baber/WOPTO huggingface dataset:
Patent GB-1050349-A (GB)
IPC: E04C5/08
Abstract: 1,050,349. Prestressing concrete. ANGLIAN BUILDING PRODUCTS Ltd. July 28, 1964 [Aug. 14, 1963], No. 32088/63. Heading E1W. Prestressing wires which have been tensioned initially when horizontal, are deflected from the horizontal before the concrete is cast around them to form, e.g. beams, by a combination of separator frames 7 and jacking frames 2. As shown, in the "long-line" method of casting beams, upper and lower sets, 1A and 1, of wires pass through channel members at the top and bottom, respectively, of a frame 7 arranged centrally of each beam and are forced together between the beams by channel-sectioned members 4A and 4, the member 4A being screwed down towards the member 4 to increase the tension in the wires, which are located laterally by plates 19 welded to the members 4 and 4A. A lower tube 9 on each frame 7 is cast into the beam, the rest of the frame being removed. More than one frame 7 may be used, to produce a wire curve approximately to a catenary. 'Both sets of wires 1 and 1A may be cast into different beams, and the wires may be jacked apart from their initial horizontal position, instead of being jacked together. Slotted stops ends are used for each beam, to allow the wires to be deflected vertically.
Patent GB-1050858-A (GB)
IPC: B29B13/00
Abstract: 1,050,858. Methods of exterminating insects. W. R. GRACE & CO. July 10, 1964 [July 12, 1963], No. 28637/64. Heading A5E. A method of exterminating insects comprises exposing the insects, i.e. by spraying or otherwise contacting the insects, or by applying to a locus liable to be frequented by the insects, to a mixture comprising polyoxymethylene fibres of length 50 microns or less and having a length to diameter ratio greater than 10:1, the polymer constituting the fibres being produced by polymerisation initiated by irradiation, and at least one other solid finely divided insecticidal material, e.g. a silica aerogel or a fluoridated silica.
Patent GB-1053565-A (GB)
IPC: B65G33/00
Abstract: 1,053,565. Plastic screw conveyer. UNITED STATES RUBBER CO. July 26, 1965 [July 30, 1964], No. 31691/65. Heading B8A. Plastic cylinder 10 formed on a steel rod 12 is provided with a groove 11 and into the groove is threaded the plastic flight 13 which flight is secured in the groove by heating to form the screw conveyer shown. The screw conveyer may be made in sections.
Patent GB-1054204-A (GB)
IPC: G05B19/23
Abstract: 1,054,204. Programmed control of machine tools. VYZKUMNY USTAV MATEMATICKYCH STROJU. Nov.18, 1964 [June 17, 1964], No. 46936/64. Heading G3N. In a programme control system for a machine tool sequential blocks of information are read from a punched tape by a reader 2, comprising sections 211-215 and a programme stepping device 24. The axis information from the section 211 is fed to a circuit 16 to select a measuring device 12 and a block 32 of relay unit 3 determining motor clutch selection. The measurement impulses from the device 12 are fed through a relay block 33 to a circuit 13 which discriminates the movement of the working tool into effective positive and negative impulses. The effective negative impulses, due to sudden stress in the worked material or the machine, are compensated out by subtracting them from the positive impulses in a guarding circuit 14 consisting of undirectional registers 141, 142. The output of circuit 14 is fed to a gate 8 controlled in dependence on the nature of the programmed correction. For zero correction the gate 8, through the upper output, passes the impulses from the guarding circuit directly to a counter 5 in which the displacement data from the section 213 of the reader 2 has been stored. For a positive correction the gate 8, through the lower output, passes the impulses from the guarding circuit to a correction counter 6 in which the desired correction has been set. When the counter 6 is filled a stop signal is fed to the gate 8 to switch it to the upper output and apply the further impulses from the guarding circuit to the counter 5. For a negative correction, a clock pulse generator 15 initially through a middle output of the gate 8, feeds both the counters 5, 6 until the counter 6 is filled when a stop signal is fed to the gate 8 to transfer the input to the guarding circuit 14. Correction is also carried out by modification of the initial position setting by the radius of the tool. Since only half the correction value is to be effected from the counter 6 the impulses from the guarding circuit 14 are doubled in a circuit 9 feeding the gate 8. The tool speed is controlled, through a relay section 31, by a gate 11 responsive to information from a section 214 of the reader 2. An automatic switch over circuit 17 responsive to an output of the counter 5 reduces the speed at the end of a travel movement.
Patent GB-1084241-A (GB)
IPC: B21C23/00
Abstract: 1,084,241. Extruding. H. L. D. PUGH. April 6, 1964 [April 4, 1963; April 25, 1963 (2); June 7, 1963], Nos. 13360/63; 16270/63; 16271/63 and 22700/63. Heading B3P. [Also in Division B5] In an extrusion process, a workpiece 14 is extruded through a die 13 by hydrostatic pressure in chamber 11. Pressure is applied to a fluid in the chamber by a ram 14 having a seal 18. The billet has a conical end seated in the die orifice and the extruded product emerging from the die is subjected to a lower hydrostatic pressure applied by ram 16. This back pressure is stated to eliminate surface defects on the extruded product. Pressure sensitive devices 20, 21 fitted to the rams are used to measure or record the hydrostatic pressures. The pressure fluid may be a liquid such as paraffin, castor oil which may be mixed with methylated spirits, glycerine and water or glycerine and glycol, a soft solid substance such as rubber, lead or a pressure frozen liquid, or a gas. In another embodiment, Fig. 2 (not shown), the workpiece is of helical or spiral shape and may be used for forming fine wire which is wound on a coil provided below the die. In a further embodiment, Fig. 3 (not shown), both ends of a workpiece may be extruded successively or simultaneously and at the same or different speeds, through opposite dies in the pressure chamber. Two dies in tandem may be provided at one end of the chamber. Pressurized fluid is admitted from an intensifier or pump through ducts to the pressure chamber and also between the two tandem dies. Alternatively, a billet may be partially extruded at one end in a conventional ram-type extrusion press and the other end is then extruded by hydrostatic pressure. In another embodiment, Fig. 4, the workpieoe 37 is reeled on a bobbin 38 rotatably supported on trunnions 39 in the pressure chamber 11. The workpieces may be of circular or non-circular cross-section. A single ram may be used to pressurize a plurality of pressure chambers, thus enabling a plurality of extruded products to be produced simultaneously. Reference is made to the extrusion of aluminium, bismuth, magnesium, zinc, molybdenum, beryllium, chromium, brass, zinconium-beryllium alloy and polytetrafluorethylene.
Patent GB-1117026-A (GB)
Abstract: 1,117,026. Moulding between endless belts; laminating. HOOVER BALL & BEARING CO. 21 Sept., 1965 [26 March, 1965], No. 40244/65. Headings B5A and B5N. A workpiece, e.g. a laminate, is continuously formed by compression between opposed heated platens 22, 24 through which the workpiece is pulled between continuous sheet metal belts 30, 32 which are drawn over the platens 22, 24 in contact therewith by respective roll assemblies 12, 14 which each comprise a hard rubber drive roll 38, driven by motor 54, against which the belt is tensioned by a pinch roll 40 which is mounted between a pair of adjusting lever arms 60 pivotally movable about the machine frame at 88 by means of a pair of hydraulic cylinders (72, 74) (Fig. 2, not shown) pivotally mounted on the machine frame at 78 (84). The belts 30, 32 also respectively pass over idler rolls 42, 50 and movement over the platens is facilitated by the application of lubricant to the interior of the belt by a felt applicator 96 which lubricant is substantially completely removed prior to engagement with the driving roll 38 or 46 by respective spring loaded devices 118, 98 (Figs. 3 and 4, not shown) whereby oil is removed by a first scraper (100) and a felt applicator (108), supplied via ports (106) in a container (104), applies a volatile solvent to the belt to facilitate further removal by a second scraper (110) with sufficient lubricant remaining on the interior of belts 30, 32 to provide a limited amount of slippage on each of the driving rolls 38, 46 whereby the loads are equally distributed between the belts. The first scraper 100 may be omitted.
Patent GB-1130786-A (GB)
Abstract: 1,130,786. Knitting-machines. E. MAYER. 27 June, 1966 [20 July, 1965], No. 28676/66. Heading D1C. To facilitate the introduction of a yarn at a feeder of a multifeeder cylinder-and-dial machine an inverted hook is disposed in the dial and is projected in advance of the feeder to engage and draw in the yarn extending from a newly introduced yarn guide.
Patent GB-1226329-A (GB)
IPC: B29C49/48
Filed: 1967-12-07
Abstract: 1,226,329. Multi-part blow-mould. TENNANTS CONSOLIDATED Ltd. 4 Dec., 1968 [7 Dec., 1967], No. 55807/67. Heading B5A. A multi-part blow-mould for blow-moulding of plastics comprises at least one part which is composed of a plurality of plates of sufficient thickness and strength to withstand stresses during moulding, secured to one another by bolts extending through holes in the plates, there being a plurality of holes in at least one of the plates so as to alter the size and shape of the mould part by a different choice of holes. Preferably all parts are so constituted. The plates may be flat and secured perpendicular to one another to define a rectangular mould or may be curved secured together to define a cylindrical mould. At least one insert may be provided in the mould, against or spaced from the inner surface thereof, to modify the shape or appearance of the article or even to define the entire moulding surface, in which case, a cooling fluid may be passed between the mould plates and inserts.
Patent GB-1226457-A (GB)
IPC: B07B4/02
Filed: 1969-06-06
Abstract: 1,226,457. Pneumatic separating. IMPERIAL TOBACCO CO. OF CANADA Ltd. 6 June, 1969 [27 Jan., 1969], No. 28857/69. Heading B2H. A pneumatic separator comprises means for circulating air upwardly through a separating chamber 7, an impeller 6 for thrusting particles to be separated across the chamber, means 11 for collecting and carrying the heavier particles from the chamber, means 23 for separating the lighter particles from the air current, and means for recirculating the cleaned air to the lower part of the chamber, the heavier particles being subjected to a secondary separation in a transverse current of air from an inlet 34 and valve 35. The means 11 consist of an endless foraminous belt, which conveys heavy particles to an air conveyor 14, 15; the air supply 17 to the conveyor is controlled by a valve 33, and a portion 19 of the air is diverted to collect the lighter particles from an air-lock 29 in a passage 30. The means 23 consist of a rotating screen, which sieves off the lighter particles for delivery to the air-lock 29; the cleaned air is withdrawn through the sieve and an outlet 24 by a fan mounted in a lower portion 27 for redelivery through an aperture 28. Part of the air flow may bypass the separation chamber through a passage 37, and operation of a valve 39 in the passage thus controls the air flow through the separation chamber. Control is also achieved with valves (40, 41) (Fig. 3, not shown) mounted in the recirculating passages. The air supply enters the separation chamber through a diffuser 36. Particles to be separated are supplied through an air-lock 5 from an air conveyor; the particles are sifted from the air by a rotary sieve 3.
Patent GB-1228594-A (GB)
IPC: A01B45/04
Filed: 1968-04-24
Abstract: 1,228,594. Rolling turf. G. J. BROUWER. 24 April, 1968 [13 May, 1967], No. 19391/68. Heading A1E. [Also in Division B8] Apparatus for rolling strips of turf comprises a conveyer, typically part of a turf cutter, which moves strips of turf against transverse blocking means vertically movable above the conveyer, the turf engaging firstly an upturned end of the blocking means such that the turf end so engaged turns and raises the blocking means to pass under it. In a first embodiment, Fig. 1, turf is carried on an uphill conveyer 2 to the upturned end 8 of a frame 12. The frame is restrained by links 16 pivotally connected to the conveyer support frame 6, and by chains 22 holding up the rear. The turf emerges from under the frame partially rolled and is then further rolled by gravity and the movement of the conveyer as it rests against a roller 24, Fig. 3 (not shown). The front of the frame is urged downwards by spring arms 28 and also if desired by a weight 26 to produce a tight roll. The conveyer may have side guide walls. A second embodiment, Fig. 4 (not shown), consists of the first embodiment with an overhead chain conveyer (40) in place of the roller 24, the conveyer supporting frame being mounted in a similar fashion to the frame 8. A belt conveyer (80) may remove the completed rolls. The conveyer chains (60) may be replaced by a belt, a rod conveyer, or a number -of rotating shafts set with projections. The frame (8<SP>1</SP>) may be omitted, in which case the front (46) of the overhead conveyer frame is upturned. A third embodiment, Fig. 10, comprises simply a spring mounted powered roller 98 rotating in a direction D above conveyer chains 2<SP>111</SP>. The roller may have chains welded on it longitudinally or circumferentially. An idler roller 102 detains the rolled turf.
Patent GB-1229291-A (GB)
IPC: A63H33/08
Filed: 1968-02-26
Abstract: 1,229,291. Constructional toy. T. COSTER AND O. COSTER. 20 Jan., 1969 [26 Feb., 1968], No. 9148/68. Heading A6S. A constructional toy member also useful as an ice-lolly stick comprises a strip having its longitudinal edges formed with at least one pair of transversely aligned notches 3 whose width is equal to the thickness of the strip, the strip being also formed with at least one aperture 6 so shaped that a second similar strip may be passed through the aperture until the notches of the second strip lie in the aperture, whereupon the second strip can be partially rotated about its longitudinal axis to engage the material of the first strip in the notches, thereby holding the second strip against longitudinal movement.
Patent GB-1229868-A (GB)
IPC: G03B27/62
Filed: 1968-04-18
Abstract: 1,229,868. Photo-copying apparatus. W. ZINDLER [trading as LUMOPRINT ZINDLER K.G.]. April 18, 1968 [April 21, 1967], No.18449/68. Heading G2A. A photo-copying apparatus comprising a housing 1 containing an exposure light source 8 and a stack holder 22 for copying material, there being an elongated exposure slit 3, is further provided with an area (21) Fig. 2 (not shown) on the upper wall 2 of the housing, the area being adjacent to slit 3 and being used for arranging an original prior to exposure thereof; and a guide path for copy sheets containing sections parallel to the area (21) leading to and from a vertical section, the stack holder being positioned beneath the area (21). An original to be copied is fed by rollers 15, 14, 13 past the slit 3 simultaneously with a copy sheet being fed past a guide surface 7, the original being imaged on to the copy sheet by a mirror and a lens. Book or sheet originals may be copied. The exposed copy sheet may be developed inside the apparatus and a finished copy is withdrawn from an aperture 24. A cover 41 may be used in copying sheet like originals, so as to urge these originals into contact with a plate 4 in the slit 3.
Patent GB-1230812-A (GB)
IPC: E21D17/086
Filed: 1968-05-23
Abstract: 1,230,812. Mine roof support bars. HERMAN HEMSCHEIDT MASCHINENFABRIK. 23 May, 1968 [3 Aug., 1967], No. 24672/ 68. Heading E1E. Two mine roof support bars 1, 2 being interlocking ball cups 6, 7 respectively are connected by a gudgeon pin 8 to an intermediate member 5 having a roof-engaging plate 10, a centering ring 9 being employed to restrict undesirable angular misalignment of the bars 1, 2.
Patent GB-1230885-A (GB)
IPC: F16K11/16
Filed: 1969-01-28
Abstract: 1,230,885. Valves. JURY & SPIERS PTY. Ltd. 28 Jan., 1969 [30 Jan., 1968], No. 4984/69. Heading F2V. A mixing tap for hot and cold water comprises a body having hot and cold water inlets 25, 30 and an outlet 51, a pair of valves 15 co-operating with seats 27, 32 in passages 26, 31 between the inlets and the outlet, and a flow control member 34 in the passage 31 joining the cold water inlet with the outlet. The member 34 is resilient and changes shape when the pressure varies to keep the flow rate within narrow limits. A yoke 42 connects the two valves to a spindle 41 and tilts to accommodate any inequality in wear on the valve faces, the spindle having an operating knob 45 and a screwed connection with the body which increases the effective area of the hot water passage 52 as the valve opens. Flow of cold water through a passage 50 provides an ejection action to the flow of hot water through the passage 52.
Patent GB-1231813-A (GB)
IPC: H02K15/02
Filed: 1967-08-04
Abstract: 1,231,813. Assembling laminated rotors. NEWAGE LYON Ltd. 5 Aug., 1968 [4 Aug., 1967], No. 36027/67. Heading B3A. An assembly tool for use in the production of welded lamination packs for use as rotors of dynamo-electric machines comprises at least one horizontal mandrel 18 journalled for rotation about its longitudinal axis in bearings 17 in a supporting cradle 15 beyond which the mandrel projects, to constitute a protruding rotatable working portion 19 on which a pack of laminations 26 may be assembled together, the cradle being movable along a track 12 into a working station, and power-activated ram means 36, operable to compress the assembled pack of laminations, being carried by the overhanging working portion 19 of the mandrel 18. The lamination pack 26 is locked in its compressed state by a locking nut 31. A floor mounted pedestal 10 has a circumferential horizontal track 12 on which the cradles 15 are guided for individual movement along the track and around the vertical axis of symmetry of the pedestal so that the rotatable mandrel 18 always projects radially with respect to the said pedestal axis. The power-activated ram means 36 comprises a floor-mounted ram structure 35 incorporating an hydraulic or pneumatic ram directed towards the pedestal 10. The fixed ram structure 35 includes a horizontal slideway 39 carrying a forked slide 38 to which the ram plunger 37 is connected and whose radially-inner fork ends carry the fittings 40 for application to the lamination pack 26. A thrust member 41 is adapted to be detachably mounted on the overhanging portion 19 of the mandrel 18 against the outer end of a lamination pack carried thereby, the thrust member 41 has oppositely-directed radial projections 42 against which the fittings on the forked slide bear to apply the compressive thrust of the ram to the lamination pack. The mandrel 18 has a friction clamp 20 for preventing its rotation about its own axis in its journal bearing. A withdrawal yoke 56 detachably mounted on the mandrel has oppositely-directed radial projections 55 for engagement by the fitting 40 on the forked slide to apply the reverse thrust of the ram to the lamination pack for withdrawing it from the mandrel. A withdrawal carriage 51 is moved along a horizontal track 50 into a position underlying a completed lamination pack, a carrier member 52 having inwardlyinclined faces is arranged to support the under side of the pack.
Patent GB-1232227-A (GB)
IPC: F21S8/10
Filed: 1968-11-11
Abstract: 1,232,227. Seaming. LONG & HAMBLY Ltd. 11 Nov., 1969 [11 Nov., 1968], No. 53235/68. Heading B5K. [Also in Division F4] The casing 1 and transparent cover 2 of a vehicle lamp are made from dissimilar plastics materials and the cover is provided with a band 4 of plastics material similar to that from which the casing is made to enable the cover and casing to be welded together. Preferably the cover is made of methyl methacrylate and the casing and band of polypropylene.
Patent GB-1238377-A (GB)
IPC: B23D31/00
Filed: 1968-08-23
Abstract: 1,238,377. Circular saws. BROWN, BOVERI & CIE A.G. 23 Aug., 1968 [24 Aug., 1967], No. 40510/68. Heading B5L. [Also in Division B3] A plate or sheet 1 is divided into transverse strips by moving one or more tools e.g. circular saws 12 transversely to the feed direction of the sheet 1 to form a groove having a depth at least half the thickness of the sheet, and then rupturing the remaining metal by pivoting the partly divided strip. The dividing machine comprises a table 3, a transverse beam 5 on which a horizontal slide 8 is moved by rack and pinion drive to cut the groove, a tool slide 11 movable vertically by a worm-wheel 29, 30 and lead screw and nut 27, 28 drive to adjust the height of a saw or saws 12, and a transverse beam 13 which is pivoted about an axis immediately below the groove to rupture and separate a strip from the sheet 1. Hard ceramic inserts 18, 19 are placed at the adjacent edges of the table 3 and pivoting beam 13, and magnetic grips 20 (electro or permanent) hold the sheet 1 to the table 3. The sheet 1 may also be held to the table 3 by a suction device. Rollers 21 movable with the saw 12 also hold the sheet 1 against the table 3. The sheet 1 is traversed across the table 3 on the tops of submerged freely rotatable balls 22.
Patent GB-1250669-A (GB)
IPC: A01C15/00
Filed: 1969-01-03
Abstract: 1,250,669. Seed sowing machines. AMAZONEN-WERKE H. DREYER. 3 Jan., 1969 [9 Jan., 1968], No. 652/69. Heading A1D. A machine for spreading seeds, fertilizers, liquids &c., comprises a storage container 2, a main beam 6, lateral cantilever arms 7, 7' pivotally mounted by horizontal joints 11, 11' on beam 6, and track markers 13, 13' pivotally mounted by joints 12, 12' on arms 7, 7' the arrangement being such that the arms 7, 7' and the markers 13, 13' can be pivoted to a transporting position. Discharging shares 9 are mounted on the beam 6 and arms 7; 7' by means of tubes 10, and material is supplied to the shares 9 from the container 2 via a distributing device 5 and tubes (not shown). Another cantilever arm may be pivotally mounted on each of the arms 7, 7' each of these further arms being provided with a pivotal marker at its outer end.
Patent GB-1252045-A (GB)
IPC: C01B19/00
Filed: 1969-01-27
Abstract: 1,252,045. Chemically pure compounds. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 27 Jan., 1969 [30 Jan., 1968], No. 4442/69. Heading C1A. Chemically pure compounds of the general formula AxZy, wherein A is an element selected from Sc, Y, La, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, Cu, Ag, Au, Zn, Cd, Hg, B, Al, Ga, In, Tl, C, Si, Ge, Sn, Pb, P, As, Sb, Bi, and B is an element selected from P, As, Sb, S, Se, Te, A and B being different, x and y being integers not greater than 4, are prepared by heating a reaction mixture which contains the elements A and Z together with a chloride, bromide or iodide of the element A at least 25% by weight of the mixture being said halide. Preferably the integers X and Y are less than 4 and the preferred halide is the iodide. If desired, the halide in the above mixture may be replaced by the corresponding amounts of element A and the halogen, that is the mixture may comprise the element A, the element Z and halogen the amounts of A and the halogen being such that on heating at a temperature below 700‹ C. the halide of the element A is formed, a stoichiometric excess ensuring the presence of element A in the intermediate mixture. Either of the above two mixtures may be heated in a closed system, and the preferred halogen is iodine.
Patent GB-1257661-A (GB)
Filed: 1969-05-08
Abstract: 1,257,661. Modified melamine-formaldehyde resins. BADISCHE ANILIN- & SODAFABRIK A.G. 8 May, 1969 [9 May, 1968], No. 23534/69. Heading C3R. [Also in Division C2] Melamine-formaldehyde impregnating resins are stabilized by the addition of small amounts of N,N-di-(alkoxymethyl) amides such as N,N- di-(methoxymethyl) propionamide, with which the resin is condensed.