baber/WOPTO huggingface dataset:
Patent GB-894856-A (GB)
Title: Improvements relating to the production of composite aluminium bodies
IPC: B22F7/08
Filed: 1959-05-28
Abstract: A composite body of cast or wrought aluminium and sintered aluminium is produced by cold pressing flaky aluminium or aluminium alloys on to a wrought or cast aluminium body and then hot pressing to sinter and bond the aluminium powder.  The aluminium flake has an Al2 O3 content of at least 6% and a grease content of less than 3%.  The surface of the cast body is first roughened and the aluminium is cold compacted on to the surface at 1 to 4 tons/sq. cm.  Hot pressing is effected at 5 to 8 tons/sq. cm. followed by forging.  The forging and hot pressing may also be effected in one step.  Specification 698,789 is referred to.
Patent GB-219171-A (GB)
Title: Improvements in pneumatic mattresses and the like
IPC: A47C27/08
Filed: 1923-07-16
Abstract: 219,171. Black, S. July 16, 1923. Mattresses.-A pneumatic or like mattress is provided with a number of relatively large openings 2, arranged as shown in Fig. 1, the edges of the sheets forming the mattress body being secured together around the holes so that large and deep depressions in the general surface of the mattress are formed. A reinforcing ring 2<x> may be provided around each hole 2.
Patent GB-186721-A (GB)
Title: Improvements in or connected with motive power units for lawn mowers
IPC: A01D34/47
Filed: 1921-07-06
Abstract: 186,721. Clare, H. J. Newton-, and Stirling, E. M., (trading as Newling Manufacturing Co.). July 6, 1921. Lawn-mowers. - A motor power-unit to assist in the propulsion of a manuallyguided lawn-mower drives the ground wheels or roller through a friction wheel in contact therewith and the rotating knife-shaft through chain and sprocket gearing. The motor unit is supported by a frame a, connected to the machine frame b at the front by a bracket c and at the back, adjustably, but rigidly, through a plate e which may be swung about the pivot f and the pin-and-slot connection g, h for adjustment, being subsequently locked in the adjusted position. The motor drives a friction wheel B, engaging with the ground roller G as shown, the wheel B carrying a spur-wheel C gearing with a spur-wheel D to drive a sprocket-wheel F for the transmission of the drive through a chain F<1> to a sprocket-wheel F<2> mounted on the knifeshaft. To put the friction wheel out of engagement with the roller G, the machine-frame b is raised about a roller L as pivot by a lever H pivoted at J and provided with two notches for engagement with the roller axle M, one of which o, is farther from the point J than is the other o<1>. The raising of the frame b raises the wheel B from the roller G, the knife blades continuing to revolve as long as the motor is running.
Patent GB-151413-A (GB)
Title: Improvements in appliances applicable to hay-makers, rakes, and like machines, for cutting bracken or thistles, docks and other weeds
IPC: A01D78/02
Filed: 1919-07-24
Abstract: 151,413. Cooper, W. J. July 24, 1919. Weed-cutting machines; haymaking. -Blades for cutting thistles, bracken, &c. are attached to the tine bars of haymakers, side-delivery rakes, and other implements having rotary drums &c., in such a way as to occupy positions beyond the points of the tines. Fig. 2 shows a blade e carried by rods f adjustably connected to a tine bar c. Fig. 5 shows a slotted blade e carried by two-part clips i, j clamped on the bar c by means of bolts k. Fig. 7 shows the blades e carried by rods f adjustably connected to half-hoops l which are passed around the tine drum and are connected together by bolts m. The blades may be plain or serrated. According to the Provisional Specification, bars carrying the blades may be substituted for the tine bars.
Patent GB-1174660-A (GB)
Title: Improvements in Bearings for High-Speed Machines
Inventor: ARMSTRONG GEORGE JEFFREY
IPC: F16C17/18
Filed: 1967-04-21
Abstract: 1,174,660. Bearings. D. NAPIER & SON, Ltd. 22 April, 1968 [21 April, 1967], No. 18446/67. Heading F2A. A rotary fluid bearing for a turbo-blower comprises a floating sleeve 8 interposed between the shaft 2 and the bush 4 and provided with one or more external grooves (20), (Fig. 2, not shown), inclined to its axis, such that pressurized fluid passing through the grooves via the passages 14, 16, 18 causes the sleeve to rotate. A thrust bearing 10, 12 may be incorporated.
Patent GB-666683-A (GB)
Title: Improvements in or relating to laminated plastic frame-like structures and the production thereof
IPC: B32B27/00
Filed: 1947-07-11
Abstract: 666,683. Compound sheet materials. ST. REGIS PAPER CO. July 11, 1947 [July 13, 1945], No. 18473/47. Class 140. [Also in Group XIII] A laminated frame comprises superposed layers of fibrous material impregnated with and consolidated by a thermoset synthetic resin, the layers being formed from strips 12 and angle-pieces 8-11, Figs. 4-6, cut from larger sheets of resin-impregnated material to minimize waste, and so arranged that the butt joints formed in each layer by the strips and angle-pieces are staggered relatively to the joints in adjacent layers. The limbs of the angle-pieces may form an obtuse angle, Fig. 10, the resulting frame being then bevelled. The surface layers may be continuous, unbroken, open rectangles to eliminate the appearance of joints in the frame. The layers may be temporarily held together before consolidation by stapling around the edges, which are trimmed off during the consolidation or in a subsequent operation. The sheet material may be paper, glass or asbestos mat or cloth, impregnated with a phenol-aldehyde resin, which may be modified with aniline, or a urea-, thiourea-, aniline-, or melamine-aldehyde resin or alkyd resin either alone or as modifiers of phenolaldehyde resins.
Patent GB-1425585-A (GB)
Title: Sharpening device
Inventor: KIDD ARCHIBALD WATSON
IPC: A01D75/08
Filed: 1972-04-25
Abstract: 1425585 Sharpening device ARCHIE KIDD Ltd 17 April 1973 [25 April 1972] 18523/73 Divided out of 1425583 Heading A4C A sharpening device for a machine such as a forage harvester which uses cylinder cutters, comprises a pair of end-plates 100, joined by bars 102, 104 and pivotally mounted on a screwthreaded shaft 106 turnable by handle 112 mounted on its end. A screw threaded carrier 108 supported between shafts 106, 102 carries a carborundum sharpening stone 110, and can slide along shaft 102 when traversed along the screw thread of shaft 106 by handle 112. The vertical position of bar 104, and hence the whole assembly, can be regulated by handle 120 mounted on a screwed rod 114 which is pivotally mounted at 118 on bar 104 and passes through a nut 116 carried on brackets 117 on the machine casing. In use, the store is brought into contact with blades 42, by adjustment of handle 120, and handle 112 turned to traverse the stone across the blades, after which it is re-adjusted and re-traversed until the desired sharpening has occurred. The trailing arrangement whereby the blade 42 passes shaft 106 before contacting store 110 is said to reduce chatter during sharpening.
Patent GB-908978-A (GB)
Title: A tube bending machine having an automatic pushing-off device
IPC: B21D7/16
Filed: 1960-05-25
Abstract: 908,978. Bending tubes. HILGERS MASCHINEN - UND APPARATE - BAUANSTALT. May 25, 1960 [May 29, 1959], No. 18532/60. Class 83 (4). A tube-bending machine, in which a tube is bent around a rotated pattern while the unbent part is supported internally by a mandrel and which has a device acting parallel to the mandrel axis in order to push the workpiece off the mandrel after the bending operations are completed, is characterized in that the pushing-off device comprises a gripper by which the workpiece is engaged and clamped rigidly at its bent-over portion near the bending pattern. A tube 17 bent around a pattern 10, its straight unbent portion 18 being supported internally by a mandrel, is removed from the mandrel and pattern by a gripper head 13 moved parallel to the mandrel axis by a piston 19 in a cylinder 23. The head 13 is pivotable about a pin 35, between adjustable limits, relative to a forked member 26, a tubular extension 27 of which fits over the rod 20 of the piston 19. A spring 30 urges the member 26 outwardly an extent limited by a slot 28 in the piston-rod 20 engaged by a pin 29. Abutments 31 adjustable on a guide rod 22 carried by the piston-rod 20 engage switches 33, 331 to switch off the drive to the piston 19. The gripper head 13 comprises a central part 36 and two clamping jaws 21, for two tubes 47 bent simultaneously, pivoted thereto at 37 and rocked by hydraulic or pneumatic piston means 38, 39, or by magnets. The cylinder 23 pivots relative to the machine frame on a shaft 52.
Patent GB-352690-A (GB)
Title: Improvements in the bleaching of textile materials of vegetable origin
IPC: D06L4/10
Filed: 1930-06-18
Abstract: Yarns, fibres, and fabrics of vegetable origin are bleached by a pressure boil with alkali followed by an open boil with hydrogen peroxide.  Both operations are performed in an iron kier the internal surface of which has been rendered resistant to alkali by a coating of a cementitious composition containing magnesia.  The arrangement is employed to prevent decomposition of the hydrogen peroxide by the surface of the kier.  Specification 350,726 is referred to.
Patent GB-279541-A (GB)
Title: Improvements in valves
IPC: F16K15/12
Filed: 1926-07-26
Abstract: 279,541. Richardson, M. F. July 26, 1926. Check lift valves.- A pump valve comprises a ported seat member 1 and a sheetmetal valve member having an annular arched ridge 5 intermediate plane surfaces with upturned peripheral edges 6, the highest point of the ridge coinciding with the centre line of the port openings. A sheet-metal valve stop comprising a convex portion 7 with a lateral lip 13 concentric with the highest portion of the ridge is secured by a nut 12 on a shoulder 9 on the fixed guide pin 2. A loading spring 15 is arranged close in to the guide pin so that when the valve is open the spring is enclosed in the cavity formed by the valve member and stop plate which cavity also acts as a cushioning chamber. Also, when the valve is open the stop and arched ridge jointly form an uninterrupted receding surface, so reducing the head resistance of the valve.
Patent GB-318695-A (GB)
Title: Improvements in and relating to furnace walls
IPC: F23M5/08
Filed: 1928-06-27
Abstract: 318,695. Thurston, A. P., (Fuller Lehigh Co.). June 27, 1928. Tiles for furnace walls; facing-tiles.- Furnace walls comprising water tubes and interposed tiles have the tiles 6 formed with wings 8 to fit against the tubes 5 against which they are secured by clamps 10 having diverging edges to engage with the tiles. The clamps are pressed against the tiles by nuts 14 on bolts 12 welded to the tubes. The tiles have a metre back faced with refractory material on the furnace side.
Patent GB-232472-A (GB)
Title: Improvements in means for the reduction of skin resistance of ships' or vessels' hulls
IPC: B63B1/38
Filed: 1924-08-06
Abstract: 232,472. Heppell, W. J. Aug. 6,1924. Resistance to propulsion, reducing.-In an arrangement for reducing the resistance to propulsion by supplying compressed air to the bottom of the hull. Air from a compressor is supplied to an inclined bend f, Fig. 1, located forward of the collision bulkhead m, the bend being associated with a fitting comprising an air control valve b operated by a rod c, and a non-return valve d located adjacent to the discharge bend d. In a modification, the rearwardly-directed distribution chamber g, Fig. 2, is secured by an intercostal plate. Lateral escape of the compressed air is prevented by bilge keels l, Fig. 5, and supplementary bilge keels with inwardly-inclined extensions j, p may be fitted.
Patent GB-498391-A (GB)
Title: Improvements in or relating to spring units
IPC: B60G11/15
Filed: 1937-07-05
Abstract: 498,391. Vehicle suspensions ; shockabsorbers. RINGFEDER GES. July 5, 1937, No. 18674. Convention date, July 4, 1936. [Classes 108 (ii) and 108 (iii)] A spring or shockabsorbing device for use in an aircraft or a vehicle suspension comprises members adapted to be connected respectively to the chassis or the like and a road-wheel axle or the like, a housing or part of a housing being secured to one member and the other member being arranged to bear on one end of at least one helical or spiral spring wire which is closely surrounded by the housing, the other end of the wire being prevented from moving angularly relatively to the housing. On relative movement of the members the wire tends to unwind against the internal wall of the housing and is compressed tangentially. As shown in Fig. 3, the spring or shock-absorbing unit proper comprises a pair of intercoiled spring wires m, n adapted under the action of tangential end-forces P to be compressed within a cylindrical housing q which may be expandable radially outwards. In order to stress the springs equally throughout their length the cross-section may be decreased towards the centre of the spring proportionately with the otherwise decrease in the amount of stress. The housing also may vary in thickness. The housing may be divided into a number of rings, as shown in Fig. 10, in which also one or two end coils of the springs m, n are shown extending into sleeves q<1> which act as force-transmission members to stress the springs through the friction between the end coils and the sleeves. Fig. 7 shows another construction of unit in which springs r, s intercoiled in flat spirals are inserted between and adapted to be stressed by relative rotation of a shouldered sleeve u fixed to a shaft t<1> and an internallyshouldered housing z fixed to a second shaft. In a modification the housing has internal spiral ribs on which the springs bear. Fig. 11 shows the invention embodied in an independent wheel suspension comprising a wheel-supporting arm 1, suspended by members 12, 15 from a bracket 13, and a part-housing 10 fixed to the chassis, a portion of the arm being shaped to form a part-housing 3 enclosing end coils of the springs 4, 5 the major portions of which are engaged by rings 6, 7, 8, 9 completing the housing, and the other end coils of which are enclosed by the part 10. Instead of the arm, Fig. 11, the units described may be stressed by an inclined plane, screw means, or hydraulic means. The Specification also contains some theoretical discussion illustrated by graphs. Specification 423,278, [Group XXIV], is referred to.
Patent GB-1146049-A (GB)
Title: Selective herbicides and/or defoliants
IPC: C07C233/12
Filed: 1966-04-28
Abstract: 1,146,049. Herbicides containing trifluoromethylanilides. H. SCHWARTZ. 28 April, 1966 [29 April, 1965; 17 March, 1966], No. 18697/66. Addition to 1059468. Heading ASE. A herbicidal and/or defoliant composition comprises (1) at least one trifluoromethylanilide having the formula wherein X is a halogen atom or a nitro, lower alkoxy, -NH 2  or mono- or di-lower alkyl amino radical, the term "lower" signifying having 1-7 carbon atoms, m is 1 or 2 when R is a hydrogen atom, an aliphatic or halogenated aliphatic radical having 1-10 carbon atoms in which the longest carbon chain is 6 carbon atoms, an aralkyl radical in which the alkyl chain has 1-6 carbon atoms or an aryl radical, and m is 0, 1 or 2 when R is a cycloaliphatic radical having 3-8 carbon atoms and (2) a major amount of an inert carrier, which can be a common solvent only when R is a cycloaliphatic radical. In the above formula, the radical R, when it is an aryl or aralkyl radical, may carry one or more halogen atoms or lower alkyl .radicals as substituents. The composition may take the form of a solution of the trifluoromethylanilide in an organic solvent or of a dusting or scattering preparation comprising a solid carrier (e.g. talcum, kaolin, bentonite, calcium carbonate, calcium phosphate, carbon, cork meal, wood meal or other vegetable material). Aqueous preparations can be prepared by the addition of water to emulsion concentrates, pastes or wettable powders. The composition may contain substances which improve its dispersion, adhesiveness, resistance to rain or penetration capacity. As such substances, there may be mentioned fatty acids, resins, glue, casein and alginates. The trifluoromethylanilide herbicidal compositions may also contain substances which supply herbicidal oxidizing ions thereby producing synergistic herbicidal compositions. Examples of such substances are dipyridylium salts, alkali metal and alkaline earth metal nitrates and herbicidal arsenical compounds (e.g. mono-alkanearsonic acids and lower dialkanearsinic acids and their alkali metal, alkaline earth metal and amine salts).
Patent GB-800651-A (GB)
Title: Diphthalides
IPC: C07D307/87
Filed: 1957-06-13
Abstract: The invention comprises compounds of the general formula I: <FORM:0800651/IV (b)/1> where R is hydrogen or an alkyl, aryl or alkaryl radical and n is 2 to 6.  Preferred alkyl groups are those containing 1 to 5 carbon atoms, aryl radicals include substituted phenyl systems such as p-nitrophenyl, p-tolyl and m-chlorophenyl, alkaryl radicals include benzyl, 2-phenyl-ethyl, o-hydroxybenzyl and m-nitrobenzyl. The compounds are prepared by reacting a diamine II with phthalaldehydic acid III at temperatures in the range 20-100 DEG C., up to 150 DEG  C. for secondary amines, preferably in the presence of a solvent such as acetone, benzene, butanone, water or alcohol: <FORM:0800651/IV (b)/2> <FORM:0800651/IV (b)/3> I.R. spectroscopy indicates that phthalaldehydic acid and the diphthalide product contain the phthalide ring system and that the acid has the structure 3-hydroxy-phthalide, III.  The water formed in the reaction is removed by distillation under reduced pressure or preferably as an azeotrope, e.g. with benzene.  In examples: (i) 3 : 31-(ethylene bis-(2-hydroxybenzylimino)) diphthalide is prepared from a  : a 1-ethylene di-imino-di-o-cresol and phthalaldehydic acid in benzene solution.  This compound inhibits the growth of Staphylococcus aureus; (ii) 3 : 31-(ethylene bis-(benzylimino)) diphthalide is prepared from N : N1-dibenzylethylenediamine and phthalaldehydic acid in acetone solution; (iii) 3 : 31-(ethylene bis-(butylimino)) diphthalide is prepared from N : N1-dibutylethylenediamine and phthalaldehydic acid in acetone solution.  This compound inhibits the growth of salmonella typhosa; (iv) 3 : 31-(ethylene bis-(phenylimino)) diphthalide is prepared from N : N1-diphenylethylenediamine and phthalaldehydic acid in acetone solution.  3 : 31-(ethylene bis-(3-nitrophenylimino)) diphthalide, 3 : 31-(ethylenebis - (4 - ethylphenylimino)) diphthalide, 3 : 31-ethylene bis - (n - pentylimino)) diphthalide, 3 : 31 - (ethylene bis - (methylimino)) diphthalide, 3 : 31 - (ethylenediimino) diphthalide and 3 : 31 - (hexamethylenediimino) diphthalide may be prepared in a similar way from the corresponding diamine and phthalaldehydic acid.  Specification 779,981 is referred to.
Patent GB-531097-A (GB)
Title: Improvements relating to alternating current rectifier apparatus of the dry surface contact type
IPC: H01L25/07
Filed: 1939-06-27
Abstract: 531,097. Asymmetrically-conducting resistances. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., CUBITT, R. H., and THOMPSON, L. E. June 27, 1939. [Class 37] A cooling plate, fitted between rectifier elements in an assembly, is also shaped to act as spacers. Thus, a cooling fin may be cast with a central boss or, as shown, a boss 2 may be pressed out of a thin sheet. In this case the hole 3 for the assembling rod may be dished inwardly. In a further modification, a series of bosses are pressed out around the central hole.
Patent GB-1313397-A (GB)
Title: Camera flash devices
IPC: H05B41/32
Filed: 1970-04-20
Abstract: 1313397 Flash lamp circuit arrangements CANON KK 20 April 1970 [18 April 1969 6 June 1969 20 June 1969 (2)] 18752/70 Heading H2H Flash apparatus for a camera comprises a capacitor, chargeable from a power supply and operative to supply a flash discharge lamp for flash photography, means being provided to sense the charge on the capacitor and to produce a signal which is indicative of the required lens aperture and simultaneously to set the aperture. A capacitor 11 is charged when a switch 67 is closed by a battery 66 by way of an oscillator P including a transformer 78 and a transistor 65. The capacitor 11 discharges into a flashdischarge lamp 12 when triggered by a circuit F which is under the control of a flash synchronizing switch 77 situated in an " electric eye " circuit E on a camera. The trigger circuit comprises a trigger transformer 57 and a capacitor 59 which is charged from the transformer 78 together with the capacitor 11. The voltage across the capacitor 11 is sensed by means of a potentiometer 60 to provide a signal which is applied to a meter 2 by way of a transistor 25, the meter being calibrated in stop numbers indicating camera apertures and, furthermore, the movement of the meter pointer automatically sets the required camera aperture. Thus the aperture is set dependent upon the charge on the capacitor 11, the focus and film speed being introduced by means of variable resistors 36, 35 respectively. When it is desired to operate the flash apparatus the switch 77 is closed which causes capacitor 59 to discharge into transformer 57 thereby igniting the lamp 12 by the discharge of capacitor 11. With the switch 75 open the circuit E operates as a normal exposure meter. A neon lamp 24 is provided to indicate when the capacitor 11 is charged sufficiently to flash the lamp 12.
Patent GB-1469890-A (GB)
Title: Rotary tablet press
IPC: F16L11/08
Filed: 1975-05-05
Abstract: 1469890 Rotary tablet presses KILIAN & CO GmbH 5 May 1975 [21 May 1974] 18781/75 Heading B5A A rotary tablet press having a plurality of moulds carried by a rotatable mould carrier, and reciprocally movable top and bottom rams 13, 14, Fig. 3, associated with each mould has dustdeflecting means 18 provided on each of the bottom rams 14, the deflecting means each having a deflecting surface 28 sloping downwardly in the radially outward direction. The upper rams are provided with dust-collecting cups 17, Fig. 3. Each dust-deflecting means 18 has edge walls 26 which abut the walls of adjacent deflecting means so as to form a substantially closed deflecting ring, Fig. 4.
Patent GB-613364-A (GB)
Title: A pneumatic device suitable for cleaning and handling articles
IPC: A47L5/18
Filed: 1946-06-24
Abstract: 613,364. Suction cleaners. WARD, T. H. June 24, 1946, No. 18823. [Classes 8 (i) and 71] In a suction cleaner comprising a tubular suction nozzle a and an external compressed air supply conduit e connected to its operative extremity to form an injector, the end of the conduit a is cut obliquely at a<1> and the conduit e is connected to or placed over a slot e<2> in the tip of the nozzle and has an integral upturned tongue e<3> to direct the air blast up the nozzle a. The section is regulated by a compressed air valve b, and to the end of the suction conduit a may be fitted an adapter comprising an elongated circular or fanshaped opening fitted with brushes. A dust - collecting bag f may be replaced by a coned metal gauze to retain nails or the like lifted from a sack, and which nails may gravitate to a tray on closing the valve b.
Patent GB-1191331-A (GB)
Title: Improvements in Proximity Detectors
Inventor: RHODES WILLIAM EMERSON
IPC: H03K17/955
Filed: 1967-04-24
Abstract: 1,191,331. Proximity switches. ROBERT SHAW CONTROLS CO. April 24, 1967 [May 23, 1966], No.18823/67. Heading G1N. In a capacitative proximity detector having a first sensing capacitor plate forming part of the instrument housing, a number of sensor plates on conducting rods of different lengths may be "plugged" into a bore in the first plate to extend the range of use of the instrument.