baber/WOPTO huggingface dataset:
Patent GB-1407608-A (GB)
Title: Colour picture tubes
IPC: H01J29/07
Filed: 1972-08-31
Abstract: 1407608 Colour television tubes HITACHI Ltd 31 Aug 1972 [3 Sept 1971 1 Nov 1971] 40355/72 Heading H1D A colour picture tube comprises a colour selection electrode assembly including a shadow mask having a peforated central area 22 for transmitting an electron beam, an imperforate peripheral portion 23 surrounding the central area, an integral peripheral side 24 and a supporting frame 30 welded to the side, one or more cushion zones 26 being formed in the side by weakening the mechanical strength thereof so as to obviate maldistribution of thermal stress in the mask. The cushion zone may be provided with a plurality of small perforations, blind openings or grooves, or by decreasing the thickness thereof. Fig. 3 (not shown). In Fig. 1 (not shown), perforations (25) may be formed over all side 24 or in areas around equally spaced spot welds connecting frame to side. The mask may be 0À15 mm. metal sheet with central perforations at a pitch of 0À50, 0À60 or 0À70 mm., and perforations (25) with a diam. of 0À15 to 0À45 mm. and 10 to 60% density. Perforations (25) and (21) may have equal diameters. In Fig. 2, cushion zone 26 is formed in peripheral portion 23 as well as side portion 24. Blind openings 28 preferably have the same diameter as perforations 21. The mask expands in the direction of the electron beam passage 40, and the centre portion especially is freed from degradation of colour purity and colour shading. As alternatives, the inner side of the mask may be cut away. Reference is made to phosphor dot triads, a 0À2 mm. thick mask, and slit or zig-zag type colour selection electrodes.
Patent GB-1478718-A (GB)
Title: Demountable archery bow
IPC: F41B5/00
Filed: 1974-09-17
Abstract: 1478718 Archery bows VICTOR COMPTOMETER CORP 17 Sept 1974 [15 Oct 1973] 40357/74 Heading A6S An archery bow comprises a handle 12, and two limb members 14, 16 mounted thereon, the handle having at each end a forward facing abutment surface 40 and a flange 46 providing a rearward-facing abutment surface 48. the two surfaces forming a socket 32, 34 to receive an end portion of a limb. A band 60 is mounted on the handle for retaining each end portion of a limb in a respective socket, and may include a detent means provided by a tang 76 to engage in a groove 96 provided in the end portion of a limb. A rib 50 constitutes a limb abutment and cooperates with a notch 94 in the limb. The handle may be made in one piece of cast metal and the limb which may be of fibre glass may be provided at its mounting end with a pad 90.
Patent GB-1080327-A (GB)
Title: New bisoxidosteroids and process for their manufacture
IPC: C07J71/00
Filed: 1964-10-05
Abstract: The invention comprises D 20-11b ,18:18,20-bis-oxido-pregnene compounds, and a process for preparing them wherein 21-unsubstituted 11b ,18 - oxido - 18 - hydroxy - 20 - oxo - pregnane compounds or reactive, functional 20-oxo-derivatives thereof are reacted with a Lewis acid in an anhydrous inert medium, and, if desired, the products are then hydroxylated or epoxidized in the 20,21-position and the epoxides split hydrolytically or acylolytically and, if desired, are 21-esterified to give 11b ,18-oxido - 18,21 - dihydroxy - 20 - oxo - pregnanes or 21-esters thereof, which are tautomeric with 11b ,18:18,20 - bis - oxido - 20,21 - dihydroxy-pregnanes. The starting materials may be 5a - or 5b -pregnenes or their 19-nor derivatives which may contain additional double bonds or substituents, i.e. free, esterified or etherified hydroxyl groups, free, ketalized or enolized oxo groups, lower alkyl or alkylene groups or halogen atoms, in the ring system. Lewis acids include Grignard compounds, boron and aluminium halides and alcoholates, aluminium trialkyls and dialkyl aluminium hydrides, and solvents include liquid hydrocarbons and ethers and mixtures thereof.  If 20-ketals are used as starting materials, primary products, particularly at low temperatures, are 11b ,18:18,20 - bis - oxido - 20 - OR - 21 - unsubstituted -pregnanes (wherein R is the residue of the ketal group), and these are converted into the required products by raising the reaction temperature or prolonging the reaction action period. The starting material may be an 18,11-lactone of an 11b -hydroxy-20-oxo-pregnane-18-acid or a 20-ketal thereof, and this is converted into the required starting material under the reaction conditions, especially with a dialkyl aluminium hydride. Examples are given, the conversion of the product D 5,20-3,3 - ethylenedioxy - 11b ,18:18,20 - bis - oxido-pregnadiene into 21-O-acetylaldosterone via D 5 - 3,3 - ethylenedioxy - 11b ,18 - oxido - 18,21-dihydroxy-20-oxo-pregnene being described.
Patent GB-930624-A (GB)
Title: Improved electron emitter
IPC: G21D7/04
Filed: 1961-11-14
Abstract: 930,624. Thermionic converters; cathode materials; nuclear fuel. GENERAL DYNAMICS CORPORATION. Nov. 14, 1961 [Nov. 15, 1960], No. 40753/61. Classes 39 (1) and 39 (4). A thermionic converter electron emitter is formed by a carbon-containing nuclear fuel body, in which substantially all the carbon is in the bound carbide form. As shown, a thermionic converter cell is supported by ceramic insulator 47 in a fuel element 11 for use in an atomic reactor, and comprises an electron emitter 13 surrounded by a nickel anode 15 which forms part of the cell envelope and is surrounded by stainless steel cooling coils 23. At the emitter operating temperature of 1000‹ to 2000‹ C., the cell contains caesium vapour at a pressure of 10<SP>-6</SP> to 1 mm. of Hg, a caesium pool 25 being provided in copper stem 49. The emitter is zirconium-brazed to a niobium coupling 35 in ceramic insulator 45, and is thereby connected to copper or silver conductor 37 and carbon terminal 39, the anode being connected to copper lead 21. The emitter 13 comprises a nuclear fuel body of uranium carbide with or without zirconium carbide and is substantially free of unbound carbon. Also in the formula UC n , n is less than 1.8 if the emitter comprises UC alone, and less than 1.4 if the emitter includes ZrC, so that caesium corrosion does not readily occur. The emitter may be formed from powdered carbides by hot-pressing techniques employing pressures of 2000 p.s.i. at 1500‹ C. and above, with or without annealing, or by arc melting and casting carbide particles. Specific examples and dimensions are given.
Patent GB-998516-A (GB)
Title: Improvements in water service saddle
IPC: F16L41/06
Filed: 1962-10-29
Abstract: 998,516. Band clips. DRESSER INDUSTRIES INC. Oct. 29, 1962 [Oct. 30, 1961], No. 40781/62. Heading E2B. [Also in Division F2] A water service saddle has a control conduit 14 comprising a base 13 and lateral portions, a pair of metallic pipe encircling straps 20, 21, guide means 16, 17 on the lateral portions for positioning the straps, and a lug assembly L common to both straps for tightening the straps about the pipe. The tightening means L comprises two members 22, 23 each with a base 24 shaped at each of its ends to engage the curved surface of the pipe and to provide a profile for the ends of the straps 20, 21 to be wrapped round it. The straps have openings into which projectors 29, Fig. 2, enter. The tightening is done by a bolt B which passes between webs 33, 34 on the members 23 and has a squared portion 38, which engages the inside faces of the webs and holds the bolt against rotation, and has a head 37 that is engaged and retained in position by overhanging tabs 35. The bolt also passes through an opening 32 in an ear 31 on the member 22, where it is held down by a nut 40. In a modification, instead of the projectors 29, each base 24 has a pair of recesses 42, Fig. 9, and a tang or tab 44 is struck from each strap and hooked round an edge 43 of the recess.
Patent GB-874344-A (GB)
Title: A process for the stabilization of sulphur trioxide or oleum
IPC: C01B17/90
Filed: 1958-12-17
Abstract: Liquid SO3, or 90-100% oleum, is stabilized at below 16 DEG C. by adding an aliphatic ether thereto, e.g. dimethyl-, diethyl-, or methylethylether.
Patent GB-1222776-A (GB)
Title: Method and apparatus for producing a multi-layer printed circuit plate assembly
IPC: H05K3/46
Filed: 1969-08-15
Abstract: 1,222,776. Laminates. HITACHI Ltd. 15 Aug., 1969 [23 Aug., 1968], No. 40862/69. Heading B5N. [Also in Division H1] A method of producing a multi-layer printed circuit plate assembly comprises forming an assembly consisting of a plurality of printed circuit plates and at least one layer of semi-cured thermosetting adhesive (e.g. glass-cloth impregnated with a semi-cured resin) interposed between adjacent plates, compressing and simultaneously heating the assembly to effect bonding of the plates, and exhausting air from the interspace between adjacent plates continuously from a time immediately before or at the start of compression at least to a time when the adhesive layer(s) is molten and cured. The plates may comprise a substrate of a vitreous epoxy resin having circuit wirings formed on both surfaces thereof by etching. Holes may pass through the plate assembly to electrically connect the circuit wirings by means of plated coatings. Apparatus for effecting the above process comprises upper and lower heating plates 21, 22, the latter being on a ram 25 for vertical movement, a vacuum packing jig 24 and jig holder 23 mounted on one of said heating plates, a vacuum pump 26 communicating with the holder via a conduit 27 and a strip 28 on the lower heating plate for engagement, when the plate abuts the jig 24, with a microswitch 29 which is electrically connected to a time switch on the vacuum pump.
Patent GB-1128965-A (GB)
Title: Improvements in or relating to electrical movements
IPC: G01R5/04
Filed: 1967-09-08
Abstract: 1,128,965. Electric meters; potentiometric measurements. HONEYWELL Inc. Sept. 8, 1967 [Sept. 12, 1966], No.41127/67. Headings G1Q and G1U. [Also in Division H1] Three spaced magnetic members at least one of which is magnetized are so arranged that a magnetic field is set up in each of the gaps between one of them and the other two, and each or these fields acts on a respective one of two linearly movable coils. The coils are mechanically interconnected so that movement of one of them causes an oppositely directed movement of the other, and they are also electrically inter-connected for energization by a common input. Fig. 1 shows a meter movement with such a magnetic system. The two vertical members 14 and 16 are linked by horizontal members 10 and 12 to form a frame within which is situated a third vertical member 18 permanently magnetized in a horizontal direction in the plane of the frame. This sets up a uniform magnetic field in each of the spaces between member 18 and members 14 and 16. Members 14 and 16 could themselves be magnetized either instead of or as well as the member 18. The two coils 20 and 22 each embrace a respective one of the frame members 14 and 16 and are connected together by wires 60, 62 wrapped round pulleys 54 and 58. A second set of wires (not shown) and pulleys (only one of which, 56, is shown) complete the mechanical connections between the coils. Each coil counter-balances the other. Wires 60 and 62 also provide electrical inter-connection between the coils, connecting them either in parallel or in series. A pair of input conductors 64, 82 are connected to resilient wires 68, 78 which engage the conductive spindles of pulleys 54 and 58 in the manner of slip rings. The direction of winding of the coils is such that the input current causes one coil to move upwardly and the other downwardly. Each coil carries one of the horizontal shafts 88 and 90, the former of which carries the wiper 86 of a potentiometer 84 and the latter a pointer 94. To use the above movement as a volt meter the input voltage e i  is applied to a comparison circuit 96 in opposition to a feedback voltage e fb  derived from the potentiometer wiper 84, whose fixed terminals are energized by a reference voltage source (not shown). The output current i 1  from circuit 96 is applied to the moving coil system which thus comes to rest when e i  = e fb  at a deflection corresponding to e f   b  and thus to e i .
Patent GB-1112736-A (GB)
Title: Mould
IPC: B29C45/16
Filed: 1966-09-15
Abstract: 1,112,736. Moulding plastic material. SOC. D'ETUDE DE TECHNIQUES INDUSTRIELLES ET DE CONSTRUCTION DITE. 15 Sept., 1966 [21 March, 1966], No. 41237/66. Heading B5A. A mould for moulding articles in a plurality of colours or from a plurality of materials includes a fixed female die 1 and a movable male die 2, the space between them corresponding to at least part of the article to be moulded, a part 7 of the die 2 being replaceable by a part 8 which, when placed in the mould, provides no space between it and the die 1. Thus, when the part 8 replaces the part 7, plastic material injected vertically through an orifice 31 fills only a zone 9 of the mould; at the next moulding stage the part 7 replaces part 8 and a material of different colour or kind is injected into the zone 10 through a horizontal injection head 30 having a heater 30 1 . The parts 7 and 8 may be received in a carriage moved horizontally by jacks so that either part can be brought into alignment with a jack 23 whereby the appropriate part can be placed by the vertical piston rod 23 1  of the jack in the mould, wherein it is held by a wedge 6. The carriage is guided by opposed recesses 14 1  in a pair of guide plates 14 depending from the mould. After moulding, the assembly 4 which carries the die 2 is moved to the left, and the article is removed therefrom by a mechanism including plates 5 1 , 5 2  carrying ejector tubes 13 which are moved to the right on rods 12 relative the die 2. The dies may include three mould cavities permitting the simultaneous moulding of three articles. Conduits for heating or cooling fluid are located in the assemblies 3 and 4. Alternatively, the parts 7 and 8 could form part of the male die.
Patent GB-1053558-A (GB)
Title: Improvements in or relating to operating mechanism for flush tanks or cisterns
Inventor: DURDY ARNOLD
IPC: E03D1/012
Filed: 1962-10-31
Abstract: 1,053,558. Water-waste-preventing cisterns. IDEAL-STANDARD Ltd. Oct. 17, 1963 [Oct. 31, 1962], No. 41273/62. Heading E1C. An actuating lever 3 for a flushing cistern with outer and inner portions 7, 12 (Fig. 1) has an intermediate portion 4 to rock about a fulcrum edge 5 of the cistern 1 and has a retaining device, such as a nib or lug 18, to engage with a recess 19 in the cistern wall to prevent undesired lever displacement. The outer and inner portions 7, 12 are integral with the portion 4 and are substantially in alignment. The portion 7 (Fig. 5) is substantially T - shape in cross - section and may be engaged by the hand or a chain may be attached at 11. The portion 12 comprises a substantially flat portion 13 of similar thickness to the web of the portion 7, a portion 14 of enlarged cross-section and a substantially flat portion 15 like the portion 13 for connection to a syphon-discharge device at 16. The nib or lug may be integral as at 18 in Fig. 1 or it may comprise an adjustable screwthreaded element 21 (Fig. 6) engaging in a part 23 of the lever 3 The fulcrum edge 5 is in a recess 6, at the top of a cistern wall for accommodating the portion 4 with side edges to prevent lateral movement of the lever 3.
Patent GB-1268620-A (GB)
Title: A method of detecting a helicopter over the sea
IPC: G01S13/536
Filed: 1970-08-27
Abstract: 1,268,620. Radar. DORNIER SYSTEM G.m.b.H. 27 Aug., 1970 [14 Nov., 1969], No. 41301/70. Heading H4D. In the radar detection of a helicopter just above the waves, the Doppler shift due to helicopter rotor blades motion is filtered out in the radar receiver.
Patent GB-1151458-A (GB)
Title: Bed-Pan
Inventor: CARLI MARIA MARGARITE
IPC: A61G9/00
Filed: 1967-09-12
Abstract: 1,151,458. Bed-pan. M. M. CARLI. 24 April, 1968 [12 Sept., 1967], No. 41469/67. Heading A4N. A bed-pan comprising a resilient cushion 1 having a water-tight cavity 2 therein positioned to receive liquid when used by a patient and a discharge pipe 3 in communication with the cavity and extending from the cushion to provide a drain outlet for the bed-pan.
Patent GB-1172487-A (GB)
Title: Driver's cabins for motor vehicles
Inventor: NOACK CHRISTIAN
IPC: B62D33/06
Filed: 1968-08-30
Abstract: 1,172,487. Vehicle cabins. KOMBINAT FORSCHRITT LANDMASCHINEN VEB. 30 Aug., 1968, No. 41515/68. Heading B7B. The cab of a harvester comprises a lower portion 5 having a window 2 and a sliding door 4 and a detachable upper portion 6 which contains a ventilating blower with air filters &c. The height of the lower portion of the cab preferably is less than that of the rest of the vehicle.
Patent GB-1499364-A (GB)
Title: Vaporising crucible for vacuum vapour deposition equipmen
IPC: C23C14/24
Filed: 1975-10-09
Abstract: 1499364 Crucibles LEYBOLD-HERAEUSVERWALTUNG GmbH 9 Oct 1975 [16 Oct  1974] 41529/75 Heading F4B [Also in Division H5] A crucible 10 is made from a plurality of adjoining sections 11 which are sealed together by elastic, electrically conducting material 17 (graphite felt) in the joints between adjacent sections 11, the sections 11 being pressed together by adjustable electrically conductive thrust members 20, 23 of an earthed conductive frame 18 embracing the section 11. The elastic conductive material 17, 21, 24, 29 ensures that all parts of the composite crucible 10 are earthed so that in electron beam heating build-up of electrostatic charge on the crucible, which can arrest electron beam heating, is presented. End sections 15 are provided to close the U- section trough 12 formed by the adjoining sections 11. The weight of the crucible 10 causes it to make good contact with a hollow fluid cooled bottom plate 25 of the frame 18. The crucible 10 may be used in arc heating or induction heating. The sections may be made of silica, and/or alumina. The crucible may be be heated by the direct passage of current therethrough.
Patent GB-907323-A (GB)
Title: Improvements in or relating to axial flow compressors
Inventor: SCHULER HEINZ
IPC: F01D17/16
Filed: 1958-12-29
Abstract: 907,323. Axial-flow compressors. ENTWICKLUNGSBAU PIRNA VEB. Dec. 29, 1958, No. 41810/58. Class 110 (1). In a multi-stage axial-flow compressor operating at variable rotor speeds and having a number of consecutive rings of adjustable stator or rotor blades, or both, following the first rotor blades, the pitch of the adjustable blades is adjusted in dependence upon the flow coefficient (i.e. the ratio between the axial velocity of the fluid and the circumferential speed). Fig. 7 shows a ring of stator blades 4<SP>3</SP>, journalled at their outer ends in bearings 36, 37 carried by the compressor casing and steadied at their inner ends by the engagement of pins 6<SP>3</SP> with a ring 3<SP>3</SP> which is not connected to the outer casing. The blades are connected to a channel-section actuating ring 7<SP>3</SP> by means of levers 25<SP>3</SP> and pins 41. The actuating rings 7<SP>3</SP> and the actuating rings 7<SP>31</SP>, 7<SP>311</SP>, Fig. 6, of two further stages are turned in unison by means of a common control rod 45, connected to the rings through bell-cranks 47, 49, 51 and links 55, 56, 57. The bell-cranks 47, 49, 51 differ in size as shown to give different amounts of blade pitch adjustment in the three stages. The control of the blade pitch is effected automatically through electrical or hydraulic means in accordance with the flow coefficient. In a modification, the actuating rings are connected to cranks attached to the inner pins of the stator blades, the control means being connected to the outer pin of one, or each of several, of the blades of each ring of stator blades.
Patent GB-1415587-A (GB)
Title: Method and apparatus for non-invasive biophysical diagnosis
IPC: A61B8/00
Filed: 1973-09-05
Abstract: 1415587 Ultrasonic diagnostic devices TECHNICON INSTRUMENTS COKP 5 Sept 1973 [18 Sept 1972] 41829/73 Heading H4D Ultrasonic medical diagnostic apparatus, for examination of a body part by a broad-band pulse-echo method, has provision for computing from the echo signals values of the acoustic impedance of the part and for relating these values to the biophysical activity time-scale of the part. In the Fig. 17 embodiment the part is scanned in lines or plane sections by linear transducer arrays 104, 106 used in conjunction with broadband pulse-generator 108 and beam-formers 109, 111. By a deconvolution process the energy transfer function H(t) of the body part (where t = time) can be computed from the envelope of the transmitted pulse and of the echo pulse. To this end, normalized samples Xn(#) of the transmitted pulse X(#) are calculated and stored at 114, then combined at 116, 120, 124 and 126 with samples Yn(#) of the echo pulse obtained from receiver processing units 112, 118. The function H(t) is integrated at 128 and further processed as indicated at 130 to give a value of the acoustic impedance. Profiles of the acoustic impedance value as a function of time or distance are displayed as A-scan and B-scan images in real time on oscilloscopes 132, 134. The profile for a selected depth within the body part is obtained by range-gating the echo signals. The profile for a selected time on the biophysical scale is obtained by appropriate synchronizing of the display, e.g. with a signal from an electrocardiograph. The latter signal is also displayed, with highlighting of the selected time. The profile has a width indicative of the separation of two surfaces of the body part; hence contraction or stretch of the part can be investigated. For this purpose the function H(t) is converted at 136 to digital form, then processed at 146 to give signals representing the profile width S, its velocity of change ds/dt, and its acceleration of change d<SP>2</SP>s/dt<SP>2</SP>. Also obtained at 146 are signals indicating the rate of change α of impedance across the profile and the acceleration dα/dt of the impedance change. The signals from 146 drive respective threedigit displays. A matrix of narrow-beam transducers may be used instead of the beam-forming arrays 104, 106.
Patent GB-1128920-A (GB)
Title: A converter for continuous acid-saccharification of starch
IPC: B01J19/24
Filed: 1965-10-01
Abstract: 1,128,920. Sugars. NIPPON SHIRYO KOGYO CO. Ltd. 1 Oct., 1965 [22 Oct., 1964; 21 Aug., 1965], No. 41847/65. Heading C2C. [Also in Divisions B1, C3 and F4] A converter for continuous acid - saccharification of starch comprises a vertical multi-tubular heat-exchanger and a plurality of parallel and vertical reaction tubes interconnected with themselves and with the heat - exchanger and provided with rectifying plates or elements having numerous small orifices installed in the reaction tubes so as to rectify the turbulent flow. The heat-exchanger may consist of a central steam pipe, an annular heating or reaction chamber surrounding it, a steam jacket surrounding the heating chamber, and steam tubes located in the heating chamber. The reaction tubes may be interconnected by 3-way cocks so that routing of flow in the tubes may be varied. In one embodiment (Fig. 1) a starch slurry from tank 13 is fed to the lower end of heatexchanger 17, and thence, from the top of the heat-exchanger to reaction tube 18. The slurry then passes through successive reaction tubes 19, 20 to flash tank 22. Hydrolysates of varying character may be produced by varying the flow distance of the slurry through one or more reaction tubes by operation of 3-way stopcocks 25, 26, 27, 31 and 32 and connecting pipes 29, 30. In order to avoid turbulence when slurry gushes into the foot of a reaction tube from a connecting pipe, the reaction tubes are provided with perforated plates or wire mesh screens which rectify the flow. There may be three plates 33, 34, 35 spaced apart on a central spindle 37 (Fig. 2). The length-to-diameter ratio of the reaction tubes is such as to result in a uniform flow rate of starch slurry of 1-3 cm./sec. Examples are given of the conversion of starch to mixtures of dextrins and lower saccharides by acid hydrolysis with oxalic acid.