baber/WOPTO huggingface dataset:
Patent GB-2085999-A (GB)
Title: Valve gear for internal combustion engines
IPC: F16H7/02
Filed: 1981-09-11
Abstract: Valve gear for internal combustion engines comprises toothed wheels (2) fixed to the engine crankshaft and camshaft, and a toothed belt (1) effecting driving connection therebetween. The relative dimensions of the teeth on the wheels and the teeth (4) on the belt are so chosen that backlash (X) between the teeth on the belt in the recess (5) between adjacent teeth on the wheels is minimised e.g. less than 0.0125 inches (0.3 mm). <IMAGE>
Patent GB-2087285-A (GB)
Title: Apparatus for machining longitudinally-extending workpieces on a machine tool having a coordinate table
IPC: B21D28/24
Filed: 1981-10-01
Abstract: An apparatus for machining longitudinally-extending workpieces (17) on a machine tool includes a coordinate table (T) preferably mechanically controlled for the feed movement of the workpieces. The coordinate table (T) has gripper mean (10) for the workpiece (17), with which the workpiece is fed in direction (X). In the main feed direction (X) there is a workpiece stop (2,4) for the forward end of the workpiece and which is pivotable out of the region of movement of the workpiece. Between the stop (2,4) and the gripper (10), an auxiliary clamping device (20) likewise provided with driven gripper means (12,12',15) adapted to the contour of the workpiece is arranged. This auxiliary clamping device (20) is secured at a predetermined distance (a) from the operative machining tool (21) which is on the part of the coordinate table movable in the second feed direction (Y-axis). Piercing and shearing tools (21,25) are mounted on a turret. <IMAGE>
Patent GB-2107526-A (GB)
Title: Thermal interface for electrical equipment
Inventor: JEZIERSKI EUGENIUSZ CZESLAW JA
IPC: H05K7/20
Filed: 1981-10-13
Abstract: In an electrical equipment practice the need arises to mount substrate devices, such as relatively large hybrid integrated circuit units. This is achieved by mounting each such substrate (2) to a heat-sink (1) or a metal wall via a thermally- conductive washer (3) of a relatively soft material. The substrates are held in place by fasteners (4) at their corners. In an alternative the power distributor uses a multi-layer plate mounted on the heat-sink with holes via which the substrates, each with its washer, are mounted to the heat sink. <IMAGE>
Patent GB-2094719-A (GB)
Title: Methods of inlaying a noble metal into an object of common or less precious metal
IPC: A44C5/02
Filed: 1982-02-18
Abstract: Decorative platelets 14a of a noble metal are inlaid in an object 1a of common metal by providing recesses 15a which are formed with undercut regions such as dove tail grooves 17. The length of the central branch of a T-shaped platelet may be such that, under the effect of pressure exerted on the platelet, the metal of the central branch is deformed until it conforms exactly to the shape of that groove. This forms an anchoring foot 18 for the platelet 14a preventing its detachment from the object 1a. In an alternative method the platelets are cast into the recesses and the undercut regions. <IMAGE>
Patent GB-2118606-A (GB)
Title: The wall weather protector
Inventor: DALY ANTHONY
IPC: E04G21/28
Filed: 1982-02-23
Abstract: To keep the rain and frost off newly formed brickwork or blockwork mortar joints, a protector made of plastic based material and shaped as shown is hooked over the wall so that the short arm is in the cavity. <IMAGE>
Patent GB-2095196-A (GB)
Title: Drive system of escalator
IPC: B66B23/04
Filed: 1982-02-23
Abstract: A drive system of an escalator enabling the area of a space for installing the escalator to be reduced, wherein a drive sprocket wheel (4) for transmitting motive force to a drive shaft (6) is arranged at one end of the drive shaft (6) outwardly of a step chain drive sprocket wheel (7) and a handrail drive sprocket wheel (19) for transmitting motive force to handrails is arranged at the other end thereof outwardly of another step chain drive sprocket wheel (7). Motive force is transmitted from the handrail drive sprocket wheel (19) through a chain (21) to handrail drive sections disposed on opposite sides to actuate same. <IMAGE>
Patent GB-2094499-A (GB)
Title: Solar Collector
IPC: F24S23/70
Filed: 1982-03-03
Abstract: A solar collector for domestic usage comprises an axicon-shaped heliostat, with coaxial captor P, a heliostat supporting cradle 10 mounted on a fixed frame in such a manner as to be able to rotate about an axis AP parallel to the earth's polar axis. Said heliostat is pivoted 15 to the cradle 10 so that it can turn perpendicularly to the cradle rotation axis. There are provided means AUM to rotate the cradle for 180 DEG  about its axis, as wall as means 7, 8, 5, 12, 13 to pivot the heliostat about its pivot axis for an angle equal to twice the angle between the ecliptic and the earth equatorial planes. These latter means 7, 8, 5, 12, 13 are interlocked with the first means AUM in such a manner that the resulting motion is a combination of the two movements that the heliostat has to carry out. The axicon is described with reference to its profile. <IMAGE>
Patent GB-2119511-A (GB)
Title: Sensor for signalling that a preselected temperature has been exceeded
Inventor: BOLLA LUIGI
IPC: G01K11/06
Filed: 1982-04-28
Abstract: A temperature sensor to detect if a certain limiting temperature has been exceeded, such as limiting temperature in the storage of deep frozen foodstuffs, comprises a casing (11) having transparent walls and containing a rupturable closed vessel (12) filled with a liquid (13) which is expanded upon solidification and so breaks the vessel. If subsequently the limiting temperature is exceeded the solidified liquid (13) becomes fluid again and warns the user that the preselected limiting temperature has been exceeded. <IMAGE>
Patent GB-2100356-A (GB)
Title: Power plant having steam and air turbines
IPC: F01K23/02
Filed: 1982-06-08
Abstract: Gas produced by combustion of, e.g., low grade solid fuel in combustion chamber 10 is delivered to a heat exchanger 21. Air compressed by the compressor 23 of turbine engine 24 is passed in heat exchange relationship with the gas in the heat exchanger 21 and the compressed, heated air is used to drive the turbine 26 of the turbine engine. A second heat exchanger 32 receives the air from the turbine 26 and steam is passed in heat exchange relationship with the air in the second heat exchanger and is thereafter delivered to drive a steam turbine 40. The turbine 40 and engine 24 may drive electric generators. Alternatively, the engine 24 may drive the propellor(s) of a sea-going vessel. <IMAGE>
Patent GB-2124098-A (GB)
Title: Liquid straining apparatus
Inventor: ECCLESTON BARRY DEREK
IPC: B01D35/20
Filed: 1982-07-22
Abstract: Apparatus for straining liquid, such as paint, comprises a base 11, carrying a relatively vibratable container 20 wherein is mounted a straining screen 24. When the level of liquid above the screen reaches a level detector probe 41, a feed pump 37 is stopped to interrupt supply of liquid to the container. When the probe no longer detects liquid, the feed pump is restarted. However, if a preset amount of time expires after the level reaches the probe before the level drops below the probe, a pump 30 is started to withdraw oversize from above the screen. <IMAGE>
Patent GB-2124255-A (GB)
Title: Treatment of vanadium- containing fuel oils
Inventor: LI DR TING-MAN
IPC: C10L1/20
Filed: 1982-07-26
Abstract: The corrosivity of combustion gases containing vanadium pentoxide produced by the combustion of residual fuel oils containing vanadium as an impurity is countered by treating the gases with hydrogen chloride or chlorine preferably generated in situ by adding an oil-soluble chlorine compound, e.g. ethylene dichloride to the fuel.
Patent GB-2105798-A (GB)
Title: Gasket assembly and method of making same
Inventor: PEARLSTEIN ROBERT S
IPC: F02F11/00
Filed: 1982-09-14
Abstract: A head gasket assembly for an internal combustion engine has combustion openings and a plurality of other apertures and comprises a pair of expansive gasketing layers (16) secured to each other. A sealing pattern (30) of elastomer or metal or the like is provided between the layers (16) so that they envelope the sealing pattern (30). The sealing pattern (30) surrounds the combustion opening and the apertures for enhancing the sealing effect of the gasket assembly in the zone of the sealing pattern, thereby to protect the sealing pattern from direct contact with the engine head and block. The sealing pattern (30) is adhered to one of the layers (16), and the layers are adhered to each other by adhesive under pressure in a zone closely surrounding the sealing pattern to restrict lateral movement of the sealing pattern (30) and to compress and densify at least one of the layers in the zones overlying the sealing pattern to enhance the sealing characteristics of the gasket assembly. <IMAGE>
Patent GB-2133166-A (GB)
Title: Diet control aid
Inventor: PALMER RUSSELL
IPC: G01G19/414
Filed: 1982-11-11
Abstract: A diet control aid comprises scales for determining the weight of a foodstuff, and a microprocessor which is programmed with respective unit calorific values for a number of foodstuffs. Upon the input of an identification code for the foodstuff being weighed, the microprocessor derives from the appropriate unit calorific value the calorific value corresponding to the weight of the foodstuff. This derived value is displayed digitally.
Patent GB-2113466-A (GB)
Title: Semiconductor memory device and method of manufacture
Inventor: ISHIHARA MASAMICHI
IPC: H01L27/108
Filed: 1983-01-05
Abstract: A dynamic random access memory array of open or folded bit line type includes an array of memory cells (M-CEL) including capacitors Cs, and an array of dummy cells (D-CEL) including capacitors Cds, each capacitor Cs comprises first (eg polysilicon layer 6a) and second (eg polysilicon layer 6b) conductive layers with a first dielectric film therebetween, each capacitor Cds, comprises third (eg substrate 1, 16) and fourth (eg polysilicon layer 15) conductive layers with a second dielectric film therebetween, the first dielectric film (eg silicon nitride) having a greater dielectric constant than that of the second dielectric film (eg silicon dioxide) so that Cds has a smaller (preferably half) capacitance than Cs, and substantially the same area. Capacitor Cds may be formed as a stacked structure over the substrate, Capacitor Cs may be formed on a space (e.g. a bird beak part) on a thick oxide isolation film. The structure facilitates manufacture and reduces soft errors ascribable to alpha articles. <IMAGE>
Patent GB-2115988-A (GB)
Title: Insulating bushing
Inventor: WOOD HENRY SPILLMANN
IPC: H01B17/32
Filed: 1983-01-28
Abstract: An insulating bushing 5, 6, 8 adapted to convey an electrical conductor 4 through the casing (1) of electrical apparatus exposed to the weather comprises a generally tubular insulating member 2 incorporating an exterior portion 5, the said member being enclosed, over at least the major part of its exterior portion, by a plurality of insulating axially-overlapping weather- resistant dished collars 6, 8. The bushing may be made of a relatively cheap non weather-resistant insulating material such as epoxy resin or polyurethane. The collars may be made of EPDM rubber. <IMAGE>
Patent GB-2137170-A (GB)
Title: A Box or Tray made from a Folded Blank
Inventor: SNOW DAVID CHARLES JOHN
IPC: B65D5/00
Filed: 1983-03-29
Abstract: A collapsible box has stacking flanges (12) on its end walls (10). The stacking flanges (12) are continuations of reinforcing panels (21, 22) which are folded flat against the outer faces of side walls (6) of the box to provide rigidity. The end walls (10) are made up of two interlocking panels which are hinged to the respective side walls (6) and stabilizing flaps (14) hinged to the ends of a base panel. <IMAGE>
Patent GB-2120672-A (GB)
Title: Guanidinium (organo)-siliconates and (organo)-silicates
Inventor: KOERNER GOTZ
IPC: C07F7/18
Filed: 1983-05-26
Abstract: Guanidinium (organo)-siliconates and (organo)-silicates are useful for impregnating mineral building materials to render them hydrophobic. The compounds are of formula:   <IMAGE> wherein each R<1> is alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 4 carbon atoms or phenyl; each R<2> is hydrogen, alkyl of 1 to 4 carbon atoms or alkenyl of 3 or 4 carbon atoms; a is 0 to <3.9, b is 0.1 to 4 and x is 0 to 1.25, with the proviso that x is >0 if R<2> is hydrogen, and ??? a+b+x</=4.
Patent GB-2143144-A (GB)
Title: Waste liquid evaporation apparatus
Inventor: OSHITARI YOSHIMI
IPC: B01D1/22
Filed: 1983-07-13
Abstract: An apparatus of the low temperature heating type for treating waste liquid, e.g. radioactive waste, in which an evaporating cell (1) is provided with a heater (3) for heating a raw liquid to a low temperature without generating splashes of the raw liquid. A structure (4) for evaporating material having an enlarged area of evaporation is provided in the evaporating cell on to which the raw liquid is supplied so that vapour is produced from this structure. An air blower (11) is provided together with an air filter (12) for blowing vapour emitted from the evaporation structure (4) into a condenser (7), so that a condensed waste liquid is obtained from the condenser. The air blower (11) is in a closed loop cell isolated from the outside atmosphere. The evaporating cell (1) is inserted in the closed loop cell. The structure (4) may be rotary discs, stationary plates. a packing of Raschig rings or porous bodies. Alternatively the liquid may be sprinkled from porous plates. <IMAGE>
Patent GB-2127728-A (GB)
Title: Wrench
Inventor: AKIO AIDA
IPC: B25B13/12
Filed: 1983-08-18
Abstract: A wrench includes a handle (2) to which is pivotally attached a head (3) having a fixed jaw (4) and a movable jaw (5) biased towards each other by a spring. A member (11) on the movable jaw (5) abuts against a stop (12) on the handle (2) to prevent the jaws moving apart when turning a nut. Between each turning operation the handle (2) is moved in the opposite direction and the head (3) and handle (2) pivot apart. The member (11) then disengages from the stop (12) so that the movable jaw (5) can move away from the fixed jaw (4) against the action of the spring so that the jaws ride over the nut (a) and do not turn it. On moving the handle (2) back in the original direction, the head (3) and handle (2) pivot towards each other and the member (11) again abuts against the stop (12). In another embodiment Figs. 6 to 9 the jaws are adjustable by a worm and a rack carried by the slidable jaw. <IMAGE>
Patent GB-2152656-A (GB)
Title: Position sensing apparatus
Inventor: GOODWIN DAVID EDWARD
IPC: G01B11/14
Filed: 1983-09-03
Abstract: The invention relates to a position sensing for processes in which light is given off in degree dependant on the position of one element, such as the distance of a plasma arc torch 1 from a workpiece 8. The object of the invention is to provide a means whereby the light may be measured at a number of points by one or relatively few energy sensors. The invention is met by an optical element 3 which might generally take the form of a rod or ring in which the characteristic of the surface is that light is reflected and/or refracted so that a proportion travels along the element and continues to do so by the mechanism of total internal reflection. An energy sensor 5 or sensors is arranged to measure a proportion of that total light falling on the surface. <IMAGE>
Patent GB-2146241-A (GB)
Title: Hospital bed
Inventor: BARNES CHARLES
IPC: A47C20/04
Filed: 1983-09-12
Abstract: In order to hold the backrest (14) of a hospital bed in any selected position of inclination on a frame (18), holding means are pivotally connected between a plate or bracket (22) of the backrest and a cross-girder or bracing member (24) on the frame (18). The holding means take the form of a "gas strut" comprising a gas-containing cylinder (26) having a piston (28) provided with a piston rod (30) which is pivotally connected at (32) to the plate (22). The end of the gas cylinder (26) remote from the piston rod (30) carries a resilient buffer (36) and valve means (38) which are under the control of a release lever (40) which can easily be operated by a patient on the bed to release the hold of the holding means. However, to permit the backrest to be moved quickly from an inclined position to a horizontal position if the patient is having a heart-attack, the holding means has provision for the build- up of gas pressure in the cylinder (26) to be released as the backrest is forced downwards, without actuation of the lever (40). This can be effected by a pressure-release valve in the piston (28). <IMAGE>
Patent GB-2130690-A (GB)
Title: A hollow charge
Inventor: GEISS KLAUS-PETER
IPC: F42C19/07
Filed: 1983-11-17
Abstract: A hollow charge comprises a charge casing 2 and, on one end face, a spike-forming lining or coating 4 which is already installed 'in situ' upon production of the charge casing 2. A foam material body 5 of adequate strength and suitable contour is associated with the lining or coating 4 and acts as a distance piece. As impact contacts for an electrical detonating device, the body 5 is provided, in its front region, with two concentric cap shaped parts 6a, 6b which are spaced apart from one another and, in its rear region, with two concentric sleeve shaped parts 10a, 10b which are spaced apart from one another. Electrical connecting lines 8a, 8b between the said shaped parts 6a, 6b, 10a, 10b and the detonating device are embedded in the foam material body 5 and/or are fixed to the surface thereof. <IMAGE>
Patent GB-2131916-A (GB)
Title: A self-centering torque transmission assembly
Inventor: ORAIN MICHEL ALEXANDRE
IPC: F16C35/073
Filed: 1983-12-09
Abstract: In a torque transmitting assembly including a driven member and a driving member, one having teeth thereon extending parallel to the rotational axis and the other having teeth thereon extending obliquely to the rotational axis, an annular member is interposed which also has teeth which are parallel to the rotational axis and oblique to the rotational axis for engaging with the corresponding teeth of the driving and driven members in order to place them in torque transmitting engagement with each other. The annular member is formed from a deformable metallic material and the obliquely extending teeth extend relative to the parallel teeth at an angle of between 15 DEG  and 45 DEG .
Patent GB-2134614-A (GB)
Title: Pipe connection
Inventor: FRIEHE WERNER
IPC: B21D39/04
Filed: 1984-01-30
Abstract: The invention relates to a pipe connection for thin-walled line pipes typically of high-alloy stainless steels, in particular for water and heating installations, wherein the pipes are connected with a press fitting (2) of the same type of material, the ends of which are constructed as ring beads (3). The fitting surrounds the pipe ends (1) with a force fit with sealing rings (4) arranged in each ring bead (3). There is also a metal sleeve (5) provided between at least one of the pipe ends (1) and the inner surface of the press fitting (2). <IMAGE>
Patent GB-2156148-A (GB)
Title: Diode
Inventor: WARD PETER JOHN
IPC: H01L29/872
Filed: 1984-03-05
Abstract: A diode device comprises a P-type silicon substrate (1), a Schottky barrier (2) formed between a metal anode contact layer (3) and an N - silicon epitaxial layer (4), an N + + silicon conducting layer (5) beneath the N - silicon epitaxial layer and extending beyond the Schottky barrier an N-type contact region (6) formed so as to make contact with that part of the N + + silicon layer which extends beyond the Schottky barrier, a silicon dioxide isolation region (10) positioned between the N type contact region and the N - silicon epitaxial layer, and a metal cathode contact (7) overlaying the N type contact region. <IMAGE>
Patent GB-2156464-A (GB)
Title: Pipe coupling
Inventor: WARD ANTHONY WILLIAM
IPC: F16L41/08
Filed: 1984-03-24
Abstract: A fitting comprising an axially extending boss 14 having at least one passage therethrough and which, in use, is receivable in an aperture in a mounting surface, the boss 14 having secured thereto to extend axially therefrom in communication with the or each passage a tail pipe 16, the or each tail pipe 16 having at the end thereof remote from the boss, an integrally formed adaptor portion 23 to enable the or each tail pipe 16 to be connected to a further pipe. <IMAGE>
Patent GB-2136709-A (GB)
Title: Heat-sealing sheet material
Inventor: NIWA SUSUMU
IPC: B65B7/28
Filed: 1982-01-05
Abstract: The material comprises a base sheet bearing a sealant layer, the sealant being a graft copolymer comprising a trunk polymer of a 20-60% saponification product of an ethylene/vinyl acetate copolymer of 15-45% vinyl acetate content and a branch polymer of an unsaturated carboxylic acid in a proportion of 10% or less of the graft copolymer. The material is used in the sealing of glass containers particularly containing a food product. A seal structure of high adhesive strength can be obtained which is practically not lowered even in contact with water. <IMAGE>
Patent GB-2160167-A (GB)
Title: Improvements in or relating to tractors
Inventor: SPENCER TREVOR FREDERICK
IPC: B62D49/08
Filed: 1984-06-04
Abstract: An adjustable load-counterbalancing weight arrangement for tractors comprises fixed and relatively movable parts 2, 3. The fixed part 2 is attached to the tractor. The movable part 3 is moved relatively to the fixed part and forwardly of the tractor by hydraulic-rams 13. At its forward end, the movable part has a transverse weight-carrying bar 14 onto which are hooked load- counterbalancing weights 18. <IMAGE>
Patent GB-2148099-A (GB)
Title: Apparatus for supporting or erecting structures
Inventor: CHENG ERIC KEITH
IPC: A47B96/06
Filed: 1984-06-28
Abstract: A kit for supporting a wall-supported item of furniture having vertical panels, includes at least one elongate support member, the elongate support member having a vertical web 12 and a horizontal web 10, the horizontal web having a vertically downwardly extending flange 18 and the vertical web having a horizontal extending flange 20, and the panel 68 having or carrying a bracket or the like having one slot to receive the vertical flange and one slot to receive the horizontal flange when the panel is assembled to a horizontally-extending elongate support member. The bracket may comprise parallel plates 52 joined by a bridging part 54, or may be die-cast and have a web (232, Fig. 24) whereby the panel can be fixed thereto. A further bracket with parallel plates and a bridging part includes slots (76, 78, Fig. 9) in upper and lower horizontal edges. <IMAGE>
Patent GB-2162430-A (GB)
Title: Minute volume divider for connection to an anaesthesia machine
Inventor: MANLEY ROGER EDWARD WENTWORTH
IPC: A61M16/00
Filed: 1984-08-02
Abstract: A minute volume divider includes a control device which is manually operated by a rotary knob 1 for varying the frequency of delivery of tidal volumes of anaesthetic gas. In order to provide a direct reading of the frequency and also a ready of the tidal volumes in dependence upon the minute volume as determined by an anaesthesia machine to which the divider is connected, the knob 1 has a disc 3 which is fixed to the knob and moves on a surface 2 as the knob is turned. The disc 3 carries an index mark 5 and a logarithmic tidal volume scale 6 which is calibrated in millilitres. A shroud 4, which extends from the surface 2 over a part of the edge of the disc 3, carries a scale 7 which is also logarithmic and indicates the frequency per minute of the delivery of the tidal volumes by the divider. A further logarithmic scale 8 is provided on the surface 2 and indicates the minute volume in litres per minute delivered to the divider by the anaesthetic machine. By setting the index knob 5 to the required tidal volume frequency on the scale 7, the magnitude of each tidal volume for any given minute volume on the scale 8 can be read from the scale 6. <IMAGE>