baber/WOPTO huggingface dataset:
Patent GB-682245-A (GB)
Title: Improvements in or relating to electrical stop motions for knitting machines
IPC: D04B35/10
Filed: 1949-09-28
Abstract: 682,245. Knitting-machines. BROOKS (AUTOS), Ltd., T. J., and HEYNE, W. O. Aug. 3, 1950. [Sept. 28, 1949] No. 24904/49. Class 74 (ii). A stop motion for a knitting-machine which operates when a yarn being fed to the machine becomes unduly tensioned comprises a device having a crooked arm 30, over which the yarn passes, secured to a spindle 26 which rotates when the arm is deflected to bring a projection 35 of a disc 34 secured to the end of the spindle into engagement with a pair of spring contact blades 36 thereby completing an electrical circuit to stop the machine. The arm 30 is normally urged against the action of deflection, caused by the tension of the yarn, by a spring 50 which is mounted on a rod 47 attached at one end of the disc 34 and slidable in a guide slot in a fixed bracket 48 at its other end so that as the disc is rotated the spring is gradually compressed. As the disc is further rotated, however, the rod 47 passes the line connecting the centre of the disc and the guide in the bracket 48 in which the rod 47 slides so that the spring now expands and assists the movement of arm 30 in its movement in the direction of deflection and urges the projection 35 into contact with the blades 36 ; at the same time the yarn drops from the arm 30. A number of devices may be associated with the machine and may be mounted in a common casing 23. A common reset member is provided for a number of devices so mounted, and comprises a bar 57 having projections 59 which engage eccentrically mounted pins 60 on the discs 34, the arrangement being that when the bar 57 is manually operated and moves in a longitudinal direction, the projections 59 engage the pins 60 of those devices which have operated due to undue tension of the yarn, and rotate the discs so that the rods 47 and springs 50 occupy their initial position and the arms 30 are returned to their yarn engaging position. Specification 682,248 is referred to.
Patent GB-967284-A (GB)
Title: Improvements relating to guttering
Inventor: DAVIDSON ALISTAIR RITCHIE
IPC: E04D13/064
Filed: 1962-06-28
Abstract: 967,284. Gutter brackets. A.B. PLASTICS Ltd. June 28, 1963 [June 28, 1962], No. 24924/62. Heading A4B. [Also in Division E1] A synthetic plastics gutter bracket 10 having a countersunk bore 13, carries a polyethylene liner 15 (Figs. 3, 5), of semicircular cross-section, with lips 20 which are supported on ridges 22 (Fig. 1) so that a semi-circular slot 14 is left between the bracket and the liner. The liner has external transverse ribs 29 and gutter and stops 30, and also slots 26 which engage tongues 25 (Figs. 1, 5) extending down from the overhanging edge flanges 23 of the bracket.
Patent GB-809156-A (GB)
Title: Railway track-circuit signalling system
IPC: B61L1/18
Filed: 1955-08-31
Abstract: 809,156. Railway track circuit signalling systems. LEROY, E. M. P. Aug. 31, 1955 [Sept. 10, 1954; April 26. 1955], No. 24970/55. Class 105. In the track circuit of a railway signalling system in which the track circuit comprises the two insulated rails of an insulated track section, the source of current across one end of the section to feed spaced unidirectional voltage impulses of short duration and of a peak value sufficient to break down abnormal contact resistances between the rails and the vehicle wheels, consists of a device for closing periodically the discharge circuit of an energy accumulator which is recharged by a low mean power and the pulses are received at the other end of the section by a pulse receiver comprising means for accumulating the pulse energy which is fed to the track relay to main it normally operated, said receiver being preferably adapted to receive only during the short durations of the said pulses and to this end the pulse generator and pulse receiver are synchronized, for example by a transformer and transmission line coupling between the transmitter and receiver or by " pilot " impulses controlling the impulse generator and the impulse receiver. As shown, the anode voltage of a thyratron 9 is controlled by the charging of a condenser 6 adjustable by a variable resistor 7 from a D.C. source 5 until the anode voltage is sufficient, depending on the grid voltage applied from a battery 11 to render the thyratron conductive, whereupon on the condenser 6 is discharged through the primary winding of a peaking transformer 8 feeding the track circuit rails 1, 2 with the peak voltages from its secondary winding. The receiving circuit comprises a cold cathode valve 24 or an electronic or thermionic valve or transistor, or a quick-acting relay. The valve 24 is connected in series with the track relay 13 in the secondary circuit of the receiving transformer 12 with a condenser 15 across the relay. Synchronizing impulses are fed from an auxiliary pilot impulse source 25 through a line 23a to the transmitter 9 and to the receiver 24 so that the thyratron 9 and cold cathode valve 24 become conductive concurrently. The pilot pulses may alternatively be obtained from an A.C. commercial supply in order to eliminate the line 23a. A phase corrector 34 is inserted in the circuit feeding the pilot impulses to either or both the devices 9 and 24. A filter F in the receiver circuit and comprising a rectifier 14a, capacity 27 and resistance 28 eliminates the disturbing effects of industrial frequency voltages which may appear in the track circuit.
Patent GB-1019141-A (GB)
Title: Improvements in or relating to multi-aperture magnetic core devices
Inventor: GUILDFORD LESLIE HENRY
IPC: H03K17/82
Filed: 1962-06-29
Abstract: 1,019,141. Circuits employing bi-stable magnetic elements. MULLARD Ltd. May 1, 1963 [June 29, 1962], No. 25065/62. Heading H3B. A laddie has one of its rungs divided into two  flux paths by one or more apertures and a winding arranged in a figure-of-eight manner to pass through the aperture or apertures and around the rung so that in operation when a disturb flux is produced in the two flux paths there is generated in the winding opposing e.m.f.'s which substantially cancel each other out. In the embodiment of Fig. 1 (not shown) the aperture takes the form of a slot which divides the last rung along its longitudinal magnetic axis. Alternatively the slot may be replaced by a single small hole or two small holes, Figs. 2, 3 (not shown) through which the output winding is passed. Normally maximum noise occurs when the first hold rung of the laddic is not held because the set pulse causes a large disturb pulse, generated by driving the core further into saturation, to swing around the rung of the core around which the output winding is wound and set up a noise voltage in it. However, with the arrangement shown the disturb flux generates opposing e.m.f.'s in the output winding and since the aperture lies on the magnetic axis the resultant output winding voltage is zero. When all the rungs having hold windings are held then, during the drive pulse, there will be half-a-unit of flux switched around the last rung in the path between the window and the aperture and thus produced a signal in the output winding. Any signals produced by disturb fluxes will cancel each other out. By arranging the geometry of the apertured rung so that a proportion of the drive signal switches flux in the outer part as well as the inner part of the rung a delayed signal may be obtained. The laddies arranged as in Figs. 1, 2, 3 may have an aperture provided in the first rung, Fig. 4 (not shown).
Patent GB-817908-A (GB)
Title: Improvements in or relating to electrical devices and terminal caps therefor
Inventor: FEATHERSTONE GEORGE
IPC: H01K1/46
Filed: 1956-08-17
Abstract: 817,908. Lamp-caps. GENERAL ELECTRIC CO. Ltd. Aug. 2, 1957 [Aug. 17, 1956], No. 25273/56. Class 38 (1). In a lamp, e.g. an infra-red lamp, comprising a tubular envelope 6 from the ends of which lead wires 5 are led out through flattened pinches 7, said pinches are greater in width than the diameter of the envelope 6 so as to form shoulders 12 between them and the envelope and metal caps 8 each consisting of a flattened cylinder 10 with a cup-shaped expansion 9 at one end are secured on the pinches 7 by sliding them thereon, until the cup-shaped expansions 9 rest against the adjoining ends of the tubular envelope 6, and crimping the walls of the caps at each side of the cup-shaped expansions and behind the shoulders 12. The lead wires 5 are then secured to the insides of the caps, the open ends of which are finally filled with a suitable cement. More than one lead wire may be brought out through each cap and where it is not desired to use the cap as a contact, a length of copper braid carrying an eyelet terminal may be secured thereto.
Patent GB-684055-A (GB)
Title: Improvements in or relating to lamp boxes of the grid type
Inventor: MILBURN ROBERT
IPC: G09F9/307
Filed: 1950-10-17
Abstract: 684,055. Monogrammic signs. BELL PUNCH CO., Ltd. Oct. 17, 1950, No. 25324/50. Class 118 (ii). A monogrammic sign comprises a plurality of electric lamps mounted in sockets arranged in a grid frame, a plurality of lamp contacts corresponding substantially in number with the number of lamps, a plurality of groups of further contacts, one for each symbol to be displayed, which groups may each be rocked about a respective pivotal axis so that the further contacts of the group make contact with respective lamp contacts whereby selected lamps are lit, and means comprising a plurality of relays and a rotary switch for selecting and actuating any one group of further contacts. The monogrammic sign comprises twenty-four lamp-sockets mounted in a frame 1 of which a rear view is shown and arranged in four vertical columns and six horizontal rows. Contacts 25 associated with each lampsocket are connected to respective lamp contacts 4 ... 24. It is found in practice for displaying Arabic numerals that certain lamps are never used, or are used for each numeral or are always associated with another lamp when used with the result that only twenty-one lamp contacts 4...24 are required to allow the numerals 0 ... 9 to be displayed. A plurality of carriages 27, 28 ... 36 corresponding respectively to the numerals 9, 8 ... 0 are mounted for pivotal motion about the axes 37, 38...45 and each carries a plurality of contact numbers which when the carriages are rocked make contact with respective ones of the contacts 4 ... 24. The carriages as initially manufactured are all identical, and the contacts which are not required in each carriage are either subsequently removed or bent out of the path of the lamp contacts. A relay 26 is associated with each of the carriages 27 ... 36. With the rotary switch in the position corresponding to the numeral 0 none of the relays is energized and the relay associated with carriage 36 holds the contacts thereof in contact with the lamp contacts while the remainder of the carriages are disengaged from the lamp contacts. When the rotary switch is set to a different position the corresponding relay 26 and the relay 26 associated with carriage 36 holds the contacts thereof in contact with the lamp contacts while the remainder of the carriages are disengaged from the lamp contacts. When the rotary switch is set to a different position the corresponding relay 26 and the relay 26 associated with carriage 36 are both energized to releasing carriage 36 and bringing the other associated relay into engagement with the lamp contacts. A holding-relay 76 ensures that once a relay 26 has been actuated it is held in that position until the switch is returned to the 0-position.
Patent GB-401850-A (GB)
Title: Improvements in radial thrust bearings
IPC: F16C17/03
Filed: 1932-09-12
Abstract: 401,850. Tilting-pad bearings. WATSON, F., 43, Southampton Buildings, London.-(Aktiebolaget Nomy ; 2, Norrmalmstorg, Stockholm.) Sept. 12, 1932, No. 25386. [Class 12 (i).] Relates to radial-thrust bearings having curved bearing surfaces 6, 7, and bearing blocks 2 tiltably supported so as to set up in operation wedge-shaped load-sustaining lubricant films between the bearing surfaces 6, 7. According to the invention, the radii of curvature of the surfaces 6, 7, are substantially equal in the axial direction but different in the peripheral direction. As shown, the surface 6 is truly spherical and of radius r2 and the surfaces 7 have a radius of curvature r2 in the axial direction and r1 in the peripheral direction. Alternatively, the surface 7 may be spherical. The invention may be applied to bearings in which the blocks are normally stationary. Specification 290,637, [Class 12 (i), Bearings &c.], is referred to.
Patent GB-232163-A (GB)
Title: Improvements in and relating to kinematographic cameras
IPC: G03B19/18
Filed: 1924-10-25
Abstract: 232,163. Bordoni, A. O., and Favero, A. April 8, 1924, [Convention date]. Kinematograph apparatus.-In a camera having an interchangeable film magazine 1 provided with an exposure arerture 4, apertures 6, 6<1> for the passage of the intermittent feeding members, and a yielding pressure plate 7, the intermittent feeding members press upon the plate 7 so as to free the film from its pressure during travelling movement; the magazine may be capable of being slid into or out of position in the camera, means being provided for automatically disconnecting the feed members from the film during the operation. The film-feeding means comprises claws 14 mounted on spring-pressed arms 13 carried by a member 11 reciprocating in a slide-way 12, and the claws project through the film perforations and press the plate 7 away from the film during their downward movements. Slideways 9, 9<1> on the magazine engage slides 10, 10<1> carried by the camera, and the slideway 9 is provided with a projecting edge 20 which engages the arm 13 to hold the claws 14 out of operative position until the magazine is fully inserted; the arm 13 then engages a slot 26 in the projection 20, and the claws assume the operative position. The magazine contains pay-out and take-up spools 2, 3, respectively, and has an opening in one wall accommodating a shaft 3<1> for driving the spool 3. The driving mechanism is carried in a casing 15, Fig. 3, externally secured to the camera casing and comprises a gear wheel 16 driven by a handle 17 and driving a pinion 18 on the shaft of a flywheel 19, the pinion 18 being also in mesh with a wheel 20 on the shaft 3<1>. A pin 21 on the flywheel 19 oscillates a member engaging the member 11 to reciprocate the claws 14, and the gearing is such that the speed of rotation of the shaft 3 is slightly less than the mean speed at which the shaft 2 is caused to rotate bv the film. When single exposures are to be made, the handle 17 may be directly attached to a member 23 on the fly-wheel shaft. According to the Specification as open to inspection under Sect. 91 (3) (a), the. spindles 2, 3 may be separated by a distance about equal to half the diameter of the film roll 5, and the magazine may be provided with a spring 8 engaging the film between the roll and the aperture 4 to regulate the film tension. This subject-matter does not appear in the Specification as accepted.
Patent GB-619950-A (GB)
Title: Corrosion preventing means for ferrous metal water tanks
IPC: C23F13/02
Filed: 1945-10-01
Abstract: 619,950. Preventing corrosion. TRIGGS, W. W. (McGraw Electric Co.). Oct. 1, 1945, No. 25450. [Class 123(i)] An electrolytic protective device for iron hot-water tanks comprises a magnesium rod 29, Fig. 3, which is suspended from the top of the tank 11 by a metal support 25 and an intermediate block 35 of insulating material, the block 35 being provided with a screw-threaded thimble 37 at each end, for engagement respectively with the end of the support 25 and a reduced end portion 31 of the rod 29, and having embedded therein a resistor 39, of at least 5 ohms, the ends of which are electrically connected to the two thimbles 37. The rod 29 may be in one length, or, alternatively, constituted by a number of pivotally-connected short lengths. The device is preferably disposed axially, the support 25 depending from a hot-water outlet fitting 21, and the .lower end thereof may be secured to a perforated metal baffle on the bottom'of the tank, over a cold-water inlet pipe, by an insulating block similar to the block 35, but, if desired, a plurality of such devices, peripherally spaced from each other on a circle of relatively small diameter, are used. Fig. 6 shows the magnesium rod 91 suspended by a resistor member 89 having an enlarged spherical end 87, and in a modification, Fig. 7, the upper end 63 of the magnesium rod 65 is secured within a hot-water outlet fitting 51, with the interposition of fluid-tight insulating material 59, 61, by a nut 67 and is electrically connected thereto by a resistance wire 69.
Patent GB-609491-A (GB)
Title: Method and arrangement for drawing sand and sand mixtures from a container
IPC: B24C7/00
Filed: 1945-10-02
Abstract: A method for conveying sand and mixtures of sand from a container to a spray pistol is characterised by the materials to be conveyed being carried from a rotating open container by a vertical rotating conveyer worm, into the range of a current of air acting transversely to the conveyer worm, which current of air carries the material with it to the spray pistol.  Downwardly into a rotating material container 1 extends a rubber lined conveyer tube 11 welded to a fixed cross-piece 10.  The material, <PICT:0609491/III/1> sand or sand mixture, e.g. sand and cement or sand and lime, is diverted by a vane (not shown) into an entrance hole 20 in the tube 11, where a rotating screw 7 compresses it and feeds it upwardly at a constant rate to a chamber 13 closing the top of the tube 11.  This chamber has a semi-circle of small injection openings 14 for compressed air and opposite them an exit 16 through which the sand is blown through a pipe 17 to a spray pistol.  Liquid may be added to the flow of material.
Patent GB-1143515-A (GB)
Title: Molten metal handling apparatus
IPC: B22D11/10
Filed: 1967-06-02
Abstract: 1,143,515. Pouring nozzles for molten metal containers. VESUVIUS CRUCIBLE CO. 2 June, 1967 [24 March, 1967], No. 25694/67. Heading F4B. A ladle 2, or tundish 3 for holding molten metal, is equipped with the bottom pouring nozzle 4, or 5, respectively, which has a downwardly extending externally threaded portion 8, to which one end of a further elongated member 10 may be releasably secured, to further confine the molten metal after passage through the nozzle. The other end of member 10 dips under the surface of molten metal in the vessel into which the metal is being poured. In a modification, a bayonet slot connection between the nozzle and elongated member may replace the screw-thread connection.
Patent GB-364138-A (GB)
Title: Improvements in or relating to jacking devices for vehicles
IPC: B60S9/02
Filed: 1930-08-28
Abstract: 364,138. Jacking attachments on vehicles. POTOSNJAK, G., 266, Belvedere, Fiume, Italy. Aug. 28, 1930, No. 25775. Convention date, Aug. 28, 1929. [Class 79 (iii).] In jacking devices of the type. embodying a lever pivoted to a part of a vehicle adjacent to a wheel and adapted to be brought into engagement with the ground on backing the vehicle by a stop attached to the wheel, the stop is normally held clear of the lever but is moved automatically into position for engagement therewith when the tyre flattens. The lever 6, pivoted at 7 to a fixed part of the vehicle, comprises an arm 20 adapted to engage the ground and an arm 10 adapted to be engaged by the stop 12 on the wheel, the device being normally retained in the raised. inoperative position by a spring 8. The stop comprises a spring-pressed plunger 12 normally held retracted in a socket 13, Fig. 3, by the hooked end 14 of a trigger lever 15, the outer end 16 of which is depressed by contact with the tyre when it flattens, the plunger thereby being allowed to protrude into the path of the turned-down end of the lever 10. The turneddown end comprises a rigid central portion 11 between spring-controlled, one-way hinged flaps 21, 31 movable in opposite directions as shown in Fig. 2. In the upper, inoperative position of the jacking member, the stop 12, when released, engages the flap 21, flicking past it and thereby giving a clicking indication that the vehicle is travelling with a punctured tyre. Upon reversing the vehicle, the stop engages the flap 21 in the opposite direction, wherein it acts as a rigid abutment, and carries the jacking member round into the operative position 4. In this position, the stop comes into alignment with the inner flap 31 which acts in the opposite direction to the flap 21, thus enabling the jacking member to be raised out of action upon subsequent forward rotation of the wheel. The stop is pressed into the cocked position shown in Fig. 3 by hand.
Patent GB-446324-A (GB)
Title: Improvements in or relating to the handles of cricket bats, hockey sticks, and other similar implements
IPC: A63B49/08
Filed: 1935-09-17
Abstract: 446,324. Cricket bats, hockey sticks, &c. TRIMMINGS, A. E., The Bungalow, Kym Brook Island, St. Neots, Huntingdonshire. Sept. 17, 1935, No. 25776. [Class 132 (ii)] A handle for a cricket bat, hockey stick, or other playing implement comprises two members a, formed of four slips of rattan cane glued to gether, and an indiarubber cushioning strip c having indiarubber thickening portions d and e cemented theretc and housed in recesses formed in the members a. Perforations f are formed in one or both of the portions d, e. The cushioning strip c may be coated on one or both sides with canvas or may be of cork or cork composition. The thickening portions d and e may be obtained by moulding and depressions are formed therein The recesses in the members a may be formed by cutting away the cane slips or by affixing additional cane strips.
Patent GB-393942-A (GB)
Title: Improvements in chairs, divans and the like
IPC: A47C7/70
Filed: 1931-09-14
Abstract: 393,942. Chairs combined with shelves or tables. FRECH, C., 16, Chipstead Street, Parsons Green, London. Sept. 14, 1931, No. 25782. [Class 52 (iii).] In a chair or the like combined with a shelf or table, the hollow arm a has an opening through which the shelf q can pass, upper and lower guide bars u, p being provided adjacent the opening, and a bar r serving to close the opening and to limit inward movement of the shelf. A bar t may be provided to co-operate with the upper guide bar when the shelf is in use. According to the Provisional Specification, arcuate guide members may be provided, to engage end projections of the member t.
Patent GB-893729-A (GB)
Title: Improvements in and relating to the preparation of aromatic isocyanates
Inventor: JOHNSON OSCAR HUGO
Filed: 1959-07-28
Abstract: Aromatic isocyanates are prepared by reacting phosgene with an aromatic primary amine in an inert organic solvent said reaction being initiated and maintained at a temperature within the range of 60 DEG C. to 90 DEG C. to produce an intermediate product containing carbamyl chloride, and reacting the intermediate product in the presence of phosgene at a predetermined higher temperature to produce the aromatic isocyanate.  An excess of phosgene is preferably employed.  The reaction may be carried out batchwise or continuously. In an example a solution of m-phenylene diamine in chlorobenzene heated to 75 DEG C. is gradually added together with excess phosgene to a saturated solution of phosgene in chlorobenzene heated to 80 DEG C., the mixture is maintained at 80 DEG C.-85 DEG C. until all the diamine is added and then refluxed, allowed to cool and the chlorobenzene distilled off to leave a residue of m-phenylene diisocyanate.  The following compounds are similarly prepared in examples: 2 : 4-tolylene diisocyanate, m-chlorophenyl isocyanate and tris-(4-isocyano-phenyl)-methane.