baber/WOPTO huggingface dataset:
Patent GB-775952-A (GB)
Title: Improvements in or relating to outdoor high-tension electric insulators
Inventor: CRON HANS VON
IPC: H01B17/52
Filed: 1953-08-15
Abstract: 775,952. Insulators. SIEMENS-SCHUCKERTWERKE AKT.-GES. Aug. 15, 1953, No. 23472/55. Class 36. Self-cleaning insulator comprises a cylindrical body 1 having at least one helical groove 4 and hence at least one corresponding helical rib which extends over substantially the entire length of the body and forms a ledge K with a sharp edge, the distance between corresponding points of adjacent ribs being substantially greater than for example at least twice the maximum depth of the groove(s). The groove preferably has a helix angle of at least 20 degrees, and the ribs may have a profile similar to that of a buttress thread, being defined partly by a line radial to the insulator body and partly by a line extending downwards from the ledge K and running for about one third of its length parallel to the axis of the insulator.
Patent GB-406372-A (GB)
Title: Improvements relating to protective paper strips for photographic roll films
IPC: B60G13/00
Filed: 1933-08-24
Abstract: 406,372. Photographic cameras; rollfilm cartridges. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. Aug. 24, 1933, No. 23566. Convention date, Aug. 27, 1932. [Class 98 (i).] The two series of exposure numbers provided on the back of a roll film, to permit its use in a camera adapted for taking pictures of different lengths, are printed in complementary colours, such as red and green on a white or brightlycoloured background ; and cameras in which the film is to be used are fitted with a device for changing the colour of the observation window on the back, such as a rotary disc having a red and a green filter for alternative use, so that only one series of numbers is visible through the filter in use.
Patent GB-272365-A (GB)
Title: Improvements in or relating to self cleaning fountain wheel
IPC: B08B9/32
Filed: 1926-09-24
Abstract: 272,365. Miller, C. A. Sept. 24, 1926. Bottles, washing. -The spray nozzles 7, 8 of a hollow, horizontal and positively-rotated wheel 1 giving vertical jets are kept clean, during the rotation of the wheel, by means of a pivotally mounted scraper 20 counterweighted to press knife edges 17 against the nozzles. The scraper is secured by a rod 14 to a hollow sleeve 10 forming a bearing for the wheel and surrounding a tube 9 for delivering liquid to the interior of the wheel. The invention may be applied to bottlewashing machines comprising a conveyer carrying inverted bottles over the spray nozzles of a number of fountain wheels rotated by the conveyer belt.
Patent GB-853149-A (GB)
Title: Improvements in or relating to frequency-transformation devices
IPC: H03B19/03
Filed: 1957-07-25
Abstract: 853,149. Changing frequency. PHILIPS ELECTRICAL INDUSTRIES Ltd. July 25, 1957 [July 28, 1956], No. 23598/57. Class 38 (2). To remove subharmonics from the output of a frequency-changing circuit including a non- linear impedance, suitable for producing telephone carrier waves from an A.C. source, there is provided a circuit which is so tuned as to dissipate energy within a frequency band containing principally the sum of the frequencies of the fundamental or one harmonic and a higher harmonic, whereby the subharmonics are damped out. To produce even and odd harmonics choke 3 supplied from A.C. source 1 is biased and not biased, respectively, by D.C. in winding 7. A dissipative circuit includes resistor 11 and inductor 10 and capacitor 9 in series across output terminals 4, 5. The circuit is tuned to the band of frequencies between the fundamental p or selected harmonic and the mean value of that frequency and the next following higher harmonic. Thus when the selected basic frequencies are p, even harmonic 2np and odd harmonic (2n + 1)p, the absorbtion range should extend from these frequencies up to 1¢p, (2n+¢)p, and (2n+1¢)p, whereby the subharmonics are absorbed (Fig. 2, not shown). Ideally the characteristics should be rectangular, extending a little beyond those upper values, but the actual band may be narrower, as in practice there is little chance of second and third subharrnonics occurring. A circuit is described in which both odd and even harmonics are derived from the same source (Fig. 3, not shown). There is a common absorbtion circuit, tuned to a frequency band just above p, and separate absorption circuits for the odd and even harmonic outputs tuned to frequency bands just above (2n + 1)p, in the one case, and 2np, and (2n +2)p in the other.
Patent GB-745693-A (GB)
Title: Device for controlling the flow of fluid between cambered blades
Inventor: KADOSCH MARCEL
IPC: F02K1/30
Filed: 1951-12-31
Abstract: 745,693. Controlling boundary layer. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Dec. 31, 1951 [Jan. 4, 1951], No. 23600/53. Divided out of 745,630, [Group XXVI]. Class 4. [Also in Group XXVI] A device for controlling the flow of a gaseous fluid between adjoining blades of cambered shape, disposed in a row such as in a turbine or compressor, comprises nozzle means on said blades opening out on the concave surface thereof and directed towards the convex surface of the next successive blades in said row, said nozzle means being fed with gaseous fluid under pressure, the flow of which is controlled by valve means. The blades 21 are stator blades and the blades 21a rotor blades, a cavity 19 in each blade being supplied from a common source with gas under pressure, the rate of flow of the gas being made dependent on the operation of the turbine or compressor by the operation of a controllable valve (not shown). The direction of the nozzle 20 of each cavity 19 may be inclined with respect to the portion of blade surface surrounding it in order to control the boundary layer flow over the convex surface of the adjoining blade or it may be substantially normal to such surface in order that the rate of flow of the operating fluid through the blading may be controlled.
Patent GB-1113852-A (GB)
Title: Wave compression device
IPC: G01S17/10
Filed: 1965-06-02
Abstract: 1,113,852. Electromechanical delay lines; optical and sound distance-measuring. CSFCOMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. 2 June, 1965 [5 June, 1964], No. 23611/65. Headings H3U and H4D. [Also in Division G2] A device for use in radar systems for compressing a frequency-modulated pulse train, comprises a dispersive delay plate 2 of propagating medium having a pair of optically flat faces 1, 3, which are respectively wholly reflecting and partially reflecting, the pulse train being directed obliquely at A on to the plate and an output collected which consists of components A 1 -A n  which have had various numbers of reflections within the plate. A pair of such plates may be spaced apart so that in effect a series of delay cells are provided, and each cell may be in the form of an air layer. The pulse train may be optical and derived from a pulsed laser or may be acoustic and derived from a transducer 11, Fig. 8, applied to the surface of a body 10 of a first metal in which the velocity is c 1 , there being a second metal 9 deposited on the two opposite faces of body 10, the velocity of sound in which is c 2 , so that each layer 9 forms a delay cell.
Patent GB-1210628-A (GB)
Title: Improvements in and relating to reducing compositions
Inventor: HELOUIS ROGER JEAN-PIERRE
IPC: D06P1/22
Filed: 1969-05-09
Abstract: 1,210,628. Dyeing and printing with vat dyes. UGINE KUHLMANN. 9 May, 1969, No. 23648/69. Heading D1B. Reducing compositions used in dyeing and printing with vat or sulphur dyes comprise a hydrosulphite compound and at least one hydroxysulphonic compound of general formula: in which R1 and R2 are each a hydrogen atom or an aliphatic or cyclic radical or taken together represent a cyclic radical, the chains or rings of which may contain other >C(OH)SO3Me groups, and Me is a hydrogen atom or a monovalent metal, preferably sodium or potassium. Textiles e.g. cotton or viscose may be printed with a vat dye paste and then foularded with an aqueous liquor contairiing the above compositions followed by steaming or pressure dyed with the vat dye and reducing compositions at e.g. 100-130‹C. Hydroxysulphuric acid compounds specified are sodium 1-hydroxy-ethanesulphonate, sodium 1-hydroxy 1-methyl-ethanesulphonate, sodium 1-hydroxy-1-methyl-propanesulphonate, sodium hydroxymethanesulphonate
Patent GB-861325-A (GB)
Title: Improvements in and relating to force measuring devices
Inventor: CORBETT JAMES PATRICK
IPC: G01P15/10
Filed: 1956-07-31
Abstract: 861,325. Electric measuring systems. ENGLISH ELECTRIC CO. Ltd. July 31, 1957 [July 31, 1956], No. 23663/56. Class 40 (1). A force measuring device comprises a crystal, suitable for use in a crystal oscillator, means for stressing the crystal in dependence upon the strength of a force to be measured, and means for measuring the natural frequency of the crystal. Two such crystals 34 are shown in Fig. 4 mounted on a mass 32 and suspended by members 37 from a housing 31 so that stress in the suspending members arising from acceleration and gravitation forces in the mass acting in the X . . . X direction may be measured by measuring the oscillation frequencies of the crystals. With two such crystals as shown, measurement may be made by heat frequency methods and the output representing acceleration may be integrated once or twice to give velocity and displacement outputs respectively. The mass 32 is constrained to move in the required direction only by ligaments 33. By using a single crystal or pairs of crystals on each axis of a rectilinear set, force in any direction may be measured. The housing shown is maintained at a constant temperature by coil 39 and thermometer element 40 or the housing may be evacuated. In another embodiment, Fig. 6, the crystals themselves 54, support the mass 52 in the housing 51 and other crystals may replace the ligaments 53. In another embodiment the device is used to measure fluid pressure.
Patent GB-968068-A (GB)
Title: Improvements in and relating to hydraulic roof supports
Inventor: TEBB BERNARD
IPC: E21D15/54
Filed: 1963-06-14
Abstract: 968,068. Hydraulic pit props. MASTABAR MINING EQUIPMENT CO. Ltd. June 14, 1963, No. 23708/63. Heading E1E. In an hydraulic pit prop having a roof cap 18 universally mounted thereon by a hemisphrical bearing 16 engaging a seating 14 is shown, the members 14, 16 are provided with opposed lugs 22, 24 respectively through which a steel stranded wire 26 is threaded. The ends of the wire are clamped together by a swayed or compression type connector 28, the wire serving to retain the members 14, 16 in engagement whilst allowing free articulation.
Patent GB-1343050-A (GB)
Title: Machine programmer
IPC: G03G21/14
Filed: 1971-04-19
Abstract: 1343050 Electro-photography EASTMAN KODAK CO 19 April 1971 [16 March 1970] 23790/71 Heading G2H The succesive steps along an endless photoconductive belt 2 of charging, exposure, development, feeding of copy paper to developed image transfer station, and transfer are initiated and terminated automatically by means of a shift register R comprising a plurality of photo-cells 90 and 92 &c (for initiating and terminating the steps of charging &c) situated adjacent corresponding slits 58 in a stationary sleeve 56 within which is situated a rotary cylinder comprising a plurality of sectors each comprising a lamp 72 (for actuating photo-cells 90 and 92 &c), a lamp-activating photo-cell 62 and a lamp turning-off reed switch 86. Lamp 72 is maintained activated for a complete revolution whereafter the turning-off switch 86 is actuated by a permanent magnet 85. As shown, operation is initiated by a lamp 25 which remains activated (under the action of a print control circuit) until the required number of copy-forming sequences have been initiated. Using five identical sectors, as shown, up to five copies may be produced during a single revolution. In another form (Fig. 4A), lamp 25 is replaced by an electromagnet (25') and a reed switch (60') is provided in parallel with photo-cell 62. The cleaning station operates independently of the automatic control system.
Patent GB-405217-A (GB)
Title: Improvements in and relating to dental appliances
IPC: A61C7/10
Filed: 1933-08-28
Abstract: 405,217. Dental malformation appliances. WEBB, S. J. F., 6, High Street, FURNEAUX, E., 56, Windhill, both in Bishop's Stortford, and BROOKS, W. J., Beechcroft, Sollershott, Letchworth, both in Hertfordshire. Aug. 28, 1933, No. 23819. [Class 81 (ii).] A device for correcting dental malformation comprises jawengaging sections V in which are imbedded sockets S having anchoring webs T and adapted to receve a distance piece B the ends of which abut against resilient packings R, e.g. of rubber in the sockets. By varying the thickness of the packings the separation of the jaw segments may be increased. In the process of moulding the segments round the sockets the distance piece is placed in position in the sockets and is held in a plaster of paris mould by a plate H an opening P in which engages the distance piece.
Patent GB-1371296-A (GB)
Title: Sewage and garbage disposal process
IPC: C10J3/46
Filed: 1972-05-20
Abstract: 1371296 Treating sewage TEXACO DEVELOPMENT CORP 20 May 1972 23853/72 Heading C1C [Also in Division C5] Thickened and dewatered sewage with or without size-reduced garbage and/or sizereduced solid waste material, is mixed at 22 with one or more of water, liquid hydrocarbon, liquid hydrocarbon-particulate carbon slurry, and water-particulate carbon slurry, and then introduced into a free-flow unpacked non- catalytic gas generator in which it is reacted at an autogenous temperature of 1500-3000‹ F. and 1-250 atmospheres with a free oxygencontaining gas and steam to produce a hot gaseous effluent comprising H2, CO, CO2, water or steam, and particulate carbon. As shown, sewage 1 is screened at 2 and sediment 6 separated from an overflow 10 which is treated to produce a pure water stream 35. The screenings 3 can be mixed with garbage 112 and ground prior to mixing at 22 with the sediment 43 which has been concentrated at 8.
Patent GB-1491066-A (GB)
Title: Process for preparing tertiary amines
IPC: C07D295/023
Filed: 1975-06-02
Abstract: 1491066 Tertiary amines NIPPON SHOKUBAI KAGAKU KOGYO CO Ltd 2 June 1975 23855/75 Heading C2C Tertiary amines are made by reacting an aldehyde or ketone with a formyl derivative of a secondary amine at 100-350‹ C. in the presence of water and/or a C 1-4  alcohol and preferably a secondary amine. The reaction may be carried out in the liquid phase at a pressure of 5-300 kg./cm.<SP>2</SP> gauge and in the presence of a Lewis acid as a catalyst.
Patent GB-741023-A (GB)
Title: Improvements relating to threading yarns through tube frames and machines therefor
IPC: D03D39/06
Filed: 1953-08-29
Abstract: 741,023. Threading tuft-yarn tubes. BOUCHER & CO., Ltd., and WILKINSON, J. G. G. Aug. 30, 1954 fAug. 29, 1953], No. 23923/53. Class 142 (1).  In the machine described in Specification 716,561, the tuft yarns 34 are accurately aligned with the tubes 12, for threading by needles 13, by a manually-operated comb 36 which is guided by stationary cams so as to penetrate between the yarns where they are correctly spaced by the clamp 14 and slide down them to the vicinity of the tube mouths.
Patent GB-645398-A (GB)
Title: Improvements in and relating to sliding doors
IPC: B60J5/06
Filed: 1948-09-11
Abstract: 645,398. Road-vehicle doors. OVERTON, W. Sept. 11, 1948, No. 23929. [Class 108(i)] An anti-rattle device for a vehicle sliding door comprises a T-shaped runner 19, adjustably mounted in a bracket 35 attached to the body pillar 11, and engaging a rail 12 secured at waist-rail level to the door 10.
Patent GB-583765-A (GB)
Title: Mechanism for driving the camshaft of an automatic lathe
IPC: B23B7/10
Filed: 1944-11-30
Abstract: 583,765. Turning. BECHLER, A. Nov. 30, 1944, No. 23951. Convention date, April 8, 1942. [Class 83 (iii)] In a cam-shaft drive for an automatic lathe, vibrations in the drive are prevented from reaching the cam-shaft by mounting the driving wheel, which may be a worm-wheel 10. or a belt pulley or chain wheel, on a hollow shaft 11 through which passes the cam-shaft 4. The hollow shaft is supported in a bearing 12 adjacent the driving wheel and its other end is pinned to the cam-shaft adjacent one of the cam-shaft bearings 3.
Patent GB-986042-A (GB)
Title: Improvements in or relating to optical systems
IPC: H01L31/0232
Filed: 1963-06-17
Abstract: 986,042. Light guide. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. June 17, 1963 [June 20, 1962], No. 24013/63. Heading G2J. [Also in Division H3] Light from a source 25, Fig. 2, is transmitted from the thick end 26 to the thin end 23 of a wedgeshaped light conductor 20 by reflection between the converging surfaces 21, 27, the transmitted light being emitted at a side face of the conductor adjacent the thin end where it activates an optical maser or a thermistor bolometer. As applied to an optical maser, the light source 25 may be an Xenon discharge tube, a potassium vapour lamp or a high pressure mercury vapour lamp. The light conductor 20 is formed of heavy flint glass with a refraction index of 1. 9, and the thick end 26 may have either a plane or a convex surface. Fig. 1 shows the light conductor in end elevation, in association with the active medium 1 of an optical maser consisting of uranium or samarium activated calcium fluoride or chromium activated ruby formed with right prism end reflecting surfaces 2, 3. The coherent light output is obtained through a further prism 14 which is spaced from prism 3 by a layer 15 of low refractive index, the layer being air if the active medium is ruby and the prism 14 is silicon, and MgF 2  if the active medium has a higher refractive index than ruby. The layer has a thickness of about 5000 A if of air to give a reflection-transmission ratio of about 100: 1. A mirror 16 may be provided against one face of the prism 14 to obtain an emerging beam in only one direction. A modification is shown in Fig. 3 for use where the active medium 30 has poor absorption of the pumping radiation, the emergent light from the conductor 20 being reflected between the axial faces of the active medium as it transverses the length of the body. In this embodiment one end 32 of the medium is plane and partially transparent. A radiation sensitive device is shown in Fig. 4 in which a thermistor bolometer 40 is associated with a light conducting wedge 41 having one surface 42 curved to approximate to the arc of a circle.
Patent GB-1017939-A (GB)
Title: A method of making polyurethane films
IPC: C08G18/08
Filed: 1964-06-10
Abstract: A method of making a sprayed polyurethane film comprises simultaneously spraying separate streams of a polyurethane prepolymer solution in a volatile organic solvent and an aromatic diamine solution in a volatile organic solvent into a common spray path and depositing the mixed spray as a film, the prepolymer having branched molecules in which the branches are isocyanate terminated, so that the prepolymer has a functionality greater than 2 with respect to the curative, and the film thereby cures rapidly at room temperature.  In a modification the process comprises spraying separate streams of a solution of a linear polyurethane prepolymer having terminal isocyanate groups in a volatile organic solvent and of a mixture of an aromatic diamine and an aromatic triamine in a volatile organic solvent into a common spray path and depositing the mixed spray as a film.  The diamine may be methylene diamine, a methylene diamine/metaphenylene diamine eutectic blend, 3,31-dimethyoxybenzidine or 3,31-dimethylbenzidine. The triamine may be 4,41,411-triamino triphenyl methane. The branched prepolymer may be formed by reacting one mole of a polymeric glycol of M.W. 300-5000 with from 1.5 to 2.5 moles of an aromatic diisocyanate and from 0.05 to 0.3 moles of a triol or organic triisocyanate. In examples (1) a prepolymer derived from a propylene glycol/ethylene glycol adipic acid polyester and toluene diisocyanate was heated at 230 DEG  F. for 3 hours and dissolved in methylethyl ketone and mixed by spraying with a solution of methylene dianiline in methyl ethyl ketone from a two-head spray gun.  In Examples (6) a linear prepolymer prepared as above but without heating was dissolved in methyl ethyl ketone and sprayed with 4,41,411-triamino-triphenylmethane in methyl ethyl ketone.
Patent GB-1358514-A (GB)
Title: Light-sensitive resin compositions
IPC: G03F7/038
Filed: 1972-05-22
Abstract: 1358514 Photo-resists FUJI PHOTO FILM CO Ltd 22 May 1972 [28 May 1971] 24044/72 Heading G2C  A xylene-formaldehyde resin is present in a photo-resist layer of cinnamic acid resin, cinnamylidine acetate resin or natural, synthetic or cyclized rubber sensitized with an organic azide. The xylene-formaldehyde resin may be esterified or phenol-, amine-, isocyanate- or resin-modified. It may have a MW of 400-500 and be present in an amount of up to 1À5 times the light-sensitive resin.
Patent GB-1511257-A (GB)
Title: Profile following machine
IPC: B23Q35/128
Filed: 1976-09-06
Abstract: 1511257 Template follower control system M KONDROLLOCHIS 6 Sept 1976 [4 June 1975] 24050/75 Heading G3N A template is on a drawing board K and a line thereon is followed by a photo-electric scanner which controls profiling tools G. The tools G are supported by rollers G1 movable along horizontal cross beam C in an x direction, the beam being movable in a y direction on rails A, B. The scanner (not shown) moves up and down beam E in the z direction on carrier D to scan board K which is fixed by lock X, the x direction movement of tool G corresponding exactly to the z direction scanner vertical movement. The scanner output controls motors H, K1 so that the tool follows the board template profile.
Patent GB-165865-A (GB)
Title: Improvements in or relating to variable speed gear
IPC: F16H15/40
Filed: 1919-10-01
Abstract: 165,865. Vickers, Ltd., and Gray, P. W. Oct. 1, 1919. Variable-speed friction gearing comprises a ball C for transmitting power between elements such as a disc A and a roller B fixed in position, the ball C coacting with a " pressure " ball E movable with it in changing the speed. The ball E rolls along two fixed idle rollers D. The rollers D are pressed inwards, or the disc A pressed upwards by means such as a spring G<1>. A carriage F sliding upon rods f envelops the balls, holding them in position, and moving them laterally. The disc A may be forced into a socket A<x> integral with a spindle A<1>. An arrangement is described in which the disc and roller are replaced by two cones.
Patent GB-1267402-A (GB)
Title: Apparatus comprising ink fountain
IPC: B41F31/04
Filed: 1969-05-12
Abstract: 1,267,402. Inking apparatus. COLOR CONTROL SYSTEMS Inc. 12 May, 1969 [14 May, 1968], No. 24092/69, Heading B6C. An ink fountain for use on a printing machine comprises a fountain roller 12, a fountain blade 22 and fountain keys 28 which co-operate with the blade 22 to control the flow of ink on to the roller 12, each key being provided with a dial 32 associated with a pointer 40 so that adjustment of the keys to various particular settings, previously determined to suit different printing runs, can be effected easily. The dials are colour coded to facilitate approximate adjustment, and the dials on adjacent keys may be arranged in the staggered manner shown.