baber/WOPTO huggingface dataset:
Patent GB-786639-A (GB)
Title: Improvements relating to the concentration of suspensions of sand and like materials
Inventor: PHIPPS JOHN DEGORY BARON
IPC: B01D21/24
Filed: 1954-10-13
Abstract: <PICT:0786639/III/1> <PICT:0786639/III/2> A suspension of sand &c. in water is fed to a static cone, for concentration of the suspension, through a de-airing tank 1 having a bottom tank outlet 6 controlled by a valve 11 suspended from a float 7, the plan area of which at its normal level is such that the float sinks to close the valve when the air content of the suspension is greater than a predetermined amount, the inlets 4 for the suspension being horizontal and terminating below the level of the float.  The valve 11 is conical and has its apex downwards to co-operate with an interchangeable plate which forms the outlet 6.  The inlet pipes run horizontally for some distance before entering the tank to give air bubbles time to rise. The de-airing tank 1 is mounted above a static cone 12 from which the concentrated suspension is removed by a pump 15, the intake pipe of which dips nearly to the bottom of the cone.  The suspension treated in the static cone is fed to classifying apparatus such as that described in Specification 779,013, [Group II], and the waste therefrom fed back to the de-airing tank.
Patent GB-240329-A (GB)
Title: Improved bedstead rail fittings
IPC: F16B12/60
Filed: 1924-12-09
Abstract: 240,329. Howard, T. B. Dec. 9, 1924. Bayonet-joint fastenings. - A bedstead corner fitting comprises a plug K, for attachment to the side rail, with projecting lugs M thereon. A socket B carried on the bed-post has slots D to admit the lugs, one of which, on turning the rail, engages an inclined face B at the rear end of the socket according to the direction of rotation of the rail, which may thus be simultaneously secured at both ends.
Patent GB-464804-A (GB)
Title: Improvements in or relating to charts or the like maps and mountings therefor
IPC: G09B29/06
Filed: 1935-10-26
Abstract: 464,804. Electric battery lamps. WOODALL, C. F. Oct. 26, 1935, No. 29592. [Class 39 (ii)] [Also in Group XV] A portable chart or map comprises a casing within which are housed two rollers for the map, a lamp 44, and a battery 39, the lamp, battery, and a pair of guide rollers 38 for the map being carried as a unit on the rear detachable wall 26 of the casing. An insulating member 41 carries a bracket 42 supporting the lamp socket 43. A push-button switch on the side of the casing completes the circuit from the battery to the lamp. A spare lamp 55 is carried in a bracket 56 on the wall 26.
Patent GB-535087-A (GB)
Title: Improvements in or relating to wind-swept grinding or pulverising mills
IPC: B02C17/18
Filed: 1939-11-08
Abstract: 535,087. Ball &c. grinding mills. NEWELL & CO., Ltd., E., and HOWDEN, P. Nov. 8, 1939, No. 29623. [Class 59] In wind-swept grinding mills of the type comprising a rotary ball &c. containing drum partitioned transversely to form a primary grinding chamber 3 and one or more co-axial classifier chambers 4, the material to be reduced being introduced into the grinding chamber through a hollow trunnion 7 at one end of the drum and the reduced material being carried through a hollow trunnion 8 at the other end of the drum by a current of air flowing through the drum, a straight conduit 15 is connected to the trunnion 7, a fan 19 is connected to the conduit, a feed shoot 24 is connected to the oonduit between the fan and the hollow trunnion, a separator 28 is connected to the trunnion 8 and an air pipe 29 connects the separator to the inlet of the fan. The feed shoot 24 extends obliquely, as at 25, into the conduit to set up venturi action therein The chamber 3 is separated from the chamber 4 by an annular baffle 1'2 having one or more passages therethrough at or near the axis and away from the periphery. The entry to the trunnion 8 from the chamber 4 is screened by a conical baffle 13. The shoot 24 receives material from a rotary valve 23 below a conveyer 22 and feed hopper 21. A second feed shoot 33 may be used as an alternative to or in addition to the shoot 4. According to the Provisional Specification, instead of the classifier chambers being provided with ball &c. grinding elements those chambers may be fitted with means for conveying material deposited therein back to the primary grinding chamber.
Patent GB-1017733-A (GB)
Title: Method of producing cured epoxy resins
IPC: C08L63/00
Filed: 1962-08-02
Abstract: A method of curing an epoxide resin comprises mixing with the resin a curing agent selected from the group consisting of primary or secondary aliphatic or heterocyclic polyamines containing one primary and/or secondary amino group and polyamides derived from polymeric fatty acids and aliphatic polyamines, an accelerator consisting of dodecenyl succinic anhydride in an amount of up to 1 part by weight per 2 parts by weight of curing agent. Specified polyamines are ethylene diamine, diethylene triamine, triethylene tetramine, tetraethylene pentamine, polyethylene polyamine, propylene diamine, dipropylene triamine, polypropylene polyamine, butylene diamine, pentylene diamine, hexylene diamine, octylene diamine, nonylene diamine, decylene diamine, 1:3-diamino-2-propanol, 3:3-imino-bis-(propylamine), guanidine, dimethylamine, diethylaminopropylamine, dibutylamino propylamine, piperazine, 2:4-dimethylpiperazine-melamine, 2:4 - diamino - 5 - (aminomethyl), pyrimidine, 2:4:6-triamino pyrimidine and 3:9 - bis - (aminoethyl) spirobimetadioxane. The polyamides are of conventional type.  The examples disclose curable compositions comprising:-(1), (2) the diglycidyl ether of 2:2 - bis - (4 - hydroxyphenyl) propane, a triethylene diamine-ethylene oxide adduct and dodecenyl succinic anhydride; (3) the diglycidyl ether of 2:2 - bis - (4 - hydroxyphenyl) propane, a triethylene diamine-glycidyl adduct and dodecenyl succinic anhydride and (4) a polyglycidyl ether of 2:2-bis-(4-hydroxyphenyl) methane, a polyamide derived from dimerized linoleic acid and ethylene diamine, and docenyl succinic anhydride.
Patent GB-504746-A (GB)
Title: Improvements in steam-boilers, water-heaters and the like for use in the exhaust systems of internal-combustion engines
IPC: F01N5/00
Filed: 1937-10-30
Abstract: 504,746. Plate heat-exchangers ; heating steam boilers by waste gases. BRISTOL AEROPLANE CO., Ltd., and FRISE, L. G. Oct. 30, 1937, No. 29721. [Classes 64 (iii) and 123 (ii)] A steam generator or other fluid heater in the exhaust pipe 10 of an internal-combustion engine and intended particularly for use in an aircraft for supplying heating steam to the cockpit or cabin, consists of a flattened box-like vessel 16 extending longitudinally of the exhaust pipe. The vessel is arranged along the middle of the exhaust pipe and is rigidly secured to the pipe at one pipe and freely supported at one or more other points. The vessel may be rigidly secured at a point in its lower edge and between its ends by bolts 21, and its inlet and outlet ripples 25, 34 may pass through elongated apertures on the pipe and be so secured by clamping nuts 30 and washers 28, 29 that the ends of the vessel may move endwise to allow expansion and contraction. In modifications, the inner end of the vessel is rigidly secured at its upper edge and the outer end its supported outside the exhaust pipe by a swinging link.
Patent GB-939415-A (GB)
Title: Deep well pumps
IPC: F04B47/04
Filed: 1960-08-29
Abstract: 939,415. Reciprocating pumps. LOWRY HYDRAULIC CO. Aug. 29, 1960 [Sept. 4, 1959], No. 29734/60. Class 102(1). In a deep-well pump a bucket is reciprocated by a hydraulically-actuated, double-acting piston 6, Fig. 1a, housed in a cylinder 5 located at the bottom of the well. Cylinder 5 has longitudinally-fluted sides, Fig. 3, to enable the pumped liquid to. flow past. The bucket 10, Fig. 2, has bores for the passage of rigid, hydraulic fluid supply pipes 9 on which the bucket is slidable. Longitudinal bores 4 formed in the side wall of cylinder 5 connect one supply pipe 9 to the bottom of cylinder 5. The cylinder is partially supported on a non-return, ball-valve housing 2 secured to the bottom of the well casing. Two ball valves 17 are provided in bucket 10. The pump unit is suspended by supply pipes 9 from a yoke 11 suspended in turn on a cable 13. Flexible hoses connect pipes 9 to suitable pump and control means above ground. Several pumps may be arranged in series with common hydraulic supply pipes.
Patent GB-353782-A (GB)
Title: Apparatus for loading and unloading railway wagons
IPC: B65G67/00
Filed: 1930-10-06
Abstract: 353,782. Conveying and elevating apparatus for loading and unloading railway wagons. GUILBERT, P., 1, Rue Faudon, Rouen, and LEGRAND, J., 128, Rue de la Republique, St. MandÚ, both in Seine, France. Oct. 6, 1930, No. 29910. Convention date, Dec. 10, 1929. [Classes 78 (i), 78 (iv), and 104 (ii).] Plant for loading material from or adjacent to a railway track on to wagons on the track and for unloading it therefrom comprises an elevator for feeding a hopper on a wagon which discharges into a movable trolley which transfers the material to an adjacent wagon from which it is discharged on to side of the track by an elevating and conveying appliance. An elevator a feeds ballast or other material into a hopper b mounted on a frame d on a wagon c. A motor driven hopper trolley g running on rails e on the wagon is loaded from the hopper b and when full is traversed along the rails to an adjacent wagon z of a train of wagons and unloaded. The loaded wagons z, Fig. 3, are unloaded by a trolley j running on the rails e and carrying an elevator r. As the trolley advances along the wagon the material is raised and discharged on to a transversely arranged conveyer s<1> which discharges the material laterally on to the embankment. The elevator is pivotally mounted at its upper end, its lower end being supported by a rope w<1> passing over a polley w<2> on a bracket w so that the elevator can be raised to permit traversing of the trolley from one wagon to another. In a modification, the trolley is provided with a vertically arranged elevator.
Patent GB-414929-A (GB)
Title: Improvements in or relating to fountain or reservoir pens
IPC: B43K5/04
Filed: 1933-10-28
Abstract: 414,929. Reservoir pens. WADE, E. E. S., 13, Hope Street, Liverpool. Oct. 28, 1933, No. 29959. [Class 146 (iii).] A self-filling reservoir pen of the kind provided with an air tube of small bore extending from an ink passage in the feed-bar into the reservoir, and co-operating with means for varying the pressure in the reservoir, comprises a barrel divided into two sections a, a<1> detachably connected by a flush tubular member g, a rubber ink sac e substantially filling the barrel, and an air tube f extending from the feed-bar c into the sac e; filling is effected by removing the barrel section a<1> and repeatedly collapsing and expanding the closed end e<1> of the sac by finger manipulation. The air tube f fits in a central passage c<1> in the feedbar communicating through a lateral duct c<3> with the feed channel c<2> in the feed-bar. The sac e may be attached over a reduced extension b<1> of a push-in nib section b, or may have a beaded end clamped between an annular shoulder in the barrel and a washer above a screw-in nib section, or a flared end clamped between a correspondingly shaped shoulder and washer.
Patent GB-1253848-A (GB)
Title: Depositing apparatus
IPC: B65B35/50
Filed: 1968-10-23
Abstract: 1,253,848. Packaging. LILY CUPS OVERSEAS Ltd. 23 Oct., 1968 [23 Oct., 1967], No. 30013/71. Divided out of 1,253,846. Heading B8C. A depositor for placing articles such as filled ice-cream cups C on to conveyers 22 leading to a packaging station 20 comprises a pair of shoots on a support frame 70 which is rocked about shaft 69 by cam 80 on the conveyer pulley spindle, to deposit the cups in inverted position on the belts, the cups being retained in the shoots by the tips 82T of fingers 82 until these are raised by the fingers being pivoted about 78 by engagement of an abutment arm 65 by the other end 82E of the fingers. The shoots comprise guide rails 77R and 78R, the latter being adjustable by screws 76.
Patent GB-1168159-A (GB)
Title: Improvements in and relating to Lawn Mowing Machines
Inventor: ADAMCZYK JAN
IPC: A01D43/063
Filed: 1967-06-29
Abstract: 1,168,159. Mowing machines. LANDMASTER Ltd. 26 June, 1968 [29 June, 1967], No. 30069/67. Heading A1F. A lawn mowing machine having cutting blades 24 rotating about a vertical axis, has a forward discharge outlet 22 for mowings and a hinged safety flap 30 or other closure biassed e.g. by its own weight to close the outlet 22. A grass box, when attached to the mower, holds the closure in an open position. A motor 15 is mounted on a deck 10, and a shaft 16 depends from the motor for the rotary support of the cutter which includes an arm 23 carrying the blades 24, and vanes 25 secured to the ends of the arms. The vanes 25 cause an upward flow of air through a casing 18 to an outlet duct 21, the outlet duct 21 is being closed, when the grass box 32 is not in position, by the flap 30. When the grass box 32 is hooked to the mower, the rear portion 38 of the box engages an extension of the flap 30 behind the flap pivot, to hold the flap open. The flap then closes a viewing opening in the grass box. The mower is supported on a rear roller 12 and a pair of forward rollers 14, the front rollers 14 being adjustable in height by a screw 45. The rear roller 12 is driven via pulley 50, V-belt 51, and pulley 52 from the power take-off of the motor 15, a jockey pulley 53 being provided to declutch the transmission by a control on the handle 61.
Patent GB-1080383-A (GB)
Title: Process for the treatment of waste water
Inventor: TAUBE CARL
IPC: C02F1/52
Filed: 1965-07-15
Abstract: Waste water containing water-soluble impurities with sulpho groups are heated with a water-soluble reaction product of formaldehyde and the grouping <FORM:1080383/C1/1> and the precipitate separated. Flocculants such as aluminium and ferrous sulphates may be added.
Patent GB-907464-A (GB)
Title: Process for the preparation of cyanuric acid from urea or biuret
Filed: 1960-08-31
Abstract: A reaction mixture containing cyanuric acid is prepared by heating a mixture of a methylcyclohexyl carbamate with urea or biuret.  The initial charge of the methylcyclohexyl carbamate may be prepared by refluxing the corresponding alcohol at 165 DEG -175 DEG C. and adding urea or biuret, which reacts with the alcohol to form the carbamate, with a resulting rise in refluxing temperature. Further addition of urea or biuret results in the formation of cyanuric acid, which may be separated from the reaction mixture, e.g. by filtration, and the carbmate is returned to the reactor and the steps repeated.  In continuous operation, urea or biuret is continuously added to the reaction mixture while a portion of the latter is continuously removed, filtered, and returned to the reactor.  The preferred reaction temperature is in the range 200 DEG -215 DEG C., and specified carbamates are those of 2-, 3- and 4-methylcyclohexanol and mixtures of any of them.  Example I illustrates the use of 3-methylcyclohexyl carbamate, while Examples II to IV illustrate the use of a mixture of 3- and 4-methylcyclohexyl carbamates, of 4-methylcyclohexyl carbamate, and 2-methylcyclohexyl carbamate respectively.  The yields are 90% and above, of pure cyanuric acid. Cyanuric acid in the product, which may also contain small amounts of urea, biuret, and amonelide, may be individually quantitatively estimated by precipitating a copper-cyanuric acid complex, separating and redissolving the complex in sulphuric acid, liberating the copper from the complex with potassium iodide, and finally titrating the resulting iodine with standard thiosulphate in the presence of starch.  This analysis is stated to be specific for cyanuric acid in the presence of the above mentioned impurities.  U.S.A. Specifications 2,822,363 and 2,872,447 are referred to.
Patent GB-229233-A (GB)
Title: Improvements in variable speed gears for cycles incorporating a back-pedalling brake
IPC: B62M11/14
Filed: 1923-12-14
Abstract: 229,233. Solomon, M. Dec. 14, 1923. Back-pedalling brake and free-wheel arrangements.-The invention relates to a three-speed hub with back-pedalling brake, of the type in which the power for braking is not transmitted through the gear wheels, and backward wheeling of the machine is permitted, while no axial thrust is imposed on the bearings either in driving or braking. Backward rotation of the planet carrier 5 and with it a sleeve 11 causes a screw-actuated sleeve 22 to move to the right until shoulders or stops on the sleeves 11, 22 prevent further angular movement between these parts. At this point, ratchet teeth 22<c>, 12<c> come into engagement, but without bedding home, and further backward rotation of the carrier 5 rotates a brake actuator 12, which by its peg 12b moves a lever 14 angularly around its pivot 17<c>, thus expanding a split brake ring 24 of the usual form into contact with a ring 25 rigid with the hub shell. Forward rotation of the carrier 5 causes the screwactuated sleeve 22 to move to the left until stopped by engagement with the face-plate of the sleeve 11, thus bringing teeth 7<a>, 19<a> into engagement, whereby rotation of the internally-toothed wheel 7 of the epicyclic gear is transmitted to the hub shell.
Patent GB-807455-A (GB)
Title: Method for stabilizing polyvinyl pyrrolidone and compositions thereby obtained
IPC: C08K5/41
Filed: 1956-10-03
Abstract: Polyvinylpyrrolidone, or a composition containing polyvinylpyrrolidone, particularly an aqueous solution thereof, is stabilized to heat and light by incorporating therein between 0.1 and 5.0 per cent by weight of zinc formaldehyde sulphoxylate on the weight of the polyvinylpyrrolidone.  Fibres of polyacrylonitrile, acrylonitrile copolymers, polyesters, polyamides and hydrocarbon polymers may be stabilized and given a desired polyvinyl pyrrolidone content by impregnating the desired fibre with the sulphoxylate stabilized polyvinyl-pyrrolidone from an aqueous bath at 70 DEG  to 100 DEG  C., until the desired polyvinylpyrrolidone content is attained.ALSO:Fibres of polyacrylonitrile, acrylonitrile copolymers, polyesters, polyamides and hydrocarbon polymers may be stabilized to heat and light and given a desired polyvinyl pyrrolidone content by impregnating the desired fibre at 70 DEG  to 100 DEG  C. in an aqueous bath containing polyvinyl pyrrolidone and between 0.1 and 5.0 per cent by weight, based on the weight of polyvinyl pyrrolidone, of zinc formaldehyde sulphoxylate.
Patent GB-1378797-A (GB)
Title: Controlled deflection roll
IPC: F16C13/00
Filed: 1972-06-27
Abstract: 1378797 Rollers; externally pressurized bearings ESCHER WYSS AG 27 June 1972 [28 June 1971] 30151/72 Headings F2U and F2A A controlled deflection roll comprises a shell 1 rotatable about a shaft on which are mounted to pivot in a plane containing the shaft axis, one or more fluid pressure pistons 8 in cylinder 9 units supporting the shell (e.g. each by a hydrostatic bearing 4). The shaft may provide the piston 8 or cylinder 9. The piston end may have a part spherical end or a lip with an 0-ring engaging a cylindrical wall of the cylinder 9. There may be a single shell supporting member, Fig. 7, extending the length of the roll, or several axially distributed round members 3. There may also be several circumferentially distributed rows of members 3, Fig. 9 (not shown). The hydrostatic bearing 4 on each member 3 may comprise several chambers 12<SP>1</SP> to 12<SP>10</SP> each fed with pressurized fluid via a restrictor duct 7<SP>1</SP> to 7<SP>10</SP> (which may be in a replaceable part 7‹) from the chamber 5 pressurizing the unit 8, 9. Pressurized fluid is supplied to the chambers 5 either by a common duct 6 or by separate ducts able to supply different pressures to different chambers 5 in a row, or to different rows of chambers 5.
Patent GB-1439730-A (GB)
Title: Integrated memory
IPC: G11C8/00
Filed: 1974-07-08
Abstract: 1439730 Integrated solid state memories PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 8 July 1974 [11 July 1973] 30161/74 Heading G4C In a memory system comprising an integrated solid state memory array M (Fig. 2) having row and column decoders S1 S2, a shift register SR is manufactured on the same semi-conductor wafer, the arrangement being such that after column decoders S2 have selected one of the stages of the shift register SR to activate an associated switch S1 to read out via associated amplifiers RA the bit in the selected column to output terminal K100 subsequent bits in the selected row may be read out by applying stepping pulses to the shift register from clock source K92. By inhibiting the clock source a single bit may be read out. As described a first selection instruction signal is applied on terminals K6, K7, K8 to row decoder S1 enabled by a signal K90. A second selection signal at the same terminals is applied to column decoder S2 enabled by a signal K93. The shift register SR may have an endaround connection as shown or it may be adapted to shift in either direction. The amplifiers RA may be used for reading and for writing or two sets of amplifiers may be provided. Specification 1,435,347 is referred to.
Patent GB-663154-A (GB)
Title: A hygienic telephone mouthpiece wiper
IPC: H04M1/17
Filed: 1949-11-25
Abstract: 663,154. Interleaved paper holder. DAVIES, A. B. Nov. 25, 1949, No. 30212/49. Class 18. [Also in Group VI] A container for storing and dispensing disinfectant - containing paper for use in wiping telephone mouthpieces comprises a cylindrical plastic container b closed at the top, and detachably secured to a base c at the bottom, pads e impregnated with volatile disinfectant fixed in the top of the cylinder and in a recess in the base, and a narrow slot d extending across the diameter of the cylinder in front at its junction with the base through which circular interfolded disinfectant absorbent paper may be withdrawn a sheet at a time. Preferably the withdrawal of the paper is facilitated by the provision of a bevelled extension g of the surface of the base at the front thereof which extends a distance through the slot.
Patent GB-533732-A (GB)
Title: Electron discharge devices employing secondary electron emission
IPC: H01J43/10
Filed: 1939-11-17
Abstract: 533,732. Electron multipliers. STANDARD TELEPHONES & CABLES, Ltd. (Materiel Telephonique Soc. Anon.). Nov. 17, 1939, No. 30278. [Class 39 (i)] A secondary emitting electrode 2 is heated by a filament 3 so as to emit thermionically these thermionic primary electrons being separated from the secondary electrons obtained by impact of a primary beam 1. The separation is effected (i) by a grid 6 at about the potential of the electrode 2 which collects the primaries and allows the secondaries to pass to a collector 7 or to further secondary emitting electrodes ; the collector electrode and grid may be cylindrical, (ii) by electro-static deflector plates 8, Fig. 3, which deflect the slow moving primaries more than the secondaries these going to a collector 11, or (iii) by electromagnetic deflector, the field being strong enough to turn the primaries on to the emitting or some other electrode.