baber/WOPTO huggingface dataset:
Patent GB-741292-A (GB)
Title: Improvements in or relating to a method of drafting textile fibers and to needle bar mechanism for drawing frames
IPC: D01H5/02
Filed: 1952-07-18
Abstract: 741,292. Textile drawing frames and rollers. WHITIN MACHINE WORKS. July 18, 1952 [Oct. 18, 1951], No. 18204/52. Classes 120 (1) and 120 (2). In a process for drafting fibres 47 between feed 11 and delivery 14 rollers, the fibres are engaged with the needles of moving needle bars 33, 34, and needles in engagement with fibres in a zone adjacent the delivery rolls are moved at the same speed as such fibres. Throughout most of the drafting zone a predetermined orientation of the needles with respect to the fibres is maintained, but adjacent the delivery rolls, rotation of the bars about their axes is controlled by said engagement. A drawing frame needle bar mechanism comprises a sleeve 29 secured to a shaft 19 and carrying discs 31, 32, comprising alternating holes 36, 39, and slots 37, 40, receiving the reduced ends 35 or 38 and the opposite ends of alternately oppositely disposed needle bars 33 and 34. The primary control of the bars is effected by elements comprising crank members mounted on the ends of the bars : each bar 33 and 34 has a head 48 or 51 at one end and carrying a pin 49 or 52 on which is mounted a bearing 50 or 53, and the bearings are arranged to trail the respective bars and be operated by engagement with fixed corresponding cam tracks 54, 55 as the shaft 19 rotates so that the needle bars are locked in correct relation to the fibres. Each cam-track has an enlargement 60 formed on the inner surface of a removable insert 61 whereby each bar in turn as it nears the delivery roller is freed from the control of the tracks so that it can turn freely under the action of the advancing fibres. Specification 741,349 is referred to.
Patent GB-621474-A (GB)
Title: Generator of time modulated pulses
IPC: H04N7/084
Filed: 1945-07-17
Abstract: 621,474. Pulse modulation; pulse shaping Circuits. LORD, A. V., and PYE, Ltd. July 17, 1945, No. 18237. [Class 40 (v)] A generator of width modulated pulses in which both edges of the pulses vary with the modulation, is associated with means for mixing blanking pulses with the modulated pulses whereby width modulated pulses are produced having one fixed edge. The modulating waveform is applied to the junction of resistances R2, R3, Fig. 3, and a source of sawtooth pulses to the junction of resistances R1, R2, which is connected to the cathode of a diode D1. The latter is connected in series with resistance R4 across resistances R2, R3 and the mean potential of its cathode is adjusted by a potentiometer P connected to resistance R1. The sawtooth pulses appearing across R4 are thus modulated in base width, and are passed to a limiter stage the output of which consists of substantially rectangular pulses modulated on both edges. These pulses are mixed in valve V5, Fig. 5, with blanking pulses so timed that the output pulse from V5 comprises a portion raised above the level of the main pulse and having one edge fixed and the other edge modulated. This raised portion is selected by diode D3 and valve V6 to give the required output. The input sawtooth pulses may be produced by a generator triggered by the line synchronizing pulses of a television waveform. The blanking pulses may be derived from delayed pulses obtained from the line synchronizing pulses or from a relaxation oscillator or the like locked thereto. Specifications 602,033 and 621,479 are referred to.
Patent GB-1149617-A (GB)
Title: Improvements in and relating to an exhaust-turbo-charged two-stroke internal combustion engine
Inventor: A STERGAARD ANDERS
IPC: F02B37/02
Filed: 1966-04-26
Abstract: 1,149,617. Turbo-charged I. C. engines. BURMEISTER & WAIN'S MASKIN - og SKIBSBYGGERI. April 26, 1966 [April 29, 1965], No.18283/66. Heading F1B. In a two-stroke I. C. engine in which the exhaust gases are led through a first turbine to an exhaust receiver and from thence to a second turbine, the turbines driving compressors which supply a scavenging air receiver, the dimensions of the turbines and the timing of the engine exhaust and scavenging valves are chosen such that, during normal engine operation, the super-atmospheric pressure in the exhaust receiver lies between one half and one quarter of that in the scavenging air receiver and the super-atmospheric pressure in the scavenging air receiver is at least one third as high again as the minimum super-atmospheric pressure reached in each of the engine cylinders during the period between closing of the associated scavenging and exhaust valves. "Super-atmospheric pressure" means the pressure above atmospheric pressure. As shown, the exhaust gases from cylinder groups 1-3 and 4-7 respectively drive turbines 10 and 12, which exhaust into receiver 14. Gases from receiver 14 drive a turbine 16, which in turn drives a compressor 17. The latter delivers compressed air via coolers 18, further compressors 11 and 13 and cooler 19 to the engine scavenging air receiver 20.
Patent GB-1462615-A (GB)
Title: Suction cleaning apparatus
IPC: A47L11/34
Filed: 1973-04-16
Abstract: 1462615 Suction cleaning apparatus LAVER (CLEANERS) Ltd 16 April 1974 [16 April 1973] 18325/73 Heading A4F Carpets, upholstery and other fabrics are cleaned by a suction device wherein cleaning liquid is applied to the surface being cleaned and then removed by suction. The suction is produced by a fan 9 driven by a motor 10, the air being exhausted from an outlet which, as described, comprises openings 34 adjacent apertures 45. A flow of cooling air is thereby induced which passes over the motor 10, the cooling air being drawn from the ambient atmosphere at a position spaced from the suction air exhaust outlet, which in the described embodiment is situated under cap 40. As described, activation of the motor 10 creates a reduction of pressure in container 1, cover 2 and a flexible hose which is connected to a suction nozzle. Liquid is thereby drawn from tank 5 through a tube disposed within the flexible hose and discharged on to the surface. The used liquid is then sucked back through the hose to outer container 1, the air passing through port 11 to the fan 9. The cooling air is relatively moisture free since it is drawn from the atmosphere at a position remote from openings 34.
Patent GB-266206-A (GB)
Title: Improvements in and connected with heat exchange apparatus
IPC: F28D19/04
Filed: 1926-07-23
Abstract: 266,206. Babcoch & Wilcox, Ltd., Brown, A. Hall- and Jones, E. W. July 23, 1926. Cooling and heating parts.-A fan used in conjunction with a heat exchanger is constructed with hollow blades for using alternate passages D, E, for air and hot gases. The back plate G has openings through which air from the casing H enters the passages D flowing substantially parallel to the axis to pass two hollow thin walled cells K. Hot gases flow about the cells to enter the eye of the fan and be discharged tangentially through the passages E.
Patent GB-108426-A (GB)
Title: Improvements in Foundry Moulding Machines.
Inventor: TURNER JOHNSTON
IPC: B22C11/00
Filed: 1916-12-28
Abstract: 108,426. Turner, J. Dec. 28, 1916. Moulding-machines; flasks; guiding flasks; patterns. - The machine comprises a rectangular box a adapted to slide upon upright standards b passing through openings in the floor of the box. The box a has secured to its floor a pattern plate d which is perforated and receives tapered disks carrying pins and screws to secure the pattern. The alinement of the mould is ensured by sockets h having twin eyes connected by a web, or a single eye, in connexion with guide-pins. In the case of large moulds, a skeleton flask g, the sides of which are kinked to form finger holes, is arranged inside the box a and is supported upon the standards. The box is raised and lowered by a hand-operated lever.
Patent GB-359513-A (GB)
Title: Improvements in and relating to mechanical coursing track apparatus
IPC: A63K1/02
Filed: 1930-06-18
Abstract: 359,513. Dog-racing apparatus. SUMNER, W., Lomond Road, Edge Lane, Liver. pool. June 18, 1930, Nos. 18558/30 and 6018/31. [Class 132 (i).] A mechanical coursing apparatus of the kind in which a trolley 10, Figs. 1 and 2, carrying a lure 23 is driven on a rail 1 by a flexible connection 16 attached to a preferably endless haulage cable 9 has an elastic connection 13 between the tow rope 16 and the carriage. The trolley 10 comprises a plate having upper and lower wheels 12 engaging the rail 1 and is provided with brackets 14 to which is attached the elastic band 13 which may be surrounded by an inelastic chain 15. The coupling 16 is connected at 17a to the band 13 and has at its other end a sleeve 17, Fig. 4, free on the cable 9 its longitudinal movement thereon being limited by stops 18 between one of which and the sleeve a number of washers 19 are interposed. The rope 9 is led around guide pulleys 5 and tensioning pulleys 6, 7 supported on uprights 4. A screen 36, Fig. 2, protects the apparatus from the weather and the pivots of the pulleys 4, 5, 6 may be protected by caps 37.
Patent GB-864376-A (GB)
Title: Improvements relating to pit-props
IPC: E21D15/58
Filed: 1957-06-12
Abstract: 864,376. Mine roof supports. GUTEHOFFNUNGSHUTTE STERKRADE A.G. June 12, 1957 [June 28, 1956], No. 18586/57. Class 20(2) A telescopic pit prop comprising two tubes 7, 8, Fig. 3, is clamped in its extended position by a spindle 1 and nut 2 which are rotated in a housing 9 by a lever 6 to force a pressure piece 10 on to the inner tube 7, and the tubes 7, 8 are retained clamped after the removal of the spindle 1 and nut 2 by the insertion of a two pronged wedge 11. The nut 2 has two flat faces which prevent its rotation within a vertical slit in the housing 9. A hydraulic piston and cylinder may replace the spindle and nut. In an alternative embodiment the opposed jaws of two torquelike clamping rings as described in Specification 851,859 are forced open to clamp the parts of the prop by a tightening device comprising a nut 14, Fig. 5, containing two bearing parts 15, 16 which engage threads of opposite hand inside the nut 14. Projections on the ends of the parts 15, 16 engage in recesses in the jaws so that rotation of the nut 14 by its projection 6 forces the parts 15, 16 outwards to clamp the prop. An axially slidable wedge is then inserted between the jaws and the device is removed, helical springs 17 returning the parts 15, 16 to their original positions. A pin 18 prevents the springs 17 from bending.
Patent GB-1060652-A (GB)
Title: Improvements in or relating to percussive apparatus
IPC: B25D11/06
Filed: 1963-05-10
Abstract: 1,060,652. Percussive tools. M. A. STU TZ. May 4, 1964 [May 10, 1963], No. 18613/63. Heading B4C. A percussive tool, such as a power hammer or vibratory power drill, comprises a striker 18 arranged to be reciprocated by rotary flyweights 34, 44 mounted for rotation in opposite senses on opposite sides of the striker, each flyweight being balanced by another flyweight 38, 42 rigidly connected to it and arranged so that the two connected flyweights lie one on each side of the striker. The striker is formed with arms 22 which are bored for slidable engagement on guide rods 26 extending between lower and upper parts 56, 58 of a casing 10. The lower part 56 supports a drill 14 and a transmitting rod 62, and the upper part supports a bearing for the shaft 16 of an electric motor 12 in a housing formed with a handle 52 and carrying a switch 54 for the motor. The shaft 16 carries a rotatable block 50 which has a splined connection with a shaft 48 secured to a bevel pinion 46 mounted in the striker 18. The pinion meshes on one side with a bevel gear 40 which is mounted on a shaft 30 carrying at its ends the flyweights 42, 44. The other side of the pinion meshes with a bevel gear 32 which is integral with or secured to the flyweight 34 and is mounted on one end of a sleeve 28 rotatable on the shaft 30 and carrying at its other end the flyweight 38. The arrangement is such that all the flyweights reach their highest and lowest positions at the same time, the flyweights 34, 38 rotating in the opposite direction to the flyweights 42, 44 to reduce any tendency of the tool yawing. The lower position of the striker is cushioned by a spring 64 coaxial with the rod 62 or by springs on the guide rods. The upper position of the striker is cushioned by a spring 66 and additional springs 68 on the guide rods are operated momentarily when the striker is in its upper position to impart additional impetus to the striker.
Patent GB-879765-A (GB)
Title: Improvements in or relating to a covered button
Inventor: MISHKIN SIDNEY
IPC: A44B1/12
Filed: 1960-05-26
Abstract: 879,765. Buttons. BAC-A-BRAND PRODUCTS Inc. May 26, 1960, No. 18672/69. Class 43. A button kit for assembling a cloth covered button comprises a drawn sheet metal front shell 12 having a peripheral wall permanently locking a drawn sheet metal intermediate plate 16 within the front shell, a rearwardly extending shank 18 and a circular sheet metal back plate 40 having a centre hole for reception of the shank in which the back plate is slidable on the shank to a position in which the peripheral edge of the back plate bears against inturned cloth or fabric previously wrapped around the shell, the back plate having short slits at its centre hole and being so related to the shank that the back plate can be locked on the shank in the position in which the back plate bears against the cloth or fabric. The disc plate is centrally slit to form two tabs notched at the ends to engage the legs of the shank which may be serrated. The back plate may have a peripheral rib. A disc 24 having adhesive on the upper or both faces may be applied to the intermediate plate to secure the ends of the cloth. In assembling the button the parts may fit into an outer drape shell with a centred aperture, the shell being removed after completing the button.
Patent GB-460171-A (GB)
Title: Improvements in electric impedance networks
IPC: H03H7/07
Filed: 1936-07-06
Abstract: 460,171. Impedance networks. SIEMENS & HALSKE AKT.-GES. July 6, 1936, No. 18710. Convention date, July 5, 1935. [Class 40 (iii)] Bridged - T networks having inverse series and shunt elements Z and R<2>/Z are known to have an invariable iterative impedance R provided that the resistances shown have the values R /c, Rc, R /b and Rb respectively, where c is arbitrary and b = (c<2> - 1) /2c, and also to have an invariable transfer constant. According to the invention, the " four-pole " comprising the resistances is replaced by a reactive four-pole so calculated that a phase lag is introduced, although the iterative impedance of the whole network remains equal to R. Thus, close-coupled and oppositely connected transformer coils may be introduced, Fig. 4, or a subordinate bridged-T network a<2>Z, R<2> /a<2>Z, Fig. 6, may be employed, together with tapped windings T1, T2. The winding T2 may be replaced by a tapped resistance, Fig. 5 (not shown). The elements Z and R<2> /Z, Fig. 6, may be interchanged, Fig. 7 (not shown).
Patent GB-400726-A (GB)
Title: Improvements in foul air extractors
IPC: B60H1/24
Filed: 1932-07-02
Abstract: 400,726. Ventilating vehicles. ROE, L. B., 8, Moss Lane West, Brooks' Bar, Manchester. July 2, 1932, No. 18727. [Class 137.] A shaped baffle e is arranged in front of a ventilator d so that air passing over the baffle may extract air from the front opening d<1> of the ventilator, which is for use on motor or other vehicles. The ventilator comprises a short sleeve b in a baseplate a to which is attached a curved plate d, with or without a lower plate c through which the sleeve b passes. With the vehicle in motion, air is extracted through the sleeve b, and passes out at each of the openings d<1>, d<2>. When the vehicle is for use in either direction, a second baffie such as e may be positioned adjacent the opening d<2>. Specification 273,094, [Class 137, Ventilation], is referred to.
Patent GB-167161-A (GB)
Title: Covers for drinking glasses, cups or the like
IPC: B65D51/02
Filed: 1921-07-12
Abstract: 167,161. Delaunay, J. B. E. J. July 29, 1920, [Convention date]. Covers.-A cover for a drinking-glass, cup, &c., comprises a pasteboard &c. disc a over which is pasted a larger circular paper sheet b, the marginal edges of which are turned down and folded to form a cylindrical flange c which can be adjusted to fit vessels of varying diameters. A tongue d is provided for lifting the cover.
Patent GB-613361-A (GB)
Title: Improvements in or relating to bread-boards
IPC: A47J47/00
Filed: 1946-06-22
Abstract: 613,361. Bread boards. BRAMHALL, A. L., and BRAMHALL & CO., Ltd. June 22, 1946, No. 18792. [Class 28(ii)] A shaped slot is cut in a bread-board to accommodate a knife. A narrow groove 15 is cut in the underside of the board 10, and has extensions 19 cut on one or both sides to a width sufficient to accommodate the knife blade 20. The complete slot is cut by a formed milling cutter and may be along the centre line of the board or close to and parallel with one edge, in which case a notch is also cut out to accommodate the knife handle. If the board is sufficiently thick, the knife blade may be accommodated vertically within the thickness of the board. Specifications 410,933 and 598,944 are referred to.
Patent GB-955446-A (GB)
Title: Methods of applying emitter coatings to cathodes of electronic tubes
IPC: H01J9/04
Filed: 1962-05-16
Abstract: <PICT:0955446/C3/1> In a method of making a cathode, an electron-emissive film 2 is formed on a flexible carrier foil 3 and is applied, together with the foil, to a cathode core.  The carrier foil may be produced from a solution comprising 24 gms. of dinitro-cellulose, e.g. soluble gun cotton, 200 ml. of butoxyl, 400 ml. of butyl acetate, 200 ml. of butyl glycol, and 200 ml. of polyacrylic acid ester 40% dissolved in xylene.  The emissive film may be produced from a suspension of alkaline earth carbonates, of grain size less than 6m , with a binder content of 2 to 2.5% by weight of a dinitrocellulose, in the above solution.  The foil 3 or film 2 are formed successively by feeding the appropriate solution through a capillary nozzle 4 in the form of an elongated slit having a width of 0.3 mm. to form a foil 3, 8 to 10m  thick, and a width of 0.1 to 0.13 mm. to form film 2.  The foil 3 may be detached from the base, by immersion in water, prior to formation of film 2, but is preferably detached afterwards and after drying in air at 100 DEG C.
Patent GB-792034-A (GB)
Title: Improvements in cushioning insoles for shoes
IPC: A43B17/03
Filed: 1956-06-18
Abstract: 792,034. Innersole foot-arch supports. TOWN. E. W. June 18, 1956, No. 18811/56. Class 17(2) An insole comprises two sheets of material, preferable heat sealable plastic, joined round their edges the top sheet 10 being slit at 12 to provide two pockets. A sealed pneumatic cushion having two chambers 16 and 17, 18 is inserted in the forward pocket in a lengthwise adjustable position. The insole sheets are joined along a line 13 to provide a positioning obstruction for the metatarsal chamber 18. The heel pocket has a stiff plate member 20 to aid positioning of the insole in the shoe or alternatively a U-shaped pneumatic heel cushion may be provided. The pneumatic cushions are preferably also made of heat sealable plastic material.
Patent GB-1334606-A (GB)
Title: Siliceous gel particles having large pores
IPC: B01J20/10
Filed: 1971-06-03
Abstract: 1334606 Silica gel PRODUITS CHIMIQUES PECHINEY-SAINT-GOBAIN 3 June 1971 [4 June 1970] 18853/71 Heading C1A A siliceous hydrogel is dried at a temperature not exceeding 500‹ C. to obtain siliceous gel particles having an average pore diameter greater than 40Š which are treated with an aqueous medium containing ammonia or an amine (e.g. ethylamine or ethylene diamine) in an autoclave under a pressure exceeding atmospheric pressure to increase the average pore diameter of the particles without substantially altering their total pore volume wherein the individual pore diameters of the product particles vary over a wide range. The aqueous medium is in the vapour or liquid phase. The siliceous hydrogel may be silica hydrogel, and may contain an oxide or hydroxide of an element other than silicon (e.g., Mg, Al or Zr) and may be in the form of balls, of fragments obtained by crushing a set silica gel or of agglomerates produced by extrusion or compression of a paste comprising a silica gel.
Patent GB-1117709-A (GB)
Title: Improvements to automatic telecommunication exchanges
IPC: H04Q1/22
Filed: 1966-04-29
Abstract: 1,117,709. Automatic exchange systems. INTERNATIONAL STANDARD ELECTRIC CORP. 29 April, 1966 [6 May, 1965], No. 18861/66. Heading H4K. In an exchange system having first units, e.g. incoming junctors counectible via a switching network to second units, e.g. registers, routine tests of the system are performed by marking a selected junctor and a selected register such that a circuit arrangement can respond to the two markings in order to effectively mark busy all the junctors and registers other than the two selected ones, whereby a connection between these two can be set up. The system includes similar arrangements for testing registersender; register-digit receiver; register-marker; marker-outgoing junctor; incoming junctorvia register-digit receiver; connections. In addition the testing of a system having its junctors divided into groups, each of which groups is connectible to its own set of registers under normal conditions, but to registers of another set under overflow conditions is also described. In the case of register to sender or digit receiver connections, the register checks the availability of the latter components before it attempts to set up a connection. Cross-bar switches are used, but the switch between the registers and data coder/decoder CP may be a relay switch. Particular description.-The following relates to the testing of an incoming-junctor/register connection, but testing of the other types of connection is essentially the same (Figs. 3-6, not shown). Normally, a just-seized junctor JA (Fig. 2) has its contacts mml and mm2 closed, whereby an earth marking is extended over mq to the " coupler " CE which then proceeds to test the wires dis from the registers and on finding a free one completes a connection over cross-bar switch CC. If the junctor is subjected to testing, relay wr operates with mml and mm2, but provided a register has not been specified, the operation is as before until the connection is complete, whereafter a relay we in the register comes up to indicate that this register is being subjected to a test call. In addition, whenever "coupler' CE operates a busy relay wc (not shown) therein is energized. If the register is also sujected to testing, a relay ws therein operates followed by wb in the "coupler." Thus, when the test call arrives and contacts mml and mm2 close, relay wo comes up (wr already being up), whereby the " coupler " effectively finds all the registers busy except that one having battery on its wds lead and so causes the marked junctor and register to be connected together. we comes up as before, and the " coupler " then releases.