baber/WOPTO huggingface dataset:
Patent GB-928741-A (GB)
Title: A trolley, particularly for the transport of linen in laundries
IPC: D06F95/00
Filed: 1961-04-18
Abstract: 928,741. Hand trucks. R. L. DUFLOT. April 18, 1961 [April 20, 1960], No. 14032/61. Class 108(1). A wire-framed trolley has a central longitudinal division 8 to which are hinged shelves 11-14 the lower shelves 9, 10 being fixed thus enabling goods to be stacked on the shelves without hindrance from the upper adjacent shelf. The shelves are retained in the vertical position by magnetic catches 17, 18 and depending members 19-22 secured under the outer edges of the shelves slave to retain the goods in position on the shelf below.
Patent GB-228421-A (GB)
Title: Improvements in apparatus for drying substances such as skins, pelts, hides or leather
IPC: F26B21/02
Filed: 1924-06-10
Abstract: 228,421. Johnson, J. Y., (Proctor & Schwartz, Inc.). June 10, 1924. Air, controlling circulation of; frames.-In drying-apparatus of the kind in which frames carrying the articles to be dried are passed into an open-sided drying chamber and are provided with members which close the open side of the chamber when in either of their extreme positions, carriers are pivotally mounted on the frames so that they may be held in a vertical position inside the chamber, and in an horizontal position outside for the affixing and removal of the articles to be dried. The drying-chambers b are separated from a central chamber a by partitions 4, which have openings at the top and bottom for the air heated by the pipes 11 and circulated by the fan 7. The frames 3 are guided and supported by rails 12, 15, and flanges 6 and 24 on the frames close the open sides of the chambers b when the frames are in their outer and inner positions respectively. The skins are secured to one or both sides of a perforated plate or wire screen 26 by clips 35, the member 26 being mounted in a carrier 23 having trunnions 22 which engage sockets 21 on the frame 3. Pins on the sockets 21 engage notches on the trunnions 22 to hold the carriers 23 in an horizontal position when required, and sliding latches 33 retain the carriers in a vertical position. The frames 3 are prevented from swinging by notched plates 28, 30, or by guide plates which engage the frames while permitting the carriers 33 to turn on their pivots.
Patent GB-751540-A (GB)
Title: Improvements in or relating to electrostatic electron lenses
IPC: H01J29/62
Filed: 1954-05-17
Abstract: 751,540. Electron lenses. TELEFUNKEN GES., [formerly TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE.]. May 17, 1954 [May 15, 1953], No. 14328/54. Class 39 (1). In an electron lens where an inner tubular electrode 1 or 2 projects into an outer tubular electrode 3, the transverse dimension of the projecting end of the inner electrode is enlarged as by conical portion 5 or by flange 4. Thus the effective ratio of the diameters is increased at the point where the actual lens field occurs without also increasing it in the region of the ends of electrode 3, where cold emission discharges are liable to occur. The ends of electrode 3 may be rolled over as at 6 to further reduce the possibility of discharge. The lens may be a unipotential one, as shown, with the outer electrode at 200 volts positive and the inner ones at 15 kv.; or a two-element lens.
Patent GB-391621-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H02M7/15
Filed: 1932-05-20
Abstract: 391,621. Converting ; phase-changing. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A. (Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) May 20, 1932, No. 14405. Convention date, May 20, 1931. [Class 38 (ii).] In an arrangement for automatically ad. justing the heating current of a discharge device 21 with the load current, the devices 32, 28, adjusting the load and cathodeheating currents, are mechanically coupled for simultaneous regulation. The anode 23, grid 29, and cathode 22 of a mercury-arc rectifier 21 are supplied from an alternating-current source 24, and a resistance 32, which forms part of a bridge 30, 31, 32 controlling the grid potential, is adjusted to vary the phase of the grid relative to the anode to control the anode current. The resistance 32 is mechanically coupled to a variable resistance 28 in the cathode-heating circuit for simultaneous regulation of the cathode supply.
Patent GB-528783-A (GB)
Title: Improvements in steam generators
IPC: F22B31/04
Filed: 1939-05-15
Abstract: 528,783. Water-tube steam boilers. FOSTER WHEELER, Ltd. May 15, 1939. No. 14448. Convention date, May 20, 1938. [Class 123 (ii)] In a boiler having a superheater heated by burners 34 in a furnace separate from the main furnace 26 as described in Specification 484,529 the superheater 33 and its furnace is disposed between two banks of tubes 21, 22 connecting the upper boiler drum 18 to lower drums 19, 20. The gases leaving the superheater furnace pass through the main bank of tubes 21 on their way to the uptake 13. In a modification, spaced banks of vertical tubes are connected to a single lower drum. Specification 528,269, also is referred to.
Patent GB-1313462-A (GB)
Title: Die-furnace for the fabrication of sintered products
IPC: F27D3/18
Filed: 1971-05-12
Abstract: 1313462 Induction heated die COMMISSAKIAT A L'ENERGIE ATOMIQUE 12 May 1971 [12 May 1970] 14511/71 Heading H5H A die furnace for the fabrication of sintered products comprises a cylindrical refractory die 2, an assembly of bands 4 surrounding the die externally, packing material 5 placed between the bands 4 and die 2 for transmitting to the die radial forces produced by the bands, and an induction heating device located within the packing material and constituted by a primary winding 6 having circular turns and a closed secondary winding 7, 8 surrounding the die 2. The die furnace is preferably enclosed in a vacuum tight casing 20, dynamically sealed rams 22, 23 penetrating the casing and the die 2. The secondary winding 7, 8 has openings 17, 18 to permit the band assembly to apply radial pressure to the die through the packing material 5. The ends of winding 6 pass through casing 20 by means of a vacuum tight coaxial passage 30, the outer conductor of which is earthed to prevent induced currents in the band assembly 4.
Patent GB-222541-A (GB)
Title: Improvements in and relating to acoustic signalling systems and apparatus therefor
IPC: G04F7/00
Filed: 1923-06-02
Abstract: 222,541. Loth, W. A., and Soc. Industrielle des ProcÚdÚs W. A. Loth. June 2, 1923. Drawings to Specification. Stop mechanism; short - time movements; dials.-A stop-clock for use in connection with the signalling of ships' courses and simultaneous determination of the distance from ship to ship has two hands, one of which indicates against two scales graduated respectively in seconds of time and in distance units, while the other indicates against a scale of angular degrees. In order to signal its course, a ship emits as a warning signal a blast which lasts for four seconds and is timed by observing the first hand. This hand is stopped and returned to zero at the end of the four seconds, whereupon the other hand starts moving until it indicates the angle representing the ship's course bearing. A further blast is then emitted, the time-interval between the two blasts being thus proportional to the course bearing. Simultaneously with this second blast the angle-hand is returned to zero, and the first mentioned hand is thereby again started, but it is stopped at the moment when the reply signal is heard. It then indicates on the distance scale the distance of the answering vessel. The signals may be electrically controlled by the act of starting or stopping the hands referred to.
Patent GB-836497-A (GB)
Title: Improvements in or relating to fluid pressure-operated servo-motors
IPC: F15B9/16
Filed: 1958-05-07
Abstract: 836,497. Fluid-pressure servomotor-control systems. LEDUC, R. May 7, 1958 [May 7, 1957], No. 14596/58. Class 135. In a fluid-pressure servomotor the supply of motive fluid to the power member is controlled by follow-up ball valve assemblies 10, 20 actuated by relative displacement of the controlling and controlled members, each assembly conprising a number of ball valves whose seatings are of different areas, the valves being opened successively in the order of increasing areas of their seatings and closed in the reverse order, whereby the controlled member is set in motion and arrested substantially without shock, and its movement is substantially dead-beat. In the form shown the servomotor consists of a power cylinder 15 with fluid inlet and outlet ports 18, 19, and a power piston 9 with a hollow piston-rod 23, the piston and rod having bores for a pilot jack comprising a piston 8 and rod 45, the latter being formed with conical surfaces 41, 43 by which the valve assemblies 10, 20 are actuated. Axially disposed within piston 8 is a control-rod 1 with conical surfaces 2, 47 for actuating pilot ball valve assemblies 3, 16. As shown in Fig. 2, each of the control-valve assemblies 10, 20 consists of a group of four ball valves such as 20a, 20b, 20c, 20d of increasing diameter and engaging seatings of increasing area, with intermediate balls 21, or other valve actuating elements, so arranged that movement of rod 45 causes the valves to open in the order 20a ... 20d, and close in the reverse order. Assuming that the input control-rod 1 is moved to the right, conical surface 2 opens the pilot valves of assembly 3, thus admitting pressurefluid from inlet 18 through passages 12, 51 to the left-hand face of pilot piston 8, which is thereby moved to the right to cause the conical surface 41 on rod 45 to unseat successively the valves of assembly 10 and allow pressure-fluid to pass through passages 12, 33, 35 to act on the lefthand face of power piston 9. When rod 1 is brought to rest the pilot valves 3 close, and this is followed by closure of the main control valves 10. A calibrated orifice 17 equalizes the pressures acting on the pistons 8, 9. In a further embodiment, Fig. 3 (not shown), the pilot piston 8 works in a cylinder forming a coaxial extension of the main cylinder 15. The servomotor is primarily intended for use on aircraft, the input control rod 1 being operated manually or by an automatic pilot or stabilizing device, while the piston-rod 23 operates, for example, control surfaces or flaps, the undercarriage, or wheel brakes. Also, to permit manual operation in the event of power failure, the rod 1 is formed with a collar 59 which engages abutments on the pilot piston 8 with small lost-motion. Specification 654,415 is referred to.
Patent GB-1011905-A (GB)
Title: Improvements in or relating to the preparation of carbon black
IPC: C08K3/04
Filed: 1964-04-09
Abstract: Thermal carbon black, characterized by a particle size distribution of between 30 and 60% in the range 45 to 85 millimicrons, no less than 90% in the range 25 to 205 millimicrons and preferably having an arithmetic mean of from 75 to 125 millimicrons, and by a surface area of from 15 to 30 square metres per gram, may be made by flowing a gas mixture containing hydrocarbon and from 8 to 70% by volume of an oxide of carbon through a hot zone at a temperature of from 1800 DEG to 2900 DEG  F., the flow being at a space velocity preferably of from 0.105 to 0.873 per second.  The hot zone may be provided in a tube of inert refractory material, for example silicon carbide, quartz, alumina or mullite.  The gas mixture, which preferably contains one volume of hydrocarbon gas for each 0.3 to 2.0 volumes of oxide of carbon, may be natural gas containing 33 to 70% of carbon dioxide when the temperature is preferably from 2550 DEG  to 2750 DEG F.  The gas mixture preferably is free from oxygen, but may contain hydrogen, for example by using "methanol synthesis" gas (composition given in the Specification) which also contains the necessary oxide of carbon.
Patent GB-1136688-A (GB)
Title: Polyallyl esters
IPC: C07C69/83
Filed: 1967-03-31
Abstract: 1,136,688. Polyallyl esters of benzene polycarboxylic acids. FMC. CORP. 31 March, 1967 [28 April, 1966], No. 14706/67. Heading C2C. Polyallyl esters of a benzene polycarboxylic acid are made by reacting an excess of allyl alcohol with a benzene polycarboxylic acid or anhydride at a temperature of 165-250‹ C. in the absence of a strongly acidic catalyst having a pK below 4, the reaction being carried out in the presence of an esterification catalyst having a pK a  above 4 when temperatures below 190‹ C. are used, for a time sufficient to convert at least 90% of the acid to the polyallyl ester. Suitable acids and anhydrides for use as starting materials are, for example, o-phthalic, isophthalic, terephthalic, trimellitic, trimesic, hemimellitic, pyromellitic, mellophanic, pehrritic, benzene-pentacarboxylic and mellitic acids and phthalic anhydride, the inner anhydride of trimellitic acid and pyromellitic acid. Suitable catalysts are, for example, dibutyl tin oxide, tin oxalate and sodium oxalate. Examples are given of the preparation of (a) diallyl phthalate, (b) diallyl isophthalate and (c) triallyl mellitate.
Patent GB-1416820-A (GB)
Title: Radioactivity integrators
IPC: G01T1/15
Filed: 1973-03-27
Abstract: 1416820 Radio-activity detector NIHON KIKI KOGYO CO Ltd and SUMITOMO SHOJI KAISHA Ltd 27 March 1973 14711/73 Heading G1A A radio-activity intergrator comprises a radioactivity detector 1, e.g. a Geiger-M³ller counter or an ionisation chamber, Fig. 2 (not shown), in a high voltage circuit 6, 7, an electrolytic cell 2 biased by current from detector 1, the cell comprising an electrolyte, a gold-coated electrode 3 having a predetermined amount of silver deposited thereon in a starting state, and a silver-coated electrode 4, and an alarm device 5 connected to a junction between detector 1 and cell 2, whereby in operation the voltage at the junction rises to energize the alarm when the predetermined amount of silver is transferred from electrode 3 to electrode 4. The amount of silver is deposited on the goldcoated electrode initially by applying current from electrode 4 to electrode 3.
Patent GB-310676-A (GB)
Title: Improvements in or relating to swifts or the like
IPC: B65H49/30
Filed: 1928-05-19
Abstract: 310,676. Farrington, F. C., and Nasmith, F. May 19, 1928. Skein-holders and swifts.-To promote free rotation a skein-holder or swift particularly for use with delicate yarns is provided with two roller or ball-bearings, one at each end of its hub, arranged so as to support its weight on the swift-mounting. The inner race 15 of a ballbearing is secured by a screw 14, Fig. 1, to a cylindrical extension of the hub 10, the outer race 16 being received in the swift-mounting. In a modification, the cylindrical extension and protecting cap 13 are omitted and the bearings are partially housed in recesses 20, Fig. 3. In a form having a central spindle 18, Fig. 2, non- rotatably secured by flattened ends 19 in the swift support, the bearings are completely sunk in recesses 17 the inner race 15 being secured on the spindle 18. The end portion and cap 13 may be omitted, Fig. 4, a dust-excluding flange 21 being formed on the outer race 16.
Patent GB-666399-A (GB)
Title: Control of nickel-chromium-cobalt alloys to give high creep strength at high temperatures
Inventor: GRESHAM HAROLD ERNEST
IPC: C22C19/05
Filed: 1948-06-01
Abstract: An alloy having good creep properties at high temperatures has the following composition, Co greater than 10 and up to 40 per cent; Cr 10-30 per cent; Mo 2-18 per cent; Al 0.2-8.6 per cent; Ti 0.2-4.4 per cent; Ni, and normal impurities, the remainder, so that the sum Mo + 2 Al + 4 Ti is between 16 and 20.  The alloy may also contain one or more of the following elements, V up to 10 per cent; Nb up to 4 per cent; Mn up to 2 per cent; Si up to 1 per cent; Fe up to 5 per cent; C up to 0.5 per cent; N up to 0.25 per cent; one or more of Ca, Mg, Ce and rare earth metals up to 0.5 per cent in total.  The alloy may be heat treated by heating at 1,050-1,250 DEG C for 2-20 hours followed by heating at 700-1,000 DEG C for 2-50 hours. Specifications 583,845, 607,616, 620,676 and 666,401 are referred to.
Patent GB-1311145-A (GB)
Title: Polythio-ethers
IPC: C08G75/02
Filed: 1970-03-26
Abstract: 1311145 Polythioethers AQUITAINEORGANICO 26 March 1970 [28 March 1969] 14834/70 Heading C3R Novel polythioethers have units of formula where R is a divalent aromatic or heterocyclic radical and R<SP>1</SP> is a divalent radical having at least one unsaturated heterocyclic ring which is six-membered with one or two hetero-atoms or five-membered with one, two or three heteroatoms. The polymers are prepared by condensing the alkali metal or alkaline earth metal salts of appropriate dithiols with appropriate dihalogenated compounds. In examples the dilithium salt of 4,4<SP>1</SP>-dimercapto-diphenyl ether is reacted with 3,6-dichloro-pyridazine, the disodium salt of 4,4<SP>1</SP>-dimercapto-diphenyl ether is reacted with 3,6-dichloro-pyridazine, the dilithium salt of 2,5-dimercapto-thiadiazole-1,3,4 is reacted with 3,6-dichloro-pyridazine and the di-sodium salt of 4,4<SP>1</SP>-dimercapto-diphenyl ether is reacted with bis-(chloro-2-benzo-thiazole)- 6,6<SP>1</SP>-sulphone. Lists of other suitable starting materials are given. Uses.-Moulded objects, sheets, films and coatings.
Patent GB-257043-A (GB)
Title: Improvements in or relating to power digging devices
IPC: E02F3/30
Filed: 1925-06-08
Abstract: 257,043. Withers, J. S., (Erie Steam Shovel Co.). June 8, 1925. Scoop-arm machines.-A power digging device of the type involving a crane-like structure has a primary motor which operates the digging element directly and also actuates energy-storing means from which other movements are effected through a secondary motor or motors. As shown, an internal-combustion engine 63 drives a chain 60 which through transmission gearing 58 drives the hoisting drum 39 of the scoop arm 12, or drives the traction mechanism of the machine, the chain 60 also acting through sprocket 87 to operate a compressor 81 which forces air under pressure into containers 35, 35<a> ; this air is employed to drive a crowding engine 22 controlling the racking gear 15 of the scoop arm and an engine 7b controlling rotation of the superstructure through gearing 7 and a circular rack 7<a>, and is also used to control clutches &c. The transmission gearing 58 comprises a driven wheel 59, Fig. 4, loose on shaft 56 and pinions 141, 155 co-operating respectively with pinions 142, 157 secured respectively to drums 144, 158; friction bands under control of fluid pressure cylinders 152, 162 lock the drums 144, 158 to give a low speed or reverse drive respectively, or the gear 59 may be locked to the shaft 56 by a friction clutch 164, 165, 169 operated by admitting- fluid to a cylinder 167 whereby a high speed drive is obtained. The hoisting drum 39 is locked to its driving gear 42 by a band clutch operated by a fluid pressure cylinder 50 carried by the gear, lever 47 and eccentric pin 46. The hoisting 'drum shaft also drives the traction mechanism through clutch 64 and gearing 66, 70, 71, 74, 77. The air supply to, and exhaust from, cylinders 152, 162 and 167 controlling the transmission mechanism and the cylinder 50 controlling the hoisting drum clutch are controlled by one rotary valve 174 operated by a lever 183. The inlet pipe 94a leading to the compressor is provided with a valve 101, Fig. 7, secured to a spring- pressed piston 103; if the pressure in the receivers 36, 35a is excessive, air passes from receiver 35 through pipe 108<b> to raise a spring- pressed plunger 108 carrying a needle valve 107 and depresses piston 103 to close the compressor inlet and thereby relieve the engine. Similarly, if the speed of the engine is too low, the governor 113 opens a valve 120 to admit air from pipe 125 through pipe 126, and past check valve 127<a> to close the compressor inlet; further when the hoisting drum 39, driven at low speed, is lifting the scoop arm during digging, air passes from the pipe 153 of the low speed control cylinder 152 and through a valve 202 and pipe 203 to close the compressor inlet as before, while when the traction mechanism is in use, the valve 202 is set to connect the receiver 35<a> to the pipe 203 whereby the compressor inlet is again closed. Specification 257,044 is referred to.
Patent GB-1219574-A (GB)
Title: A container ship and a process for loading and unloading same
Inventor: WALDA FEDDE
IPC: B63B25/00
Filed: 1967-03-31
Abstract: 1,219,574. Container ships. F. WALDA. 29 March, 1968 [31 March, 1967], No. 14920/67. Heading B7A. [Also in Division B8] In a ship having superimposed holds 1a, 1b 1c and 1d vertically separated by decks for stowing containers 6 in rows extending athwartships across the width of the holds, an elevator 4 is movable in shaft 3 vertically connecting the holds, the elevator extending across the width of the holds, and a hatch opening 5 leading through the side of the ship directly into one of the holds is situated at a point remote from the elevator. Pusher 24 expels through the hatch opening a row of containers extending across the width of the hold and pusher 16 moves longitudinally along the hold a layer of containers. In the embodiment described, the elevator 4 has two compartments 4a, 4b each equal to the height of an individual hold and the containers are transported ashore over bridge 11.
Patent GB-658143-A (GB)
Title: Improvements relating to axial flow compressors
IPC: F04D29/58
Filed: 1949-06-03
Abstract: 658,143. Axial-flow compressors. SULZER FRERES SOC. ANON. June 3, 1949, No. 14927. Convention date, July 16, 1948. [Class 110(i)] In a multi-stage axial-flow compressor having a cooler combined with its casing, the medium is conveyed through one group of stages in an axial direction, then flows through the cooler in the reverse direction and enters a pressure conduit which is adjacent to the suction conduit of the group of stages. Medium from a suction conduit 6 passes through the first group of stages 7 and reverses its direction at an annular space 8, subsequently passing by way of a pair of coolers 9 and a pair of pressure conduits 10 to a second group of stages 12. The medium passes in reverse direction through a second pair of coolers 14 and thence by way of a pair of conduits 15 to a discharge conduit 16. Transverse walls 18 may be provided to prevent convection currents in spaces 17. The coolers 14 and the stages 12 may be omitted.
Patent GB-994503-A (GB)
Title: Improvements in or relating to weftless banding tape
Inventor: MAY GEOFFREY BILSON
IPC: C09J131/04
Filed: 1963-04-16
Abstract: A weftless banding tape comprises a plurality of warp yarns of man-made fibre in side-by-side relationship and which are bonded together by means of an adhesive comprising an aqueous dispersion of a copolymer formed from a monomeric vinyl acetate and a monomeric vinyl ester or acrylate represented respectively by the general formula: <FORM:0994503/D1-D2/1> wherein R1 is a straight or branched chain alkyl group containing 2 or more carbon atoms and R2 is a straight or branched chain alkyl group.  The yarns may be bonded together by means of an adhesive comprising an aqueous dispersion of a polyvinyl acetate having a molecular weight coefficient in the range of from 1.2 to 2.7 and a plasticizer for the polyvinyl acetate in an amount by weight of up to 10%, based on the dry adhesive. Specification 942,752 is referred to.