baber/WOPTO huggingface dataset:
Patent GB-1081382-A (GB)
Title: Improvements in and relating to pneumatic tyres
Inventor: VERDIER H
IPC: B60C11/12
Filed: 1966-04-29
Abstract: 1,081,382. Pneumatic tyre treads. MICHELIN & CIE (COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN). April 29, 1966 [April 29, 1965], No. 19055/66. Heading B7C. A radial cord carcass pneumatic tyre has non- rectilinear circumferential grooves including two wide grooves situated symmetrically to the tyre mid-plane to bound a central zone of width between 1/5 and ¢ the tread width with a narrow groove between each tread edge and the nearer wide groove. Wide and narrow grooves are defined respectively as ones which are open and closed in the ellipse of contact of a loaded tyre. A narrow groove may be situated between the two wide grooves or two narrow grooves may be located between each tread edge and the adjacent wide groove. The tread ribs may be provided with sinuous or straight slits extending normal or at an angle to the circumferential direction.
Patent GB-958854-A (GB)
Title: Recovery of tertiary olefins from acid extracts
IPC: C07C7/10
Filed: 1962-05-17
Abstract: Tertiary olefins are separated from hydrocarbon mixtures by contact with 60-80% sulphuric acid to form an extract and the olefins are recovered from the extract by heating to a temperature at which the olefins are released at a heating rate of at least 200 DEG  F. per minute.  Tertiary olefins having 4-7 carbon atoms are absorbed by stirring with acid in a ratio to hydrocarbon between 1 : 3 and 3 : 1 at 0-60 DEG  F. and 0-50 p.s.i.g.  The extract obtained is then preferably heated to an intermediate temperature 20-80 DEG  F. above the extraction temperature, e.g. in the range 80-140 DEG  F., and the released hydrocarbons containing a high proportion of hydrocarbons other than tertiary olefins are separated.  The extract is then preferably heated at above 2,000 DEG  F. per minute, preferably with vaporization of the olefins.  The mixture of acid and released hydrocarbons may be immediately chilled to a temperature below the polymerization temperature.
Patent GB-653123-A (GB)
Title: Automatic lathe or like machine tool
IPC: B23B13/12
Filed: 1948-07-16
Abstract: 653,123. Turning. WARNER & SWASEY CO. July 16, 1948, No. 19117. Convention date, July 24, 1947. [Class 83 (iii)] A bar stock feeding mechanism for an automatic lathe having a plurality of hollow spindles each equipped with a collet chuck 36 and a chuck actuating sleeve 37 comprises a housing 13 supported independently of each spindle and in axial alignment therewith, a stock supporting tube 12 rotatably mounted in the housing in bearings 14, 15 and a removable filler tube 21, which receives the bar stock, keyed to the tube 12 to rotate therewith, the front portion of the tube 21 extending beyond the front ends of the tube 12 and housing 13 to support a slidable gripping finger tube 29 which extends into the sleeve 37 with substantial clearance, the tube 29 being moved axially, when the housing 13 has been indexed to a predetermined position, by means of a reciprocating slide member 35 to feed bar stock through the chuck when the latter is released. Each housing 13 is supported in indexable discs 16, 17, 18 mounted on a shaft 19 which is connected to, or formed as an extension of, the indexable spindle carrier of the lathe. The filler tube is held axially in the tube 12 by means of a retaining ring 25. The rear end of the shaft 19 is supported by one or more standards. In a modification, Fig. 6 (not shown), the tube 12 is replaced by a tube the front portion of which extends beyond the front end of the housing to support the finger tube. A filler tube may be used in this modification, if required. The Specification as open to inspection under Sect. 91 states also that the finger tube may be replaced by a feeding head. This subjectmatter does not appear in the Specification as accepted.
Patent GB-852862-A (GB)
Title: Engine governor including a fluid pressure controlled decelerator
Inventor: PARKS JOHN HARRISON
IPC: G05D13/10
Filed: 1959-06-04
Abstract: 852,862. Centrifugal governors. CATERPILLAR TRACTOR CO. June 4, 1959, No. 19117/59. Class 57. In a centrifugal governor for controlling the fuel supply to an engine and comprising flyweights 13 opposed by a spring 18, the loading on the spring is controlled by means including an hydraulic piston and cylinder, the position of the cylinder being manually adjustable. Movement of the flyweights actuates the engine fuel pump rack 17. One end of the spring 18 abuts a piston 20 slidable in a cylinder 27, itself slidable on a post 28, and supplied with oil under pressure from the lubricating oil system through a passage 30 in the post, a pipe 31 and a passage 32. The position of the piston 20 and thus the governor loading is normally set by a control lever 21 connected to a lever 23 on a rotatable shaft carrying a yoke 24 with pins 25 engaging a groove 26 in the cylinder 27. The governor loading may be reduced to temporarily decelerate the engine, without altering the control lever 21, by operating a foot pedal 39 to open a normally shut valve 35 and drain oil from the cylinder to the engine sump through a pipe 34 and a passage 33 in the post 28. The consequent upward movement of the piston 20 is limited by a spring 43. Release of the pedal 39 restores the piston 20 to its set position. The deceleration range is adjusted by adjusting the vertical position of the post 28; a nut 48 provided for the purpose being normally locked by a cap 46.
Patent GB-393103-A (GB)
Title: Apparatus for charging gases with radio-active emanations and carrying them along so that they will be absorbed in the organism by inhalation
IPC: A61M15/02
Filed: 1932-07-06
Abstract: 393,103. Inhalation apparatus. GODIN, L. F., 15, Rue Theodore de Banville, Paris. July 6, 1932, No. 19150. [Class 81 (ii).] A device for charging gases, which are to be inhaled, with radio-active emanations, comprises a chamber 1 for containing a radio-active material having perforated end walls 2, 3 and an internal perforated partition 8 whch separates the radio-active material 11 from filtering material 12. Valves 6, 7 of flexible material are provided at each end of the chamber which is fitted into a casing 13 formed as a face mask and provided with a valve 14.
Patent GB-853709-A (GB)
Title: An improved front end loading mechanism for tractors and the like
Inventor: WEBSTER FREDERICK
IPC: E02F3/34
Filed: 1956-06-21
Abstract: 853,709. Shovelling machines. BROWN INDUSTRIES Ltd., D. June 21, 1957 [June 21, 1956], No. 19192/56. Class 68(1). [Also in Group XXX] Pivotally supported at the front of vertically swingable, tractor-mounted arms g is a shovel or fork lift assembly. The angular relationship between the shovel or fork assembly and the arms is controlled by links n, p that are pivotally connected to each other, to the assembly, and to the tractor frame e at the same points as the arms g. Secured to the links n, rotation of which in one direction is limited by stops o on the frame e, are cams t, which cooperate with spring-biased latch members s rigidly secured on a shaft r rotatably mounted in the arms g. A hand lever v is secured to one of the links n. The relationship between the cams and the latches during the breakmg out of the assembly allows of the movement of the assembly lagging behind that of the arms until the latches engage detents in the cams. Unloading of the assembly is caused by pulling down on the lever v so that the latches clear the detents and ride over the cams.
Patent GB-869118-A (GB)
Title: Improvements in and relating to ethylene oxide polymer compositions
IPC: C08K5/3437
Filed: 1957-06-19
Abstract: Ethylene oxide polymers having a reduced viscosity of at least 1 are stabilized by the addition of phenyl beta-naphthylamine, polymerized trimethyldihydroxyquinoline or N-nitrosodiphenylamine.  The stabilized polymers are suitable for use in increasing the sedimentation and filtration rate of dispersions of coal, quartz, clays; as thickeners, sizes, binders, plasticizers for polymeric adhesives.  Ethylene oxide polymers having a reduced viscosity of more than 1 are obtained by polymerizing ethylene oxide in presence of catalysts such as the alkaline earth metal derivatives of organic hydroxyl compounds e.g. strontium methylate or certain pure metal carbonates e.g. strontium or zinc carbonates or ammoniates or amides of Group II metals.  Suitable methods are disclosed in Specifications 818,737, 869,115 and 869,116.  The stabilizer may be admixed with the polymer immediately after formation in presence of non-solvent diluents e.g. ethers, ketones, hydrocarbons, alcohols and esters, which are evaporated off; by admixture with the molten resin; or by soluttion in methanol, acetic acid, benzene and water containing 5% dimethyl formamide or acetonitrile.  Examples are given of unstabilized polyethylene oxide dissolved in acetonitrile alone or in admixture with various phenolic stabilizers as contrasted with the polymer mixed with the stabilizers of the invention.  Whereas after ageing for 20 minutes at 150 DEG C. the unstabilized polymer or the polymer stabilized with phenylphenols showed viscosity losses of more than 80% the polymers stabilized with (a) phenyl b-naphthylamine; (b) trimethyl dihydroxyquinone polymer and (c) showed losses of only (a) 31%; (b) 75% and (c) 68%.
Patent GB-932101-A (GB)
Title: Circuit arrangements for the damping of excess voltages in impulse generators
IPC: H03K3/537
Filed: 1960-06-01
Abstract: 932,101. Pulse-generating circuits. E. HAEFELY & CIE A.G. June 1, 1960 [March 4, 1960], No. 19342/60. Class 40 (6). In a multi-stage pulse generator of the type in which capacitors C are changed in parallel through resistors RL and discharged in series through spark gaps F, oscillatory charging of the stray capacitance K is minimized by connecting a further capacitor K 1  between corresponding points of successive stages. The invention minimizes the peak voltage between stages during discharge. Damping resistors Ri are provided. Capacitors K 1  may be connected between points 2, 3 and 4, 5 of alternate pairs of successive stages.
Patent GB-315702-A (GB)
Title: An improved lens system for use in connection with film projectors
IPC: G03B21/20
Filed: 1929-06-24
Abstract: 315,702. I. G. Farbenindustrie Akt.- Ges., (Assignees of Universum Film Akt.- Ges.). July 16, 1928, [Convention date]. Lenses.-A lens system for illuminating the film in a pro. jection apparatus has the focal length of the condenser adapted to the aperture of the objective in such a manner that the enlarged picture of the field of the lamp almost completely fills the aperture of the objective, the diameter of the condenser being such that the rays of light near the edge of the field enter the objective and the whole of the condenser beam is utilized. The condenser 2 is composed of three separate lenses.
Patent GB-885177-A (GB)
Title: Improvements in or relating to a rotary riddle for root-crop harvesters
IPC: A01D19/14
Filed: 1959-06-05
Abstract: 885,177. Root-crop harvesters. STOLL, W. June 5, 1959 [June 6, 1968], No. 19378/59. Class 6(3). An inclined rotary riddle, in a root-crop harvester, is provided with radial beaters comprising arms 6, 6<SP>11</SP> swingably mounted about pivots 12 spaced from, but parallel to, the rotational axis 4 of the riddle, the beaters being swingable above the riddle surface, to engage the beets thereon. The riddle comprises a hub 3 with curved prongs 2 extending therefrom. The freely swingable arms 6, 6<SP>11</SP> alternate with similar arms 5, 5<SP>11</SP> which are similarly pivoted but are constrained by springs, Fig. 4 (not shown), to maintain a radial position. The swinging arms 6, 61<SP>1</SP>. have weights 7 at their ends. A grating partly surrounds the riddle.
Patent GB-264742-A (GB)
Title: Improvements in and relating to dish washers
IPC: A47L17/02
Filed: 1926-08-06
Abstract: 264,742. Bodman, W. L. Aug. 6, 1926. Plates, dishes, and the like, washing.-A cover shaped to fit an ordinary sink is provided with an aperture for the introduction of washing or scrubbing appliances interchangeably connected to a hollow handle which can be connected by a hose with a water-tap. Preferably, the cover has a wire screen front 13, and end pieces formed by two portions 10, 11 hinged together to facilitate the insertion and removal of the dishes. An aperture 17, for the escape of steam, may be provided. The handle comprises a tube 19 to which an internally-threaded collar 23 is secured. Adjacent to this collar a reduced part of the handle is provided with longitudinal grooves normally covered by a sleeve 32. A brush 34, Fig. 7, mav be secured in these grooves and stayed by a member 35. A soap or disinfectant container 24, Fig. 5, may replace the brush, its bottom being provided with a threaded hollow boss engaging the collar 23. This container has an internal concentric tube 31 sliding over the tube 19 and loosely fitting a spraying nozzle 27 flattened at its central end portion. A pan scraper 36, Fig. 9, is also provided with a member engaging the collar 23.
Patent GB-678536-A (GB)
Title: Improvements in or relating to operating arrangements for electric time switches
IPC: G04C23/10
Filed: 1950-08-03
Abstract: 678,536. Time switches. MIDGLEY, A. H. Dec. 6, 1950. [Aug. 3, 1950 ; Aug. 11, 1950 ; Sept. 4, 1950] Nos. 19446/50, 19983/50 and 21783/50. Class 38 (v). [Also in Group XXIV] An operating arrangement for a time switch for converting regular into intermittent movement comprises driving and driven members mounted on a common shaft and coupled by a helical spring around the shaft and fastened at its ends to projections on the members, the driven member being locked by a spring-loaded catch to stress the spring, the catch being released by the projection on the driving member to which the spring is fastened. In one arrangement, Figs. 1 and 2, the driving member is a gear wheel 2 rotatable about a shaft 3 to which is secured the driven member (a disc 4), the gear 2 and disc 4 having projecting pins 6, 5 on their adjacent faces, the ends of the spring 71 being hooked round said pins. On rotation of gear 2 by a motor (not shown), the spring drives disc 4 round until a spring-loaded pivoted catch 8 engages and holds the pin 5 to stop the disc. Further rotation of the gear stresses the spring until the pin 6 trips the catch so as to allow the spring to rotate the disc rapidly, the pin 6 being larger than pin 5 so that it is not engaged by the catch. The disc has a cut-away portion with a projecting tooth 4a which engages and rotates an eight-toothed Geneva wheel 10 through one step during the rapid movement of the disc, which is then again driven by the spring until locked again, and so on. The wheel 10 is rotatable on a shaft 9 carrying an eight-toothed pinion 12 meshing with a seventy-two toothed gear 16 on a shaft carrying switch-operating cams. Fixed to the pinion 12 is a plate 13 having notches at its ends engaged by parts 14a of a plate having downturned ends 14 engaging slots 11 in the wheel 10 so that rotation of the latter drives the pinion 12, and the gear 16 and pinion 12 may be adjusted in the same direction of rotation in 5 degree steps independently of the wheel 10, backlash of gear 16 being prevented by a spring-loaded member 16a. In a modification, Fig. 3, the catch 8 co-operates with a cut-away stepped portion 4<SP>1</SP>a on the circumference of the disc 4, the tooth 4a being replaced by a pin 18 on the outer face of the disc, which also carries a smaller co-axial disc 19 having a portion 19a cut-away adjacent said pin. The gear 16 carries three spring loaded pawls 23, Fig. 5, spaced apart by 115, 115 and 130 degrees (or 125, 125 and 110 degrees) angles and co-operating with a twenty-four toothed gear 24 fixed to the cam shaft. The gear 24 is thus driven at any time by only one pawl 23, but when the cams are adjusted through 5 degrees steps, there is always one pawl in position to take up the drive. In a further modification, Figs. 6 and 7 (not shown), the pin 18 on the outer face of disc 4 co-operates with an eight-toothed star wheel fixed to the shaft 9.
Patent GB-1386722-A (GB)
Title: Pressure vessel for a nuclear reactor
IPC: G21C11/08
Filed: 1973-04-24
Abstract: 1386722 Nuclear reactor pressure vessels KRAFTWERK UNION AG 24 April 1973 [20 April 1972] 19446/73 Heading G6C A nuclear reactor pressure vessel comprises an inner, steel container 1, a heat-insulating layer 9 which surrounds and is spaced from the container, and an outer, pre-stressed concrete jacket 2, the spacing between the inner container and insulating layer being such that, when the reactor is brought to its operative state, the container expands until it bears on the insulating layer and hence the outer jacket, further expansion of the container then being prevented by the jacket. A filling layer 10 of concrete between the insulating layer and jacket 2 has embedded therein cooling pipes 11. The inner container has a cover 6 secured to a concrete closure 7 of the jacket. The reactor may be a PWR or a BWR. In a practical construction (Fig. 2), the insulating layer comprises inner and outer plates 15, 16 and an intervening space which may be filled with aluminium foil. Movable support elements 17 extend between the plates such that plates 15 can move, relative to plates 16, with the container 1 as the latter expands, thereby reducing friction at the surfaces of the container and plates 15. A detailed arrangement of the support elements 17 and their capability of adjustment to vary the spacing of the container 1 from the insulating layer is described (Fig. 3, not shown). The upper region of the inner container 1 is formed with toroidal expansion elements 5 and supported by annular members 19. In an alternative construction (Fig. 4, not shown) the use of rolling elements (35) supported in a cage (36) is made.
Patent GB-728075-A (GB)
Title: Improvements in and relating to insoles for footwear
IPC: A43B17/08
Filed: 1952-08-01
Abstract: 728,075. Socks for footwear. SCHOLL MANUFACTURING CO., Ltd. Aug. 1, 1952 [May 15, 1952], No. 19597/52. Drawings to Specification. Class 17 (2). A loose insole for insertion in an article of footwear comprises a layer of cushioning material impregnated or coated with a deodorizing substance which includes chlorophyll or a chlorophyllin, with or without an antiseptic substance, such as menthol, or a medicament, such as eucalyptus, or phenol. The cushioning layer may be covered by a relatively thin cover of rayon, silk, artificial silk, nylon or other fabric, which is painted with the deodoring substance or which may be dipped into it, or the cushioning layer may be of some form of cotton in resilient form, such as cotton felt, fibrous materials, thermoplastic or thermosetting plastics, sponges, foam latex with intercommunicating cells, cork or cork associated with a binder, all having passages &c. preferably intercommunicating for passage of air when in use. In one method described, the perforations and cells, if any, in the cushion element may be filled by forcefully blowing the deodorant in powder form into the cushioning material.
Patent GB-804697-A (GB)
Title: Improvements in x-ray tubes
IPC: H01J35/22
Filed: 1956-06-25
Abstract: 804,697. X-ray tubes. MACHLETT LABORATORIES, Inc. June, 25 1956 [July 22, 1955], No. 19618/56. Class 39(1). A flash X-ray tube has an anode 18 lying axially within an annular cathode 29 and an annular trigger electrode 31. In operation, an arc is created across the cathode-trigger gap which forms a source for the electrons which strike the anode. The latter is heated sufficiently for vaporization to occur, the metal ions passing back to the cathode so that production of X-rays is eventually terminated. This transit time may be controlled by suitable choice of dimensions, and by suitable shaping of the electrical field between anode and cathode, the field being dependent on the shape of the electrodes themselves. The anode 18 is shown as conical, and the cathode and trigger surfaces are shown more clearly by Fig. 2. Each has a bevelled surface 30, 32, which are co-planar. The relative diameters are such that, on expansion, the trigger electrode 31 can just telescope within the cathode 29 without damage to the sharp field emission edges. Figs. 3, 4, and 5 (not shown) give alternative shapes for the cooperating edges of the cathode and trigger annuli, which may be reversed. The construction has the further advantage of substantially reducing the amount of vaporized anode material depositing on the envelope walls. U.S.A. Specification 2,311,705 is referred to.
Patent GB-223990-A (GB)
Title: Improvements in or relating to means for carburetting air for illuminating and other purposes
IPC: C10J1/00
Filed: 1923-08-01
Abstract: 223,990. Snell, A. C., and Edwards, VAug. 1, 1923. Carburetting.-Air is driven through a carburettor N and stored' in a bell A floating on a tank C, by the oscilatory motion of a bell H. which is controlled by the movement of the bell A. The bell B, the open end of which is closed by water in a tank D, is mounted so that its downward rotation about the axis of a cylinder X drives air through the carburettor, while its upward movement sucks in fresh air through the pipe W provided with a non-return valve Y. The carburettor N. comprises an outer tube N open at the top and closed at the bottom to form a reservoir for the fluid supplied through the pipe R, a smaller tube S closed at the top and open at the bottom, an annular trough U containing the carburetting fluid, and a tubular sealing cap T. The air enters from the bell B through a pipe 0 and is forced through the fluid in the annular trough U. Extra air may be supplied through a pipe P..The carburetted air is stored in the bell A and, when it is drawn off through the pipe Q, the downward movement of the bell A causes a projection thereon to strike a pawl K and release the pulley G, which oscillates the bell B and thus forces more air through the carburettor.
Patent GB-957776-A (GB)
Title: Device for the opening and closing of hatchways
IPC: B63B19/21
Filed: 1960-06-03
Abstract: 957,776. Hatch covers. INSTITUT FUR SCHIFFBAU. June 3, 1960 [Feb. 20, 1960], No. 19742/60. Heading B7S. A hatch cover comprises elements 2 which are interconnected and which are wound on or off the reel 3, 4, as it moves across the coaming, to open or close the hatchway. The reel 3, 4 is moved by cables 9a, 9b and is provided with discs 5 at each end of varying diameter to allow for each successive layer of elements. Each disc associates with a staggered length of rail 6 disposed on the coaming 7 which also serves to guide the reel across the hatchway. The discs 5 are spirally cut over a portion of their diameters to provide an even lead in. The peripheries of the discs 5 may be serrated to engage pins welded to the rails.
Patent GB-676167-A (GB)
Title: Improvements in or relating to rotary electric machines
IPC: H02K21/22
Filed: 1950-08-09
Abstract: 676,167. Dynamo - electric machines. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Aug. 9, 1950 [July 4, 1950], No. 19797/50. Class 35. The relatively rotatable magnetic members of a small motor or generator, e.g. a hub dynamo are spaced by balls or rollers and one of the members is resiliently mounted so that the air-gap is not affected by distortion of the hub. In the form shown, having an axial airgap, the permanent magnet pole member 10 is rigidly secured inside the wheel hub 5 by a plate 8 bolted to the inner hub 2, whilst the imbricated coil member 21 is secured to the stationary cover-plate 11, the air-gap spacing being fixed by an axial ball race 15, 16, 17. The cover-plate is mounted on a resilient rubber bush 12 secured by nut 13 to the wheel spindle 1. In an alternative form, the plate 11 may be mounted rigidly whilst the magnet is packed in position in the hub by resilient buffer rings. In a form having a radial airgap, the outer member is spaced by roller bearings from the inner member and is secured in the hub by resilient rings between its outer surfaces and the inner surface of the hub. The resilient members may be rubber or springs, and the dynamo parts may be interchanged.