baber/WOPTO huggingface dataset:
Patent GB-639661-A (GB)
Title: Improvements relating to arrangements for the sending and recording of identification signals
IPC: H04M11/02
Filed: 1947-04-29
Abstract: 639,661. Electric selective signalling systems. TELEFONAKTIEBOLAGET, L. M. ERICSSON. April 29, 1947, No. 11469. Convention date, April 29, 1946. [Class 40 (i)] In a system of generally known kind in which the members of an organization signal their present whereabouts to a central position, instead of providing in the indicating set a complete selector for each individual, a single pull-down bar of a cross-bar switch is provided for each individual and the selection indicating his whereabouts is brought about by operating a characteristic combination of the selecting magnets before operating the pull-down magnet. In the system described, connection is made with a calling party by a cross-bar switch acting as a line finder S, and the subscriber dials a number characteristic of himself to a cross-bar switch acting as a selector LV to take into use his individual cross-bar PV, shown in Fig. 1, as a uniselector. The setting of the finder S is then transferred by a common register in the form of the application of + to a combination of the wires a ... d, Fig. 2, to operate a combination of the selecting magnets STM1 ... STM12 (a signal being given also to operate PR). The individual pull down and hold magnet BPM of this subscriber is first released and then re-operated (energized or de-energized) to complete selected circuits in TRH, TRV when the key PK (of this subscriber) is operated. A lamp in each of the rows H, V is then lit. In case the registered location proves to be incorrect, key PS (self holding) is pressed, and when the subscriber on reaching his new location sets his cross-bar by operating his pull down magnet, OR is energized to give an audible warning.
Patent GB-584136-A (GB)
Title: Improvements relating to guards for non-automatic bar-stock lathes
IPC: B23B13/12
Filed: 1944-06-16
Abstract: 584,136. Machinery guards. COVENTRY MOVEMENT CO., Ltd., and BOLTON, C. W. June 16, 1944, No. 11532. [Class 80 (iv)] A non-automatic bar-stock lathe has a slidable guard which completely encloses the stock where it emerges from the guide tube and which is connected with the handle or like controlling the collet so as to be moved automatically into and out of the guarding position as the collet is closed and opened respectively. As shown, the guard 14 which is tubular surrounds the end of the stock guide tube 13 and is axially slidable on rods 29 adjustably fixed to brackets 27, 28, attached to a stationary rod 12. The guard 14 is connected by links 36, 37, 39, to the handle 18 which controls the toggle jaws 23 of the collet through a yoke 17 engaging the usual taper sleeve 15. In the position shown in Fig. 1 the collet is open and the guard is in the unguarding position. Movement of the handle 18 to close the collet causes the guard 14 to move to the right to completely enclose that part of the stock 21 between the end of the guide tube 22 and the casing 25 of the headstock. In a modification the collet control lever is flexibly connected to the guard which is biassed to the guarding position by a spring.
Patent GB-1326657-A (GB)
Title: Method and a device for repairing the tap hole of a steel con verter
IPC: C21C5/44
Filed: 1971-04-27
Abstract: 1326657 Repairing converted tap holes KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIEKEN NV 27 April 1971 [28 April 1970] 11595/71 Heading F4B The tap hole of a converter is restored to its desired dimensions after wear by spraying a refractory material from a lance mounted outside the converter against the walls of the tap hole while they are still hot. The tap hole is repaired when its diameter has increased by 1 to 2 mm., and may be repaired with the converter in the tilted position after tapping, or with the converter upright during charging or oxygen blowing. A lance 3 supported by a movable frame 7 is fed with a mixture of refractory and liquid e.g. water from hoppers 11a, 11b via a mixer 10. The lance head, Fig. 3 has a guide nose 18, a nozzle part with circumferential holes 16, and a reamer 19. If the tap hole is unevenly worn, the lance is moved to and fro to ream it out, retracted to a position where the nozzles 16 are within the hole and sprayed first with dry refractory in a gaseous carrier and then with a mixture of refractory and water, or refractory and ground pitch.
Patent GB-892474-A (GB)
Title: Method of reducing the tendency to adhere together of particles of organic carbonaceous material such as coal and peat during process thereof
IPC: C10B57/06
Filed: 1958-04-14
Abstract: A method of reducing the tendency of particles of coal, brown coal, peat or like organic carbonaceous material to adhere together during mixing and/or grinding thereof includes the step of adding a diesel or fuel oil to the particulate material before and/or during the mixing and/or grinding of the material.  The oil may be added in a quantity of from 0,1 to 1,5%, preferably between 0,3 to 0,6%, of the material.
Patent GB-691234-A (GB)
Title: Photographic developers
IPC: G03C7/413
Filed: 1951-05-18
Abstract: p - Amino - N - ethyl: N - (b  - p - sulphophenylethyl)-aniline hydrochloride is prepared by first heating together ethylaniline, phenylethyl bromide, and diethylaniline to obtain N-ethyl: N-(b -phenylethyl)-aniline (step A); heating the latter with concentrated sulphuric acid to obtain N - ethyl: N - (b  - p - sulphophenylethyl)-aniline (step B); nitrosating this by adding sodium nitrite to a hydrochloric acid solution thereof to obtain p-nitroso-N-ethyl: N-(b -p-sulphophenylethyl)-aniline (step C); and reducing the nitroso compound with iron dust (step D).  N - Ethyl: N - (g  - phenylpropyl) - aniline, N - ethyl: N - (d  - phenylbutyl) - aniline, N - ethyl: N - (g  - phenylpropyl) - m - toluidine, and the corresponding compounds derived from N-methyl-m-toluidine, N - hexyl - m - toluidine, N - hexyl - m - ethylaniline, and N - ethyl - m - isopropylaniline, and N - ethyl: N - (g  - phenylpropyl) m-phenetidine and the corresponding compounds derived from m-anisidine, m-phenetidine, N-methyl - m - ethoxyaniline, N - methyl - m - isopropoxyaniline, N - hexyl - m - methoxyaniline, and N - hexyl - m - ethoxyaniline are similarly prepared according to step A; N-ethyl: N - (g -p-sulphophenylpropyl)-aniline, N-ethyl: N-(d -p - sulphophenylbutyl) - aniline, N - ethyl: N - (g -sulphophenylpropyl) - m - toluidine, and N - ethyl: N - (g  - p - sulphophenylpropyl) - m - phenetidine are similarly prepared according to step B; p - nitroso - N - ethyl: N - (g  - sulphophenylpropyl) - aniline, p - nitroso - N - ethyl: N - (d  - p - sulphophenylbutyl) - aniline, p - nitroso - N - ethyl: N - (g  - p - sulphophenylpropyl) - m - toluidine, p - nitroso - N - ethyl: N - (g  - p - sulphophenylpropyl) - m - phenetidine are similarly prepared according to step C; p-amino-N-ethyl: N - (g  - p - sulphophenylpropyl) - aniline hydrochloride, p - amino - N - ethyl: N - (d  - p - sulphophenylbutyl) - aniline hydrochloride, p - amino - N - ethyl: N - (g  - p - sulphophenylpropyl) - m - toluidine, and p - amino - N - ethyl: N - (g  - p - sulphophenylpropyl) - m - phenetidine hydrochloride are similarly prepared according to step D. Specifications 535,341, 598,477, and 662,793, [Group XX], are referred to.
Patent GB-567624-A (GB)
Title: An improved razor blade sharpening device
IPC: B24D15/08
Filed: 1943-07-19
Abstract: 567,624. Sharpening razors. PETERS, N. July 19, 1943, No. 11733. [Class 60] A device for sharpening razor blades has a curved surface of wave or ridge formation so as to present to the blade edges a series of convex surfaces, the ridges running substantially in the same direction as the longitudinal axis of the curved surface. Fig. 1 shows the device in the form of a cup A having formed in the upper portion of the internal wall convex ridges A<1> parallelto the axis of the cup, and in the lower portion similar ridges A<2> at a slight angle to the axis; the ridges A<1> may be of greater pitch than that of the ridges A<2>, the ridges A<1> being for honing and the ridges A<2> for stropping. In a modification, the device is in the form of a pedestal, with a semi-cylindrical face having ridges as described above ; the pedestal may have side flanges which may be undercut to guide the ends of the blade. In another modification, the pedestal has a semiconical face formed with the ridges which are thus of.divergent form lengthwise, and in a further modification, Fig. 7, the device is in the form of a tray E with divergent ridges E<1> inclined to the sides of the tray. The ridges may be fluted to increase the abrasive effect. The device may be made of glass, plastic material, or glazed earthenware.
Patent GB-417617-A (GB)
Title: A process for splitting up a liquid mixture into its components or groups of components
IPC: C10G21/00
Filed: 1933-04-21
Abstract: In separating a liquid mixture into its components A, B by a solvent S which dissolves A more readily than B the component A is obtained in any desired degree of purity by washing at uniform temperature the extract solution of A in S with a liquid which entirely or substantially consists of A.  The extraction and the washing may both be in counter-current, and the washing liquid may be some of the extract from which the solvent S has been entirely or substantially removed, and the used washing liquid may be treated with the solvent S.  The last operation is preferably effected when the washing liquid is of approximately the same composition as the initial liquid mixture AB and may advantageously be mixed with it.  The solvent S may be completely miscible with component A, but when a high degree of purity is required it is essential that at the working temperature the solvent be only partially miscible with both A and B. Atmospheric, reduced, or increased pressure may be used.  Mixtures of solids may be treated by first dissolving in a suitable solvent.  In an example, petrol containing 15 per cent of aromatics is treated at -20 DEG  C. with \ba2/3\be vol. of furfurol, and the raffinate layer separated from the extract layer.  This extract layer consists of furfurol and 14 per cent of the original petrol with an aromatic content of 55 per cent.; it is mixed with \ba3/4\be vol. of liquid obtained by evaporating the furfurol from a similar extract, and the layers again separated; an extract petrol with an aromatic content of 75 per cent is obtained.  In a second example, countercurrent extraction and washing are effected in a single tower by introducing the furfurol at the top, the aromatic petrol at the middle, and the washing liquid at the bottom.
Patent GB-958275-A (GB)
Title: Polyether-thioethers
IPC: C08K5/372
Filed: 1961-03-30
Abstract: Polyether-thioethers of the general formula: R1-O-(CHR2-CHR3-O) m-(CHR4-CHR5-S-CHR6-CHR7-O) n-(CHR8-CHR9-O)p-R10 wherein R1 and R10 stand for linear or branched alkyl radicals containing 1 to 22, preferably 3 to 18, carbon atoms, R2, R3, R4, R5, R6, R7, R8 and R9 denote hydrogen atoms and/or identical or different linear or branched alkyl radicals containing 1 to 12 carbon atoms, and m, n and p are whole numbers from 1 to 10, preferably 1 to 5, are prepared by reaction between a compound of the general formula: R1-O-(CHR2-CHR3-O)m-H (I), a compound of the general formula: R10-O-(CHR9-CHR8-O)p-H (II), and a bis-(hydroxyalkyl) sulphide of the general formula: HO-CHR4-CHR5-S-CHR6-CHR7-OH in the presence of an acid or of a compound which forms an acid under the reaction conditions. The compounds of general formula (I) and (II) and the dihydroxy-alkyl sulphide are preferably used in a molecular ratio of from 5:1 to 2:5. Numerous suitable starting materials and acids or acid-forming compounds are specified.  The compounds of formulae (I) and (II) may be prepared by reacting aliphatic monohydric alcohols simultaneously or in any order with ethylene- and propylene oxides. Examples are given.  The compounds may be used as lubricants.ALSO:Polyether-thioethers of the general formula R1 - O - (CHR2 - CHR3 - O)m - (CHR4 - CHR5 - S - CHR6 - CHR7 - O)n - (CHR8 -CHR9-O)p-R10 where R1 and R10 denote linear or branched alkyl radicals containing 1-22 carbon atoms, R2, R3, R4, R5, R6, R7, R8 and R9 denote hydrogen atoms and/or identical or different linear or branched alkyl radicals containing 1-12 carbon atoms, and m, n and p are whole numbers from 1 to 10 may be used as lubricants, hydraulic fluids and in metal working and may contain lubricant additives such as those based on phenols or aromatic amines.  Aqueous emulsions of the oil produced in Example 4 are stated to be useful for metal cutting or drilling.
Patent GB-977262-A (GB)
Title: A method of agglomerating powdered iron ore
IPC: C22B1/16
Filed: 1961-03-30
Abstract: Powdered iron ores are agglomerated by sintering the ores, with the addition of fluorite or a substance comprising CaF2 such as prosopite or gearksutite, in an oxidizing atmosphere at a temperature below normal sintering temperatures, e.g. 1000-1200 DEG  C., or at which a high fluid slag will be produced, the CaF2 remaining undecomposed. For example, 10% fluorite by weight of the ore may be added.
Patent GB-554812-A (GB)
Title: A method of producing magnet cores and the like from pulverulent iron
IPC: H01F1/14
Filed: 1942-08-24
Abstract: 554,812. Decarburizing iron. KALLING, B. M. S. Aug. 24. 1942, No. 11898. [Class 72] [Also in Group XXXV] Magnetic dust cores for high frequency coils are produced by compressing iron powder prepared from finely subdivided pig-iron, preferably containing 1-4 per cent. silicon and up to 2 per cent.phosphorus, the particles of which are decarburized by heating to below their melting point in an atmosphere of carbon monoxide and carbon dioxide or hydrogen whereby the carbon content is reduced to the order of 0.01 to 0.02 per cent. without causing substantial oxidation of the iron. The atmosphere may, however, be made slightly oxidizing so as to produce a thin film of oxide on the particles for insulating purposes. The subdivision of the pig-iron is produced by granulation in a liquid state with or without subsequent crushing of the particles to 0.05 m.m. grain size. The decarburizing may be effected in a rotating tubular furnace and the particles may subsequently be further ground to a smooth spherical shape in a rotating drum. Specifications 484,662, 504,122 and 514,491 are referred to.
Patent GB-716066-A (GB)
Title: Gill-box rotor
IPC: D01H5/02
Filed: 1952-05-12
Abstract: 716,066. Roller arrangements in textile spinning &c. machines; gill drawing- frames. ASTBURY, W. June 13, 1952 [May 12, 1952], No. 11901/52. Classes 120(1) and 120(2) A " gill-box rotor " or porcupine roller comprises bars B of square cross-section carrying steel pins B<SP>1</SP> and secured by means of bolts or steel rings, as at C<SP>1</SP>, to a plain roller formed by a length of piping A<SP>2</SP> in which is set two discs, as at A', carrying a shaft A: an angular set of the pins B<SP>1</SP> is obtained by soldering a rod B<SP>2</SP> to each bar B, and the whole assembly is consolidated by soldering. Figs. 6, 7, 8 (not shown) illustrate the incorporation of a chain driven rotor in gill-boxes for treating wool sliver, each comprising a leather apron rotating around the top or the bottom draft roller, and a freely-rotatable rubber-covered roller for guiding the sliver on to the pins.
Patent GB-723972-A (GB)
Title: An improved two-stroke cycle direct injection internal combustion engine
IPC: F02M69/00
Filed: 1951-05-22
Abstract: 723,972. Two-stroke direct-ignition engines. GUTBROD MOTORENBAU GES. May 22, 1951 [May 22, 1950], No. 11906/51. Class 7 (3). In a two-stroke cycle engine having an exhaust port 10 in one side of the cylinder and radially directed scavenge ports 9 adjacent and level with the exhaust port and through which the scavenging air flows across the cylinder without obstruction and then upwardly away from the piston, one or more fuel injection nozzles is or are provided on the opposite side of the cylinder level with the scavenge ports and arranged to direct a fuel jet or jets towards the scavenge ports and into the scavenging air entering the cylinder through the ports. The figures show various arrangements of fuel injectors these injectors being indicated by the ref. numbers 2 to 7. In all cases the injectors are arranged to project the fuel towards the scavenging ports 9. In some cases it may be advantageous to provide an additional fuel nozzle to direct a jet of fuel towards a sparking plug.
Patent GB-707247-A (GB)
Title: Improvements in or relating to method of making an expanded material and the productresulting therefrom
IPC: C08J9/30
Filed: 1951-05-22
Abstract: A sponge material is made by dispersing bubbles in an aqueous solution containing a primarily inorganic acid having a dissociation constant of at least 10-2 and reacting therein formaldehyde with either a water-soluble hydrolysed copolymer of allylidene diethoxide and vinyl acetate, or of allylidene diacetate and vinyl acetate, the copolymers containing up to 15 mol per cent. of the allylidene compound, or a mixture of either of these with polyvinyl alcohol, or a mixture of polyvinyl alcohol with a dialdehyde containing up to 15 mol per cent. of dialdehyde. When the dialdehyde is used, it may be as such or, preferably, as the acetal, which reacts with the acid to liberate the dialdehyde, e.g., ethyl, methyl and ethylene glycol acetals of 2.4-dimethyl-2-methoxy methyl glutaraldehyde, and of 2-hydroxyadipaldehyde.  The formaldehyde may be in the form of gas, an aqueous solution, a paraformaldehyde, hexamethylene tetramine or a compound with alcohol, e.g. methylal.  The bubbles are preferably formed by beating but compounds which react with the acid to give off a gas may be used, e.g. powdered calcium carbonate, sodium bicarbonate, magnesium and zinc.  A wetting agent is also preferably employed and a large number is listed. Suitable acids are sulphuric, hydrochloric, nitric, phosphoric and p-toluene sulphonic acids. Their concentrations are generally 6 to 45 per cent. based on the total amount of water present.  The concentration of the polymer mixture is preferably 5-25 per cent. based on the weight of water. After heating the solution to a froth, it may be poured into a mould which is left in a heated atmosphere for reaction to be completed. The sponge is removed and washed and may be cut up into blocks or sheets. The latter may be pressed lightly while being heated to produce thin sheets usable as wash cloths or artificial chamois skins.  If a skin is formed during the moulding, it may be cut away to expose the interconnecting pores.  Dyes, pigments and fillers may be included in the sponge, for example, a phthalocyanine compound, iron oxide, chromic oxide, wood flour, glass wool, kieselguhr and pumice.  Specifications 609,138 and 609,838 are referred to.
Patent GB-1247799-A (GB)
Title: Methods of preparing images from photographic materials
Inventor: PRZEZDZIECKI WOJCIECH MARIA
IPC: G03F7/008
Filed: 1969-03-06
Abstract: 1,247,799. Photographic processes. KODAK Ltd. March 4, 1970 March 6, 1969], No. 11948/69. Heading G2C. A photographic process comprises stripping off the polyethylene layer from a material comprising a support, a metal layer, a photoresist layer and a polyethylene layer, imagewise exposing the material, removing the more soluble areas of the resist and etching the bared metal areas. The polyethylene cover layer may contain a dye or pigment and is preferably laminated to the light-sensitive layer. The metal layer may be deposited on or laminated to the support. The photo-resist may be a natural or synthetic rubber sensitized with an an azide or a polyvinylcinnamate.
Patent GB-724850-A (GB)
Title: Improvements in or relating to electrically conductive colloidal graphite solution
IPC: H01B1/24
Filed: 1953-04-30
Abstract: 724,850. Electric heating resistances. PITTSBURGHPLATE GLASS CO. April 30, 1953 [April 30, 1952], No. 11954/53..Class 39 (3) [Also in Group XXIII] An electrically-conducting liquid comprises an aqueous solution of colloidal graphite and an alkali-metal carboxyalkyl cellulose. The liquid is used for making a conducting stripe adjacent the edges of at least one of a pair of spaced superposed glass sheets which, after being initially preheated and the striped sheet placed uppermost, are heated electrically by 'the passage of current through the stripe whereby the edges of the upper plate soften and sag into contact, with the lower plate and become welded thereto to form a double-glazed unit. The stripe is formed by painting, spraying, screening or contact with a rotating wheel dipping into the liquid. Specifications 566,629 and 570,747, [Group XXIII], are referred to.
Patent GB-647294-A (GB)
Title: Improvements in metal toast racks
IPC: A47J37/08
Filed: 1948-05-01
Abstract: 647,294. Toast racks. WIGGIN, Ltd., J. & J., WIGGIN, W. C. B., WIGGIN, A. L., and BUCK, F. G. May 1, 1948, No. 11973. [Class 128] A metal toast rack has a row of straight pins 3 fixed along the middle line of its rigid base 1 which may have upturned edges with scollops 2 for locating toast. The middle of the base may be raised to a level just below the level of the troughs of the scollops. The pins 3 may have reduced lower ends which pass through holes in the raised part of the base and a backing strip 4 and are then riveted. According to the Provisional Specification the rack may have a row of pins on each side of the middle line of the base.
Patent GB-277052-A (GB)
Title: Improvements in or relating to a device for converting electric oscillations into mechanical vibrations
IPC: H04R11/00
Filed: 1926-05-07
Abstract: 277,052. Wade, H., (Naamlooze Vennoots. chap Philips' Gloeilampenfabrieken). May 7, 1926. Magnetic instruments. -A device for converting electrical oscillations into mechanical vibrations, more particularly for use in loud-speakers, comprises a ferromagnetic element movably provided within a permanent magnetic field and polarized by a surrounding immovable winding or windings, the element being adapted to move alongside the magnet pole-shoes so that the width of the air-gaps remains unvaried. Fig. 1 shews a construction employing an H-shaped armature having its ends located between the unlike poles of two horseshoe magnets 1, 2, the neutral points of which are connected by a magnetic yoke 3. A stationary coil 7 surrounds the yoke 6 connecting the legs 4, 5 of the armature, which is guided rectilinearly by bifurcated rods 8 passing through guides 9. One of the rods 8 carries at its end a cone 10. In the modified construction, Fig. 5, a double T-shaped armature 4, 5, 6 is rotatably mounted on a shaft 11, the yoke 6 being surrounded by two stationary coils 7. The pole-shoes of the magnets 1, 2, which have their poles of like nature oppositely disposed on a magnetically conducting yoke 3, are turned out concentrically to the shaft 11 so as to leave only a very narrow air gap between the poles and segments 4, 5. The neutral points of the magnets are connected at 13. The degree of stability can be controlled, in both constructions, by regulating the iron section of the. yoke 6 relatively to that of the segments 4, 5.