baber/WOPTO huggingface dataset:
Patent GB-125942-A (GB)
Title: Improvements in and relating to Occulting Lights for Signalling and other purposes.
IPC: H04B10/50
Filed: 1919-03-17
Abstract: 125,942. Benard-Barbier et Turenne. April 22, 1918, [Convention date]. Electric-lamp and flash signals.-A flash lamp for transmitting signals to a distance, more especially signals of the Morse code, is constructed with a lamp a which can be adjusted in position so as to vary the beam from a horizontal one to one inclined in either direction to the horizontal, and the lamp is fitted with a shutter comprising a series of vertically pivoted members b which are operated for closing and opening by a pivoted quadrant c which may be moved in the required direction by one of two electro-magnets d, e, or bv hand; in the former case the currents to the electro-magnets may be controlled by cam disks f which are rotated by an electric motor g, the required cam disk being employed to transmit the required dots and dashes to make up the desired signal. The arc lamp a may be adjusted vertically within the lantern casing by means of a member operated by three screw-threaded rods and nuts which are operated by hand and also locknuts. A scale and an arrangement of mirrors like those of view-finders may be used to check the adjustment of the lamp. The current to the motor g, which drives the cam-disk f through reduction gearing h, is controlled by a switch, and the cam-disk f controls a current distributor i which is pivoted on a horizontal pivot and pressed by a spring into contact with the cam f. The pivot of this distributor is connected to one line wire from a dynamo, and in the mid position of the distributor corresponding to the plain portion of the cam f no current passes to the electro-magnets e, d. When the distributor comes opposite a depressed part of the cam, the circuit is completed to the magnet d, and to the magnet e when it comes opposite to a raised part of the cam. The current is only sent momentarily to the electromagnets. The quadrant c may be operated by a handle l, or it may be rocked from the cam f by mechanical connexions. The whole device may be mounted on a trailer.
Patent GB-1531343-A (GB)
Title: Absorbent composition of matter
IPC: C08F2/00
Filed: 1976-02-19
Abstract: 1531343 Polyvalent metal complexes NATIONAL STARCH & CHEMICAL CORP 19 Feb 1976 [7 March 1975] 06691/76 Headings C3A C3P and C3U Ionic complexes are formed between (A) a water-soluble anionic polyelectrolyte and (B) a polyvalent metal cation of valency at least 3 and which is present in amount 0À01-5À0 milliequivalents per gram of polyelectrolyte. The complexes are solid, water-swellable, waterinsoluble materials, have a film swell index of at least 15 in synthetic urine, are capable of absorbing at least 15 times their own weight of body fluid and of retaining it under deforming pressure, and are capable of un-complexing at elevated pH and re-complexing at lower pH. In examples, polyelectrolytes selected from polyacrylic acid, polymethacrylic acid, acrylic acid / acrylamide copolymer, 2 - acrylamide- 2-methylpropane sulphonic acid / acrylamide copolymer, methyl vinyl ether/maleic anhydride copolymer (all the foregoing being used in partly neutralized form), un-neutralised polyacrylic acid, starch sodium sulphate, sodium carboxymethyl starch, sodium carboxymethyl cellulose and a polysaccharide derived from kelp; are complexed with a metal compound selected from acetates of Al, Cr and Zn, acetylacetonates of Al, Fe and Ti, aluminium sulphate, aluminium chloride or ferric chloride.
Patent GB-471543-A (GB)
Title: Improvements in or relating to carburetters for internal combustion engines
IPC: F02M1/00
Filed: 1936-03-05
Abstract: 471,543. Spray carburetters. BROWN, C., and AMAL, Ltd. March 5, 1936, No. 6720. [Class 7 (iii)] The float chamber 11 is carried from the carburetter body by a single helix of closely coiled stiff wire 4. The ends of the coil are held by nuts 6 in recesses in split bosses 3 and are prevented from collapsing by plugs 9. The fuel is fed to the body through a flexible pipe. Specification 381,475 is referred to.
Patent GB-512671-A (GB)
Title: Improvements in or relating to concentric high-frequency cables
IPC: H01B11/18
Filed: 1938-03-03
Abstract: 512,671. Cables. SIEMENS & HALSKE AKT.-GES. March 3, 1938, No. 6730. Convention date, March 4, 1937. [Class 36] The outer conductor of a concentric highfrequency cable consists of one or more bands 13, 14 arranged with abutting edges and with a large or infinite lay, the gap or each gap between abutting edges being covered by a supplementary band 17. The bands 13, 14, which have transverse grooves 15 or one or more helical grooves, are spaced from the inner conductor by means of helical spaces 11 and insulation 12; over the bands 13, 14, 17 are wound a band 18 of tenacious metal or insulating material and an insulating band 19: a watertight jacket 20 completes the cable. The supplementary bands may be continuously corrugated. The Specification as open to inspection under Sect. 91 comprises also a modification, Fig. 3 (Cancelled), in which the outer conductor comprises bands 21, 22 shaped to abut and overlap. This subject-matter does not appear in the Specification as accepted.
Patent GB-1300055-A (GB)
Title: Improvements in or relating to optical instruments
Inventor: WILSON THOMAS DERMOT HUME
IPC: A61B1/227
Filed: 1969-02-07
Abstract: 1300055 Endoscopes KEELER HOLDINGS Ltd 23 Jan 1970 [7 Feb 1969] 6760/69 Heading A5R [Also in Division G2] In an endoscope, e.g. an otoscope, the eyepiece comprises a binocular member 11 having reflecting means consisting of one pair of fixed mirrors 28, 27 divergent to the eyepieces and one pair of mirrors 32, 31 each parallel to and movable relative to their respective adjacent fixed mirror 28, 27, and a pair of eyepieces 30, 29 arranged so that a reflected image of a cavity area is visible in each eye-piece simultaneously. The binocular member 11 is mounted on the main body 10 of the instrument for rotation about the longitudinal axis of a tubular member 15 mounted on the body. The tubular member 15 is for insertion into the cavity. A lens 21 may be mounted coaxial with tubular member 15. If desired the lens 21 may be replaced by a pair of lenses, a fixed positive lens 36 (Fig. 3) and a movable negative lens 32. Lens 37 is moved by sliding a pin 39 in a helical slot 38 in the lens mount. This enables areas of the cavity to be brought into focus. A light source 22 may be provided using a battery or mains. This may be a fibre light guide.
Patent GB-570521-A (GB)
Title: Improvements in and relating to contacts in electrical switching devices
IPC: H01H1/16
Filed: 1943-04-29
Abstract: 570,521. Electric follow-up systems. PRECISION DEVELOPMENTS CO., Ltd., and OLAH, G. April 29, 1943, No. 6791. [Class 40 (i)] [Also in Group XXXVII] A follow-up switch between a director shaft 6 and a motor 1 for driving a driven shaft 5 comprises disc D1 ... D4 insulatingly carried on shafts I, F, O and formed with contact surfaces which are first brought into engagement by axial movement of the corresponding shaft I or F and then, during rotation of the shafts, remain in contact with a combined rolling and relative sliding motion, the amount of which depends on the diameter at the point of contact. The shafts I, F, O may be co-axial, or continuously driven, but, in the arrangement shown, when 6 is rotated, owing to the resistances offered by shaft 5, the helical gears I1, I2 cause I to slide axially, whereby D1 engages D2 or D3, depending on the direction of rotation of 6, and by sliding F axially bring D2 or D3 into engagement with D4. The motor 1 is thus connected over brushes B1 &c. to the supply and drives 5 in synchronism with 6, the counter-torque exerted by 5 causing the shaft I to be slid back axially when the rotation of 6 stops. This back-sliding may. make the reverse connections to the motor 1 for braking the shaft 5. In Fig. 3, roller-contacts R1 ... R6 and brushes B1 &e. are employed. Roller R1 is mounted on a fixed frame F1, roller R2 is mounted on a frame F2 having limited swivelling movement in frame F1, whereas R3 ... R6 are mounted on a frame F3 pivoted to F1 co-axially with F2. A pinion P2 drives a pinion P1 through gears C1, C2 in frame F2, this causing the latter to rotate, for example, clockwise, whereby R2 engages R3 and rocks F3 clockwise to engage R4 with R1 and complete the motor-circuit. When the driven overtakes the driving, member, the parts are restored and the circuit broken or reversed as in Fig. 2. The rollers are continuously rotated by a shaft Si carrying roller R1 and gears 67, 68. The gear 67 drives.a pinion P3 on a shaft in frame F3 and a pinion P4 on the same shaft drives gears G3, G5 on contact-carrying shaft S3, S5, which in turn drive gears G4, G6 on shaft S4, S6, these shafts being mounted in frame F3. The shaft S2 of roller R2 is driven from G8 through gear G2. The contact-surface of the rollers may be cylindrical or tapered, with provision for axial adjustment, and a member may be provided for continuously or intermittently conditioning the surfaces, as by polishing.
Patent GB-508241-A (GB)
Title: Improvements in means for signalling by flashes of light
IPC: H05B41/34
Filed: 1938-03-04
Abstract: 508,241. Supply systems for discharge lamps; kinematograph projection apparatus. 'GENERAL ELECTRIC CO., Ltd., FRANCIS, V. J., and THOMAS, E. R. March 4, 1938, No. 6828. Drawings to Specification. [Class 38 (iv)] [Also in Group XX] Switching control.-An apparatus for producing flashes of light for signalling or other purposes comprises a high brightness, high pressure metal vapour lamp which may be connected, through one of three circuit elements, to the supply, to give three degrees of light output for the markings, spaces and normal running. When operated from A.C. mains the circuit elements may conveniently comprise a choke provided with two tappings, a switch shorting the portion remote from the lamp when it is not being used for signalling and a signalling key shorting the portion between the other tap and the end of the choke remote from the lamp when the first switch is opened to allow signalling. The key may be operated by a relay including a grid-controlled discharge device. The lamp may be used in a kinematographic projection system, the shutter being dispensed with and the film illuminated intermittently by a switch corresponding to the signalling key. The lamp may be of the type described in Specifications 472,658 or 485,489, [both in Group XL].
Patent GB-1489276-A (GB)
Title: Variable venturi carburettor
IPC: F02M17/09
Filed: 1975-02-18
Abstract: 1489276 Spray carburetters HITACHI Ltd 18 Feb 1975 [22 Feb 1974] 6849/75 Heading F1H A variable Venturi carburetter comprises an air intake passage and a throttle valve, a movable Venturi vane located in the air passage to define a Venturi portion having a cross-sectional area commensurate to the throttle opening, first means adapted to be displaced responsive to negative pressure in the Venturi portion and control means for transferring the displacement of the first means to the Venturi vane to move the vane in a direction to decrease the cross-sectional area of the Venturi portion, when the negative pressure in the Venturi portion is decreased. Intake passage 2 includes a Venturi portion 7 which is partly formed by movable vane 6 which is pivotally mounted at one end 8 and is connected by lever 9, link 10 and spring 11 to lever 5 which is fixed on the shaft 4 of throttle valve 3. As the throttle valve opens, lever 5 moves link 10 through spring 12 and moves vane 6 to increase the crosssectional area of the Venturi portion; at the same time a metering needle 14 is withdrawn from a  fuel jet to permit increased flow of fuel. Under heavy load conditions or during acceleration, when throttle valve 3 is wide open but the rate of airflow is low, the vane 6 is moved in the closing direction by a rod 24 attached to diaphragm 20 which divides a housing into vacuum chamber 26 and an atmospheric chamber. Pipe 27 connects chamber 26 to Venturi portion 7 so that when there is a high degree of vacuum at the Venturi, diaphragm 20 moves against the force of spring 23. When the degree of vacuum is low, spring 23, through rod 24, moves vane 6 in the closing direction. In a modification, Fig. 2, a vacuum operated diaphragm actuates rod 39 which is pivotally connected to lever 32 which is freely rotatable about the throttle lever shaft, and through screw 33 turns a second lever 30, also mounted so as to be freely rotatable about the throttle valve shaft and which is connected by link 10 to vane 6. When the force of spring 36 overcomes the effect of vacuum on diaphragm 35, rod 39 moves vane 6 in opposition to the angular movement due to opening movement of the throttle valve.
Patent GB-609081-A (GB)
Title: Improvements in or relating to connectors for electric cables and like conductors
IPC: H01R13/22
Filed: 1946-03-05
Abstract: 609,081. Two-part couplings. CINEMATELEVISION, Ltd., and BENTLEY, L. C. March 5, 1946, No. 6853. [Class 38 (i)] A coupling for high voltage cables comprises a socket member formed by a cable-clamp 2 and lock-nut 1 and a metal casing 5 secured to the clamp by a threaded ring 4. The plug comprises a clamp 9 secured on a concentric cable 10 by a lock-nut 8, a ring 11 retaining the plug and socket together. An insulating sleeve 13 is mounted within the casing 5. The cable 3 has a conductive cap 6 which is provided with a spring 7 bearing on a cap 12 on the other cable 10, the contact between the cables being positioned mid-way of the insulator 13. The outer conductor 14 of the cable 10 is also held in the clamp 9. In modifications, bayonet fastenings may replace the rings 4, 11, and the helical spring 7 may be omitted, the conductors being long enough to contact each other on tightening the rings. Reference has been directed by the Comptroller to Specification 480,510.
Patent GB-106313-A (GB)
Title: Improvements in Stirring Molten Metal.
Inventor: STASSANO ERNESTO
IPC: F27D27/00
Filed: 1916-05-15
Abstract: 106,313. Stassano, E. May 15. 1916. Electro-magnetic mixing-apparatus.-The stirring of a bath of molten metal by imparting to it a rotational movement by a rotary magnetic field, is rendered more violent by interrupting the field and reversing its direction of rotation. Figs. 1 and 2 show the application of the process to a bath of metal in a furnace. Electro-magnet cores 4, which may be six or any multiple of three in number, are carried by brackets 3 on the furnacecasing 1. The ends of the cores are close to polar extensions 5 embedded in the casing. The core windings 6 are interconnected and supplied with three-phase current controlled by a commutator. Or the electro-magnets and polar extensions may be in the wall of the crucible or receiver containing the metal; or they may be mounted in a cage, separate from the receiver, which is placed in the cage when the metal bath is to be stirred.
Patent GB-711264-A (GB)
Title: Improvements in water heaters
IPC: F24H1/00
Filed: 1950-03-21
Abstract: 711,264. Boiling - pans. HURRY HEATERS (1948), Ltd., and DARBY, H. G. June 21, 1951 [March 21, 1950], No. 6949/50. Class 64(1) In a water-heater comprising a water vessel 11 with fins 23 on its underside, the fins extend from front to back, or in that direction, and are located in a housing 27 below the vessel; a jacket plate 32 spaced from the lower part of the back 13 of the vessel extends from the back of the housing under the rear part of the base and up at least the lower part of the back of the vessel; a gas or other burner 33 is located at or near the front of the housing; and the housing and jacket plate are rigid parts of the water-vessel 11. The combustion products flow rearwardly below the vessel and then upwardly between the vessel and the jacket plate 32. In the form shown, the housing is formed by a front plate 29, the front part 31 of the plate 32, and side plates 30, converging extensions of which form with the plate 32 a flue for the hot gases. These escape from a surrounding casing 10 through apertures 46. The fins 23 have a flange of V-section for the reception and evaporation.of condensate from the bottom of the water-vessel 11. The forward lower end 31 of the plate 32 is channel-shaped for the same purpose. The plate 32 may have forwardly pressed parts in contact with the vessel 11, these parts being spaced or forming channels. The front and back of the vessel 11 may have vertically extending corrugations. Air rising between the water-vessel 11 and the casing 10 and keeping the latter cool escapes through openings 44 at the top of the front and sides of the casing 10. In a modification, Fig. 4 (not shown), the outer casing 10 is dispensed with and the plate 32 extends only a short distance up the back. In another form, the watervessel is supported by angle-sectioned legs to which are attached front, side, and back plates forming the combustion chamber, and another back plate extends from the top of the vessel down to the level of the lower edge of the combustion chamber.
Patent GB-630962-A (GB)
Title: Improvements in or relating to a heat treating furnace
IPC: C21D9/00
Filed: 1946-03-06
Abstract: 630,962. Chimneys. FURNACE ENGINEERS, Inc. March 6, 1946, No. 6975. Convention date, March 27, 1945. [Class 25] [Also in Group XII] A bell-type heat treatment furnace 1, fired by main burners 8 supplied with primary air and gas and secondary burners 9 supplied with raw gas, is ventilated by conduits 31 reaching almost to the furnace floor, said conduits terminating in venturi throats 32 forming air-operated eductors. Compressed air is normally supplied to a series of circumferentially spaced jets in the narrowest part of the venturi, but When the furnace consumption is cut down to a minimum, the chimney pull is counteracted by air from the nozzles 50. Valves 13, 41 and 53 (normally closed) supplying gas, air to the venturi jets and air to the nozzles 50 respectively are linked to the known control device 19 which is connected to temperature responsive means 20 disposed inside the furnace. When the gas valve 13 is closed to a minimum, the air valve 41 is completely closed and the valve 53 opened, supplying air to the nozzles 50, the effect being to restrict but not to stop completely the draught through the conduits 31. Specification 602,919, [Group XII], is referred to.
Patent GB-1129596-A (GB)
Title: Cardiac pump
IPC: A61M60/17
Filed: 1966-02-17
Abstract: 1,129,596. Assisting the heart's action. N. BARRACLOUGH. 17 May, 1967 [17 Feb., 1966], No. 6983/66. Heading A5R. A device to aid the pumping action of the heart is such that it may be introduced into an artery at a point near the skin of the body and then moved along the artery into the heart. As particularly described, the device comprises a flexible chamber of rubber or plastics material to which is connected a tube, the chamber being able to be inflated and deflated cyclically with gas or liquid pumped from outside the body, through the tube, into the chamber. The flexible chamber may be fitted into the left or right ventricle.
Patent GB-903915-A (GB)
Title: Improved synthetic organic fibres and films and process for the production thereof
IPC: D01D5/20
Filed: 1959-02-27
Abstract: Highly drawn fibres, films &c. of a synthetic organic polymer having a uniform cross-sectional area along their length and having along their length alternating clear segments of homogeneous structure and opaque lustrous segments containing small elongated voids are produced by forming in the as yet undrawn and substantially unoriented fibres or films localized draw initiation zones whose response to a drawing tension differs from that of the remainder of the fibre or film, and subsequently cold drawing the fibres or films at a temperature of not more than 80 DEG C. at its natural draw ratio.  The localized draw initiation zones preferably have a birefringence greater than 0,01, and the remainder of the fibre or film a birefringence of less than 0,01.  The L.D.I. zones may be formed by various methods, including mechanical methods (which are preferred), use of air jets, spaced heating and cooling means, interrupted infra-red radiation, uneven quenching techniques in spinning, intermittent application of warm liquid jets or droplets, intermittent or random application of chemical plasticizers or thermal treatment, and intermittent crystallizing of the yarn. The fibre or film material may be a polyester, a polyamide, a polyacetal resin, a polyolefine or a polyurethane.  In the treatment of yarns and ribbons according to the invention, undrawn yarn may be passed from feed rollers through a yarn-driven rotary deforming device comprising a notching roller and a smooth back-up roller.  The notching roller may consist of a smooth brass cylinder with spaced ribs parallel with its axis raised above its peripheral surface.  The yarn may then be passed over a snubbing pin heated to 50 DEG -140 DEG C. and finally over a pair of drawing rollers.  Examples are given of the treatment according to the invention of undrawn ribbons of polyethelene terephthalate, polyhexamethylene adipamide, 6-nylon, polyacetal resin, polypropylene and a 90/10 polyethylene terephthalate polymethylmethacrylate blend.  Specifications 461,236, 578,079, 753,299, 851,881, 903,914 and U.S.A.  Specifications 2,071,251, 2,130,523, 2,130,948, 2,352,725, 2,571,319 and 2,731,446 are referred to.
Patent GB-213269-A (GB)
Title: Improvements in curling irons
IPC: A45D1/20
Filed: 1924-03-20
Abstract: 213,269. Mirault, A., Kientzi, G., and LefÞvre, P. March 23, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Wick burners, solid flame; oil reservoirs.-A heating lamp burning alcohol is removably attached to a pair of hair-curling tongs, for instance by means of split guide-tubes 4, Fig. 1, on the lamp 3 adapted to slide on the handles 2 of the tongs. The lamp is of flat rectangular shape and is closed by a screw-cap 5, Fig. 3. The wick 8 is held in a tubular holder 9 sliding in a guide 10 and pressed upwardly by a spring 11, so that on screwing on the cap 5, the wick is forced into the body of the lamp. This construction may be applied to other lamps where it is desired to reduce the thickness when closed.