baber/WOPTO huggingface dataset:
Patent GB-468692-A (GB)
Title: Improvements in and relating to conveyers
IPC: B07C5/36
Filed: 1936-01-06
Abstract: 468,692. Photo-electric control of sorting-apparatus. BLUMENTHAL, L. J., and FREEDMAN, P. Jan. 6, 1936, No. 423. [Class 40 (iii)] [Also in Groups XXX and XVI] In conveyers of the type in which objects are held to the moving surface by electrostatic attraction, the objects are removed therefrom selectively by means which include one or more photocells. The Figure shows an endless - belt conveyer 1 having metal studs or eyelets 8 to which an electrostatic charge is imparted by a roller 6 electrically connected to a source of potential 7. For removal of certain objects 2 for discharge into a receptacle 4, a photocell 10 located above the belts re-acts to the appearance of the objects 2 to control a source of potential 11 which charges a roller 9 and a fixed conductor 12 in a manner to neutralize the attraction between the belt and the object. The bending of the belt round the roller assists in the ejection of the objects 2. The photocell 10 may re-act to other objects 3 to increase the electrostatic attraction between them and the belt as they pass over the roller 9. The objects 3 may be shot into a receptacle 5 by removing all charges on the belt by an earthing means 15 and by passing the belt at this point round a roller 14. When the objects 2, 3 are of metal, the photocells control removing means which subject the objects to a magnetic field, unidirectional in the case of ferro-magnetic metal and alternating in other cases.
Patent GB-112938-A (GB)
Title: Improvements in or relating to Transformation of Polyphase into Practically Constant Direct Currents.
Inventor: ORSO MARIO CORBINO
IPC: H02M1/30
Filed: 1918-01-08
Abstract: 112,938. Corbino, O. M. Jan. 8, 1917, [Convention date]. Commutator switching-arrangements. - Polyphase currents are rectified by a rotary mercuryjet switch, which connects the phases successively to the neutral, and the pulses are smoothed by an inductance coil connected in series with the directcurrent circuit. As shown in Fig. 1, for rectifying three-phase currents, the switch A has six contact plates, three, d, c, f of which are connected to the phase leads 1, 2, 3, while the other three, a, b, c, are connected through the directcurrent load k to the neutral point l. If the threephase system does not include a neutral line, an artificial point is obtained by star-connected inductances. The double jet g is rotated by a synchronous motor and makes a half revolution during each period. The resultant current is intermittent and, in order to smooth the crests of the waves, an inductance o is connected in series with the direct current load k, and an electrolytic cell V is connected across the coil o and load k. This cell opposes the passage of current, from the switch A, in parallel with the load k, but assists the current-flow through the load k in the intervals between the wave crests. In a modified form of converting switch, only three contact plates are used and are connected to the threephase leads. The plates are spaced apart so that one of the two jets is in contact with the casing at any instant, and the casing is connected to the neutral point through the direct-current load. A few turns o<1> of the wire carrying intermittent current may be wound on the core of the inductance o, as shown in Fig. 4. The contact plates may be triangular or trapezoidal in shape, and may be raised or lowered to vary the period of contact. The contacts may be backed by insulating-material such as porcelain, and the backing may extend a little distance round the periphery. The three-phase supply may be connected to the jet apparatus through a transformer, and tappings may be taken to connect to the motor. In a modification, two vessels, each with a double jet and three contact plates, are employed. The jets are insulated from each other, but are mechanically connected at right-angles, and the directcurrent load is connected between the vessels.
Patent GB-919450-A (GB)
Title: Control of scaling in boilers and evaporators
Inventor: FIELDING BRIAN CROSBIE
IPC: C09K23/52
Filed: 1961-01-05
Abstract: 919,450. Preventing incrustation. IMPERIAL CHEMICAL INDUSTRIES Ltd. Dec. 18, 1961 [Jan. 5, 1961], No. 515/61. Class 123 (1). Scaling in boilers, evaporators &c., particularly those in which corrosion is inhibited by phosphate treatment, is prevented or reduced by adding to the feedwater a quantity of a water-soluble grafted polymer as described in Specification 871,192, the polymer being derived by the polymerisation of an ethylenically unsaturated monomer in the presence of a preformed polymeric substance, the latter consisting of a water-soluble organic compound having a molecular weight greater than 1000 and being capable of entering into chemical combination with the ethylenically unsaturated monomer under the conditions normally employed for the polymerisation of such monomers. Preferably grafted polymers derived from starch or starch ethers and acrylonitrile are used, the polymers being partly or completely hydrolysed with caustic soda to give the corresponding starchgrafted sodium polyacrylates. The preformed polymeric material may also be cellulose ethers, starch dextrins or polyvinyl alcohol whilst the monomer may be acrylamide, acrylic acid, methacrylic acid, methacrylonitrile or methacrylamide. The amount of polymeric material in the grafted polymer may be between 5 and 50% by weight. The amount of grafted polymer added to the feedwater, the addition being made with the sodium phosphate or other conditioning agent, is from 1 to 100 parts per million parts of water by weight.
Patent GB-346392-A (GB)
Title: Improved double acting internal combustion engine
IPC: F02B75/00
Filed: 1930-01-06
Abstract: 346,392. Two-stroke engines. LACAMBRA, V. O., 10, Calle Deu y Mata, Barcelona, Spain. Jan. 6, 1930, No. 516. Convention date, Jan. 4,1929. [Classes 7 (ii) and 7(vi).] A double - acting engine comprises a working piston 8 controlling two pairs of ports and a coaxial doubleacting pump 6 which supplies mixture to the working cylinder. The cylinders are air-cooled. Valves.-The inlet and delivery of the pump are controlled by ball valves 22, Fig. 2, comprising three superposed plates 17, 18, 19, the ball being guided by ribs on the central plate.
Patent GB-568061-A (GB)
Title: Improvements in heat exchange arrangements more especially for use with internal combustion engines
IPC: F02M35/02
Filed: 1943-01-21
Abstract: 568,061. Filters. VOKES, C. G. Jan. 21, 1943, No. 521/45. Divided out of 568,038, [Group XXVII]. [Class 46] [Also in Group XXVII] A combined heat-exchange and filter device adapted to be connected to the air inlet of an engine, comprises a casing 4 having an air inlet 5 and outlet 6 and enclosing a thin chamber 9 through which oil flows, the air being directed upwards between the chamber and the casing before descending to pass through a filter 1 surrounding the inner end of the outlet tube 6, as described in Specification 568,038: oil enters by a pipe 15 leading to the upper side of a filter 18, provided with a relief valve 20 which opens if pressure on the inlet side of the filter becomes excessive, and flows thence to the heat-exchange chamber 9. The filter may be star-shaped in plan.
Patent GB-1136060-A (GB)
Title: Preparation of actinide sols by amine extraction
IPC: B01J2/08
Filed: 1967-07-03
Abstract: 1,136,060. Actinide oxide sols. UNITED STATES ATOMIC ENERGY COMMISSION. 3 July, 1967 [31 Jan., 1967], No. 30543/67. Heading C1A. Actinide oxide sols are obtained from actinide nitrate solutions by (i) reducing the nitrate content to sub-stoichiometric with respect to the actinide(s), (ii) heating the resultant aqueous solution, (iii) contacting for at least 1 minute the aquasol formed with an amine dissolved in a water-immiscible organic solvent to remove more nitrate, (iv) separating the aqueous and organic phases. Stages (ii) and (iii) may be repeated. The starting solution should be less than 0À6 M in actinides and may contain Th(NO 3 ) 4 , with which uranyl or plutonium nitrate may be present the U : Th molar ratio may reach 2:1. Stage (i) is preferably carried out with an amine dissolved in a water-immiscible organic solvent and the resultant organic phase used for stage (iii): 1À2 to 1À5 mols of amine per mol of nitrate may be used. Heating in stage (ii) should be at or above 80 C., preferably for at least 6 minutes at or above 95 C. In stage (iii) hot sol may be contacted with room-temperature organic solution. The denitrated sol may be evaporated, dehydrated to form gelled spheres which may be dried and calcined to form oxide particles.
Patent GB-709917-A (GB)
Title: Improvements relating to electric switches
Inventor: WEIGHT REGINALD WILLIAM
IPC: G05G9/047
Filed: 1951-01-08
Abstract: 709,917. Snap-action switches. TRICO-FOLBERTH. Ltd. Jan. 8, 1952 [Jan. 8, 1951; June 27, 1951], Nos. 545/51 and 15271/51. Class 38(5) [Also in Groups XXXV and XXXVIII] The switch handle extends into a casing and co-operates with a pair of flexible contactcarrying strips which are fixed at each of their ends, pivoting of the handle causing flexing of one of the strips to close a circuit. In one arrangement, Fig. 1 the handle 4 is pivoted at 3 and has slots formed by lateral extensions 5 joined by rivets 6, the strips 7 located in said slots being normally curved as shown so as to hold the handle in its central "off" position. Each strip 7 carries contacts 13, 14 co-operating respectively with output contacts 17 and earthing contacts 15. Movement of the handle to either end position reverses the curvature of one strip to close one pair of contacts 14, 17, and increases the curvature of the other strip to close contacts 13, 15 (if not already closed). A lamp 21 is connected across the terminals 10 to which the upper ends of strips 7 are connected. In a second arrangement, Fig. 8, the handle has a universal mounting and cooperates with two pairs of strips 7 arranged at right-angles to each other. When the handle has been moved into any of its corresponding operative positions, e.g. the upper position, it may be moved in a direction at right angles to close another pair also, e.g. the left-hand pair, the slots in the handle being large enough to permit this without interfering with the initially-closed contacts. The switch has two indicator bulbs, one for each opposite pair of strips 7. The switches may be used for controlling direction indicators and/or head, side and rear lights (see Groups XXXV and XXXVIII).
Patent GB-1463273-A (GB)
Title: Fasteners
IPC: E04D1/34
Filed: 1975-01-07
Abstract: 1463273 Heading NATIONAL PLANT HIRE (PTY) Ltd 7 Jan 1975 [25 Jan 1974 25 Feb 1974] 629/75 Heading B3H [Also in Division F2] To form the head of a roofing nail with an annular recess 3 on its underside and a central protrusion 4 on its upper side, a bar 20 is gripped between two parts 21, 22 of a split die so that an end 23 projects above the die, and a punch 24 having a shaped recess 25 in its underside is brought down to deform the end 23 to form the head, the annular recess 3 being formed by an annular protrusion 27 on the die. The punch stops short of the die to leave a gap (26) (Fig. 6, not shown).
Patent GB-127525-A (GB)
Title: Improvements in Vapour Lighters.
Inventor: EVANS FREDERIC ALEXANDER ALLEN
IPC: F23Q2/02
Filed: 1919-01-11
Abstract: 127,525. Evans, F. A. A. Jan. 11, 1919. Pocket igniters, frictional.-In a pyrophoric igniter in which the sparks are generated in a chamber containing the wick, the friction wheel i extends through a slot in the top or side of the chamber. In one form, the igniter comprises two tubes a, b, Fig. 1, fitting one within the other so that the inner tube a can be rotated to cause apertures d in the two tubes a, b to register with one another, the movement of the tube a being limited by a pin b<1> and a notch a<1>. The striking-wheel i is mounted on a milled head c on the tube a. The space in the inner tube below a transverse diaphragm is filled with absorbent material into which the wick depends. The absorbent material is saturated by withdrawing the tube a and immersing its open end in petrol. In a second form, a packed reservoir a, Fig. 2, fits into an open-ended tube b having a lid n at its upper end, and has a lateral aperture so that the absorbent material can be saturated when the tube is removed. The striking-wheel i is carried by lugs on the tube b, and pyropboric material k is mounted in a transverse tube o on the tube b.
Patent GB-184747-A (GB)
Title: Improved carriers or carriages for revoluble bearings to be employed for the supporting of gasholders
IPC: F17B1/00
Filed: 1922-01-11
Abstract: 184,747. Broadhead, R. W. Jan. 11, 1922. Rectilinear-motion bearings. - The brackets b adjacent to the vertical or helical guide-rails a of a gas-holder are provided with spherical, cylindrical, ellipsoidal or like cavities d for the reception of axle-less ball or roller bearing members. The upper ends of the brackets are fitted with leather or like rubbing strips i to keep out water, snow, stones, &c.
Patent GB-829050-A (GB)
Title: Improvements relating to phosphatised hydroxy fatty acids or their esters, and emulsions and dispersions of the water-in-oil type
IPC: C07F9/10
Filed: 1958-01-09
Abstract: A non-ionogenic emulsifying and dispersing agent comprises as active constituent or one of the active constituents at least one of the compounds derived from a hydroxy fatty acid having 8 carbon atoms or more in the molecule or from esters of such acids in which the esterifying radical contains at least one hydroxyl group, by phosphatisation without the compound having been made soluble in water or alkali, the acid value derived from the phosphonic acid groups being less than the acid value corresponding to 1/3 of the contents of phosphoric acid so that at least a part of the phosphoric acid is fully esterified. The starting material may be castor oil fatty acid, or hydrogenated or partially hydrogenated castor oil fatty acid in the form of its esters or partial esters, e.g. with a polyhydroxy compound such as glycerol, diglycerol or polyglycerol. The raw material is phosphatised using a phosphatising agent which may be phosphoric acid, polyphosphoric acid or phosphoric acid anhydride, in an amount less than the amount corresponding to complete esterification of the hydroxyl groups of the raw material and the phosphatising process is continued until the acid value derived from the phosphoric acid groups is less than 1/3 of the phosphoric acid contents.  The properties of the product are influenced by the phosphatising temperature, the duration of the phosphatising treatment, by the pressure or vacuum used and by the use of an atmosphere of carbon dioxide or nitrogen.ALSO:A loaf-separating emulsion for bakery purposes is produced by emulsifying 60 parts of water with 38 parts of soya oil, 2 parts of an emulsifying agent obtained by phosphatizing castor oil with phosphorus pentoxide until at least part of the phosphoric acid introduced is fully etherified (see Group IV (b)).  The emulsifying agent is used for an emulsion of sugar, lard and water at 40 DEG  C., well-suited for bakery purposes, and for other bakery emulsions from palm oil, premier jus and water, with or without glucose.
Patent GB-844383-A (GB)
Title: Improved bi-coin prepayment mechanism for meters
Inventor: HARRISON SIDNEY
IPC: G07F15/02
Filed: 1957-01-10
Abstract: 844,383. Prepayment mechanism for meters. SUTHERLAND Ltd., A. G. Jan. 3, 1958 [Jan. 10, 1957], No. 956/57. Class 27 A bi-coin prepayment mechanism for a gas, electricity or other meter has two quantity wheels 13, 14 connected through co-axial spindles 15, 16 to crown wheels 17, 18 in constant mesh with a common spur gear 19 connected to the supply controlling device and the quantity wheel 14 corresponding, for example, to a shilling is connected through a one-way clutch to its crown wheel 16 so that, when only the quantity wheel 13 corresponding to a coin of lower denomination, for example, a sixpence is turned, the crown wheel 16 is not also turned by the common spur gear 19. A single striker plate 12 is moved to engage the quantity wheel 13 by a sixpence and is moved further by a shilling to engage the quantity wheel 14. The one-way clutch comprises a disc 20 fitting closely within an opening in the shilling wheel 14 and having three wedge-like recesses each containing a roller 22 and a spring. The disc 20 is confined between side plates 24, 25 fast with the wheel 14 and readily compressible means 28 is fitted between the sixpence wheel 13 and the side plate 24.
Patent GB-1493011-A (GB)
Title: Automatic interior environment control
IPC: G05D23/19
Filed: 1975-01-09
Abstract: 1493011 Sunlight sensitive control W L ENTER 9 Jan 1975 [9 Jan 1974] 966/75 Heading G1A [Also in Division G3] In a temperature control system (see Division G3), the control is varied by means sensitive to sunlight. The output signals 74 and 86 effectively monitor the state of charge of respective rechargeable dry cells 71 and 82. These are Ni-Cd cells rated at 1.2 volts and the photo-electric cells 62- 66 and 78 each have a voltage when activated of 0.45 volts. Hence, in daylight, cell 71 is constantly on charge and effectively stores an integrated sunlight signal. In the associated control system, this integrated signal modifies the ensuing nocturnal temperature set point. Cell 82, on the other hand, is never charged to its full voltage: the Specification indicates that output 86 is proportional to the average amount of sunlight sensed by photo-cell 78 over the last few minutes.
Patent GB-424029-A (GB)
Title: Improvements in or relating to the screens of sifting, bolting and like apparatus
IPC: B07B1/46
Filed: 1934-01-10
Abstract: 424,029. Sifting-apparatus. PASCALL, F., 156, Charing Cross Road, London. Jan. 10, 1934, No. 978. [Class 117] The screens of sifting, bolting, &c. apparatus are mounted in frames comprising a number of sections which are resiliently connected together to enable them to be easily sprung into position on the apparatus to which they are fitted. In the embodiment shown in Figs. 1 and 3, a curved frame consists of two end members a, b, each comprising two bars c, d, side members i and stay members k. The edges of the screen cloth are clamped between the members c, d, by screws e, and the side bars i may be also formed of superposed bars clamped over the sides of the cloth by screws j. The members a, b, are divided at their centre as shown at f, and the sections of one or both are connected by plate springs g secured by rivets h.
Patent GB-191000560-A (GB)
IPC: A47B43/00
Abstract: 560. Anderson, A. E., and "X " Chair Patents Co. Jan. 8. Rack stands.-A folding shelf or rack consists of a back member to which folding side members are hinged, and removable shelves, which may be hinged to the back, engaging and forming stays for the side members. The back consists of uprights A, Figs. 1 and 2, cross-braced at A<1>, and joined by rods A<3>. Hinged to the back at A<2> are side members comprising crossbraced uprights B connected by rods B<2>, The shelves, formed of laths C fixed on bars C', a're pivoted on the rods A<3>, or on studs projecting from the uprights A, so that the whole may fold to the position shown dotted in Fig. 1. Hooks C<2>, pivoted at C<3>, engage the rods B<2>; and the uprights B are kept apart by the front lath C. In a modification, the shelves are separate, the laths being fixed to transverse bars which rest on the rods B<2>, and are notched to fit the uprights B. In a boot rack, Fig. 8, the laths are replaced by two rods, fitted into the transverse bars. Fig. 9 shows a bottle rack in which rods C<7> are fixed to bars C<6> provided with notches C<8> where they rest on the rods B<2>. Instead of the open-work structure shown, solid pieces, fitted with hooks and eyes or other catches, may be used.
Patent GB-191000569-A (GB)
IPC: B65H59/04
Abstract: 1910569. Boult, A. J., [Leeson, J. R.]. Jan. 8. Yarns, warping &c.- The unwinding of yarn from spools, warp beams, or other supply holders is regulated by means which are controlled by the tension of the yarn &c., and are arranged so as to impart a rotative impulse ahead to, and to exercise: a braking effect upon; the supply holder according to the tension of the material being unwound. The yarns pass over a roll or bar on the end of an arm 2, Fig. 2, which, when deflected by the increased tension in the yarn, moves around its pivot and so operates a strap t, which bears on the hub of the supply holder and gives a rotative impulse thereto; when the arm moves back again under the action of a spring arm 7, after the tension is eased, the strap t acts as a brake and so ensures an even delivery. In order to give a more positive impulse when a relatively heavy spool is used, the arm 2 may carry, in addition, a spring ratchet bar 29, Fig. 4, which acts on a wheel on the hub of the supply holder. The spool may be supported on a stationary spindle and actuated by a friction element carried on a metal strap connected with the arm 2. The arms M are provided with pockets m<4>, to receive the supply holder, and curved guiding-flanges leading thereto.
Patent HK-50577-A (HK)
Title: Spray nozzle
IPC: E03C1/08
Filed: 1977-09-29
Abstract: 1468961 Spray nozzle TELEDYNE INDUSTRIES Inc 22 Feb 1974 [4 Sept 1973] 8268/74 Heading B2F A spray nozzle includes a hollow housing having an inlet and a first group of spray discharge outlets 44; means in the housing defining a first passage in the housing extending from the inlet to the first group of discharge outlets: a valve member 54 mounted in a space affording part of the first flow passage operable by water flowing through the first flow passage to intermittently interrupt flow from the inlet to each outlet of the first group of outlets thereby to cause a pulsating spray to be discharged therefrom; the housing having a second group of spray discharge outlets 34 and means in the housing extending from the inlet to the second group of discharge outlets, the second flow passage bypassing the valve member and communicating directly with the second group of outlets whereby water flowing through the second flow passage is discharged from the second group of outlets in continuous non-pulsating streams. The valve member 54 comprises an annular turbine unit which is rotated by fluid flow through tangentially-directed passages 50 and thus interrupts the flow to units of the first group of outlets 44 as a flat plate portion 56 of the valve member moves over surface 42 containing outlets 44. The second flow passage is formed by channels 48, which bypass the valve member 54, and grooves 34 formed in lower housing 20, which are sealed to form orifices by a washer 36 fittting inside housing 20. Water may be directed through these two passages and through a third passage, which passes through the centre of the valve member without substantially affecting its rate of rotation, by a flow-directing plate 62 which has arcuate openings corresponding with the three flow passages. Flow through the passages is controlled by an annular shutter plate 84, moved by the user of the device by means of a control ring 112 and a gear mechanism, and which has blades for closing the openings allowing continuous flow alone, a mixture of continuous and pulsating flow or pulsating flow alone. Reference has been directed by the comptroller to Specification 1430123.
Patent HU-T45266-A (HU)
Title: Process for producing o-alkyl-s,s-dialkyl-phosphorodithioates
Inventor: BROCHARD JEAN-MICHEL
IPC: C07F9/17
Filed: 1987-02-11
Abstract: The O-alkyl S,S-dialkylphosphorodithioates, e.g., ethoprophos, are facilely prepared, in improved yields and having great purity, by reacting an alkylphosphate dihalogenide, e.g., a dichloride, with a 1.5 to 8 mol excess of a thiol, in the presence of a 0.1 to 4 mol excess of an acid acceptor, with both molar excesses being per mole of said dihalogenide.