baber/WOPTO huggingface dataset:
Patent GB-812392-A (GB)
Title: Improvements in and relating to feedstock for cracking and other liquid hydrocarbons
Inventor: WILLIAMS GILBERT ARTHUR
IPC: C07C11/00
Filed: 1956-06-20
Abstract: Liquid petroleum hydrocarbons are continuously de-oxygenated by introducing a major proportion of the hydrocarbon at an intermediate point of a column containing liquid/vapour contacting means and a minor proportion thereof above this point and near or at the top of the column, supplying heat at or near the bottom of the column or to a boiler in conjunction with it and thereby expelling dissolved oxygen from the descending hydrocarbon, contacting the expelled gas with the descending stream of hydrocarbon fed at ambient temperature near or at the top of the column, thereby scrubbing out light ends contained in the gas, and mixing the expelled gas with sufficient diluent to yield a non-explosive mixture and removing this mixture. The inert gas is preferably nitrogen and it may be introduced into the column together with the major hydrocarbon stream.  Heat may be provided by introducing live steam near the bottom of the column or by circulating steam in a coil in the column.  The process is particularly of value in treating a paraffinic feedstock used for the production of olefines by cracking adiabetically with steam followed by rapid quenching in tubular boilers prior to the gas separation stage.  The product preferably contains less than 3 parts by weight of dissolved oxygen per million.
Patent GB-1479882-A (GB)
Title: Gas-treatment plant for molten metal
IPC: C21C7/072
Filed: 1976-05-10
Abstract: 1479882 Refining metals GROUPEMENT POUR LES ACTIVITES ATOMIQUES ET AVANCEES GAAA SA 10 May 1976 [27 May 19751 19080/76 Heading C7D Apparatus for treating molten metal with gas includes an electromagnetic pump having an inner tube of porous material surrounded by and sealed to an outer metal tube into which the treatment gas is supplied under pressure. The apparatus is immersible in molten metal and discharges to an intermediate electromagnetic pump from where it passes to a decanting and degassing tank. In a preferred embodiment the intermediate pump operates against the main treatment device to increase turbulence and provide improved mixing. As particularly described the treatment device 3 discharges to an electromagnetic pump 4, the output of which passes to a degassing vessel 5 wherein a pressure below atmospheric by not more than 100 torr is maintained by pump 6. The withdrawn gas is purified in unit 12 and recirculated. The unit 3 includes a porous tube 24 sealed to metal tube 15 by bellows 32. Within the porous tube is a magnetic  core 28 encased in refractory, which surrounding the outer tube is a laminated stator 20. The pump 4 likewise includes a core 35 supported by a helical baffle 40.
Patent GB-351243-A (GB)
Title: Improvements in or relating to photographically recording theodolites
IPC: G01C1/02
Filed: 1930-06-23
Abstract: 351,243. Theodolites. ASKANIAWERKE AKT.-GES. VORM. CENTRALWERKSTATT DESSAU UND C. BAMBERG - FRIEDENAU, 87, Kaiserallee, Friedenau, Berlin. June 23,1930, No. 19125. Convention date, June 24, 1929. [Classes 97 (ii) and 98 (i).] A theodolite with means for photographically recording the two circular scale readings on the same film as the image of the field of view is characterized by the provision of an optical system for effecting relative rotation of the images of the field of view and of the circular scale readings whereby the two images are always recorded on the film in the same relative position. As shown in the Figure, the image of the field of view produced by the Cassegrain reflecting telescope 6a, 6b is recorded on the film 7 by the side of the image of the readings of the circular scales 14, 16 produced by reflection in the prisms 20, 21, refraction in the prism 35 and reflection in the prism 34. Rotation about the vertical axis 32 does not cause displacement of the images, but rotation about a horizontal axis causes the image of the circular scales to become tilted. This is obviated by causing the prism 35 to be rotated about the horizontal axis by half the angle through which the theodolite is so rotated, effected by means of the gear wheels 39, 38, 37, 36. In this case the film and cross-wires move together with the recording telescope, but the film and grating could both be fixed, in which case the reversing prism is placed in the path of the recording telescope. 1, 2 is a telescopic view-finder.
Patent GB-1140986-A (GB)
Title: New basic monoazo dyestuffs and processes for their manufacture
IPC: C09B44/02
Filed: 1967-04-26
Abstract: 1,140,986. 2-Acetylamino-5-nitro-4-chloroacetyldiphenylether. CIBA Ltd. 26 April, 1967 [29 April, 1966; 21 Feb., 1967], No. 19148/67. Heading C2C. [Also in Division C4] 2 - Acetylamino - 5 - nitro - 4 - chloracetyldiphenylether is obtained by reacting 2- acetylamino-5-nitrodiphenylether with chloracetyl chloride in the presence of CS 2  and AlCl 3 .
Patent GB-503294-A (GB)
Title: Improvements in the process of, and apparatus for, the production of hydrogen peroxide
IPC: C01B15/03
Filed: 1938-06-28
Abstract: 503,294. Distilling hydrogen peroxide. ADOLPH, G., and BRETSCHGER, M. E. June 28, 1938, No. 19158. Convention date, July 26, 1937. [Class 32] A solution of persulphuric acid or a persulphate is distilled under vacuum to produce hydrogen peroxide by introducing it into a substantially vertical distilling tube at a point below its middle, drawing off the vapours at the top and the residual liquid at a point below the inlet. The electrolysed solution is fed by a pipe 1 to inlets 5 on a series of distilling tubes 2 connected at the top to a vapour line 6 leading to a condenser 8 and vacuum pump. Residual liquid is drawn off at lower points by a line 9 leading to a siphon 10. The distilling tubes 2 are heated by internal tubes 3 supplied with steam from a line 4. In an alternative construction the distilling tubes are heated externally by steam jackets.
Patent GB-716102-A (GB)
Title: Improvements in curtain pleating tape
IPC: A47H13/16
Filed: 1949-07-21
Abstract: 716,102. Suspending curtains. JOHNSON, F. D. July 21, 1950 [July 21, 1949], No. 19175/49. Class 52(5) A curtain pleating tape comprises a main tape 1 provided on both sides with hook loops 2, the loops on one side alter-- nating with those on the other side. Draw cords 3 enter and leave the hook loops at their junction with the main tape so that the cords are concealed between the main tape and the hook loops. To enhance the flexibility of the main tape and assist in the foundation of well defined hook loops when pleating is effected, minor loops 5 are provided between adjoining hook loops. Specification 522,588 is referred to.
Patent GB-1078839-A (GB)
Title: Rock wagon
IPC: B60P1/56
Filed: 1966-05-02
Abstract: 1,078,839. Tipping and dumping vehicles. CATERPILLAR TRACTOR CO. May 2, 1966 [May 18, 1965], No. 19190/66. Heading BB. The body of a vehicle comprises two parts 15. 16 each having side wall and a floor parts pivotally supported at 19 on links 18 which are pivoted at 20 to brackets 21 carried by the longitudinal beams 10. Actuation of the jacks 23, 24 causes the body parts 15, 16 to pivot outwardly first about the pivots 19 and then about the pivots 20 to discharge the load outwardly over the beams 10. The lower ends of the jacks may alternatively be connected to the floor parts adjacent their meeting edges so that when the jacks are extended the body parts 15, 16 pivot inwardly to dump the load between the wheels.
Patent GB-210024-A (GB)
Title: Improvements in devices for protecting telephone, telegraph and the like instruments against lightning or excessive electric potentials
IPC: H04L25/08
Filed: 1923-07-30
Abstract: 210,024. Beattie, A. E. July 30, 1923. Addition to 158,804. Cut-out arrangements.-The secondary windings k, l of the protective arrangement described in the parent Specification are connected to the auxiliary electrodes m, n of a spark-gap o, p connected between the line a and earth. The windings of the magnet act as a step-up transformer, and the spark between the electrodes m, n ionizes the gap o, p thereby allowing the line a to discharge across the gap to earth.
Patent GB-973968-A (GB)
Title: Improvements in and relating to devices for the uniform distribution of materials delivered by a pneumatic conveyor
IPC: A01F25/04
Filed: 1961-05-30
Abstract: 973,968. Pneumatic conveyers; shoots. E. WEICHEL. May 30, 1961 [Nov. 15, 1960], No. 19446/61. Headings B8A and B8S. A distributer for evenly spreading material delivered from a pneumatic conveyer pipe 2 (Fig. 1) comprises a flexible or articulated deflector flap 19 rotatably mounted on the pipe 2 and continuously adjusted angularly to vary the throw as it rotates. The flap 19 is powered by a windmill runner 42 mounted partly within the air stream and driving a reduction gear 32 attached to the annular race 16 from which the flap 19 depends. The race 16 is rotatably supported by rollers 15 on the underside of a fixed race 38 at the lower end of the conveyer pipe 2 and is driven by friction roller 33 on a vertical output shaft 26 of the reduction gear 32 and yieldingly engaged with the fixed race 38. The flap. 19 is raised and lowered through tension cables 27 actuated from a slow speed ratchet and cam gear 40 to which the cables are hooked at 39. The apparatus is adapted for filling rectangular storage vessels by the attachment of cam racks 67 to the fixed race 38, engageable by pinions 68 on the gear output shaft 26. The rate of rotation of the flap 19 is thereby reduced in the region of the racks 67 and the flap 19 is simultaneously raised due to the radially outward movement of the gear-box 32 and cam assembly 40.
Patent GB-201029-A (GB)
Title: Improvements relating to dyeing machines
IPC: D06B5/00
Filed: 1922-07-15
Abstract: 201,029. Farrar, J., Whitehead, A. R., and Lepine, L. J. July 15, 1922. Circulating or passing liquids through materials. -The mechanism for driving the propellers that circulate the liquor in a dyeing machine, is enclosed within a casing adapted to be bolted to the upper part of the vat. Thus, the electric motor E is bolted to a casing F enclosing the pinions D, d and in which the bearings of the propeller shafts c are mounted; the shafts are provided with suitable packings to prevent the ingress of steam and the escape of oil. There may be separate motors for each shaft, and the shafts may be driven by mechanical power. A division board b is placed between each pair of propellers to prevent mutual disturbance.
Patent GB-692129-A (GB)
Title: Improvements in the production of carbon black
IPC: C09C1/50
Filed: 1951-08-20
Abstract: <PICT:0692129/III/1> In a process of making carbon black by burning a mixture of fluid hydrocarbon fuel and a free oxygen-containing gas to form a turbulent stream of hot gases passing through a reaction chamber and injecting thereinto, at a point removed from the zone of generation of the hot gases, a hydrocarbon make to be decomposed, the hydrocarbon make is liquid, is maintained at below carbon-forming temperature during passage as a confined stream through the chamber side walls, and is atomized into the hot gas stream.  Fuel and air is passed into a refractory lined chamber 1, having heat insulation 6, 7, through one or both sets of tangentially directed burners, 8.  Oil is injected into the chamber, which is at 2300-2950 DEG F, through radially directed atomizing nozzles 9 which are surrounded by a jacket through which cooling water is circulated.  The effluent is exhausted through cooler 2 having cooling sprays 24 to a carbon black separator. The oils, which are under pressure of 2-4 lbs/sq. in., may be Nos. 5, 6, or Bunker 'C' fuel oils, "pressure tar," or "flash drum tar," diluted or not with aromatic cycle stock, having 20-95 per cent aromatic content, aniline cloud point 10-125 DEG F, an end point exceeding 725 DEG F, A.P.I. values +10 to -6, and soluble in pentachlorphenol.  The atomizing gas, which is at 50-100 lbs./sq. in., may be air, steam, or natural gas.  The chamber 1 has end block 3 with secondary air inlet 4.  Specifications 669,968 and 692,130 are referred to.
Patent GB-981634-A (GB)
Title: Compositions containing aromatic nitroso compounds
IPC: C09K15/02
Filed: 1961-05-31
Abstract: The invention comprises a solid admixture of a nitroso compound having at least one nitroso group attached to a carbon atom in an aromatic ring, which nitroso compound evolves heat under temperature conditions which may be encountered in storage, and a substance unreactive with said nitroso compound under usual conditions of storage but which will absorb heat from said nitroso compound and thereby undergo decomposition under the said temperature conditions, said substance being present in an amount sufficient to exert a substantial stabilizing effect upon the nitroso compound.  The added substance may decompose either by dissociation or by loss of water of crystallization.  The admixture may also contain free water together with sufficient of a liquid absorbing material to render the composition free flowing.  Suitable absorbents or fillers are calcium silicate, diatomaceous earth, fuller's earth and bentonite. Specified heat-absorbing decomposable substances include carbonates, bicarbonates, ammonium salts and salts with water of crystallization. Nitroso compounds which may be stabilized include N - methyl - N,4 - dinitrosoaniline; 1 - nitroso-4 - (para - nitrosophenyl) - piperazine; N,N1 - dinitroso - N,N1 - bis(para - nitrosophenyl)ethylenediamine; 3 - (N,4 - dinitrosoanilino) propionamide; N - ethyl - N,4 - dinitrosoaniline; N - (2 - chloroallyl) - N,4 - dinitrosoaniline; N,4 - dinitroso - N - propylaniline, 2 - (N,4 - dinitrosoanilino)ethanol; N,4 - dinitrosodiphenylamine; methyl - N - nitroso - N - (para-nitrosophenyl) - beta - alanate; N,4 - dinitroso-N butylaniline; N,4 - dinitroso - N - heptylaniline; N,4 - dinitroso - N - amylaniline; N,4 - dinitroso - N - octylaniline; N,4 - dinitroso - N - (2 - cyanoethyl) - aniline; N,4-dinitroso - N - cyclohexylaniline and N,4 - dinitroso-N-benzylaniline.
Patent GB-613756-A (GB)
Title: Improvements in or relating to arm chairs and like easy chairs
IPC: A47C5/04
Filed: 1946-07-01
Abstract: 613,756. Seats and frames therefor. MORRIS, C. V. July 1, 1946. No. 19640. [Class 52 (ii)] An easy chair comprises a seat frame formed of a metal or alloy pressing and connected, as by bolting, at each side to arm or side pieces of box form and a back member composed of a single plane plate of plastic or metal. As shown the seat frame A and side pieces C are constructed as described in Specification 613,755 and the back member B constructed as aforesaid is secured to the seat frame A and side pieces C at an appropriate angle by bolts, &c.
Patent GB-648388-A (GB)
Title: Improvements in drying methods and apparatus
IPC: F26B21/08
Filed: 1947-07-22
Abstract: 648,388. Drying-method and apparatus. ILUNE, G. July 22, 1947, No. 19672: Convention date, March 4, 1946. [Class 34(ii)] In a method of drying material by means of a fluid medium within a drying chamber, only the difference between the vapour pressure of the fluid to be eliminated in the material and the vapour pressure of this same fluid in the drying medium surrounding the material is varied while all other factors, temperature of the drying medium now of -this medium through the chamber and the quantity of fluid removed from the material per unit of time are kept constant. As shown, drying apparatus comprises a gas-tight chamber enclosing the material to be dried, a closed circuit by means of which the drying medium is circulated through the chamber, a heater being disposed between a circulating blower and the chamber, the latter having a safety valve. arranged so that the pressure only slightly exceeds external atmospheric pressure. A condenser is inserted in the circuit for separating from the drying medium as it leaves the chamber a constant quantity of fluid per unit of time, the condensed liquid being removed through a siphon and passing through a flowmeter which controls the condenser by acting on the flow of the cooling water.
Patent GB-147701-A (GB)
Title: Improvements in or relating to the reception of electric oscillations
IPC: H04B1/16
Filed: 1920-07-08
Abstract: 147,701. Ges. f³r Drahtlose Telegraphie. May 2, 1916, [Convention date] Wireless telegraphy and signalling; ware detectors.-In a system for the reception of undamped oscillations, the received waves of frequency n are used to excite an alternator or electro-static machine which possesses a natural frequency of N, thereby producing two new frequencies (n + N) and (n - N) which interfere in the detector circuit to form beats. The alternator 1, Fig. 1, consists of a stationary winding 2, excited bv oscillations received by the aerial 3, and a rotating winding 4 included in the aperiodic detector circuit 5, 6, 7. In the arrangement shown in Fig. 2, the secondary circuit including the winding 4 is not aperiodic, but is given two wave components of frequencies (n + N) and (n - N) by placing a condenser 11 in parallel with a small part of the inductance of the circuit. Atmospheric disturbances may be reduced by introducing two intermediate resonant circuits 12, 13, Fig. 3, tuped to frequencies (n + N) and (n - N) respectively, and variably coupling a common detector circuit to them by means of inductances 14, 15. In all the above-mentioned modifications beats of 2N are formed in the detector circuit. One of the circuits 12, 13 may be tuned to frequency n and coupled direct to the aerial, in which case beats of frequency N will be heard in the telephones. The secondary circuit 8 can, as shown in Fig. 4, be so arranged that it reacts again on the primary circuit 2 and produces two further frequencies (n + 2N) and (n - 2N). To this end, the circuit 8 is either wound as a short-circuited armature or it is tuned to frequencies (n + N) and (n - N). By giving the primary circuit 2, three wave components of frequencies n, (n + 2N), and (n - 2N), beats of frequency 2N and 4N are obtained. In all the arrangements described, the rotary circuit 4 may be made aperiodic by short-circuiting the rotary winding by an inductance, and coupling the circuit 8 thereto. The system may also be used for reception from tonic train transmitters. The machine 1 may be formed of a stationary and a rotating capacity, which influence one another periodically, in place of inductive windings.
Patent GB-1314066-A (GB)
Title: Cloths for filter presses
IPC: B01D25/00
Filed: 1970-04-24
Abstract: 1314066 Filter press cloths SEITZ-ASBESTWERKE THEO & GEO SEITZ 24 April 1970 [28 April 1969] 1971070 Heading BID A sheet of organic and/or inorganic fibrous filter medium adapted to be hung over the plate or frame of a filter press so that portions 11, 12 serve as filtering sections on opposite sides thereof has portions 11, 12 connected by integral spine 13 from which they are partly divided by grooves 14, 15 pressed into the upper or lower surface of the sheet (Fig. 4, not shown), and the spine and portions 11, 12  adjacent thereto are reinforced by means 18 applied to the upper and/or lower surface or located between plies forming the sheet. Figs. 5 to 9 (not shown) illustrate how various sheets are manufactured as a continuous band on a felt-making machine. In Figs. 5 to 8, reinforcement 18 is a strip of woven fabric unwound from a roll (26) and applied, with or without adhesive, to the top of a newly deposited layer of wet fibres, or to the moving belt of the machine prior to depositing fibres thereon, or on to one layer of fibres prior to depositing another layer. Fig. 9 illustrates a machine in which reinforcement 18 is applied as a solution, aqueous emulsion or dry powder of plastics by sprays (29) and subsequently hardened by heating. In all cases the reinforcement is applied to the central part of the band being formed (Fig. 6), which is grooved and cut into sheets after coming off the machine.
Patent GB-184448-A (GB)
Title: Improvements in or relating to bearings
IPC: F16C17/06
Filed: 1922-07-18
Abstract: 184,448. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Johnson, J. F.). Aug. 8, 1921, [Convention date]. Channels in thrust and cylindrical journal bearings.-In a bearing of the tilting-shoe type, means are provided for preventing the heated oil leaving one shoe from flowing between another shoe and its associated bearing-surface. As applied to a thrust bearing for a vertical shaft in which an annular oil space is provided between the inner edges of the shoes and a sleeve 15 surrounding the shaft, a baffle 16, Figs. 2 and 3, is formed at the leading edge of each shoe 12 to deflect oil issuing from the leaving edge of an adjacent shoe. Each baffle 16 constitutes the wall of an oil chamber 17 extending nearly to the outer edge of the shoe, a port 20 being formed in the outer wall 18 of the chamber to permit circulation. Baffles 19 block the space between the shoes. The Specification as open to inspection under Sect. 91 (3) (a) describes also a journal bearing in which an oil inlet 24, Fig. 4 (Cancelled), is provided at the place where the oil film starts to form, the heated oil leaving the film being deflected by a baffle 27 into a longitudinal chamber 26 from which it passes to the outlet 25. This subject-matter does not appear in the Specification as accepted.
Patent GB-1040751-A (GB)
Title: Improvements relating to image pick-up arrangements, especially for television cameras
Inventor: MCGEE JAMES DWYER
IPC: H01J31/26
Filed: 1962-05-23
Abstract: 1,040,751. Television pick-up tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. May 23, 1963 [May 23, 1962], No.19750/62. Heading H1D. In an image pick-up arrangement, a light image is converted into an electron image, which is projected on to a luminescent screen to produce an intensified light image, and a consequent charge image at a target 10 including a photo-emissive mosaic. The target mosaic is scanned by low velocity electrons produced by a scanning spot from a cathode parallel to the mosaic. As shown, the arrangement comprises a two-stage image intensifier including photo cathode 3, a member 4 having an aluminized luminescent layer 7, Fig. 2 (not shown), and a photo-cathode 8 on a mica support 6; and target 10 comprising aluminium film 15, Fig. 3 (not shown), luminescent layer 14, stannic oxide signal plate 13, mica support 12 and photoemissive mosaic 16. A member 18, similar to member 4 but reversed, is scanned with an electron beam to produce electrons which are accelerated to grid 21 and then retarded through stabilizing grid 17 to read the charge image on mosaic 16 and produce an output signal. The focusing solenoid 23 may be arranged for constant or variable magnification of the electron image between cathode 3 and member 4. To reduce light feed-back between members 10 and 18, the phosphor and photo-emissive materials of one may have a different spectral response from those of the other. In manufacture, all the photo-emissive layers may be formed in the region of the tube between members 10 and 18, members 3 and 4 being laid on flattened parts of the tube envelope and afterwards moved to their correct positions through slots in the frame of target 10. One or more of the various sections of the image pick-up arrangement may be enclosed in separate envelopes coupled by fibre optical windows.
Patent GB-198029-A (GB)
Abstract: 198,029. Jackson, J. H. Feb. 20, 1922. Lift valves; leakage, stopping.-In a screw-down valve, the valve member and stem are keyed against rotation, and the rotary screwed spindle is prevented from moving axially and engages with a screwed socket in the valve stem. The valve stem h is of D- section and is provided with a screwed socket to receive the lower end f of the screwed spindle. Packing k is provided in the upper part of the casing, and is retained by a metal ring l and by the handle m. A collar g prevents axial movement of the spindle. A modified construction is described in which a tapered collar is provided on the lower end of the handle stem m, which rests on the flange d, above which a stuffing- box of ordinary construction is provided. The whole of the actuating mechanism and valve stem are contained within the packing gland casing c.