baber/WOPTO huggingface dataset:
Patent GB-2040535-A (GB)
Title: Microcomputer Educational Apparatus
IPC: G09B19/00
Filed: 1979-01-25
Abstract: Teaching and/or training apparatus is provided for demonstrating basic functions of a microcomputer in simplified manner. The apparatus comprises in combination; a microprocessor (1); a read only memory (2) containing monitor programs; a program memory and a data memory comprising one or more random access memories (3); an input/output interface device (4); manual input switching means (5), (6), and means (9), such as lamps or light emitting diodes, to display data output. The apparatus is characterised by having a single addressing mode, a fixed word length of 8 bits for program instructions and for data to be processed, and is capable of handling a number of instructions of not less than eight but not more than twenty. The monitor programs allow data and program entry by way of the input switching means and enables the programs so entered to be tested and run. Means may be provided to indicate operator error which results in incorrect entries being made. <IMAGE>
Patent GB-2024302-A (GB)
Title: Staple for use with a hasp
IPC: B21D53/38
Filed: 1979-04-19
Abstract: A staple for use with a hasp comprises a sheet metal base 10 and a U-shaped wire element 18 with outwardly turned lugs 20 at the ends of its legs and bridge portions 22 of the base 10 embrace the lugs 20 to constrain the element 18, but allow it to pivot relative to base 10; a slot (14) in base 10 narrower than the thickness of element 18 holds element 18 captive to base 10. Manufacture of the staple is illustrated in Figures 5, 6. To secure the element 18 to base 10 (see Figure 6) the base is formed with an I-shaped slot (24) and a punch 44 presses the base 10 over element 18 to form bridge portions 22 and to narrow the slot. <IMAGE>
Patent GB-2022020-A (GB)
Title: Improvements in or Relating to Printing Apparatus
IPC: B41J19/96
Filed: 1979-05-02
Abstract: For use in a cash register a device for advancing a ticket web 69 with variable increments includes a cam 29, cam follower 32 and an electronically operated stop 45 which limits the movement of the follower 32. The follower 32 drives the web 69 via pawl 40 and ratchet 39. The stop 45 engages the follower 32 when electromagnet 45B is energised; this causes a feed equal to a single line space. When the electromagnet 45B is energised the cam surfaces 29B, 29D provide advances equal to five and two line spaces respectively. In the cash register the web is advanced through a sequence of seven, one and two line spaces respectively following depression of an account tendered key. A second cam 30 controls hammer 50 impressing type wheels 25 and pad 51 impressing fixed information printing plate 51A. Unless the electromagnet 45B is energised pawl 65B prevents notch 63D engaging pin 65 and so prevents operation of the pad 51. <IMAGE>
Patent GB-2020338-A (GB)
Title: Fibrous ceiling boards and suspended ceilings
IPC: C04B16/06
Filed: 1979-05-02
Abstract: A fibrous board for a suspended ceiling comprises an effective amount of fibre which when subjected to fire conditions carbonize to form carbon fibres, so that the board is rendered sag-resistant. The carbon-precursor fibres may be of polyacrylonitrile, rayon, pitch or phenolic.
Patent GB-2024713-A (GB)
Title: A nylon/olefin polymer laminate film and method of preparing it
IPC: B32B27/08
Filed: 1979-07-03
Abstract: A nylon/olefin polymer especially nylon/polyethylene laminate film is useful for packaging food to be cooked in hot water. However, special steps are required to bond the nylon and olefin polymer firmly enough to prevent delamination in these severe conditions. Various adhesives have been tried and in particular combinations of use of an ionomer as adhesive and irradiation of the laminate film. However, a high dosage of radiation is required. The solution to this problem provided by the present invention involves use as an adhesive of an ethylene-vinyl acetate copolymer and irradiation of the laminate film. A dosage as low as 2.0 megarads is possible using this adhesive.
Patent GB-2030107-A (GB)
Title: Coupling between a mechanical lifting jack and operating handle
IPC: B66F3/12
Filed: 1979-07-19
Abstract: A coupling for coupling together a spindle 1 of a mechanical lifting jack and a cranked handle 3 comprises a flat connecting member 2 provided on one end of the spindle 1, said member 2 having a slot to form a hook-like member, and a forked member 4 provided on the cranked handle 3, said member 4 having a transverse bolt 5 engagable in the slot and about which the handle 3 can be universally pivoted by providing suitable clearances as shown. <IMAGE>
Patent GB-2032482-A (GB)
Title: A Method and Apparatus for Producing Stranded Wire
IPC: D07B7/02
Filed: 1979-09-28
Abstract: To increase the filling factor of stranded wire, there is provided a frame (1) of a pressing tool comprising a set of rolling rolls (8) through which the stranded wire (17) is drawn. As a result of a decrease in sliding friction between rolls (8) and the stranded wire (17), the inwardly-directed component of compression force acting on the stranded wire (17) is large compared to the rearwardly- directed component of the compression force acting thereon. Hence, there is a greater increase in the filling factor than would be obtainable without the use of rolls. To achieve a more uniform compression of the stranded wire (17), the frame (1) may be provided with a second pressing tool comprising a set of rolling rolls (6) angularly offset relative to the first pair of rolling rolls. <IMAGE>
Patent GB-2041482-A (GB)
Title: Pipe insulator
IPC: F16L59/12
Filed: 1979-12-12
Abstract: The invention is concerned with a plastics insulator suitable for use in the re-insulation of jointing points, branch points and bends, where insulation has been stripped from metallic conduit pipes preinsulated at the factory; which insulator consists of two complementary half-shells 1, the parting plane of which coincides with the axial direction of the conduit pipe, which half-shells are releasably joined to one another around the piece of pipe from which insulation has been stripped, by means of studs and cooperating bores. The insulator of the invention is characterised in that: the bores (9) have a chamfer (9a) Fig. 4 and an undercut; the studs (8) have a co-operating chamfer (8b) (Fig. 5) and portion of reduced diameter; and the studs (8) are so formed that, upon assembly of the half-shells (1), they resiliently expand into the undercut of the cooperating bore (9). <IMAGE>
Patent GB-2048294-A (GB)
Title: New azo pigments
IPC: C09B35/033
Filed: 1980-02-19
Abstract: The present invention provides new pigments having the formula   <IMAGE> wherein R1, R2, R3, R4 and R5 are the same or different and each is hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C6-C10 aryl, C6-C10 aryloxy, halogen, nitro, cyano, trifluoromethyl, -CO2R wherein R is hydrogen, C1-C4 alkyl or phenyl; -CONHR wherein R has its previous significance, -NHCOR wherein R has its previous significance, -SO2NHR wherein R has its previous significance, -SO2N(R6)2 wherein R6 is C1-C4 alkyl; or two ortho substituents from R1, R2, R3, R4 and R5 can combine to form an isocyclic or heterocyclic ring, which may itself contain an additional fused isocyclic or heterocyclic ring; n is 1 or 2; when n is 1, A is the residue of a diazotisable monoprimary amine A1NH2 wherein A1 has the formula:-   <IMAGE> wherein R1, R2, R3, R4 and R5 have their previous significance; and when n is 2, A is the residue of a tetrazotisable di- primary amine H2N-A2-NH2 wherein A2 is an arylene group, optionally substituted with up to four of C1-C4 alkyl, C1-C4 alkoxy, halogen, nitro or CO2-R.
Patent GB-2047712-A (GB)
Title: A human serum DNA-binding protein
IPC: G01N33/68
Filed: 1980-04-10
Abstract: Inhibitor protein X in its substantially pure form having the following characterising properties:     (i) it is a protein isolatable from human blood serum; (ii) it has a molecular weight of about 64,000 daltons and a Pl of 5.9; (iii) it inhibits bleomycin-induced degradation of PM-2 DNA by binding to the DNA; and (iv) it is found in lower concentrations in the serum of human beings having cancer than in the serum of cancer-free human beings. h
Patent GB-2057249-A (GB)
Title: Improvements in or relating to an insulating vessel
IPC: B65D81/38
Filed: 1980-05-01
Abstract: An insulating vessel to contain singly and snugly a wine bottle comprises a container member (1) located substantially within an outer jacket (2, 3) to define a space therebetween. The space may be either filled with air or partially evacuated or filled with an insulating material. <IMAGE>
Patent GB-2049647-A (GB)
Title: Process for Producing Aluminium Fluoride
IPC: G01N27/02
Filed: 1980-05-08
Abstract: The invention concerns processes for the production of high purity aluminium fluoride tri-hydrate by the reaction of fluosilicic acid with aluminium hydroxide, filtering off SiO2 and precipitating ACF3 3H2O in the metastable filtrate, wherein the course of the reaction is checked or controlled by means of measurements of specific electrical conductivity. Usefully, no excess fluosilicic acid or aluminium hydroxide need be used in the process. Furthermore, fluctuations in the reaction parameters, viz: the quantities, concentrations, and temperatures, can be kept under control by means of a variable reaction time and can be compensated for. This leads to a constant, optimal yield and to reproducible constant conditions for filtering off the silica. The problems which arise in production as a result of the silica being difficult to filter off, due to not properly maintaining the operational parameters, can therefore be avoided by means of the said process.
Patent GB-2051547-A (GB)
Title: Tractor hydraulic control systems
IPC: A01B63/10
Filed: 1980-05-08
Abstract: A tractor hydraulic control system including an actuator (12) for raising and lowering an implement hitch (10, 11). The supply of fluid to and exhaust of fluid from the actuator is controlled by a main control valve (17) and an actuator locking valve (80) is provided in the connection between the actuator and main control valve. The locking valve comprises a housing (100) including a hydraulically balanced and slidable spool (83a) with a valve member (83), a valve seat (84), and a manually operable actuating means (101) extending from the housing and connected with the spool to allow the valve member to be brought into contact with the seat to lock the actuator in a particular position. The valve member is arranged to be held in contact with the seat by differential pressure. <IMAGE>
Patent GB-2469612-A (GB)
Title: VSTOL aircraft
Inventor: LEWIS WILLIAM JAMES
IPC: B64C21/04
Filed: 1980-11-26
Abstract: An aircraft having a gas turbine engine 11 with vectorable cold and hot nozzles 21, 23 is provided with ducting 24 in the wing which extends from an inlet facing downwards to an outlet in the upper surface of the wing extending as a thin slot lengthwise of the wing and being directed rearwardly. The cold vectorable nozzles 21 of the engine 11 are designed so that they can be swung from a vertical downward position to provide vertical lift to a horizontal position directed rearwardly to produce forward thrust and also to a position where they are directed upwardly and discharge into the ducting 24. In this way, the air discharged through the outlet of the ducting 24 enhances the aerodynamic lift produced by the wing at slower speeds by inducing air flow over the wing. In addition, the forward component of the thrust produced in the ducting provides forward thrust on the aircraft, whilst additional forward thrust is produced by swivelling the hot nozzles.
Patent GB-2068467-A (GB)
Title: Hydraulic control arrangement
IPC: E21F13/08
Filed: 1981-01-22
Abstract: A hydraulic control arrangement is provided for controlling the supply of pressurised hydraulic fluid to a plurality of hydraulic rams A to E, especially for controlling the supply of a pressurised water-oil emulsion to the hydraulic rams of an underground mining installation. A plurality of piston-and-cylinder units 34, 35 Fig. 3, supplies the hydraulic rams A to E controlled by means 19. The piston- and-cylinder units form part of a radial-piston pump 13. A respective hydraulic line is provided for each hydraulic ram A to E. Each hydraulic line 11 is fed with pressurised hydraulic fluid from at least one piston-and-cylinder unit 34, 35 and each has a metering chamber for supplying a predetermined, metered amount of pressurised hydraulic fluid to the associated hydraulic line 11. Each piston-and-cylinder unit 34, 35 carries out a plurality of working strokes in order to supply the associated hydraulic ram A to E with the required total volume of pressurised hydraulic fluid. The control means 19 controls the required total volume of pressurised hydraulic fluid to be supplied to each hydraulic ram A to E. <IMAGE>
Patent GB-2092848-A (GB)
Title: Voltage level detector circuit
IPC: G01R19/165
Filed: 1981-01-31
Abstract: A fail-safe voltage level detector circuit, for monitoring, for example, the cyclically varying voltage supplied to a flashing signal lamp, has a d.c. supply and includes a main switching transistor (TR2) the base of which is connected to a reference voltage, and the input to which is derived from the voltage to be monitored through an integrating capacitor (C1) and an input transistor (TR1) having a common emitter connection to the main switching transistor. The reference voltage is established by a potential divider which includes a zener diode (ZD) and two resistive networks (R1, R4, TR3 and R1, R4, R5, TR4) which are connected to the zener diode upon switching on and switching off respectively of the switching transistor, to determine two different threshold voltages for the switching on and off of said transistor. A complete switching cycle of the transistor occurs only when to the input signal to the detector circuit swings through a voltage range spanning upper and lower predetermined voltage levels, thereby proving correct voltage modulation of the signalling lamp. <IMAGE>
Patent GB-2072933-A (GB)
Title: Manganese dioxide-containing cathode, its use and preparation
IPC: H01M4/06
Filed: 1981-03-30
Abstract: There is disclosed a manganese dioxide-containing cathode comprising heat-treated manganese dioxide, a binder and a conductive agent and wherein the walls of the pores of the cathode are coated with a vapour deposited organic solvent thereby reducing its affinity for absorbing moisture when exposed to a moisture environment for a fixed time period. There is also disclosed a method for producing the organic solvent treated manganese dioxide- containing cathode, and an electrochemical cell containing such a cathode.
Patent GB-2075666-A (GB)
Title: Improvements in or relating to underfeed stokers
IPC: F23K3/14
Filed: 1981-04-22
Abstract: An underfeed stoker incorporates a retort (8) on which are mounted tuyeres (10) having inwardly directed outlets (20). The tuyeres (10) are profiled to give sufficient residence time for the complete combustion of fuel in the retort (8). A bevelled refractory ring (22) surrounds the tuyeres (10) and the bevel face (24) assists in the discharge of solid combustion residue from the retort (8). <IMAGE>
Patent GB-2100987-A (GB)
Title: Cryosurgical probe
Inventor: BALD WILLIAM BALFOUR
IPC: F25B9/14
Filed: 1981-06-12
Abstract: Existing cryosurgical probes are normally cooled by a low boiling point liquid such as liquid nitrogen or by utilizing the Joule-Thomson expansion principle which requires a high pressure gas supply. The present invention adopts the single or multi-stage pulse tube principle to achieve probe tip temperatures down to about 85K using significantly lower gas supply pressures than Joule-Thomson devices. The lower gas supply pressure is well within the capabilities of small industrial compressor units thus making pulse tube cryoprobes available to surgeons in remote areas of the world where cryogenic liquids or high pressure gases are unattainable. <IMAGE>
Patent GB-2079062-A (GB)
Title: Thermal switches
IPC: H01H37/36
Filed: 1981-06-24
Abstract: A thermal switch for controlling a two speed fan for cooling the engine of a motor vehicle comprises a capsule 11 containing wax 13 which is sensitive to the temperature of the cooling fluid of the engine, a piston 12 movable by the wax 13, a slide 28 movable by the piston 12 and carrying two switch actuating members 30, 31, and switch means 16 having connection terminals 17, 18, 19 and two push buttons 20, 21 which are actuable at different temperatures by the actuating members 30, 31. <IMAGE>
Patent GB-2082610-A (GB)
Title: Improved polyimide resins
IPC: C08G73/06
Filed: 1981-07-28
Abstract: This invention relates to an improved polyimide resin and to a method of its production. The improved polyimide resin is made from phenanthrene which is converted via a 9, 10-diol to oligomers of diphenic anhydride units linked by keto bridges. The oligomers are reacted with from 0.1 to 0.6 of an equivalent quantity of an aromatic primary diamine. The remaining anhydride groups are reacted with a monofunctional amine to give a polyamide of lower cross-link density than those prepared using only diamine. The resin will find use for instance in forming glasscloth laminates.   Resins prepared by a similar method but using ammonia in place of the mono-amine are also mentioned.
Patent GB-2081148-A (GB)
Title: Multi-strand Continuous Casting Apparatus
IPC: B22D11/04
Filed: 1981-08-07
Abstract: Each of the strands, (9a, 9b and 9c) emerging from a group of moulds (2a, 2b and 2c) forming a mould assembly (1) is supported by a respective pair of foot rolls, (15a, 15b). The rolls are arranged relative to a respective plane of symmetry (14a, 14b and 14c) perpendicular to a central reference surface (3) of the mould assembly. The reference surface (3) of the mould assembly is defined by the two opposite vertices (4) of each mould. The arrangement allows foot rolls to be used whilst saving space between the moulds. <IMAGE>
Patent GB-2088104-A (GB)
Title: Data memories
IPC: G11C19/08
Filed: 1981-11-11
Abstract: A data memory for storing n bit data words comprises n bubble memories (e.g. (6)) each storing a respective single bit of each data word. The n bubble memories are stepped in parallel with each other and at some of the addresses to which the data memory is stepped a further memory (31) is examined to determine whether any of the n bubble memories has stepped to an unuseable address. If any particular memory is identified as having stepped to an unuseable address it is independently stepped to the next useable address. Parallel stepping of the n bubble memories then continues. <IMAGE>
Patent GB-2088442-A (GB)
Title: Improvements in Overload Protection for the Drive of Mining Equipment
IPC: E21C35/24
Filed: 1981-11-12
Abstract: A drive unit for mining equipment is protected against overloading by electrical sensing means (14, 15) monitoring the load in a transmission component, such as a shaft (12), and a coupling device (13) which disengages the drive in the event of overloading. <IMAGE>
Patent GB-2120807-A (GB)
Title: Burner control
Inventor: ELLIS RONALD
IPC: F23N5/20
Filed: 1982-03-06
Abstract: A control system for an oil burner comprises TRIACs 51, 57, 62 for switching on an air blower, an igniter and a solenoid valve for oil feed; solid- state drive circuitry for the TRIACs; circuitry for inhibiting the drive circuitry in response to a lock-out signal; and logic circuitry for providing control signals to the drive circuitry and a lock-out signal to the inhibiting circuitry. It determines, (a) the period for which the blower and igniter operate together to purge the nozzle, (b) the period for which the igniter remains operating with the solenoid valve also open (when a flame is normally established), and (c) the period for which the system is locked-out if a flame is not established when the igniter is turned off (or if a flame, once established, becomes extinguished). An indicator is energised when the drive circuitry is inhibited and a manual reset enables the ignition sequence to be restarted. <IMAGE>
Patent GB-2099117-A (GB)
Title: Stemming shot holes
IPC: F42D1/28
Filed: 1982-05-07
Abstract: A method of stemming shot holes, in which the transport of water is largely eliminated whilst preserving effective standards of tamping, involves the use of a stemming ampoule containing a gel-forming stemming composition and having a sealable filling aperture (5), the ampoule being filled with water outside the shot hole, the final paste stemming material being produced before the ampoule is introduced into the shot hole. The composition may be present as tablets, granules or flakes, and may be present as a reservoir attached to the inside wall of the ampoule. A tear-off strip may be provided and removed to permit the paste to exude.
Patent GB-2103732-A (GB)
Title: Improvements in or relating to heat exchangers
Inventor: ALLEMANDOU MICHEL
IPC: F28F9/14
Filed: 1982-07-02
Abstract: The packing (4) for providing a seal between a tube end plate (1) and a tube (2) comprises at one end thereof a bearing flange (8) in which are made notches (9) having a width which is determined so that the total perimeter of the flange (8) be reduced to that of the smallest perimeter of the tube passage (7) when the flanges are deformed during engagement of the packings. The notches may only extend partly through the radical thickness of the packing and may be semi circular in section. <IMAGE>
Patent GB-2125905-A (GB)
Title: Fluid actuator for shower assemblies
Inventor: REISS HANS FRIEDRICH SILVA
IPC: F03C1/10
Filed: 1982-08-13
Abstract: Means for controlling reciprocation of the shower pipe of a shower assembly for use inter alia in the paper and board manufacturing industries, comprises a cylinder 1 and piston 2 which separates the cylinder into two chambers 4, 5; a rod 3 is connected to the piston 2 extends through the chamber 5 and is adapted for connection to the shower pipe for reciprocation thereof. The chambers 4, 5 are connected to a source of pressurized fluid and exhaust via throttle means by a two-position valve 6 controlled by proximity switches P1, P2, which sense the presence of the piston in its limit positions. To reduce the dwell time when the chamber 5 is initially connected to the source of pressurized fluid, the chamber 4 is temporarily connected via an auxiliary valve 8 to exhaust, the connection being broken as soon as the piston starts to move. <IMAGE>
Patent GB-2105360-A (GB)
Title: Sealing compositions
Inventor: SINNOTT KENNETH MARTIN
IPC: C08L7/00
Filed: 1982-02-12
Abstract: Metal particles are included as part or all of the filler in a sealing composition suitable for sealing container ends and that includes a rubbery polymer such as a styrene butadiene copolymer, and optionally also a tackifying resin.
Patent GB-2109402-A (GB)
Title: Method for maintaining activity of zeolite catalysts
Inventor: SHIHABI DAVID SAID
IPC: C10G11/05
Filed: 1982-09-30
Abstract: Zeolites used in catalytic conversion processes such as cracking, hydrocracking and dewaxing are activated by co-feeding (a) water and/or a water precursor and/or (b) hydrogen sulphide and/or a hydrogen sulphide precursor with the feedstock. Suitable water precursors include alcohols such as methanol, ethanol, propanol, butanol and pentanol.The method maybe used to restore lost activity or maintain a given level of activity.