baber/WOPTO huggingface dataset:
Patent GB-724534-A (GB)
Title: Improvements in fire hydrants fitted with a valve
IPC: F16K1/52
Filed: 1952-11-11
Abstract: 724,534. Hydrants; valves. MORRIS, C. Nov. 10, 1953 [Nov. 11, 1952], No. 28363/52. Classes 69 (1) and 135. A fire hydrant with a screw-down valve B has a rotatable regulating valve C on the downstream side and an associated pressure gauge C<SP>2</SP>. The valve C has a tapering bore into which opens a passage c<SP>2</SP> leading to the pressure gauge whereby the gauge registers the pressure on the inlet or outlet side of the valve C according as to whether the latter is positioned with the smaller end of its bore towards the outlet or the inlet respectively. The valve C is actuated by a handle D and may be locked by a grub screw d. Stops and indicators may be fitted. The gauge may indicate mains pressure when the valve C is closed by a small port in the face of the valve leading to the passage c<SP>2</SP>. In a modification, a butterfly regulating valve is employed, the connection to the pressure gauge being either through a bore in the butterfly spindle or through a passage opening just in front of the valve when closed. Specification 723,184 is referred to.
Patent GB-1311375-A (GB)
Title: Method of regulating plant growth
IPC: A01G/
Filed: 1971-06-17
Abstract: 1311375 Plant growth regulation PROCTER & GAMBLE 17 June 1971 [17 June 1970] 28395/71 Heading C1B A method of plant growth regulation comprises applying to plants or to a crop area before or after planting, an enzyme selected from D- amino acid oxidase, L-amino acid oxidase, peroxidase, lipoxidase, glucose oxidase, monamine oxidase, diamine oxidase, xanthine oxidase, aldehyde oxidase, #-galactosidase, glycollate oxidase or lactate oxidase. Promotion of ethylene production in the plants is thought to occur. Salts, surfactants and enzyme substrates also may be applied with the enzyme.
Patent GB-366547-A (GB)
Title: Process of leaching phosphate rock
IPC: C05B11/08
Filed: 1930-09-23
Abstract: A modification of the process of the parent Specification for leaching phosphate rock is characterized in that recrystallization of calcium sulphate semihydrate to the dihydrate in the phosphatic solution produced is carried out in the presence of an excess of sulphuric acid or alkali or ammonium sulphate.  Thus, the rock may be leached with an equivalent amount of sulphuric acid, and excess alkali or ammonium sulphate be then added, prior to recrystallization; or a quantity of sulphuric acid or acid alkali sulphate equivalent to the total quantity of phosphate rock may be used to treat only a major portion of the rock, and the remainder of the rock is added after the calcium sulphate first precipitated has recrystallized.  In the latter case, no excess of sulphate remains in the finished product.  Alternatively, an excess of soluble sulphate may be kept in circulation, this excess being recovered in the mother liquor after neutralization of the phosphoric acid, and again added to the teaching operation or on recrystallization of the gypsum.  In an example, the beneficial effect of adding excess alkali or ammonium sulphate is shown by the decreasing amounts of phosphoric acid included in the dihydrate.
Patent GB-603668-A (GB)
Title: Improvements in apparatus for lapping part-spherical surfaces
IPC: B24B11/00
Filed: 1945-10-26
Abstract: 603,668. Lapping part-spherical concave and convex surfaces. SCOPHONY, Ltd., and ADAMS, A. E. Oct. 26, 1945, No. 28421. [Class 60] Apparatus for lapping part-spherical concave and convex surfaces, as e.g. optical lenses and mirrors or parts of mechanism such as ballraces, comprises two co-operating parts constituted by the lapping tool and a holder for the work-piece, a driving shaft, means on said shaft for causing one of said parts to execute both a rotation relative to said shaft about an axis other than the axis of said shaft and a gyration about the axis of said shaft, a strut rigid with the other of said parts and cooperating with a thrust bearing which provides a limited universal motion, means for applying an adjustable load to said thrust bearing, and means for preventing continuous rotation of said other part. A frame 10 is fixed on or incorporates a bench 1, in which is journalled a driving shaft 2, driven by belt and pulley 3. The upper end of the shaft carries a jaw 4 in which is a bearing housing 5 for a work spindle 6, the housing being angularly adjustable about a horizontal axis intersecting the axes of the driving shaft and spindle, screws 7 being provided to lock the housing in the jaw at any desired inclination of the spindle axis to the vertical. The spindle 6 has a planet frictionwheel 8, one edge of the periphery of which runs on a rubber-faced annular friction gear ring 9 coaxial with the driving shaft and vertically adjustable. The upper end of the spindle 6 has a mounting 13 of known type for a lens or a block of lenses under treatment. A cylindrical housing 14 in the upper part of the frame contains a plunger 15 downwardly urged by a compression spring 16 abutting a screw plug 17 ; the lower end of the plunger has a spherical cup engaging a ball 18 engaging a spherical cup in the upper end of a strut 19 rigid with the part-spherical lapping tool 20 ; an arm 21 extending laterally from the strut slidably engages a part of the frame to prevent the tool from rotating continuously. The lap and work may be interchanged.
Patent GB-715260-A (GB)
Title: Improvements in and relating to laminated magnetic core structures
IPC: H01F27/245
Filed: 1952-11-11
Abstract: 715,260. Transformers. SMIT & CO.'S TRANSFORMATORENFABRIEK N. V. W., Nov. 11, 1952 [Nov. 27, 1951], No. 28429/52. Class 38(2) A laminated magnetic core structure comprises layers of laminations arranged to form one or more rectangular windows 12, 13 surrounded by leg and yoke members, each layer comprising a number of composite laminations which consist of leg pieces 10 and adjacent corner pieces 11 and of yoke pieces 8 and adjacent corner pieces 9; at least the leg pieces 10 and the yoke pieces 8 being made from a rolled grain oriented magnetic material, the grain direction being indicated by an arrow 6, and each composite lamination abutting the adjacent lamination in the same layer in a corner of the window to form a butt joint 7, the pieces of each composite lamination being welded together, preferably by spot-welding 3. The core is assembled from a number of layers of laminations, each layer being so arranged that the welded joints at the butt joints are offset from each other, i.e. one as shown in Fig. 3 alternatively with one as shown in Fig. 4. The corner pieces may or may not be of grain oriented material as desired. If they are of grain oriented material the grain in the corner pieces is arranged to lie in the general direction of the flux in these pieces. The pieces 11 at the ends of the centre leg may alternatively comprise two or more pieces welded together with the grain in different directions. A number of different embodiments are shown each being a variation of the common theme, and in one embodiment two layers of laminations are built up and then welded to each other to form a lamination having a double thickness.
Patent GB-1222160-A (GB)
Title: Method of pulse-forming and renewable-duration variable pulse-forming circuit for the application of said method
Inventor: ZURK ROBERT VAN
IPC: H03K5/05
Filed: 1968-06-14
Abstract: 1,222,160. Pulse circuits. COMMISSARIAT A L'ENERGIE ATOMIQUE. 14 June, 1968 [21 June, 1967], No. 28473/68. Heading H3P. A method of lengthening a pulse comprises transmitting each incident pulse t 0  to a sealer 18 for resetting the sealer 18, directing the resultant signal 28 to a re-cycling pulse generator 30, re-cycling pulses from generator 30 to the sealer 18 until a predetermined number has been registered and converting (at 32 and 36) to a single long pulse, the successive pulses from generator 30. The circuit described operates at intervals between a few tens of nanosecond and a few microseconds, the sealer 18 being reset by further input pulses occurring during the long output pulse so that the resulting output pulse ends at the predetermined time after the last input pulse. As shown, each pulse at 14 triggers a univibrator 20 giving a pulse of duration p which is delayed at 22 before triggering a second univibrator 24, the output of which resets the scaler 18, comprising three bi-stable circuits. An output from each stage of the sealer 18 is coupled via an OR gate 28 to initiate the re-cycling pulse generator 30, the frequency and duration of which may be adjustable by variation of delay lines (not shown). After shaping at 32 and 34, pulses ta . . . t g  are passed by a gate 26 (blocked during period p) to the counting input of sealer 18. After a count of 7, the output from the OR gate 28 no longer allows generator 30 to pulse, hence the pulse train is terminated. The smoothing circuit 36 delivers a single pulse output at 35 of duration equal to that of the train of pulses from 30. Figs. 5-9 (not shown) explain the operation following receipt of input pulses at 14 of various time separations. Figs. 1, 2 and 10 (not shown) relate to the use of the invention in an anticoincidence circuit.
Patent GB-1475525-A (GB)
Title: Axial flow combines
IPC: A01F12/00
Filed: 1974-06-27
Abstract: 1475525 Axial flow combines INTERNATIONAL HARVESTER CO 27 June 1974 [29 June 1973] 28522/74 Heading A1F In an axial flow combine a concave 56, which forms part of a rotor casing 30, can be adjusted toward or away from the axis of the rotor casing 30. When a carrier assembly comprising support bars 100, 102 is pivoted about two pins 110 connected to a body portion 2 of the combine. The position of the concave can be moved away from the axis by manually turning a screw shaft 106 so that a cross head 140 on the shaft moves toward the rotor casing 30 (Fig. 2). This moves a link 138 and so turns clockwise a crank arm 136, fixed to a rock shaft 130, (Fig. 2). Two further crank arms 128, also fixed to the rock shaft 130, are therefore rotated clockwise and give a downward motion to two substantially vertical links 126, 126'. As these links are connected to a pair of polygonal plates 120, which in turn are connected by bolts 122 to the support bars 100, 102 of the carrier assembly and by bolts 118 and plates 116 to the concave 56, the carrier pivots about the pins 110 so moving the concave away from the axis. The vertical link 126 (Fig. 4) has a threaded portion 127 which allows, by means of a pair of adjusting nuts 131 which abut an anglepiece 129 connected to the polygonal plate 120, the left hand end of the concave 56 to be raised or lowered independently of the right hand end.  The concave 56 is offset circumferentially in the direction of rotation of a rotor 32 (not shown) from a vertical plane through the axis of the rotor casing 30. By removing the four bolts 118 the concave can be completely removed from the casing 30.
Patent GB-285161-A (GB)
Title: Improved method of and means for the production of scenic effects on the stage
IPC: F21S2/00
Filed: 1926-11-13
Abstract: 285,161. Walker, J. G. Nov. 13,1926. Theatrical appliances.-The lower part c of a back cloth a is illuminated to form a background, and may depict scenery, such as doors, while the upper part e - - is arranged to receive projected scenery. When auxiliary lighting is employed, means such as a curtain j, a screen k, or the edge of the proscenium opening prevent such lighting from reaching the upper part of the cloth, and the shroud l of the lamp h prevents light from passing to the auditorium. Top-light g may be provided. The projection of the scenery and the illumination of the lower part of the back-cloth and of the stage b may be carried out by a single lantern slide in a projector d, or the lower half of the slide may be opaque to enable the illumination to be carried out by other means. Masks may be used on the slides to limit the area illuminated, and cloud and other effects may be produced by using mechanical slides.
Patent GB-152333-A (GB)
Title: Sounding apparatus for submarine boats
IPC: B63G8/14
Filed: 1920-10-09
Abstract: 152,333. Electric Boat Co., (Assignees of Smith, S. B.). Oct. 11, 1919, [Convention date]. Sounding-apparatus for submarine boats, in which the lead and the boat are provided with coacting means to seal the pocket in which the lead is stowed. The pocket 3 has at its upper end a chamber 4 in which the winding-drum 14 is disposed in a water-tight manner, and at its lower end a conical portion 5 secured to the bull 1 by flanges 6. The part 5 carries a rubber or like ring 23 which forms a seating for an upstanding lip 9 formed on the lead 7 so as to seal the pocket 3 when the lead is wound in. The lead has a pin 11 engaging a helical slot 12 so as to bring the gauge 10 opposite an aperture 13 for reading. Water may be removed from the pocket through a valve 25 by admitting compressed air through a valve 27.
Patent GB-406406-A (GB)
Title: Improvements in drying apparatus
IPC: D06C7/00
Filed: 1933-08-16
Abstract: 406,406. Drying-cabinets. WOOD, H. S., 67, Deodar Road, Putney, London. Aug. 16, 1933, No. 28717. [Class 34 (i).] In a drying-cabinet without mechanical means to aid circulation, some of the air in the hot air duct is diverted into the lower part of the exhaust flue, and some passes into the lower part of the drying chamber while the remainder passes up the hot air duct, down through the drying chamber, and into the exhaust flue, being discharged at the top thereof. The single heating means, for example a gas flame, is situated in the hot air duct. In the form shown, the drying chamber d is separated from the hot air duct b by a wall a, and another wall a'separates the duct b from the exhaust flue c. Air enters the duct b from apertures e after passing outside ducts f, and is heated by an adjustable gas burner k, most of the heated air rising through the duct b to enter the chamber at g. A little hot air is diverted through apertures in walls a and a<1> by baffles rand s, which are so constructed that the gas flames are retained within the duct b. Air from the chamber d passes through ducts f to the flue c and out at h. Specification 194,876, [Class 34 (ii),] is referred to.
Patent GB-867720-A (GB)
Title: Improvements in or relating to refrigeration apparatus
IPC: B60H1/32
Filed: 1958-09-09
Abstract: 867,720. Refrigerated vehicles. RHODES, P. Dec. 4, 1959 [Sept. 9, 1958], No. 28890/58. Drawings to Specification. Class 29. In a refrigerated motor road vehicle, the compressor is driven by an hydraulic motor supplied with hydraulic fluid by a pump driven by the vehicle engine. There may be two pumps, one for when the engine is loaded and the other for when it is idling, and the change-over may be automatic. The fluid is supplied to the motor under the control of the temperature of the refrigerated space. The motor also drives the condenser fan and a dynamo charging a battery supplying current to the motors of the fans in the refrigerated space. When the vehicle engine is not operating, an electric motor drives the compressor, dynamo and condenser fan.
Patent GB-402791-A (GB)
Title: Improvements in means for operating electric high frequency furnaces
IPC: H05B6/06
Filed: 1932-10-17
Abstract: 402,791. Converting ; systems for supplying high-frequency apparatus. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Vasteras, Sweden. Oct. 17, 1932, No. 28936. Convention date, June 9. [Classes 38 (ii) and 38 (iv).] A high-frequency furnace is supplied from a grid controlled ion valve apparatus supplied with continuous-current in combination with a resonance circuit, in which the blocking of each burning anode is effected so long before the voltage of the resonance circuit passes through zero that deionization can take place before the voltage of the circuit changes sign. In one form, Fig. 1a, the furnace winding L constitutes the inductance of the resonance circuit, the capacity of which is a condenser C. The direct current is supplied through a choke D to the centre of winding L. The capacity C is adjustable in large steps. The grid voltages for the control of the discharge may be derived from the circuit. In the form shown in Fig. 6a, the secondary of a transformer sp of which the primary is connected across the inductance L is connected through a condenser C1 across a variable resistance r to the ends of which the grids are connected through regulating resistances r1, r2. A battery B gives the grids a constant negative bias. In a modification, the resistance r is replaced by an inductance and the condenser C1 by a resistance. Or the condenser C1 may be replaced by a resistance, and the grid voltages derived from the transformer sp supplemented from transformers whose primaries are in series with inductance L and condenser C. The capacity C1 may also be replaced by an inductance. In the arrangement shown in Fig. 9a the phase of the grid voltage is adjustable relatively to that of the furnace voltage by an induction regulator JR on the primary side of which are impressed a voltage derived from the furnace current transformer st, and a voltage derived from the furnace voltage. The grid voltage may be obtained from a high-frequency generator, which may be driven by a synchronous motor supplied from the furnace voltage, or by a continuous-current motor the speed of which is regulated by a quick-acting regulator ; or the generator may be driven by a continuouscurrent motor and kept in synchronism by a synchronous motor. Specification 396,372 is referred to.
Patent GB-202941-A (GB)
Title: Improvements in or relating to devices for hermetically connecting a metal to glass or for hermetically sealing a glass vessel
IPC: C03C27/02
Filed: 1922-10-25
Abstract: 202,941. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. Aug. 22, 1922, [Convention date]. Joints formed by welding.- In vacuum tubing a metal tube 7 is connected to a glass tube 5 by welding between them a ring 6 of chromium-iron alloy having a co-efficient of expansion approximating to that of the glass.
Patent GB-192185-A (GB)
Title: Improvements in and relating to batteries for miners' lamps and other like purposes
IPC: H01M50/166
Filed: 1921-11-02
Abstract: 192,185. Three Star Accumulators, Ltd., and Kendall, C. Nov. 2, 1921. Cap-stoppers, screw.- A tight joint is made between the lid f of a storage battery and the container a bv means of a rubber washer p which is held in a rectangular groove in the lid and bears on the flat upper end of the container. The lid is pressed down by means of a'ring r which bears on the upper surface of the lid, the lower surface m being of smaller diameter so as to enter the mouth of the container.
Patent GB-407758-A (GB)
Title: Improvements relating to mechanism for tranferring and closing bag like receptacles
IPC: F41A17/28
Filed: 1932-10-18
Abstract: 407,758. Closing bags. MILLIE PATENT HOLDING CO., Inc., 288, Southern Boulevard, New York, U.S.A. Oct. 18, 1932, No. 29161. Convention date, June 24. [Class 94 (i).] The machine fills bags with tea &c., and closes, trims, and secures the mouth. Each bag 51, Fig. 5, has been moved from supporting fingers 52 by a spout 53, which brings it to the level of a table 33 and simultaneously fills it. The upper portion of the bag is seized by jaws 35, 36, Figs. 1 and 5, and transferred for further operations. The jaws 35 are fixed to a support 34, on which the jaws 36 are pivotally mounted at 41. Springs 50 on guides 49 urge the jaws 36 into contact with the jaws 35 except when otherwise actuated by an oscillatory cam 43. The jaws are brought together to hold and carry the bag to a position at which they are delivered to a crimping and severing device. The delivery device comprises a stationary table 57 and a table 60 adapted to swing downwards into the plane of the table 57 after the mouth of a bag has been moved into contact with the latter. The table 60 is offset to form a slot 61 which receives the upper edges of the bag and a sliding head 58 is moved to the right to disengage the bag from the jaws 35, 36, which have meanwhile been opened, and to force it into a slot 56 in an arm 55 in a rotary disc 54. This action puckers the mouth as shown in Fig. 9, and it is retained in this position by a guide 62, while the disc 55 makes a rotational step towards trimming blades 63, 64, pivoted at 65. The blades approach each other to shear off the top edges of the bag, which now appears as in Fig. 10. The blade 63 is normally in the outward position shown, so as to allow the bag to pass, and is then moved inwards by links 75, 74 and a pivoted plate 67. The blade 64 is moved inwards by the engagement of a pin 70 on the plate 67 with a slot 71 on an extension 72 of the blade. The slot is so shaped that the initial part of the movement of the plate 67 causes no appreciable movement of the blade 64 until the blade 63 is in position. After the bags have been trimmed, the disc 54 moves through 90‹ to carry the bags to a position at which a U-shaped strip of metal is applied to secure the mouth. The strip is cut by blades 101<1> and is carried into position over the bag by the rotation of a disc 97, whereupon a head 91 is moved to the left and forces the strip on to the neck of the bag.
Patent GB-192752-A (GB)
Title: Improvements in means for fixing rails to railway sleepers
IPC: E01B9/32
Filed: 1921-11-02
Abstract: 192,752. Dempster, H. G. Nov. 2, 1921. Sleepers, securing rails to.-Rails 3 are secured to corrugated metal sleepers 1 by spring clips 5 pivoted at 7 to the sleepers and provided with curved ends 10 to engage a rib or ridge, on the sleeper when turned to secure a rail. The clip may have projections 11 to receive the impact of a hammer, &c. Fixed clips or projections 12 engage the outer flange of the rail.