baber/WOPTO huggingface dataset:
Patent GB-199783-A (GB)
Title: Improvements in or relating to calculating machines
IPC: G06C23/04
Filed: 1922-03-23
Abstract: 199,783. Odhner, V. J. March 23, 1922. Multiplying and dividing apparatus.-In camdisc and pin-wheel machines employing a slidable totalizing-counter carriage, the operating crank is mounted upon the carriage instead of on the main framework. In the form shown in Fig. 2, the main shaft 2 is hollowed out to receive the squared shaft 4 which is provided with the crank 3 and has a bearing in the carriage 5. In another construction, Fig. 7, the crank is mounted on the shaft of a barrel pinion 10 geared with the main shaft. In a further modification, the crank shaft supported in the carriage is slidable through a pinion mounted in the framework and geared with the main shaft.
Patent GB-822694-A (GB)
Title: Improvements in or relating to a hydrogen purifier
IPC: C25B11/08
Filed: 1958-03-17
Abstract: An hydrogen purifier comprises a shell having a plurality of palladium tubes coiled therein, the ends thereof being secured to a pair of endplates attached to the shell, inlet means for admitting impure hydrogen into the tubes and outlet means for removing impurities therefrom, outlet means for removing purified hydrogen from the shell and means for heating the shell.  The tube bundle (Fig. 1) consisting of a plurality of coiled palladium tubes 2 secured to end-plates 4 and 6 is placed inside a stainless steel shell 8 (see Fig. 3), the end-plates 4 and 6 being welded to the ends thereof.  Shell 8 has an outlet conduit 19 for removal of purified hydrogen, and stainless steel caps 10 and 12 welded over each end to provide gas-tight header spaces in direct communication with each end of the tube bundle.  Cap 10 is provided with an inlet conduit 14 and cap 12 with a bleed tube 16 having a valve 18 therein.  Shell 8 is heated by a resistance coil 20 surrounding the shell and embedded in asbestos cement 22. The unit is <PICT:0822694/III/1> <PICT:0822694/III/2> <PICT:0822694/III/3> mounted in an aluminium container 24 having asbestos cement end-plates 26, and is insulated therefrom by magnesium oxide filler 28.  Impure H2 or gases containing as little as 50-60% H2 at pressures of atmospheric to 100 p.s.i.g. entering at 14 pass through the header space provided by cap 10 into palladium tubes 2 heated to 275-550 DEG  C., preferably 400 DEG  C., by electric heating coil 20.  Pure hydrogen diffuses through the walls of the tubes into the body of shell 8 from where it is removed by outlet 19.  Gaseous impurities, e.g. oxygen, hydrocarbons and water vapour pass through the tubes into the header space provided by cap 12 and are removed by bleed tube 16 through valve 18.
Patent GB-777339-A (GB)
Title: Improvements in or relating to apparatus for measuring the area of irregularly shaped materials
Inventor: ROBINSON SYDNEY
Filed: 1954-03-24
Abstract: 777,339. Area-measuring machines. JACKSON, S. W. May 31, 1955 [March 24, 1954], No. 8550/54. Class 106 (1). [Also in Group XL (b)] Apparatus for measuring the areas of skins or the like comprises a row of uniformly spaced detectors 12 over which the skin is traversed, corresponding elements 14 electrically energized by operation of the detectors, and a pick-up 16 which scans the elements 14 and produces a pulse for each energized element, the pulses being applied to an electromechanical or dekatron-type counter. The skin is drawn over the detectors 12 by a motor-driven roller 2 and drives frictionally a roller 3, spring-loaded towards the roller 2 and connected by a chain drive to an arm 17 carrying a pick-up coil 16. The detectors 12 comprise feelers moving in grooves in the rollers 2, 3 and arranged when engaged by the skin to close associated microswitches 13 so as to connect corresponding coil elements 14 to a 25 kc/s source. The elements 14 are mounted in a plate 15 adjacent to the path of the pick-up 16. Thus, as the latter is rotated by the skin, a pulse is generated for each energized element 14 and the total number of pulses corresponds to the area of the skin. The pulses are passed, by a coil 25 rotating with the pick-up 16 and a coupled fixed coil 26, and through a shaping and amplifying circuit 28, to the counter 29. The inductive coupling between the elements 14 and pick-up 16 may be replaced by a capacitive coupling or a commutator switch may be used. The feelers 12 may be arranged to vary an inductive or capacitive coupling instead of actuating switches or may be replaced by a series of photo-cells each affected by the passage by it of the skin. More. over the lower roller 2 may be omitted, the skin being pulled through the apparatus by hand or by a power drive applied through a slipping clutch to the upper roller.
Patent GB-350944-A (GB)
Title: Saving device applicable to clocks
IPC: G07F17/00
Filed: 1930-03-17
Abstract: 350,944. Coin-freed savings' clocks. HAMMARSTRAND, A. T., Djursholm, Sweden. March 17, 1930, No. 8556..[Class 27.1 Coin action, weight and multiple-coin.-Coins inserted through a shoot 1 of a savirigs' clock actuate an escapement lever 3 to allow a ratchet wheel 6 to be rotated through one tooth in the direction of the arrow V by a spring 9 for each coin. Periodically a finger 16 on the shaft 17 of a wheel 18 driven by the clock mechanism engages a pin 14b on a pawl member 14 and rotates the latter in a clockwise direction until a spring 15 reaches its dead centre position. The pawl 14 is now pulled rapidly by the spring and engages the wheel 6 to return it through one tooth. If saving is discontinued, a pin 10 on the wheel 6 engages a lever 12 so that a leaf spring 12b brakes the balance wheel 11 of the clock mechanism. A pin 19 on the shoot is engaged by the pin 10 and limits the number of coins that can be inserted during one period. An interchangeable member la enables the device to be actuated by coins of different sizes. Indicators.-A number plate on the wheel 6 indicates through an opening step-by-step rotation of the wheel, enabling the number of coins inserted to be ascertained.
Patent GB-1195343-A (GB)
Title: Ceiling Electrodes for Installations for Increasing the Field Strength in Rooms
Inventor: BERCKHEIM CONSTANTIN GRAF VON
IPC: A61N1/10
Filed: 1968-02-22
Abstract: 1,195,343. Treating with electric fields. C. G. VON BERCKHEIM. 22 Feb., 1968 [27 Feb., 1967], No. 8563/68. Heading A5R. [Also in Division B2] Ceiling electrodes for increasing the field strength in rooms consist of panel-like electrode members which are electrically connected to one another and so disposed as to maintain free mutual spacing between the members on all  sides, each member being mounted separately in a detachable manner on a holder mounted on the ceiling. The holder is in the form of an electrical insulator 6 and the electrode is mounted by means of a ball and socket joint 8 which is expandible by means of a screw 18. The electrode consists of a panel 7 of thin material such as cardboard which is impregnated with an electrical conducting material.
Patent GB-314003-A (GB)
Title: Improvements in sound recording with the aid of light
IPC: G11B7/00
Filed: 1928-03-21
Abstract: 314,003. Gramophone Co., Ltd., and Whitaker, A. March 21, 1928. Light-valves. - In recording sound by directing a beam of light influenced by the sound on to a slit an image of which is projected on to a travelling film, the light source, the slit and the optical system are mounted on or in a carrier which presents an apertured guide surface for the moving film. By this arrangement the elements of the apparatus are maintained in correct relation. As shown the light source 1, slit 3 and condensing lens 4 are mounted within a tube 6 of aluminium alloy, preferably terminating in a curved film-guiding surface 5 with an aperture 9 filled or covered with glass, fused silica, or other transparent medium to exclude dust. A Faraday cell 2 between Nicol prisms 7, 8 is arranged to influence the beam in accordance with the sound. A further optical system may be arranged to focus the beam on to the slit. The tube 6 may have external cooling fins.
Patent GB-403615-A (GB)
Title: Improvements in or relating to roofs and floors and to structural elements therefor
IPC: E04B5/28
Filed: 1932-03-23
Abstract: 403,615. Floors ; roofs ; building- blocks. CHAMBERS, J., 17, Alipur Park East, and KING, A. J., 3, Louden Street, both in Calcutta, India. March 23, 1932, No. 8685. Void [Abridged as open to inspection under Sect. 91 of the Acts, April 1, 1932]. [Classes 20 (iv) and 87 (i).] A hollow tile for concrete floors or roofs has an arched top 1 of parabolic form. The sides of the tiles are somewhat undercut to key with concrete T-beams cast between them. Central strengthening ribs 11 are provided. A flat projection 19 is provided at the top of the tile to absorb longitudinal compression due to the weight of the floor and to increase the depth of the T-beams. Reinforcing rods 18 are located in the T-beams by semi-cylindrical distancepieces of concrete, plaster, or brick resting on the flanges 3 of the tiles, or by washers threaded over the rods, or, as in the form shown in Fig. 5, the rods 18 are located by hooked wires 28 engaging the undercut edges 20 of the projections 19. Transverse reinforcements 32, Fig. 8, are placed in concrete moulded into the grooves in additional tiles 30. The tiles may be of concrete, terra-cotta, or brick or of a porous composition formed by baking clay mixed with brown coal, coal dust, peat sawdust, or other combustible material. Indian Specification 1874 is referred to.
Patent GB-433559-A (GB)
Title: Improvements in and relating to the production of formaldehyde from methane
IPC: C07C45/33
Filed: 1934-03-20
Abstract: <PICT:0433559/IV/1> Formaldehyde is produced by passing a mixture of methane, oxygen, and less than 1 per cent of nitrogen oxides (reckoned as NO), over a solid catalyst comprising an oxide or carbonate of aluminium, chromium, vanadium, molybdenum, tungsten, manganese, nickel, or cobalt and an oxide or carbonate of beryllium, magnesium, calcium, barium, strontium, cadmium, mercury, titanium, geranium, zirconium, tin, cerium, lead, or thorium, at 600--750 DEG C.  In examples, the catalyst consists of (1) barium oxide, calcium carbonate, cobalt oxide, zirconium oxide, and magnesium carbonate; (2) magnesium carbonate, alumina, cadmium oxide, and cerium oxide. In the apparatus shown methane and air are delivered by pumps 1 and 2 respectively to a container 3, the mixture, which receives nitrogen oxide from a pipe 8, being led to the reaction chamber 7 which resembles a tubular boiler in which the heating-gas is admitted at 9 and passes through the tubes 10 to an outlet pipe 12, and may give up its remaining heat to the gas mixture in the container 3.  The catalyst is arranged between the heating-tubes in the path of the reaction gas mixture and the products pass through exit 13, pipes 14 and 15 by way of a cooler 16 to a receiver 17 from which the vapours and gases pass to a washer 19, the washing-liquor being collected in a vessel 22 and returned to the washer until sufficiently concentrated, when it is led to a still 28 for further concentration. Specifications 375,314 and 405,763 are referred to.
Patent GB-1376711-A (GB)
Title: Saturated polyester-containing coating agent
IPC: C08G18/42
Filed: 1972-02-25
Abstract: 1376711 Polyester coating compositions CASSELLA FARBWERKE MAINKUR AG 25 Feb 1972 [25 Feb 1971] 8823/72 Heading C3R  A coating composition consists of (1) 60-5% by weight of a cross-linking agent which is a polymer, oligomer or monomer which contains N-methylol groups which are at least partially etherified, C-methylol groups, partially etherified C-methylol groups, epoxy groups or isocyanate groups; (2) 40-95% by weight of a saturated polyester having a molecular weight of from 1000 to 5000, a hydroxyl number of 50 to 300 and an acid number of 0À1 to 10 which is the esterification product of (A) 1-50 mol. per cent of a saturated aliphatic polyol containing up to 6 carbon atoms and having at least 3 primary and/or secondary hydroxyl groups; (B) 99-50 mol. per cent of a mixture of (a) 71-95 mol. per cent of a straight chain saturated aliphatic diol having up to 8 carbon atoms and containing primary and/or secondary hydroxyl groups separated from each other by a chain of at least 4 carbon atoms which is not interrupted by other atoms, and (b) 29-5 mol. per cent of a saturated aliphatic diol having from 3 to 6 carbon atoms and containing primary and/or secondary hydroxyl groups which are separated from each other by less than 4 carbon atoms; and (c) 5-50 mol. per cent of a saturated aliphatic dicarboxylic acid containing 4 to 10 carbon atoms and 95-50 mol. per cent of a mixture consisting of 100-5 mol. per cent of isophthalic acid and 0-95 mol. per cent of terephthalic acid. The examples describe preparing the above polyesters from trimethylolethane or propane, 1,6-hexanediol or 1,4-butanediol, 1,2- or 1,3-propanediol or 1,2-butanediol, adipic acid, and isophthalic and terephthalic acids, and forming the coating compositions by mixing the polyesters with an etherified methylolmelamine resin in ethanol or isobutanol, pentamethoxymethylmelamine, a phenol resin, a mixture of an epoxy resin and a butylated melamine formaldehyde resin or an adduct of toluylene diisocyanate and trimethylolpropane.
Patent GB-705981-A (GB)
Title: Improvements in or relating to methods of assembling magnetic plugs
IPC: B03C1/28
Filed: 1952-04-07
Abstract: 705,981. Magnetic separators. SIMP SOC. ITALIANA MECCANICA PRECISIONE. April 7, 1952 [April 7, 1951], No. 8882/52. Class 117 A magnetic plug for the removal of particles of magnetic material from lubricating oil comprises a screwed plug 1 of ferro-magnetic material, a permanent magnet 3 having a shoulder 3a, and an annular 4 preferably of non- magnetic material such as aluminium. When the annulus 4 is forced into position deformation takes place causing it to engage under the shoulder 3a and into the widened recess 2a to firmly hold the magnet 3. In a modification the permanent magnet is not provided with a shoulder but is enveloped with a sheath of sheet metal having flanges which are gripped between the annulus and the body of the plug.
Patent GB-182176-A (GB)
Title: Improved steam economising valves for locomotives and other traction engines
IPC: F01B25/00
Filed: 1921-12-07
Abstract: 182,176. Roberts, R. C. Dec. 7, 1921. Valves controlled by pilot or relay valves.-An economizer valve for locomotives or steam traction engines comprises a piston or mitre valve operated by steam or other fluid pressure, acting on a piston mounted on the valve-rod. The valve pistons 6, 6a, Fig. 2, are mounted on a common rod 7, and reciprocate within a cylinder 3. The inlet and outlet ports 4. 5 are arranged diametrically opposite, but one above the other. The operating-piston 2 is mounted on an extension 7a of the valve-rod, and reciprocates within a larger cylinder 1 under the control of steam pressure admitted through the pipe 12, 13. In a modification, Fig. 3, the inlet port 4 is arranged above the outlet port 5, and the opening movement of the valve is effected by a spring 16 and the closing movement by steam pressure. In another modification, Fig. 4, the valve is a combination of a bevelled disc 21 and piston 28 with a ball-and-socket joint 25. A valve for controlling the supply of steam to the operating- pistons of the economizer valve is shown in Fig. 5, Steam from the boiler is supplied through the pipe 11<a> and passes through the passage 12<a> in the plug to the pipe 12b, which communicates with the upper side of the larger piston. Steam is supplied in a similar manner to the undersideof the piston by turning the valve plug through 90‹. The pipe 13b communicates with the lower side of the piston and the pipe 14a with the exhaust. The valve shown in Fig. 3 is operated by a pilot valve of similar construction but having passages in one side only of the plug. The steam is exhausted by turning the plug to register with an exhaust passage, the steam passing from the. cylinder through a circumferential passage in the plug to the exhaust passage.
Patent GB-107618-A (GB)
Title: Improvements in and relating to Carburetters for Internal Combustion Engines.
Inventor: HAWXHURST JOHN JAY
IPC: F02M23/09
Filed: 1916-06-24
Abstract: 107,618. Hawxhurst, J. J., and Nicolai, E. F. June 24, 1916. Spray carburettors.-A carburettor designed to produce a mixture of constant strength at all speeds has a primary - air - supply passage 7 i n t o which projects a fuel nozzle 18 supplied from an annular float chamber 12. The outlet from the fuel nozzle is controlled bv a a needle valve 37 carried by a suction-actuated valve 34 which closes upon an adjustable seating 23, 24 and controls the admission of supplementary air through orifices 27 which are masked more or less by a projecting ledge 36 on the valve 34. The movements of the air valve are regulated by a needle valve 43 which opens the chamber 35 more or less to the atmosphere. Hot air may be admitted through the supply passage 7.
Patent GB-623186-A (GB)
Title: Improvements in or relating to methods of construction of floating vessels and apparatus therefor
IPC: B63B9/00
Filed: 1946-03-22
Abstract: 623,186. Moulds and jigs. FLETCHER, W. L., and TEES SIDE BRIDGE & ENGINEERING WORKS, Ltd. March 22, 1946, No. 8982. [Class 113 (i)] A vessel's hull is erected in stages comprising erecting jigging around which the hull is built, moving the jigging to successive positions at each of which a portion of the hull is built, and then finally removing the jigging. Carriages D run on a gantry G, and on each a lattice-braced jig B is erected, round which is assembled at successive stations the plating of the hull. Stations at which welding is to take place are under roof cover.
Patent GB-384517-A (GB)
Title: Sound recording and reproducing systems
IPC: G11B31/00
Filed: 1932-03-29
Abstract: 384,517. Induction motors. RADIO CORPORATION OF AMERICA, 570, Lexington Avenue, New York, U.S.A. March 29, 1932, No. 9069. Convention date, March 26, 1931. [Class 35.] In an installation comprising, a phonograph used both for recording and reproduction, when recording a condenser 85 is connected between the coils 41, 43 of the driving motor (of the induction-disc type) thus causing the phase of the current in these coils to approach more closely that of the applied potential thus producing a greater torque in view of the increased load.
Patent GB-931789-A (GB)
Title: Improvements in or relating to 4-arylpiperidine derivatives
IPC: C07D211/36
Filed: 1961-03-13
Abstract: The invention comprises compounds of the formula <FORM:0931789/IV(a)/1> wherein Alk is an alkylene radical of 3 to 6 carbon atoms, Ar is phenyl which may be substituted by one halogen atom or alkyl or methoxy group or by two methyl groups, or is thienyl, Ar1 is a phenyl or substituted phenyl radical or thienyl radical similar to Ar but may also be substituted by a tri-fluoromethyl group, R is amino, mono- or di-alkyl-amino, anilino, N-methyl-anilino, benzylamino, pyrrolidino, piperidino, morpholino, mono- or di-methylmorpholino, piperazino or phenyl-piperazino, and X is a hydrogen atom or a methyl group.  They may be prepared by condensation of an appropriate aroylalkyl halide with an appropriate 4-arylpiperidine carboxamide.  Examples are given and salts with inorganic and organic acids and quaternary ammonium derivatives with alkyl, aralkyl, hydroxyalkyl and alkenyl halides, sulphates and aryl sulphonates are described.  Aroylalkyl halides Ar-CO-Alk-Hal are prepared by Friedel Crafts reaction between a halo-alkyl halide and a benzene or a substituted benzene or thiophene; or by treating an o -haloalkanonitrile with the appropriate arylmagnesium bromide and then hydrolysing.  Substituted piperidines of the formula <FORM:0931789/IV(a)/2> are prepared by condensing HO-(CH2)2-NH-CH2-CH(X)-OH with Y-Cl (Y being a blocking group such as p-toluenesulphonyl or benzyl) to give compounds of the formula <FORM:0931789/IV(a)/3> heating these with thioyl chloride to give the corresponding dichloro compounds, possibly as their hydrochlorides, reacting these with nitriles of the formula Ar1-CH2-CN in presence of sodamide to give nitriles of the formula <FORM:0931789/IV(a)/4> possibly as their hydrochlorides, and simultaneously hydrolysing and detosylating these to give compounds of the formula <FORM:0931789/IV(a)/5> possibly as their hydrochlorides, or hydrolysing them to give compounds of the formula <FORM:0931789/IV(a)/6> possibly as their hydrochlorides, converting these to the corresponding acid chlorides, reacting these with the amines HR to give compounds of the formulae <FORM:0931789/IV(a)/7> <FORM:0931789/IV(a)/8> possibly as their hydrochlorides, and detosylating or debenzylating these.
Patent GB-506214-A (GB)
Title: Improvements in and relating to machines for filling jars with preserves and other similar liquid and semi-liquid substances
IPC: B65B3/32
Filed: 1938-03-25
Abstract: 506,214. Reciprocating pumps. KELLIE & SON, Ltd., R., and KELLIE, R. W. March 25, 1938, No. 9131. [Class 102 (i)] In a machine for filling jars with preserves or other liquid or semi-liquid substances which includes a table top arranged below the distributing head and carrying the travelling jars to be filled, a reciprocating pump being arranged below the table top, the pump driving mechanism includes a link-motion interposed between the usual rotary crank or eccentric 8 and the slide 12 moving with the piston rod 13 of the pump 14, and having a stroke-regulating component operatively connected to a hand-wheel 21 or the like arranged above the table top 6. The link motion includes a rock-lever 2 pivoted at 4, connected by a rod and strap 7 to the eccentric 8, and. connected by a link 11 to the slide 12, the link 11 being connected to the rock-lever by a pin 15 which is vertically adjustable-in a slot 16 in the rock-lever. The pin 15 is carried by a link 17 pivoted at 18 and carried by a non-rotatable sleeve 19 threaded on a vertical rod 20 connected to the hand-wheel 21. The upper end of the sleeve L9 may carry an index which traverses a scale on a face plate 24.
Patent GB-381487-A (GB)
Title: Improvements in lamps
IPC: F21V5/00
Filed: 1932-03-31
Abstract: 381,487. Globes for street &c. lamps. BLOHM, O., 2, Theresienstieg, Hamburg, Germany. March 31, 1932, No. 9217. [Class 75 (ii).] In a lamp having a maximum radiation in a horizontal direction so as to provide uniform illumination of a street or the like, part or the whole of the surface of the globe is disposed substantially vertically, a zone C at about the level of the light source is left clear or made only very slightly diffusing, and the remainder D of the globe is made of opal or enamel glass, or like strongly diffusing material which refracts the majority of the light horizontally. The clear or only slightly diffusing zone may extend completely or partly around the globe, it may be sharply demarcated from, or merge gradually into, the strongly diffusing portions, and it may be arranged above, below, or, as shown in the Figure, between the strongly diffusing portions.
Patent GB-1005785-A (GB)
Title: A filter for smokes, tobacco smoke and other noxious gases, and also articles equipped with the said filter
IPC: A24D3/16
Filed: 1962-03-09
Abstract: 1,005,785. Tobacco smoke filters. R. ROTHSTEIN. March 9, 1962 [March 10, 1961], No. 9231/62. Drawings to Specification. Heading A2C. A tobacco smoke filter has a watersoluble acid or acid salt as a filtering material, the acid or salt being hygrometrically stable. The filter material may be used as a solid in a divided state or dissolved and sprayed on to fibrous material such as cellulose or cotton wool. Suitable filter materials include citric acid, tartaric acid, maleic acid, oxalic acid, crystallized acid sulphate of potassium and salts or sorrel. The filter material may be mixed with mica, pumice stone, porous ceramic material, bentonite, bone acid and asbestos. Specification 1,005,786 is referred to.