baber/WOPTO huggingface dataset:
Patent GB-516135-A (GB)
Title: Improvements in or relating to battery charging systems
IPC: H02J7/04
Filed: 1938-06-21
Abstract: 516,135. Charging batteries. STANDARD TELEPHONES AND CABLES, Ltd., HARTLEY, G. C., and RICHARDS, E. A. June 21, 1938, No. 18421. [Class 38 (iv)] A thermally-operated relay connected across battery charging leads and arranged to insert into the charging circuit a device, e.g., resistance or counter e.m.f. cell to reduce the charging current when a certain voltage has been reached causes also an increase in the current through its heating winding to prevent release until a predetermined voltage fall has occurred. The contacts of the relay REL, Fig. 1, which may be of vacuum type, may open on operation and be in shunt to a resistance R1. Alternatively they may be normally open and energize on closure a second thermal relay REL2, Fig. 2, with contacts in shunt with the resistance. The relay REL1 may be connected to a point in the resistance R1 which is adjustable to determine the voltage range and a rheostate R2 may determine the operating voltage. To eliminate the influence of supply voltage and rectifier characteristics relays may be across battery terminals as shown in Fig. 5, the relay REL2 normally shunting the relay REL 1 which is in series with a rheostat R2 determining the maximum battery volts at which it operates to cause relay REL2 to remove the shunt and to insert the instance R1. A modification in which the relay REL1 has normally open contacts shunting the heating winding of relay REL2 is described. To permit a charge to continue longer at full rate to compensate for excessive fall in battery volts due to supply failure a second set of relays REL3 and REL4 may be added, as shown in Fig. 5, arranged to operate and release at wider voltage limits than the first.
Patent GB-313627-A (GB)
Title: Improvements in and relating to electric resistances
IPC: H01C3/10
Filed: 1929-06-15
Abstract: 313,627. British Thomson-Houston Co., Ltd., (Assignees of Tritle, J. F.). June 15, 1928, [Convention date]. Resistance grids. - A grid resistance suitable for use in a motor controller comprises an assemblage of flattened helices of resistance tape 20 having relatively narrow internal supports 21 and external separators 24 of insulated metal from which the tappings are taken. The internal supports and separators are perforated for assemblage on rods 30 mounted in end plates 13.
Patent GB-202288-A (GB)
Title: Improvements in the construction of turbine blades
IPC: F01D5/14
Filed: 1923-07-18
Abstract: 202,288. Soc. Rateau. Aug. 11, 1922, [Convention date]. Blades; balancing moving parts. - To reduce centrifugal strain and to facilitate balancing, turbine rotor blades are provided with cavities which are bored or milled cut, without changing the general shape of the blade. The sectional area of the cavity preferably diminishes towards the rotor shaft. The blade 1, Figs. 1 and 2, may be pieced longitudinally by a conical central hole 2, and by two smaller holes 3. A stepped hole may be provided, or a single tapering hole. The blade may be milled-cut at the back, Fig. 8, or at the side, Fig. 11, to prevent eddies. To balance the rotor, certain blades may be hollowed more than others. The Specification, as open to inspection under Sect. 91 (3) (a), comprises also a blade made in two parts 5, 6, Fig. 13 (Cancelled). By swaging and welding a tube or other member, the blade shown in Fig. 17 (Cancelled), may be formed. This subject-matter does not appear in the Specification as accepted.
Patent GB-1124563-A (GB)
Title: Improvements in or relating to bell furnaces for heat treating coiled strip metal and the like
IPC: C21D9/673
Filed: 1966-04-28
Abstract: 1,124,563. Bell-type furnaces. SOC. ANON. HEURTEY. 28 April, 1966 [6 May, 1965; 27 Aug., 1965], No. 18614/66. Heading F4B. In a bell-type furnace in which metal coils 7 on a charge-carrying diffuser 6 are heated by gases circulated by a centrifugal fan 10 within a cover 5, the pressure side of the fan is connected by a duct 21 with a cooling coil 22 from which a duct 26 opens through a flattened nozzle 28 outside a rim surrounding the diffuser 6. Duct 26 is closed at the top by a cylindrical obturator 29 having a cap 31 and a curved deflector 32 facing a port 30 opening inwardly between two diffuser blades 9. The obturator is moved vertically by an hydraulic jack 37 having a rod 34 extending through a gas-tight gland 35. Nozzle 28 has a pair of central deflectors 38 directing the gas outwardly, and coil 22 is disposed in a water tank 23. A similar cooling system is disposed diametrically opposite that described. The lowermost cooling tube has a drain (45) associated with a dip tube (47) leading to a burner heating a bimetallic strip. Condensate collecting in drain (45) extinguishes the burner, operating an alarm or safety device through the bimetallic strip. A valve may be disposed in duct 26 near the base.
Patent GB-890232-A (GB)
Title: Improvements in devices for machining profiled objects
IPC: B24B53/08
Filed: 1958-06-11
Abstract: 890,232. Fluid-pressure servomotor-control systems. ULSVUNDA VERKSTADER A.B. June 11, 1958 [June 12, 1957], No. 18624/58. Class 135. [Also in Group XXIII] A profiling machine, e.g. for producing a grinding disc 80, comprises a profiled former 90 the longitudinal movement of which operates a feeler pin 14 carried by diaphragms 16 and engaging a hinged arm 38 controlling a leak-off orifice 42 in a pressure supply line 54, to regulate the pressure in a line 60 communicating with a pressure-responsive member operating the forming tool 64, the latter being supported on a flexible arm 68 acted upon by a curved diaphragm 76 subjected to the pressure in line 60 through a port 78. The ratio of the movement of the tool 64 to that of the feeler 14 may be varied by longitudinal displacement of the leakoff valve, effected by a screwed rod 30, to adjust the point of contact 94 of the end of the feeler 14 with the arm 38. The pivot for arm 38 is furnished by the head 48 of an adjustable screw 46.
Patent GB-187479-A (GB)
Abstract: 187,479. Langendonck, J. van, and Soc. Belge d'Outillage Pneumatique (Ateliers Rorive) Soc. Anon. Nov. 14, 1921. Joints with yielding outer pipe compressed.- In a device for connecting flexible tubing to water, gas, &c. pipes in which one end of a rigid piece of pipe 3 is secured to the gas &c. pipe, its other end being inserted in the flexible tubing 6 which is secured thereon by a ring 7 having a cylindrical or conical bore provided with circumferential corrugations, screwthreads &c., the portion of the pipe 3 thus inserted increases in external diameter by steps towards its end. As shown, the conical end 4 of the pipe 3 is secured to the gas &c. pipe by a union nut 1.
Patent GB-590655-A (GB)
Title: An improvement in or relating to the manufacture of pile fabrics
IPC: D03D27/00
Filed: 1944-12-02
Abstract: 590,655. Weft pile fabrics. BLACKBURN, H., and COOPER, D. M. Dec. 2, 1944, No. 18778. [Class 142 (iv)] A pile fabric made by breaking weft floats c<1> has two warps and three wefts, one weft c being wholly (as shown) or mainly interwoven with the face warp a, a second weft e being wholly or mainly (as shown) interwoven with the back warp b, and a third weft d being used wholly (as shown) or mainly to bind the two warps together. -
Patent GB-279552-A (GB)
Title: Improvements in the means for and in the method of drawing off fermented liquors
IPC: B67D1/08
Filed: 1926-07-28
Abstract: 279,552. Gante, S. A. July 28, 1926. Dispensing liquids. - In drawing off fermented liquor from a container, two containers are employed, one holding the liquor in the fining stage and the second containing liquor which has passed that stage, means being provided for automatically drawing off the liquor from the second container whilst the liquor being fined is added to the contents of that container. A spile 3 is inserted in the second container and is connected to the first container by a pipe leading to the delivery connection 10. The pressure behind the liquor being fined opens the valve 6 and this liquor passes to the first container through a port 5. As the pressure falls, the continued drawing off of liquor from the second container allows the valve 8 to open and admit air through the ports 9, 5. The spile is provided with a screw threaded cap 11. The pipe connecting the two containers is provided with a transparent tube portion for observation purposes.
Patent GB-140739-A (GB)
Title: Improvements in or relating to hoisting and transporting apparatus for overhead tracks
IPC: B66C21/00
Filed: 1919-07-29
Abstract: 140,739. Dorel, C. L. March 21, 1919, [Convention date]. Overhead travellers and transporters. - The hoisting and traversing of an overhead transporter are controlled by means of a single endless cable passing over a differential pulley-gear and engaging a double-grooved pulley on the carriage. The controlling cable X passes over a pair of guidepulleys I at one end of the track and over a pair of driving-pulleys L at the other end. the driving- pulleys being connected by a differential gear and rotated by electric motors. The carriage E carries a double-grooved pulley H, around which pass the bights of the endless cable, the pulley operating the hoisting-gear F through bevel gearing. By varying the speed and direction of rotation of the two driving-pulleys, the load can be raised or lowered and the carriage traversed as required.
Patent GB-1035128-A (GB)
Title: Improvements relating to fluid actuators
IPC: E05F15/02
Filed: 1964-05-06
Abstract: 1,035,128. Screw-and-nut gearing. FLO-TORK Inc. May 6, 1964 úMay 20, 1963; Oct. 3, 1963], No. 18872/64. Heading F2Q. [Also in Division E2] A fluid actuator, particularly for operating ship hatch covers, comprises a cylinder 20 in which a piston 53 is caused to reciprocate and thereby cause oscillatory movement of a shaft 44 having a screw and ball-nut connection with the piston 53. An adapter 59 is secured to piston 53 and carries keys 65 which are adapted to slide in longitudinal grooves 22 in the cylinder 20, a ball nut 58 being secured within the adapter 59 and having balls 57 which are in rolling engagement with spiral grooves 52 formed in the shaft 44. Ball bearings are mounted in cylinder end caps 30, 31 for supporting the shaft 44. Fluid may be selectively introduced through ports 46, 46<SP>1</SP>. In one embodiment, where no initial closing force is required of the device as a hinge actuator, the port 46 acts as a vent. In a modification, opposed pistons 75, 76 are adapted to be moved in opposite directions, by fluid under pressure introduced through a central inlet port 78, and through oppositely spiralled ball grooves 81, 82 cause rotation of a shaft 79. Alternatively, port 78 may be used as a vent and fluid under pressure introduced through spaced ports 84, 85.
Patent GB-1374680-A (GB)
Title: Cryogenic line
IPC: H01B12/16
Filed: 1972-04-24
Abstract: 1374680 Cryogenic cables COMPAGNIE GENERALE D'ELECTRICITE 24 April 1972 [28 April 1971] 18969/72 Headings H1A and A4D A tubular casing 1 surrounding the conductors 4 of a cryogenic cable is made of an iron and nickel alloy having a nickel content of between 30 and 45% e.g. "Invar" (Registered Trade Mark) and within the casing, surrounding the conductors, is a metal screen of low resistivity, less than 3 x 10<SP>-8</SP> ohm. metres at room temperature, for example aluminium or copper. The screen and the casing may form a laminated strip which is then formed round the conductors and welded at 3. The thickness of the screen should be such that induced alternating fields do not reach the magnetic casing, thereby reducing losses. A fluid, e.g. helium, may flow within the casing.
Patent GB-1313581-A (GB)
Title: Street cleaning machines
IPC: E01H1/08
Filed: 1970-04-21
Abstract: 1313581 Brushes H JUNGHEINRICH & CO MASCHINENFABRIK 21 April 1970 [22 April 1969] 18990/70 Heading A4K [Also in Division E1] In a road-sweeping machine wherein a replaceable power-driven brush cylinder 63, Fig.1, sweeps rearwardly into a container 8 whose upper end communicates through filter elements 70 with the inlet duct of a suction blower 17, the brush cylinder comprises a series of straight or helically-curved bristle-carrying bars 32, Figs.3, 5, running the length of the cylinder and removably mounted in aligned recesses 27 distributed around the peripheries of axially spaced discs 25, 26 etc. on a central core 24, the recesses being undercut as shown or otherwise shaped to retain the bars. The bars, discs and core may be of plastics. The end disc 37 is angularly adjustable e.g. by bolts and slots 36, so that its peripheral recesses may be slightly misaligned with those of the other discs to clamp the bars 32 in position. A bent-over apertured tab 33 is provided at the base of each recess 29 so that each bristle-bar may be additionally secured by a single radial bolt. The brush core 24 is removably secured by a tie rod 53 between stub shafts carried by arms 49, 49a, fixed to the machine frame, the arm 49 being movable (arrow 51) to allow rearward removal of the brush. The brush 63 rotates in a chamber closed at top and front by a fixed curved wall 19 and at the lower rear end by a curved wall 21 at the bottom of the container 8. The container 8 is otherwise open at the front and is removably supported against wall 78 above aperture 20 by hooks 57, pivots 9 and catches 23. Rollers 16 on the machine frame engage curved side wall formations 62, Fig. 6 on the container so that it is lifted off the hooks 57 as it is pulled rearwardly. On removal of the container 8 (a) the wall 21 can swing on links 65 to allow emptying (b) the brush cylinder may be removed rearwardly, and (c) any of the row of filters 70 may be changed. The machine shown includes a gutter brush 7, front driven wheels 4, rear castor wheels 2 and a pedestrian steering bar 11.
Patent GB-1530597-A (GB)
Title: Direct current voltage regulator
IPC: H02M3/137
Filed: 1975-05-07
Abstract: 1530597 Converters BRUSH ELECTRICAL MACHINES Ltd 26 April 1976 [7 May 1975] 19074/75 Heading H2F A D.C. voltage regulator for a load, particularly a D.C. series traction motor, comprises the circuit shown in Fig. 1 which provides the following low and high voltage outputs by appropriate firing of the thyristors T1, T2, TS:- (1) Low voltage.-As shown in Fig. 2, thyristor T1 is fired at regular intervals Tp to cause the voltage across capacitor C to rise to a maximum value in time ##LC determined by a first resonant circuit LC and to fall (if thyristor TS is not fired) to its original value in time ##L R C determined by a second resonant circuit L R C. If thyristor T2 is not conducting, the thyristor TS is fired at an instant t s  after the time ##LC to discharge the remaining stored energy in capacitor C into the load. The voltage applied to the load can thus be increased by advancing the firing point t s  up to but not beyond the point t 1 , which represents the maximum power provided during low voltage operation. (2) High voltage.-Thyristor T2 is fired and thyristor Tl is fired at a time ##LC before commutation of T2 is required, thyristor TS being fired at time ##LC after firing of T1, to effect commutation at instant t s  corresponding to the maximum capacitor voltage, Fig. 3 (not shown). Logic circuitry controls the firing of the thyristors, any or all of which may be replaced by transistors, as can the diode DR which may alternatively be replaced by a thyristor. Any or all of members T2, TS, DF may be connected in series with additional air-cored or saturable inductors. The advantages of the circuit are discussed, the main ones being (1) the commutation energy need not be discharged into the load and (2) the resonant circuit currents may be made less than the maximum load current.
Patent GB-121634-A (GB)
Title: Improvements in Cold Resisting Boots and Shoes.
Inventor: FRIZZONI EDMONDO SETTIMO
IPC: A43B7/34
Filed: 1917-12-24
Abstract: 121,634. Frizzoni, E. S. Dec. 24, 1917. Connecting uppers to insoles and soles; socks; linings; clogs.-A waterproof and cold-resisting boot or shoe comprises a wooden sole 1 in one or more plies divided transversely to form sections 2, which are covered on the inside with a piece 5 of canvas covered with impermeable cloth and on the tread side with a plate or layer 3 of steel, leather, strong paper, cloth, compressed cotton, india-rubber, or a combination of metal and leather. The boot &c. is lined with a foot-shaped lining 7 having waterproof sewn or cemented seams. This lining is connected to the upper only at the margins of the top and instep openings, and to the sole through tabs or extensions 9; to its toe and heel portions may be secured stiffeners 6 of leather, &c. The upper 8 consists of leather, or of canvas, or cloth, treated with waterproofing solution, and is secured to the sides of, or beneath, the sole 1. The boot is fitted with a loose or cemented cold-resisting sock 11 comprising, for example, a plastic mixture of magnesia and asbestos wool enclosed between cloth or canvas to form a pad, which is covered with waterproof cloth. Similar pads may be secured to the lining 7 at the toe and heel. The space between the lining and the upper may be filled with straw, light feathers, or a thin layer of cork.
Patent GB-666197-A (GB)
Title: New quinoxaline derivatives
Filed: 1949-07-20
Abstract: The invention comprises 5-methoxy-quinoxaline-1 : 4-di-N-oxide, obtained by oxidizing 5-methoxyquinoxaline with an organic per-acid, in the example peracetic acid/acetic acid, or with hydrogen peroxide/acetic acid, or by similarly oxidizing the corresponding mono-N-oxide.  The compounds have chemotherapeutic activity. 5-Methoxyquinoxaline may be obtained by interaction of the substituted o-phenylene diamine with glyoxal or its derivatives by known methods.
Patent GB-1306994-A (GB)
Title: Variable diameter pulley
IPC: F16H55/56
Filed: 1970-04-21
Abstract: 1306994 Expanding-pulley gear; shaft couplings SOC INDUSTRIELLE DE TRANSMISSIONS 21 April 1970 [21 April 1969] 19103/70 Headings F2D and F2U In an expanding spring-loaded V-belt pulley gear, one, or both, pulley flanges 5 (Fig. 1), or 5A, 5B (Fig. 2), are freely rotatably and slidably mounted on a hub 1 and drivably connected thereto by friction coupling devices 8, 9 which act as overload slip-couplings to permit small relative rotary movement between the flange 5, or flanges 5A, 5B, and the hub 1 during drive, whereby corrosion of the mating surfaces therebetween is prevented. As shown, the overload slip couplings comprise friction washers 8, 9 interposed at each end of the spring or springs 10 between the movable flange or flanges 5 and an end cup or cups 7 fast on the hub 1. In Figs. 3 and 4 (not shown), the friction washers 8, 9 are omitted, the spring or springs 10 directly engaging single (Fig. 3) or double (Fig. 4) tapered surfaces (8 1 , 9 1 ) formed on the movable flanges 5 and cups 7, the tapered surfaces (8 1 , 9 1 ) or the end coils of the springs 5 being fitted with, or without, friction facings. The coil spring or springs 10 may be replaced by comparable rubber members. (For Figures see next column.)
Patent GB-780827-A (GB)
Title: Improvements in or relating to cathode-ray tubes
IPC: H01J5/20
Filed: 1955-07-01
Abstract: 780,827. Glass to metal seals. PHILIPS ELECTRICAL INDUSTRIES, Ltd. July 1, 1955 [July 6, 1954], No. 19104/55. Class 36. [Also in Group XL (a)] The glass window forming the end wall of a cathode-ray tube is sealed to the glass cone 2 by means of a metal ring 3 of T-shaped cross-section, the leg of the T being completely sealed in the glass and is shorter than the thickness of the glass of the cone wall at the sealing region. The main advantage is that during heat sealing of parts 1, 2, 3 together the window glass melts and flows over the leg of the T to fuse with the glass of the cone so that a glass coating results on the inner surface of the ring so that accumulation of charges on the ring during operation and corrosion of the ring during the cleaning of the bulb or the manufacture of the fluorescent screen is avoided. Furthermore the glass coating on the inner surface of the metal ring reinforces the seal so that the metal ring can be thin. The metal ring 3 may be of T- section rod bent in annular shape and the ends of which are welded together in an inert or reducing atmosphere, e.g. by an argon arc weld and is particularly suitable for circular or rectangular glass windows. The thickness of ring 3 tapers from the cone towards the window, e.g. by 3, and the ring 3 has rounded edges. The window is of plate glass and the ring 3 is of ferrochromium. Specification 688,121. is referred to in which the window cone seal ulilizes a reinforcing metal ring sealed wholly or partly in the glass wall, the metal ring being of circular, elongated or Z cross-section.
Patent GB-1223317-A (GB)
Title: Improvements in and relating to cams for knitting machines
Inventor: DORRER KARL
IPC: D04B15/32
Filed: 1968-04-23
Abstract: 1,223,317. Knitting. FORSCHUNGSINSTITUT FUR TEXTILTECHNOLOGIE. 23 April, 1968, No. 19137/68. Heading D1C. A fabric having a laid in yarn is produced on a circular machine and to ensure that the needles retained at a low level miss the yarn such that it passes at the back of their hooks, these needles are given a slight upward movement at the moment the remaining needles are drawn down by the stitch cam from a tuck level. Consequently the needles which draw loops and those that miss the yarn move in opposite directions such that the former draw the yarn down behind the heads of the lath. To assist this action the needle heads may be inclined forwardly a small amount.
Patent GB-498682-A (GB)
Title: Improvements in the control of sleeve-valves of engines
IPC: F01L5/10
Filed: 1937-07-10
Abstract: 498,682. Valve gear. BARBAROU, M.J.-B. July 10, 1937, No. 19215. Convention date, June 10, 1936. [Class 7 (vi)] A combined oscillating and reciprocating movement is given to a sleeve valve 1 by means of a shaft 4 formed with a ball-shaped crank 8 engaging a link 10 which is hinged at 11 to the sleeve valve. The valve is formed with several ears 2 which fit between corresponding lugs 7 on the link 10, the hinge pin 11 passing through all the ears and lugs. Bronze washers may be interposed between the lugs and ears. A bush 9 is arranged between the crank 8 and the link.
Patent GB-367699-A (GB)
Title: Improvements relating to steam superheaters
IPC: F22G7/14
Filed: 1931-07-03
Abstract: 367,699. Steam superheaters. SUPERHEATER CO., Ltd., Bush House, Aldwych, London.-(Assignees of Compagnie des Surchauffeurs ; 3, Rue la B÷etie, Paris.) July 3, 1931, No. 19241. Convention date, July 3, 1930. [Class 123 (iii).] To control the heating of a superheater 1 placed in the return flue chamber or other high temperature gas zone of a boiler, the high temperature gases coming directly from the firebox are mixed with gases drawn from the smokebox 5 or other part containing gases that have already given up heat to the superheater and boiler. The gases are drawn from the smokebox by a fan 6 in regulated quantities and delivered through a pipe 7 to a nozzle 8 beneath the superheater, which is enclosed by side and front screens 4. In a water-tube boiler with horizontally inclined tubes, the superheater is arranged in the first gas pass and cooled gases drawn f:rom the last gas pass are mixed with gases coming direct from the furnace. In a Stirling type boiler, the cooled gases are delivered beneath a superheater arranged immediately above the furnace. In a locomotive boiler having a superheater and reheater arranged directly in front of the firebox, cooled gases from the smoke box are mixed with the furnace gases entering the heaters.