baber/WOPTO huggingface dataset:
Patent GB-223847-A (GB)
Title: Improvements relating to the prevention of scale and like deposits in boilers and the like
IPC: C02F1/48
Filed: 1923-04-18
Abstract: 223,847. Heberlein, E. A. April 18, 1923. Incrustation, preventing and removing. - Boilers and the like are protected against scale deposits by applying a small E.M.F. directly to the metallic shell thereof and superimposing upon the very small current produced a periodically varying induced current. A thermopile 1, Fig. 1, is connected to the boiler at points 3, 5, and the circuit includes a coiled steel spring 14 arranged on the core of a permanent magnet 6 mounted on the boiler shell, the lower end of the spring being held rigid with the core. Vibrations of the boiler are communicated to the spring, with the result that a current is induced therein. In a modification the magnet consists of a tuning fork 6, Fig. 3, mounted on an insulating plate 7 secured to the boiler and fitted with terminals 15, 16. A fixed core 13 is situated between the limbs of the fork and is provided with a coil 14 wound around hooks 9, 10 and having its ends connected to the terminals 15, 16 which are situated in the protective current circuit. In Fig. 6, an iron helix 46 and a copper helix 47, connected together at one end and to terminals 48, 49 at the other end, are suspended from a pillar 45 mounted on the boiler shell and are included in the protective circuit. The vibrating devices may be operated by the escape of steam or hot air, by the fumes in the boiler flues, or by the vibrations of the engines. On board ship they may be operated by the vibrations of the hull. The vibrating device may consist of a vibrating hammer, a thin blade, a reed or a membrane. Specifications 4181/07 and 210,055 are referred to.
Patent GB-1471187-A (GB)
Title: Compactors
IPC: B65F1/06
Filed: 1974-06-04
Abstract: 1471187 Refuse compactors McCLAIN INDUSTRIES Inc 4 June 1974 [6 Dec 1973] 24630/74 Heading B8C A cart for a refuse compactor as described in Specification 1,457,772 is in two sections 50, 51 hinged together about points 52 so that section 50 can be pivoted to raise end wall 55 to permit a bag of compacted material to be removed by horizontal movement. Side wall portions 56, 60 of the two sections overlap. A U-shaped member 72, 71, 73 clamps the mouth of a bag over the sides and an end of the cart.
Patent GB-203899-A (GB)
Title: Sewage disposal plant
IPC: C02F3/12
Filed: 1922-09-12
Abstract: 203,899. Elrod, H. E. Sept. 12, 1922. Aerating; plant. - Sewage prior to treatment with activated sludge is passed through a preliminary settling- tank 10 and a chamber 18 in communication therewith containing a float 32, the rise and fall of which makes and breaks an electric circuit passing through the motor 33 of a pump 34, which delivers the liquid from the preliminary tank to the aeration tank 20, and through a motor blower 37 which delivers air to the tank 20 through a main 24 and diffusers 22. From the tank 20 the sewage passes to a settling-tank 25 provided with baffles 28, 29, and is discharged through a pipe 30. The settled matter in the tank 10 is subjected to anaerobic decomposition and discharged periodically to a drying-bed. Sludge collecting in the tank 25 is raised through a pipe 42, by air delivered from the blower by a pipe 40, and returned through a. pipe 43 to the tank 20 or discharged to the drying-bed through a pipe 44.
Patent GB-940181-A (GB)
Title: Process for differential tempering of sheet glass and sheet glass produced thereby
Inventor: LONG BERNARD
IPC: C03B27/016
Filed: 1962-06-27
Abstract: <PICT:0940181/C1/1> <PICT:0940181/C1/2> <PICT:0940181/C1/3> In the differential tempering of glass sheets a sheet is heated to softening temperature and located between two reflecting plates to which are symmetrically attached cooling elements having the outline of at least one " reserved " zone and made of a material having a thermal diffusivity greater than 0.10 C.G.S. units which cooling elements are drawn symmetrically towards the faces of the softened sheet to a distance within thirty hundredths of a millimetre of the sheet for a period of less than 10 seconds to define the " reserved " zone and then withdrawn and the whole sheet subjected to vigorous cooling. Suitable materials for the cooling elements are metals such as steel, stainless steel or brass or graphite and for the reflecting plates chromium-plated steel, silverplated brass or polished aluminium.  In one embodiment a glass sheet 1 is withdrawn from a furnace 2 while reflecting plates 4 are in the position 41.  As soon as the sheet 1 comes to rest the plates 4, carrying ring-shaped cooling elements 3 and nickel chromium spacing wires 5, are rapidly drawn towards the sheet, held there for less than 10 seconds and rapidly withdrawn. The sheet 1 is then raised and tempered by jets of air from nozzles 11 on blast pipes 10.  The wires 5 are secured to the elements 3 by pressure screws 15.  In another embodiment the cooling elements are in the form of bars to produce a cross-strip " reserved " zone which acts as a transverse barrier.  The cooling elements may also take the form of small hexagons which cover part only or, as shown in Fig. 9, the whole of the sheet. Each cooling element has, relative to its associated reflecting plate, a relief decreasing from its central part towards its periphery. Specifications 726,626, 784,382 and 910,917 are referred to.
Patent GB-185031-A (GB)
Title: Improvements in or relating to the sockets or bases for trolley poles for electrically propelled vehicles
IPC: B60L5/36
Filed: 1921-09-19
Abstract: 185,031. Munro, E. M. Sept. 19, 1921. Supporting and controlling arrangements for collectors.-In a two-pole trolly base wherein the pole sockets are pivotallly mounted on rotating tables, each elevating spring is disposed on the side of its socket remote from the other socket. As shown, each pole F is carried by a socket E which pivots on a pin D carried by a bearing A<2> on the table A, which rotates in the base-plate B'. Each socket E has a crank E<1> which is connected to a rod K within a tube J carrying the spring G, the tube being supported by a frame H welded or secured to the table A. Each table has a cam M engaged by rollers N on frames N' drawn together by a spring P as described in Specification 178,701; in a modification, Fig. 5, the rollers N<2> are carried by leaf springs P<2> adjustably secured by serrated brackets R engaging a corresponding part on the base-plate. The socket E may carry a pole F<1> acting as a strut to the pole F, or the socket E may be strengthened by an arm E<3>.
Patent GB-919974-A (GB)
Title: An improved fluid flow indicating and signalling device
IPC: G01P13/00
Filed: 1959-07-20
Abstract: 919,974. Inductances. ZAVODY ELEKTROTEPELNYCH ZARIZENI (ZEZ) NARODNI PODNIK. July 20, 1959 [July 21,1958], No. 24785/59. Class 38 (2). [Also in Group XXIX] In a fluid flow indicator comprising a tube 3 of non-magnetic, non-conductive material through which the fluid flows in an upward direction, a solenoid coil 2 surrounding at least the lower portion of the tube and connectable in an alternating current indicating and/or signalling circuit 10-20 (Fig. 2), and a piston 1 of magnetic material freely slidable in the tube to vary the impedance of the coil in accordance with the position of the piston 1 in relation to the coil 2, the piston 1 is in the form of a hollow cylinder which is open at its upper end and in the region of its lower end is closed or is closed except for a metering orifice 14 provided .at that end and the cylindrical wall of the piston is formed with one or more longitudinal slots extending from the open end towards the opposite end. The coil 2 is provided with an outer casing 5 of soft steelsheet. Liquid flowing upwards through the tube 3 raises the piston 1 in the tube, thus decreasing the impedance in the coil 2. The coil is connected in series with a coil of a suitable relay 12 in a circuit supplied by a low alternating voltage E. The fall in impedance at the coil 2 results in an increase in current and voltage at the relay coil which closes the current circuit 10-20. If liquid ceases to flow, the piston sinks, the impedance increases, current and voltage in the relay coil are decreased and the current circuit 10-20 is consequently interrupted and will thus indicate the cessation of flow.
Patent GB-927856-A (GB)
Title: Improvements in and relating to freewheel clutches
IPC: F16D41/07
Filed: 1959-07-20
Abstract: 927,856. Ratchet clutches. A. MAURER. July 20, 1959 [Aug. 6, 1958], No. 24796/59. Class 80 (2). In a sprag clutch the space between the inner and outer races is of non-uniform radial width whereby as the sprags creep circumferentially during overrunning they are periodically tilted to and fro to ensure uniform wear of their ends. The races may comprise combinations of circular members or non-circular arcuate members concentric or eccentric with respect to the axis of rotation. In the construction according to Fig. 1 the surface 3 of the inner race 1 is circular and concentric with respect to the axis 2, while the surface 6 of the outer race 5 is also circular but its centre 7 is displaced from the axis 2. Alternatively as shown in Fig. 4 the inner face 22 may be of concentric circular and the outer race 26 of two-lobed non-circular form. In other arrangements the outer race is of three-lobed form, Fig. 5 (not shown), or the inner race is of two-lobed and the outer race of concentric circular form, Fig. 6 (not shown).
Patent GB-443495-A (GB)
Title: Sight testing device
IPC: A61B3/036
Filed: 1934-08-29
Abstract: 443,495. Sight - testing apparatus. CULVER, Ltd., G., White Lion Street, Pentonville, London, and MILLS, I. A., 12, Mavis Avenue, Cookridge, near Leeds. Aug. 29, 1934, No. 24910. [Class 97 (i)] A chart for use in testing astigmatism consists of a base 1 on which is rotatably mounted a member 2 provided with a series of lines 6, 7 having appreciable thickness so as to constitute " blacknesses " and arranged end to end with each line inclined at a convenient angle, e.g. 5‹ to the next; so as to form three apparent curves 3, 4, 5 which are convexly curved towards each other and are symmetrically disposed about the axis of rotation of the disc 2. The curves are asymptotic to radial lines 9 marked on the disc and dividing its circumference into three equal parts. To enable adjacent lines 6, 7 to be distinguished from each other, gaps 8 are left between them. Each apparent curve 3, 4, 5 may be extended at each end by longer rectangles 3<1>, 4<1>, 51. The base 1 is marked with an angular scale around the circumference of the disc 2.
Patent GB-1505590-A (GB)
Title: Control stepping devices
IPC: B23Q16/06
Filed: 1975-06-11
Abstract: 1505590 Ratchet gearing R HABIB 11 June 1975 [18 June 1974] 24971/75 Heading F2Q A rotary plate 1 is provided with internal teeth 2 which are adapted to be engaged by pin 4, 4<SP>1</SP> on a reciprocating member 3, thereby effecting stepwise rotation of the plate 1. In a modification, a reciprocating member 13 carries teeth 14, 14<SP>1</SP> mounted on arms 15, 15<SP>1</SP>, the teeth engaging external teeth 12 on a rotary plate 10. In a further modification, teeth 17, 18, 19, 20 in a rotary plate 16 are adapted to be engaged by pins 22, 23 on a reciprocating member 21, to cause rotation of the plate 16 in one direction, rotation in the opposite direction being prevented. Rotation is assisted by frictional engagement of shoes 24, 25.
Patent GB-1520901-A (GB)
Title: Liquid erystal device
IPC: G02F1/1337
Filed: 1975-06-11
Abstract: 1520901 Controlling light TOKYO SHIBAURA ELECTRIC CO Ltd 11 June 1975 [13 June 1974] 24994/75 Heading G2F One or both substrates of a liquid crystal device are treated with a solution of a complex A or B where X is an anion such as nitrate or chloride, and R is a hydrocarbon group which may be aliphatic or cyclic (including aromatic), saturated or unsaturated, and unsubstituted or substituted, in order to impose a predetermined alignment on adjacent liquid crystal molecules. Using complex A with a hydrophobic group R, and in particular with fluorosubstituted groups, nematic, smectic and large pitch cholesteric phases adopt a homotropic alignment e.g. in dynamic scattering devices and other cholesteric phases have a focal conic alignment e.g. in phase change devices. With other complexes A, and complexes B, and generally after unidirectional rubbing of the treated substrate, homogeneous alignment is obtained, e.g. in nematic "twist" cells, and these exhibiting variable birefringence in response to an electric field. The substrates include plain glass, glass coated with tin oxide or aluminium, and a chromium metal plate. The chromium complex is normally used as a 0.01 to 10 wt. per cent solution in water and/or organic solvent, and alkali may be added to control the pH. In devices where the substrates are bonded together by plastics material it is said that the bond strength and hermeticity of the seal is improved, particularly using a mixture of a complex A where R is methylacrylate and a further complex A or B, especially a complex A in which R contains fluorine.
Patent GB-277982-A (GB)
Title: Improvements in taximeters
IPC: G07B13/00
Filed: 1927-09-22
Abstract: 277,982. Kienzle Uhrenfabriken Akt.-Ges. Sept. 22, 1926, [Convention date]. Zeroizing-mechanism.-In resetting means for the fare indicating dials of a taximeter, operated by its flag spindle, a cam 132 on the setting- spindle effects the re-setting of the indicator wheels and locks various parts of the mechanism. An arm 136 actuated by the cam withdraws the pawl 149 from the wheel 127, a pin 153 releases the pawl 157, and a spring on the spindle 126 zeroizes the wheel 128. A nose 139 on the arm engages a heart-shaped cam 128 and the lower end of the arm brings a lever 141 into engagement with a heart-shaped cam 122 to zeroize the wheels 120, 119 respectively, the wheel 119 having been moved axially out of engagement with the wheel 118 by a part 62 of the lever 60, 61 engaging a cone 125 on the spindle 113. The slide 63 is also depressed by the lever 61 and brings a pawl 95 out of engagement with the wheel 159, a spring 161 frictionally engaging the hub of the wheel 159 zeroizing the wheel 118. A pin 66 on the slide removes the pawl 89 from the wheel 91, and a second pin 67 removes the pawls 77, 82 from the " Extras " wheel 86. An arm 72 on the lever 69 is removed from a stop 73 and a pin 74 on the arm removes the pawl 309 from the wheels 159, 162. The lever 69 withdraws the pawl 297 and also, by means of gears 71, 304, the pawl 306, from the wheel 292, and a spring 218 advances the wheel 292 until the pin 290 reaches the end of the " minimum-fare " slot 291.
Patent GB-1388053-A (GB)
Title: Catalytic hydrogenation of nitriles
IPC: B01J25/00
Filed: 1972-05-26
Abstract: 1388053 Catalytic hydrogenation of nitriles W R GRACE & CO 26 May 1972 [13 Aug 1971] 25071/72 Heading C2C Fatty acid nitriles are hydrogenated to the corresponding amine by contacting with hydrogen at 120-200‹ C. and 14-42 kg./cm.<SP>2</SP> and in the presence of a Raney cobalt catalyst containing 76-82% by weight cobalt. The catalyst is prepared by leaching an aluminium/cobalt alloy, containing from 65-55% by weight Al and 35-45% by weight CO, with an aqueous sodium hydroxide solution containing less than 10% by weight NaOH at a leaching temperature of at most 50‹ C. Preferred nitriles are those containing 6-22 carbon atoms, e.g. oleyl, stearyl, linoleyl, myristyl, palmityl and lauryl nitriles and mixtures of nitriles, e.g. tallow and cocoyl nitriles.
Patent GB-1490326-A (GB)
Title: Methylation of phenolic compounds
IPC: C07C39/07
Filed: 1976-06-17
Abstract: 1490326 Methylation of phenolic compounds CONTINENTAL OIL CO 17 June 1976 [25 Aug 1975] 25210/76 Heading C2C 2,3,6-Trimethylphenol is prepared by contacting 2,6-xylenol with methanol in liquid phase at a temperature of 300 to 390 C. and a pressure of 350-500 p.s.i.g. in the presence of an alumina catalyst derived from aluminium alkoxide hydrolysis.
Patent GB-578503-A (GB)
Title: Improvements in or relating to the propulsion of ships in water
IPC: B63H11/12
Filed: 1944-12-16
Abstract: 578,503. Jet propulsion apparatus. ADAMS, T. HAMILTON-. Dec. 16, 1944, No. 25266.[Class 114] A propulsion device for ships comprises a chamber 2 in which fuel is burnt to evaporate water in chambers 1, 3 respectively surrounded by and surrounding the chamber 2. The burnt gases in the chamber 2 exercise an ejector action on the steam in the chambers 1, 3 and the combustion products and steam mix in a chamber 5 before passing to nozzles 9, 10 arranged for forward and reverse propulsion and controlled by a valve 7. A turbine 6 beyond the chamber 5 drives the fuel and air pumps.
Patent GB-207792-A (GB)
Title: A process of producing light-coloured and colour-fast, hard, infusible and insoluble products of condensation from phenols and aldehydes
IPC: C08G8/00
Filed: 1923-10-10
Abstract: Light-coloured and colour-fast infusible, insoluble condensation products are produced by condensing phenols and aldehydes in aqueous solution in presence of caustic or carbonated alkalis, and adding phosphates or borates or the corresponding acids to form such salts. In examples phenol and formaldehyde are condensed in presence of sodium carbonate and sodium phosphate or in the presence of sodium carbonate, boric acid being afterwards added, and the water expelled and the product hardened. Specifications 1921/08, 21566/08, 159,461, and 165,758 are referred to.  The Specification as open to inspection under Sect. 91 (3) (a) is not limited to the use of phenols and aldehydes in aqueous solution and describes adding weak acids, such as lactic acid or glacial acetic acid, to the product before hardening.  An example also shows the addition of borax to the initial condensation product produced in presence of sodium carbonate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1426964-A (GB)
Title: Disc transfer devices for petri dishes
IPC: C12M1/20
Filed: 1973-05-25
Abstract: 1426964 Discharging articles singularly AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 25 May 1973 [26 May 1972] 25287/73 Heading B8S [Also in Division C6] Sensitivity discs impregnated with antibiotics are delivered from storage tubes 5, Figs. 2, 3 and 5, on to the surface of nutrient agar medium 3 in a Petri dish 2 of square or other cross-section by first rotating the knob 9 of a transfer device 1 whereby a transfer plate 28 is displaced linearly to the right, by the winding of a traction cord, against the compression of springs 41, which movement transfers the lowest disc within each tube to the corresponding dispensing position 52, Fig. 3, and then a key 56, Fig. 2, is indexed into an axial opening and the knob 9 is then depressed whereby a platen 6 and plungers 7 loosely mounted therein descend against the compression of springs 53 pushing the discs through the ejection passageways in the base 11 of the device and on to the surface of the agar. The discs are made slightly larger than the passageways to prevent their free fall. The platen 6 is driven sufficiently far downwards for the discs to be applied against the agar by a force determined by the mass of the plunger 7 prior to its release. Premature return of the transfer plate is prevented in known manner with a retractable abutment means 42.
Patent GB-331422-A (GB)
Title: Improvements in boxes for cigarettes or other articles
IPC: A24F15/04
Filed: 1929-08-21
Abstract: 331,422. Gray, A. J. Aug. 21, 1929. Contents, delivering. - A box for cigarettes &c. has a vertical slide 10 slotted at 22 so that when the box is lifted the slide falls and brings openings 8, 22 into register so that a cigarette &c. falls into a tray 21. A sloping platform 2 ensures the feeding of the cigarettes &c. into the aperture 22.
Patent GB-1008319-A (GB)
Title: Process for the production of directly precipitated milori blue
Inventor: CREDO RENATE
IPC: C09C1/26
Filed: 1962-07-03
Abstract: Milori blue pigment is directly precipitated by treating, in the absence of zinc compounds, a simple ferrous salt with potassium ferrocyanide together with either a simple ferric salt or potassium ferricyanide.  The reaction may be carried out in dilute hydrochloric acid in the presence of surface active agents and softening agents, e.g. potassium stearate, dibutyl phthalate or castor oil.  The solution may be boiled after the reaction. Ferrous sulphated and ferric chloride are used in examples.
Patent GB-620057-A (GB)
Title: Liquid fuel burners
IPC: F23D5/00
Filed: 1946-08-26
Abstract: 620,057. Liquid-fuel burners. PETIT. P. L. F. J. Aug. 26, 1946, No. 25519. Convention date, Dec. 5, 1944. [Class 75(i)] In a liquid-fuel burner of the " invertedflame " type comprising a recessed vaporizing block 2, Fig. 1, or shallow tray 8, Fig. 3. arranged in air channels 1, 1a respectively, through which air is blown under pressure, a thin metal plate 5 is seated above the vaporizing recess 3 or pan 8 is provided with perforations and/or slots 6 to supply air to the vapour escaping between the plate and block or pan. A richly carburetted zone is thereby produced, the ignition of which produces a small blue flame which is sheltered and stabilized by proximity to the plate and which ensures continuous ignition of the main flame.
Patent GB-1010209-A (GB)
Title: Method and apparatus for making electrical circuits, circuit elements or optical devices
Inventor: BAKER CHARLES EUGENE
IPC: H01B1/00
Filed: 1962-07-04
Abstract: In a method of making electrical circuits, circuit elements or optical devices, a beam of ions is deflected over a substrate to deposit, or to react with the material of the substrate or with material, e.g. titanium, barium, strontium and lead simultaneously evaporated on to the substrate, to form a continuous layer in a pattern corresponding to the deflection pattern.  Conductive material may be transformed into insulating material under the ion bombardment. Ferromagnetic or ferroelectric materials may be bombarded by beams of oxygen ions to form oxides. In the mass spectrometer device shown, the ions are deflected over a semicircular path by the magnet 90 and then deflected over the substrate 100. In an alternative device the ions follow a linear path.  In an example Al is vapour deposited on a glass substrate, Ba, Sr or Pb are simultaneously evaporated with Ti and <PICT:1010209/C6-C7/1> bombarded with a beam of oxygen ions to form, e.g., BaTiO3 and a final conductive layer of Al is then vapour deposited.
Patent GB-1302222-A (GB)
IPC: B07C5/06
Filed: 1970-05-28
Abstract: 1302222 Endless conveyers SCHWEIZERISCHE INDUSTRIE GES 28 May 1970 [24 June 1969] 25616/70 Heading B8A [Also in Division G1] Articles, e.g. chocolate bars 2, on an endless conveyer belt 1, which exceed a given height 'h' abut a sensing plate 18 which is movable upwardly about arms 16, the upper arm is coupled to an arm 23 which is thereby moved from an abutting relation with a head 22 of a rod 19 slidably mounted in a block 6 and urged downwardly by a spring 27 such that a spiked head 21 carried thereby passes through the plate 18 and engages the article. The block 6 is mounted on rods 7, 8, respectively, connected to pivotable arms 9, 10 such that the plate 18 and the head 21 move over the conveyer at the speed of the conveyer and are then raised to deposit any spiked articles on to an endless conveyer 14 extending transversely of the conveyer 1. The articles are discharged by the action of one limb 26 of a bell-crank lever engaging a stop 28 which causes the other limb 25 to engage the head 22 and raise the spiked head 21 through the plate 18. The raising of the head 22 acts to reset the catch arm 23. Operation of the apparatus is controlled by the articles passing a photoelectric cell 4 or by the raising of an alignment stop 3, itself controlled by the cell 4. The spiked head may be replaced by a suction head or tongs.