baber/WOPTO huggingface dataset:
Patent GB-2054805-A (GB)
Title: Detonator assembly for oil well perforating gun
IPC: F42D1/04
Filed: 1979-07-27
Abstract: A safe/arm detonator assembly for use with an oil well perforating gun assembly having two housing members (30, 32) sealingly isolated from well bore fluid and which are rotatable from a safe position wherein a detonator (40) and a booster (44) are held out of alignment, to an armed position wherein the detonator and booster are moved into alignment. The detonator assembly is further arranged to be installed in a well perforating gun assembly such that the gun assembly may be transported with the detonator assembly in the safe position, and rotated to the armed position at the well site without disassembling the gun assembly. A safety pin may protrude from one of the housing members across a cavity (31) between said members to cover and protect the booster from accidental detonation when the detonator assembly is in the safe position. The detonator and booster cavities (41, 45) may be held aligned by a detent ball (62). <IMAGE>
Patent GB-2032412-A (GB)
Title: Apparatus for purifying polluted liquids
IPC: C02F1/24
Filed: 1979-08-29
Abstract: The invention is an apparatus for purifying polluted liquids, especially water. The apparatus comprises a vessel with a relatively large length to width ratio including a reaction zone for contacting the liquid with a gas, separated from the rest of the vessel by a downflow-upflow wall, having a liquid inlet means for introducing a liquid into the reaction zone, the flotation zone connected with the reaction zone occupying the rest of the vessel and a skimmer disposed at the end of the flotation zone for skimming off the floating materials to a channel arranged transverse to the longitudinal axis of the vessel and means for removing the purifying liquid from the apparatus.
Patent GB-2036410-A (GB)
Title: Optically Inscribable Record Carrier
IPC: G11B7/24
Filed: 1979-11-05
Abstract: A record carrier 1 is described which comprises a substrate 8 which on at least one side is provided with a layer 9 in which a user can record information using optical radiation. The record carrier already contains an amount of standard information 4 which is of use to different users. The user then has access to a large amount of information and need only record the information in the portions 5 which is of specific use to him. 
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Patent GB-2075649-A (GB)
Title: Refrigeration system with defrost circuit
IPC: F25D21/06
Filed: 1980-05-02
Abstract: A vapour compression refrigeration system has a two-way solenoid valve (19) for directing relatively hot vapour from the refrigeration circuit around a defrost circuit (26). The refrigerator circuit includes a heater (17), including a thermal store (20), for heating the vapour, located upstream of the valve. The valve may be de-energised should the temperature within the cold cabinet (13) of the refrigeration system become too high. <IMAGE>
Patent GB-2050660-A (GB)
Title: Flowmeters
IPC: G01F15/06
Filed: 1980-05-02
Abstract: A flowmeter, particularly for use in calorimetry, measures the rate of flow of a medium by a turbine-wheel flow pick-up device (6) having pulse transmitter system (IG), the rate of pulse output being proportional to the rate of flow. To adapt the flowmeter for microprocessor-controlled data collecting systems with the minimum of hardware and a degree of accuracy limited only by the pick-up device (6), the output line (25) of the pulse transmitter (IG) is connected directly or via a pulse height matching amplifier (V) to at least one input pin (31) of a digital input port (28) of a microprocessor (16), the state of the output line (25) being read by the microprocessor (16) through the digital input port (28) and tested at a frequency at least twice the maximum frequency of the pulse transmitter (IG) to detect changes in that state, the number of changes being counted by a software-type counter to determine the rate of flow. The flowmeter is also used for measuring characteristics of heat transporting systems. <IMAGE>
Patent GB-2052451-A (GB)
Title: Apparatus for controlling the movement of a plurality of sheet loading devices
IPC: B65H39/04
Filed: 1980-05-16
Abstract: An apparatus for moving individual loaders with respect to a bookbinding or like machine, in particular a collator, allows the loaders to be automatically moved by an equal distance. The arrangement comprises a common forward-reverse selector (5) for the loader-moving motors (3), which is included in a parallel circuit comprising remote control switches (4) for switching such motors on and off. This arrangement is also useful for displacing the supporting and transport devices of loader elevator belts. The circuit may be electrical, pneumatic or hydraulic. <IMAGE>
Patent GB-2051790-A (GB)
Title: Process for the production of serine derivatives
IPC: C07C227/16
Filed: 1980-05-22
Abstract: Serine derivatives of the formula   <IMAGE> where R is phenyl, substituted phenyl, tert-alkyl or a heteroaromatic mono- or bi-cyclic radical, R' is hydrogen or lower alkyl and R'' is hydrogen, lower alkyl or phenyl, are prepared by condensing an alkali metal salt of a glycine derivative of formula   <IMAGE> where M is Na, Li or K, dissolved in an aqueous solution of an alkali metal hydroxide, with a carbonyl compound of formula   <IMAGE> located in an organic phase, in the presence of a phase-transfer catalyst.
Patent GB-2080069-A (GB)
Title: Noise Modulated Source
IPC: H03B29/00
Filed: 1980-07-11
Abstract: An electrical circuit 1 applies noise modulation to a Gunn diode 2 which propagates microwave energy along a waveguide 3. The circuit 1 has a zener diode 11 maintained at its reverse breakdown voltage by being connected in reverse bias across a power supply 10. The noise generated by the diode 11 is supplied to the input of a two-stage common emitter amplifier 13 which in turn provides the input to a high current gain Darlington pair amplifier 15. A second zener diode 16 is connected at the bias stage of the Darlington pair amplifier 15 to prevent negative-going noise excursions. The output of the Darlington pair amplifier 15 is applied as noise modulation to the Gunn diode 2. <IMAGE>
Patent GB-2060671-A (GB)
Title: Azo Compounds
IPC: C09B29/34
Filed: 1980-07-24
Abstract: The azo compounds are represented by the general formula:   <IMAGE> wherein X is hydrogen or halogen. The azo compounds are useful as precursors of disperse dyes and basic dyes and effective for therapeutic treatment.
Patent GB-2062742-A (GB)
Title: A Latch for a Door or Gate
IPC: E05C3/16
Filed: 1980-08-05
Abstract: A latch for a door or gate comprises a gravity-operated bolt (4) pivoted at (3) and engaging in a keeper (9), release being effected by lever (12). The latch bolt 4 is pivoted at a slot 13 so that it can be slid longitudinal under a blocking abutment 10 to prevent its release. <IMAGE>
Patent GB-2082481-A (GB)
Title: Application of handles to container bodies
IPC: B65D25/32
Filed: 1980-08-28
Abstract: Method and apparatus for applying a handle to a container, wherein the container is oriented at a orienting station (21), preferably by rotating it about its longitudinal axis, with respect to the two ends of an elongate handle to be applied to the container, such that the ends of the handle are in register with respective opposite positions on the container, and wherein the handle ends are secured, preferably by riveting, to the respective opposite positions on the container simultaneously at a locating and riveting station (24). An intermediate rotating and feeding station (23) intermediate one or more orienting stations (21, 22) may be provided, as well as a rivet supply at the locating and riveting station (24) and a handle supply (25). The automatic application of the rivets to the container at the same time as the carrying handle is applied thereto eliminates the need to provide the rivets in the container side wall before handle application. <IMAGE>
Patent GB-2084058-A (GB)
Title: Blade sharpener
IPC: B24D15/06
Filed: 1980-09-23
Abstract: A device for sharpening cutting edges such as straight or serrated blades 21 is disclosed herein having an elongated base 11 provided with star- shaped openings 16, 17 intended to insertably receive triangular sharpening elements 13, 14 so that a selected side of the triangular element is exposed against which one side of the blade to be sharpened may be drawn. Each of the triangular elements includes an elongated element composed of a suitable porcelain material which includes at least three substantially flat surfaces which are joined together by a small radius. Each of the star-shaped openings are angularly disposed with respect to the horizontal at a predetermined angle so as to orient the sharpening element to a desired degree with respect to the edge to be sharpened when the edge is held in a vertical plane. A further element may be inserted into an opening 18 in the base for use in sharpening the blades of scissors. In groove 33 in the elements is used for sharpening fish hooks. An embodiment is described having cylindrical elements. <IMAGE>
Patent GB-2064289-A (GB)
Title: The rearing of poultry
IPC: A01K31/18
Filed: 1980-11-27
Abstract: A method of brooding chickens in which the floor area and volume of a heated space that they occupy are progressively increased. The chickens are initially housed in a tent-like structure which is located in a conventional broiler house and the walls of the tent-like structure are progressively moved outwardly and finally removed.
Patent GB-2092550-A (GB)
Title: Carrier bag
IPC: B65D33/24
Filed: 1981-02-07
Abstract: A carrier bag is formed from a web of plastics material and has a front panel 15 and a rear panel 14. Rear panel 14 is folded in to produce a pocket between its edge portion 14a and an adjacent portion 14b beneath an edge portion 15a of panel 15. The ends of portion 15a are freeable from the rest of the panel to form a flap which can be tucked into the pocket to form a weatherproof closure. A handle structure 17 comprises slots 18 in these three portions which are aligned in the manufacture and tucked configurations, patch reinforcement for the handle structure 17 being provided by patches 19, 20 adhered or welded to the outsides of portions 14b and 15a. <IMAGE>
Patent GB-2071108-A (GB)
Title: Microbiologically prepared polypeptide comprising the amino acid sequence of human interferon, DNA and plasmids which code for this sequence, microorganisms which contain this genetic information, and processes for their preparation
IPC: C12P21/02
Filed: 1981-02-16
Abstract: Recombinant DNA technology is utilized in the production of interferon and there is provided a microbiologically produced polypeptide, all or part of which comprises the amino acid sequence of human interferon, especially leukocyte ( alpha ) interferon; a cDNA which codes for such a polypeptide; a plasmid especially plasmid pBR 322, which comprises the cDNA; and a microorganism, for example, E. Scherichia coli, especially E.coliK12 or E.coliX 1776, which comprises the genetic information required for the production of such a polypeptide. The cDNA is prepared using mRNA obtained from human leukocytes and/or cells of a human lymphoblastoid cell line.
Patent GB-2076758-A (GB)
Title: Fuel Tank and Filler Pipe Therefor
IPC: B60K15/04
Filed: 1981-05-08
Abstract: A filler pipe (1) for a fuel tank (2) comprises an outlet which terminates in a Venturi (8) positioned downstream from an internal vent pipe (4). The Venturi reduces return flow of fuel during and immediately after filling. <IMAGE>
Patent GB-2079880-A (GB)
Title: Brake pressure control valve
IPC: B60T8/26
Filed: 1981-05-26
Abstract: A pressure control valve for a vehicle brake system is an integrated component of a brake hose 6. At least one end 4 of the valve housing 1 is connected non-detachably to the hose. One end 2 may have a screw thread 3 for engagement to a brake cylinder. <IMAGE>
Patent GB-2075481-A (GB)
Title: Battery Cathodes and Methods of Making Them
IPC: H01M4/02
Filed: 1979-08-20
Abstract: A battery cathode comprising MoO2 is made by baking finely divided MoS2 in O2 containing atmosphere to form MoO3, baking in a reducing atmosphere to form MoO2, applying a suspension of MoO2 particles in viscous liquid to a substrate and baking to drive off the liquid. In a modification MoS2 particles are baked in O2 to convert at least part to MoO2 and particles thus formed are similarly applied to the substrate.
Patent GB-2077710-A (GB)
Title: Synthesising a polysilane
IPC: C01B33/04
Filed: 1981-06-03
Abstract: A polysilane of formula -(-SiHn-)-x where n is 1 or 2 and x is large (10, 20 or more) may be a precursor of amorphous silicon films and is synthesised by treating SiHmX4-m, where m is 1, 2 or 3 and X is halogen, preferably SiH2C12 or SiHC13, with lithium suspended in a liquid inert to the reagents and non-solvent for the polysilane, preferably tetrahydrofuran.
Patent GB-2081454-A (GB)
Title: Monitoring human body movement
IPC: A61B5/11
Filed: 1981-08-05
Abstract: Apparatus for monitoring infant body movement comprises a variable capacitance sensor 1, formed by a plurality of juxtaposed conductive sheets spaced apart by insulating sheets, which is placed adjacent the infant so that body movement varies the opening between the sheets. The resulting change in capacitance alters the frequency of an oscillator 26 connected via a frequency-voltage converter 27 to a voltage comparator 28 which produces an output only when there is no movement. An adjustable delay 34 prevents actuation of an alarm display 36, and optionally an audible alarm until there has been no movement for a preset time. Display 35 indicates whether movement is being detected. The sensor 1 comprises a stack of metal foil sheets each completely coated with plastics film and alternately connected to conductive fastening bolts in an insulating strip. <IMAGE>
Patent GB-2094354-A (GB)
Title: Producing Mn-Fe alloy by carbothermic reduction
IPC: C21B13/12
Filed: 1981-10-19
Abstract: A method is provided for producing molten metal consisting mainly of manganese and iron. The method comprises the steps of injecting a pulverulent material, containing manganese oxide, directly into a smelting reduction zone, together with coal and/or hydrocarbons, in powder form. The smelting reduction zone is continuously produced by the supply of heat energy e.g. from a plasma generator in a shaft filled with solid reducing agent. Examples include the production of ferromanganese and ferrosilicon manganese.
Patent GB-2091835-A (GB)
Title: Two-part rivet
IPC: F16B19/08
Filed: 1982-01-15
Abstract: A two-part fastener consisting of a pin (312) and a tubular collar (342) adapted to be set by a tool (350) having a set of pulling jaws (418) to grip the pin (312) and a swaging anvil (360) for swaging the collar (342) onto the pin (312) and in which the pin (312) has a set of annular combination grooves (318) which can function as locking grooves and a selected one of which can function as a breakneck groove and a set of pull grooves (402) of a different construction which can function only as pull grooves (402), so that as the fastener is set, the pin will break off in a preselected one of the combination grooves within the outer end of the tubular member (42); wherein the combination grooves (318) and the pull grooves (402) have the same pitch whereby the teeth of the pulling jaws (418) can engage the combination grooves (318) and the pull grooves (402) separately or simultaneously according to the thickness of the workpieces (338a, 340a). <IMAGE>
Patent GB-2109690-A (GB)
Title: Dose metering plunger devices for use with syringes
Inventor: TURNER ROBERT CHARLES
IPC: B01L3/02
Filed: 1982-02-11
Abstract: A device for use with a syringe comprises a member (17) which is integral with or fixed to the cylinder (10) of the syringe and is in engagement with a plunger (13) rotated by a manually-rotatable cap (30) acting through a ratchet and pawl (32, 34) whose wheel (26) drives a rod (24) which is keyed to the plunger (13) which engages the piston or plug (11) of the syringe. A stop (42) limits rotation of the cap (30) which can be turned away from the stop through a variable angle to a selected position shown on a scale (39), the pawl (32) overriding the teeth (34), to preset a dose. The cap (30) can be turned back to the stop, rotating the plunger (13) via the ratchet and pawl and causing the plunger to advance the syringe piston or plug (11) so as to express a metered dose, corresponding to the setting. A succession of doses can be expressed from the syringe. The syringe may employ a prefilled ampoule which is sealed by a sliding plug engaged by the screw plunger. <IMAGE>
Patent GB-2115006-A (GB)
Title: Electrical contact materials
Inventor: SHIBATA AKIRA
IPC: C22C5/06
Filed: 1982-02-19
Abstract: An electrical contact material is made from a silver alloy comprising 3-less than 5 weight per cent of Sn, and 0.01-1.0 weight percent of Bi, the silver alloy having been internally oxidized. The alloy may further comprise 0.01-0.5 weight per cent of one or more elements of the iron family.
Patent GB-2093922-A (GB)
Title: Wave energy device
IPC: F03B13/18
Filed: 1982-02-26
Abstract: The device has a hollow rigid body (10) with ports (11) each associated with a corresponding funnel (13) which terminates in an outlet (14) and an inlet (15) communicating with a respective conduit (16, 17). A flexible diaphragm (22) extending across each port (11) is oversize for its edge and, in repose, its central portion has a concave-convex cross-section. A wave impacting on the diaphragm (22) deflects it inwardly and pushes air up to the corresponding funnel (13) to the outlet (14). This air movement drives a generating device. Air is returned to the body (10) through conduit (17) and inlet (15). The shape of the diaphragm (22) maximises the displacement of air behind it and the diaphragm (22) has an optimum maintenance free life. Also disclosed is a method of making the diaphragm. <IMAGE>
Patent GB-2118113-A (GB)
Title: Parachute system
Inventor: KALABUKHOVA LJUDMILA NIKOLAEVN
IPC: B64D17/34
Filed: 1982-04-08
Abstract: The parachute system comprises a canopy (1) with vents (23, 24). The canopy pattern is formed by two groups of trapezoidal sections (3-7) interconnected along a keel line (8). Provided are carrying lines (12, 13) secured to the free side edges of the sections and the keel line, and control lines (14). There are also provided two rings (16) through which carrying lines (12, 13) are passed and which are interconnected by a member (17) connected to an extraction parachute (19). The upper end portions of the control lines (14) consist of two branches by means of which the control lines (14) are connected to respective carrying lines (12) in the vicinity of the rings (16), the branches extending in directions opposite to each other. Each control line (14) embraces a respective ring (16) in such a manner that it is disposed outside the ring (16) and its lower branch is passed through the ring (16). <IMAGE>
Patent GB-2101863-A (GB)
Title: Hydroponic apparatus
Inventor: KAWABE HIDEHIKO
IPC: A01G31/02
Filed: 1982-06-01
Abstract: A nutrient solution is circulated through a pip connection between a nutrient solution tank 2 and a culture tank 3. A water circulation passage is formed between a water storage tank 1 and the nutrient solution tank and has placed therein a heat exchanger 5 for heat exchange with the nutrient solution, and a valve 6 controlling water flow therethrough. A valve 10 controls flow of water into the nutrient solution. This arrangement controls a rise in the nutrient solution temperature due to the circulation of the nutrient solution and an increase in the solution concentration due to evaporation. <IMAGE>
Patent GB-2106701-A (GB)
Title: Mineral insulated electric cable
Inventor: GILL DENNIS
IPC: H01B7/285
Filed: 1982-08-13
Abstract: In a mineral insulated electric cable there is dispersed within the powdered insulating material a proportion of powdered hydrophobic material, for example methyl polysiloxane, sufficient to reduce moisture penetration. The cable is formed by bending a copper strip 1a into tubular form, welding the edges together at 4, cooling the sheath at 9, and introducing the powder mixture through a hopper 8 and delivery tube 7, the tube having an outlet downstream of the cooling means. <IMAGE>
Patent GB-2107594-A (GB)
Title: Golf bag hoods
Inventor: ANDREWS ADRIAN
IPC: A63B55/00
Filed: 1982-10-14
Abstract: A portion of a golf bag hood is adapted to be stiffened, and on stiffening the hood is caused to adopt a dome-like attitude. The stiffening may be achieved by inflation of an inflatable cushion or strip 4, which may either be integrally formed with the hood or may be separate and able to be fitted inside it. <IMAGE>
Patent GB-2118087-A (GB)
Title: Trimming tool
Inventor: CUNDALL ROBERT
IPC: B26B5/00
Filed: 1982-10-25
Abstract: A trimming tool (1) provided for cutting wall or ceiling paper along the line of an internal corner defined between two surfaces comprises a hand-holdable body (10, 12) which carries a cutting blade (2) and is so formed as to enable the tool to be stably seated in a corner with the blade (2) coplanar with the line of the corner and convergent therewith. In one embodiment, the body comprises a central blade-carrying portion (10) and two wings (12) which project from respective sides of the central body portion (10) to contact respective ones of the corner-defining surfaces. The front end (25) of the central body portion (10) is preferably rounded and projects right into the corner to smooth down paper about to be cut. <IMAGE>
Patent GB-2112815-A (GB)
Title: Highly corrosion-resistant reflection layer systems on substrates
Inventor: SCHICHT HEINZ
IPC: G02B1/10
Filed: 1982-12-08
Abstract: Under the conditions of cathode sputtering, there is applied to a substrate, especially a glass or glass- like substrate a reflection layer and a thin metal layer, in such a manner that, with maintenance of the degree of reflection of the reflection layer, there results a transitional layer present as an intermetallic compound.
Patent GB-2111467-A (GB)
Title: Apparatus for feeding open bags to an installation for filling and subsequently closing the bags
Inventor: MULLER MATHIAS
IPC: B65H5/12
Filed: 1982-12-08
Abstract: Apparatus for feeding open bags 1 individually to an installation for filling and subsequently closing the bags 1, comprises a separating means 4 for separating bags 1 from a store 15 of overlapping bags and means for conveying the bags 1 to a distributor means. The distributor means comprises a carriage 6, which is disposed downstream of the separating means 4 and which moves the bags fed individually thereto in a transverse direction alternately left and right to the respective fitting station 9 or 10 of two filling connections 11 or 12. The separating means 4 comprises pairs of grippers which are arranged in four pairs 3 on a cross 17 rotatable about a horizontal axis 24, the bags being fed from the store 15 to the cross 7 by an intermittently operated belt 16. <IMAGE>
Patent GB-2133298-A (GB)
Title: Rowing machine
Inventor: GIBBS DAVID JAMES
IPC: A63B69/06
Filed: 1983-01-07
Abstract: The machine comprises a base 10 and a seat structure 11 comprising two elongate parallel guide rails 16 pivotally mounted at one end, a slidable seat 21, and foot rests 19 mounted at each side of the pivot point. A lever 24 is pivotally mounted on the base and passes between the rails 16 and has a handlebar 26 at its upper end. Rollers 29 on the lever 24 engage the undersides of the guide rails 16 respectively, the arrangement being such that when the handlebar is pulled by a person sitting on the sliding seat the whole seat structure is pivoted upwardly. The force required to pull the handlebar is thus dependent on the weight of the person using the machine. <IMAGE>