baber/WOPTO huggingface dataset:
Patent GB-1051996-A (GB)
IPC: H03K21/00
Abstract: 1,051,996. Binary counters. SVENSKA A.B. PHILIPS. May .18, 1965 [May, 21, 1964], No. 20967/65. Heading G4A. 'Each stage except the first of a binary counter is triggered by the from AND gates G2, G3, G4, G5, the inputs to the first AND gate G2 being from a triggering pulse generator A1 and from the output of the first stage FF1. succeeding gates having in addition an input connected to the output from the previous gate. In the form shown the bi-stable stage FF1 is switched from its " 0 " state to its " 1 " state by the first pulse from generator A1 and hence gate G2 is primed so that on the second pulse the first stage is switched to its " 0 " state whilst the second stage FF2 is switched to its "1 " stage. After the third pulse with again an output from the first stage the second stage is primed to switch to its " 0 " state on receiving the fourth pulse. Similarly the gate G3 is primed so that the third stage FF3 is switched to its "1 " state. The other stages are similarly triggered and the outputs applied on a lead L to a dividing counter.
Patent GB-1052072-A (GB)
IPC: C07C69/54
Abstract: 1,052,072. Hydroxyalkyl acrylates and methacrylates. DISTILLERS CO. Ltd. Sept. 2, 1965 [Oct. 13, 1964], No. 41707/64. Addition to 970,202. Heading C2C. 2 - Hydroxyalkyl acrylate and methacrylate are prepared by reacting alkylene oxide and acrylic or methacrylic acids in the liquid phase at an elevated temperature in the presence of a solid anion exchange resin containing quaternary ammonium groups as a catalyst and nitric oxide as a polymerization inhibitor. Ethylene, propylene and butylene oxides are mentioned and a cross-linked polystyrene resin with quaternary ammonium chloride groups is used as the catalyst. Inhibitors such as hydroquinone or paramethoxy phenol may also be present.
Patent GB-1054499-A (GB)
IPC: F26B13/16
Abstract: 1,054,499. Sieve drum driers. TEXTIL MASCHINENBAU GERA VEB. Oct. 8, 1965, No. 42842/65. Heading F4G. A sieve drum drier comprises at least two sieve drums of equal diameter and an endless belt conveyer of a length equal to the outside diameter of one of the drums which is insertable into the drier casing in the path of the material to be dried so as to be interchangeable with a sieve drum. The sieve drums have toothed rims meshing with one another and to the gearwheels of the conveyer so that only one sieve drum need be driven.
Patent GB-1225608-A (GB)
IPC: H01J9/38
Filed: 1969-07-31
Abstract: 1,225,608. 608. High vacuum pumps. L'AIR LIQUIDE SOC. ANON POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE. July 31, 1969 [Aug. 1, 1968], No. 38557/ 69. Heading F1N. A cryopump having an outer casing 2 with a flange 1 for connection to a chamber to be evacuated, comprises a cooled baffle 12 screening the chamber from a gas condensation unit 27, Fig. 3, formed of an annular array of radially extending cooled copper plates 28, each alternate plate 28 being radially inwardly extended and covered with an adsorbent material 30 such as sintered nickel. The plates 28 are brazed between annular end plates 25, 26 and are cooled by a serpentine coil 24 fed with liquid helium through an inlet 8, 23. On each end plate 25, 26 is supported, by tie-rods 36, a copper disc 31, 32 provided with an electrical heating resistance for re-generating the condensation unit 27. The unit 27 is suspended within an inner casing 15 by cables 38, 41. The baffle 12 is composed of concentric frusto-conical plates 16 secured together by radial pipes (17), Fig. 2 (not shown) extending between inner and outer rings 18, 19 forming part of a liquid nitrogen cooling circuit which includes coils 14 for the inner casing 15.
Patent GB-1225877-A (GB)
IPC: B28B21/26
Filed: 1969-09-19
Abstract: 1,225,877. Moulding concrete pipes. HYDROTILE MACHINERY CO. 19 Sept., 1969 No. 46375/69. Heading B5A. A concrete pipe forming machine of the kind in which a rotating packer head 27 moves upwardly through a mould 13 and feeds and packs concrete in a cylindrical column adjacent the mould interior, includes a concrete feeding device comprising a vertically movable table 14 which is lowered into contact with the mould top and incorporates a conical funnel member 38 with rotary scraper plates 53, 54. When the packer head emerges from the mould top, excess concrete is supplied to the member 38, and when a new mould is placed in position and the packer head lowered to a recess 78 in a mould supporting base 12, the excess concrete is pushed into the mould from the member 38 by rotating the scraper plates. The latter are secured to plates 56 adjustably mounted on a ring 44 supported and guided by rollers and rotated by a motor 64 and chain 66.
Patent GB-1226798-A (GB)
IPC: D04B35/34
Filed: 1968-04-11
Abstract: 1,226,798. Knitting-machines. FAMILIE WALDENFELS G.m.b.H. 11 April, 1968 [19 April, 1967 (2)], No. 17477/68. Heading D1C. In a warp knitting machine having a guide 13 for laying in wefts the guide is so mounted that it is raised at the start of each traverse to avoid collision with the inserters 8. The guide lays yarn behind the needles on the sinkers 7, from where it is pushed by inserters 8 across the top of the lowered needle. The guide reverses its traverse before the inserters are withdrawn, and is then raised to clear them. To this end the thread guide rails 11 are mounted between brackets 14 pivotal, in time with the guide movement, about axes 15. The guide, or several guides across the width of the machine are driven by an oscillating cord 12 to which they are attached. The ends of the cord are fixed and the end portions each pass around pairs of pulley blocks (33, 34 Fig. 5 not shown). The inner-. most block of each pair are fixed at opposite ends of a reciprocating rod (35) which thereby oscillates the cord. The guide stroke can be varied by adjusting the rod stroke, the number of pulleys entrained, or both weft insertion may be interrupted while the machine is running and fabric pieces severed and sealed between wefts by heated jaws or a hot air nozzle.
Patent GB-1227004-A (GB)
IPC: C07J11/00
Filed: 1968-03-25
Abstract: 1,227,004. 9,14 - Epoxy - 8,14 - seco - steroids; steroid synthesis. TAKEDA YAKUHIN KOGYO K.K. 25 March, 1968 [24 March, 1967 (2)], No.14299/68. Heading C2U. The invention comprises (A) 13-hydrocarbyl- 9,14# - epoxy - 8,14 - seco - 13α - gona - 1,3,5(10), 15 - tetraen - 17 - ones (which optionally bear further ring substituents) and (B) a process for preparing a 13#-hydrocarbyl-gona-1,3,5(10),8, 14-pentaen-17α-ol which comprises contacting a 17x - hydroxy - 13# - hydrocarbyl - 8,14 - secogona - 1,35(10),9(11),15 pentaen - 14 - one with an acid catalyst to produce a compound defined at (A) above, and catalytically reducing the latter to a 13-hydrocarbyl-9,14#-epoxy-8,14- seco - 13x - gona - 1,3,5(10) - trien - 17 - one, which, on treatment with an acid catalyst yields the desired product. All compounds may be optically active or racemio. The starting compounds for process (B) are prepared by microbial reduction (with Klockera, e.g. K. magna) or Meerwein-Ponndorf-Verley reduction of the corresponding -14,17-diones, and the latter compounds are prepared as described in Specification 1,215,701. The products of process (B) may be subjected to further conversions as outlined in Specification 1,215,701.
Patent GB-1227599-A (GB)
IPC: G03G15/22
Filed: 1968-12-19
Abstract: 1,227,599. Selective printer. RANK XEROX Ltd. 19 Dec., 1968 [22 Dec., 1967], No. 60363/68. Heading B6F. [Also in Division G5] A selective printer providing visual indication of the type selected comprises a plurality of multi-faceted single character display elements 10 mounted on a shaft 12 for rotation past a printing station, a development station 30 (if required), a display and hard copy station 28 and an erasing station 32, and further provided with resilient spacing means 36 between each of the display elements 10 to provide line justification of a completed line of characters prior to producing a hard copy. Each of the elements 10 is faced on four sides with a dielectric layer on which a character pattern may be generated, toned, and erased, as desired. An electrographic printing head 26, which is indexed along shaft 14 from one element 10 to the rest, comprises either a 7-pin comb array or a 35-pin matrix. Alternatively, the electrographic printing head may be a rotatable wheel or cylinder with fully formed characters thereon. The faces of the display element 10 may be coated with a photoconductor which may be charged and locally discharged in image configuration by optical character masking means. Various ink deposition devices may be employed, for example, a golf ball printing head, or a chain printer which transfers an image from a ribbon. Input means 20 may be a keyboard input for low speed operation.
Patent GB-1227845-A (GB)
IPC: B21B37/46
Filed: 1968-03-29
Abstract: 1,227,845. Control of several motors. GENERAL ELECTRIC CO. 29 March, 1968 [19 April, 1967], No. 15313/68. Heading H2J. [Also in Division G4] The invention relates to the control of rolling mills and is concerned with changing the speed of the mill as a whole without upsetting the speed ratios between the various motors. Each pair of rollers is driven by a motor (DM, DM2, Fig. 1, not shown) under the control of a device (SC) which regulates the speed of the motor to a value proportional to the pulse rate of an applied pulse train. The individual pulse trains are derived by division, in a pulse multiplier 14, from a master pulse generator 13, 22. The ratio of input to output pulses of each multiplier is set by a respective speed reference register 16. The pulse generator comprises an oscillator 22 and a series of bi-stable dividers 61-72; the register 16 comprises a similar set of dividers 81-92. The pulse multiplier 14 has a plurality of AND gates 101-112 arranged to pass pulses from the dividers 61-72 when the respective stage 81-92 of the register carries a logic 1. To increase the speed of a motor the count in its register must be increased to increase the proportion of pulses passed by the pulse multiplier 14. To increase the speeds of all the motors in the desired ratio each register 16 is fed with the output pulses of its respective pulse multiplier 14 by way of AND gate 15, under the control of a common controller 18. The speed of a particular motor can also be altered by its individual controller 17 which feeds pulses at constant frequency (from one of the dividers 61-72) by AND gate 47 to the register 16. Each register 16 is provided with an AND gate 51 which gives an output when the register is full and an AND gate 55 which gives an output when the count in the register reaches a value representing the minimum speed for the respective motor. An output from any of the gates 51, 55 causes all AND gates 25, 27, 42, 44 to be opened so that no motor may be run outside its desired speed range.
Patent GB-1228213-A (GB)
IPC: F02K7/10
Filed: 1968-04-16
Abstract: 1,228,213. Ram jet enginesair intakes. ROLLS-ROYCE Ltd. April 16, 1968, No.17760/68. Heading F1J. The invention relates to a system for sensing the position of the terminal shock in a supersonic air intake, there being a plurality of reverse pitot tubes disposed with their inlets spaced apart in a plane transverse to the principal flow axis of the air intake, means for determining a mean of the pressures in the individual pitot tubes, and an operating means having discrete on-off states adapted to change state in response to a change in the axial disposition of the shock, and means responsive to the operating means to act on a parameter of the plant capable of varying the shock portion in the sense of tending to retain it at the critical position. The invention is described with reference to the supersonic intake of a ram jet engine which comprises an outer casing 10 and a centre body 11 which define an annular intake 12. A series of reverse pitot tubes 16 are disposed with their intakes in a common plane 17 normal to the axis 18 of the intake. The normal shock position in the intake is indicated at 15 just downstream of the open ends of the pitot tubes. The pitot tubes are connected to a common chamber 19 so that the mean pressure Pr p  of the pitot tubes exists therein, this pressure being compared with a reference pressure P o 1 by means of a piston device, Fig.4 the piston causing one or other of the pairs of contacts 20 to close so moving the piston valve 21 either to the left or to the right, this in turn causing the throttle valve 22 to move either to reduce or increase the fuel supply to the burners 23, the resulting change in combustion chamber pressure causing the shock wave 15 to return to the desired position. The object of the invention is to allow for the possible change in the incidence of the free stream relative to the intake axis.
Patent GB-1228575-A (GB)
IPC: B65H3/10
Filed: 1967-08-16
Abstract: 1,228,575. Feeding sheets. PLESSEY CO. Ltd. 15 Aug., 1968 [16 Aug., 1967], No. 37756/67. Heading B8R. Spaced along a conveyer track 1 are a series of hopper units each including an exchangeable magazine 15 for a pile of sheets. Above each magazine is a suction separator drum 5 having ports 6 connected to a suction source, whereby the top sheet can be separated, when suction is released from a retaining suction foot 25, and fed by the drum and belts 16 through a throat 4 on to the conveyer path, along which it is fed by rollers 2, 3. A rotary valve connects the foot 25 to a suction source except during the part of the drum revolution when a sheet is to be separated, and at this time connects it to a two-way valve controlled by a solenoid actuated by a programming device which connects the foot to atmosphere if a sheet is to be separated from that particular magazine and to the suction source if not, so that sheets can be supplied to the conveyer path from the various magazines in a desired order. The pile table 18 is raised by a pneumatic device 22 until the top of the pile reaches a detector 24, and is again raised when the level falls below the detector. Double feed is prevented by air from nozzles 26 blowing against the side of the top part of the pile, and by the foot 25, which is reconnected to the suction source to hold the next sheet as soon as the rear end of the top sheet has passed from beneath it. In another form, sheets are separated from the bottom of the magazines, which are above the conveyer path.
Patent GB-1229378-A (GB)
IPC: D03J5/00
Filed: 1969-10-22
Abstract: 1,229,378. Shuttleless looms. RUTI MACHINERY WORKS Ltd. 22 Oct., 1969 [23 Oct., 1968], No. 51853/69. Heading DIE. A split shuttle that is pulled together onto the bobbin head by an elastic tie 20 has enlarged recesses 26, 27 to accommodate the enlarged ends of the tie. The ends of the tie. may be of circular frusto-conical section and may embrace a split collet 24.
Patent GB-1229854-A (GB)
IPC: D06B11/00
Filed: 1968-06-25
Abstract: 1,229,854. Printing yarns. ADVANCE FINISHING Inc. 25 June, 1968 [26 June, 1967], No. 30285/68. Heading B6C. [Also in Divisions D1-D2] A pattern of coloured spots disposed in an apparently random fashion is produced by printing transverse lines of colour on a warp of pile yarns as described in Specification 1,229,855. Adjacent yarns are then taken along paths of different lengths so that they are longitudinally displaced relative to one another before they reach the tufting machine.
Patent GB-1229867-A (GB)
IPC: B23H9/00
Filed: 1968-04-17
Abstract: 1,229,867. Spark erosion. GEPIPARI FOVALLALKOZO KISIPARI SZOVETKEZET. 17 April, 1968, No. 18213/68. Heading B3V. [Also in Divisions C2 and H5] A material is electro-eroded to a powder of grain size 1 to 1000 millimicrons by employing it as an electrode 2 of a spark gap 10 and by continuously varying the gap 10 using, e.g. an electrically driven feeding device and a vibrator 9. Optionally and additionally, the voltage across the gap is varied using a spark coil 14. Both electrodes 2, 3 are of material for disintegration, if required, and electrode 2 has an adjustable spring suspension 6, 7, 8. Organometallic compounds such as aluminium triethyl are produced, using aluminium electrodes 2, 3, by supplying ethyl bromide through conduit 16 (see Division C2). Other applications specified are production of zinc ethyl, Grignard compounds, catalysts, fuel cell electrodes and bi-metallic powders (for facilitating uniting of two different metals). An electromagnetic field is provided transversely of the electrodes to deflect the eroded particles. Automatic control means may be provided in device 9, Fig. 1, for feeding electrode 3 in accordance with its consumption and position.
Patent GB-1230339-A (GB)
IPC: C09D127/18
Filed: 1968-07-19
Abstract: 1,230,339. Coatings. E.I. DU PONT DE NEMOURS & CO. 19 July, 1968 [19 July, 1967], No. 57211/69. Divided out of 1,228,438. Heading B2E. Articles have a surface coating comprising a mixture of polytetrafluoroethylene and an auxiliary film-forming material, that portion of the coating adjacent to the surface being predominantly the auxiliary material and that portion adjacent to the outer surface being predominantly polytetrafluoroethylene. The auxiliary polymer may be a polyimide, a polyamide-imide, a vinylidene fluoride/hexafluoropropylene copolymer or a vinylidene fluoride/ hexafluoropropylene/tetrafluoroethylene terpolymer and others are specified. The weight of polytetrafluoroethylene to that of the auxiliary film-forming material may be in the range 10:90 to 90:10. The coatings are obtained by applying to the surface a substantially anhydrous dispersion inorganic liquid having a surface tension not greater than 25 dynes per centimetre of polytetrafluoroethylene particles and the auxiliary film-forming material or precursor thereof, which forms a film which is thermally stable at the fusion temperature of the polytetrafluoroethylene, the polytetrafluoroethylene having a molecular weight greater than 20,000 and the particles having an average radius of 0.1-3 microns, no more than 50% of the particles having radii larger than 3 microns, and heating the coating to fuse the polytetrafluoroethylene. The coatings may be applied to wire, metal foil, cooking utensils, ships bottoms, moulds, and items of machinery.
Patent GB-1232177-A (GB)
IPC: B60Q1/38
Filed: 1969-12-01
Abstract: 1,232,177. Thermal switches. N. SUZUKI. 1 Dec., 1969 [30 Nov., 1968], No. 58616/69. Heading H1N. In a thermal interrupter switch (a flasher) comprising a snap-plate 3 equipped with a contact, a fixed contact, and a thermal expansion strip 4 around which is wound a heating wire, one end 4a, Fig. 2 (not shown), of thermal expansion strip 4 is folded over twice and fastened to one end of snap-plate 3 and the other end 4b is fastened to a spacer 11 on the other end of snap-plate 3. The arrangement is to ensure that strip 4 will not touch plate 3 and to be able to adjust the tension in strip 4 by bending spacer 11. End 4a is spot-welded to plate 3, spacer 11 is spot-welded at A<SP>1</SP> to plate 3 and end 4b is also folded over twice and spotwelded to spacer 11. Plate 3 has holes 12, 13, Fig. 4 (not shown), cut in it and a crimped portion 14, Fig. 4, to give plate 3 a curvature.
Patent GB-1238557-A (GB)
IPC: H01L47/00
Filed: 1969-08-04
Abstract: 1,238,557. Semi-conductor devices. NIPPON ELECTRIC CO. Ltd. 4 Aug., 1969 [2 Aug., 1968], No. 38972/69. Heading H1K. [Also in Division H3] A bulk negative resistance effect device for use in an amplifier circuit carries, along one side surface, a conductive layer 15 capacitively coupled to the semi-conductor body 11 through a dielectric layer 14, and the body 11 includes a cross-sectional region, close to but spaced from the cathode electrode 12, which has a greater electrical resistance than corresponding crosssectional regions elsewhere in the body 11. The greater resistance may be achievied by variation in the dopant concentration along the length of the semi-conductor body 11 or, as shown, by etching a groove partly across the body to restrict its cross-sectional area locally. In a modification signal input and output electrodes are additionally provided on the same surface as the capacitively coupled electrode 15 at opposite ends thereof respectively. These additional electrodes may be ohmic, rectifying or capacitive
Patent GB-1250636-A (GB)
IPC: D06F37/30
Filed: 1968-12-21
Abstract: 1,250,636. Belt tensioning means. AUTOMATIONS INTERNATIONAL (U.K.) Ltd. 21 Nov., 1969 [21 Dec., 1968], No. 60921/68. Heading F2Q. In a belt tensioning means, a pulley is mounted upon a spindle 16 carried eccentric to the axis of a circular plate 15 which is adjustable angularly with respect to a base structure 11, which is linearly adjustable. The plate 15 is secured to the base structure 11 by a central bolt 20 and a bolt 22 located in an arcuate slot 21. Bolts 19 located in linear slots 18 secure the base structure 11 to a supporting structure 12. Alternatively, a single slot may be provided for each bolt 18, and the slots may be of arcuate form.
Patent GB-1264510-A (GB)
IPC: H04N9/73
Filed: 1969-04-28
Abstract: 1,264,510. Colour television. BLAUPUNKTWERKE G.m.b.H. 28 April, 1969 [26 April, 1968], No. 21516/69. Heading H4F.  A colour temperature (chroma) control for a colour television receiver comprises a resistor network which connects together negative feedback resistors or load resistors of the red and blue colour signal amplifiers to vary the amplifier gains, the resistor network including three series-connected resistors, the middle one being a potentiometer the slider of which is connected to a voltage source of such value that no current flows through the three series-connected resistors when the amplifiers are fed with black value signals.  As shown, Fig. 1, the red, green and blue colour signals Ug(R), Ug(G), Ug(B) are amplified by valves 1, 2, 3, the cathodes of which are connected to ground by negative feedback resistors 5, 6, 7 and to a bias supply 8 by resistors 9, 10, 11. The cathodes of the red and blue amplifier valves are connected by resistor chain 20, 21, 22, resistor 21 being the chroma control potentiometer, the slider of which is connected to ground by resistor 23 and to bias supply 8 by a resistor 24. Resistors 23 and 24 are selected so that the potential at the slider of potentiometer 21 is equal to that at the cathodes of the valves when a black signal is applied. Adjustment of the position of the slider of potentiometer 21 alters the gains of the red and blue amplifiers and varies the colour temperature of a displayed white spot along a curve in the colour triangle of the picture tube approximating to the line which is perceived by the eye as colourless. A closer approximation may be achieved by connecting the ends of the potentiometer 21 to the cathode of the green amplifier valve by means of resistors 28, 29 to simultaneously adjust the gain of this amplifier. The values of resistors 20 and 22 are selected to produce the theoretically correct colour rendering when the slider of potentiometer 21 is at its mid-position. The cross-talk introduced by the control circuit may be kept to a low level by supplying the slider of potentiometer 21 from a bias source of low internal impedance. A resistor 30 may also be connected between the anodes of the red and blue amplifier valves to offset the cross-talk but this is only fully effective at one position of the control. In a second embodiment, Fig. 3 (not shown), the control circuit is connected to the anodes of the red and blue amplifier valves, the slider of the potentiometer (31) being connected to the H.T. line via a resistor (34) and to ground via a resistor (35) to bias the slider to a voltage equal to the anode voltages of the valves under black signal conditions. Cross-talk may be offset by connecting a resistor between the cathodes of the red and blue amplifier valves. The low impedance bias source may comprise a transistor in the emitter follower configuration. The signal amplifier may be transistors.