baber/WOPTO huggingface dataset:
Patent GB-490765-A (GB)
Title: Improvements in electrical switching devices employed in electrical signalling systems
IPC: H02J13/00
Filed: 1937-02-22
Abstract: 490,765. Actuation of switches. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., and ROSEBY, P. N. Feb. 22, 1937, No. 5270. [Class 38 (v)] A continuously rotating synchronous motor M drives the centre pinion CP of an epicyclic gear and normally the planet wheels PP and associated gearing ending in the wheel GW are idling. A high frequency impulse of selected frequency transmitted along lines 1, 2 sets a tuned reed R in motion and causes a member S to move into the path of wheel GW and lock it. This causes the outer ring OR of the gearing to be driven and a pin OP on the ring engages a slot in a wheel W to turn a cam shaft CS and close a circuit at SP. The pin OP continues to rotate after the impulse ceases, due to the resistance of the gearing, until the pin again rests against the next slot in the wheel W. This arrests the pin OP and the gearing GW then idles as before in readiness for a second operation. The pin OP may normally be held away from the wheel W by a spring which thus prevents operation by stray impulses. A modification is described in which the wheel GW is driven by the motor M through a clutch omprising co-operating crown wheels having sloping teeth. When the wheel GW is arrested, one of the crown wheels moves axially against spring action, and the axial movement is used to operate a switch through pawl and ratchet mechanism.
Patent GB-1435412-A (GB)
Title: Air-flow controller
IPC: F04B49/00
Filed: 1974-02-05
Abstract: 1435412 Valves DANFOSS AS 5 Feb 1974 [6 Feb 1973] 05277/74 Heading F2V In a valve as disclosed in Specification 1,435,411, the valve closure member 2 is mounted on a cover 3 to allow removal of the member 2 from the casing of the valve and the casing is lined with sound-absorbing material 7.
Patent GB-992460-A (GB)
Title: Cutter for separating a strand of material
IPC: B23D25/06
Filed: 1963-02-08
Abstract: 992,460. Shearing. H. BIERI. Feb. 8, 1963 [Feb. 9, 1962], No. 5321/63. Heading B3W. A flying shear comprises a pivoted cradle frame, cutter means mounted on the frame and a piston and cylinder assembly mounted on the frame and operatively connected with said cutter means. The pendulum frame 3 has a bush 10 at its upper end and is supported by a pivot pin 11 rigidly mounted in the machine frame 1. A double-acting fluid-operated cylinder 22 is mounted in the frame and carries a cutter 27 at the lower end of the piston-rod 25. The cylinder is fed with fluid by pipes 18 and 19 which connect with ports in the bush 10 and passageways in the pin 11 which are in turn connected to a pump. The fixed knife 39 is mounted on a support 38 connected to a crossbeam 37 which also forms the attachment point for the piston-rod of a fluid-operated cylinder 4 which rocks the pendulum to accelerate the cutters to the speed of the work 6. A roller table 7 supports the work and carries a bracket 41 which is acted on by a roller 40 mounted on the ram 25 so that the roller table has a movement corresponding to that of the work as it is cut.
Patent GB-179342-A (GB)
Title: Improvements in or relating to speed indicators for use in connection with aerial or marine vessels
IPC: G01P3/36
Filed: 1921-02-16
Abstract: 179,342. Smith, J. R. C. Feb. 16, 1921. Speed indicators operated by sighting aerial, marine, and terrestrial objects. -A relative speed indicator for aircraft and ships has a sighting-device motor-operated to swing in a direction opposite to that of motion and controllable by a brake to enable the observer to retain in view the relatively moving object, with means adjustable according to the distance of the object for indicating the relative linear speed thereof. In the instrument for use on aircraft for determining the groundspeed, the sighting-device, mounted on the casing rigidly attached to the aeroplane, comprises an eyepiece 3, Fig. 2, on a base 4 connected by legs 5, 6 to a yoke 7, 8, 9, carrying a cross-wire 11, and may be swung in a vertical plane in one direction by a finger-piece 15 on an arm 16 extending laterally from the leg 5. A spring 17, one end connected to a shaft 18 and the other to the case, and prevented from reverse rotation by a pawl 19 and a ratchet-wheel 19<a>, drives the shaft 13, Fig. 5, of the sighting- device through gear-wheels 20<a>, 20<b>, 21, and also rotates a friction disc 33<a> through gear-wheels on shafts 23, 27, 30, 33 arranged so that the disc makes a large number of revolutions for one swing of the sighting device, and the velocity of both is controllable by means of a brake 53, the pressure of which on the disc is regulated by a screw 57. The disc drives a friction wheel 38, Fig. 7, which is movable along a square-sectioned portion 35 of a shaft 36 parallel to the diameter of the disc and is supported in a fork whose body 39 carries a finger-piece moving a scale indicating altitude, i.e. distance of the relatively moving object. On the shaft 36 is a governor consisting of a fixed collar 41 and a movable collar 42 connected by flexible bands 43 carrying ball weights 44, movement of the collar 42 with change of speed of rotation of the shaft being communicated to a pointer 48 pivoted to the case at a point 49 and connected by links 47, 46 to a ring 45 engaging in a groove in the collar. In operation, the finger-piece of the friction-wheel is moved to the correct point on the altitude scale, the sighting- device is swung to the right of Fig. 6 to wind up the spring 17 and released, and the brake is adjusted so that the fixed object is retained in view; the pointer 48 then indicates the speed of the aeroplane. In the instrument for use with ships, the sighting-device swings in an horizontal plane and is secured to the case. The shaft 62, Fig. 12, of the sighting-device, which is connected to a mounting, is turned by hand and drives through gearing the friction disc 71, which engages the friction wheel 72 movable on a shaft 73 by a yoke 76 pressed down by a coil-spring 79. The movable collar of the governor on the shaft 73 actuates the pointer 83 through a linkage by a pin- and-slot means.
Patent GB-502137-A (GB)
Title: Improvements in or relating to heat transferring systems
IPC: F25D11/02
Filed: 1938-02-21
Abstract: 502,137. Float - actuated valves. ELECTROLUX, Ltd. Feb. 21, 1938, No. 5411. Convention date, Feb. 19, 1937. [Class 135] [Also in Group XIII] In a closed-cycle heat transfer system charged with a volatile liquid and including a condenser coil 14 wound upon the evaporator 13 of an 'absorption refrigerating apparatus, and an evaporator 15 in a chamber to be cooled, volatile liquid is forced intermittently from a heat-insulated vessel 25 connected by tubes 23, 24, Fig. 2, controlled by valves 31, 32 with a vessel 21 connected to the coil 14. The valves are carried by a pivotally-mounted plate 35 the position of which is regulated by a snap-action toggle mechanism comprising links 38, 39, Fig. 3, pivotally mounted on an extension 43 of a bracket 44 secured to the top of the vessel 25 and having a depending arm 50 connected by links 48, 49 to a rod 51 secured to a float 52 in the vessel; The link 39 of the toggle mechanism is connected by a link 47 to the link 48. In the closed position of the valves, the vapour evolved in a container 28 connected to the vessel 25, which is exposed to the air, passes into the vessel 25 and forces liquid therefrom to the evaporator 15. When the liquid level in the vessel falls to a predetermined height, the float falls and the valves 31, 32 open' thus permitting the flow of liquid into the vessel 25 and the container and equalizing the pressure between the vessels 21, 25. In a modification, the container 28 is replaced by a tube 58, Fig. 7, and vapour is prevented from entering the vessel 25 when the valves 31, 32 are open by a valve 59, Fig. 8, carried on an arm of the toggle mechanism. The valve closes the end 60 of the vapour inlet from the upper end of the tube 58.
Patent GB-1047530-A (GB)
Title: Improvements in axial flow turbines
Inventor: BUHR WALTER
IPC: F01D17/14
Filed: 1964-02-10
Abstract: 1,047,530. Valves. TURBINENFABRIK DRESDEN VEB. Feb. 10, 1964, No. 5429/64. Heading F2V. [Also in Division F1] An annular array of segmental slide members 1 forms a valve controlling the flow of working fluid through the guide and rotor blades 3, 4 respectively of a steam or gas turbine. Chambers 9 on the downstream side of the slide members are supplied with pressurized steam or gas through passages 10 so as to compensate for the working fluid pressure acting on the upstream side of each slide and thus reduce friction during radial control movements. The spindle 2 of each slide is loose in its housing so that the slide has a limited degree of axial freedom thus enabling the leak-off gap past-the slide for fluid from chamber 9 to adjust itself to the working fluid pressure on the upstream face of the slide. Grooves 6 give each slide a degree of flexibility. In a modification the chambers 9 are provided in the downstream surfaces of the slides.
Patent GB-436058-A (GB)
Title: Improvements in or relating to multi-cylinder v-type exhaust turbine supercharged internal combustion engines
IPC: F02B37/02
Filed: 1935-02-20
Abstract: 436,058. Pumps. BUCHI, A., 20, Salstrasse, Winterthur, Switzerland. Feb. 20, 1935, No. 5436. Convention date, Feb. 23, 1934. [Class 7 (ii)] Two exhaustdriven turboblower sets are mounted between the arms of a V- multi-cylinder engine, one set adjacent to each end of the engine. Part of each row of cylinders exhausts into one exhaust turbine 18 and the remainder of each row into the other turbine 19, separate compartments for each part being preferably used. The blowers 20, 21 deliver to the whole of the cylinders through an intercommunicating system, which may be formed in the framing. Either the exhaust-turbine or the blower part of each set may be at the outer end-faces of the engine.
Patent GB-1518043-A (GB)
Title: Electrical apparatus for aligning relatively movable members
IPC: G05G23/00
Filed: 1976-02-11
Abstract: 1518043 Mechanical switches KOPPERS CO Inc 11 Feb 1976 [11 Feb 1975] 05464/76 Heading H1N In electric switch apparatus for relatively locating movable members 13, 57, Fig. 1, a tube 11 attached to one of the members 13 carriers a pivoted feeler arm 31 having one end 33 extending towards the other member 57 for engagement therewith whereby when the members are being aligned, the arm 31 is pivoted against the action of springs 43, 43a so that a movable contact extension 39 engages one or other of fixed contacts 53, 53a to operate a signal indicating misalignment. The switch is particularly applied to coke oven batteries for the alignment of a door extractor machine with an oven chamber.
Patent GB-1263061-A (GB)
Title: Improvements in or relating to electrical connectors and terminal contacts therefor
Inventor: VEALE ALFRED WILLIAM JOHN
IPC: H01R13/432
Filed: 1968-02-02
Abstract: 1,263,061. Two part couplings. FORD MOTOR CO. Ltd. 3 Feb., 1969 [2 Feb., 1968], No. 5518/68. Heading H2E. Interengaging identical contact pins (Fig. 1) each have portions 3, 3a (Figs. 1 and 3) of truncated sector cross-section joined by a web portion 4 with an open ended slot 6 which may be outwardly flared at the tip. Nose portions 7, an aperture 8 and wing portions 9 (Fig. 3) having bent portions 9a, 9b (Fig. 1) may also be provided. The contact pin may be made by extruding or drawing the required cross-section with or without portions 9, punching the slot 6 and aperture 8, and cutting to length. A moulded insulated housing 2 (e.g. of polypropylene) for housing each contact pin comprises a body portion 12 (Fig. 6) with a longitudinal bore 13, enlarged (as at 13a, Fig. 8, not shown), to provide space for soldered connections, and includes portions 14, 14a projecting from the body, 14a having a slot 17 in which wing portions 9 of the pin are located. The housing 2 may have dovetail portions 19 and complementarily shaped grooves on opposite faces, and may include a resilient tongue 21 with a hook portion 22. A composite block of housings 2 may be formed by engaging portions 19 with grooves of adjacent housings to provide a multiway connector; the orientation of the units may be different (Fig. 12, not shown) to match only a particular assembly of pins, or, a number of contact pins may be inserted in a single insulating housing to provide a multi-way connector. A modification of the invention comprises a double ended pin (Fig. 13, not shown) for connection through bulkheads. A metallic commoning plate (30, Fig. 17, not shown) may be used to connect adjacent contact pins electrically.
Patent GB-1143193-A (GB)
Title: Improvements in or relating to electro-optical systems
IPC: G02B6/06
Filed: 1966-02-09
Abstract: 1,143,193. Photo-electric measurement. CONDUCTRON CORP. Feb.9, 1966 [Feb.11, 1965], No. 5584/66. Heading G1A. [Also in Divisions G2, G4 and G5] Each of a plurality of light conduits comprises a bundle of optical fibres and has one end adjacent to a light-transmissive face of an associated one of a plurality of electron discharge devices, the other ends of the light conduits being disposed in a linear array. In one embodiment Figs. 1 to 5 (not shown), electrical input signals are applied to a plurality of cathode ray tubes (50 to 56), and the far ends (22 to 28) of associated light conduits (47, 48, 49, &c. ) emit the resulting light signals as beams (13 to 19) which pass through an optical system (12, 20) to produce a corresponding plurality of tracks on a photographic film (21) which may be viewed through a microscope (41). In a second embodiment Figs.6 to 8 (not shown), incoming light signals from separate areas on a film are fed along light conduits (170 to 176) to photomultiplier tubes (160 to 166) which drive pen recorders (241 to 247) through amplifiers (191 to 197).
Patent GB-1279746-A (GB)
Title: Servo drive
IPC: H02P3/18
Filed: 1970-02-05
Abstract: 1279746 Control of A.C. motors SULZER BROS Ltd 5 Feb 1970 [6 Feb 1969] 5601/70 Heading H2J An induction motor 2 drives a valve 4 and is provided with reversing switches 13v, 13r, under the control of push-buttons 16v, 16r. A current-measuring network 11 comprises transformers 21 and provides a signal c, for switching off the motor when the valve reaches a limiting position or encounters an obstruction. A trigger 30 develops an output signal d when the signal c exceeds a reference signal e. An AND gate 31v produces signal fv when it receives the signal d as well as a command signal av for opening the valve. A store 32v is triggered by the signal fv to remove a signal gv from AND gate 18v whereby switch 33v turns off the main switch 13v. The store 32v is returned to its basic position by a command signal ar for closing the valve, thus preventing re-starting of the motor in the previous direction after being switched off by the network 11. Conflicting switching-on signals for both directions of rotation are prevented, a closure command signal hr being inverted and applied to gate 18v. An OR gate 36 receives directional command signals hv, hr, and produces signal m which is applied to delay device 35 having output k forming one input to gate 18v. In this manner, power can be restored to the motor after switching-off only after a certain delay. The signal m is also applied to a further delay device 37 which produces pulse p for making transistor 29 conductive and reducing the signal c by means of the divider 27, 28. This sets a higher current-limit for the motor during the starting period.
Patent GB-559047-A (GB)
Title: Improvements relating to electromagnetic devices and especially to electric telegraph relays
IPC: H01H51/22
Filed: 1942-04-28
Abstract: 559,047. Sound reproducing devices; gramophone pick-ups. CARPENTER, R. E. H. April 28, 1942, No. 5710. [Class 40 (iv)] [Also in Group XXXVII] In a sound-reproducing instrument or gramophone pick-up having a vibratory armature 10, polarising magnets 11, 12 and a coil 5 carrying the fluctuating current and mounted on a core 4, the fluctuating flux passes through a magnetic circuit 4, 6, 7 of low reluctance and the polarising flux passes through two paths 14 which are in parallel and separate except where they pass through the armature. The armature 10 is pivoted at a point between the permanent magnet poles by means of trunnions fixed to blade springs and the permanent magnets 11, 12 as well as the parts 6, 7 are adjustable along grooves. When adjusting, thin shims are placed between the armature 10 and the poles which are then slid along till they engage the shims, after which they are clamped in position and the shims removed. In modifications, Figs. 6 and 7 (not shown), the armature has a diamond or triangular cross-section and the magnet poles converge towards the armature. Specifications 315,496, [Class 40 (iv)], and 484,472, [Group XXXVII], are referred to.
Patent GB-950754-A (GB)
Title: Improvements in or relating to a derivative of nitrofuran
IPC: C07D253/075
Filed: 1961-02-16
Abstract: The invention comprises:  (a) 5-(2-furyl) -4-azauracil; (b) 5-(5-nitro -2- furyl) -4- azauracil; and (c) the preparation of compound (b) by heating 2-furoylformic acid semicarbazone with an alkaline ring-closure agent in an inert solvent to form compound (a) and subjecting this to the action of a nitrating mixture including nitric acid.  2-Furoylformic acid semicarbazone is prepared by hydrolysing 2-furoyl cyanide and condensing the resulting crude 2-furoylformic acid with semicarbazide hydrochloride.  Pharmaceutical preparations.  Compound (b) has antimicrobial properties, and may be administered orally, e.g. in tablets, suspensions, lozenges or capsules.
Patent GB-1019081-A (GB)
Title: Improvements in or relating to a container cleaning assembly in an extrusion press
IPC: B21C35/04
Filed: 1961-02-16
Abstract: 1,019,081. Extruding. FIELDING & PLATT Ltd., D. V. ROWLES and E. J. AVERILL. May 3, 1962 [Feb. 16, 1961], No. 5821/61. Heading B3P. An hydraulic extrusion press has a container cleaning unit 1 adapted to be positioned between and in alignment with the container 20 and press stem 22. The unit is mounted on hollow arms 2 adapted to swivel about pins 4 on the press crosshead 3. It comprises a thrust sleeve 9 housing high-speed rotary cutters 6 pivoted to a head 19 and driven by an air motor 7 movable axially by a piston 8. For cleaning the container bore including removing any glass lubricant or metal scale, the container 20 is moved over the thrust sleeve 9 and air is supplied through connection 14, hollow arm 2, telescopic connections 10, 11 and bores 18 to the rear of piston 8 which moves forwardly to push the cutters 6 out of the sleeve. When piston 8 uncovers spigot 24 air is fed to motor 7 which rotates the cutters and flings them outwardly by centrifugal force against the container bore. A stem 23 subsequently contacts the discard whereby the piston 8 is pushed over its spigot 24 thereby stopping the cutters. The thrust sleeve finally pushes the discard from the container.
Patent GB-608527-A (GB)
Title: Improvements in or relating to means for loading ships from jetties and the like
IPC: B65G67/00
Filed: 1946-02-25
Abstract: 608,527. Mooring ships. HAMILTON'S LILYFLEX SURFACES, Ltd., and HAMILTON, R. M. Feb. 25, 1946, Nos. 5887 and 25870. [Class 113 (i)] [Also in Groups XXV and XXX] A wharf built-up of interfitting hexagonal floating units a, as described in Specification 584,132 and used for supporting a boom for loading ships (see Group XXX) is moored to the sea bottom by chains 111, which are brought up through openings formed at each end of the wharf by removing one of the units. Each chain is provided with a shackle 115, which is connected to mooring elements 123 attached to hinges 120, 121, 122 on adjacent units, by levers 116, 117 secured together by a pin-and-slot device 119.
Patent GB-847806-A (GB)
Title: Alpha-cyanoethyl polysiloxanes and their production
IPC: C08G77/00
Filed: 1956-12-21
Abstract: The invention comprises alpha-cyanoethyl polysiloxanes of the unit formula :  <FORM:0847806/IV(a)/1> prepared by hydrolysis of the silanes described in Specification 847,801.  R is hydrogen, alkyl, cycloalkyl, aryl or alkaryl, m is 1, 2 or 3, n is 0, 1 or 2 and m+n is 1, 2 or 3.  The polymers include disiloxanes, cyclics, e.g. the trimer, tetramer, pentamer and hexamer, linear, and cross-linked siloxanes.  They may be used in coatings on metals and in lubricating oils.  The example describes the hydrolysis of alphacyanoethyltrichlorosilane.
Patent GB-419499-A (GB)
Title: Process for utilising the heat of furnace gases from pyrites burners
IPC: C22B7/02
Filed: 1934-02-22
Abstract: Hot gases from pyrites burners, in which the reaction is so conducted that the gases leave at temperature substantially above 600 DEG  C., e.g. from 800 to 1000 DEG  C., are cooled to a temperature not substantially below 450 DEG  C. by indirect heat interchange with raw phosphates or superphosphates, which are thereby rendered more suitable for subsequent processes.  Gases of the required temperature may be generated by burning powdered or easily combustible ores, or mixed ore and fuel.
Patent GB-398734-A (GB)
Title: Improved process and apparatus for producing flash light
IPC: F21K5/08
Filed: 1933-02-27
Abstract: 398,734. Flash-light lamps. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. Feb. 27, 1933, Nos. 5905 and 5906. Convention dates, Feb. 27, 1932 and Jan. 17, 1933. [Class 75 (i).] A flash-light lamp comprises a bulb 1 of glass, cellulose acetate, regenerated cellulose or other non-combustible material which contains loose magnesium foil having a thickness not exceeding 0À01 mm. or mag. nesium wire having a diameter not exceeding 0À1 mm. and communicates with the atmosphere through an opening 2 covered with a wire net or tissue 3. An electric or mechanical ignition device 5 projects into the bulb through the opening 2. In the form shown the ignition device carries the wire net 3 and is provided with attachment means 7. When the magnesium is in the form of wire the wire may form part of the circuit of an electric ignition device. For the purpose of transport the bulb may be closed by a rubber or cork stopper which is removed when the ignition device is put in place. In order to assist combustion oxygenevolving substances such as collodion foils may be inserted in the bulb or the bulb may be filled with oyxgen some of which will remain occluded on the surface of the foil when the ignition device is applied. Foils of thicknesses of 0À001 mm. or less may be obtained by rolling magnesium to a thickness of 0À02 mm. and then beating it between leather or paper forms in the manner known for the preparation of silver and gold foils.