baber/WOPTO huggingface dataset:
Patent GB-1144658-A (GB)
Title: Methods and arrangements for printing copy sheets from printing masters and providingmachine-readable recordings on the copy sheets
IPC: B41J3/50
Filed: 1966-12-05
Abstract: 1,144,658. Printing machines; duplicators. G. RITZERFELD. 5 Dec., 1966 [17 Dec., 1965], No. 54423/66. Heading B6C. A method for the selective line printing of copy sheets from a printing master and providing machine-readable recordings on the copy sheets, comprises the steps of making a machine-readable original 1 simultaneously with the making of the printing master 5, attaching the master to the printing cylinder 12 of a rotary duplicator and positioning the original 1 for co-operation with a machine-reading head 9, 9b. At least one line of the master is then printed on the copy sheet and the line or lines corresponding to that or those printed is read from the original by means of the reading head, the impulses arising therefrom being stored (18) prior to being fed to a generator 230 through which the printed copy sheet is passed and which emits corresponding magnetic impulses. These magnetic impulses are recorded on a magnetizable surface of the printed copy sheet whilst it is passing through the generator. A de-coding device 151 is placed between the storage device 18 and the generator 230. The original 1 and master sheet 5 are simultaneously produced on a typewriter 150 in magnetic and halographic ink, respectively.
Patent GB-1454280-A (GB)
Title: Combustible mixture supply system
IPC: F02B47/06
Filed: 1973-11-23
Abstract: 1454280 Gas turbine combustion apparatus; I C engine fuel supply systems; vapour engines NISSAN MOTOR CO Ltd 23 Nov 1973 [28 Nov 1972 15 Dec 1972] 54457/73 Headings F1B F1L and F1Q To reduce the amount of noxious pollutants, e.g. nitrogen oxides, carbon monoxide, and unburnt hydrocarbon fuel, in the exhaust from a combustion engine, e.g. a reciprocating piston engine, rotary engine, vapour engine or, as shown, a gas turbine engine 20, a portion of the fuel is  burnt using an oxidizer, e.g. hydrogen peroxide or liquid oxygen, other than air. As shown, fuel from a source 15 is fed to a pre-combustion chamber 14 with decomposed hydrogen peroxide from a source 11, and the hot combustion gases are fed into a main combustion chamber 18 for burning together  with a mixture of air from a compressor 19, and more fuel from source 15. The pre-combustion chamber may be supplied with fuel from a separate source. The fuel may be liquid or solid, or may be hydrogen. Again, Fig. 3, (not shown), the hydrogen peroxide is fed with metred fuel to a pre-combustion chamber in a reciprocating piston engine. The hot combustion products flow into the main cylinder (18) via swirl nozzles (42) to ignite the air/fuel mixture which enters via a valved inlet port (26). Also, Fig. 2, (not shown), the pre-combustion chamber is omitted, the fuel/ hydrogen peroxide mixture enters the cylinder through an inlet port (27) adjacent an ignition device (17) and combustion of this mixture ignites the air/fuel mixture from port (26) to produce laminar combustion from top to bottom of the cylinder. All three embodiments may include means for adjusting the air/fuel ratio, means for injecting the air/fuel mixture in a laminar manner, and swirl means for the air/fuel mixture.
Patent GB-1286186-A (GB)
Title: NEW gamma,gamma-DIARYL-alpha,beta-DIHALOGENOCROTONIC ACIDS AND A METHOD OF PRODUCING SAME
Inventor: SEMONSKY MIROSLAV
IPC: C07C57/60
Filed: 1970-11-17
Abstract: 1286186 γ,γ-Diaryl-α,#-dihalo-crotonic acids SPOFA UNITED PHARMACEUTICAL WORKS 17 Nov 1970 [18 Nov 1969] 54657/70 Heading C2C Novel γ,γ-diaryl-α,#-dihalo-crotonic acids of the general formula wherein X is a chlorine or bromine atom, R 1  is a fluorine or bromine atom or a methyl, ethyl, cyclopentyl or cyclohexyl group and R 2  is a hydrogen atom or a methyl group, are prepared by condensing mucochloric or mucobromie acid with at least two equivalents of a benzene  derivative of the general formula in the presence of anhydrous aluminium chloride at a temperature from 10 C. to the boiling point of the reaction mixture.
Patent GB-1170289-A (GB)
Title: Electrical Safety Switch Device
IPC: H01R13/447
Filed: 1966-12-08
Abstract: 1,170,289. Switch casings. LUMATOANSTALT. 8 Dec., 1966 [11 Dec., 1965], No. 54931/66. Heading H1N. A safety switch for isolating electrical components prior to removal of a cover 23, Fig. 2. comprises a fixed live contact 3 surrounded by a shield 4 and engaged by a sliding movable contact 13 when a bolt 21 securing the cover 23 is inserted. The bolt 21 is threaded in a bore 16 of a fixed housing 14 held by a cap 15 on a fixed frame part 10. The end of the bolt 21 engages a non-conductive slide 17 yieldingly coupled to the movable contact 13 through a heavy spring 20 acting against a light spring 18 to close the contacts. Removal of the bolt 21 isolates all the components mounted on the frame 10 and exposed by removal of the cover 23.
Patent GB-1491866-A (GB)
Title: Electrochemical cell
IPC: G01N27/38
Filed: 1973-11-28
Abstract: 1491866 Cleaning cell membrane BOC INTERNATIONAL Ltd 28 Nov 1974 [28 Nov 1973] 55226/73 Heading G1N A membrane cell for measuring dissolved oxygen is associated with means for cleaning the outside of the membrane the means being operated intermittently. The cleaning device may be one or more brushes or one or more members with an elastomeric wiping surface and may be operated manually, pneumatically, hydraulically or by an electric motor and optionally under automatic control. As shown, three angularly spaced brushes 20, 21 (not shown), and 22 are rotated round the outside of membrane 16 by motor 30. The membrane is PTFE fibre, the electrodes Ag and Pb and the cell is used to control oxygen gas supply to sewage treatment plant. The cleansing is preferably for periods of less than five minutes at intervals between 1 minute and 24 hours. Cleaning may also be accomplished by lifting the cell clear of the liquid and spraying with liquid or gas.
Patent GB-1260577-A (GB)
Title: Fibrous carbon or graphite products and method of making same
IPC: C04B35/83
Filed: 1969-11-12
Abstract: 1,260,577. Carbon fibres and bodies. UNITED STATES ATOMIC ENERGY COMMISSION. 12 Nov., 1969 [10 Dec., 1968], No. 55339/69. Heading C1A. A fibrous carbonaceous product comprising a matrix consisting of a resin converted to the carbonaceous state and a plurality of straight carbonaceous fibres uniformly dispersed in and randomly orientated throughout said matrix, is prepared by mixing a carbonizable binder and straight carbonaceous fibres of virtually uniform length of 6-15 mils and diameter of 1-10 microns, spraying the mixture on to a form and thereafter heating the sprayed mixture in an inert atmosphere to a temperature sufficient to convert the binder to a carbonaceous state, said fibres being subjected to temperature at least as great as the first mentioned temperature prior to the mixture of the fibres with the binder for a period sufficient to effect the formation of said carbonaceous fibres. The binder may be a thermoplastic resin, a thermosetting resin or a mixture thereof and may be diluted with a suitable solvent to facilitate spraying. The binder is preferably cured prior to carbonization and the sprayed admixture may be stressed at some stage of the process. The composite may also be impregnated with a liquidus carbonizable resin subsequent to carbonization and the impregnated composite heated to carbonize the resin. The ratio of binder to fibres is from 60 to 100 parts per-hundred.
Patent GB-1496685-A (GB)
Title: Bulk storage bunkers
IPC: E21F13/04
Filed: 1974-12-23
Abstract: 1496685 Loading hoppers P HUNGERBACH 23 Dec 1974 [5 Nov 1974] 55619/74 Heading B8S A bulk storage bunker, into whose wall 2 is built a helical shoot 1, is fed with material by means of an arrangement which comprises an intermediate storage member 10 which is fed with material from a conveyer belt 8, and when a predetermined level of material in the storage member 10 is reached a filling level gauge 12, 13 opens a shutter so that the material is then discharged on to a charging slide 3 which is connected with the helical shoot 1 by means of a transitional section 4. The gradient of the floor 6 of the charging slide 3 is greater than the gradient of the floor 5 of the shoot 1 and there is a gradual change from one said gradient to the other in the transitional section 4. The charging slide 3 and transitional section 4 are also of helical form, and the floor of the charging slide 3 is horizontal when seen in vertical section while that of the shoot 1 is downwardly inclined inwardly of the bunker, the floor of the transitional section 4 providing a gradual change between the two. The filling level gauge consists of a radioactive source 12 and receiver 13, the radioactive rays 14 passing through the material 9 in the storage member 10. Alternatively, a weighing balance (not shown) may be associated with the storage member 10 as the filling level gauge. In a second embodiment, Figs. 3, 4 (not shown), a helical shoot (20) is arranged centrally of the bunker interior.
Patent GB-1358616-A (GB)
Title: Reservoir comprising a vessel of synthetic plastics material
IPC: B60T11/26
Filed: 1972-12-01
Abstract: 1358616 Master cylinder reservoir; pipe coupling SOC ANON DBA 1 Dec 1972 [24 Dec 1971] 55620/72 Addition to 1096874 Headings F2E F2F and F2G A transparent or translucent vessel 10 of synthetic plastics material has a bottom 12 formed with a boss 14 and is connectible to a master cylinder by a metal spigot 20 which comprises a central shoulder 22 and a cylindrical collar 26; the spigot 20 is force fitted into a recess 18 in the boss 14 until the shoulder 22 abuts on the bottom of the recess 18 and the collar 26 projects through a bore 16 in the boss 14 and through a central orifice in a rigid dome 19 which is also force-fitted to the boss 14, the free end 30 of the collar 26 being bent radially so that the spigot 20 is flanged on to the reservoir 10. The dome 19 holds the wall of the boss 14 on to a large area of the spigot 20 by exerting radial and axial compression on the wall, the dome 19 having a cylindrical surface 32 which runs substantially parallel to the axis of bore 16 and which co-operates with the side wall 34 of shoulder 22 to radially compress the wall of the boss 14. Shoulder 22 and recess 18 are hexagonal in cross-section to prevent relative rotation between the spigot 20 and the vessel 10, and a seal 28 is provided between shoulder 22 and recess 18. The spigot 20 has a threaded portion co-operable with the body of the master cylinder and has a passage 36 for fluid flow from the vessel 10 to the master cylinder.
Patent GB-1333566-A (GB)
Title: Process for making high vinylidene chloride polymer content  coating resins
IPC: C08F214/08
Filed: 1970-11-25
Abstract: 1333566 Vinylidene chloride copolymers DOW CHEMICAL CO 25 Nov 1970 [26 Nov 1969 30 Oct 1970] 56087/70 Heading C3P A copolymer of 88-93% mol. vinylidene chloride and 12-7% comonomer is prepared by (a) dissolving in a monomer-free aqueous emulsion polymerization medium sufficient of any water soluble monomer to satisfy the expected partition coefficient when the oil phase is present, (b) maintaining the medium at 50-65‹ C., (c) adding a monomer charge of 3-20% of the total in the desired ratio then after termination of the polymerization of this charge but before a pressure drop of more than 2 p.s.i. (0À14 kg./cm<SP>2</SP>.) occurs (d) continuously feeding in the remaining monomers at a rate of 4À5-11À5% of the total monomers per hour, (e) continuing after all monomers are added until a pressure drop of about 50% then cooling and removing unreacted monomers. Preferred comonomers are methyl methacrylate, acrylonitrile or methacrylonitrile, and itaconic acid.
Patent GB-1272853-A (GB)
Title: Process for rolling high strength aluminum-magnesium alloys
Inventor: FORD FRANCIS P
IPC: C22C21/06
Filed: 1969-11-17
Abstract: 1,272,853. Heat-treating aluminium alloys. OLIN CORP. Nov.17, 1969 [Jan.3, 1969], No.56100/69. Heading C7A. An alloy containing in per centage by weight Mg 6-10 and optionally one or more of B 0À001-0À35 Cr 0À05-0À3 Ga 0À01-0À5 Cd 0À03-0À5 Th 0À005-0À35 misch metall 0À005-0À3 Te 0À005-0À3 Ge 0À01-0À55 Co 0À1-0À8 Cu -0À6 together with as impurities Fe -0À5 Si -0À5 Mn -0À35 Zn -0À2 Ti -0À15 Be -0À02 the balance being aluminium, is homogenized for 4 to 48 hours at 800‹ F. or above, cooled to 625‹ -760‹ F., and worked in that range with a reduction of up to 95%.
Patent GB-1437506-A (GB)
Title: Method of manufacturing a layered rotary anode for an x-ray tube
IPC: H01J35/10
Filed: 1973-12-04
Abstract: 1437506 Making rotary anodes; welding by pressure PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 4 Dec 1973 [7 Dec 1972] 56171/73 Headings B3A and B3R A method of manufacturing a layered rotary anode for an X-ray tube, the anode having an electron target area comprising a tungsten alloy and a support comprising molybdenum, comprises joining a first disc 1 comprising a first layer 2 of tungsten alloy and a second layer 3 of a metal or alloy having a lower yield point than that of the tungsten alloy to a support disc 4 comprising molybdenum by a high-speed forming impact process in which the diameters of the discs are increased and their thicknesses reduced, and subsequently shaping the resultant assembly. The first and second layers are formed by sintering powders of the metals of the layers in a mould. The layer 3 may comprise tungsten or a tungsten alloy. The two discs are heated and then subjected to an impact process in a pneumomechanical machine and the assembly is subsequently annealed. It is then bent at points 6, 7 and a hole 5 is formed for the reception of a shaft. The target area 2 may be an alloy of tungsten with one or more of the following metals: rhenium, niobium, tantalum, osmium, iridium, platinum, ruthenium, rhodium and palladium. The support disc may include a small amount of one or more of the following elements: titanium, zirconium, carbon, hafnium and boron. The first disc 1 may also be formed by forging together presintered or cast discs, or spraying one of its layers on to a presintered or cast disc, e.g. plasma arc spraying, and then sintering the sprayed layer.
Patent GB-1298808-A (GB)
Title: Oxidation-resistant material
Inventor: JAMES DEREK PATRICK
IPC: C04B35/528
Filed: 1969-11-17
Abstract: 1298808 Oxidation resistant refractories UNITED STATES BORAX & CHEMICAL CORP 29 Oct 1970 [17 Nov 1969] 56208/69 Heading C1J [Also in Division C7] Oxidation resistant material is made by hot pressing at 1À0-1À5 tons/sq. inch and 1700- 2200‹ C. a powdered mixture having an average particle size less than 2À5 microns comprising by weight 40-60% carbon preferably graphite, 10-40% silicon, titanium disilicide, boron silicide or silicon carbide or a mixture of two or more of these, and 10-40% boron carbide, boron suicide, titanium diboride, zirconium diboride or boron nitride or a mixture of two or more of these. Material of density at least 80% of theoretical is produced.
Patent GB-1463360-A (GB)
Title: Abrading guns
IPC: B05B7/14
Filed: 1974-12-31
Abstract: 1463360 Injection moulds ABRASIVES INTERNATIONAL Ltd 23 Dec 1975 [31 Dec 1974] 56226/74 Heading B5A [Also in Division B3] A mould for the injection moulding of a plastics material body 1 of an abrading gun (Division B3) having a nozzle 3, a passage 6 for the supply of abrasive and a passage 5 for the supply of gas, is formed in two parts 50 which meet in the plane of the paper and define a mould cavity 51. A core 53 forms a chamber 2, which receives the nozzle, and has an extension 54 forming a section 16 of the air passage. Cores 55, 56, 57 form the abrasive passage and sections 15, 13 of the air passage, respectively. The plastics material may be urethane or glass-fibre reinforced nylon.
Patent GB-1401099-A (GB)
Title: Process for producing a composition which burns without flame to produce a smoke
IPC: A24B15/14
Filed: 1973-12-05
Abstract: 1401099 Tobacco substitute TAMAG BASEL AG 5 Dec 1973 [28 Dec 1972 14 Feb 1973] 56277/73 Heading A2C [Also in Divisions C2 and C5] A method of producing a substance which burns without flame to produce a smoke, e.g. a tobacco substitute, comprises extruding a homogeneous aqueous pulp of said substance to which has been added, as nitrogen donor and flavour improver, a urea compound selected from vanillin urea, divanillin urea and paraffin urea in the form of an addition compound. Mixtures of two or more of the urea compounds may be used. The proportion by dry weight of vanillin initially reacted with urea in the pulp is preferably 0.03-1%, whilst the proportion by dry weight of paraffin contained in the pulp is 0.3-4%. Tobacco substitutes are produced in the specific example by adding an aqueous solution comprising magnesium formate, tartaric acid, potassium nitrate, diammonium hydrogen phosphate, calcium carbonate, sodium carboxymethyl cellulose, pectin and glyoxal, and the urea compound to a suspension containing crushed wheat, oat straw, coconut shells and cocoa shells. Glycerine, diethylene glycol, fruit concentrate and sugar colouring are then added. Natural tobacco wastes may be used in place of wheat, straw, and coconut and cocoa shells, and the vanillin urea may be replaced by divanillin urea, and paraffin ureas of the formulae: C 10 H 22 . (CH 4 N 2 O) 8  and C 4 H 10  (CH 4 N 2 O) 4 .
Patent GB-1399039-A (GB)
Title: Paper-making machines
IPC: D21F1/00
Filed: 1973-12-06
Abstract: 1399039 Papermaking. machine ESCHER WYSS GmbH 6 Dec 1973 [11 Dec 1972] 56586/73 Heading D2A In a papermaking machine comprising a suction roll 2 provided with suction boxes 10, 11, 12 and a flow box 1 for supplying stock to a cylinder mould mounted on the suction roll, the vacuum in suction box 11 is regulated by a controller 21 according to the pressure of stock in the flow box sensed by pressure sensor 23. The controller 21 may regulate a control valve 18 in line 17 leading to a vacuum source. A water separator 16 may be located between suction box 11 and the control valve. The flow of stock to the flow box may itself be automatically regulated by means of a control system comprising flow sensor 8 and controller 7, regulating electric motor 6 which drives pump 5. The formed web may be picked up on a felt 3 which is pressed against the suction roll by press roll 4. In modifications, the vacuum in each of the suction boxes may be separately regulated in a manner similar to that described, (Fig. 2 not shown). Alternatively, signals from three sensors aligned in the flow box wall across the width of the suction roll may be fed to a computing element from which a single signal dependent upon the three signals is fed to a controller acting on a control valve controlling the vacuum in a suction box, (Fig. 3 not shown). Or, in the event where the suction roll is provided with a single suction box divided by a partition into two sections each connected to separate vacuum sources, pressure sensors may be associated with each section, each sensor being connected to a controller acting on a control valve controlling the vacuum in one of the sections, (Fig. 4 not shown). The automatic control system may also be applied to a papermaking machine utilising a flat wire rather than a cylinder mould. The vacuum may also be controlled by control of vacuum pump speed control, or secondary air supply, rather than by adjustment of control valves.
Patent GB-1155460-A (GB)
Title: Improvements in or relating to Battery Charger Circuit Arrangements
Inventor: PRIESTLEY ALAN CLIFFORD
IPC: H02J7/00
Filed: 1966-12-19
Abstract: 1,155,460. Charging batteries. GENERAL ELECTRIC & ENGLISH ELECTRIC COMPANIES Ltd. 19 March, 1968 [19 Dec., 1966], No. 56639/66. Heading H2H. [Also in Division G3] A circuit for charging a battery from an A.C. supply includes a rectifier arrangement and a unidirectional conducting device which permits charging current to flow into the battery only when the instantaneous value of the rectified supply voltage exceeds the battery voltage. At other times, a transistor is actuated to permit measurement of the battery voltage. In the circuit shown in Fig. 1, a diode 5 is connected between the positive output terminal of the rectifier bridge 3 and the positive terminal of the battery g, and across the diode is connected the base-to-emitter path of a transistor 6 in series with a high resistance 7. Thus, current only flows into the battery when the supply V s  exceeds the battery voltage V b , and at such times there is no current through the transistor 6 since its base is positive with respect to its emitter. When V s  is less than V b , the base of the transistor 6 is biased negatively and current will therefore flow through the transistor and through a resistance 8, so that a voltage V, indicative of the battery voltage, will appear at a tapping 10 on the resistance 8. The tapping may be connected to a meter. In a modification, Fig. 3 (not shown), the diode 5 is replaced by a thyristor which is triggered only when sufficient current is flowing through a protective transistor (13). This arrangement allows charging to proceed only when the battery is correctly connected and has at least a small amount of charge remaining in it. The circuit may be further modified, Fig. 4 (not shown), by the inclusion of a control transistor (20) and a Zener diode (21). The arrangement is such that when the initial battery voltage is very low, or when the battery voltage has reached a desired maximum value, the charging time during each cycle is considerably reduced, thus preventing damage or overcharging of the battery.
Patent GB-1317288-A (GB)
Title: Electrophotography
IPC: G03G21/16
Filed: 1970-03-20
Abstract: 1317288 Electro-photographic copiers CANON K K 20 March 1970 [21 March 1969 and 16 April 1969] Divided out of 1317282 57164/72 Heading G2H  The description is the same as that of Specification 1317282, but the claims relate to a copier having an optical system in a dust-proof chamber.
Patent GB-1261618-A (GB)
Title: Improvements in or relating to triggerable pulse generators
Inventor: FITZ PHILIP JOHN
IPC: H03K3/53
Filed: 1969-11-22
Abstract: 1,261,618. Triggerable pulse generators. MARCONI CO. Ltd. 26 Aug., 1970 [22 Nov., 1969], No. 57247/69. Heading H3P. In a triggerable pulse generator of the kind in which energy storage means (capacitor 2) is arranged to charge a pulse forming network 3 which can be subsequently discharged into a load 6, a voltage step-up transformer 8 has a primary winding connected across the load and a secondary winding, in series with a unidirectional conductive device 9, shunted across the energy storage means, the arrangement being such that the device 9 is conductive during discharge of the pulse forming network so that the effective load impedance for the network is substantially determined by the transformation ratio of the transformer 8. The invention is particularly for use with a load having a non- linear impedance, e.g. a thermionic valve, but over at least a part of its range its impedance should be greater than that of the network. The transformer may comprise an additional winding or one provided to step-up the voltage across the load.