baber/WOPTO huggingface dataset:
Patent GB-431949-A (GB)
Title: Improvements relating to the regulation of power interchange between electric power lines
IPC: H02J3/24
Filed: 1934-03-08
Abstract: 431,949. Automatic regulation. SIEMENSSCHUCKERTWERKE A K T.- GES., Siemensstadt, Berlin. March 8, 1934, No. 7370. Convention date, March 8, 1933. [Class 38 (iv)] A regulating system for maintaining substantially constant the electric power transmitted through a line connecting two power lines or mains networks together is characterized by connecting in series with the line a choking coil the inductance of which increases with an increase in exchange output. The mains networks 1, 2 are coupled together by a conductor 16. An inductance coil 9 is connected in the line 16 and is provided with a polarizing winding 10 which is energized from a source of potential 11. An inductance coil provided with an air gap may also be used which varies its inductance in dependance on the transmitted power. A motor controlled by a power relay rotates the armature of the inductance coil in the appropriate direction. Alternatively an instrument responsive to the phase angle between the potential vectors of the two mains systems may effect the regulation. A frequency regulator 5 controls the turbine 4 and generator 3 which regulate the power systems of the mains network 1. The mains network 2 is regulated by the regulator 8 which controls the turbine 7 and generator 6. The regulator 8 is controlled by a relay 12 which is influenced by the voltage across the inductance 9 and the movement of the switch of the relay 12 to the upper or lower contacts determines the direction of regulation of the mains network 2. When the power exchange in the line 3 tends to vary, the inductance of the coil 9 alters to maintain the power interchange constant for a short time. Simultaneously the regulator 8 is brought into operation to restore the potential vectors to their original positions. To avoid faulty regulation due to sudden reversal of power transfer, a directional relay 13 energized from current transformer 14 and potential transformer 15 is provided in the regulating circuit. In Fig. 5 over regulation due to sudden variations in potential is avoided by employing the reactive effect in the polarized coil to operate current relays. These relays 40, 41 are included in the D.C. circuits of the inductance coil and the switches are connected respectively to the top and bottom contacts of the relay 12, and control the regulator 8. As soon as the inductance coil 9 commences to approach its normal valve after regulation, the direct current in the coil is weakened and one of the switches of the relays 40, 41 opens to interrupt the regulating operation.
Patent GB-288020-A (GB)
Title: An improved means for transporting sheet metal plates
IPC: B65D19/44
Filed: 1927-03-17
Abstract: 288,020. Reads, Ltd., and Wagstaff, H. March 17, 1927. Vehicle fittings; lifting-cradles.- A carrier for sheet metal plates, which may be used in place of packing-cases for railway transport or may be used for carrying plates at the works, comprises a platform. 1 or 1a with legs 2 or 22 which permit a jack-truck to be run beneath, and a lid 8 or 8<a> which can be clamped upon the plates leaving the edges exposed to facilitate handling, Fig. 1, or leaving clearance round the edges when the carrier is of box form, Fig. 6. In both forms, the carrier may be provided with lifting links 12 or 21. The two legs 2 or 22 extend through the length of the platform. In Fig. 1, the plates rest upon battens 11 and the lid 8 is held against the plates by straps 7 secured by wing nuts 9 on the ends 4 of a bent rod 5 pivoted in brackets 6. Locking pins are provided for the wing nuts. In Fig. 6, the platform is provided with side walls 14 forming a box. Battens 15 on the side walls provide clearance at the edges of the plates, and the loose lid 8<a> is clamped against the plates by the hooked ends 18 of bolts passing through the clearance space and secured by nuts beneath the platform.
Patent GB-871293-A (GB)
Title: Bearings
Inventor: WHITE ALBERT EDWARD SUTHERLAND
IPC: C04B35/01
Filed: 1958-03-07
Abstract: An anti-friction element is formed by sintering a powder composition so that at least the bearing surface contains at least 50% by weight of cobalt oxide and/or nickel oxide.  Mullite or magnesia may also be included in the composition and the element is produced either from the constituted oxides by pressing and sintering in air or argon and oxidising at 1000 DEG C. or from the Ni and/or Co metal powders which are sintered in air or argon and then surface oxidised by heating to 1000 DEG C.  Specification 824,124 is referred to.ALSO:A sintered anti friction element is formed by sintering a powder composition so that at least the bearing surface contains at least 50% by weight of cobalt oxide and/or nickel oxide.  A ceramic such as mullite or magnesia may also be included in the composition and the element is produced either from the waxed constituent oxidided by pressing and sintering in air or by sintering in argon and then oxidizing at 1000 DEG C., or from the Ni and/or Co metal powders which are sintered in air or argon and then surface oxidized by heating to 100 DEG C. Specification 824,124 is referred to.ALSO:An anti friction element is formed by sintering a powder composition so that at least the bearing surface contains at least 50% by weight of cobalt oxide and/or nickel oxide.  A ceramic such as mullite or magnesia may also be included and the element is produced either from the waxed constituent oxides by pressing and sintering in air or argon and oxidising at 1000 DEG C. or from the Ni and/or Co metal powders which are sintered in air or argon and surface oxidised by heating to 1000 DEG C. Specification 824,124 is referred to.
Patent GB-309073-A (GB)
Title: A process and apparatus for reproducing contour lines on maps
IPC: G01C11/00
Filed: 1929-03-07
Abstract: 309,073. Coradi, G. April 4, 1928, [Convention date]. Pantographic apparatus is employed for reproducing the contour lines of a map in such a way that, on the reproduction, they are relatively displaced a definite amount. in order to produce a perspective view. As shown in Fig. 1, the contours I. II, III on a map 4 are reproduced on the same or modified scale on a, map 5 by means of a pantographic apparatus, the displacement of the lines of the reproduction being effected by securing the map 5 to an adjustable slide 6 displaceable relatively to a scale 9. The pole 2 of the pantograph may also be adjustable by screws 13, 14 to obtain correct orientation. The slide 6 may be replaced by a turntable to obtain an oblique displacement while the original and reproduction remain parallel. In the form shown in Fig. 4, whereby straight or oblique displacement can be obtained, the recording stylus 2 is carried by an arm 19 provided with an opening in which a disc 24 formed with a diametrical slot 26 is mounted. The driving- stylus 1 is carried by a slide adjustable to a scale in the slot 26. Adjustment of the disc results in the adjustment of the direction of displacement, and movement of the slide in the slot 26 affects the reproduction ratio. In the modification shown in Fig. 5. the arm 19 is guided on a rod 20a at right-angles to itself, and the rod 20a is carried by a sleeve 20 movable on a rod 21 parallel to the arm 19. The disc 24 carries an arm 27 extending in the direction of the slot 26 and guided by means of a slot on a pivot. 28a mounted on an arm 20<b> on the sleeve 20. With this form, the axes of displacement of the reproductions are parallel to the arm 27. If the pivot 28a is positioned beyond the stylus 1 relative, to the reproductions, the. axes of displacement converge to a single point on the axis X-X. In order to allow for the diminution in the sine of the angle of observation, two toothed wheels 34, 35, corresponding in size with the ratio of the sines of the observation angles, are rotatable together on a common axis and engage respectively with teeth on the arm 27 and on a rod 33 adjustable on the slide carrying the stylus 1. As the stylus 1 moves over a contour line, the arm 27 actuates the wheel 34, and causes the displacement, through the wheel 35 and rod 33, of the slide carrying the stylus. This results in the movement of the arm 19 and the recording-stylus 2.. If the axis of wheels 34, 35 is at the point 28a on the arm 20<b>, displacement, corresponding to that shown in Fig. 5 is effected. The forms shown in Figs. 4, 5, and 9 can be combined with a pantographic apparatus for enlarging or reducing.
Patent GB-985038-A (GB)
Title: Improvements in or relating to electrical signalling devices
IPC: G10K1/066
Filed: 1961-03-01
Abstract: 985,038. Plate vibrators. V. & E. FRIEDLAND Ltd., and J. DOGGART. Feb. 22, 1962 [March 1, 1961; June 7, 1961], Nos. 7522/61 and 20640/61. Heading G5J. A two-tone door chime comprises a base which is formed with two open mouthed cavities, each cavity being scaled with a scaling plate to form a resonating cavity tuned to the frequency of an adjacent tone bar which is mounted on the base together with a sticking means. In the embodiment shown in Fig. 5 two open mouthed chambers 17 are scaled by plates 25 and the two tone bars 14 and 15 are mounted on support pins 33, 34 on the side of the respective cavity at their nodes. The sticker mechanism comprises a plunger with nylon end pieces moving inside two adjacent solenoids, the plunger being returned to its equilibrium position by two springs one of which is stronger than the other so that an energizing and then deenergizing one solenoid only one not is emitted, but in the case of the other solenoid the stronger spring forces the plunger through the equilibrium position to strike the second tone bar thus producing two notes. In the embodiment of Fig. 9 only one solenoid is used. In this case energizing and deenergizing the solenoid produces two notes but energizing through the make and break arrangement using a mercury switch 162 produces a warbling effect. The construction of the casings is described in detail in the Specification.
Patent GB-124320-A (GB)
Title: An Improved Method of Forming Connexions to and between Metal Sheets or Strips.
IPC: B21F15/00
Filed: 1918-05-06
Abstract: 124,320. Marconi's Wireless Telegraph Co., and Woods, F. May 6, 1918. Drawings to Specification. Eyelets.-Two strips are connected together by an eyelet which is inserted into holes in the strips and submitted to pressure in such a way as to clamp the strips together. A strip and a wire are similarly connected by inserting an eyelet into a hole in the strip and putting pressure upon the eyelet so that the strip and wire are clamped together.
Patent GB-579407-A (GB)
Title: Improved electric amplifier
IPC: H04B1/16
Filed: 1944-04-25
Abstract: 579,407. Valve amplifying circuits. B.P.L. (INSTRUMENTS), Ltd., and DIGBY, B. April 25, 1944, No. 7681. Drawings to Specification. [Class 40 (v)] In a circuit for amplifying a specific audio frequency, e.g. for use in an audio frequency bridge or in voice frequency telegraph circuits, positive feed back is used to increase the selectivity. An amplifier is described having two resistance capacity coupled tuned-anode stages, the first of which incorporates a pentode, feed back being taken from the anode of the second stage to the suppressor grid of the first stage, through a blocking condenser and a suitable potentiometer. The screen grid prevents undesirable interaction between the input circuit and the feed-back circuit. The arrangement may be adjusted to be just below the state of self-oscillation. This type of amplifier, it is stated, can also be used for high frequencies.
Patent GB-797155-A (GB)
Title: Improvements in or relating to the manufacture of titanium
Inventor: GRAY JAMES JOHN
IPC: C22B34/12
Filed: 1956-03-13
Abstract: Titanium is manufactured by the reduction of excess titanium tetrachloride with metallic sodium so that about 2 per cent of lower valency chlorides of titanium are present in the product. The product mixture is ground to particles of less than 3/8 inches in size and leached with 0.5 to 2 per cent aqueous acid, such as hydrochloric acid, the leaching step being carried out within 15 minutes and preferably within 5 minutes.  Having removed the bulk of the acidified brine from the titanium metal by decantation, a second leaching may be carried out using the same acid at the same concentration as in the first leaching within a period of less than 5 minutes.  The metal powder is then filtered and dried at 60 DEG C. and in one example quoted, the titanium produced, after arc melting, had a hardness of 140 D.P.N. and a hydrogen content of 0.003 per cent.  Specification 726,367 and 738,149 are referred to.
Patent GB-453522-A (GB)
Title: Manufacture of ethers and esters of paraffin wax
IPC: C07C69/26
Filed: 1935-03-13
Abstract: Ethers and esters of paraffin wax are made by reacting a halogenated paraffin wax, preferably a monohalogenated body, with compounds respectively of the formul  R<1>OM and R<11>COOM, where M is a monovalent metal or one equivalent of a polyvalent metal, R<1> stands for a saturated or unsaturated aliphatic, araliphatic or cycloaliphatic group which may contain oxygenated constituents, and R<11> stands for a saturated or unsaturated aliphatic, araliphatic, aromatic or cycloaliphatic group which may contain oxygenated or other substituents for instance nitro groups.  Examples of metallic alcoholates of the formula R<1>OM are those of ethyl, methyl, lauryl and stearyl alcohols; of crotyl, oleyl, ricinoleyl and linolyl alcohols; of benzyl, tolyl, and b -phenylethyl alcohols; of cyclohexyl, methyl cyclohexyl, naphthenyl, abietyl and di- and tetra-hydroabietyl alcohols; of glycerol, polyglycerol, pentaerythritol, mannitol, glycol, polyglycols, octodecanediol, sugars, starch and cellulose; and of methoxyethanol, methoxypropanol, lauroxyethanol, methoxyethoxyethanol, ethyl lactate and castor oil. Examples of salts of the formula R<11>COOM are the salts of acetic, oleic, levulinic, lactic, stearic, benzoic, a -naphthoic, phenylacetic, toluic, nitrobenzoic, and naphthenic acids; preferably salts of alkali metals are employed, although salts of calcium, barium, silver, lead and copper may be used.  A catalyst may be present; for the esters, sodium acetate, sodium and potassium bromide, and sodium iodide are suitable catalysts; for the ethers, diethylamine, piperidine, pyridine and triethanolamine are suitable. In examples, monochlorparaffin wax is heated with potassium acetate and acetic acid; with potassium stearate, butyl alcohol, and sodium iodide; with potassium stearate and sodium iodide; and with sodium lauroxide, dibutylamine and xylene.  The sodium lauroxide is made by adding a suspension of sodium in xylene to lauryl alcohol and xylene. The products are useful as plasticizing agents in coating compositions and plastics, as impregnating and penetrating agents for paper, cloth, wood, &c., with nitrocellulose, ethyl cellulose and cellulose acetate for making films, rods, &c., for addition to ointments, creams, cosmetics, soaps, oils, textile finishing agents, leather dressings, &c., and as components of polishes.
Patent GB-589733-A (GB)
Title: Method of and apparatus for flaring a pipe end
IPC: B21D41/02
Filed: 1945-03-29
Abstract: 589,733. Flanging. ARMSTRONG WHITWORTH AIRCRAFT, Ltd., SIR W. G., and MACLEAY, J. March 29, 1945, No. 7929. [Class 83 (iv)] Tube flaring means comprises a conical-ended clamp 13, 14 closed by a pneumatic cylinder 18 to secure the tube 15 and a flaring tool 48 eccentrically mounted on a shaft 29 rotated by an electromotor 24 and moved axially by a pneumatic cylinder 41. The cylinders 18, 41 are controlled by a valve 22.
Patent GB-1363571-A (GB)
Title: Moisture leak detector
IPC: G01M3/20
Filed: 1972-02-21
Abstract: 1363571 Measuring humidity electrically ATOMIC ENERGY OF CANADA Ltd 21 Feb 1972 [31 May 1971] 7937/72 Heading G1N A moisture leak detector includes a galvanic cell 10 disposed in a passageway 5 through which an air sample is drawn, the cell including a pair of dissimilar metal electrodes 11, 13 separated by a deliquescent electrolytic element 12 which together with electrode 11 is permeable to the air. Electrode 11 may be of stainless steel wire cloth and constitute the anode, electrode 13 of gold and constitute the cathode and the element 12 may be a sheet of porous cellulose acetate treated with zinc chloride. The external circuitry, Fig. 5 (not shown) is connected to the anode and cathode and includes an amplifier feeding a meter and a threshold circuitry, the latter operating a lamp when the output of the cell 10 increases above a predetermined level due to an increase in the humidity of the air sample drawn through passageway 5. A heater may be provided in tube 2 upstream of the sensor assembly 19 for use when the humidity is excessive, and a voltage is applied to the cell to offset the potential of the cell under ambient conditions. The electrodes may be a brass or constantan/platinum combination and the zinc chloride replaced by lithium chloride. The apparatus may be assembled in the form of a gun Fig. 1 (not shown).
Patent GB-938849-A (GB)
Title: Improved process for the catalytic hydrogenation of methylbutynol
IPC: B01J23/40
Filed: 1962-03-01
Abstract: 2-Methyl-3-buten-2-ol is prepared by the hydrogenation of 2-methyl-3-butyn-2-ol in the presence of a metallic palladium catalyst supported upon barium sulphate or calcium carbonate at a temperature between 30 and 40 DEG C.  The process is preferably carried out at atmospheric pressure.  Specifications 595,459 and 810,913 are referred to.
Patent GB-249567-A (GB)
Title: Improvements in vehicle wheel
IPC: B60B1/00
Filed: 1926-03-23
Abstract: 249,567. Waterbor, E. F. March 23, 1925, [Convention date]. Detachable-rim attachments to wheels. - The channel-section fixed rim 1 is braced 'by a pair of angdalf tie-bars 9 between which a ferrule 12 carried by the detachable rim 8 is adapted to engage. The valve-stem passes through the sleeve 12 and a hole 13 in the fixed rim.
Patent GB-1253554-A (GB)
Title: Improvements in and relating to electrophotographic copying apparatus
Inventor: SUZUKI SHIGERU
IPC: G03G15/10
Filed: 1969-02-14
Abstract: 1,253,554. Indicating toner concentration. RICOH K. K. Feb. 14, 1969, No.8056/69. Heading G2H. The concentration of toner in a liquid developing device, forming part of an electro-photographic copying apparatus, is indicated by comparing toner visible in a translucent portion 9 of a tube 6 with a reference indicator having portions 10, 11, 12 of standard, greater and a lesser concentration. A lump 13 illuminates both the translucent portion 9 and the indicator. A push button 21 of a pump 20 is actuated to supply toner from a tank 16 to the developer tank 1.
Patent GB-180788-A (GB)
Title: Improvements in and relating to magneto-electric machines
IPC: H02K21/22
Filed: 1921-03-15
Abstract: 180,788. British Thomson - Houston Co., Ltd., Young, A. P., and Warren, H. W. H. March 15, 1921. Magneto-electric machines. - In a fly-wheel magneto of the rotating-magnet type two contactbreakers are so arranged and connected that a portion of one half-wave of current is utilized for engine ignition and the whole or a portion of the second half-wave is utilized for supplying a lighting or charging circuit. Fig. 1 shows a stationary armature 4 having two contact-breakers 5, 6 in the primary circuit, the contact-breaker 5 serving for ignition while the contact-breaker 6 is connected to the lighting-circuit, and is operated by cam 8. The cam is controlled by centrifugal weights 9 so that it only closes the contact-breaker 6 when the speed is above a predetermined minimum. Specification 168,106 is referred to.
Patent GB-543457-A (GB)
Title: Improvements in or relating to apparatus for precipitating metal by decomposition of a gaseous compound thereof
IPC: C23C16/08
Filed: 1940-05-06
Abstract: 543,457. Coating with metals. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken.). May 6, 1940, No. 8124, [Class 82 (ii)]. The subject-matter of this Specification is identical with that described in Specification 624,253.
Patent GB-126485-A (GB)
Title: Improved Race Game Apparatus.
Inventor: KEATING WALTER
IPC: A63F9/14
Filed: 1918-05-15
Abstract: 126,485. Keating, W., and Lundy, G. T. May 15, 1918. Race games, mechanical.-Relates to racegame apparatus in which model horses &c. are mounted on arms which are free to move independently round a central spindle, and consists in providing meane for controlling the movement of the figures. Rods d carrying the figures are fixed to arms c mounted on ball bearings on the central spindle t which is driven, to start the figures, by a crank-handle through an endless band and a pulley k. To prevent the figures moving backwards, each arm carries a toothed ring o with which engages a trailing pawl n mounted on an arm m rigidly fixed to the spindle and also carrying a counterweight l. Plates s and t fixed to the spindle are connected by a spring p and a rod A, the former being in front of, and the latter behind the arms e. The bar A serves as a driving-bar and is actuated by a pawl B on the pulley k. If, during the race, one of the arms c strikes the spring p, it causes the bar A to be moved forward so as to give an impulse to any arm that is lagging behind. The rods d project through the usual circular grooves in the table b.
Patent GB-212428-A (GB)
Title: Improvements relating to type drums or cylinders for use by printers
IPC: B41L15/06
Filed: 1923-03-22
Abstract: 212,428. Ericsson, C. O. March 22, 1923. Holders for loose type.- Consists in an improved method and means for securing type-holding bars to printing drums, cylinders, flat magazines, and other supports. The cylinder or other support a is provided with shoulders b<2> on to which the metal a<2> at one edge of the groove is burred or turned over at intervals along the bars to secure the bars to the support. To prevent endwise movement of the bars a groove is formed in the end of the support a, such groove also passing through the ends of the bars b, and a wire or other element is placed in the groove and secured therein by burring over the metal at the edge of the groove. A plate may be secured to one end of the support a to prevent removal of the types at that end.