baber/WOPTO huggingface dataset:
Patent GB-2005252-A (GB)
Title: A process for the production of esters of methacrylic acid
IPC: B01J23/00
Filed: 1978-08-29
Abstract: Esters of methacrylic acid are produced by transesterifying methacrylic acid methyl ester with alcohols containing at least 2 carbon atoms in the presence of a transesterification catalyst and a polymerisation inhibitor, the transesterification catalyst being lithium hydroxide used in a quantity of from 0.01 to 2% by weight, based on the total weight of the reactants.
Patent GB-2004294-A (GB)
Title: Process for the manufacture of phthalides
IPC: B41M5/145
Filed: 1978-09-13
Abstract: The present invention relates to a new process for the manufacture of phthalides of the formula   <IMAGE>  in which R1, R2, R3, R4, R5 and R6 each is alkyl, hydroxyalkyl, halogenalkyl cyanoalkyl or alkoxyalkyl, each alkyl or alkoxy radical having 1 to 4 carbon atoms, phenyl, benzyl or cycloalkyl with 5 or 6 ring carbon atoms, one of the R radicals of the pair bonded to the same nitrogen atom may also be hydrogen, or R1 and R2, R3 and R4 and/or R5 and R6 together with the nitrogen atom form a 5-or 6-membered heterocyclic ring X, Y and Z each is hydrogen, alkyl or alkoxy with 1 to 12 carbon atoms or halogen, said process comprises oxidizing a compound of the formula   <IMAGE> in which R1, R2, R3, R4, X and Y have the given meaning, to open the lactone ring and reacting the acid compound with an aniline derivative of the formula   <IMAGE> in which R5, R6 and Z have the given meaning.
Patent GB-2005728-A (GB)
Title: Infiltrated molded articles of spherical non-refractory metal powders
IPC: C22C1/00
Filed: 1978-09-25
Abstract: A molded, non-refractory metal article is made by molding in a flexible mold a plastic mixture of non-refractory, spherical metal powders and heat-fugitive binder comprising thermoplastic material to form a green article of predetermined shape and dimensions, heating the green article to remove said binder and consolidate the non- refractory spherical powders in the form of a porous, monolithic skeleton of necked particles of non-refractory metal, infiltrating the skeleton with a molten metal having a melting point that is at least 25 DEG C less than the melting point of the lowest melting of said spherical, non-refractory metal particles, and cooling the infiltrated skeleton thereby forming a homogeneous, void-free, non-refractory metal article of two intermeshed metal matrices. The moulded skeleton may be made of particles of Fe, Co or Ni or their alloys; the infiltrant metal may be Cu, Ag or Au.
Patent GB-2009135-A (GB)
Title: Binder for Refractory Materials
IPC: C04B35/01
Filed: 1978-11-15
Abstract: A process for the manufacture of ceramic materials, in particular refractory elements, uses a binder, wherein the binder is used as an aqueous emulsion containing 1-4 pbw of water per 1 pbw of the binder. The materials thus obtained show an improved crushing strength while avoiding a harmful working environment. The binder may be a petroleum bitumen having a softening point of at least 80 DEG C, although it may also be e.g. polyethylene, polypropylene or polystyrene. Magnesite may be used as refractory material.
Patent GB-2009818-A (GB)
Title: Submergible, self propelled, under water trench digging machine
IPC: E02F5/10
Filed: 1978-11-29
Abstract: The machine comprises a self- propelled vehicle 1 provided with driven endless tracks 2, which moves on the sea bed 3, which is driven locally by an operator 6 and carries a winch attached by a cable to a digging tool 13. The vehicle and the digging tool are advanced alternately with one unit always remaining stationary when the other unit is being advanced. Preferably the vehicle is coupled a slide way 7, which is mounted to pivot about an axis z z1. The machine is provided with a carriage 11 moving along the slide way 7, which carries a digging tool 13, for example a ploughshare. The carriage 11 is hooked on to a cable 15 which is wound on a releasable winch 16. The machine is for sinking of submarine cables into a muddy ground. <IMAGE>
Patent GB-2015195-A (GB)
Title: Cathode Ray Tube Having Low Voltage Focus and Dynamic Correction
IPC: H01J29/48
Filed: 1979-01-08
Abstract: A cathode ray tube comprises two electron lens means in combination to crossover the electron beam at a second crossover between the two electron lens means with one of the two lens means having a variable voltage applied thereto to control the location of the beam crossover in order to focus the beam onto a display screen at any location away from the screen center. In Fig. 1, deflection defocussing is obtained by voltage variation of the potential of electrode 28. Alternative control is described within Fig. 3 (not shown) and a double unipotential lens system is described w.r.t. Fig. 2 (not shown). Refocussing is required in the Figs. 1 and 3 arrangement, but not that of Fig. 2 on change of coating 30 potential during penetron colour type operation. <IMAGE>
Patent GB-2043411-A (GB)
Title: A reel seat for receiving the foot of a fishing reel
IPC: A01K87/06
Filed: 1979-03-15
Abstract: A reel seat for receiving the leg of a fishing reel comprises a main body 1 having an externally threaded portion 2 on its outer periphery and at least one outer cutout 3 formed in the externally threaded portion and extending longitudinally of the main body, and a fastening nut 5 fittable to the externally threaded portion in screw-thread engagement therewith and having an internally threaded portion 6, 7 on its inner periphery. The internally threaded portion is formed with an inner cutout except for the part thereof corresponding to the outer cutout and is engageable with the externally threaded portion of the main body. The fastening nut is slidable longitudinally of the main body when the internally threaded portion is out of engagement with the externally threaded portion. <IMAGE>
Patent GB-2018937-A (GB)
Title: A transmission assembly for powered and manual operation
IPC: F16K31/05
Filed: 1979-04-02
Abstract: A gear assembly, e.g. for actuating a valve, having provision for alternative manual operation comprises shed a motor (4) driving an eccentric carrier of a stepped planet wheel (16) and includes an epicyclic gear train (20, 16, 21) incorporating a ring gear (20) held normally stationary by a worm (36) meshing with teeth (37) on its periphery, the worm being held resiliently in a datum axial position on a splined shaft (24) on which it is axially slidable, and has means for sensing an axial displacement of the worm for initiating a resultant action, e.g. for stopping the motor. When the motor is stationary, manual operation of a handwheel on shaft (24) rotates ring gear (20) and thereby rotates ring gear (21). Axial displacement of worm (36) occurs during manual operation, inhibiting motor drive. Excess torque during motor drive can similarly displace worm (36) and stop the motor. <IMAGE>
Patent GB-2019331-A (GB)
Title: Automobile transmission assembly
IPC: F16H3/66
Filed: 1979-04-23
Abstract: An automobile transmission assembly comprises a fluid type torque converter 3, a speed change gear assembly 11 having at least three planetary gear units 15, 16, 41 connected with each other to establish four different speed ratios and mounted coaxially with the torque converter to transmit power from the torque converter, a transmission shaft 55 mounted parallel with the axis of the speed change gear assembly, an output gear 53 splined to an output member of a last planetary gear unit of the auxiliary speed gear change assembly at a position between the last planetary gear unit and an intermediate unit planetary gear unit, a driven gear 56 mounted on the transmission shaft and meshed with the output gear, and a differential gear 60 for transmitting to right and left axle shafts 62, 63 the power received from a drive gear 57 mounted on the transmission shaft disposed opposingly to the torque converter. The two planetary gear units 15, 16 provide two reduced speed ratios and direct drive, and the planetary gear unit 41 is an overdrive unit having a planet carrier 45 as the input element. <IMAGE>
Patent GB-2021069-A (GB)
Title: Plastic bags
IPC: B65D33/16
Filed: 1979-05-17
Abstract: A bag of thermoplastics material has at least one pair of cuts (7) extending longitudinally of the bag from an access opening thereof to define flaps (9, 10) for closing the bag. The flaps may also form handles for the bag. <IMAGE>
Patent GB-2026905-A (GB)
Title: Finishing fabric or yarn
IPC: D06B1/14
Filed: 1979-06-14
Abstract: A resin or other finish e.g. size, is applied to a fabric - for example a stitch bonded fabric - or to a warp yarn sheet by an offset printing technique that applies a metered small add-on sufficient only to penetrate the surface of the fabric or the yarns of the warp sheet, see Figures 3 and 4. The add-on may be 5-10 g/sq.m.. <IMAGE>
Patent GB-2028924-A (GB)
Title: Pressure Accumulator
IPC: F15B1/14
Filed: 1979-07-03
Abstract: A hydropneumatic pressure reservoir has a housing formed in two abutting portions 1, 4 welded together by an electron beam, the housing portion 4 being formed internally with an apron 5 which extends across the abutting faces 2, 3 of the housing portions and forms a screen preventing welding debris entering the housing and damaging the diaphragm. The apron 5 causes a thickening of the marginal wall of its housing portion 4 at the level of the abutting faces, whereas the thickness of this marginal wall at a region 7 adjacent to but spaced from the abutting faces 2, 3 the thickness is reduced. Such narrowing of the marginal wall is claimed to increase the number of pressure alternations before failure occurs. <IMAGE>
Patent GB-2025467-A (GB)
Title: Forming bearings by coating with metal powders and heating and compacting
IPC: B32B7/04
Filed: 1979-07-06
Abstract: A layered material for shell bearings comprises a substrate coated with a rough layer such as sintered tin bronze and a suspension alloy layer such as Al-Pb which is applied as a powder and heated and compacted e.g. by rolling. The alloy layer may be applied to the inner surface of a tube by centrifuging.
Patent GB-2026749-A (GB)
Title: A coin discharge apparatus
IPC: G07D1/00
Filed: 1979-07-20
Abstract: A coin discharge apparatus comprises a receiving tray (8) set in a coin discharge port (7) which is provided in the lower portion of a frame (1) of the apparatus, and a detection unit (9) which is provided in said coin discharge port (7) and generates a detection signal for operating discharging levers (4), whereby coins of a requested amount of money are discharged from a plurality of coin storing tubes (2) and enter said receiving tray (8) set in the coin discharge port (7). Said coin storing tubes (2) are provided in the upper portion of the frame (1) of the apparatus and accommodate coins therein, each tube accommodating only one coin denomination. In the apparatus a discharge inhibit circuit (10) is provided for inhibiting a subsequent discharge operation unless said receiving tray (8) for receiving coins to be subsequently discharged has been set in said coin discharge port (7). <IMAGE>
Patent GB-2060752-A (GB)
Title: Auxiliary glazing for greenhouses
IPC: A01G9/14
Filed: 1979-09-27
Abstract: A flexible film 5 is attached to the interior surface of a metal-framed greenhouse or similar structure by a number of combined spacing and fastening members 6 having at spaced surfaces means 7 for engaging the edges 9 of a channel in a glazing bar and means 11, 12 for trapping and holding a part of the film 5. <IMAGE>
Patent GB-2038257-A (GB)
Title: Escape and rescue apparatus
IPC: B64D25/08
Filed: 1979-11-05
Abstract: A telescopic assembly of chutes is mounted on a vehicle and means are provided to raise and extend the chutes to form a slide. In the event of fire or other danger the slide can be manoeuvered into position to enable persons trapped at elevated positions to slide to safety. <IMAGE>
Patent GB-2042478-A (GB)
Title: Stripping sheets from fuser rolls
IPC: G03G15/20
Filed: 1979-12-21
Abstract: In roll fuser apparatus for fixing toner images to copy substrates such as plain paper wherein one 12 of a pair of rolls 12, 26 is heated and has a self-stripping, eg. deformable, outer layer 19 a pneumatic or vacuum device 34 is positioned adjacent the exit of the nip 20 to ensure that the lead portion of the plain paper 22 which is self-stripping remains out of contact with the heated roll 12. <IMAGE>
Patent GB-2038524-A (GB)
Title: Tracking circuit for a mail sorting machine
IPC: B07C3/00
Filed: 1979-12-28
Abstract: A tracking circuit for use in a mail sorting machine has a single guideway through which an envelope may be conveyed and a plurality of deflecting gates positioned adjacent to said guideway in spaced apart relationship from each other, each of said deflecting gates having a normal position in which an envelope is allowed to move past the deflecting gate unimpeded and a deflect position in which an envelope is deflected out of said guideway. The tracking circuit controls the position of at least one deflecting gate and comprises: sensing means generating an alert signal in response to an approaching envelope; means accepting an encoded designation signal in response to an alert signal; means incrementing the designation signal as the envelope reaches the gate; means for comparing said incremented designation signal with a preselected code; means causing said one deflecting gate to be placed in said deflect position if said incremented designation signal coincides with said preselected code; and means returning said one deflecting gate to its normal position upon receipt of a clear signal.
Patent GB-2050442-A (GB)
Title: Automatic Weaving Loom
IPC: D03D47/04
Filed: 1980-04-24
Abstract: A weft insertion element 9, mounted at one end on a support which is rectilinearly reciprocable along a guide 4, takes the weft thread through the shed to an interweaving needle 12. The free end of the element 9 has an eye 10 and is tapered. <IMAGE>
Patent GB-2075195-A (GB)
Title: Gas sensors
IPC: G01N27/414
Filed: 1980-04-30
Abstract: A gas sensor suitable for operation at a fixed temperature above ambient temperature comprises a gas sensitive MOSFET (10) which is maintained at the elevated temperature by virtue of the heat dissipated in the drain source path. A feedback circuit is provided for maintaining the power dissipation at a substantially fixed level, the source substrate diode (S-SB) of the device being used as a temperature sensor. In Figure 3 the source substrate diode is connected in a bridge circuit, an unbalance signal being detected by amplifier (14) and fed back via (FB) to the gate of the MOSFET (10) to influence the source-drain current LDS until the temperature is restored to the fixed value. The unbalance signal also provides the sensor output. In an alternative arrangement the output of amplifier (14) is applied to the gate of an FET source follower connected in the source drain current path of MOSFET (10) to alter the voltage drop across the latter to maintain the fixed temperature. <IMAGE>
Patent GB-2050831-A (GB)
Title: Corticosteroid stick formulations
IPC: A61K8/63
Filed: 1980-05-23
Abstract: Anti-inflammatory formulations, in the form of a stick, comprise a corticosteroid, one or more oleaginous solvents in which the steroid is dissolved, one or more waxes to impart body and stiffness, and an anti- microbial compound to prevent growth and spread of bacteria on the stick from one application area to another, the anti-microbial being present in an amount of 1 to 25% by weight of the composition.
Patent GB-2051749-A (GB)
Title: Device for turning individual sheets of paper or film
IPC: B65H5/00
Filed: 1980-05-23
Abstract: A device for turning individual sheets of paper or film bearing print on both sides and stacked in a storage unit, in particular for advertising displays and the like, has a frame-like storage unit for sheets requiring turning on the outlet side of which are disposed a conveying system that can be driven by motor, and a turning unit 12. The conveying system may have two sheet- driving rollers at 26, 27 which can be driven by motor and can be brought into effective contact with the sheet to be turned, in alternation. Alternatively, an endless belt and turning cylinder are used. <IMAGE>
Patent GB-2082650-A (GB)
Title: Fluid jet drilling nozzle
IPC: E21B10/60
Filed: 1980-08-04
Abstract: A fluid jet drilling nozzle is connected to a source of high pressure fluid, is rotatable about a rotation axis (70), and comprises a body (26,30) formed so that it partially encloses a cavity (72) which is in communication with the source of high pressure fluid. The nozzle further comprises a jet forming element (86) through which high pressure fluid in the cavity (72) leaves the nozzle in the form of a high velocity fluid jet which intersects the axis (70). Such a nozzle may be mounted in any drilling apparatus capable of supplying high pressure fluid to the cavity and of rotating or oscillating the nozzle about its rotation axis. <IMAGE>
Patent GB-2081088-A (GB)
Title: Improvements in baths
IPC: A47K3/064
Filed: 1980-08-07
Abstract: A baby bath (10) has a support frame consisting of a pair of end frame elements (11, 12) and a pair of side frame elements (13, 14) the frame elements (11, 12, 13, 14) are secured together to form a frame and each end frame element (11, 12) passes through a tube (20, 21 respectively) at the ends of a flexible fluid tight container (19). The end frame elements (11, 12) are supported by the rim of a conventional bath so that the container (19) is suspended between the sides of the bath. A similar bath may alternatively be used for photographic purposes and, being smaller, could be supported on a sink. The frame may support storage cabinets etc. <IMAGE>
Patent GB-2063451-A (GB)
Title: Heater
IPC: F24H8/00
Filed: 1980-08-22
Abstract: A heater, particularly a heater for a central heating system, comprises a combustion chamber (2) in which a burner (5) is arranged having a number of burner openings, a heat exchanger for a fluid to be heated, a combustion air feed (3, 12) and an outlet (4) for the combustion gases, said heater further comprising means (17) for forcing the discharge of the combustion gases. The burner of the heater is formed by a wall of a mixing chamber (7) for the fuel and the total amount of combustion air, said wall being provided with burner openings facing the heat exchanger (6), and being positioned outside the area covered by the vertical projection of the heat exchanger and the bottom of the combustion chamber. <IMAGE>
Patent GB-2058959-A (GB)
Title: Roller bearing
IPC: D06F37/00
Filed: 1980-09-17
Abstract: A rolling bearing comprising an outer race and an inner race having interposed therebetween two or more rows of rolling bodies, is described. The most important characteristic of such bearing consists in that the inner race is arranged to support a cantilever shaft, and to this end the said race is formed substantially by two facing disks having interposed therebetween a spacer disk.
Patent GB-2060628-A (GB)
Title: Hydroxyaminomethyl Derivatives of Benzoyl Di- substituted alpha -Phenoxy Alkanoyl Esters
IPC: C07D295/112
Filed: 1980-09-18
Abstract: Described are compounds of the formula   <IMAGE>  wherein R1 is   <IMAGE> wherein R5 and R6 are hydrogen, loweralkyl or alkylene of 4 or 5 carbon atoms, R2 is hydrogen, halo, haloloweralkyl, loweralkyl, loweralkoxy, loweralkylthio or   <IMAGE> wherein R5 and R6 are as previously defined, R3 is hydroxy, alkoxy, branched alkoxy, adamantyloxy, morpholino, amino or amino substituted by loweralkyl or alkylene of 4 or 5 carbon atoms,  R4 is hydrogen or loweralkyl, and X1 and X2 are hydrogen, loweralkyl, halo or when substituted on adjacent carbon atoms of the benzene ring form a 1,3-butadienylene linkage, with the proviso that X1 and X2 are not both hydrogen, and pharmaceutically acceptable salts thereof, the compounds are effective as diuretic agents in increasing urinary excretion.
Patent GB-2087944-A (GB)
Title: Cavity wall tie
IPC: E04G23/02
Filed: 1980-11-19
Abstract: A cavity wall tie comprises a rod with a unitary expansible element (36, 71) at one end and an expansible or non-expansible element (25, 74) at the other end. <IMAGE>
Patent GB-2064580-A (GB)
Title: Solids Fuel/Oil Suspensions
IPC: C10L1/32
Filed: 1980-12-03
Abstract: A uniformly dispersed fuel composition contains (a) 15 to 55% of particles of a friable solid fuel, e.g. coal, (b) 0.1 to 20% of particles of a basic metal compound, e.g. calcium oxide, and (c) an oil medium. The size of the majority of particles of both (a) and (b) is in the range 1 to 10 micron. Both percentages are by weight of the total composition. The composition is suitable for use as a fuel for an industrial burner. The basic metal compound reduces the sulphur content of the combustion products.
Patent GB-2066950-A (GB)
Title: Determining chemical species
IPC: G01N31/00
Filed: 1980-12-03
Abstract: Quantitative determination of a chemical species which promotes the disproportionation of Hg2<2+> to Hg<2+> and Hg<o> in solution, e.g. sulphite, cyanide, aminopolycarboxylic and hydroxy carboxylic acids, comprises causing the species to react with a solution of Hg2<2+> ions to produce a measurable concentration of Hg<o> in the gaseous phase above the solution, and determining the Hg<o> present in the gaseous phase. The method is useful for the determination of low concentrations of SO2 in gas mixtures.
Patent GB-2090338-A (GB)
Title: Centrifugal fan
IPC: F04D29/28
Filed: 1980-12-31
Abstract: The fan is provided with an annular internal passage (17) between a central hub (13) and a generally frusto-conical wall (10). First and second sets of upstanding blades (11, 16) are angularly spaced around the hub and connected to respective opposite surfaces of the wall (10). Each set of blades respectively impels air along an independent air flow path having an axial air intake, the air impelled by the blades (11) being discharged radially, whilst that from blades (16) is discharged both radially and axially through the internal passage (17). When fitted to an air cushion lawn mower, blades (11) provide the lift air whilst blades (16) draw in cooling air over the motor driving the fan. <IMAGE>
Patent GB-2068402-A (GB)
Title: Dyestuffs Comprising Two 5- Membered Heterocyclic Nuclei Fused to a Central Cyclohexadiene Nucleus
IPC: C09B57/00
Filed: 1981-01-08
Abstract: Dyestuffs of the general formula:   <IMAGE>  wherein  Z<1> and Z<2> are oxygen, sulphur or   <IMAGE> in which Y<1> is an optionally substituted hydrocarbon radical or an acyl radical; R<3> and R<4> each represent a naphthyl radical or an optionally substituted phenyl radical; X<3> and X<4> each independently represent a hydrogen atom, chlorine, bromine, cyano, lower alkyl, lower alkoxy, optionally substituted aryl, optionally substituted carbamoyl, optionally substituted sulphamoyl, carboxylic acid or carboxylic acid ester group, provided that Z<1> and Z<2> may be the same or different when R<3> and R<4> are different, and Z<1> and Z<2> are different when R<3> and R<4> are the same.
Patent GB-2072915-A (GB)
Title: Liquid crystal measuring display
IPC: G09F9/30
Filed: 1981-03-20
Abstract: A liquid crystal display system comprises front and rear plates 1 and 2 carrying aligned arrays of electrodes 5 and 6, each connected in a series string to act as a potential divider. In use, one end 8, 10 of each string is earthed and a variable potential difference is applied across the other ends 7 and 9 of the two strings. The number of cells in each string which are turned ON depends on the magnitude of the applied potential difference, thus providing a bar-graph-type display in which the magnitude of the applied potential voltage is indicated by the position of the boundary between those of the cells which are in the ON state and those which are in the OFF state. The supply is preferably alternating. <IMAGE>