baber/WOPTO huggingface dataset:
Patent GB-713072-A (GB)
Title: Pile fabric
IPC: D03D27/00
Filed: 1950-12-20
Abstract: 713,072. Pile fabrics; yarns and threads. NATIONAL AUTOMOTIVE FIBRES, Inc. Dec. 20, 1950 [July 17, 1950], No. 31077/50. Classes 120(3) and 142(4) A pile fabric comprises a woven base 1 having a plurality of spaced groups 6 of plied yarns extending through the base and looped on one side thereof to form a pile, the yarns of each group including two loops of different twist types or two loops of yarn in which the singles yarn is of Z twist, the first ply is of Z twist, and the second ply is of S twist. The base 1 may be 10-ounce duck and the pile yarn may be of cotton. Three loops may be inserted by a single needle, and the loops may be secured to the back of the base by an adhesive 8. The separate yarns of each group of loops may be of different colour, or if of the same colour, may be of slightly different tones to ensure a uniform appearance. The yarns may be constructed, as shown in Fig: 3, of strands 11 twisted in three pairs with a Z twist, each pair then being twisted on itself in a Z twist giving three plies 12 which are then twisted together with an S twist. Other constructions that may be used are ZS, ZSZ, and SZ.
Patent GB-1269637-A (GB)
Title: Improvements relating to digital to analogue converters
Inventor: LADD JAMES ARTHUR
IPC: H03M1/00
Filed: 1968-06-29
Abstract: 1,269,637. Non-linear digital/analogue converters. EMI Ltd. 30 June, 1969 [29 June, 1968], No. 31204/68. Heading G4H. In a logarithmic digital to analogue converter, an analogue signal on conductor E, the value of which represents the position of the most significant digit of the input signal P0- P7, is added to the analogue signal from a ladder network, which is controlled by a matrix of AND gates the column of the matrix being selected in dependence on the number of significant bits in the input. The signal on conductors K1-K5 as well as controlling switches L1-L5 in the ladder network control switches M1-M5 connected to resistors U1, T1; U2, T2; ... which reduce the current contribution of any signal on conductor K1-K5 if a signal is present on a more significant conductor. The added signals are fed to inverting amplifier X to give an output at terminal Z which is the logarithm of the digital input.
Patent GB-827934-A (GB)
Title: Improvements relating to variably-inclinable elevators
IPC: B65G41/00
Filed: 1957-10-07
Abstract: 827,934. Endless belt elevators; roller conveyers. ANCIENS ETABLISSEMENTS R. GOBERT. Oct. 7, 1957 [Nov. 28, 1956], No. 31298/57. Class 78 (1). An endless belt (or roller) elevator is made adjustable in inclination. Its frame 1, which supports belt 2 running on idler rollers 5, is supported pivotally by legs 10, 11 of which legs 11 act as a locking device. To effect this, each leg 11 carries roller 14 running in guides 1b, 1c and is connected by links 23, 21 to fixed cross-bar 19, link 21 being secured to link 24, and links 24 being joined by handle 25. The effect of gravity is offset by spring 15 connected to the linkage at 13. The lock is effected by wedge 17, which is mounted, together with cross-bar 19, on support 18, which support is slidable between the guides 1b, 1c. Operation.-With one hand the operator grasps handle 25 and swings it around cross-bar 19, and with the other hand he supports the weight of the length of the conveyer, the rollers 14 thus being unlocked by moving to position 14, away from locking wedge 17. Then, by means of the handle, support 18, together with rollers and linkages, is slid along its guides to another position. The handle is then swung back, so locking the rollers against their respective wedges.
Patent GB-486730-A (GB)
Title: Improvements in or relating to processes for the production of rolled and stamped table and kitchen articles
IPC: B21D53/62
Filed: 1937-11-15
Abstract: 486,730. Making spoons. KELLER, E., and KELLER, F., (trading as HILDENER BESTECK-FABRIK E. KELLER KOMMANDIT-GES.). Nov. 15, 1937, No. 31401. Convention date, Nov. 13, 1936. [Classes 83 (ii) and 83 (iv)] Rolling.-Spoons, table and kitchen articles of iron, rustless steel, alpacca, aluminium, &c. are made by cross rolling the end b of the blank shown in Fig. 1 whereby the tip c and the base d of the bowl are left thicker than the rest of the bowl. The rolling may also be carried out so as to leave the edges f thicker also. The shape imparted by the cross rolling is such as to have less wastage when trimmed to size.
Patent GB-154803-A (GB)
Title: Improvements in pneumatic tools for scaling, chipping and the like
IPC: E21B1/36
Filed: 1919-12-17
Abstract: 154,803. Clements, G. F., and Gilman, F. Dec 17, 1919. Percussive hand tools.- A pneumatic hand-tool for scaling, chipping &c. has a rectangular tool-shank 3 to prevent rotation in the casing. The shank is in one with the piston C, which is of the construction described in Specification 104,099, and is formed with shoulders X. When the pressure of motive fluid is high enough these shoulders X strike internal shoulders 6 on the casing, and give an additional blow by means of the pointed ends 9 of the casing on each side of the chisel point 4.
Patent GB-799405-A (GB)
Title: Improvements in ships' compasses
IPC: G01C17/00
Filed: 1955-11-05
Abstract: 799,405. Magnetic compasses. GILLIE. J. C., KENNEDY, S., and LILLEY & GILLIE, Ltd., J. Oct. 22, 1956 [Nov. 5, 1955], No. 31696/55 Class 97(2) In a binnacle type compass of the kind wherein a periscope tube is provided on the underside of the binnacle to allow the compass (e.g. the lubber line and a portion of the compass card) to be viewed from below, the heeling magnet comprises a hollow cylinder or ring having holes at spaced intervals around its wall to receive magnets, the hollow cylinder or ring being positioned so that its bore affords a clear view of the compass. As shown, the binnacle comprises a non-magnetic cylinder 10 containing fore and aft correcting magnets and thwartship magnets 11 and the quadrantal spheres and Flinders bar. The binnacle assembly, having a transparent top 26 and containing a compass 12 having a shadow pin 27 to facilitate the taking of sun azimuths, is secured above a hole 13 in the wheelhouse roof 14 by an annular plate 15. A flanged cylinder 16 located in the hole 13 is provided with equally spaced axial bores each adapted to receive a cylindrical bar magnet 17. The ring 19 supports a magnifying lens and periscope assembly 20, 21, the periscope tube carrying an adjustable mirror 22 having locking means 25 to permit the compass card being viewed in the wheelhouse. A sighting means is attached to the periscope tube either above or below the mirror, and the tube is rotatable about its vertical axis.
Patent GB-373545-A (GB)
Title: Improvements in smoke density meters
IPC: H02P1/02
Filed: 1931-11-16
Abstract: 373,545. Smoke indicators for furnaces. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 16, 1931, No. 31732. Convention date, Nov. 18, 1930. [Class 51 (i).] In apparatus for estimating smoke densities by absorption of light or heat radiation traversing the gas to be tested and falling on a member sensitive to radiation, two pipes are arranged one within the other and introduced into the gas chamber or smoke stack, apertures being provided so that flue gases are caused to flow through one, while scavenging air for keeping clean the optical parts is aspired through the other. The source of radiation and sensitive member are preferably arranged at the same side of the smoke stack. In the form shown, Fig. 1, the flue gases pass through slots 10 in an outer tube 2 projecting through the chimney wall 1. In the part of the tube 2 outside the chimney there is an incandescent lamp 3 from which light passes to a mirror 7 and is reflected back on to a sensitive member 4 arranged near the light source. If desired part of the light from the source 3 may pass through a screen directly on to the member 4. An inner tube 9 passes from a point outside the chimney to a point adjacent the mirror 7 and apertures 6 are provided in the tube 2 so that a current of scavenging air is drawn past the optical parts. In the form shown in Fig. 2 the gas from the chimney is forced into the tube 2 and light is caused to pass from the source 3 through the tube 2 to the sensitive member 4. An outer tube 11 is provided with apertures 6 so that scavenging gas is drawn therethrough by the suction effect of the flue gases.
Patent GB-1214469-A (GB)
Title: A new improved load carrier for use in transferring builders material
Inventor: GOSTLING PETER ERIC
IPC: B66C1/10
Filed: 1967-07-11
Abstract: 1,214,469. Cradles for lifting building materials. KWIKFORM Ltd. 27 June, 1968 [11 July, 1967], No. 31741/07. Heading B8H. A cradle, for carrying building materials and unloading them between adjacent floors of a building under construction, comprises a palletsupporting base 10 which is detachably supported from a crane by an enclosure 17. The base is raised above the ground on legs 11 and is pitched up and set down by sliding flanges 23 of opposite sides of the enclosure 17 under channel members 12. To facilitate this, one end of the enclosure is closed by a hinged door 27. The latter is held closed and open by lugs 28 which respectively engage slots 29 and 32. A detachable frame 35 may be provided so that window-frames may be carried, leaning against each side thereof. Specification 1,145,391 is referred to.
Patent GB-882540-A (GB)
Title: Process for producing polycarbonates
Filed: 1959-09-17
Abstract: In the manufacture of polycarbonates by effecting ester-interchange between a diaryl carbonate and a 4,41-dihydroxy-di-mononucleararyl-alkane or -cycloalkane, there is used as a catalyst a manganous salt of an organic or inorganic acid. Specified manganous salts are those of formic, acetic, propionic, butyric, valeric, caproic, oxalic, malonic, succinic, glutaric, adipic, pimelic, suberic, sebucic, lactic, a -hydroxyisobutyric, citric, tartaric, benzoic, phthalic, terephthalic, o-, m- and p-hydroxybenzoic, boric, carbonic, hydrochloric and nitric acids. These catalysts may be used in admixture with other catalysts, e.g. alkali metals or their alcoholates, alkaline earth metal oxides or hydride, zinc oxide, lead oxide or antimony trioxide.  Preferably the ester-interchange reaction is effected first at 160-220 DEG C. with the pressure reducing to 15-50 mm. of Hg. until most of the phenol is distilled off and then at 220-290 DEG C. with the pressure reducing to 0,1-1 mm. of Hg.  Examples describe reacting Bisphenol A or 2,2-(4,41-dihydroxydiphenyl)-butane with diphenyl carbonate or dimetacresyl carbonate in the presence of one of the above specified manganous salts or a mixture of manganous borate with manganous acetate or antimony trioxide.  Specification 772,627 is referred to.
Patent GB-1165034-A (GB)
Title: Tray.
IPC: B65D1/36
Filed: 1967-07-11
Abstract: 1,165,034. Moulded trays. MONSANTO CO. 11 July, 1967 [11 July, 1966], No. 31791/67. Heading B8P. A moulded tray has on its base a first set of parallel ribs 12, and a second set of parallel ribs 18, the intersection of the ribs being such that at some intersections a rib of the first set merges with and extends over a rib of the second set and at other intersections a rib of the second set merges with and extends over a rib of the first set. Dimensions for optimum strengthening are specified.
Patent GB-207694-A (GB)
Title: Improvements in or relating to calculating slide rules
IPC: G06G1/12
Filed: 1922-11-21
Abstract: 207,694. Dunsmore, G. Nov. 21, 1922. Slide-rules. - A sliderule for effecting calculations relating to reinforced concrete beams comprises the usual slidable and fixed members one of which bears an ordinary logarithmic scale A and scales C, D, E, F denoting percentage reinforcements for beams of different shape structure and slab depth ratio. The other member is inscribed with an ordinary logarithmic scale B and scales G, H of breadths and depths respectively.
Patent GB-336111-A (GB)
Title: Improvements in the manufacture and production of thiourea
Filed: 1929-10-19
Abstract: 336,111. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Oct. 19, 1929. Thiourea is produced by treating calcium cyanamide with hydrogen sulphide in the absence of liquids or in the, presence of small quantities of liquid sufficient to give a paste. The thiourea i.s extracted from the reaction mixture by means of organic solvents. In forming the paste, there may be used water or aqueous liquids, or organic liquids capable of dissolving hydrogen sulphide, such as alcohols, e.g. methyl and ethyl alcohols, or amines, e.g. aniline and alkylamines, or esters, e.g. ethyl acetate, or pyridine, or hydrocarbons and their halogen derivatives, e.g. benzene or mixtures of organic liquids may be used during the conversion. In some cases it is advantageous to add alkaline substances such as ammonia and gaseous amines to the liquids. Frequentlythe hydrogen sulphide is caused to react at high pressures and while stirring. The temperature should not normally exceed 100‹ C. For the extraction, liquids are chosen which dissolve the thiourea but not the lime compounds, as for example ketones, e.g. acetone, also pyridine and its homologues, but especially mixtures of organic liquids such as mixtures of alcohols and ethers, or of alcohols and benzene, or of alcohols and chloroform, carbon tetrachloride, or benzene, and in some cases mixtures of organic liquids with water, e.g. aqueous alcohols. When water is present during the reaction it is often advantageous to dry the mass resulting from the reaction before the extraction. It is preferable to extract with hot solvents; the thiourea may then be recovered by cooling, and the mother liquor used again for extraction. The thiourea may also be obtained by evaporation of the solvent. In the examples, a paste is made with ethyl alcohol or aqueous ammonia, or the cyanamide is treated with gaseous ammonia before the introduction of hydrogen sulphide.
Patent GB-1130117-A (GB)
Title: A windscreen wiper assembly
IPC: B60S1/24
Filed: 1967-07-11
Abstract: 1,130,117. Linkwork SWF-SPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU G.m.b.H. 11 July, 1967 [23 Sept., 1966], No. 31830/67. Heading F2K. [Also in Division A4] The drive for a windscreen wiper assembly including three wiper arms comprises a motordriven crank 23 connected to a push-rod 21 forming the fourth link of a cross-arm linkage having a first link 14 mounted on a fixed pivot 12, together with the first wiper arm (not shown), and cross second and third links 17, 18 connected by pivots 15, 16 to the link 14 and by pivots 19, 20 to the push-rod 21, and on two further pivots 25, 26 on the link 14 are mounted push-rods 27, 28 connected by cranks 31, 32 to the second and third windscreen wiper arms (not shown)
Patent GB-303622-A (GB)
Title: A power driven machine for operating a meat mincer
IPC: B02C18/30
Filed: 1927-11-28
Abstract: 303,622. Fulton, D. Nov. 28, 1927. Mincing.-Apparatus for driving a meat mincer having a forcing screw h projecting through the bearing in the mincer casing, comprises a base plate a on which the mincer is secured, a bearing b for a driving shaft f also secured to the base plate, a driving pulley, or pulleys, g on one end of the shaft f, a socket or clutch e, which fits over the non-circular end of the forcing screw, secured to the other end, and ball thrust bearings d interposed between the bearing b and the socket e to take the end thrust of the forcing screw h. The screw f abuts against the shaft f and a clearance space i is thus maintained between the end of the screw convolutions and the mincer bearing.
Patent GB-1486095-A (GB)
Title: Tie strip
IPC: F16L3/137
Filed: 1975-07-31
Abstract: 1486095 Bundling straps B BALLIN J COHEN and M SCHULMAN 31 July 1975 32059/75 Heading E2B A tie strip 11 comprises an elongate pliable resilient strip flexible along its medial axis and having longitudinally spaced holes 14 therein, the holes being generally rectangular and transverse edges of each hole each being formed with an integral tongue 17 extending longitudinally into the hole. The strip is preferably thinner along its medial axis than at its edges and the tongues may be equilaterally triangular (as shown) or semicircular.
Patent GB-1317642-A (GB)
Title: High-voltage direct current transmission system comprising a multi-point network
IPC: H02J3/36
Filed: 1970-07-02
Abstract: 1317642 HVDC power transmission BROWN BOVERI & CO Ltd 2 July 1970 [4 July 1969] 32072/70 Heading H2F In an HVDC transmission system having more than two stations, provision is made for reducing the line voltage and current under fault conditions to finite values that can be interrupted by D.C. circuit breakers. Each rectifying station has automatic regulators capable of reducing the line voltage to 0À1 of its normal value and the line current to 0À2 of its normal value. Each inverter has automatic voltage, current and extinction angle regulation capable of reducing the line voltage to zero and the line current to 0À1 of its normal value. Fig. 8 shows a composite characteristic formed by superimposing the characteristics of individual rectifiers GR and individual inverters WR. The system is arranged to operate where the broken line 1 cuts the WR characteristic but in the event of a D.C. short-circuit, the voltage of the rectifiers is reduced so that the operating point moves to point A. The increase of line voltage of the rectifier station due to the increase in reverse voltage of the circuit breaker as it opens, is inhibited by the new characteristic and the operating point moves to point B. After final isolation of the faulty section, normal operation is resumed. A voltage limiter may be included in the system for use if the regulators should fail to reduce voltage under fault conditions. In the event of failure of one of two series connected bridges in an inverter, two rectifier elements connected to a common phase are made conductive so as to resemble a D.C. short-circuit
Patent GB-1010423-A (GB)
Title: Preparing unsaturated aldehydes
IPC: C07C45/34
Filed: 1962-08-21
Abstract: An unsaturated aldehyde is prepared by heating an a -mono-olefine with oxygen in contact with a catalyst as described in Specification 984,370 at a temperature of 300-600 DEG  C. The catalyst is a composition comprising bismuth oxide (Bi2O3), or a bismuth compound which forms bismuth oxide on heating, and a heteropoly acid of formula H8[X(Mo2O7)6], in which X is a rare earth atom, or the ammonium salt thereof.  The process may be used for the preparation of, for example, acrolein, methacrolein, crotonaldehyde and pentenal from propylene, isobutylene, butene-1 or butene-2 and pentenes respectively.  The oxygen may be used in the form of air or as a mixture with carbon dioxide, nitrogen or other inert gas and water may be used as a diluent.  The catalyst may be used in a fixed bed or a fluidized state and, if desired, may be supported on a conventional carrier.
Patent GB-745648-A (GB)
Title: Improvements in copying attachments for lathes
IPC: B23Q1/00
Filed: 1952-12-18
Abstract: 745,648. Copy-turning. MAXNOVO MECCANICA DI PRECISIONE SOC. PER AZIONI. Dec. 18, 1952 [Aug. 8, 1952], No. 32158/52. Class 83 (3). A copying attachment for lathes comprises a cross slide for replacing the normal slide on the saddle, a transversely movable tracercarrying slide on the cross slide, a tool-carrying slide on the tracer-carrying slide, hydraulicallyoperated mechanism carried by the cross-slide and under control of the tracer to adjust the tool transversely, a hydraulic pump and motor unit with flexible connections to said unit from the hydraulically operated mechanism and a pattern carrier secured to guideways on the lathe bed. The slide 2 which replaces the cross-slide on the normal saddle 102 supports a slide 3 for oblique movement and a tool slide 4 is transversely adjustable on the slide 3. The latter also carries a feeler 6 which controls hydraulic mechanism 5 as described in Specification 745,682. Fluid-pressure is supplied through flexible connections 10, Fig. 2, from a motor and pump unit 8, 7. The pattern 27 is carried between centres on a second main part consisting of a pair of brackets 21, 22 adjustable on a beam 20 carried by cantilever members 14, 15, which are secured to the bed of the lathe.
Patent GB-1395069-A (GB)
Title: Impact absorptive bumper stay for an automotive vehicle
IPC: B60R19/28
Filed: 1972-07-10
Abstract: 1395069 Bumpers NISSAN MOTOR CO Ltd 10 July 1972 [7 Aug 1971] 32177/72 Heading B7J [Also in Division F2] An impact-absorptive bumper stay 10<SP>1</SP> comprises two strips arranged symmetrically on respective sides of a plane and fastened together at a rearward end portion 12<SP>1</SP> which is adapted to be connected to a vehicle frame member 14<SP>1</SP>, and a U-shaped portion 26 provided with laterally outwardly extending flanges 18<SP>1</SP>a at the free ends of its limbs, the flanges being securable to a bumper 20<SP>1</SP>, and the U-shaped portion 26 being elastically deformable to absorb impact energy.
Patent GB-649267-A (GB)
Title: Improvements in or relating to machines for removing haulms and other growths from root crops
IPC: A01D33/06
Filed: 1947-12-05
Abstract: 649,267. Potato harvesters. PACKMAN, P. J. Dec. 5, 1947, No. 32194. [Class 6(iii)] A machine for removing haulms from a row of root crops in the ground comprises a drum or ring 16 having a plurality of teeth 19 projecting in a forward direction whereby the haulms are plucked from the ground by a combing action, the teeth being rotated transversely across the crop row. The drum 16 is driven by gearing from rear wheels 11. A universal joint 24 is provided so that the drum rides on the ground and an adjustable spring 38 is provided to vary the pressure of the drum on the ground. Adjustable coulters 40 are used when required to cut straggling haulms from adjacent rows. The machine is tractor drawn and when not in use a leg 52 is provided for holding up the front end of the machine. In a modification the drum may be tilted with its top portion set behind the lower portion. The drum may be mounted with its axis substantially vertical, the ring of teeth projecting radially from the drum. A further modification may comprise an endless chain situated in a vertical plane, a lower stretch of the chain running transversely and horizontally over the crop row, a series of teeth being fitted on the front side of the chain. The machine may be fitted at the front of a potato harvester as disclosed in Specification 584,502.
Patent GB-860610-A (GB)
Title: Apparatus for separating liquid particles from a gas stream
IPC: B01D45/02
Filed: 1959-09-22
Abstract: 860,610. Centrifugal separators. CHEMICAL CONSTRUCTION CORPORATION. Sept. 22, 1959 [Oct. 3, 1958], No. 32200/59. Class 23 Apparatus for separating liquid particles from gas comprises a container 9, an inlet conduit 1 extending vertically downwards into the container, a circular plate 2 supported by the conduit, a circular plate 7 supported from the plate 2 by curved guide vanes 4, 5, 6, a liquid conveying conduit 8 attached to the plate 7 and liquid and gas outlets 11, 12 from the container. The level of liquid collected in the lower part of the container is usually maintained above the lower end of the conduit 8. Specification 655,038 is referred to.
Patent GB-971252-A (GB)
Title: Adjustable steering column assemblies for motor vehicles
IPC: F16D3/36
Filed: 1963-08-15
Abstract: 971,252. Universal joints. GENERAL MOTORS CORPORATION. Aug. 15, 1963 [Sept. 6, 1962], No. 32272/63. Heading F2U. [Also in Division B7] A universal joint 30 connecting the shaft portions 28, 32 of an adjustable steering column assembly (see Division B7) comprises a pair of yokes 34, 36 slidable in crossed circumferential grooves of a plastic centre member made up of two part hemi-spherical portions 39, 41. Backlash is taken up by a helical compression spring 46 mounted in a bore 40 in the centre member and recesses 42, 44 in the shaft portions 28, 32.