formation of the bush 19, a cylindrical core 15 made from a non-ferrous metal of high thermal conductivity, e.g. copper, is provided within the tool shank and extends as far as the part 12. <IMAGE>
Patent GB-2130117-A (GB)
Title: Suction cleaner
Inventor: BIRR HANS-JOACHIM
IPC: A47L9/19
Filed: 1983-09-07
Abstract: A suction cleaner comprises a fan connected to a downstream dust- collecting bag by a passage 11, 12, which is partly lined with sound- absorbing material 10, and a device 8 which monitors the pressure in the passage, and hence the degree of filling of the bag, comprises a diaphragm 15 one side of which is connected to the passage through the material 10 by a path indicated by arrows. The passage may include filter fleece 25 to exclude dust from the diaphragm, which actuates an electric switch via lever 23. <IMAGE>
Patent GB-2148203-A (GB)
Title: Semi-submersible marine platform
Inventor: COPSON ALEXANDER GEORGE
IPC: B63B35/44
Filed: 1983-10-25
Abstract: This invention provides a semi-submersible marine platform having a deck 10 supported over horizontal buoyant base members 20 by vertical support means 23, 24, 25, each support means being connected to at least one adjacent support means by a base member 20, any or all of the support means comprising a group of at least two close but separate essentially equivalent columns 23, 24, 25 and the intercolumn distances within groups being less than the inter-group distances. Preferably the intercolumn distances within groups are about 1 column diameter. <IMAGE>
Patent GB-2151090-A (GB)
Title: Electronic ballast
Inventor: SHYU MIN YUNG
IPC: H05B41/298
Filed: 1983-12-08
Abstract: An electronic ballast for instant starting of fluorescent tubes H has a high frequency push-pull oscillator Q1, Q2, T1 powered from an AC source via a rectifier B, high frequency filter L1, C2 and regulator T3, Z1, Z2, the output windings of a saturating transformer T1 of the oscillator being connected to a dummy load transformer T2. Secondary windings on the transformer T1 provide feedback to transistor Q1, Q2 and to a regulating transformer T3. Each of the two fluorescent tubes H has one filament energised by the output windings of transformer T1 and its other filament energised by the secondary winding of the transformer T2 which provides a dummy load for the oscillator if the tubes H are disconnected. <IMAGE>
Patent GB-2154169-A (GB)
Title: Improvements in or relating to spanners or screw drivers
Inventor: COCKER MICHAEL DENIS
IPC: B25B17/02
Filed: 1983-12-13
Abstract: A socket or screw driver is operated by rotation of a threaded worm which rotates a worm wheel to rotate a socket or screw driver attachment. The threaded worm is formed on a flexible wound cable which is hand operated. <IMAGE>
Patent GB-2152657-A (GB)
Title: Interferometers
Inventor: WADE CHRISTOPHER ANTHONY
IPC: G01H9/00
Filed: 1984-01-05
Abstract: An interferometer comprising in combination light generating means 1-5 for producing coherent light, light splitting means 8 arranged to route light from said light generating means over two different paths one of which includes a fibre optic sensor 9 and the other which comprises a by-pass reference path of predetermined length, light combining means 10 arranged to receive the light after passage through said sensor and said by-pass path to provide an output of combined light, said two paths being located in such close proximity relative to one another as to be subjected substantially to the same ambient conditions, in which light derived from said light generating means is divided into periods of two different frequencies W1, W2, before the light is routed through said fibre optic sensor and the by-pass path and is combined by said light combining means, or light of a single frequency emerging from the combining means is combined with light of a different frequency derived from said light generating means, before the light is fed to a heterodyning optical detector 11, in which the light passing through said fibre optic sensor will be phase modulated due to variations in the characteristics of the fibre optic sensor during operation of the interferometer and in which means is provided for preventing the generation of more than one time-division multiplex signal by said heterodyning optical detector, or at least preventing the arrival of more than one such time division-multiplex signal at the input of a phase or frequency modulation receiver 14 coupled to the optical detector. <IMAGE>
Patent GB-2155682-A (GB)
Title: Synchronisation by image shift monitoring
Inventor: KEMP WARWICK ROYSTON STEWARD
IPC: G11B27/36
Filed: 1984-03-13
Abstract: Synchronisation by Image Shift Monitoring is a method for synchronising any two devices that carry an audio track. An identical signal contained on both items is fed to opposite sides of a stereo monitoring system, such as loudspeakers or headphones. The 'precedence effect' which causes the brain to detect positions of sounds in a stereo field, is used to determine a synchronised state when the image of the synchronising signals appears central. As this image shifts to one side or the other it is corrected by a variable speed control connected to one of the devices. The figure shows the technique applied to the sync tracks 8 and 11 of an eight-track recorder and a sub-mix recorder respectively. <IMAGE>
Patent GB-2138490-A (GB)
Title: Tourniquet buckle
Inventor: MASAGI JOSEF
IPC: A44B11/25
Filed: 1984-04-16
Abstract: There is disclosed a tourniquet which comprises a buckle (11) and a belt (12) which cooperates with the buckle to form a tourniquet loop (15) adjacent to the buckle. A portion of the belt is received by a belt guide (14) in the buckle (11) for longitudinal displacement, though it can be retained therein in response to belt tension. One end (21) of the belt is secured to a coupling member (13) which is pivotally and releasably mounted on a transverse shaft (19) carried by the buckle (11). The coupling member (13) is pivoted by tension in the belt to clamp the belt into position. The first lever arm (20) of the coupling member (13) is adjacent to the tourniquet loop (15), and the second lever arm (22) exerts downward clamping action on the portion of the belt (12) within the guide (14). The belt end (21) is firmly connected to the first lever arm (20) of the coupling member (13). <IMAGE>