baber/WOPTO huggingface dataset:
Patent GB-750957-A (GB)
IPC: G01B5/20
Abstract: 750,957. Gauging linear dimensions. NOVIANT, P. G. Feb. 9, 1954, No. 3794/54.. Class 106 (2). A device for measuring the average diameter of a screwthread comprises three distinct sets of pairs of feelers, each pair having a male and female member and each set being characterized by the terminations of its members which are (a) prisms 3, 5 and 4, 6, Fig. 1, or (b) frusta, Fig. 2, or (c) conical surfaces 3, 4 and cylindrical surfaces 5, 6, Fig. 3. The male member is inserted between the threads and the female placed over a thread so that they are opposite each other, Fig. 5, and the distance between the two female feelers is related to the thickness of the male feeler so that the average diameter of the thread is equal to the distance between the ends of the male and female members plus half the sum of the heights of the truncated ends, the height being measured between the planes of truncation and parallel to the axis of each feeler. Sets (a) and (c) are intended for use with sliding caliper gauges, Fig. 16, the feelers 1, 2 being locked to the jaws 71, 72 by set-screws 77, 78, 79, 80 and set (b) for very accurate work using either a bench or hand type of adapted micrometer, Figs. 8 and 11. In the bench micrometer, Fig. 8, the feelers 1, 2 are attached to the contact pieces 23, 24 by sleeves 27, 28 and locked by setscrews 31, 32, the work being supported on a movable table 35, and in the hand micrometer, Fig. 11, one feeler 1 is locked into the fixed stirrup 41 by a set-screw 45 and the other held to the movable portion of the micrometer by a sleeve 55 and a spring 53, the work being supported on a movable table 61.
Patent GB-2004698-A (GB)
Title: Circuit breaker trip
IPC: H01H71/74
Filed: 1978-08-07
Abstract: In a multi-pole moulded-case electric circuit breaker wherein each pole has an excess-current trip actuator e.g. bimetal strip 16, which carries an adjusting screw 17 to engage an inclined abutment surface 56 and so cause pivotal tripping movement, about a rod 52, of a trip bar common to all poles and formed of three levers such as 51 solidly linked side-by-side on the rod 52, the trip bar is adapted for adjusting displacement laterally along the rod 52 by means of a cranked pin and slot device 73-73 to simultaneously adjust the trip-rating of all poles by varying the effective spacing between the calibrating screws 7 and their respective inclined abutment surfaces 56 on the trip bar. <IMAGE>
Patent GB-2030630-A (GB)
Title: Floor Tile
IPC: E04F15/024
Filed: 1978-09-29
Abstract: A floor tile comprising a rectangular, hollow shell formed from reinforced concrete; said shell including a top or panel portion 5, sides 6 projecting equidistantly at right-angles from said panel portion, and an edge formed around the sides remote from said panel portion; whereby said tile may be supported, in conjunction with other like tiles, directly by said edge upon base supports, thereby to create the panel portion of each said tile as an individual load-bearing portion. The tiles are preferably used to form an elevated floor and are supported only at their corners. The sides are reinforced by angle bars 7 embedded rods, or randomly distributed steel fibres. Reinforcing ribs may extend between the corners and centre of the tile. <IMAGE>
Patent GB-2009392-A (GB)
Title: Air pressurisation system for aircraft cabins
IPC: B64D13/02
Filed: 1978-11-02
Abstract: An aircraft cabin air pressurisation system (19) adapted to reduce the ozone level in the cabin air by decomposition of the ozone to oxygen. The decomposition is achieved by directing the air passing through the system via a porous structure (16) which is adapted to present a large surface area to the air and also provided with a substance such as silver or platinum which is adapted to catalyse the decomposition of ozone to oxygen. <IMAGE>
Patent GB-2011889-A (GB)
Title: Terephthalic acid
IPC: C07C63/26
Filed: 1978-12-18
Abstract: Terephthalic acid substantially free of isomeric phthalic acids is obtained by oxidising mixed isomeric tolualdehydes and separating terephthalic acid from the isomeric acids.
Patent GB-2016358-A (GB)
Title: Potting ends of a hollow fibre bundle
IPC: B29C65/70
Filed: 1979-03-16
Abstract: A method of potting the ends of a hollow fibre bundle particularly for use in a hollow fibre dialyzer, the method comprising inserting the bundle 12 in a tubular casing 10, closing the ends of the casing with closure members 16, providing curable liquid sealant 39 in the casing, spinning the casing to cause the sealant to spread itself around the ends of the hollow fibres, allowing the sealant to set, and then removing the closure members and cutting through the ends of the fibres and the sealant, or alternatively cutting through the closure members instead of removing them. <IMAGE>
Patent GB-2018120-A (GB)
Title: Food substitute for mother's milk and cow's milk
IPC: A23L33/00
Filed: 1979-04-09
Abstract: A food substitute for mother's milk and cow's milk contains:  lamb's meat, preferably 150-200 g;  rice-cream, preferably 150-200 g;  olive-oil, preferably 10-30 g;  salt (NaCl), preferably 0.5-2 g; and water, preferably q.s. to 1000 ml.
Patent GB-2020945-A (GB)
Title: Real-time digital X-ray subtraction imaging
IPC: A61B6/00
Filed: 1979-05-11
Abstract: Diagnostic anatomical X-ray apparatus comprises a converter 16 and a television camera 18 for converting an X-ray image of a subject 12 into a series of television fields of video signals; a digital memory system 78, 21 stores and integrates said video signals over a time interval corresponding generally to a plurality of successive television fields; the integrated video signals are recovered 200, 204, from storage and fed with video signals 206b occurring outside said time interval to a digital or analogue subtractor 206 having an output which is displayed on a television monitor and represents on- going changes in the anatomical X-ray image. The video signals 206b outside the time interval may be a successive individual fields, or the result of integrating over successive groups of fields (first mode). In a modification, successive groups of fields are stored and integrated in three memories, cyclically, and subtractions are performed between successive pieces of integrated signals to provide a display 28 of successive alterations in the X-ray image. For looking at the heart the integrating interval should be of the order of one cardiac cycle. In the first mode, the integrated signal may be derived prior to the introduction of an X-ray contrast medium into the subject.
Patent GB-2051280-A (GB)
Title: Improvements in or Relating to Couplings for Tubes
IPC: F16L37/092
Filed: 1979-06-20
Abstract: A tube coupling for holding a resilient tube 25 comprises a body member 10 containing an integral or separate part 20 which fits into the inside of the tube 25, the tube being forced against the part 20 by arms 16 of a collet 11. Pull on the tube 25 to withdraw it from the collet 11, by engagement of surfaces 17 on the arms with an internal surface 18 in the body member tightens the arms onto the tube 25. Sealing is obtained by the part 20, which is preferably externally tapered, engaging in the tube 25 to give effective sealing at low pressures in the fluid passing through the tube 25. <IMAGE>
Patent GB-2026932-A (GB)
Title: Moulding apparatus
IPC: B28B7/24
Filed: 1979-08-02
Abstract: Moulding apparatus (10) comprises a base frame (11), and a plurality of generally L-sectioned upstanding mould wall members (19). The wall members (19) are movable between a moulding position in which the wall members (19) are positioned parallel to one another with space between them to define generally L-sectioned mould cavities (18) and an open position in which the wall members (19) are moved apart singly from the moulding position so as to open the mould cavities (18) to allow removal of a moulded product formed in each cavity. Each wall member (19) is supportable on rolling supports (31) provided adjacent the free ends and the apex of the lower edge of the member. The rolling support provided at the apex of each wall member (19) is movable between a raised position in which the lower edge of the respective wall member (19) rests on the frame (11) and a lowered position in which the wall member is supported on its rolling supports (30, 31) and its lower edge is clear of the frame (11) so that the wall member may be moved to and from its open position. <IMAGE>
Patent GB-2030670-A (GB)
Title: Framework members
IPC: A47B96/14
Filed: 1979-09-07
Abstract: Framework members 47 to 50 which may readily be joined together to form a framework to make furniture, storage racks and the like, comprise U cross-sectioned channel members having external complementary longitudinal grooves and ribs which are slidingly engageable and have internal grooved longitudinal recesses to receive bolts for fixing panels 51 to 54 or the like to the framework members. A cover strip may be used to form a boxsection. Corner connectors, Figs. 13 to 17 (not shown), enable members to be joined at right angles. <IMAGE>
Patent GB-2031450-A (GB)
Title: Artificial dental root
IPC: A61K6/838
Filed: 1979-10-08
Abstract: An artificial dental root comprises a particulate or powdered form of synthetic hydroxyapatite or calcined or sintered synthetic hydroxyapatite or a mixture thereof and an organic polymer binder matrix, the surface area of said artificial dental root to be brought into contact with bone being composed of both a phase of said hydroxyapatite and a phase of said organic matrix. The root is prepared by blending said hydroxyapatite with said organic matrix and molding the blend. The root has adequate, but moderate, affinity for bone and high mechanical strength, and can, if necessary, be extracted without damaging the surrounding bone.
Patent GB-2040524-A (GB)
Title: Alarm System
IPC: G08B13/26
Filed: 1979-12-04
Abstract: An alarm system detects the movement of an object away from a predetermined position, such an object being typically an item on display in a shop or a door in a closed position, and comprises a sensing circuit 12 which includes two electrical conductors 10, 11 spaced from but adjacent each other and adjacent to the predetermined position to be occupied by at least one item when in use. The sensing circuit includes a signal generator responsive to the capacitance present between the two conductors to provide a first output condition indicative of a substantially constant capacitance value present between the electrodes due to the undisturbed presence of the item and to provide a second output condition indicative of a change in capacitance value due to the disturbance of the item present. The output of the sensing circuit is received by an alarm actuating circuit 13 which causes actuation of an alarm element when the output condition from the sensing circuit changes significantly to cause the actuating circuit to trigger due to the movement of the item from its predetermined position. <IMAGE>
Patent GB-2064736-A (GB)
Title: Rotary hearth furnaces
IPC: F27B9/16
Filed: 1979-12-07
Abstract: The invention is concerned with rotary hearth furnaces, of the kind comprising a hearth (103) providing a working platform upon which work to be heated may be placed, the hearth being rotatable about a vertical axis, and a roof (100) mounted above the hearth, the lower edge of the roof extending adjacent to the hearth. Heated gas is ducted into the chamber defined by the hearth and the roof. A platform (128) is secured anularly around the hearth, and a hood (132) is secured anularly around the roof, said platform and hood co- operating to define an annular preheating chamber (134) into which heated gases flow through the small gap (116) existing between the hearth and the roof. Thus, work to be treated by the furnace may be placed in the preheating chamber (134) at a pre-loading station, to be conveyed anularly around the furnace towards the loading station (118) at which it may be removed from the platform and loaded into the furnace in conventional manner. <IMAGE>
Patent GB-2040427-A (GB)
Title: Single-compressor refrigerator and freezer
IPC: F25B5/04
Filed: 1980-01-17
Abstract: A combination refrigerator and freezer, 10, in which a single compressor, 11, services the evaporators, 15 and 16, of the refrigerator and the freezer sections respectively. The evaporators are arranged in a cascade set up. A solenoid valve, 14, shifts the fluid from the compressor to the freezer evaporator only, or to both evaporators, as commanded by their respective thermostats. <IMAGE>
Patent GB-2048382-A (GB)
Title: Fan unit particularly for extractor hoods
IPC: F04D17/16
Filed: 1980-03-31
Abstract: The fan unit 1 comprises a centrifugal impeller 5 about the periphery of which is formed an annular manifold chamber containing stationary blades 6 so shaped as to direct the discharged airflow in an axial direction past the impeller. <IMAGE>
Patent GB-2061737-A (GB)
Title: Golf ball dispenser
IPC: A63B57/00
Filed: 1980-09-09
Abstract: A trough is pivotally mounted to a central standard and can rotate 90 DEG  to a ball dispensing position above a golf ball tee. The trough, which holds golf balls replenished from a hopper, includes a dispensing head at the outboard end. The head is pivotally attached being movable from a ball detent position too ball release position, the head being urged to tile detent position by a small weight or gravity. When tipped forwardly, a detent clears the front ball which moves forwardly by gravity to be held temporarily between the front of the head and the rear of the aperture through which it will pass. As the head is tipped rearwardly, the detent engages behind the front ball and checks forward movement of the next ball and widens the gap between the front of the head and the rear of aperture thus releasing the ball which is deposited on the tee. <IMAGE>
Patent GB-2065250-A (GB)
Title: Wear compensating arrangement in a disc brake
IPC: F16D55/10
Filed: 1980-12-03
Abstract: The brake has a cylinder (12) and a piston (13, 14) movable by air pressure to respectively apply brake rings (6, 7) to housing (4, 5), the piston consisting of a main piston (13) and an auxiliary piston (14) movable relative to one another. Main piston (13) has a larger surface (20) exposed to the pressure but is restrained against movement by a spring (24) until pressure reaches a certain level. The auxiliary piston (14) moves first, to actuate the brake and a locking arrangement (21, 22) allows adjustment of the relative positions of the pistons (13, 14) to adjust for brake lining wear during the movement, and thereafter locks the pistons for movement together. As shown, the locking arrangement comprises balls (21) biased into a wedge shaped space (see also Figure 2). In Figure 4 wedge shaped clamping member or a wedge shaped ring replace the balls. Figure 3 utilizes a bearing and a threaded locking member. The locking arrangement may be released by pressure e.g. brake pressure - see Figure 5, for example. <IMAGE>
Patent GB-2067174-A (GB)
Title: Inorganic foam material
IPC: C04B30/00
Filed: 1980-12-23
Abstract: A method of making a rigid inorganic foam of cellular structure comprising one or more layer minerals comprises gasifying a suspension of one or more layer minerals in a liquid medium, shaping the gasified suspension, and removing the liquid medium from the shaped gasified suspension. The layer mineral(s) may be one or more of delaminated vermiculite, kaolinite, montmorillonite, or sepiolite, attapulgite, illite or saponite.
Patent GB-2070196-A (GB)
Title: Improvements in or relating to rollers
IPC: F16F15/32
Filed: 1981-02-06
Abstract: The invention relates to hollow rollers, such as may be used in the support of a conveyor belt. The hollow roller 2 (102) is supported on a bearing (4, 104) and a cap (15, 115) rotates with the roller and forms a cover for the bearing. An imbalance compensating weight (24, 124) is fixed to the inner surface of the cap. <IMAGE>
Patent GB-2073468-A (GB)
Title: Changeable signs
IPC: G09F11/02
Filed: 1981-02-13
Abstract: Multi-sided display elements 12 are rotated between alternative display positions by reciprocation of a rack plate 48 driven by a reversible motor 56. A pair of eccentric pins 60 on a rotor 58 of the motor 56 successively engage transverse slots 54 in the rack plate to impart sinusoidally varying longitudinal motion to the rack plate. The display elements 12 are arranged to come into their display positions during minimum motion of the rack plate so that minimum force is needed to stop and start the rotation of the elements. Pushbuttons (PA, PB, PC) control which set of facets 16 are to be displayed, the circuitry including position switches A, B, C and further switches D, E, F to control the direction of the motor rotation. <IMAGE>
Patent GB-2076915-A (GB)
Title: A double control servo-distributor for pneumatic braking systems in vehicles
IPC: B60T17/18
Filed: 1981-04-28
Abstract: The invention relates to a double control servo-distributor for pneumatic braking systems in vehicles, comprising a main piston (17) for the control of the inlet valve (12) of the braking cylinders and an emergency piston (18) for the operation of the main piston in case of feed failure in the latter. The emergency piston has a push rod (30) sealingly sliding within a seat (31) of the main piston (17), so that the pneumatic thrust or pressure acting on the emergency piston (18) at the inlet side (at 41) is larger than that applied to the opposite surface (at 39 and 40). Thus, a displacement of the emergency piston is also provided under conditions of full efficiency of the supply circuits (6, 7) and the jamming of the emergency piston in the cylinder due to sticking of its gaskets or packings against the walls of the latter is avoided. <IMAGE>
Patent GB-2098176-A (GB)
Title: A device to facilitate the opening of a case having a hinged lid
IPC: G11B15/675
Filed: 1981-05-07
Abstract: A device 11 to facilitate opening of a tape cassette case 1 and for attachment to a fixed support is in the form of a trough having a rear wall 12, an undulating front wall 13, opposed end walls 14 and a bottom 15. A conventional tape cassette case 1 may be introduced into the trough so that the lid portion 1 is held steady in a narrow channel formed between the rear wall 12 and a part 16 of the front wall 13. The hinged body portion 3 of the case 1 may be pivoted about 8 away from the rear wall 12 and relative to the retained lid portion 1 by single handed manipulation to open the case and permit removal of the cassette. Pivotal opening movement of the case 1 is limited by abutment of the case body portion 3 against inclined parts 16a of the front wall 13. <IMAGE>
Patent GB-2078195-A (GB)
Title: Device for the extraction of silage
IPC: A01F25/20
Filed: 1981-05-20
Abstract: A device for the extraction of silage from a circular high-rise silo includes at least one sensor (12) for resting on the silage surface and rotating with a rotatable conveyor mechanism (6, 7). The sensor (12) is pivotally attached to the conveyor mechanism and is associated with a pivoted switch arm (13) which co-operates with a pair of superposed switches (15, 16) which are actuated by the switch arm and located in an electrical control circuit in order to control the raising and lowering of the conveyor mechanism and hence of a suction orifice (5) for extracting the silage. In this way a substantially constant distance is maintained between the suction orifice (5) and the silage surface. <IMAGE>
Patent GB-2099513-A (GB)
Title: A cap for an aerosol can
IPC: B65D83/16
Filed: 1981-05-22
Abstract: A spray through cap (10) for an aerosol can comprises an aperture (19) through which liquid from the can is sprayed without removing the cap (10) from the can and a hinged flap (21) formed integrally with the cap (10), the flap (21) having a depending thimble (24) for engaging a valve button (12) of the can so that, when the flap (21) is depressed, the button (12) is operated, <IMAGE>
Patent GB-2076832-A (GB)
Title: Blends of polyethylene terephtalate based polyesters and styrene- maleic anhydride copolymers
IPC: C08L67/02
Filed: 1981-05-26
Abstract: Thermoplastic blends comprising polyester containing at least 85 mole percent polyethylene terephthalate and styrene-maleic anhydride copolymer exhibit improved moldability and improved adhesive properties to a variety of substrates.
Patent GB-2105162-A (GB)
Title: Granules applicator
Inventor: MASON PETER ROBIN
IPC: G05D7/06
Filed: 1981-07-22
Abstract: In the applicator, granules being dispensed are continuously weighed by a weighing device (14, 18) providing a signal indicative of the weight being measured at any time, and this signal is used together with a signal from a ground displacement device (19, 19a, 20, 21) indicating the rate of ground displacement, by a control means (22) to control the setting of a metering valve (13) through which the granules are dispensed from a hopper (11). Thus, the rate of application of granules can be matched to the rate of ground displacement of the applicator. <IMAGE>
Patent GB-2083923-A (GB)
Title: Microwave Oven
IPC: F24C7/08
Filed: 1981-08-24
Abstract: A tray 26 inside the oven cavity 10 for supporting the article to be cooked is coupled by legs 22 to a scale mechanism 20 beneath the oven cavity. This mechanism provides a weight signal to a microprocessor which also receives various inputs from a control panel 30, including inputs indicating the kind of cooking operation to be performed, e.g. defrosting frozen food, warming up refrigerated food, cooking hot food and so on. The microprocessor automatically computes the required cooking energy and energises a magnetron 14 appropriately, either continuously or with duty cycle modulation, in any event until the required total power has been radiated into the oven via a rotating radiator 16 which ensures that most microwave energy enters the article being cooked before striking oven cavity walls. <IMAGE>
Patent GB-2083343-A (GB)
Title: Barbecue set
IPC: A47J37/07
Filed: 1981-08-27
Abstract: A portable power driven barbecue set comprises speed reduction gearing 18 drivable by an electric motor within casing 19, Fig. 5, the gear terminating in a drive gear 22 which is wholly or partially exposed and adapted to mesh with a driven gear secured co-axially on a skewer 2 which comprises two parallel forks 12 Fig. 1, and two coaxial members which are releasably connected together. The skewer Z is supported by stands 4,5 above heating device 3. <IMAGE>
Patent GB-2084408-A (GB)
Title: Electromagnetically Actuated, Unidirectional Piston Pump
IPC: H02K33/16
Filed: 1981-09-04
Abstract: The piston of the pump is constituted by a member (7) of permanently axially magnetised ferromagnetic material of high remanence and coercive force which reciprocates in non-magnetic sleeve (6) between the poles of two coaxial electromagnets (1, 2) each magnetic circuit being closed by a common line of force conducting piece (5) directed radially towards the middle of the piston; and unidirectional flow means (8, 10, 11). Magnetisations and lines of force patterns are discussed (Figures 2-5, not shown). A soft magnetic material disc in the piston homogenises the field therein. Non- magnetic discs at the piston ends prevent magnetic adhesion. Control of the piston movement time characteristic (e.g. linear characteristic) is described w.r.t. Figures 6, 7 (not shown), such as via integration of signal induced in separate winding, or by carrier frequency, inductively, galvomagnetically or optically. <IMAGE>