baber/WOPTO huggingface dataset:
Patent GB-523655-A (GB)
Title: Improvements in or relating to steering mechanism for motor vehicles
IPC: B62D7/15
Filed: 1938-10-17
Abstract: 523,655. Motor-vehicle stearing-gear. BIRMINGHAM SMALL ARMS CO., Ltd., and TAIT, J. N. H. Oct. 17, 1938, No. 29965. [Class 79 (v)] In vehicles having front and rear wheels steered progressively by means of a laterally-displaceable rocking lever 1 acting in conjunction with a grooved master or guide plate as described and claimed in Specification 523,656, one end of the rocking lever is linked to a lever 3, 6 pivotally connected by two oppositely-disposed linkages such as 9, 10 to the front wheels 36 so as to steer the latter. In the construction shown the lever 3, 6 is mounted on a shaft 4 and carries two pins 7, 8 connected by links 9, 10 to levers 12, 13 connected by links 19, 19A to the steering swivel arms 17, 17A of the front wheels. The arms 14, 14A of the levers 12, 13 pass through slots in the side members 16 of the chassis frame so as to give good ground clearance. The rear wheels 37 are similarly steered by a lever 22, 24 mounted on a shaft 23 and linked to a lever 21 connected by a link 20 to one end of the rocking lever 1. In a modification the lever 22, 24 is directly connected by a link to the rocking lever 1. The wheels may be independently-sprung.
Patent GB-1409164-A (GB)
Title: Apparatus for aerating liquid
IPC: B01F3/04
Filed: 1973-06-25
Abstract: 1409164 Rotary surface aerators ECODYNE CORP 25 June 1973 [3 July 1972] 30137/73 Heading B1C A rotary surface aerator suitable for use in the treatment of sewage comprises an impeller 30 constituted by a plurality of curved vanes 32 secured to a shaft 23 which is driven by a motor 19 via a gear box 21 which is supported on a structure 17 extending across the open top of a sewage tank 11. The impeller is rotated to cause rotary and axial circulation of the material which is passed through the tank from an inlet 13 to an outlet 15. The curvature of the vanes 32 is to a predetermined form and each vane curves backwards in the direction of rotation, the portion 33 of each vane adjacent the shaft 23 being of greater depth than the outer portion 34 of the vane. Reference has been directed by the comptroller to Specification 1333175.
Patent GB-999441-A (GB)
Title: Cumene oxidation
IPC: C07C409/10
Filed: 1963-07-30
Abstract: A continuous process for the preparation of cumene hydroperoxide by the oxidation of cumene, in which unreacted cumene is removed from the oxidation reaction mixture leaving a residue rich in cumene hydroperoxide, the separated cumene is treated with an aqueous solution of sodium hydroxide having a concentration not greater than 3% by weight, the ratio of cumene: sodium hydroxide solution being such that the cumene after the treatment has a pH of at least 3.5 and an acid concentration (calculated as benzoic acid) of not more than 500 parts per million; and any unreacted sodium hydroxide is separated from the treated cumene which is then returned to the oxidation stage.  In a preferred form of the invention a cumene oxidation reaction mixture is passed successively through three or four towers and contacted with air bubbled up at about atmospheric pressure, the temperature levels in the successive towers, being successively lower, e.g. at about 105-115 DEG  C. in the first tower, about 95-105 DEG  C. in the second and third towers and about 90-100 DEG  C. in the last tower.  A neutral to mildly basic, e.g. pH of 7-10.5, substantially water-insoluble, powdered substance, e.g. calcium carbonate or magnesium hydroxide, is suspended in the reaction mixture as a promoter or catalyst of the desired oxidation. The cumene hydroperoxide concentration is brought to about 25-40% by weight of the reaction mixture in the final tower; and this crude oxidation product is flash distilled under vacuum to leave about 75-90 weight per cent crude cumene hydroperoxide.  The distilled cumene is recovered by condensation, and cumene in the exhaust gases from the towers is recovered by absorption on charcoal and in each case is washed with aqueous sodium hydroxide solution in proportions between about 100 : 1 and about 1000: 1 of cumene:aqueous sodium hydroxide by volume, separated from the aqueous layer, filtered and recycled to the oxidation zone as a clear stream having pH of about 4.0 to 7.0, and having an acid concentration of about 100 p.p.m. to nil calculated as benzoic acid.  An example is given.
Patent GB-959146-A (GB)
Title: A process for the production of acrylonitrile polymer solutions
IPC: C08K5/37
Filed: 1962-08-09
Abstract: Solutions in organic solvents of polymers containing at least 80% by weight of combined acrylonitrile are stabilized by means of mercaptotriazoles of the formula: <FORM:0959146/C3/1> in which R is a hydrogen atom or an alkyl, aryl or heterocyclic radical, e.g. 3-mercapto-1, 2, 4-triazole and derivatives thereof substituted in the 5-position by methyl, ethyl, phenyl and furoyl groups.  The acrylonitrile polymers may be homopolymers or copolymers with acrylic and methacrylic acids and their esters and amides, vinyl acetate, styrene, styrene sulphonic acid, vinyl pyridine and methyl vinyl ketone.  As solvents for the polymers there are specified dimethyl formamide, dimethyl acetamide and ethylene glycol carbonate.
Patent GB-987137-A (GB)
Title: Double-cylinder knitting machine
IPC: D04B9/10
Filed: 1962-08-10
Abstract: 987,137. Knitting-machines. SDRUZENI PODNIKU TEXTILHIHO STROJIRENSTVI. Aug. 10, 1962 [Aug. 10, 1961], No. 30676/62. Heading D1C. Links-links patterning is achieved on a superposed cylinder machine by providing selector jacks 3 which are selected by bits 15 so as to be raised by a cam 13 prior to the transfer point, such that rockable jacks 1 are lifted to bring their butts 29 into the path of a cam 35 which raises the jack 1 on to transfer cam 36 to cause slider 2 to be raised to the transfer position. The lower portion of each jack 1 is provided with a recess 30 movable into and out of register with a nose cam 41 so as to pivot the upper end of the jack outwardly, Fig. 3, such that a recess 33 in its upper end is engaged by the lower end of the slider in order to retain the jack in its operative position to engage the jack cams 43, Fig. 5.
Patent GB-747085-A (GB)
Title: Improvements relating to refrigerator cabinets
IPC: F25D21/14
Filed: 1954-10-25
Abstract: 747,085. Refrigerators. GENERAL ELECTRIC CO. Oct. 25, 1954 [Oct. 28, 1953], No. 30686/54. Class 29 In a refrigerator divided into upper and lower storage spaces 8, 9 by a baffle 7 which can be set in a first position to abut a gasket 20 to prevent the flow of cooled air into space 9 and in a second position spaced from the gasket, the baffle is supported at each side in members 14 and, in the second position, rests on lower runners 16, and in the first position, rests on the front of runners 16 and on short runners 17. It is moved from one position to another by sliding forward to clear the runners 17 and then raising or lowering and sliding backwards. The rear edge of the baffle is down-turned and formed with a moisture-catching trough 19 collecting water from the upper and under faces and discharging it into two containers 25 located one at each rear corner of the cabinet.
Patent GB-765197-A (GB)
Title: Improvements in apparatus for the combustion or gasification of liquid or liquefiable fuels, in particular those which are difficultly combustible
IPC: F23G7/05
Filed: 1953-11-06
Abstract: 765,197. Combustion apparatus. BADISCHE ANILIN- & SODA-FABRIK AKT.- GES. Nov. 6, 1953 [Nov. 13, 1952; May 13, 1953; Aug. 8, 1953], No. 30728/53. Class 51 (1). In a liquid-fuel fired combustion apparatus air is supplied from an annular channel 3, Fig. 1, through two channels 4 tangentially to the brick-lined combustion chamber 9 whilst fuel, e.g. an oil residue, is introduced through a pipe 7. Liquid fuel may be introduced through a pipe 8 situated in a channel 4 whilst a supply of fuel gas to plots 5 is effected through an annular channel 6. Finely-divided coal dust may be introduced through a pipe 10. The chamber 9 may occupy a horizontal or inclined position. In the apparatus of Figs. 3, 4 part of the combustion air 'is supplied through tangentially arranged channels 4 from an annular channel 3 whilst the remainder is introduced through an annular space 6 in an axial direction. Liquid fuel is introduced through a pipe 7 whilst fuel gas, if any, is fed via a slot 5. Axially displaceable pipes 10, 12 introduce coal dust and carrier air respectively, the latter being tapped from the main combustion air feed. The chamber 9 may be directly attached to a furnace 11 which may be a rotary tube furnace or a melting furnace. The apparatus may be used for heating boilers and leather waste or similar pulverizable refuse may be burnt instead of coal dust. Combustible gas, which may be collected in gas holders for use elsewhere, may be produced in the apparatus by limiting the supply of air and introducing, if necessary, a supply of steam.
Patent GB-901284-A (GB)
Title: Improvements in or relating to water resistant linings
Inventor: GOOBY ROY
IPC: B65D90/04
Filed: 1959-09-09
Abstract: 901,284. Laminates. F.A. (MEMBRANES) Ltd. Sept. 7, 1960 [Sept. 9, 1959], No. 30751/59. Class 140. A water-resistant lining, which may be employed for waterways or reservoirs comprises a layer which includes bitumen or a bituminous material admixed with a quantity of glass in divided form, for example as finely-divided glass fibre, said layer being faced on each side with a layer formed from glass fibre. Flexible metallic strip, for example in the form of galvanized wire netting, may be embedded in the bituminous layer as reinforcement, and this layer may also contain a mineral filler, for example slate or silica flour, ground limestone or asbestos. In the Figure, a layer of bitumen, 10, containing glass fibres, is faced on each side by a glass fibre mat 12. A galvanized wire net 11 is embedded in the layer 10 closer to one side than the other. The lining may be made by pouring mixed bitumen and glass on to a glass fibre mat, which may have been produced from fine glass fibres which are resin-bonded into sheet form, and which may be reinforced by continuous glass yarns which may be bonded to the surface or otherwise incorporated, in a suitable mould, which may also contain the wire netting suitably tensioned, and then placing the other glass fibre mat on the surface of the bitumen in the mould. Alternatively the lining may be made semi-continuously or continuously in the form of strips. Specification 862,216 is referred to.
Patent GB-1410332-A (GB)
Title: Calandria and neutron shield unit for nuclear reactors
IPC: G21C11/02
Filed: 1972-06-30
Abstract: 1410332 Nuclear reactors UNITED KING- DOM ATOMIC ENERGY AUTHORITY 13 June 1973 [30 June 1972] 30774/72 Heading G6C A combined calandria and neutron shield unit for a SGHWR comprises an assembly of shield tanks 1, 2 and 3 bounding a sealed, inner chamber 4 for containing liquid moderator and openended tubes which extend through the chamber 4 and are sealed into aligned passages of opposed tanks 1, 2. The radial tank 3 is annular and comprises four sections 3a which stand on the lower shield tank 2 comprising two rectangular sections. The upper shield tank 1, which is received in a recess 9 of the tank 3, comprises two semicircular sections la. The inner walls 10 of the tank 3 are convergent to define a barrel-shaped chamber 4 and there are inner, perforated walls 13 which retain boron steel shot filling 14. Joints between the different shield tanks are made by bolting and include sealing compound and flexible metal seals. The calandria tubes are stiffened by peripheral corrugations and are secured in openings in the opposed tanks by means of flanged sleeves.
Patent GB-1501731-A (GB)
Title: Fruit picking machines
IPC: A01D45/00
Filed: 1976-04-29
Abstract: 1501731 Foot control for fruit picking machines J M P FRY 29 April 1976 [23 July 1975] 30779/75 Heading B8H A fruit picking machine, Fig. 1 (not shown), of the type comprising a work platform mounted on a boom adapted to be raised or lowered and supported on a steerable chassis includes a foot control comprising a first pedal 21, pivotally mounted for movement about a transverse horizontal axis and thus controlling the raising or lowering of the boom, and a second pedal 22, pivotally mounted for movement about a transverse horizontal axis and thus controlling forward and reverse movement of the machine, and pivotally mounted for movement about a substantially vertical axis and thus controlling the steering of the machine. Both hands of the picker are free for picking, the machine being controlled by the picker standing on the pedals 21, 22 mounted on floor 23 of the work platform.
Patent GB-760816-A (GB)
Title: Improvements in or relating to pneumatic gauges
IPC: G01B13/08
Filed: 1953-11-06
Abstract: 760,816. Linear dimension gauges. FORD MOTOR CO., Ltd., and WEATHERBY, D. J. Sept. 29, 1954 [Nov. 6, 1953], No. 30813/53. Class 106 (2). A pneumatic gauge for measuring external dimensions of a workpiece which acts on the obturator 2 of a jet 1 has the obturator in the form of a hard steel ball which is moved away from its conical or arcuate seating on application of the workpiece. The ball may be spring-loaded or its opening limited by a stop 3. The seating may be parabolic or have a particular profile to achieve particular amplification characteristics.
Patent GB-1008350-A (GB)
Title: Improvements in and relating to the treatment of granular solids
Inventor: GARDNER GEORGE HAROLD DRAPER
IPC: B28C7/00
Filed: 1963-08-03
Abstract: 1,008,350. Drying, heating or cooling granular material. BRITISH CAST IRON RESEARCH ASSOCIATION. July 21, 1964 [Aug. 3, 1963], No. 30886/63. Headings F4G and F4U. In apparatus for drying, heating or cooling granular material, e.g. sand, the material is fed by a conveyer 8 through a funnel 12 into an upper box 10 mounted on springs and vibrated by motors (not shown) to act as a vibratory conveyer and having a permeable membrane or tray 24 at its bottom through which heated or cooled air is passed to fluidize the material whereby it flows over a discharge edge 30 into a second box 11 substantially similar to the box 10 wherein further fluidization and treatment occurs before passing to an outlet 31. Pipes 20 . . . 23 and further pipes (not shown) are immersed in the fluidized beds in the boxes 10, 11 and are supplied with further heat treatment medium.
Patent GB-1086778-A (GB)
Title: Tape storage device
IPC: G11B15/43
Filed: 1965-07-21
Abstract: 1,086,778. Tape storage devices. INTERNATIONAL BUSINESS MACHINES CORPORATION. July 21, 1965 [Aug. 10, 1964], No. 30934/65. Heading G5R. [Also in Division D1] A tape storage device comprises a pair of walls 4, 6 between which a flexible tape 2 is positioned so as to define with the walls a chamber, and means for maintaining fluid pressure inside the chamber at a higher pressure than that outside. At the neck of the chamber the tape 2 passes over fluid bearings 16, the pressure in which may be controlled to adjust the size of the neck. In a tape recorder variation of the loop size to the limits 32, 34 actuates pressure operated switches 28, 30 which control means for restoring the loop to its median size. In a process control system for curing, drying or coating sheets, e.g. for applying developer to a film, the fluid may be a suitable liquid. Tension in the loop may be controlled by holes 36, 38, Fig. 4 (not shown), which increase the leakage of fluid as the loop size increases.
Patent GB-533808-A (GB)
Title: Improvements in or relating to exothermic heating devices for use in permanent hair waving
IPC: A61K8/02
Filed: 1939-11-28
Abstract: 533,808. Heating by chemical action. FRANCIS, H. Nov. 28, 1939, No. 30973. [Class 64 (ii)] Heat is obtained by the reaction of potassium permanganate and glycerine. The reaction may be retarded by the addition of powdered silica or finely ground sand, or accelerated by the addition of aluminium or iron filings. In the application to a heating pad for use in hair waving, a mixture of equal parts of potassium permanganate and silica or sand is placed in an envelope of aluminium foil, one surface of which is perforated but covered on its outer side with removable impervious material such as greaseproof paper or cellulose film or with a non- removable absorbent sheet such as cellulose tissue or absorbent paper. If the impervious covering is used, it is removed before the pad is used and a covering of absorbent cellulose tissue backed by grease- or water-proofed paper is applied. The activating liquid consists of glycerine 3 parts and water 1 part by weight, and this is applied to the absorbent covering from which it filters through the metal foil. The envelope may alternatively be of tin, brass or copper foil, or wholly or partly of paper. One side may be of foil and the other side of perforated impervious paper with a covering of absorbent paper or wholly of absorbent paper. Alternatively, both sides may be of paper, one side being impervious, and the other perforated and covered with an absorbent sheet, and made of absorbent paper.
Patent GB-604164-A (GB)
Title: Improvements in fabric bindings or trimmings especially for boots and shoes
IPC: A43B23/25
Filed: 1945-11-19
Abstract: 604,164. Bindings or trimmings. GOODING, T. J., and ADAMANT SUPPLIES CO., Ltd. Nov. 19, 1945, No. 31002. [Class 141] A fabric binding more especially for the edges of boots and shoes comprising a strip of woven material having a selvedge at one end and at the other edge serrations, forming teeth 6, with a coating of cement, is characterised by a reinforcing thread 5 adjacent the roots of the teeth. The strip is woven double the width required, from silk, with a central section of cotton warp threads 4 bordered on each side by a reinforcing cotton thread 5. One face of the central cotton section is coated with cellulose or like adhesive and the strip is then cut down the centre to form edges of serrated form.
Patent GB-275064-A (GB)
Title: Improvements in or relating to autographic registers
IPC: B41L5/06
Filed: 1926-12-08
Abstract: 275,064. Jackson, P. A. Dec. 8, 1926. Feeding, winding, and registering webs.-In an autographic register, paper webs 31-33, Fig. 3, provided at intervals with pairs of perforations disposed transversely therein in known manner are fed by co-operating rollers 8, 12 which are separable to interrupt the feeding of the vebs, and pins 42 riding upon the uppermost web automatically enter the perforations to align the webs and automatically ride out of the perforations on the re-feeding of the webs. The roller 8 is mounted within a housing 7 provided with vertical slots to receive the ends 9 of the roller spindle, which are movable therein to interrupt the web feed. Discs 16, Fig. 4, on the ends 9 of the spindle co-operate with cams 17, secured to pinions 18 loosely mounted on the ends of the spindle 11 carrying the roller 12, and a wheel train driven from the shaft 19 of the operating-handle of the machine produces a revolution of the cams 17 with each revolution of the handle, thereby lifting the roller 8. The roller 12 is geared to the driving-shaft 19 by a train 23-25, the gear 25 being interchangeable to vary the length of the web fed at each operation of the handle. The webs are drawn from reels 30 and pass around tensioning rollers 6 mounted upon arms 5 pivoted on the side walls 3 of the casing, the rollers 6 resting upon the rearwardly sloping bottoms of recesses 4 cut in the walls. The feed-rollers 8, 12 are timed to separate when the length of a bill form has been fed, the perforations between the filled-in set of forms and the next un-used set being then beneath two pins 42 mounted on a plate 41 pivoted between lugs 40 on the walls 3. The pins 42 have a vertical front face which abuts against the leading edge of the perforations when the rearward movement of the rollers 6 pulls the webs back slightly, a tapered rear portion enabling the pins to override the apertures when the feed restarts. The bottom web 33 is retained in the register and rolled upon a shaft 29 geared to the operating-handle and, in order to provide this. web with sufficient slack to ensure the correct alignment of all the webs, a clamping-device is provided to grip it when the feed-rollers separate. The clamping-device comprises a plate 43 supported on the wall adjacent to the shaft 29 to co-operate with a jaw 4:4 on a pivoted arm 45. A spring 48 holds the end of the arm 45 against a cam 46 secured to the gear wheel 24, and a recess 47 on the cam allows the arm to swing so that the web is gripped between the members 43, 44. Slackening of the supply reels 30 is prevented by friction rollers 52 mounted on arms 51 pivoted upon the casing walls.
Patent GB-645948-A (GB)
Title: Improvements relating to cathode ray tube display equipment
IPC: G01R13/30
Filed: 1947-11-25
Abstract: 645,948. Cathode-ray oscillographs. HARDIE, A. M., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. Nov. 25, 1947, No. 31196. [Class 37] The invention comprises means for causing the beam of a cathode-ray tube to draw a graticule on the screen alternately with the signal, by applying a saw-tooth voltage to the Y-plates and a slow sweep voltage to the X- plates so that the beam produces the vertical graticule lines, and the connections are then interchanged by an electronic switch so that the horizontal graticule lines are produced, the signal then being applied to the cathode-ray tube for a short interval, and the cycle repeated. In one embodiment, Fig. 3, a time-base circuit A is fed with a square wave, Fig. 4 (a), to produce a saw-tooth wave (b) during the positive halfcycles only, and fed to two strobing circuits B, C in parallel, to produce wave-forms (c) and (d) respectively. These are differentiated to produce pulses as shown in (e) and (f), which trigger two flip-flop circuits D and E to produce the wave-form (g) full and dotted lines respectively, and after phase-reversal (h) are applied to multivibrator F to produce (i). The output from F is applied firstly to saw-tooth generator G to produce wave-form (j) after phase-reversal in H, and secondly to trigger a fast sweep circuit J which after phase-reversal in K produces wave-form (k), these two voltages being applied to the deflecting plates of the cathode-ray oscillograph through electronic change-over switch L, operated by pulses from D and E. Switching device R cuts off the graticule-producing signals and feeds the signal to be measured to the deflecting plates for a short interval, when the cycle recommences. The trace is blacked out during the fly-back period by feeding pulses from J through a mixer circuit O to the grid of the tube. Certain traces may be brightened by feeding pulses from J to an oscillator N set to trigger at, say, every tenth pulse to feed the grid of the tube through mixer O. A further embodiment (not shown) produces the fast and slow sweeps from a sine wave of the same frequency as the signal. Specification 645,145, [Group XL (c)], is referred to.