baber/WOPTO huggingface dataset:
Patent GB-2072369-A (GB)
Title: Improvements In or Relating To Diplex Optical Spectrometer Assemblies
IPC: G01J3/26
Filed: 1980-02-29
Abstract: Diplex optical spectrometers in which a plurality of signals are transmitted simultaneously in a single optical channel, and employs light polarization to diplex the signals. The diplex optical spectrometer assembly includes polarizing means, such as for example a polarizing prism, for producing orthagonal states of polarization in a pair of received beams and combining the polarization states into a single beam, a single channel optical spectrometer; such as for example a linearly scanned Fabry-Perot spectrometer, and polarizing beam splitting means for dividing the wavelength dispersed beams into a pair of output beams corresponding to the received beams.
Patent GB-2071381-A (GB)
Title: Coin Testing Device
IPC: G07D5/10
Filed: 1980-03-04
Abstract: For discriminating beiween circular coins of substantially the same size but having different edge characteristics, such as in the case of the British 5p piece and the German 1 Deutschmark coin, a light emitter (8) throws light onto the edge of a coin (4) passing along a coin path (6) and reflected light is detected by a light detector (9). The shape of the output pulse from the light detector produced when the coin travels past the emitter/detector unit (10) is different, depending on the degree to which the edge characteristics of the coin concerned reflect light diffusely. Even when the detector/emitter unit (10) is positioned well above the two circular coins to be discriminated for a coin handling mechanism is designed to accept larger coins too, the slope of the detector output pulse is different for different coin edge characteristics. Such differences are recognised by detector circuitry (19, 20, 14, 22 and 24). The invention is also concerned with maintaining the light output from the emitter (8) substantially constant by using a feedback loop controlling the current supply to the emitter (8), so as to compensate for ageing and temperature effects. <IMAGE>
Patent GB-2044176-A (GB)
Title: Composite printing plate
IPC: B41N1/12
Filed: 1980-03-05
Abstract: A compressible composite relief type printing plate (101) comprises a layer (102) of relatively hard rubbery material having an outer printing surface (105) and an inner support surface (106), a layer of relatively soft rubbery material (103) having a surface which is discontinuous in the peripheral direction to provide a plurality of spaced projections (109) integral with the soft rubbery material and of substantially the same height to define a mounting surface (108) and an adhesive (110) securing the mounting surface (108) to the support surface (106). The compressibility of the plate permits absorption of excess pressures exerted against the ink transfer image producing lands (104) of the printing plate so that the integrity of the amount and size of images transferred to the surface being printed remains substantially constant even though the thickness thereof may vary up to 0.008 inch in random patterns. <IMAGE>
Patent GB-2078840-A (GB)
Title: Ladder
IPC: E06C1/38
Filed: 1980-06-04
Abstract: A step ladder comprises a front assembly comprising stiles and rungs and a single rear leg pivoted or fixed to the front assembly adjacent the top of the leg. In this way the single leg may be inserted into a hedge to support the front assembly and the front assembly may be disposed so as to appear to lean against the hedge. A disconnectable connection may be provided intermediate the ends of the rear leg, to connect the leg and the front assembly, the connection being disconnected during insertion of the rear leg into the hedge. <IMAGE>
Patent GB-2058246-A (GB)
Title: Rotatable body with magnetic device to counteract deflection
IPC: F16C39/06
Filed: 1980-08-13
Abstract: A rotatable body (3) such as a calender roll shell is supported on a shaft (2). The shaft forms a magnetic body and carries electrical coils (12) which are wound to provide pole faces (13). The pole faces of each circumferential ring of pole faces have the same polarity as one another while the polarities of the rings of pole faces alternate in the axial direction. The magnetic field from the pole faces counteracts deflection in the roll shell with a minimum of eddy currents. The axis of the roll shell may be above the axis of the shaft. In an alternative arrangement (Fig. 5) rotating body (3') is surrounded by a horse-shoe shaped stationary magnetic body (2'). <IMAGE>
Patent GB-2086672-A (GB)
Title: Single phase inverter
IPC: H02M7/538
Filed: 1980-10-31
Abstract: A single phase inverter for converting a D.C. voltage supply into a single phase A.C. supply, which comprises a pair of transistors (Q1, Q2) and a pair of capacitors (C1, C2). The emitter-collector paths of the transistors are connected in series across the D.C. supply voltage. The two capacitors are also connected in series across the D.C. supply voltage. The respective junctions between the transistors and capacitors are connected to the stator winding of the motor (M) to be supplied with single phase A.C. Square waveforms (W1, W2) are applied to respective base electrodes of the transistors (Q1, Q2), the waveforms being 180 DEG  out of phase with respect to one another. <IMAGE>
Patent GB-2063997-A (GB)
Title: An Exhaust Gas Recycling Control Arrangement for Use with an Internal Combustion Engine
IPC: F02M26/62
Filed: 1980-11-13
Abstract: The exhaust recirculation valve 5 is opened by vacuum supplied to an actuator 7 when the valve 13 is open in response to less than a predetermined deflection of the control lever 26 of the fuel injection pump governor and less than a predetermined engine speed or less than a predetermined displacement of the governor sleeve 23. A switch 14 in the circuit of the solenoid of the valve 13 may be closed by the cam 42 at less than a predetermined deflection of the lever 26 and the switch 17 may be closed except when fuel under pressure from the governor chamber is permitted to flow to the switch actuator by the passages 30, 39, 40, when the governor sleeve port 38 registers with the groove 36. An engine speed between upper and lower predetermined values may cause closure of a circuit switch (48), Fig. 3 (not shown). A throttle valve (55), Fig. 5 (not shown), in the engine air intake 3 may be operated by a vacuum modified in dependence on the position of the lever 26. <IMAGE>
Patent GB-2094618-A (GB)
Title: Dipstick cleaner
IPC: A47L25/00
Filed: 1980-11-21
Abstract: A dipstick cleaner comprises a body which has a groove 2 formed along the length thereof for wiping the dipstick. <IMAGE>
Patent GB-2066032-A (GB)
Title: A planter for potatoes and the like
IPC: A01C9/02
Filed: 1980-12-16
Abstract: A planter for potatoes and the like in which a conveyor (21) is pivotally mounted on the frame (1) of the planter so that it may pivot about a pivot axis (20) according to the slope over which the planter is travelling, preferably a slope sensor (3) controlling an hydraulic operating cylinder (5) controls the pivotal movement of the conveyor. <IMAGE>
Patent GB-2090558-A (GB)
Title: Method of manufacture of a heat sealable fitting and fitting made by such method
IPC: B29C70/72
Filed: 1981-01-06
Abstract: A heat sealable fitting primarily intended for joining thermoplastic gas service pipes is manufactured by winding a heated resistance wire on to a preform of thermoplastic material. The winding and preform are then encapsulated in a further layer of thermoplastic material.
Patent GB-2091273-A (GB)
Title: Nucleating agents for polyesters
IPC: C08K5/42
Filed: 1981-01-19
Abstract: A polyester contains as a crystallization accelerator a compound containing at least one benzene ring, naphthalene ring or anthracene ring; at least one alkali metal sulfonate group; and at least one alkali metal phenolate group. The polyesters will crystallise uniformly during injection moulding.
Patent GB-2092051-A (GB)
Title: Machine for trimming the edges of metal containers
IPC: B23D31/00
Filed: 1981-01-31
Abstract: A machine for trimming the edges of metal containers comprises a plurality of upstanding, vertically disposed cams 32 positioned upon a table 13. A plurality of sliding cutters 42 are provided equal in number to the cams. The cams are driven up and down by a vertically reciprocating platen 23 below the table 13 by means of a power source, a crank shaft and an arm 17 coupling the crank shaft and platen. Various cam face shapes are disclosed to provide the cutting sequence of the cutters. <IMAGE>
Patent GB-2072805-A (GB)
Title: A valve with a two-stage opening characteristic, especially a fuel valve for gas heated apparatus
IPC: F23K5/00
Filed: 1981-03-25
Abstract: A two-stage opening valve suitable as a fuel valve for gas heated apparatus has a driving element (26) moved over a straight line which, during a first partial stroke, acts on a first valve member (20) and during a second partial stroke acts on the second valve member (36). Thus first a throttled valve cross-section is first corresponding to a first combustion stage and then a nominal valve cross section is opened corresponding to a second combustion stage. Valve member (36) is pivotally mounted laterally spaced from the driving element (26) so that element 26 can act on member 36 through a transmission increasing the adjustment path so that only a small partial stroke of the driving element is required for its actuation. Thus, the period of the first combustion stage can be selected, without restricting the maximum through-flow rate, large enough to guarantee a proper over-ignition of the burner monitored by the valve. <IMAGE>
Patent GB-2076059-A (GB)
Title: Gerotor Pump
IPC: F04C23/00
Filed: 1981-05-01
Abstract: The pump is one for a gaseous fluid and has an elongate inlet port 50-1 positioned to communicate with a pumping chamber 48-1 between inner and outer rotors during a substantial portion of the intake phase of the working cycle and an outlet port 52-1 positioned to communicate with the pumping chamber only just prior to and at the end of the compression or exhaust phase of the cycle. The pump maybe an oil-sealed vacuum pump and have two gerotor sets disposed in tandem so as to effect pumping in two stages, Figure 1 (not shown). The inlet and outlet ports may be at opposite ends of the respective gerotor set so that the flow path therebetween is helical. <IMAGE>
Patent GB-2100398-A (GB)
Title: Vacuum drying machines
IPC: F26B5/04
Filed: 1981-05-14
Abstract: In a continuous vacuum drying machine for open width fabric, a roller sealing arrangement at the inlet (6) for fabric or outlet for fabric from the vacuum chamber (2) includes a set of resilient rollers (10,12) for sealingly gripping the fabric in a nip (14), hard rollers (28,30) bearing against the set (10,12) so as to provide sealing contact, and sealing strips (34,36) in turn bearing against the rollers (28,30) extending tangentially thereto and drawn against the rollers (28,30) by the vacuum inside the chamber (2). <IMAGE>
Patent GB-2098529-A (GB)
Title: Improvements in or relating to flaring or other press tools
IPC: B21D41/02
Filed: 1981-05-19
Abstract: Disclosed is a machine for flaring the ends of tubes in which the body portion (1) has an oblong slot (2) with an abutment (8) at one end (4) and in which is located a split die in which a workpiece is held. A first cam member (21) extends into the slot (2) and is adapted, on rotation, to close the die onto the workpiece and move the die against the abutment (8). A tool holder (40) carrying a punch (60) is located adjacent the other end (3) of the slot (2) and is caused to move towards and away from the workpiece by a second cam means (52) positioned behind the tool holder (40). <IMAGE>
Patent GB-2079957-A (GB)
Title: A capacitive pulse generator
IPC: G01R15/16
Filed: 1981-06-08
Abstract: A capacitive pulse generator for collecting electrical signals from a current carrying electrical cable, for example an ignition cable, is proposed which is characterised by a high measuring and operating accuracy. The pulse generator has two shells (24) of dielectric material each of which is fixed to a carrier and can be forced against the cable by the carriers. The inner curvature or the inner periphery of the said shells (24) is matched to the outer diameter or to the outer periphery of the cable and at the periphery each of the shells is provided with a metal lining (26) which form a tubular outer capacitor electrode when the shells are forced against the cable. The two shells of the dielectric material are made so elastically deformable or are subdivided in a laminated manner by transverse successive cuts (42) at a slight axial spacing from one another that the inserted cable is rigidly held concentrically with respect to the metal linings (26) of the shells (24) without an air gap even when the actual outer diameter or the actual outer shape of the cable deviates from the nominal diameter or from the inner shape of the pulse generator. <IMAGE>
Patent GB-2102837-A (GB)
Title: Manufacture of spheroidal graphite iron
Inventor: SAHAY A
IPC: C21C1/10
Filed: 1981-07-31
Abstract: A bed of a known nodularizing agent is formed within a ladle, and over it a protective crust or cover, at least one orifice being provided in said cover. Pretreated molten iron is introduced into said ladle to a level such as to allow the molten iron to flow into said bed whereby the nodularising agent is converted into a gaseous phase, the vapour being discharged through said orifice into the bath of molten iron. The bed may be inclined at an angle to the base of the ladle, and the cover may be formed of chemically bonded refractory.
Patent GB-2084684-A (GB)
Title: Methods of connecting together frame sections
IPC: E04B1/58
Filed: 1981-08-20
Abstract: The sections such as 20 of a frame for supporting at least one article of highway or carriageway "furniture" are connected together by holding the frame sections such as 20 in abutting relationship with preformed recesses 34 in the abutting surfaces 35 of adjacent sections opposite one another, and pouring molten metal into the mutually confronting recesses 34 of each joint by way of a respective pouring hole 39. The recesses 34 are so shaped that the metal filling the recesses 34 serves, when solidified, to prevent relative movement of the frame sections in all directions. <IMAGE>
Patent GB-2082882-A (GB)
Title: Plough having an apparatus for adjusting the cutting width
IPC: A01B15/14
Filed: 1981-09-02
Abstract: A reversible plough has a plough frame 9 carrying plough elements 19. The plough frame 9 is articulated to a stabiliser 4 having a rear wheel 27. The stabiliser is connected to plough couple 1 by a universal joint 7. A turning arm 12 is arranged on a swivel pin B for turning the plough. The plough frame is swivellably connected at 20 to the turning arm 12 by way of a slide block 22 and slide guide 23. Sliding the block 22 relative to guide 23 causes a change in the cutting width. If the angle between the direction of slide and the stabiliser arm 4 is less than 90 DEG  the change in cutting width is accompanied by a change in pulling point. The point of articulation between the stabiliser 4 and the plough frame 9 is adjustable to allow for a further adjustment of the pulling point. <IMAGE>
Patent GB-2084743-A (GB)
Title: Device for interrogating a measured quantity and for preprocessing the detected signal values
IPC: G01N30/86
Filed: 1981-09-21
Abstract: A description is given of a device for the machine-assisted generation and processing, by means of a digital arithmetic unit, of a peak spectrum to be formed during analysis of a multi- component sample. For the standardization of such a spectrum, the following steps are taken. Briefly before the actual measurement, a test is performed with a known quantity of one of the components of the sample. From the approximately known location and half-width of the standard peak produced during the test, a local interrogation interval is calculated which amounts to approximately 0.4 times said halfwidth. This interrogation interval varies linearly with the local dispersion in the spectrum. From the calibration series of measuring points, a numerical filter function is derived which, if applied to the standard peak, produces a standard curve which is preferably a negative second-order derivative of a Gaussian curve. The actual measuring series (the peak spectrum) Figure 3a is also subjected to the same filtering process, so that all peaks thereof also assume approximately the shape of the standard curve, that is to say each time with the same halfwidth Figure 3b. Any background signal present is also strongly suppressed thereby. Because the peaks each time have the same shape, partly overlapping peaks can be more readily separated. <IMAGE>
Patent GB-2107999-A (GB)
Title: Bench exerciser
Inventor: HUMPHREYS TERENCE
IPC: A63B21/078
Filed: 1981-10-24
Abstract: A bench exerciser comprises a bench unit (10) and a stand (16) provided with stirrups (20) for mounting a bar (22). The bar (22) is coupled to the stand by springs (24) which may be adjustable to vary the downward force exerted on the bar (22). <IMAGE>
Patent GB-2088039-A (GB)
Title: Electric Space Heaters
IPC: F24H7/06
Filed: 1981-10-27
Abstract: A combined radiation and storage heater comprises an electrical heating panel 1 containing an electric heating element backed by a sheet metal storage container 2 for heat storage material. The heat storage material is particulate material composed of metal slacks and furnace slacks or steel globules. The particulate heat storage material can be supplied to the interior of the container 2 through openings in the top of the container closed by pivotally mounted cover plates 3. A guard 5 can be mounted at the front of the appliance. The appliance is supported on feet 4. An electric timer 8 is arranged to switch the electric heating element in the panel 1 on and off intermittently, e.g. for periods of up to ten minutes. <IMAGE>
Patent GB-2087360-A (GB)
Title: Disposal Bin
IPC: A61M5/32
Filed: 1981-11-19
Abstract: A disposable container for used items of medical equipment such as hypodermic needles, has an entry chute (15) in its upper wall and an internal self-closing door flap (16) which will swing downwards to allow an object to enter and swing upwards under gravity to close the chute. When the container is full a locking probe (30) is inserted through a hole (27) in the top wall, where it is locked by barbs (33) and presses down on a lever (18) attached to the door (16) to hold the door positively closed without any risk of accidental opening. <IMAGE>
Patent GB-2112197-A (GB)
Title: Providing touch response in electronic instruments
Inventor: ISHIDA HIDEAKI
IPC: G10H1/34
Filed: 1981-12-24
Abstract: First to third switch contact pairs (2a to 2c, 5a to 5c) are provided for each of the performance keys of an electronic musical instrument such that they are successively closed in an interlocked relation to the operation of the relevant key. A first time interval from the closure of the first switch contact pair (2a, 5a) till the closure of the second switch contact pair (2b, 5b) and a second time interval from the closure of the second switch contact pair (2b, 5b) till the closure of the third switch contact pair (2c, 5c) are counted in a CPU, and their ratio is obtained therein. The tone color of output musical signal is controlled according to the value of this ratio, and the volume of the musical signal is controlled according to the second time interval. <IMAGE>
Patent GB-2120638-A (GB)
Title: Security bags
Inventor: PETRIE DEREK LEONARD
IPC: B65D33/34
Filed: 1982-05-24
Abstract: A plastics security bag has one or more lines of adhesive extending from both edges of the bag inside the bag, the arrangement being such that the bag can be completely sealed against egress of contents. The bag has particular utility for police forces who wish to secure the personal possessions of a detained person.
Patent GB-2100198-A (GB)
Title: Scraperboard
IPC: B44F1/06
Filed: 1982-06-04
Abstract: A scraperboard comprises a sheet of high impact plastics sheet, preferably polystyrene or filled polypropylene, having a dense, opaque, contrasting colour coating adhering to one or both surfaces of the plastics sheet. The coating may be removed by a manual scraping tool to scratch, engrave or cut into the plastics material to reveal the sheet colour in contrast to the coating thereby providing means to produce a design or picture. The sheet can be 0.5-8.00 mm thick and include metal powders or flakes. The coating can be resin bonded paints, inks or varnishes which is removed by the user by engraving, scraping or scratching. The flexibility of the sheet enables it to be used in a non-planar manner, e.g. a lampshade.
Patent GB-2121723-A (GB)
Title: An aid for reading or writing in a vehicle
Inventor: FORBES GEORGE ALFRED
IPC: B43L3/00
Filed: 1982-06-17
Abstract: A metal sheet or wooden or plastics board (20) provides a substantially rigid and generally flat writing and/or reading support surface for location on a vehicle steering wheel (23). A pair of spaced blocks (21,22) are secured to the upper edge of the rear surface of the board (20) and are shaped to receive the steering wheel therebetween to mount the board on the steering wheel. Alternatively, the upper edge of the board may be formed of channel section, with a central aperture in the channel receiving the upper portion of the steering wheel. <IMAGE>
Patent GB-2113700-A (GB)
Title: A method of making a particulate composition
Inventor: CLARK PETER JOHN
IPC: C08J3/205
Filed: 1983-01-14
Abstract: A particulate composition is made by forming a wet mix of ingredients which includes an unactivated dissolved binder, drying the mixture under conditions such that the binder is not activated by such drying, and granulating the dried mixture to form a powder. The dried particles are predominantly agglomerates of the mixture ingredients and these may be subsequently pulverised and graded to obtain particles falling within a desired size range. The composition can be used in the manufacture of friction elements for vehicle brakes and clutches, wherein the ingredients comprise phenolic resin binder, graphite, alumina and/or silica mineral fillers, copper and/or zinc metal particles, particles of rubber and/or friction dust and fibres of cotton, carbon and/or steel.
Patent GB-2127673-A (GB)
Title: Structure for attaching watch band to watch case
Inventor: NAGATA HIROMICHI
IPC: G04B37/14
Filed: 1983-10-03
Abstract: A structure for attaching a watch band to a watch case, comprises the watch band 30 having a cavity 32 and screw holes 34, 34, the watch case 40 having an arcuate curved surface 42 provided at an end face thereof and a recess 44, provided at a central portion of the arcuate curved surface, a flat connecting member 48 welded to a base surface of the recess and inserted in the cavity, and screws 38, 38 screwed into the screw holes for attaching the watch band to the watch case by pressed tapered faces 39, 39 of the screws to inclined side surfaces 53, 53 of the flat connecting member. <IMAGE>
Patent GB-2130501-A (GB)
Title: Adhesive coated sheet
Inventor: BUTTERS ALAN
IPC: C09J7/35
Filed: 1983-11-16
Abstract: An adhesive coated carrier sheet suitable for use as a montage foil in microfiche techniques, printing plate production, and the like. The sheet comprises a light- transmitting substrate, such as a polyester film, and an adhesive coating layer comprising a thermoplastics resin, such as a thermoplastics block copolymer, and at least one tackifier selected to provide a coating layer which is non-tacky at ambient temperature but tacky in the temperature range of from 55 to 170 DEG C, and which has a relatively low peel strength.