baber/WOPTO huggingface dataset:
Patent GB-716391-A (GB)
Title: Improvements in and relating to gas turbines
Inventor: BARRETT JOHN LESLIE
IPC: F01D9/04
Filed: 1952-02-11
Abstract: 716,391. Elastic-fluid turbines. ENGLISH ELECTRIC CO., Ltd. Feb. 6, 1953 [Feb. 11, 1952], No. 3515/52. Class 110(3) In a gas turbine in which stator blades are mounted in blade-retaining rings consisting of separate segments 2, 2<SP>1</SP>, 2<SP>11</SP> which are capable of individual thermal expansion and are spaced circumferentially from one another at least in the cold state, the segments are of a bending strength lower that that of the outer stator casing 1 into which they are fitted. The segments have root portions 13 which engage undercut circumferential grooves 1<SP>1</SP> formed in the casing 1, and the stator blades have root portions which engage axial slots formed in the segments. Each segment is located by a radially-directed bolt 3 which engages an axial groove 16 formed at the centre of the outer surface of the segment. The bolts engage screwed bushes 14 and are secured by cap nuts 15. Slots A, B, C, D are formed in the segments to reduce their bending strength. Ducts 7 are formed in the casing 1 for the supply of cooling air to radial and axial clearances 4, 6 between the segments and casing and longitudinal ducts 8 are also formed in the casing for supply of cooling air. Axial bores 11, 12 are formed' in the blade roots 9, spacers 10 and segments 2, 2<SP>1</SP> 2<SP>11</SP> to reduce the cross-sectional area of metal available for heat conduction from the profile portions of the blades. Specification 675,484 is referred to.
Patent GB-164791-A (GB)
Title: Improvements in tyre stripping machines, and the like
IPC: B29B17/02
Filed: 1920-02-05
Abstract: 164,791. Helliwell, R. B. Feb. 5, 1920. Stripping rubber tyres.-An automatic chuck is carried at each end of a shaft rotated by worm gear. The jaws of the chucks bear internally against the steel bands on which the tyres are mounted, the first action of the shaft being to extrude the jaws and then, as these grip, to turn the tyres. The stripping is effected by a knife fed against the tyres by chain and screw gear, an oscillating motion being at the same time given to the knife by independent crank and connecting- rod mechanism. The chuck is shown in Fig. 4. Rack bars 12, 12a carry jaws 13 at the ends which are thrust outwards by the action of the pinion 17 keyed on the shaft 1. This shaft is driven by the worm-wheel 5, Fig. 3, and worm 6 from the shaft 7 of the belt pulley 11. A ratchet-wheel 20 and pawl 19 prevent back motion. Frames 22 at each end of the machine carrying knives 21 are advanced by the screw 25 turned by chain gear 28, until they reach and rip off the tyres. While in action, the knives are given an oscillatory movement due to the frames 22 being rocked on the screws 25 by connecting-rods worked by crankpins 40 on cranks 41 driven by a belt pulley 43.
Patent GB-562084-A (GB)
Title: Improvements in and relating to fluid controlling valves
IPC: F16K17/164
Filed: 1943-03-03
Abstract: 562,084. Safety cut-off valves. SAUNDERS VALVE CO., Ltd., and SUTTON, F. March 3, 1943, No. 3526. Divided out of 559,679. [Class 135] A safety cut-off device comprises a self-closing and self-locking diaphragm valve closed and held closed upon a fall in the fluid pressure in the main conduit by a piston moving in a cylinder to which fluid has normally no access, but to which pressure is admitted by an auxiliary valve which opens under spring pressure against the pressure of fluid upon it and is locked in the open position. The main valve comprises a diaphragm 1 adapted to co-operate with a weir 3 and backed by. an annular comb 6 adapted to mesh with a comb 5 formed on the casing. The comb is screwed to a stud 19 having a head embedded in a boss on the diaphragm within a strengthening ring 21. The comb is also pinned to a rod 27 adjustably screwed to a piston 8 and secured by an eccentric set-screw 30. The piston is acted on by a spring 28 and its downward movement is limited by shoulder 25. To open the valve a push-button 56, protected by a pivoted cover 57 and padlock 58, is depressed to open an auxiliary valve 55 and increase the spring- loading on a non-return valve 49. This releases the pressure above a piston 41 and permits pressure in the main actuating chamber to raise a piston valve against the action of a spring 36 to vent the main chamber through passages 51, 53 and 48. At the same time a cam 46 moves to allow a pressure inlet valve to close under the action of a spring 34. If the push-button is now released and the main conduit is under pressure, the main valve remains open. In the event of the pressure falling below a predetermined value, the spring 36 acts through the cam to reopen the valve and admit pressure to close the main valve. A part of the cam prevents restoration of pressure alone reclosing the valve 29.
Patent GB-554740-A (GB)
Title: Panelling
IPC: E04C2/38
Filed: 1942-03-18
Abstract: 554,740. Panels and panelled work. SPLITTER, B. March 18, 1942, No. 3577. Drawings to Specification. [Classes 20 (ii) and 20 (iv)] A panel for building construction consists of a sheet of wood, metal, asbestos cement, transparent material or cardboard held in a frame formed of slotted tubing to which the sheet is secured by rivets.
Patent GB-745425-A (GB)
Title: Improved means for indicating from a moving body in accordance with its state of motion
IPC: B60Q1/50
Filed: 1952-02-12
Abstract: 745,425. Road-traffic signals on vehicles. CRAIG, R. T. G.' Feb. 6, 1953 [Feb. 12, 1952], No. 3665/52. Class 118(2) [Also in Group XIX] Means for indicating from a moving body in accordance with its state of motion comprises an inertia - operated switch adapted to close one circuit and open a second circuit when the body is changing its speed or direction, while when the change of speed or direction of the body is arrested the one circuit is opened and the other closed. A device for a motor vehicle, for indicating to pedestrians whether they should cross in front of the vehicle, comprises a casing 1 having two compartments illuminated respectively by lamps 3 and 4, one compartment having an amber glass carrying the word "STOPPING" and the other having a white or green glass with the word "CROSS". Also contained within the casing 1 is an inertia switch 6, a three-position switch 9 and a tell-tale light 10. Windows 1a and 1b indicate the functioning of lamps 3 and 4 when the unit is mounted forward of the driver. The switch 7 (Fig. 3) is the usual foot-brake switch for operating the rear "stop" light 8. When driving in a built-up area the switch 9 is moved to the right (Fig. 3) so as to render the device automatically operable by the foot-brake, on application of which the pilot light 10 is lit and the weighted pendulum switch 6 swings forward to light lamp 3 and illuminate the "STOPPING" sign. When the vehicle comes to a standstill the switch 6 is restored to its normal position and is maintained in that position by the spring 6c, thereby lighting lamp 4 and the "CROSS" sign until the brake is released. By placing switch 9 in its mid-position the device may be thrown out of action when the vehicle is travelling on the open road, and by moving it to the left (Fig. 3) a signal may be given when the vehicle is stationary with the foot-brake not in use. A small modification (Fig. 4, not shown) comprises the use of a relay operated by the pendulum switch 6 the relay contacts controlling the lamp 3. Instead of using a pendulum a mercury switch may be mounted for inertia operation to constitute the switch 6. To indicate change of direction the inertia switch is mounted so that its direction of movement is transverse to that of the moving body. By changing over the spring 6c so that the normal position of switch 6 is as shown dotted the device may be used to indicate acceleration. Or by suitably positioning the inertia switch changes of direction or elevation in a vertical plane may be indicated.
Patent GB-1037071-A (GB)
Title: Improvements in or relating to electric cables
IPC: H01B7/32
Filed: 1963-01-29
Abstract: 1,037,071. Cables incorporating protective circuits. HOUILLERES DU BASSIN DU NORD ET DU PAS-DE-CALAIS, and SOC. INDUSTRIELLE DE LIAISONS ELECTRIQUES. Jan. 29, 1963 [Jan. 30, 1962], No. 3706/63. Heading H1A. Cables to be used in mines are provided with auxiliary conductors at least some of which have insulation which ruptures under shock or a crushing load or undergoes a change of resistance so as to complete a circuit cutting off the main supply. As shown (Fig. 1), the main current carrying conductors 1 are provided with a relatively strong rubber or plastic stuffing sheath 2 around which lies a conducting or semi-conducting layer 3 made of tapes or strips and outside this are the auxiliary conductors 46 alternately provided with insulation 5 of low mechanical strength. Outside this again is an external sheath 7. If the cable suffers mechanical damage the insulation breaks, coupling it through layer 3 to an adjacent uninsulated conductor to complete a circuit to cut off the supply. In modifications (Fig. 2, not shown) a layer corresponding to layer 3 of Fig. 1 is provided on both sides of the auxiliary conductors. In another (Fig 3, not shown) the main cable insulation is made semi-conducting enabling layers 3 to be dispensed with. In another, all the auxiliary conductors are coated with a semi-conducting material that becomes conductive under pressure.
Patent GB-160068-A (GB)
Title: A new or improved appliance for domestic fire grates
IPC: A47G5/04
Filed: 1920-02-07
Abstract: 160,068. Woolfenden, F. Feb. 7, 1920. Reflectors; trivets; fire-guards.-Heat-reflecting metal wings a are provided with hooks b by which they are. removably attached on either side of, and at an angle to, a grate. They may be combined with a fire-guard c<1> of woven wire &c., held by flanging over the front edges a' of the wings, or with bars d forming a trivet, which in the form shown have bent ends entering sockets formed on strips attached to the plates. One or more cross-bars g may be provided at the top for suspending food to be toasted &c. The wings a may be curved or corrugated.
Patent GB-495305-A (GB)
Title: Improvements in or relating to machines for making paper and like bags
IPC: B31B23/00
Filed: 1937-02-09
Abstract: 495,305. Cutting paper &c. webs. CHADWICK, C., and CHEETHAM, W. Feb. 9, 1937, No. 3780. [Class 31 (i)] [Also in Group XVII] A tubular web of transparent paper &c., formed about a former plate 25, is severed transversely at 36, 37 by means of stationary cutting blades 30, 31 mounted on the former plate, with which coact rotary blades 32. The ends 41 of the cuts 36, 37 are subsequently torn apart. The rotary blades 32 are of arched or flattened V-shape and are each formed from a thin flexible blade 42 mounted on a roller 34 being held against a shaped backing plate 43 thereon by a clamping plate 45 and screws 46. The fixed and rotary blades co-operate by a scissors-like action.
Patent GB-1359284-A (GB)
Title: Method of producing a flap having a hinge mounting arrangement
IPC: B60K15/05
Filed: 1973-01-25
Abstract: 1359284 Hinged closure flaps E D SCHARWACHTER KG 25 Jan 1973 [26 Jan 1972] 3839/73 Heading B3A A method of producing a generally rectangular flap 1, suitable for closing openings or recesses in a motor vehicle body, having a hinge mounting arrangement 13, 14 comprises producing a one-piece sheet metal blank in a single operation by means of a cutting and embossing tool, the blank having a generally rectangular main portion and a prolongation 10 extending from a short edge 9 of the main portion, the prolongation being profiled so as to include a pair of hinge lugs 13 each projecting perpendicularly from one planar face of the prolongation, and bending the prolongation 10 through 180 degrees about the short edge 9 so that the opposite face of the prolongation lies flat against the main portion with the hinge lugs 13 defining a hinge axis of the flap. The hinge lugs 13 are bent in relation to the plane of the blank along lines 15 and are adjacent a strip 16 which includes a reinforcement bead 18. The prolongation also includes a projection 19 which serves for the securement of a spring (not shown). When the prolongation is bent over flat against the blank face, edge portion 6 is also bent flat on the same blank face and edge portions 7, 8 are bent through 180 degrees so that they extend over edges 17 and secure the strip 16. A finger recess 6a for lifting the flap can be provided by deforming the main portion.
Patent GB-1064156-A (GB)
Title: Improvements in or relating to electrical filters
IPC: H03H11/12
Filed: 1966-01-28
Abstract: 1,064,156. Transistor amplifying circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Jan. 28, 1966 [Feb. 2, 1965], No. 3927/66. Heading H3T. A transmission network exhibiting a narrow "stop" band comprises a transistor in common emitter connection, having impedances which are equal in magnitude and phase angle at the rejection frequency connected respectively in the emitter circuit and between collector and base. As shown, a parallel RC network 4, 5 is connected in the emitter circuit and a series RC network 2, 3 between collector and base. The response may be sharpened by using resonant circuits, i.e. a parallel resonant network may be connected in the emitter circuit (Fig. 3, not shown) and in addition a series resonant circuit between collector and base (Fig. 4, not shown). A number of networks may be connected in parallel so as to obtain more than one "stop " band.
Patent GB-739426-A (GB)
Title: Improvements in and relating to knitting machines
IPC: D04B15/88
Filed: 1954-02-10
Abstract: 739,426. Knitting - machines. BOEHRINGER GES., GEB. Feb. 10, 1954 [Feb. 14, 1953], No. 3935/54. Class 74 (2). The fabric take-up of a straight-bar machine comprises hubs 4 secured to the take-up shaft 1 and between which a number of rollers 6 are mounted so as to be freely rotatable. The takeup straps 7 are attached to the hubs 4 so as to withdraw the fabric as it is knitted and wind it about the rollers 6. On completion of knitting, the welt rod is withdrawn and the fabric may be unwound by pulling its free end, the rollers 6 rotating to permit the unwinding without the necessity of rotating the shaft 1.
Patent GB-799053-A (GB)
Title: Factor b an antibiotic component of antibiotic e.129
Inventor: BALL STANLEY
Filed: 1956-02-08
Abstract: <FORM:0799053/IV (b)/1> An antibiotically active component of antibiotic E.129 (obtained by the fermentation of Streptomyces astreogriseus according to the methods disclosed in Specification 793,797) designated Factor B and being more water-soluble than Factors A, C, D, E and Z of E.129 is separated from crude E.129 by adsorption on acidic alumina followed by elution and subsequent purification by countercurrent distribution.  A solution of crude E.129 in ethylene dichloride is passed down a column of acidic alumina at pH 4.0 and the chromatogram thus obtained is developed with (a) ethylene dichloride, (b) chloroform and (c) a mixture of methanol, ethyl acetate and water.  The eluates are taken to dryness in vacuo, redissolved in a solvent such as chloroform and a hydrocarbon solvent such as petroleum ether added to precipitate mainly Factor A in the case of eluate (a) and mainly Factor B in the case of eluate (b), eluate (c) containing mixed Factors.  The crude Factor B is further purified by countercurrent distribution using at least 20 and preferably 25 transfers.  Suitable solvent systems are (a) ethyl acetate/water/methanol 4:2.5:1.5, and (b) benzene/methanol/water 2:1:1, 4:1:3 or 3:1:2.  Recovery is by removing the solvent from the mixed phases; or by extracting the separated aqueous phase with chloroform or methylene dichloride, adding the extract to the separated organic phase and then removing the solvent.  Factor B may be obtained directly from E.129 by countercurrent distribution.  The crude E.129 may, however, be purified by dissolving in methylisobutylketone, concentrating, filtering, adding petroleum ether to form a precipitate which is redissolved in methylene chloride.  The matter precipitating on addition of carbon tetrachloride is removed and petroleum ether added to produce a Factor B rich crude.  Factor B has an Rf value of 0.45 using a descending chromatographic system with Whatman No. 2 paper and the upper phase obtained after equilibration of a mixture of benzene methanol and water (100:45:55 v./v.) as developing solvent. In the same system, the Rp value of Factor Z is 0.7-0.8, Factor A is 0.65, Factor C is 0.17, Factor D is 0.055 and Factor E is 0. Infra-red spectra of Factor B in bromoform shows the following maxima: 3640, 3540, 3370, 2965, 2870, 1728, 1670, 1620, 1580, 1515, 1430, 1388, 1370, 1348, 1265, 1208, 1038, 1008, 976, 965, 929, 890, 869, 803 and 750 cms.-1.  It contains 63.25 per cent carbon, 7.10 per cent hydrogen, 8.05 per cent nitrogen and 21.60 per cent oxygen. Factor B dissolved in ethanol shows a weak maximum at 215 mm  (E1 per cent1 cm. =650) in the ultra-violet.  It is soluble in alcohols, ketones, esters, methylene dichloride, acetic acid, dioxane and dimethylformamide; moderately soluble in benzene less so in water and ether; insoluble in petroleum ether and carbon tetrachloride. Molecular weight is 650 (Rast camphor method); [a ]20D -17.40 in methanol; antibacterial spectrum given.
Patent GB-1185771-A (GB)
Title: Improvements in or relating to Winch Arrangements for use in Transferring Articles between Relatively Moving Stations
Inventor: INGRAM DAVID JOHN
IPC: B63B27/18
Filed: 1968-01-25
Abstract: 1,185,771. Winches. GENERAL ELECTRIC & ENGLISH ELECTRIC COMPANIES Ltd. 24 Jan., 1969 [25 Jan., 1968], No. 3995/68. Heading B8B. An arrangement for damping tension oscillations in a support cable 7 for transferring a load carrying trolley 9 between two relatively oscillating ships 1, 2 comprises a tensioned cable 16 connected to both ships for monitoring the variable distance therebetween whereby variable control signals related to the distance are generated, the signals being modified in response to tension variations in the support cable 7, and the effective lengths of the cable 7 being controlled in response to these modified signals. The support cable 7 looped between the ships includes a portion 12 on which the trolley 9 runs and a portion 11 fixed to the trolley to move it, the ends of the cable extending from winches 4, 5 on the ship 1. The cable 16 is wound on a constant tension hydraulic winch 6 on the ship 1 and a tachometer generator 19 associated therewith produces a signal related to the rate of change of distance between the ships, this signal being used to control the pump delivery for the hydraulic motors of the support cable winches 4, 5. This signal is however modified by an error signal generated by comparing a nominal tension signal with signals relating to the prevailing tensions in sensors 17, 18 on the support cable portions 11, 12. The velocity of transference of the trolley 9 is controlled relative to the ship 1 within a "clearance distance", as the trolley departs therefrom until a "transition distance" is reached when the velocity gradually becomes relative to the ship 2. Signals from a revolution counter 21 on the winch 4 related to the length of cable payed out are compared with constants representing the "clearance distance" and "transition distance" whereupon relative motions of the ships are accommodated by control of the winch 5 within the "clearance distance" and by both winches 4 and 5 equally in the "transition distance". Pivoted catcher arms 31, 32 on the ships lower the trolley to the ship's deck via rams 35 once the trolley has been received in the appropriate arm. In another embodiment the trolley is lowered by feeding a dummy signal to the winch control system whereby the cable 7 becomes slack to lower the trolley. In a further embodiment, Fig. 5 (not shown), the load engaging portion of the trolley is mounted so that it may be lowered from the trolley on to the deck by slackening the lower position of the support cable.
Patent GB-514937-A (GB)
Title: Improvements in and relating to coffee percolators
IPC: A47J31/02
Filed: 1938-05-19
Abstract: 514,937. Coffee percolators. WEIL, O. May 19, 1938, No. 4009. [Class 129] A coffee percolator in which the hot water is separated from the coffee has the water fed on to the coffee through elongated passages 12 in each of which is a pin 13 so that the water flows along thin annular channels. The percolator 8 has a heat insulating cover and is screwed on to the neck of a coffee pot 6 also covered with heat insulation 5. To control the flow an air vent 17, Fig. 4, with an adjustable needle 16 is provided in the filling stopper 9 of the percolator. The percolator pins have hook ends 14 to rest on the bottom of the water container. The water container can be provided with a float indicator, and may have an electric heater which on removal allows the percolation to begin.
Patent GB-1453973-A (GB)
Title: Compostites
IPC: C08J7/12
Filed: 1973-01-26
Abstract: 1453973 Laminates DUNLOP Ltd 25 Jan 1974 [26 Jan 1973] 4052/73 Heading B5N A method of producing a composite of a thermoset resin and a vulcanized unsaturated rubber comprises treating the surface of the vulcanized rubber with a modifying agent selected from concentrated nitric acid, a halogen-substituted isocyanuric acid and a salt of a mono- or di-chloroisocyanuric acid, applying a thermosettable resin to the treated surface and then curing the resin to a thermoset state. The rubber may be a styrene-butadiene rubber, natural rubber, nitrile rubber, polybutadiene or polychloroprene. The modifying agent may be applied to the rubber surface by dipping, spraying or brushing and preferably comprises trichloroisocyanuric acid or the sodium salt of dichloroisocyanuric acid. When nitric acid is used, it is preferably employed in the form of a gel or paste containing silica powder. The resin may be an epoxy, phenol-formaldehyde or melamine-aldehyde resin and may be reinforced with fibrous materials, e.g. glass fibres, the examples describing the use of resin-impregnated woven glass fabric sheets.
Patent GB-607583-A (GB)
Title: Improvements in electro-magnetic motors
IPC: H02K7/065
Filed: 1946-02-08
Abstract: 607,583. Reciprocating machines. HUNT, J. WALSH-. Feb. 8, 1946, No. 4072. [Class 35] An electromagnetic motor has a pivoted armature 5 driving a crank 8 through a connecting rod 7 which is mounted so as to slide in the armature against spring pressure as the crank approaches its bottom dead-centre. The coil 1 is intermittently energized by a rotary contact 10 mounted on the crank-shaft 9 and engaging a flexible brush.
Patent GB-1243609-A (GB)
Title: Cigarettes
Inventor: DOCK MORTIMER RUSSELL
IPC: A24D1/02
Filed: 1970-01-28
Abstract: 1,243,609. Cigarettes. M. R. DOCK. 28 Jan., 1970 [6 Feb., 1969], No. 4073/70. Heading A2C. Tobacco smoke inhaled by a cigarette smoker is diluted by air drawn through openings 18 at spaced, unsealed regions of the wrapper seam. These regions are stated to have a non-return valve action, opening on inhalation but tending to close under other circumstances, particularly in the event of exhalation.
Patent GB-1429171-A (GB)
Title: Hinges
IPC: E05D5/06
Filed: 1972-01-29
Abstract: 1429171 Hinges G LAMB [trading as GLADEX ENG] 27 April 1973 [29 Jan 1972] 4261/72 Heading E2F A hinge comprises two members 11, 12 axially spaced along a hinge pin 16; member 12 having a planar attachment portion and member 11 having two planar portions 13, 20. Member 12 is either bolted spot welded to a door 30 and portion 20 of member 11 is adjustably bolted relative to a frame 21. In Fig. 1 a flange portion 17 of the portion 20 has slots 18, 19 which are associated with slots on the frame which cross them at right angles for receiving bolts. In Fig. 2 the portion 20 has a single slot similarly associated with a slot formed in a tray member 31 secured to the frame 21. Both members are sheet metal pressings.