baber/WOPTO huggingface dataset:
Patent GB-629426-A (GB)
Title: Improvements in the manufacture of glass
IPC: C03C3/32
Filed: 1947-08-09
Abstract: 629,426. Glass manufacture. KODAK, Ltd., Aug. 9, 1947, No. 22182. Convention date, April 6, 1946. Addition to 606,509. [Class 56] In the optical glass according to claim 2 of the parent Specification (containing at least 60 per cent W. fluorides including BeF 2  12-50 per cent W., aluminium fluoride, one or more insoluble divalent metal fluorides, and alkali metal fluoride 0-25 per cent W.) there is included a PbF 2  content of more than 30 per cent W. but not more than 75 per cent W., the limits then being modified in that either the BeF 2  content range is 3-20 per cent W., or the glass consists solely of BeF 2 , PbF 2 , AlF 3  and MgF 2 . The following is one of four examples given, the preferred ranges being indicated in brackets: BeF 2  3.1; PbF 2  73.8 (50-75 or 70-75); AlF 3  16.8 (10-20); MgF, 6.3 (2-15). Small amounts of other fluorides may be added according to the first modification, e.g. of Ca, Sr, Ba, La, Ce or Th. The n D  value is over 1.4. The dry powdered materials, including about 10 per cent of NH 4 F or NH 4  HF 2 , are melted in a covered platinum crucible at 850-900C., the PbF 2  being added only after the other ingredients have fused whereby attack of the platinum by free metallic lead is avoided.
Patent GB-204838-A (GB)
Title: Improvements in an ejector mechanism for a paper cup dispenser
IPC: G07F13/10
Filed: 1922-08-17
Abstract: 204,838. Rogers, F. H., (Vortex Mfg. Co.). Aug. 17, 1922. Specially-shaped boxes; contents, delivering and viewing. - Sector-shaped folded cups are ejected singly through the open bottom of a similarly-shaped container by moving the lowest cup horizontally to a position in which it is not supported by inturned flanges at the lower edges of the radial sides of the container. The ejector 21 comprises a leaf spring secured to the front of the container, a horizontal portion 22, Fig. 3, engaging the small end of the folded cups and a tongue 26 secured to the portion 22 to support the delivered cup. The cup is guided in its movement by flanges 28 bent out from the bottom of the cylindrical rear face 10. Windows 14 are provided in the radial sides 11 of the container.
Patent GB-149632-A (GB)
Title: Improvements in a process for protecting against electrolytic destruction certain parts of apparatus which contain several liquidspaces
IPC: C23F13/02
Filed: 1920-07-28
Abstract: 149,632. Wurstemberger, F. von. Aug. 2, 1919, [Convention date]. Corrosion, preventing.-Corrosion caused by .electrolytic action in a surface condenser or like apparatus having two liquid spaces is prevented by so short-circuiting the currents generated in each space as to prevent them from straying into and completing a circuit through the other space. The brass tube-plate 25 is placed in good electric contact with the iron shell 24 and cover 26 by a strip 23. The supporting-plate 6 is made of brass, and a removable ring 22 adapted to receive the attacks by the electrolytic currents is fitted at the joint between the plate and the shell.
Patent GB-439851-A (GB)
Title: Improvements in or relating to electrode structures for electron discharge devices
IPC: H01J19/28
Filed: 1935-08-09
Abstract: 439,851. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd., 63, Aldwych, London.-(Assignees of Clark, J. E. ; 35, 21st Avenue, Long Island, and Ronci, V. L.; 4009, Foster Avenue, Brooklyn, both in New York, U.S.A.) Aug. 9, 1935, No. 22522. Convention date, Nov. 1, 1934. [Class 39 (i)] A support for an anode comprises upright members converging towards and having portions extending into a flange on the anode. In the form shown, the anode is a cylinder 43, of elliptical cross-section, having flanges 45, and machined from a graphite block.' Arms 33, 34, 35, 36 extending from a gauzelined clamp 37 on the stem 11 converge towards each other in pairs and have ends 39, 40, 41, 42 bent so as to engage resiliently and frictionally in apertures 48 in the flanges 44. Longitudinal rods 46, welded to cross-bars 49, 50 pass through holes in the flanges 44, and these holes are made wider than the rods for a portion of their length to allow slight bending of the rods due to shock. The rods 46 pass through holes in cross-shaped insulators which are spaced from the anode by insulating bushings on the rods and which carry the springs and hooks for the filament and the grid posts. The lower insulator is independently supported from the pinch on the leads 15, 16, 17. The grid lead 15 is shielded from the filament leads 16, 17 in the stem by a surrounding glass tube. The anode lead is connected to the post 34. The clamp 37 is made narrow and is placed at the lower end of the stem so as to minimize high-frequency heating of it during outgassing.
Patent GB-149637-A (GB)
Title: Improvements in and connected with the starting of internal combustion engines
IPC: F02N19/08
Filed: 1920-07-29
Abstract: 149,637. Good Inventions Co., (Assignees of Good, J.). July 29, 1919, [Convention date]. Turning-gear.-An engine is started on a mixture con taining hot products of combustion, supplied by a carburettor in which partial combustion of the mixture is effected at starting by means of a sparking-device, between the spraying-nozzle and the throttle valve. The supply of current to the sparking-device is effected by a switch 6 closed by means of a plunger 3, which also closes a switch 2 for supplying current to an electric starting-motor. The switch 6 is connected to an extra contact 4 on the ignition distributor 5, and the switch 2 to a battery supplying the starting-motor. In a modificaion, a connexion is provided between the plunger 3 and the sparking-device which withdraws the device into the wall of the carburettor when the plunger is released.
Patent GB-868702-A (GB)
Title: Improvements relating to means for controlling and regulating the working conditionsof implements, of the plough type, coupled to tractors
IPC: A01B63/111
Filed: 1957-07-16
Abstract: 868,702. Fluid-pressure servomotor-control systems. SOC. D'ETUDES ET DE RECHERCHES TECHNIQUES. July 16, 1957 [July 17, 1956], No. 22562/57. Class 135. [Also in Group XXXI] A fluid-pressure servomotor for a tractor power-lift mechanism (see Group XXXI) includes a spring-loaded valve 20 which is opened by the increase in pressure of the supply from a pump 32 when a conduit 18 is closed by leftward movement of a distributer 21 and is opened by the distributer itself when the latter is moved to the right. The distributer is set manually by a lever 28 and is restored to its original position by a lever 23 coupled to the lift arms 14 of the tractor.
Patent GB-1467846-A (GB)
Title: Electronically controlled fuel injection systems for internal combustion engines
IPC: F02D41/04
Filed: 1974-05-21
Abstract: 1467846 Measuring speed IC engine electrically VOLKSWAGENWERK AG 21 May 1974 [1 June 1973] 22565/74 Heading G1N [Also in Divisions G3 and H3]  In order to suppress or reduce the effect of short term variations in the intervals between pulses a of an engine-speed dependent pulse train, which variations may be due to uneven roadways or stray electrical signals in the engine ignition system, the pulses a are fed to a shaper to provide a pulse train b which is fed to a signal processor 2. This processor includes a frequency divider, say 2:1, which produces a train of pulses c in which the intervals correspond to the mean values of the intervals for each pair of successive pulses in the train b. The half-frequency pulse-train c is applied to repeatedly charge and discharge an integrator 4 to produce output signal d. This passes to frequency doubler 5 which inverts those portions of signal d shown in chain line so the doubler output follows curve e of which the frequency corresponds again to that of pulse trains a and b. When the level of e exceeds a given trigger voltage U, the threshold circuit 6 produces an output signal of given voltage thereby generating pulse train f. The train f is inverted in a switch 7 to produce an output g for application to the regulator of an electronic fuel injection system for the I.C. engine.
Patent GB-1048064-A (GB)
Title: Improvements in or relating to frequency modulated or shifted telegraph and like receivers
IPC: H04L27/14
Filed: 1965-05-27
Abstract: 1,048,064. Telegraphy. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. May 27, 1965 [May 29, 1964], No. 22575/65. Heading H4P. A receiver for frequency shift telegraph signals comprises an oscillator providing a signal of frequency equal to the mean of the shift frequencies, which signal is fed to two mixers, one via a 90 degrees phase shifter. The received telegraph signals pass to the mixers, the mixer outputs having a relative phase of Œ90 degrees dependent upon the frequency received. From these outputs is derived the D.C. telegraph signal. In a first embodiment, the mixer outputs pass to phase shifters which produce signals having a relative phase of 0 degrees or 180 degrees which pass to a phase detector to provide double current signals. In a second embodiment the mixers feed a gating and delay arrangement which provides pulses to operate a toggle giving the double current signals.
Patent GB-517482-A (GB)
Title: Improvements in or relating to electron discharge devices for television and like systems
IPC: H01J31/28
Filed: 1938-07-29
Abstract: 517,482. Cathode-ray tubes. BAIHD TELEVISION, Ltd., and JONES, V. A. July 29, 1938, No. 22622. [Class 39 (i)] The light sensitive mosaic 2 is scanned by a beam from a gun 3 and is also flooded with electrons from a secondary emitting electrode 4 which i itself scanned by a bean from a gun 5. The electrode may be a transparent coating on the envelope and i may be of mosaic form it may be made as a grid, the gun 5 being then on the side of the electrode 4 remote from the mosaic 2.
Patent GB-1146097-A (GB)
Title: Improvements in or relating to a cap for containers
IPC: B65D47/36
Filed: 1967-05-16
Abstract: 1,146,097. Container closures. F. BARBATO, G. TOGNOLI and A. CAMPO, [trading as TRENTOPLAST O.V.I.]. 16 May, 1967 [18  May, 1966], No. 22711/67. Heading B8T. A cap 5 made of thermoplastic material comprises a skirt portion 3, the lower rim 4 of which is sealed to the neck of a container 6 by an ultrasonic, heat-sealing or electron beam welding process. An annular rib 2, preferably of U-shaped construction, is formed from the material of the cap so as to define two angles 20, 20a in the cap, and a tab 1, integral with the rib 2, is provided for tearing the cap along the lines of the angles 20, 20a. In a modification, Fig. 3 (not shown), the cap (5) is threaded on to the neck of the container, and the annular rib (2) is situated between the threaded part (5a) and the sealed part (4) so that the closure may be used as an ordinary screw-cap after tearing.
Patent GB-1262911-A (GB)
Title: Method and apparatus for automatically manufacturing frames
Inventor: NISSEN RICHARD BENT
IPC: B27M3/00
Filed: 1969-05-05
Abstract: 1,262,911. Making wooden frames. R. B. NISSEN. 5 May, 1969 [3 May; 1968 (2)], No. 22717/69. Heading B5L. A method of making a wooden frame from components 15<SP>1</SP>, Fig. 1, having mitred ends comprises delivering the components to clamping means 16, holding the components by the means 16 in a first position in a horizontal plane with adjacent ends of adjacent components in spaced relation, forming fingers in the end of each component with the fingers in one end of each component vertically offset relative to the fingers in the adjacent end of an adjacent component, applying glue to the finger-formed ends, relatively moving the components in said plane by the means 16 to a second position in which the fingers at adjacent ends of adjacent components are interengaged, and releasing the components from the clamping means. In one machine for carrying out the method, shaped frame components 151, Fig. 5, are fed from a magazine 35, 36 and clamped between upper and lower claws 26, 24 respectively of clamping means 16, Fig. 1. The clamping means are mounted in pairs on units 1-4 which are adjustably mounted on tables 5-8 respectively. Each unit carries two clamping means 16 at right angles, and a cutter assembly; including a motor 11, mounted for sliding movement along the bisector of said right angle. A rotary cutter head is so mounted in a bearing of the cutter assembly that when the bearing is rotated through 180 degrees by an hydraulic piston and cylinder device, the cutter head is moved normal to the direction of movement of the cutter assembly and also axially through a distance equal to the thickness of the fingers to be cut. In operation of the machine the members 15<SP>1</SP> clamped by the means 16 are advanced by such means to a first working position. The cutter assemblies are then advanced to cut fingers in one end of each component. The cutter heads are then raised and moved transversely so that on withdrawal of the cutler assemblies the heads cut mating fingers in the other ends of the components. The cutter heads thus follow the path 17. Apparatus 20 is then raised by hydraulic cylinders to apply glue to the cut fingers, and the clamping means are actuated to advance the components 15<SP>1</SP> to a final working position in which the fingers are mated. If desired, the components 15<SP>1</SP> may have grooves on their inner faces, and a panel or window pane may be raised on a table 46 so that when the components are advanced to their final position the pane or panel edges enter the grooves. Vibrating pressure may be applied to the frame formed, before the means 16 are withdrawn, and the frame lowered on the table 46 on to conveyer belts 40, 41 which take it away.
Patent GB-1102332-A (GB)
Title: Digital method of passive and automatic bearing indication for accurate navigation
IPC: G01S13/76
Filed: 1965-05-28
Abstract: 1,102,332. Radio navigation. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 28 May, 1965 [4 June, 1964], No. 22733/65. Heading H4D. A radio beacon radiates a pulse-modulated train from an omni-directional aerial (" azimuth " pulses) and a pulse-modulated train from a narrow-beam aerial which is rotated in azimuth ("beam" " pulses), and a receiver counts the azimuth pulses, or locally-generated pulses locked thereto, from a reference datum in the azimuth pulses until the narrow beam is received. The azimuth and beam pulses may be on different carrier frequencies, or if on the same carrier frequency a slight time separation exists between them. The receiver, Figs. 3, 4 and 5 (none shown), incorporates (i) a threshold level for the beam pulses determined by the level of the azimuth pulses to thereby inhibit false operation from side lobes of the narrow beam, (ii) a local pulse generator controlled by the azimuth pulses to run in " flywheel " manner at the repetition rate thereof and thus allow for missing azimuth pulses, (iii) delay means for separating azimuth and beam pulses when on the same carrier frequency and for detecting the reference (" north ") pulse signal in the azimuth pulse train for starting the counter read-out, and (iv) logic circuits to stop transmission of the counter output at an instant corresponding to the centre of the narrow beam, the delay inherent in this process being compensated for. Two beacons may be provided for fixing purposes.
Patent GB-280668-A (GB)
Title: Improvement in reels for motion picture films or the like
IPC: G03B21/32
Filed: 1926-09-15
Abstract: 280,668. Miehle, R. F. Sept. 15, 1926. Kinematograph apparatus. - The spindle openings in the side plates 6, 7 of a film reel each comprise non-circular portions adapted to engage an inner non-circular portion 4 of a spindle, to form a driving and centering connection, and also to engage an outer, smaller, cylindrical, portion 3 of the spindle. The openings may be square or polygonal, and may be angularly offset, as indicated in Fig. 4. The reel may be held on the spindle by a spring-pressed latch 10 engaging one of the side plates.
Patent GB-1070284-A (GB)
Title: Improvements in and relating to electric heaters
Inventor: JONES KENNETH
IPC: F24C15/10
Filed: 1964-06-02
Abstract: 1,070,284. Electric resistance heaters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. May 21, 1965 [June 2, 1984], No. 22799/64. Heading H5H. An electric hotplate, comprises a plate 1 of high thermal conductivity material, e.g. copper, or an alloy of copper or aluminium one side of which constitutes a flat heating surface and may be bright nickel-plated, and to the other side of which is brazed a heating element 7 of the tubular sheathed type. The heating element may be flattened where it contacts plate 1, or may be soldered into a groove in the undersurface of plate 1, and its outer sheath may be of copper, mild steel, aluminium or aluminium-bronze. As shown, an hydraulic temperature sensing capsule 5, of the kind described in Specification 995,237, projects. through a central aperture in plate 1 to sense the temperature of a vessel placed on plate 1 and/or the undersurface of plate 1. Alternatively, a temperature sensing capsule may be in permanent contact with the underside of an imperforate plate 1.
Patent GB-693576-A (GB)
Title: Drive mechanism for tape facsimile apparatus
IPC: B41L45/00
Filed: 1950-09-18
Abstract: 693,576. Copying-telegraphy. EASTMAN KODAK CO. Sept. 18, 1950 [Sept. 17, 1949], No. 22827/50. Class 40 (iii). In a facsimile recorder comprising a recording cylinder over which is passed a tape to be marked in accordance with the received signals, the tape is positively advanced by a sprocket-wheel engaging perforations made by a flying punch disposed between the sprocket and the cylinder. In the arrangement described the matter to be reproduced is on cards fed by a picker mechanism from a stack to a conveyer belt which traverses the cards past scanning apparatus, preferably of the form disclosed in Specification 690,164. The matter is reproduced on a tape 44 fed from a drum 45 over rollers 46, 47, 49 past two sets of reproducing devices 15, 16 and 17, 18, as described in Specification 693,578, comprising a cylinder 12 provided with a helical rib 11. The flying punch comprises a pivoted member 51 having a spring-biased punch pin 75 engaged by a pin 71 on a rotatable disc 73 driven so that the downward speed of the end of the member 51 is equal to that of the tape at the instant when the punching operation is performed, and so that the spacing of the holes corresponds to the distance between the teeth on the sprocket 56. The recorded tape is fed over a shaped platform 57, facilitating examination of the recorded matter, to a reel 58. An inking ribbon 59 is fed from a reel 60 through the recorder to a take-up reel 67. The recorder includes a device, e.g. an expanding pulley, to vary the speed of the recording tape to provide a variation in the fineness of scanning or in the shape of the diameters reproduced. In the arrangement described, the scanning device of the transmitter and the recording cylinder are on the same rotatable shaft.
Patent GB-1345230-A (GB)
Title: Method and apparatus for forming containers by blow-moulding
IPC: B29C35/08
Filed: 1971-04-19
Abstract: 1345230 Blow-moulding apparatus BELOIT CORP 19 April 1971 [7 July 1970] 22831/71 Heading B5A Container-forming apparatus comprises an oven for heating preforms which move continuously in, through and out of the oven, a device to transfer preforms from the oven to one of a number of moulds successively registering therewith, the oven including a covered circular rotating turntable and means to move the preforms in a spiral path through oven. As shown in Fig. 1, the preforms 16 are fed to oven 11 at 14 via gate 13. Heating is effected by quartz infrared heaters (44, Fig. 3, not shown), heaters (46) and by contact of turntable 15, which is also heated. Heated preforms are fed by movement of pivoted arm 42 through duct 17 to open mould 20A. A plurality of moulds 20A-20F are mounted on a turntable 21, clamp arms (51, 52, Fig. 4, not shown) thereof being pivoted together (at 53). Each mould half 64, Fig. 5A comprises a cavity 70 and a thread ring 71. A mount portion 73 includes a positioning ring 74, clamp ring 75, a unit 77 having a cut-off ridge 76 around it with a stretch plug 78 therein having an air passage 79. Preform 16 is fed to the recess defined by the top of rings 74, 75 which are then raised to clamp it against thread ring 71, (Fig. 5B, not shown); unit 77 is then raised, ridge 76 shearing off the unwanted periphery of preform 16 and forcing moulding material into thread cavity 72 (Fig. 5C, not shown). Stretch plug 78 is extended to stretch the preform, Fig. 5D, and air supplied through passage 79 to effect blow-moulding. Finished containers are ejected upwardly through discharge tube 22. In an alternative arrangement, strips of moulding material are fed through elongate oven (85, Fig. 6, not shown) having strip heaters (96, Fig. 7, not shown), discs then being punched therefrom by punching unit (87). Discs are fed by rack (90) through discharge unit (89) to the moulds, and scrap passed to shoot (88) for re-use. The preforms may be disc-shaped or tubular, having been formed by extrusion or may be preshaped, e.g. injection-moulded. They may be made of polypropylene and may have a further layer, e.g. of 'Saran' (R.T.M.) pressed thereon to decrease oxygen permeability.
Patent GB-317982-A (GB)
Title: Improvements in or connected with shears for trimming lawn borders or edges
IPC: A01G3/06
Filed: 1928-08-09
Abstract: 317,982. Wight, A. N. Aug. 9, 1928. Shears.-The blades b, d of shears for cutting grass edges &c. of the kind operable from a standing position are adapted to be adjusted between the horizontal and vertical cutting positions by actuation of a handle o operable while the tool is in rise. The main stem j or the tool, carrying a rigid handle p, is rigid also with a barrel g in which turns the stem e of the blade d on which is pivoted the cutting blade b connected by a link f with ball end joints to a lover i movable by a link k and a rod l carrying a handle q which is moved up and down the main stem to actuate the blade b. The stem e is turned within the barrel q for cutting at any angle between vertical and horizontal by a spring-controlled flexible wire n pivoted to a crank-pin h on the stem e and to the handle o. A roller r supports the tool.
Patent GB-940332-A (GB)
Title: Improvements in two part electrical connectors
Inventor: PINKUS HARVEY
IPC: H01R13/193
Filed: 1962-06-15
Abstract: 940,332. Two part couplings. BELLING & LEE Ltd. June 15, 1962, No. 23051/62. Heading H2E. In a two part electrical connector as described in Specification 920,572 means are provided for displacing a clamping member 28 with keyhole apertures 27 therein, relative to the connector parts so as to wedge a resilient contact sleeve 17 carried by one connector part 14 from the wide to the narrow end of the aperture 27 to constrict the sleeve to cause it to grip a corresponding contact pin 8 carried by the other connector part when the connector is engaged. Axial displacement of the clamping member relative to the connector parts is achieved by sliding of a member 21 in a slot 18 in one connector part so that a spigot 22 on the member 21 engages an angularly displaced recess 29 in the clamping member.