baber/WOPTO huggingface dataset:
Patent GB-219750-A (GB)
Title: Improvements in earth boring apparatus
IPC: E03F3/06
Filed: 1923-05-03
Abstract: 219,750. Mangnall, A. R. May 3, 1923. Bore-hole apparatus.-In boring earth by displacement by forcing a pilot head through the ground, the pilot head is impelled by apparatus. which is reversible in its action while remaining undisturbed to the boring pit. A frame comprising side bars a is positioned in the boring pit by jack-screws a'; the frame may be adjusted vertically or laterally relatively to end plates n by screw means o, p. Cylinders b, slidably arranged on the side bars, are connected by cross numbers c provided with clamping devices d by which the pilot bar e is secured; a piston is provided on one or both bars and by admitting water under pressure to one or both of the cylinders the pilot bar is forced through the around; water may afterwards be admitted to the other end of the cylinder or cylinders to reverse the direction of movement and thereby draw lining tubes, a cable, or a bore-enlarging head through the bore. A telescope &c. may be provided for sighting. Specification 153,931 is referred to.
Patent GB-846547-A (GB)
Title: Improvements relating to thermo nuclear reactors for producing fusion reactions
Inventor: LINHART JIRI GEORGE
IPC: H05H1/10
Filed: 1956-04-19
Abstract: 846,547. Nuclear fusion reactors ; discharge apparatus. BRITISH THOMSON-HOUSTON CO. Ltd. May 27, 1957 [April 19, 1956]. No. 11984/56. Classes 39(1) and 39(4). A method of producing a thermonuclear reaction consists in locating an ionised light gas near the axis of an elongated container in the presence of an axial magnetic field, and applying magnetic shock waves to the ionised gas so as to compress the gas adiabatically and to raise the gas to a high temperature. Fig. 3 shows part of a suitable apparatus comprising a discharge tube provided with heatable electrodes 3 at each end (only one of which is shown in the fig.). An electric discharge between the electrodes ionises the gas, which may be hydrogen, denterium, helium, tintium or a mixture thereof at a pressure such as to produce about 10<SP>14</SP> to 10<SP>17</SP> particles per c.c. The plasma is subjected to successive adiabatic magnetic axial compressions by means of coils 7 which are coupled together with condensers (not shown) to form an artificial line ; similar compressions are impressed on the plasma at the other end of the tube so that the two masses of compressed ions meet and react in the central space 2 of the tube. The tube may be provided with parallel plate electrodes 8 between which an R.F. field is established to feed energy to the ions by a cyclotion action between successive compressions. Coils 13 may be provided to produce a final radial compression.
Patent GB-606876-A (GB)
Title: Improvements in or relating to gun-fire control or like apparatus for similar purposes
IPC: G05D3/14
Filed: 1938-04-21
Abstract: 606,876. Photo-electric control of follow-up systems. VICKERS-ARMSTRONGS, Ltd., INGOLDBY, M. K., and SPAINK, J. H. ABBINK-. April 21, 1938, Nos. 11996 and 36227. [Class 40 (iii)] [Also in Groups XXXVII and XXXVIII] In a follow-up system for controlling, e.g. a gun in correspondence with the movements of, e.g. a sighting device, the usual follow-up switches are replaced by pairs of photoelectric cells co-operating with shutters. As shown, a telescope 33 via a selsyn transmission system controls the movements of shutters 66, 48, corresponding to the primary members of coarse and fine follow-up switches, the parts of the secondary members being taken by pairs 45, 46 of photo-electric cell-lamp combination carried by frames driven by the servo-motor 58 which through a hydraulic follow-up system drives the gun. Lag in the hydraulic system is measured by a differential gear 83 the cage of which is geared to the stator of the fine selsyn receiver 44. The follow-up assemblies control the armature current of the servomotor, the coarse arrangement being normally ineffective. The field current depends on the speed of the fire receiver, which is measured by means of a photo-electric cell 61 co-operating with a radially slotted disc 59 on the shaft of the fine receiver. The cells may be partially exposed in the balanced position. Specifications 586,589, [Group XXI], and 586,590 are referred to circuit arrangements. The armature current.-of the servo-motor 58 is normally controlled by the fine photo-cells 91 which render one or other of the gas-filled tubes 101, 102 effective for a variable portion of a halfcycle of the A.C. supply and these tubes control further gas-filled tubes 112, 113 in the armature circuit. When the error is so large that the coarse photo-cells 92 come into play, a relay 119 in the anode circuit of one or other of associated pentode tubes interrupts the grid circuit of one of the tubes 112, 113 to cause it to become conductive to the maximum extent. At the'same time, the grid circuit of a tube 123 in the field circuit is interrupted to give the maximum field current. At other times the conductivity of tube 123 is controlled by the potential drop across a resistor 133 fed by a rectifier supplied with amplified pulses produced in the photo-cell 61 by rotation of the slotted disc 59. The amplifier characteristic is such that the potential drop across 133 increases with the frequency of the pulses. Modifications are referred to in which the armature current is varied in accordance with the speed of the receiver and the field current is reversed to give a reversal of direction.
Patent GB-1026515-A (GB)
Title: Improvements in or relating to cutting devices in automatic-changing winders for webs of synthetic plastic material
IPC: D06H7/02
Filed: 1963-03-27
Abstract: 1,026,515. Traversing cutters. REIFENHAUSER G.m.b.H. March 27, 1963 [May 15, 1962], No. 12157/63. Heading B4B. A cutting-device in an automatic - changing winder for winding a web of material on to successive rolls comprises a rectilinearlyguided cutter 8 traversing the web and moved by pneumatic, electric or mechanical means, the drive for the web and the cutter being arranged so that the cutter speed is so much higher than the speed of the web as to produce asubstantially right - angled cut. As described a piston 1 is moved in a tube 3 by compressed air applied via channels 5 and arrested by springs 4, and is secured to a wire 2 which runs over pulleys 6 and drives a slider in a parallel tube 7. The cutter 8 is attached to the slider and guided in a slot in the tube. The drive means may alternatively include a speed stepup transmission or differential-pulleys in place of the simple pulleys 6. Electrical or mechanical drive means may also be used.
Patent GB-1268024-A (GB)
Title: Still or cinematographic camera
IPC: G03B9/58
Filed: 1970-03-13
Abstract: 1,268,024. Cameras. AGFA-GEVAERT A. G. March 13, 1970 [March 19, 1969], No.12170/70. Addition to 1, 242, 094. Headings G2A and G2E. A camera has a flexible diaphragm disposed in the camera wall, which diaphragm can, under pressure, be made to initiate two different operations one after the other as pressure, and then further pressure, is applied manually. As shown in Fig. 1, the diaphragm 201 is supported in a tubular member 202 which can move downwards against a spring 206, the initial position of member 202 being adjustable by a threaded ring 210. The lower end of spring 206 rests against an annular projection 207a on a tubular member 207, which member is threaded and engages in a threaded bushing 208 attached to the camera wall 209. A micro-switch 205 is attached to the inside of member 202 by screws 203, 204. Below member 202, and carried by an extension 211 of member 207, is a switch 214, normally in the open position shown. The diaphragm is sufficiently stiff, and the strength of spring 206 is such, that on initial pressure being applied in direction A, the diaphragm does not flex but the whole unit formed by member 202 moves downwards until a lug 215 thereon engages and closes switch 214. This completes a circuit which may operate an exposure control means or indicate exposure conditions. Further pressure now causes the diaphragm to flex and actuate the button 205a of the micro-switch 205, and thus, for example, release the camera shutter, or switch on the drive motor. In the modification of Fig. 2 (not shown) the member 202 is supported within a flexible rubber ring.
Patent GB-880470-A (GB)
Title: Improvements in or relating to the cleaning of metal surfaces
IPC: C23F1/44
Filed: 1960-04-06
Abstract: Adherent titanium, tin or aluminium or an alloy containing at least 80% of one or more of these metals is removed from a ferrous metal surface by treating the adhering metal with a liquid chlorinating medium comprising liquid sulphur mono- and/or di-chloride.  The ferrous metal surface is preferably immersed in the chlorinating medium although as an alternative the medium may be sprayed on in a moisture-free atmosphere.  A liquid diluent, e.g. titanium tetrachloride, diethyl ether or molten sulphur, may be included in the chlorinating medium and the sulphur chloride may be formed in situ by bubbling chlorine into one of the diluents containing sulphur.  The chlorinating medium may also be replenished by bubbling chlorine in to combine with the sulphur formed in the reaction.  The chlorinating medium is heated to initiate the reaction and the temperature thereafter kept down by refluxing.  The process is particularly applicable to the removal of an inherent metal from tools and dies.ALSO:Adherent titanium, tin or aluminium or an alloy containing at least 80% of one or more of these metals is removed from a ferrous metal surface by treating the adhering metal with a liquid chlorinating medium comprising liquid sulphur mono- and/or di-chloride.  The ferrous metal surface is preferably immersed in the chlorinating medium although as an alternative the medium may be sprayed on in a moisture-free atmosphere.  A liquid diluent, e.g. titanium tetrachloride, diethyl ether or molten sulphur, may be included in the chlorinating medium and the sulphur chloride may be formed in situ by bubbling chlorine into one of the diluents containing sulphur.  The chlorinating medium may also be replenished by bubbling chlorine in to combine with the sulphur formed in the reaction.  The chlorinating medium is heated to initiate the reaction and the temperature thereafter kept down by refluxing.  The process is particularly applicable to the removal of an inherent metal from tools and dies.  The following alloys are referred to in the Specification <TABS:0880470/II/1>
Patent GB-166220-A (GB)
Title: Improvements in guides for cables, ropes, chains and the like
IPC: F16H7/18
Filed: 1919-05-15
Abstract: 166,220. Kennedy, C. J. H. Mackenzie-, and Smith, W. J. May 15, 1919. No Patent granted (Scaling fee not paid). Guide pulleys and rollers.-Guides for cables, chains, ropes, &c., particularly the control cables of aircraft, comprise a series of rollers a arranged in a curve between side frames b which' support the axle pins c. On each axle there may be two rollers side by side, or there may be two sets of rollers disposed concentrically. Reference has been directed by the Comptroller to Specifications 24105/08, 6038/10, and 102,610.
Patent GB-415853-A (GB)
Title: Improvements in and relating to single-phase capacitor type induction motors
IPC: H02P1/44
Filed: 1933-04-27
Abstract: 415,853. Induction motors. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, ROBERTS, L., and BALL, R. D., Phoenix Works, Bradford, Yorkshire. April 27, 1933, No. 12266. [Class 35.] A single-phase motor with a phase-splitting capacity is provided with a resistance in the starting circuit connected in series with the whole of the starting winding and the condensers or in parallel with the condensers, and with means for cutting out the resistances when the motor has speeded-up. Fig. 1 shows a motor with a starting winding 2 in series with condensers 3<a>, 3<b> arranged to be connected in parallel for starting and in series for running by means of switches 4, 5, 6, 7 ; the resistance 8 is connected between the condensers and put in and out of action by the switches 4, 5, 6, 7. The invention is also described in connection with the arrangement described in Specification 405,105 in which a part of its starting winding is cut out for running; the windings may be regrouped as described in Specification 386,512. The condenser may be connected through an autotransformer for starting. The resistance may be placed in circuit only when the voltage across the condenser reaches a certain value owing to resonance. Fig. 4 shows an arrangement for this purpose, the resistance 8 being normally short circuited by a switch 10<a> which is opened by a coil 10 in parallel with the condenser 3. Fig. 6 shows an arrangement for the same object in which the resistances 8<a>, 8<b> are inductive resistances with saturable cores. When the voltage across the condensers 3, 4 is low the cores are unsaturated and the coils have a high inductive impedance ; as the voltage rises the cores become saturated and the coils act as non- inductive resistances. Specifications 385,150 and 389,056 also are referred to.
Patent GB-832205-A (GB)
Title: Improvements in or relating to the polymerisation of mono-olefins
Inventor: LELYVELDT EDUARD
IPC: E21B10/08
Filed: 1956-04-23
Abstract: Olefins are polymerized with a Ziegler catalyst and at not less than 105 DEG  C. in an inert solvent in which the polymer is soluble at the polymerization temperature, whereby the liquid phase containing polymer in solution may be withdrawn-optionally an alkaline-earth metal hydroxide (e.g. Ca(OH)2) added-filtered to remove solid catalyst material, and then separated (e.g. by precipitation, crystallization or cooling) into a polymer and a liquid, which may be recycled if desired.  The olefin may be ethylene and/or propylene and may contain specified small amounts of impurities such as acetylene, air and water vapour.  Catalysts may be those disclosed in Specifications 799,392, 799,823 and 801,031, and suitable solvents are hydrocarbons and halogenated hydrocarbons, e.g. a high boiling range aliphatic hydrocarbon fraction, white spirit or kerosene. The polymerization may be batchwise or continuous or with intermittent addition or removal of components.  An advantage of the process is the removal of waxy polymer which remains in solution in the solvent used.  In Example I the polymer obtained is also steam stripped and dried.  Specifications 803,557 and 832,204 also are referred to.
Patent GB-626550-A (GB)
Title: Improvements connected with ladders and the like
IPC: E06C1/22
Filed: 1947-05-08
Abstract: 626,550. Ladders. MATTHEWS, C. H. May 8, 1947, No. 12420. [Class 20(ii)] A ladder of the type comprising a pair of extension ladders slidably inter-connected together and a pivoted strut member connected to one of the ladders and adapted to be extended as a back support when the ladders are used as a step ladder, has a hinged platform which is preferably connected to one of the ladders and which is adapted to be folded over the top of the two ladders to form a platform therefor or be folded down to lie on the front of one of the ladders when not required. The platform 16, Figs. 1, 3, is hinged to ladder 7 and may be swung over across the top of the ladders 7, 8 when the ladders are used as a step ladder, or turned back on the ladder 7 when the ladders are in use as an ordinary or extended ladder. The ladders 7, 8 have C section side members, Fig. 4, corrugated, round, tubular section rungs 9, Fig. 1, press riveted into the channel sides, and spring operated catch members 10 for relatively supporting the ladders when used in extension. The strut 12 has side members of L cross section which lie flush with the sides of the ladder 8 when the ladders are closed or extended, and its outward movement is limited by the pivoted links 15. The lower ends of the strut and ladder 8 may be splayed out, Figs. 2, 5 not shown, to give greater stability. Specification 593,874 is referred to.
Patent GB-558402-A (GB)
Title: A device to prevent a bed-cover from slipping off a bed
IPC: A47C21/02
Filed: 1942-09-03
Abstract: 558,402. Securing bed-clothes. SCHWARZ, J. Sept. 3, 1942, No. 12432. [Class 52 (ii)] A bed-cover 11 is prevented from slipping off by means of bands 14 connected at one end to the cover by attachment means (for example, press buttons 12) and connected at the other end to a pad or block 17 by further attachment means. The pad or block 17 may be located between the mattress and the wire or other base of the bed, or may be suspended under the bed from the wire mesh or from a steel lath, for example by means of a hook. The bands may be adjusted in length by usual control slides or other means.
Patent GB-707905-A (GB)
Title: Improvements in and/or relating to mechanism for producing or controlling the longitudinal movement of electric cables and tubes during manufacture and for other purposes
Inventor: SPENCER JAMES ARTHUR
IPC: B65H51/14
Filed: 1951-05-29
Abstract: 707,905. Endless conveyers. BRITISH INSULATED CALLENDER'S CABLES, Ltd. April 18, 1952 [May 29, 1951], No. 12570/51. Classes 78 (1) and 78 (2) In conveying apparatus of the kind in which articles such as electric cables and tubes are moved longitudinally by placing them between gripper members 15, Fig. 1, on one or more pairs of endless chains 1, each gripper member comprises a closed hollow member filled with air or other gas at atmospheric or higher pressure which is resilient and conforms to the shape of the article when this is gripped. As shown in Figs. 2, 6, each member 15 comprises a box made of rubber or rubber-like material reinforced with fabric material and filled with air or gas introduced through a valve 15a. Each box is secured to two metal carriers 14 supported between a pair of endless chains by chain pivot pins 11 having threaded ends engaging in the carriers and secured by screws 12a. Flanges 16 on the box are secured in recesses 19 in the carriers by metal plates 20 attached by screws 20a. The box may be made in two halves each formed with a circumferential flange, the two parts after being partly cured as 'separate parts being placed together and the curing completed. Upstanding ribs on the box are engaged by the sides of the arched parts of the two carriers to provide a positive driving engagement between the carriers and the box. In modifications in which only one gripper member is carried by the upper pair of chains and one by the lower pair, the gripper member consists of an endless length of tubing or a length of tubing having its ends connected by a pin passing through eyes attached to its ends. The chain rollers 2, 4, 6, 8 are guided by plates 26 along the operative runs of the conveyers.
Patent GB-865185-A (GB)
Title: Improvements in or relating to girder units
IPC: E04G11/52
Filed: 1957-04-17
Abstract: 865,185. Girders. HUNNEBECK, E. M. April 17, 1957 [April 17, 1956; April 18, 1956; Nov. 16, 1956; Jan. 30, 1957(4)], No. 12580/57. Class 20(2) A girder has an upper boom 1, Fig. 1, and a lower boom 2 connected by struts 3, the neutral axes of the booms and end struts passing through the axes of the apertures 12, 13 for connecting the girders together to form various structures and one of the booms is adapted for interengagement with the boom of another girder. The apertures are in plates 4 welded inside the booms at one end and outside at the other to overlap the plates on other girders. The upper boom comprises C-section stringers 1a, Fig. 8, joined by tubes 11 and the lower boom 2 is a' single C-section stringer adapted to fit between the stringers of an upper boom of another girder when they are connected'together one above the other as shown in Fig. 6, a third girder being connected by a bolt 20 through plates 4 and an adjustable brace 21 between its lower boom and a lower girder. Lugs 17, Fig. 8, in the boom 2 fit on tubes 11. The lower boom may comprise two angle irons fitting outside the-upper boom of an associated girder. The struts may be corrugated sheet. The connecting apertures may be reinforced holes in the booms themselves. The booms may be of trapezate section Fig. 17. Yokes may be used in place of the plates 4, Figs. 29-35 (not shown). A connecting bolt for them is held in place by a catch and has a manipulating handle. In Figs. 36, 37 (not shown) the lower boom comprises two angle irons connected at each end by a bar carrying two apertured eyes. The stringers of the booms may be connected by angle irons (Figs. 38, 39 not shown). In Fig. 40 a connecting element for four girders I, II, III, IV comprises two channel members 152 welded together and having apertured connecting plates 160. The elements may connect the girders by the top boom only in which case the lower booms of two opposite girders are connected by a turn buckle which passes through a turn buckle connecting the other two opposite girders. Girders may be connected at acute and obtuse angles by a connecting element Fig. 41 (not shown). In Fig. 44 the bolt 18b connecting girders I carries a yoke 187 connected to a girder II and apertured connecting plates 190 on one side of the girders I connect another girder II.
Patent GB-1306983-A (GB)
Title: Device for the treatment of metal ingots
Inventor: DAUSSAN H J
IPC: B22D7/10
Filed: 1970-05-28
Abstract: 1306983 Casting processes DAUSSAN ET COMPAGNIE 28 May 1970 [2 June 1969] 12712/71 Divided out of 1306982 Heading B3F When casting metal ingots the mouth of the ingot mould 1 or its head box is provided with a lining B of heat-insulating and/or exothermic material. A cavity C is formed between the ingot mould and its lining, into which molten metal flows and solidifies. A cover P is also provided. The disclosure is similar to that in the Specification 1306982 but the claims are directed to the lining and two further embodiments of the lining are disclosed. In Fig. 5, the lining B1 has a ledge 12a, 12c extending over the top surface 1 of the ingot mould A and the slabs are wedged together by corner pieces 16b, 16c. The corner pieces also form cavities with the ingot mould wall A. In Fig. 7, a unitary lining B2 is provided with a double wall 17, 18 extending above the top surface 1 of the ingot mould A.
Patent GB-600773-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J9/50
Filed: 1945-05-22
Abstract: 600,773. Electron discharge apparatus. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 22, 1945, No. 12764. Convention date, May 11, 1944. [Class 39 (i)] In a semi-demountable electron discharge device, the cylindrical header of an electrode mount assembly fits into a metal cylinder defining an opening of the envelope, and abuts against an alignment stop secured to the interior surface of the cylinder, the header and the cylinder being sealed together at their outer edges only. The header is removed by cutting off the sealed edge portion. As shown in Fig. 1, the envelope consists of a metal spinning 17 brazed to a hollow copper anode 15 and sealed to a glass cylinder 21. A metal cylinder 22 sealed at one end to (the glass, is seam-welded at the other end to a steel sleeve 24, to whose interior is secured an alignment ring 26. An electrode mount comprises a lead assembly and a header 29 fitting the sleeve 24 and abutting against the ring 26. The header has a transverse wall portion 31 formed with apertures to receive the electrode leads, which are supported by metal thimbles 38 in turn supported by glass cylinders 37 and eyelets 34. The header 29 is seam welded to the sleeve 24 at 53. The metal members 17, 22, 34, 38 are preferably formed of a nickel-cobalt-iron alloy. The header also carries a metal, preferably iron, exhaust tube 42.
Patent GB-1114221-A (GB)
Title: Machining process using radiant energy
IPC: B29C59/16
Filed: 1966-03-23
Abstract: In machining material of low power absorption by means of a beam of energy, an auxiliary material of high power absorption is disposed within the material to be machined at least in the machining zone. Glass interspersed with pulverulent metal or metal oxide may be machined by a laser beam.