baber/WOPTO huggingface dataset:
Patent GB-1241823-A (GB)
Title: Radiation-curable compositions
IPC: C08J7/046
Filed: 1968-07-10
Abstract: 1,241,823. Radiation-curable adhesives. SUN CHEMICAL CORP. 10 July, 1968 [10 July, 1967 (2); 11 Oct., 1967; 24 Nov., 1967 (7)], No. 32966/68. Heading B5N. [Also in Divisions B2, C3 and G2] Compositions which are curable (i.e. polymerizable) by exposure to actinic or high energy ionising radiation, and which serve as laminating adhesives comprise (1) a radiation-curable component which includes a polyethylenically unsaturated (i.e. having two or more terminal ethylenic groups) ester of pentaerythritol or of a polypentaerythritol or a prepolymer of such ester; and (2) one or more photo-initiating compounds selected from (a) halogenated aromatic compounds, other than quinones, having at least one halogen atom bonded directly to the aromatic nucleus thereof; (b) halogenated aliphatic compounds containing more than two carbon atoms in the molecule; and (c) halogenated alicyclic compounds having at least one halogen atom bonded to the alicyclic nucleus thereof. The (poly)pentaerythritol ester (1) is suitably a di- or poly-acrylate, methacrylate or itaconate, or a dimer, trimer or higher oligomer thereof. The compositions may optionally include a polyethylenically unsaturated ester of an aliphatic dihydric or trihydric alcohol in the form of a monomer or prepolymer; these include, for example, acrylates, methacrylates and itaconates of glycols, polyglycols, trimethylol ethane and trimethylolpropane. Suitable photoinitiators (2) include polychlorinated polyphenyl compounds, chlorinated aliphatic waxes, perchloropentacyclodecane, chlorinated paraffins, mono - and polychlorobenzenes, mono - and poly - bromobenzenes, mono - and poly - chloroxylenes, mono - and poly - bromoxylenes, dichloromaleic anhydride, 1 - bromo - 3 - (m - phenoxyphenoxy) - benzene, 2 - bromoethyl methyl ether and chlorendic anhydride. The adhesive compositions may be cured by exposure to such sources as ultraviolet lamps, beams from electron accelerators, and gamma-ray emitters, e.g. cobalt 60; mixed combinations of such sources may also be used, simultaneously or consecutively. Other optional components in the curable compositions include film-forming compounds, e.g. p - toluene - sulphonamideformaldehyde resins, diallyl phthalate prepolymers and chain transfer agents. The substrates to be bonded may be combinations of materials selected from, for example, rubber, plastics, wood, metal, glass, textile and paper; at least one of the materials used must be capable of transmitting the radiation required for curing the adhesive. In examples the following materials are laminated: polymer-coated regenerated cellulose-oriented polypropylene film, copper sheet-polyethylene terephthalate film, polyethylene terephthalate film-oriented polypropylene film and cotton-oriented polypropylene.
Patent GB-830294-A (GB)
Title: Improvements in or relating to ultra-high frequency electron tubes
IPC: H01J23/30
Filed: 1957-10-22
Abstract: 830,294. Velocity-modulated tubes. SIEMENS & HALSKE A.G. Oct. 22, 1957 [Nov. 13, 1956], No. 32975/57. Drawings to Specification. Class 39(1). In an ultra-high frequency electron tube, such as a travelling-wave tube, including a slow-wave structure supporting an electromagnetic wave which interacts with the electron stream, at least part of the slow-wave structure is provided with an attenuating layer, the surface resistance of which is such that it lies on the descending part of the curve representing the attenuation of the layer plotted against its surface resistance, the surface resistance of the layer being defined as the D.C. resistance per unit area, measured between two opposite sides of a square surface section of arbitrary depth. By selecting the higher of the two values of the surface resistance at which a required attenuation is obtainable, the difference in the phase velocity of the wave in the damped and undamped parts of the wave structure is less than it would be with the lower value, and consequently the amplification of the tube is greater.
Patent GB-618635-A (GB)
Title: Improvements in or relating to turbine drives particularly for use in aircraft propulsions
IPC: F01D25/26
Filed: 1946-11-06
Abstract: 618,635. Gas turbines. UNITED AIRCRAFT CORPORATION. Nov. 6, 1946, Nos. 32995 and 32996. Convention dates, Jan. 28, 1944. [Class 110 (iii)] The stator 130 and rotor 112 of a gas turbine are separately supported within a cylindridal housing 114. The front bearing is carried in a split end portion of the housing. The casing and the rear bearing support 122 are supported and positioned by sets of radial pins 116 and 128 which are slidingly supported in the housing. The pins 116 are screwed into bosses 136 on the casing and the pins 128 are screwed into radial arms 126 on the bearing support 122. Alternatively, the pins slide in the casing and bearing support and are flanged at their outer ends and held in place in the housing by cover plates. The nozzle box 138 is attached to the stator. The exhaust duct 140 is supported by the pins 128 which pass through holes in the duct wall and it is attached to the turbine outlet by an expansion joint 160. Cooling air passes between the housing and the turbine. Specification 617,828 is referred to.
Patent GB-1359209-A (GB)
Title: Apparatus for measuring frequencies
IPC: G01R23/00
Filed: 1971-07-14
Abstract: 1359209 Measuring frequency ADRETELECTRONIQUE 14 July 1971 [30 July 1970] 33118/71 Heading G4H A frequency applied to the input X of a frequency measuring circuit is obtained as the digital outputs from "coarse" and "fine" meters 8, 16; the output from meter 8, which is of medium precision, is used to control a frequency synthesizer 1 incorporating an interpolation oscillator 7, and the output from meter 16 indicates the frequency increments imposed on oscillator 7 by the output from a comparator 13 to which are applied the unknown frequency and a frequency from synthesizer 1. The output from 8 is applied as, e.g., four digits P 1 -P 4  (of which only digits P 2 -P 4  are accurately provided) to respective decade units 2-5 which generate in turn frequencies F 0  + I 1 , F 0 +I 1 /10+I 2 , F 0 +I 1 /100 +I 2 /10+I 3 , F 0 +I 1 / 1000+I 2 /100+I 3 /10+I 4 , where Ij = Pj kHz, and F 0  is a carrier frequency removed at 5a. The input frequency may be regarded as being of the form F x  + #, where F x  is accurately provided by 8 and # is to be determined by 16. Oscillator 7 is connected to the units by that one of switches 9-12 which would cause the units to synthesize digits of the frequency to be measured which are provided by meter 8 without error-here, switch 10 is closed and unit 2 effectively disconnected; units 3-5 then synthesize P 4 P 3 P 2 O Hz (i.e. F x ) which is compared at 13 with F x  + #. The resulting difference signal is fed via integrating amplifier 14, 15 to the voltage control U of oscillator 7 so as to cause it to add an increment # to the frequency synthesized. The output from 3-5 is then F x +#/ 100 and is compared with F x +# : 14, 15 and U cause # to be altered until #/100=#. The final value of # is measured by meter 16 and divided by 100 in a circuit 16a to give a digital representation of #. The outputs from 8 and 16a are fed to a binary adder 17 which controls a display 18.
Patent GB-211983-A (GB)
Title: Improvements in or relating to apparatus for holding removable bodies on freight cars
IPC: B60P7/13
Filed: 1922-12-05
Abstract: 211,983. Fitch, B. F. Dec. 5, 1922. Vehicles with removable bodies are provided with interengaging locking means and positioning members on the vehicle into which the removable body is placed. The pivoted hooks 30 are adapted to engage channel members 49 forming part of the framework of the container and are operated by rods 48 connected to a cranked transverse rod 36 operated by ratchet mechanism 39. The container is guided into the locking position by means of bevelled transverse members 20, the ends of which are extended longitudinally to form corners.
Patent GB-485483-A (GB)
Title: Improvements in or relating to permanent waving apparatus
IPC: A45D4/18
Filed: 1936-12-05
Abstract: 485,483. Electric hair-waving. GILLESPIE, P. Dec. 5, 1936, Nos. 33388/36 and 10471/37. [Class 39 (iii)] In permanent waving apparatus wherein a number of electric heaters 5 are suspended from a head 1 pivoted on a telescopic pedestal 2, 6, the pedestal part 6 is fitted with a switchboard 7 having separate switches 8 and fuses for each of the supply sockets 3. The electric leads may either be continuous, in which case the degree of rotation of the head 1 is limited by abutments, or they may be interrupted at the top of the pedestal, sliding contacts being provided.
Patent GB-1343382-A (GB)
Title: Method and apparatus for testing the condition of a machine
IPC: G01M99/00
Filed: 1972-07-18
Abstract: 1343382 Measuring vibrations NORTHROP CORP 18 July 1972 [30 Sept 1971] 33543/72 Heading G1N The condition of a rotating machine is evaluated by measuring and analysing the vibration of the machine, the ratio of the amplitudes at two selected frequency bands being indicative of the condition of the machine. As shown (Fig. 1), an accelerometer 12 mechanically coupled to the machine under test 11, produces an electrical signal corresponding to the machine vibrations which is analysed at 13, 14 in accordance with frequency to produce an output which is the amplitude squared of the frequency components against a time base. Two preselected frequency bands are gated at 16, 17. The peak values in these bands are measured at 25, 26 and their ratio determined, to be indicated at 37 and to operate an alarm 42 if the ratio exceeds a value pre-set at 40.
Patent GB-335712-A (GB)
Abstract: 335,712. Soc. Italiana Pirelli, and Emanueli, L. Sept. 5, 1929. Transmission conductor arrangements; protective arrangements. -To neutralize the sheath currents in single or polyphase transmission the cables are embraced at intervals by a divided magnetic core 4, 4<1> carrying upon each portion a winding or windings 5, each of which is connected in series with a suitable condenser 6, such that a flux is generated in the opposite direction to that produced by the current in the cable core. In a polyhase arrangement the wind ings and condensers are connected to separate star points so that the third harmonic in the windings is suppressed.
Patent GB-1242199-A (GB)
Title: Antiskid system
IPC: B60T8/172
Filed: 1970-07-10
Abstract: 1,242,199. Anti-skid brake systems. ALFRED TEVES G.m.b.H. 10 July, 1970 [12 July, 1969], No. 33604/70. Heading F2F. A vehicle braking system includes fluid pressure operated brakes 4 on a set of front wheels and similar brakes 5 on a set of rear wheels and an anti-skid mechanism for each of the two sets, the mechanism being arranged to compare a signal indicative of the instantaneous value of a parameter governing slippage between a road wheel of the set and the road surface with a signal corresponding to a predetermined limiting value of the parameter and to reduce the applied brake pressure during such time as the limiting value is exceeded, the said predetermined value differing for the two sets and being greater for the more heavily braked set. A wheel velocity signal from a rotor 10 of a tachogenerator amplified at 12 F  or 12 R  is differentiated at 13 F  or 13 R  and passed to a comparator 14 F  or 14 R  the latter being also supplied with a reference signal LIM F  or LIM R . The outputs from the comparators are amplified in 15 F  or 15 R  and fed to electromechanically controlled valve mechanisms 6, 7.
Patent GB-1072054-A (GB)
Title: A process for the production of naphthalic acid derivatives
Inventor: SENSHU HISASHI
IPC: C07C51/377
Filed: 1964-08-17
Abstract: The disperse dyestuff of the formula <FORM:1072054/C4-C5/1> is prepared by condensing 4-chloro- or bromo naphthalic anhydride with 3,4-diamino-anisole in water or an organic solvent and reacting the condensation product formed with methanol in presence of sodium hydroxide.  It dyes polethylene terephthalate brilliant yellow shades.ALSO:4-Chloro or 4-bromo-naphthalic anhydrides and imides, or N-derivatives thereof are prepared by heating aqueous solutions of the corresponding 4-sulpho compounds or 4-sulphonaphthalic acid with (a) hydrochloric acid and sodium or potassium chlorate or (b) hydrobromic acid and sodium or potassium bromate and drying the product with heat.  The reaction preferably takes place at 85 DEG  to 100 DEG  C. and at atmospheric pressure.  The N-alkyl naphthalimides may be reacted with sodium sulphide to replace the halogen atom by a mercapto group which may be subsequently alkylated by reaction with an alkylating agent to yield optical brightening agents.
Patent GB-607230-A (GB)
Title: Improvements in or related to pails, buckets and the like
IPC: A47J47/18
Filed: 1945-12-12
Abstract: 607,230. Handles for buckets &c. ATKINSON, J. Dec. 12, 1945, No. 33631. [Class 66] A bail handle 5 of a bucket &c. can be left standing upright or lying horizontally. The eye 4 of the handle passes through a clearance hole 3 in the ear 2 of the bucket, so that the upper part of the eye 4 may be rested in a notch 6. In a modification, the hole 3 is elongated and receives a pivot pin on the flattened end of the handle, and the notch 6 is engaged by a stud above the pivot pin.
Patent GB-947274-A (GB)
Title: Improvements in and relating to heat exchangers
IPC: F28G1/12
Filed: 1962-09-03
Abstract: 947,274. Tubular heat-exchange elements. MASCHINENFABRIK AUGSBERG-NURNBERG A.G. Sept. 3, 1962 [Sept. 7, 1961], No. 33679/62. Addition to 941,867. Drawings to Specification. Heading F4S. [Also in Division F2] A surface heat exchanger or surface condenser comprising cooling pipes is cooled with untreated water and has emplaced cleaning bodies, such as brushes or balls, which are moved along the pipes by water flow as in the parent Specification has the internal surfaces of the cooling pipes longitudinally ribbed with rounded ridges and depressions and is provided with cleaning bodies correspondingly shaped.
Patent GB-1014489-A (GB)
Title: Improvements in and relating to fasteners
Inventor: FERNBERG PAUL CARL ROGER
IPC: F16B21/06
Filed: 1962-09-04
Abstract: 1,014,489. Stud and socket fastenings; hinges and pivots. F. T. PRODUCTS Ltd. Aug. 26, 1963 [Sept. 4, 1962], No. 33870/62. Headings E2B and E2F. A two part fastener for attachment to an apertured support 18 comprises a pin 10 and a resilient cap 16, the pin 10 having a head 27 providing a shoulder 12a to engage the support, a shank 26 and a nose 15, the latter providing a second shoulder, the cap 16 having a central aperture surrounded by overhanging lugs 20 adapted to permit snap engagement of the cap on to the pin behind the second shoulder. As shown, in which the pin and cap are made of a plastics material, the fastener is used to secure the support to a second member 17 in relative rotational relationship therewith, a flange 24 on the cap seating in an aperture 25 in the member 17.
Patent GB-1361852-A (GB)
Title: Electronic controls
IPC: G05D1/00
Filed: 1971-07-20
Abstract: 1361852 Automatic control systems SOC FRANCAISE D'EQUIPEMENTS POUR LA NAVIGATION AERIENNE 20 July 1971 [27 July 1970] 33959/71 Heading G3R In a retro-active control system, e.g. for an automatic pilot which may be disconnected for operation by other means, in the disconnected mode the error signal is maintained at zero by suitably adjusting the command value so that re-connection may be made without shock. As shown, a parameter 4 of a system 1 subject to disturbances 2 is compared at 5 with a reference 14 to produce an error signal which, with switch 6 at 6E, controls an actuator 3. In the disconnected position 6D the error signal is applied to an integrator 11 whose output is summed with a command signal 13 so that the reference 14 is adjusted until the "error" is reduced to zero, and this is not affected by extraneous control signals 7 applied to the actuator 3. In Fig. 2 (not shown), in the disconnected mode, the error signal is added to the differential of the command signal and the result integrated to form the reference. Particular arrangements for producing the command signal are described using potentiometers arranged to give an unbroken signal over one or more complete revolutions.
Patent GB-857646-A (GB)
Title: Mixing apparatus
IPC: B29B7/26
Filed: 1959-10-09
Abstract: 857,646. Rubber mixing members; discharging doors. FARREL-BIRMINGHAM CO. Inc. Oct. 9, 1959 [Nov. 6, 1958], No. 34254/59. Class 86 In a rubber mixer and plasticizer of the Banbury type having a pair of kneading motors as at 12, the mixing chamber 10 has a discharge door 14 having an upper surface 16 shaped to complement the shape of the mixing chamber, and pivoted at 18 about an axis at right angles to the axis of the rotors. The door is actuated by a fluid-pressure cylinder 32 and is locked in the closed position by rollers 48 which are urged against the wear plate 24 by the cylinder 41. The door, with its actuating and locking mechanism, is carried as a unit on a frame comprising a base plate 21 and side plates 29, see Figs. 3 and 4 (not shown), whereby it may be interposed between an existing mixing machine and its bed plate 28 to replace an existing door of different pattern.
Patent GB-444505-A (GB)
Title: Improvements in building tiles for the heat insulation of flat roofs
IPC: C04B28/04
Filed: 1934-11-29
Abstract: 444,505. Roofs; tiles. GOLDNEY, W. G., 20, Monkhouse Drive, Woodford Green, Essex, and PERMANITE, Ltd., 455, Old Ford Road, London. Nov. 29, 1934, No. 34345. [Classes 20 (iv) and 87 (i)] Roofing-tiles consist of a face layer of finely ground pumice and cement moulded on a base of broken pumice stone and cement ; suitable proportions for body and facing are 4 parts by weight pumice to 1 part cement. Both sides of the tiles may be faced as described. The flat roof to be tiled is first covered with one or more layers of waterproof felt with bitumen between them ; the bases and edges of the tiles are then coated with bitumen by dipping, and the tiles are laid and pressed together while the bitumen is plastic.
Patent GB-1422830-A (GB)
Title: Apparatus for analysis
IPC: G01N1/28
Filed: 1973-07-19
Abstract: 1422830 Preparing slurry sample; analysis of starch slurr: viscometers GARTON SONS & CO Ltd 18 July 1974 [19 July 1973] 34529/73 Headings G1B and G1S Apparatus for preparing a sample of a slurry for chemical or physical analysis of the solid constituent comprises a first container for the sample, means for replacing the liquid component of the sample with a predetermined volume of another liquid, means for delivering the suspension so prepared to a further container, means for measuring the density of the sample in the further container and means for adding further liquid to the sample to produce a prepared sample having a predetermined density. For analysis of starch slurries, the apparatus includes coupled to the further container means for determination of the viscosity and of the nitrogen and ester contents of the solid constituent. The first container (34) in Fig. 2 (not shown) may have a false bottom formed by a sintered glass filter disc; slurry and subsequently wash liquid are fed to the upper part of the container and liquids removed by applying suction to the part below the disc. A metered quantity of other liquid is then fed from a tank (52) to the upper part of the container and the slurry transferred by peristaltic pump to the further container. The further container 60, Fig 3, has suspended in it from a balance arm 64 a hollow aluminium bob 62, the other balance arm carrying a weight 66. Movement of the balance pointer allows light to pass from a lamp to a photo-cell 72 and the signal from the photo-cell opens valve 88 to allow water to flow into container 60 to dilute the slurry. In the embodiment of Fig. 4 (not shown), the slurry in the further container is recycled from the bottom to the top of the container through an external coil, the container and the coil being immersed in a thermostat bath. The bob is suspended from part of the movement of an ammeter having alarm contacts, introduction of diluent water into the recycle line being first slowed then stopped by successive closure of two valves when the alarm contacts are reached. For determination of the viscosity of a starch slurry, Fig. 5, the slurry from 144 is forced by pump 148 through heated coil 150. The leading portion of the sample is discarded through trap 153 while the remainder passes through coil 158 to viscometer cup 162. Bob 164 is driven at pre-selected torque and its speed then is proportional to the viscosity of the liquid, the viscosity reading being displayed on a digital or chart recorder. Wash water for the cup is fed in through line 174 and heating coil 178. For determination of the ester content of esterified starch slurry Fig 7, (not shown), the slurry is mixed with standard alkali and water and the mixture is pumped through a coiled pipe immersed in a hot oil bath to gel the starch and hydrolyze the esters. The product is cooled and a sample of it is introduced into titration apparatus for determination of unconsumed alkali.
Patent GB-1072193-A (GB)
Title: The production of metal oxides
Inventor: ZIRNGIBL HANS
IPC: C01F1/00
Filed: 1963-09-02
Abstract: <PICT:1072193/C1/1> In a process for producing metal oxides (including SiO2) from the halides in which heat is provided by an auxiliary inert gas plasma, a mixture of metal halide and a gas containing free O2 or steam introduced into the reaction chamber from 10 is brought to reaction by a plasma also introduced into the chamber at 9 which plasma is formed by passing nitrogen through an electric arc between electrodes 2 and 3 or an alternating electric field.  Oxides which may be formed are those of Ca, Mg, Al, Si, Sn, Ti, Zr, Cr and Fe.  Halogens (e.g. Cl2) or hydrogen halides are formed as by-products.
Patent GB-169922-A (GB)
Title: An improved method of manufacturing railway and the like vehicle axles
IPC: B21K1/06
Filed: 1920-12-08
Abstract: 169,922. Stephenson, J. Dec. S, 1920. Shafts. - Railway &c. vehicle axles are made by a plant consisting of a pair of heating furnaces, a pair of power hammers and four cranes. A billet is taken from one of the two furnaces 1, 2 and delivered by one of the cranes 5, 6, to the hammer 3 by which one-half of the axle is forged. The work is then conveyed by the crane 7 to the hammer 4 by which the second half of the axle is forged. The crane 8 then conveys the axle to the supports 9 on which further work may be done. While one axle is under the hammer 4 a second billet is taken from the other furnace and treated by the hammer 3.
Patent GB-337219-A (GB)
Title: Improvements relating to gun barrels
IPC: F41A21/04
Filed: 1929-11-13
Abstract: 337,219. Rheinische Metallwaarenund Maschinenfabrik, and Witzell, K. Nov. 13, 1929. Ordnance tubes.-A liner for the chamber and rear end of the rifled bore of a gun has projections on the front face thereof which engage with recesses in the end of the non-removable part of the bore. In one construction, the adjoining surfaces d of a barrel b and its liner a, Figs. 1 and 2, are helical in shape and have stepped-down faces c arranged parallel to the axis of the bore. The helical surfaces d are of opposite hand to the rifling grooves in the barrel and liner, so that the tendency of the latter to rotate relatively to the barrel when a shot is fired serves to force the surfaces d more firmly into contact with each other. The stepped-down surfaces d are so disposed that the rifling grooves in the liner form an uninterrupted continuation of those in the barrel.