baber/WOPTO huggingface dataset:
Patent GB-189601-A (GB)
Title: Improvements in rotary duplicating machines
IPC: B41L13/18
Filed: 1921-10-14
Abstract: 189,601. Green, C. F. Oct. 14, 1921. Inking -apparatus.- In a rotary duplicating- machine wherein a stencil is supported on a perforated cylinder 1, ink is supplied to the interior surface of the cylinder from an ink container 11 which carries a ductor roll 14 and springs 16 acting as scrapers on the ends of the ductor roller, the container being pivotally mounted upon a bar 13 carried by arms 6 secured to the fixed shaft 2. The forward end of the ink container rests upon a movable arm 19, and hand operated means are provided for lifting the arm 19 so as to raise the ink container so that its ductor roller 14 contacts with and is rotated by an inking roller 7. The printing cylinder 1 is rotatably mounted on the fixed shaft 2 and has secured to its inner side walls cam surfaces 3, 3<a>. These contact with rollers 4 carried by spring-controlled levers 5 pivoted at 13 and carrying the inking roller 7, so that the inking roller is brought into contact with the part of the cylinder supporting the stencil during each revolution of the cylinder. The central shaft is bored out to receive a spindle 17. one end of which is attached to the arm 19 passing through a slot 20 in the shaft 2. The other end of the shaft 2 passes out through the end of the cylinder and is provided with an operating handle 18 adapted when depressed to lift the container to ink the roller 7. The spring scrapers 16 only act.on the ductor roller 14 when the cylinder rotates in the direction of the arrow, ink being supplied along the whole length of the rollers and cylinder when the direction of rotation is reversed. Ink may be supplied where necessary by depressing the handle 18 and reciprocating the cylinder backwards and forwards over the inking roller.
Patent GB-397687-A (GB)
Title: Improvements in and relating to switch adapters, particularly for lamps having two filaments
IPC: H01R33/955
Filed: 1932-10-03
Abstract: 397,687. Holders for multiple-filament electric lamps. CONTI, J. T. F., 52, Rue de Clichy, Paris. Oct. 3, 1932, No. 27413. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 4, 1932]. [Class 39 (ii).] In a switch adapter for a two-filament lamp a plug 1, Fig. 1, of insulating-material, is coupled to a connect. ing sleeve 9 provided with blade contacts 29 for engaging the con. tacts of the lamp cap, the sleeve being arranged for angular movement relatively to the plug to determine the circuit connections, and axial movement for ensuring contact between the blade contacts 9 and the contacts 7, 8 of the plug. In the example the plug 1 is adapted for a bayonet-joint connection, and has contact faces 3, 4 respectively connected to metal cups 5, 6 containing metal balls 7, 8 which turn freely therein. The lower end of the plug 1 is provided with a notched collar 2, Fig. 4, which is surrounded by the rim of the insulating sleeve 9. A metal tube 10 within the sleeve 9 is provided at its upper edge with teeth 11, Fig. 6, which correspond in number with the notches of the collar 2 and are adapted to engage therewith to form a temporary connection when either the sleeve 9 or a bayonet-jointed lamp inserted therein is pushed upwardly, as in inserting or removing the plug 1 from a socket. The balls 7, 8 bear selectively upon three blade contacts 16, 17, 18, Fig. 10, mounted on the upper face of an insulating washer 15 within the tube 10, the underside of the blade contacts being formed with seatings carrying conical blade springs 29. A groove 14 in the insulating washer 15 receives a pin 13 which passes through the tube 10 and sleeve 9 and secures them together. The contact blades 16, 17, 18 are provided with diametrically opposite grooves a, a<1> .. e, e<1>, Fig. 10, which snap into engagement with the balls 7, 8 when the sleeve 9 is rotated relatively to the plug 1, thereby providing for the extinguishing of both filaments, illumination of either, and illumination of both together, either in parallel or series. To ensure that an inserted threecontact lamp is positioned correctly in the socket 10 the lamp cap is provided with two bayonet pins of different sizes to engage corresponding slots in the socket 10 and sleeve 9. The plug 1 may be modified for insertion within a screw-threaded lamp socket.
Patent GB-816144-A (GB)
Title: Improvements in or relating to logarithmic current amplifying circuits
Inventor: WILSON IAN
IPC: G06G7/24
Filed: 1955-09-27
Abstract: 816,144. Voltmeters; logarithmic amplifiers. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Sept. 27, 1956 [Sept. 27, 1955], No. 27468/55. Class 37. [Also in Group XL (c)] The potential of the input terminal of a logarithmic current amplifier is maintained constant despite variations in the input current, by utilizing a D.C. amplifier to provide negative feedback. The invention may be applied to a voltmeter for measuring the logarithm of a direct voltage, as shown in Fig. 2, in which the logarithmic current amplifier AMP (described in Specification 748,415) comprises input terminals A and B. The voltmeter input comprises terminals 1 and 2, terminal 1 being connected via resistor R to terminal A and terminal 2 being earthed. The potential of terminal A is applied also to the input of a D.C. amplifier VG, the output of which is in opposite sense and is applied to terminal B so that A remains at substantially earth potential. Motor M indicates the logarithm of the input voltage. Fig. 3 shows the corresponding circuit in which the input is fed to electrometer valve V1, the output of which is applied via a D.C. amplifier comprising valves V3, V4 and V5, to the screen of valve V1 so as to stabilize its anode current. This feedback voltage also constitutes the output and is fed to meter M. In order to stabilize the potential of terminal A, negative feedback is applied by means of a synchronous converter or chopper type D.C. amplifier VG from which an output corresponding to the potential of A is applied via valve V2 to the cathode B of valve V1. Negative feedback to this cathode is also provided by applying the output of valve V5 via voltage dropper V6 to the screen of valve V2, the arrangement being such that if the grid of valve V1 tends to rise, the cathode of V1 tends to fall by a similar amount. The first negative feedback arrangement corrects for long-term drift while the second corrects for short-term variations.
Patent GB-519675-A (GB)
Title: Improvements in, or relating to, furnaces
IPC: C21D1/767
Filed: 1938-09-21
Abstract: 519,675. Continuous-furnaces. BIRMINGHAM ELECTRIC FURNACES, Ltd., and LOBLEY, A. G. Sept. 21, 1938, No. 27495. [Class 51 (ii)] In a furnace in which a charge is passed continuously through a heating or cooling chamber air or gas currents are caused to flow by forced circulation in opposite direction through different portions of the heating or cooling chamber so as to produce a pressure substantially atmospheric at each end thereof. Fig. 1 shows a heating chamber a of a continuous electric furnace with a fan e at the centre drawing gases through ports e<2> at each end of the furnace and through passages h having electric or other heating means for the gases and discharging them at the centre through a port f. Dampers k control the gases. Fig. 2 shows a cooling chamber b. The fan e<1> drives gases from the ends of the chamber through ports f<2> and passages having cooling tubes and delivers them at the centre of the chamber b through a port f<1>. Instead of one fan being used at the centre a fan may be placed at each end of the heating or cooling chamber.
Patent GB-483058-A (GB)
Title: An attachment for a printing unit, feeding from a reel, for the accurate printing, slitting and cutting or perforating of tabulating cards and the like
IPC: G06K19/02
Filed: 1936-10-10
Abstract: 483,058. Printing-machines. MILLER, F. F. Oct. 10, 1936, No. 27549. Convention date, Oct. 11, 1935. [Class 100 (i)] Feeding and registering webs; cutting and perforating apparatus.-An attachment for a printing-press to enable a printed web to be slit longitudinally and cut or perforated transversely to form tabulating cards or connected stationery forms comprises a carriage 15 provided with spring-closed web-feeding gripper fingers 1, reciprocated on guides 16 by link mechanism from the printing-machine, such mechanism including a link 3 connected to the carriage 15 by an adjustable slot-and-pin connection 32 which provides a lost-motion device allowing time for the actuation of the grippers at the ends of the strokes of the carriage. Adjustable stops 12, 13A on the carriage co-operate with abutments 14, 14A, on the frame to prevent overthrow of the carriage due to the lost-motion device 32. A set of spring-closed gripper fingers 27 mounted on the frame hold the web during the non- feeding stroke of the carriage 15. The web is guided laterally from the printing-machine by a flanged roller 33 and passes from the grippers to guiding-rollers 12, 12A, and longitudinal slitting-rollers 11, 11A. These rollers are driven in unison by a gear wheel 10 driven by ratchet-and-pawl mechanism from a rack 7 actuated from the printing-machine. The web passes from the rollers 11, 11A to a crosscutting or perforating knife. U.S.A. Specification 2,020,124 is referred to.
Patent GB-463957-A (GB)
Title: Instructional device for aircraft pilots
IPC: G09B9/12
Filed: 1935-10-05
Abstract: 463,957. Training devices for aeroplanes pilots. KRONFELD, R. Oct. 5, 1935, No. 27573. [Class 4] A device for the training of aeroplane pilots and which is adapted to be propelled over the ground but is or may be rendered incapable of sustained flight comprises a pilot's seat and a control system adapted so to displace it about various axes during motion as to simulate the control system of a normal fixed wing aircraft and means preferably of an elastic nature for temporarily constraining or restricting its displacement about one or more axes. In one form the machine comprises a keel or boom 1 carrying a conventional tail unit at its rear end, a seat and control gear for the pupil at its forward end, and, intermediately, a framework constituted by welded tubes 8 supporting a cantilever wing 9, and an engine 10 driving a propeller 11. Wing 9 is of aerofoil form at its outer ends only, either by reason of removal of part of the ribs and covering or by design. The undercarriage comprises wheels 15 rotatable about a common transverse axle 16 disposed in a vertical plane passing through or slightly in front of the centre of gravity of the machine, axle 16 being carried by a pyramidal structure 17 pivoted about a central longitudinal tube 18. A tail wheel 6 is carried by the rudder and wheels or skids 19 are mounted at the wing tips and the nose. Rocking of the machine about axis 18 may be restrained if desired and to any desired extent by the provision of adjustable tension members 20, Fig. 1. When provision is made for the accommodation of two persons the upper ends of struts 18 may be secured to a triangular frame surrounding the passenger's seat which is placed at the centre of gravity, the frame being attached to the structure by separate front and rear pivots. Alternatively, a threewheel undercarriage may be provided, pivoted to the structure about both longitudinal and fore-and-aft axes. In a modification, a fixed undercarriage is provided having two wheels of which the track may be varied to alter the lateral controllability.
Patent GB-306164-A (GB)
Title: Producing gramophone records from wireless electrical impulses
IPC: H04R11/08
Filed: 1927-10-18
Abstract: 306,164. Wilson, J. Oct. 18, 1927. Phonographic recorders. - Sounds transmitted by wireless are recorded on a wax disc by an electromagnetic recording device connected with the output terminals of the wireless receiver and mounted on the tonearm of a gramophone whereby the sounds recorded are simultaneously reproduced in the horn. The device comprises a casing enclosing an armature diaphragm b influenced by coils a. on the side away from the outlet to the tone-arm. A stylus bar c is fixed to the diaphragm on the same side as the coils and extends between metal buffers d constituting a fulcrum.
Patent GB-875299-A (GB)
Title: Devices for swivelling the objective of panoramic cameras
Inventor: KOUBEK FRANTISEK
IPC: G03B37/02
Filed: 1959-08-13
Abstract: 875,299. Panoramic cameras. MEOPTA PREROV NARODNI PODNIK. Aug. 13, 1959, No. 27653/59. Class 98(1) A panoramic camera for taking pictures on a fixed film has a device for swivelling the objective, said device comprising a rotatable objective cylinder of which a cavity in the front is designed as a lens hood and a rear cavity contains a shutter, the objective cylinder being rotatable by means of flexible tapes fastened to the cylinder and wound upon spring-influenced rollers. A panoramic camera comprises an objective 7, 8 and a shutter 10 comprising two sectors arranged in a rotatable cylinder 1, and means for rotating the cylinder and operating the shutter. The cylinder 1 is rotated anti-clockwise by a knob (not shown) which causes a spring in a spool 17 to be wound up and a lever 93 pivoted on a pin 92 on the cylinder to move with part 93a moving along a path 106. During this movement the shutter sectors are shut. A shot is taken by rotating a release 82, as shown, which through a rod 84 causes a latch 88 to release a tooth on the cylinder which is then rotated by tapes 13, 14 which are driven by springs in spools 16, 17; a lever 95 is also rotated and causes a segment 98 to rotate the stop 102 which in turn rotates lever 93 so that the end 93 moves stop 71 on the shutter to open it and end 93a is caused to move along a path 105 so that the shutter remains open while the cylinder rotates. A system of fans is used to control the speed of the cylinder's rotation. The shutter (Fig. 4) comprises two sectors (dotted lines), an aperture 65 in a plate 64 and two cams 78 in which move pins 68, 74 fastened to the sectors. The movement of the pins is controlled by levers 72, 67 which in turn are operated by means of the stop 71 on lever 67.
Patent GB-1108603-A (GB)
Title: Improvements in or relating to vehicles for handling granular materials
IPC: A01D90/10
Filed: 1964-07-06
Abstract: 1,108,603. Discharging vehicles; conveyers. N. FINCH. 6 July, 1965 [6 July, 1964], No. 27702/64. Headings B8A and B8E] A vehicle for handling granular material comprises a body 5, Fig. 1, for containing the material, and a floor conveyer 10 for moving the material towards transverse conveying means 23 which delivers the material to a blower 25 for discharging the material. The vehicle comprises a trailer having a frame 1 on which the body 5 is mounted and which has a tow-bar 3, Fig. 3, for connection to an agricultural tractor. The conveyer 10 comprises a pair of endless chains 11 interconnected by slats 9, and some of the latter carry rubber strips 9<SP>1</SP> for wiping a fixed floor 16. A ratchet- and-pawl mechanism (18, 17), Fig. 4 (not shown), is provided to drive the conveyer 10, the pawl (17) being mounted on a spring-loaded arm (19) which is reciprocated by a cam (22). The conveying means 23 is a screw conveyer comprising a shaft 26 on which are mounted two opposed helical vanes 27, 28, the latter feeding the material towards their opposed ends and so to the blower 25. A drive input shaft 31, which is arranged to be connected to a power-take-off shaft of the tractor, drives the blower 25 through a belt drive 32, and the shaft 26 through a chain drive 34 and a gear-box 35. The cam (22) is driven from the shaft 26 through a chain drive (36). A fairing 38, 39 extends over the screw conveyer 23 and provides a slit throat 40 which prevents material being blown back into the body 5 and meters the quantity of material passing to the conveyer 23 so that the latter is not overloaded. The corners (42), Fig. 2 (not shown), of the fairing are cut away to prevent material being trapped and carried rearwardly by the chains 11. A sloping panel 44 is secured to a rear wall 7 of the body 5 to prevent spillage of material from the latter. A vertically adjustable gate 45 is provided above the delivery end of the conveyer 10. The vehicle may be used for handling cut forage crops and may incorporate a device for breaking up the forage before it is delivered to the screw conveyer 23, as described in Specification 937,382. The screwconveyer 23 may be replaced by a trough so formed as to deliver material to the blower 25.
Patent GB-795183-A (GB)
Title: Process for preparation of aryl-sulfonyl ureas
Filed: 1956-09-11
Abstract: Substituted sulphonamides of the general formula ArSO2NHCONHR, wherein Ar represents a phenyl or an alkylphenyl radical and R represents an alkyl radical, are prepared by reacting an alkyl carbamyl chloride with the required aryl sulphonamide in the presence of an organic tertiary base, e.g. an aliphatic tertiary amine, dialkyl aniline or a heterocyclic tertiary base such as pyridine or quinoline.  In the examples, N-benzenesulphonyl-N1-isopropyl urea and N-benzenesulphonyl-N1-ethyl urea are prepared.
Patent GB-1357882-A (GB)
Title: Yarn knotting attachment
IPC: B65H69/00
Filed: 1970-06-09
Abstract: 1357882 Knotting attachment DUNLOP HOLDINGS Ltd 4 June 1971 [9 June 1970] 27769/70 Heading D1C A yarn knotting attachment comprises a frame 13, for mounting on yarn transfer equipment, carrying a supporting member 17 to support. yarns associated with a take up member or members and a support bar 21 to support yarn associated with a supply member or members and a knotting device slidable on the bar so that it can be used to knot successive pairs of yarns taken from member 17 and bar 21. In a doubling machine, yarns from beam 10 are twisted as they are wound on to bobbins (not shown). The yarns pass to the bobbins via eyes 11 and driven rollers (not shown). Cylindrical knotting bars 21 each carrying a knotting device 22 e.g. as described in Specification 1353608 have square section ends 19 which are received in sockets 20 in side members 14 of a frame which are bolted to the main doubling machine frame. Transverse members 17 are secured rigidly by links 18 to members 14. Sockets 25 on the maohine frame can receive alignment rods 23 for use when the knotters are used during beam changing.
Patent GB-220513-A (GB)
Title: Improvements in or relating to the spindles of spinning, doubling and twisting machines
IPC: D01H7/04
Filed: 1923-11-05
Abstract: 220,513. Keyser, J. J. Nov. 5, 1923. Adjusting for position.-the bearings 11 of the spindledriving shaft 12 of a spinning machine are adjustably supported on screws 13, located in blind holes 16 to obviate the risk of leakage of oil, and are held in position thereon by the lubricator 15. The upper bearing 5 is provided with a spring 19 and is closed by a cover screwed on to a bush 7.
Patent GB-433352-A (GB)
Title: Improvements relating to pipes or ducts for drainage and like purposes
IPC: F16L9/18
Filed: 1934-09-28
Abstract: 433,352. Drainage ducts. CASHMORE, G. H. W., 44, Streathbourne Road, Balham, London. Sept. 28, 1934, No. 27823. [Class 99 (ii)] A drainage &c. duct 1 is provided with one or more longitudinal partitions for dividing the duct into a plurality of compartments 2, 3 for the conveyance of different kinds of water &c., and has part of its rear wall removed to permit one or more of said compartments to receive existing or separate pipes 9.
Patent GB-445193-A (GB)
Title: Improvements in the treatment of artificial textile materials
IPC: D06M13/415
Filed: 1934-09-28
Abstract: A scroop effect is produced on natural or artificial silk fabrics by depositing thereon a salt of acid reaction containing an alkali metal, a metal forming an amphoteric oxide such as titanium, tungsten, molybdenum, aluminium or tin, and a polybasic organic acid radicle; or alternatively an imide of a polybasic organic acid; or alternatively a bicarbonate of an alkali metal. Particular scrooping agents mentioned are potassium titanium oxalate, phthalimide and sodium and potassium bicarbonates.  The scrooping agent is applied by immersing the fabric in or by passage through a solution of the agent, removing excess liquid so that the materials retain an amount of solution equal to one half or twice their weight, followed by drying.  Fabrics dyed with amino-anthraquinone dyestuffs show an improved permanence when scrooped with the above agents. Specification 332,187, [Class 2 (ii)], is referred to.  The Provisional Specification refers to the use of acid salts, particularly alkali or alkaline earth salts, of polybasic acids, particularly polybasic aliphatic acids.
Patent GB-808949-A (GB)
Title: Improvements in or relating to heat exchangers, particularly refrigerator evaporators, and a method of making heat exchangers
IPC: B21D53/04
Filed: 1957-09-04
Abstract: 808,949. Making refrigerator evaporators. GENERAL MOTORS CORPORATION. Sept. 4, 1957 [Sept. 26, 1956], No. 27906/57. Classes 83 (2) and 83 (4). [Also in Group XIII] A method of making a heat exchanger comprises joining two superposed plates to form fluid channels, and bending an unjoined edge part of a plate to form an integral trough for collecting liquid deposited on the external surface of the heat exchanger. Stop weld material is applied to a plate 56 in a pattern 58 and along one edge 60, a second plate 62 is superposed, and the two plates are roll-bonded together. The unwelded edge part 60 is separated by a wedge tool 64, Fig. 4, to form parts 66, 68 bent thereby against rods 70, 72. The rod 70 is then removed and the compound plate pivoted around the rod 72 to form a trough 82. The rod 72 is removed, the rod 70 replaced and the plate pivoted therearound to form a trough 80. The pattern 58 is then expanded between flat dies by hydraulic pressure to form refrigerant passages 59. A spout 50, Fig. 7, is hooked over the troughs 80, 82 at one end thereof. In an alternative embodiment, stop weld material 160, Fig. 9, is applied in a narrow strip adjacent, but not extending to, the edge of a plate 156, another plate is roll-bonded thereon and the strip 160 and a pattern 158 are expanded to form a tube 148 and refrigerant passages 159. The lower welded edge of the tube 148 is then severed by forcing the plate over a knife 149 and the opened tube forced over a wedge 164, Fig. 13, on to which the sides of the tube are pressed by elements 165. The troughs are then bent up using the rods 70, 72. Specification 759,804 is referred to.
Patent GB-196867-A (GB)
Title: Improvements in or relating to apparatus for use in the manufacture of rubber goods and the method of handling such goods during manufacture
IPC: B29D30/06
Filed: 1922-01-27
Abstract: 196,867. Sloper, T. Jan. 27, 1922. Addition to 169,525. Tyre covers, stripping from cores.-In apparatus for manipulating endless rubber tyre bands, wherein an annular co-operating member U, Fig. 1, with flexible lips H forms with the tyre C a space which is exhausted to withdraw the tyre from the former A, as described in the parent Specification, the co-operating member is divided circumferentially into two parts which are either adjustable towards and away from each other for varying the effective width of the member, or are entirely separable for giving access to the tyre band. The two parts are maintained in axial relation to one another by guides. Fig. 1 shows apparatus for transferring a tyre band C from a former A to a mould B. The movable part G<2> of the co-operating member slides on two rods L away from the part G<1>. A rubber ring J provides an air-tight joint between the two parts. Fig. 5 shows a modification in which the parts G<5>, G<6> are held slightly apart by spring-controlled plungers, the sealing ring Q being formed so as to maintain an air-tight joint. When the apparatus is exhausted the two parts are drawn together. Fig. 6 illustrates a form of apparatus in which the parts G<5>, G<6> are not completely separable, but may be adjusted towards and away from each other by means of screws R. In all forms of the apparatus engaging means 0 of the kind described in Specification 196,398 may be fitted to prevent lateral displacement of the tyre band.