baber/WOPTO huggingface dataset:
Patent GB-1398502-A (GB)
Title: Method and apparatus for discharge of coke from coke ovens
IPC: C10B39/14
Filed: 1973-02-05
Abstract: 1398502 Collecting gases generated during discharge of coke ovens WAAGNER-BIRO AG 5 Feb 1973 [7 Feb 1972] 5682/73 Headings F4X and F4B Coke discharged from a coke oven 14, passes through an enclosed guide 42 into a bunker 48 before being discharged on to a conveyer 62a or 62b. The gases given off by the coke in enclosure 42 are collected in an exhaust duct 52 and cleaned in cleaning apparatus not shown, before being released to atmosphere. In a further embodiment the gas cleaning apparatus is mounted on a carriage with the guide means. In the embodiment shown cooled gas is delivered through an open mesh conveyer 54 to dry quench the coke.
Patent GB-1036618-A (GB)
Title: Preparation of butyl rubber
IPC: C08F36/04
Filed: 1964-02-11
Abstract: High molecular weight butyl-type rubbers of high or low unsaturation are prepared by polymerizing a mixture of a C4 to C7 isoolefine with up to 25 weight per cent of a C4 to C10 multiolefine based on the isoolefine, in the presence of an alkyl aluminium halide catalyst having a molar ratio of alkyl groups to halogen atoms in the range 0.4:1 to 0.7:1, the halogen being chlorine or bromine dissolved in an alkyl halide or polyhalide or hydrocarbon solvent.  Less than 0.1 weight per cent of water or hydrogen halide promoters, based on the total reaction mixture, is present in the reaction zone.  In a preferred embodiment 10 to 25 weight per cent of multiolefine, preferably isoprene, based on the isoolefine, preferably isobutylene, is used, and the polymer obtained has a viscosity average molecular weight above 300,000.  The polymerization temperature is in the range -120 DEG  to -160 DEG  F. and the preferred alkyl halide solvent is methyl chloride.  The preferred hydrocarbon solvents are C4 to C8 paraffins. Cyclodiolefines such as cyclopentadiene and methylcyclopentadiene may be incorporated in amounts up to 6 weight per cent based on the isoolefine, with the amount of acyclic diolefine then being between 2 and 6 weight per cent based on the isoolefine.  Copolymers having a high unsaturation, e.g. 5 to 12 mole per cent, terpolymers having a relatively high unsaturation, e.g. 1.4 to 4 mole per cent and butyl rubbers having a low unsaturation may be prepared by this invention.  The preferred catalyst of ethyl aluminium dichloride may be prepared by contacting solid aluminium chloride with aluminium triethyl at temperatures from -70 DEG  to -110 DEG  F. to dissolve solid aluminium chloride and obtain a solution containing preferably 0.2 to 0.1 weight per cent of aluminium chloride.  To this solution is added aluminium triethyl in the amount necessary to provide the desired ratio of alkyl groups to halogen atoms. The polymers may be cured using conventional curing agents.
Patent GB-553774-A (GB)
Title: Improvements in or relating to the electrode structure of electric discharge devices
IPC: H01J13/38
Filed: 1942-04-29
Abstract: 553,774. Discharge apparatus. WESTING- HOUSE ELECTRIC INTERNATIONAL CO. April 29, 1942, No. 5783. Convention date, April 24, 1941. [Class 39 (i)] A high-resistance starting electrode of a mercury pool discharge device of the ignitron type comprises a mass of insulating material 11 such as lava or ceramic having depressions, such as a screw-threaded groove 13, in which a tungsten conductor 17 is embedded by high-resistance material 21. At one end the wire 17 is wrapped round a thicker connecting wire 18 which is also embedded. The material 21 is preferably a mixture of equal parts of boron and silicon carbides with 1-5 per cent of free silicon : mixtures of 90-50 per cent boron carbide and 10-50 per cent boron nitride might be used. The whole outside of the electrode is then covered with a crystalline powder, such as silicon carbide pass-, ing a mesh of 60 holes per linear inch, and sintered. When immersed in a mercury pool the resistance from conductor 17 to the pool remains constant independent of the extent of immersion, and is thus unaffected by variations in working conditions. The envelope of the device may be of glass or metal.
Patent GB-1115991-A (GB)
Title: Improvements in and relating to lighting control apparatus
IPC: B60Q1/14
Filed: 1965-02-10
Abstract: 1,115,991. Transistor delayed switching circuits. J. HAYES, and D. J. D. BROWN. 9 Feb., 1966 [10 Feb., 1965], No. 5822/65. Heading H3T. [Also in Division G1] Vehicle lighting control apparatus has a photo-electric cell responsive to light and a trigger operated thereby including feedback means such that the light level at which the trigger means changes state is greater for increasing light levels than for decreasing light levels. The light-sensitive cell is a cadmium sulphide resistor 1 and is connected to a twostage transistor amplifier, the second transistor 5 having as its collector load a relay coil (13, Fig. 1, not shown) or (as shown in Fig. 2) a resistor 16 forming part of a transistor driver stage for relay 13. A capacitor 11 causes a delay between reception of light by the resistor 1 and actuation of the relay. The release level for the relay is much lower than the trigger level due to the presence of resistor 12 which introduces voltage feedback.
Patent GB-1144747-A (GB)
Title: Sensing device
Inventor: INGLEFIELD SAMUEL
IPC: G01B5/20
Filed: 1967-02-07
Abstract: 1,144,747. Sensing surface contours. IMPERIAL CHEMICAL INDUSTRIES Ltd. Jan.3, 1968 [Feb. 7, 1967], No.5838/67. Heading G1M. A sensing device for surface contours comprises sensing rollers 5, 12 mounted respectively on shaft 1 and rod 9, rod 9 extending through shaft 1, the opposite ends of the rod and shaft supporting a rod 14 and micro-switch 7, such that on meeting a surface depression the rollers 5, 12 are relatively displaced to cause actuation of the micro-switch 7 by rod 14, when a predetermined relative angular displacement is reached. The sensing device may be moved relative to the surface or vice versa. The device may be used for detecting the absence of closures in bottle necks.
Patent GB-901023-A (GB)
Title: An explosive-actuated tool for driving anchoring members into hard materials
IPC: B25C1/14
Filed: 1959-02-20
Abstract: 901,023. Cartridge-actuated tools for driving anchoring members such as pins, bolts and the like; pins and bolts therefor. ANSTALT FUER MONTAGE-TECKNIK. Feb. 20, 1959 [Feb. 27, 1958], No. 5886/59. Classes 9 (1) and 119. [Also in Group XXV] An explosive tool for driving anchoring members into hard materials comprises a tubular guide 1 to receive the anchoring member 15 in one end, a recoil piston 2, 3 extending into the guide tube 1 and means for accommodating a propellent charge at an appropriate location along the guide between the piston 3 and the anchoring member 15 according to the length of the member 15 to be driven. On embodiment of the tool is shown in the " fired " position in Fig. 1 where a cartridge 12 is located in a chamber 11 in the piston head 3. A separate plunger 14 houses the rear end of the member 15 whose front end is located in the bore 20 of a detachable foot 29 of the tube 1 by springs (not shown) or by opposed permanent magnets 31 (one only shown at 31 of Fig. 1) and a centring washer 19. Fig. 5b shows the before-firing position when the tip of the member 15 rests on the work surface 21. The stem 2 of the piston passes through a friction ring 6 in the detachable head 5 of the tube 1 and supports a recoil-absorbing weight 7. Before firing the plunger 14 is located in the bore of the tube 1 by a friction ring 52 so that it covers exhaust ports 22 leading to an annular expansion chamber 23 and has a striker stud 18 aligned with the cartridge 12. A hammer blow on the weight 7 fires the cartridge which propels the plunger to drive the member 15 and to uncover the ports 22. To retain the cartridge the chamber 11 may be oval in section or the sides of the cartridge case may be bulged (Figs. 9 and 10, not shown). The shock of the discharge is absorbed by a washer 17 in front of the plunger 14 and by the weight 7. The anchoring member may be a pin, a nail, a bolt or the like of any of the forms shown in Figs. 1, 5b, 11 or 12. The cartridge may be located in a chamber in the head of the anchoring member or in the lower surface of the plunger 14 and in the latter instance the tap of the anchoring member will carry a striker stud 47. Alternative firing means may comprise a pistol grip 36 with a trigger 37 and firing spring 33, as in Fig. 6. A number of embodiments in Figs. 13 to 16 (not shown) include various safety devices, such as two varieties of marking device which obtrude in the path of the member 15 when the tool is not in operative contact with the worksurface, means for the propellant gases to escape ineffectually, or means whereby the piston 2, 3 to be rotated by a spring to misalign the striker 18 and the cartridge 12 when the tool is not correctly positioned for firing. A spring-loaded cover, retained by a catch, may be provided to protect the weight 7 from accidental blows under similar conditions.
Patent GB-310133-A (GB)
Title: Improvements relating to shuttles of looms for weaving
IPC: D03J5/08
Filed: 1928-02-25
Abstract: 310,133. Pilkingtons, Ltd., and Pilkington, R. Feb. 25, 1928. Shuttles.-Relates to shuttle pegs of the kind having a cylindrical portion B integral with the head portion A and a main portion C screwed on to the part B, a flanged sleeve D being arranged on the part B and adapted to compress and expand a rubber ring E, a spring, or a split ferrule when the peg is moved into working position by the action of the sleeve against cam surfaces F on the shuttle, and consists in making the part C very light by constructing it as a tube or of aluminium or other light metal which may also be tubular whereby the shuttle is adapted for weaving artificial silk. In a modification, the peg is provided with gripping members adapted to be displaced outwardly by engaging metal plates fixed in the shuttle.
Patent GB-713126-A (GB)
Title: Inhibition of corrosion of cargo tanks of marine vessels
IPC: C23G1/19
Filed: 1952-03-07
Abstract: Ferrous metal cargo tanks or compartments of marine vessels adapted to transport liquid cargoes are cleaned and the corrosion thereof inhibited by treating the inner surfaces of the tanks with fresh water solution of an alkaline reacting substance, the 0.01 molar aqueous solution of which has a pH of at least 7.8, the solution being then separated from impurities removed and recovered for further treatment.  The alkaline reacting substance may be sodium hydroxide, sodium carbonate, lime, potassium hydroxide, ammonia, potassium phosphate, borax or sodium acetate. Specifications 581,341, [Group XVIII], and 686,184 are referred to.
Patent GB-452488-A (GB)
Title: Electromagnetic light-control apparatus for recording sound films and the like
IPC: G11B7/00
Filed: 1935-02-25
Abstract: 452,488. Current and pressure meters. HUGERSHOFF, H., 92, Hoferstrasse, Leipsic, Germany. Feb. 25, 1935, No. 6015. [Class 37] [See also Group XXXVIII] An electromagnetic light-controlling apparatus for recording sound on films comprises an armature 4 carried by a strip 5 of steel or bronze secured at its ends in rotatable posts 8, the armature being arranged between the two poles 6 of a permanent magnet 1 on the one side and a core 3 carrying the variable current coil 2 on the other. The core 3 is preferably constructed from minute particles of iron insulated from one another and combined into a unit by compression. The poles 6 are formed as steel bolts with chamfered ends and are rotatably mounted for adjustment purposes in iron blocks 9 and in upstanding portions 7 of the sub-base plate 7, the whole assembly being rigidly held together by clamps 10. The magnet 1, which is in the form of a segment of a circle, abuts against the portions 7<1> and is held in position by the cover 13. The armature carries a stop 17 adapted to interrupt to a varying extent light passing through apertures 16 in the cover 13 and base plate 12. Alternatively, the armature may carry a mirror, in which case the construction is modified so that the light enters and leaves through the side of the device. In order to adjust the stop or mirror with respect to the light beam, the sub-base plate 7 is rotatably mounted on a projection 11 on the base plate 12. This base plate is formed with projecting ledges 15 of dovetail or like form adapted to engage in grooves or guides of corresponding form in a suitable support for the purpose of mounting the apparatus between the light source and the film.
Patent GB-468204-A (GB)
Title: Self-angling apparatus
IPC: A01K91/02
Filed: 1937-03-01
Abstract: 468,204. Fishing. GEGERFELDT, E. L. March 1, 1937, No. 6030. [Class 48] A self-angling apparatus consists of a float 4 with ring 2 and socket 3 mounting an axle 1 having above the float arms 9 with wind-vanes 10 and below the float a swivel 5 for an anchor 6 and an arm 7 for tackle 8. The vanes 10 may be replaced by floats turning on their arms and driven by the water current. For ice fishing, the float 4 is dispensed with and the ring 2 placed around a hole in the ice.
Patent GB-1487740-A (GB)
Title: Side-looking coherent pulse radar systems
IPC: G01S7/10
Filed: 1974-11-25
Abstract: 1487740 Sideways looking radar MARCONI CO Ltd 25 Nov 1974 [12 Feb 1974] 6305/74 Heading H4D In a side-ways looking, preferably airborne radar, in which pulses of coherent radiation are transmitted laterally from the carrying body and the resulting echoes are demodulated in coherent detection means to produce a pair of mutual phase quadrature waveforms exhibiting Doppler frequency modulation from one pulse repetition period to the next, which are converted into digital form as described U.K. Application 20054/73, a predetermined number of pairs of so produced samples corresponding to a predetermined number of range increments being stored along with a fixed number of previously received samples, and the pairs of samples so stored are separately correlated with at least two reference frequency modulated digitized waveforms having their centre frequencies mutually offset by less than the system p.r.f. The correlated signals from each separate correlation processor are converted to a unipolar signal by having their phase quadrature components summed to detect the moduli thereof in respective indicators, to produce output positive unipolar signals, means being provided to subtract from these signals, parameters dependent on the carrying body velocity relative to, e.g. the earth, and means being provided for comparing the signals so derived from each of the correlation processors to obtain parameters defining the target velocity relative to earth. In the embodiment described, four correlation processors 141-144 have the centre frequency of their swept correlation reference frequency mutually displaced by D kHz which is less than the p.r.f., so that a target is seen by, e.g., processor 141 t seconds before processor 142, t being dependent on the centre frequency difference D kHz, the radar wavelength, the slant target range and the carrying body constant velocity C. The relative position of the target on consecutive processors at t second intervals allows detection of the target velocity relative to the carrying body in terms of the linear displacement of the two unipolar signals, e.g. on two adjacent indicators 151, 152, whereon the target radial velocity is the distance Vrt, and the target velocity parallel to the carrying body displacement is the distance Ct+2Vat where C is the carrying body velocity, all relative to earth. Comparator 16 receives the signals from, e.g. indicators 151, 152 and subtracts the parameter Ct in the above expression to obtain the target velocity components relative to earth which are displayed on indicator 17. Alternatively two photographs at t second intervals of each indicator 151, 152 may be taken whereupon stationary targets will be superimposed when the photographs are superimposed and moving targets will be transposed, measurement of which transposition distance gives the target velocity components. A plurality of correlation processors are used to improve detection of moving target representative signals.
Patent GB-575789-A (GB)
Title: Improvements in and relating to thermostatic switches
IPC: H01H37/60
Filed: 1944-04-05
Abstract: 575,789. Thermal switches. BRITISH THOMSON-HOUSTON CO., Ltd. April 5, 1944, No. 6360. Convention date, April 10, 1943. [Class 38 (v)] A thermostatic switch consists of a metal base, having a movable snap-action contact member 15 mounted at one end and an integral return bend 23 at the other, and a bimetal arm 21 secured to the return bend as shown in Fig. 2, and connected to the contact member by spring 24. A screw 26 is provided for adjustment of the bimetal arm. The contact member 15, shown in detail in Fig. 5, is mounted on a support 13, shown in detail in Fig. 6, which is riveted to and insulated from the base, the knife edges 17 being pivoted in the bend 16 of the support 13.
Patent GB-627244-A (GB)
Title: Improvements in and relating to straight bar knitting machines
IPC: D04B15/64
Filed: 1945-03-14
Abstract: 627,244. Knitting-machines. COTTON, Ltd., W., and MACDONALD, W. G. March 14, 1945, No. 6368. [Class 74 (ii)] A lug 1, by which a carrier rod 2 of a straight bar machine is driven by a driving bolt driven from the tie bar, has a recess 3, and a plate 5 is pivoted in a slot 4 in the lug and is held partly protruding in the recess by a spring 8 so that when the rod engages a stop the plate yields to the bolt and absorbs the shock. The lug is described in connection with mechanism for introducing carriers into operative position from the rest position beyond the selvedge. This mechanism comprises pegging-out bolts carried in a box which is slidable on shafts, and patterning mechanism by which the pegging- out bolts are selected for operating the required carriers. The drum of the patterning mechanism is keyed to slide along a shaft which is racked at appropriate intervals to effect further selection by means of racking mechanism.
Patent GB-452847-A (GB)
Title: Improvements in or relating to corrosion preventatives and methods of preventing corrosion
IPC: C09D5/08
Filed: 1935-02-28
Abstract: A corrosion preventative, particularly for application to metals of the iron group, comprises a mixture of zirconium oxide, aluminium, aluminium silicate, talc, magnesium oxide, sodium carbonate, barium sulphate, zinc oxide, minium, basic lead carbonate, amorphous chromic oxide, cupric oxide, nickel cyanide, lead monoxide, and titanium white or an ilmenite.  The mixture may be fused on or rolled into the surface to be protected, or may be made into a paint by mixing with a binding agent such as linseed oil, with or without wood oil, and a diluent such as petrol, benzol or toluene.  Graphite may be added to the mixture when it is to be applied as a paint.  It is stated that the application of the mixture to a metal surface renders the surface passive, not only under the coating, but also at some distance therefrom.
Patent GB-1254531-A (GB)
Title: Handling and testing tools for use with semiconductor devices
Inventor: COFFIN GEORGE
IPC: G01R1/073
Filed: 1968-02-09
Abstract: 1,254,531. Picking up and holding tools. JOSEPH LUCAS (INDUSTRIES) Ltd, 3 Feb., 1969 [9 Feb., 1968], No. 6461/68. Heading B4W. [Also in Division H2]. An electrical probe for handling and testing semi-conductor devices comprises a hollow body made of moulded synthetic resin parts 11; 12 which are screwed together and have continuous bores 13, 16, and a surrounding moulded synthetic resin sleeve 22 slidably mounted and ending in a hollow spigot 23. Conductive probe contacts 19, 21 contact the base and emitter of a transistor under test and have leads 26, 27 connected to an indicating instrument (not shown). The aperture 24, aligned with aperture 25 opens the inside space to atmosphere while transistors are being tested, but is closed when the sleeve 22 is moved to a second position in which the probe contacts are covered, thereby connecting a vacuum source (not shown) to sleeve 23 to pick up a transistor indicated as faulty. Only one probe contact is required when diodes are tested.
Patent GB-827077-A (GB)
Title: Improvements in and relating to bowl refractors for elongated light sources
Inventor: HOLMES JOHN GUYSCLIFFE
IPC: F21V13/04
Filed: 1956-03-01
Abstract: 827,077. Luminaires. HOLOPHANE Ltd. March 1, 1957 [March 1, 1956], No. 6484/56. Class 75(2) A luminaire for use with an elongated light source has a surface consisting of two part spherical sections 11 joined by a part. cylindrical or part toroidal section 12, all three sections being generated by the same circular arc, the middle section having light controlling ribs 17 each of which lies in the trace of a point on the generating arc and the two end sections each having two sets of circular arcuate controlling ribs 16 one within the other on opposite sides of the longitudinal median plane of the bowl. The ribs may run continuously over one end section, the middle section and the other end section. The system of ribs may be completely symmetrical and may be in the form of refracting prisms on the inside surface of the bowl. Some of the prisms may be of curved cross section or may be slightly spaced apart to provide some diffusion of the light. The bowl may be continued upwards to an eliptical opening by a surface having axial prismatic ribs 15. A pair of light controlling reflector panels 22 having straight or curved prisms may be provided inside the bowl and the ends of the bowl may also carry horizontal reflecting prisms on the outside. The internal panels may be inclined to the axis of the bowl Reflectors 21 may be arranged above the light source. The bowl may be supported by a flange 14 on its rim resting on a rubber gasket 24 in a frame 25 hinged to an upper metal fitting 27 having a tubular portion at one end adapted to fit on a horizontal arm on the lamp standard, the lamp holder 35 being also mounted on the fitting 27.
Patent GB-413604-A (GB)
Title: Improvements in or relating to microscopes and accessory apparatus therefor
IPC: B25J7/00
Filed: 1934-03-01
Abstract: 413,604. Microscopes. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. March 1, 1934, No. 6563. Convention date, March 2, 1933. [Class 97 (i).] To enable an object which is magnified by a microscope to be manually displaced through microscopically small distances, it is mounted on a carrier which is placed on a fixed support, and a thin layer of a viscous substance such as oil or grease is interposed between the carrier and its support so that the desired displacement can be effected by applying manual pressure to the carrier. In Fig. 1 the microscope slide 7 is mounted on a steel plate 2 which is placed on a steel plate 1 screwed to the stage 3. The adjacent surfaces of the plates are polished and a thin layer of grease is applied to the plate 1 before the plate 2 is slid onto it. The plates are formed with annular grooves 4, 5 into which superfluous grease can pass. Figs. 2 and 3 show a mounting for a tool 10 for manipulating single parts of a preparation under microscopic examination, this mounting comprising a carrier for the tool, a fixed support, and an intermediate member so arranged that small displacements of the tool can be effected in three directions at right-angles to each other. The tool 10 is fixed in a tube 11 having a milled head 12 and screwed into a plate 13, the polished surface of which rests against the polished surface of an annular plate 14 having an extension 15 of angular section which rests in a fixed support 16. Grease is interposed between the members 13, 14 and 15, 16. The weight of the tube 11 and plate 13 is balanced by a spring 18 suspended from a screw 19 in the member 14. By pressing on the head 12 in the direction of the axis of the tube 11 the tool 10 is displaced horizontally, and by pressing in a direction at right-angles to the axis, any desired movement in a vertical plane can be obtained, the plate 13 being displaced over the plate 14. The adjacent surfaces of the members 13, 14 may be spherically curved.