baber/WOPTO huggingface dataset:
Patent GB-1525447-A (GB)
Title: Apparatus for the continuous formation of plugs of material and their introduction into a pneumatic conveyor pipe
IPC: B65G53/46
Filed: 1977-06-10
Abstract: 1525447 Pneumatic conveyers BUHLERMIAG GmbH 10 June 1977 [12 June 1976] 24431/77 Heading B8A Pneumatic conveying apparatus for feeding plugs of pulverulent and granular material comprises a material supply including an airtight rotary lock 2 and a pair of compressed air pipes 12, 17 feeding intermittently air to a dispatch station 1 and a discharge conveyer pipe 4, respectively. The pipes are controlled by electro-magnetic valves 14, 18 operated alternately by a switching control 24 which may be electrical or pneumatic. Each air pipe 12, 17 has a manually adjustable flow valve 15, 19. The pipe 17 may discharge into the conveyer pipe 4 in the bend 1b downstream of the dispatch station 1.
Patent GB-241187-A (GB)
Title: Device for regulating electric voltages
IPC: H02P9/22
Filed: 1925-10-01
Abstract: 241,187. Naamlooze Vennootschap Machinerieen-en Appuraten Fabrieken. Oct. 9, 1924, [Convention date]. Regulation, automatic.-In a voltage regulator, of the kind in which a carbon pile G is variably compressed under the control of a regulating magnet B, in order that the magnet may not have to overcome that effort of the spring E which balances the reaction of the carbon pile, this reaction is balanced in all positions of the regulator armature C by a spring system K, connected by a flexible link 0 to a point N on a plate M carried by the armature. Studs P may be provided to control the effort of the spring K. The spring E thus serves for calibration only and the magnet strength may be reduced.
Patent GB-408866-A (GB)
Title: Improvements relating to alloys adapted for the manufacture of tools and tool parts
Filed: 1933-09-04
Abstract: Alloys capable of being hot worked and suitable for the manufacture of tools contain iron, 2.5-9 per cent of chromium, 6-20 per cent of molybdenum, 3-10 per cent of tungsten, 10-36 per cent of cobalt, 2-5 per cent of vanadium, 0.5-5 per cent of vanadium, 0.5-5 per cent of tantalum, and 0.73-2.33 per cent of carbon, the ratio of the total molybdenum, tungsten and vanadium contents to the carbon content, the ratio of the chromium to the cobalt content, and the ratio of the molybdenum to the tungsten content being so chosen as to produce a foundation mass having a pearlitic structure containing double carbides.  The said ratios may vary between 15 : 1 and 15 : 2, 1 : 1.5 and 1 : 10, and 2 : 1 and 5 : 1 respectively.
Patent GB-1235693-A (GB)
Title: Sealed electrical storage cells
Inventor: ORSINO J A
IPC: H01M50/176
Filed: 1968-05-22
Abstract: 1,235,693. Sealed accumulators. ELECTROMITE CORP. 22 May, 1968 [22 May, 1967], No. 24526/68. Heading H1B. A sealed secondary cell comprises a container 11, containing electrodes, an inner cover 21, within the container and enclosing the electrodes and an outer cover 35, attached to the side wall of the container, closing it and defining with the inner cover a closed chamber, the inner cover having apertures through which the electrode contacts extend. The apertures are sealed by rings 24. A pressure relief valve 26 incorporates a spring-loaded ball valve 29 and a rubber sleeve valve 34. Gas escaping through the valve is deflected downwards by baffle 42 and then passes through absorbent pads 36-38 containing alkaline salt to remove acid, acidified Na 2 S to remove Pb, Bi, Cu, As, and Sn, alkaline Na 2 S to remove Ni, Co and iron and silica gel to remove water before finally escaping through vent 43. There may be a guide hole (46, Fig. 3, not shown) in the outer cover through which a syringe may be passed to pierce a plug (45) in the inner cover and inject electrolyte into the cell. The plug reseals when the needle is withdrawn. The cell may be an Ag/KOH/ZnO, Ag/KOH/CdO, NiOOH (on sintered nickel)/Cd(OH) 2  (on sintered nickel) or lead/acid cell. Each electrode may be enveloped in a separator comprising two sheets of microporous nylon or polythene sealed around the edge to form a peripheral flange. The positive envelope may include SiO 2  to thicken the electrolyte. The envelopes may have ribs and/or grooves which interlock. The electrode/separator assemblies may be surrounded by a pad of fibrous polythene. In a lead/acid cell the electrolyte may have a specific gravity between 1À210 and 1-300.
Patent GB-1409624-A (GB)
Title: Process for preparing a photoconductive material
IPC: C08F8/28
Filed: 1973-05-23
Abstract: 1409624 Polyvinyl carbazole composition RANK XEROX Ltd 23 May 1973 [23 May 1972] 24595/73 Heading C3P [Also in Division G2] Polyvinylcarbazole is treated with a 3-formyl- N-alkyl-carbazole in the presence of a polyphosphoric acid to yield a triaryl methane pigment. In the embodiments 3-formyl-N-ethyl carbazole is added to an excess of polyvinyl carbazole dispersed in polyphosphoric acid and heated. A coloured polymer is precipitated by adding the reaction mixture to water. The product may be dissolved in methylene chloride and reprecipitated using methanol.
Patent GB-706470-A (GB)
Title: Improvements in or relating to cartons for containing electric lamp bulbs and like fragile articles
Inventor: FOYLE JOHN ROLAND
IPC: B65D5/50
Filed: 1950-02-24
Abstract: 706,470. Cartons. BOXFOLDIA, Ltd. Feb. 16, 1951 [Feb, 24, 1950]. No. 24606/53. Divided out of 706,393. Drawings to Specification. Class 18 The subject-matter is substantially the same as that of Specification 706,393 with the additional feature that the flaps 17, 19 (Fig. 1 of Specification 706,393) may be scored in a manner similar to that of the flaps 21-24.
Patent GB-320468-A (GB)
Title: Improvements in and relating to locks and keys therefor
IPC: E05B35/12
Filed: 1928-08-28
Abstract: 320,468. Leggott, R. B. Aug. 28, 1928. Lock mechanism, master key; lever type; bolts, construction of.-In a multiple-key, lock a rocking catch R engages in indents B<3> in the main tail piece B<1> and in an extra tail-piece A and prevents movement of the main tail piece B<1> until disengaged by the first of two keys. The indents B<3> engage one tooth R<1> of the catch in the locked position and the other tooth R<2> in the unlocked position. The catch R is lifted by one of the key-operated tumblers L and the same movement of the key shoots the extra tail piece A which thereafter prevents the catch R from re-engaging until the main tail-piece is shot by a second key and the indents in the two tail pieces are side-by-side again. Fig. 9 shows the device employed with latch locks in which the main tail piece is separate from the bolt head. The key used for lifting the catch R and that used for moving the main tail piece cannot be altered by filing to perform the operation of each other and still perform their own functions. Specification 177,099 is referred to.
Patent GB-1249809-A (GB)
Title: Improvements in or relating to buckles
Inventor: WOOD REGINALD FRANCIS
IPC: A44B11/12
Filed: 1969-05-14
Abstract: 1,249,809. Buckles. MILLS EQUIPMENT CO. Ltd. 2 April, 1970 [14 May, 1969], No. 24691/69. Heading E2B. . A strap buckle comprises a clamping jaw 14 forced into .strap-gripping engagement with an abutment 13, by a manually operated lever 12, the strap being guided by a guard bar 19. Another strap is permanently secured to the buckle by looping through slot 29 and stitching. The lever has rollers 18 engaging the jaw 14. The abutment 13 slides on pins 15 against springs 35. In use, the gripped strap passes under end 31 of the lever and out at aperture 33. The face 22 of the jaw 14 may be toothed or knurled like the abutment 13. The fixing slot 29 may be at the other end of the buckle, so that the girpped strap then passes through the buckle in the reverse direction.
Patent GB-171794-A (GB)
Title: Improvements in means for automatically governing or regulating the speed of the engines of motor tractors and the like
IPC: G05D13/10
Filed: 1920-08-26
Abstract: 171,794. Armstrong, F. G. G. Aug. 26, 1920. Centrifugal governors; transmitting - mechanism.-A governor for the engines of motor tractors &c. comprises weights E pivoted on a sleeve D slidable on the hollow boss B of the governor. The inner ends e, e<1> of the weight-levers engage opposite pockets b<5>, b<6> in the governor boss, so that, as the weights move about their pivots, the sleeve D is moved along the boss B and actuate the throttle valve through arms g<2>, g<3> carried on a rotatable rod G'. The governor casing is formed of two parts b, b<2> connected by screws b<3>.
Patent GB-1194074-A (GB)
Title: Punched Tape-Feed Mechanism
Inventor: GULYAS JENO
IPC: G06K13/30
Filed: 1968-05-23
Abstract: 1,194,074. Feeding tape in punching machines. ELEKTRONIKAI ES FINOMMECHANIKAI KUTATO INTEZET. 23 May, 1968, No. 24740/68. Heading B4B. [Also in Division F2] A tape-feed mechanism for a punched-tape machine comprises a pinion 17 provided with pins 16 engageable with perforations in a tape 19, the shaft of the pinion 17 having mounted thereon a ratchet wheel 10 engageable by a pawl 8 provided at one end of a pivotallymounted two-armed lever 5 the other end of which is provided with a roller 6 engageable with a continuously rotating cam 2, the engagement of the roller 6 with the cam 2 being interrupted by a spring-influenced pivotally mounted two-armed lever 21 having a projection 24 engaging a projection 25 on the lever 5, the lever 21 being disengaged from the lever 5, to allow stepwise feed of the tape 19, when a roller 26 mounted on the cam 2 engages a track 27 on the lever 21 and when current is supplied to electromagnet 29.
Patent GB-615785-A (GB)
Title: Improvements in window locks
IPC: E05B65/08
Filed: 1946-08-20
Abstract: 615,785. Holders for sliding windows. BANHAM, W. F. Aug. 20, 1946, No. 24806. [Class 44] In a window holder of the type comprising a sliding block 7 adapted to engage the window sash under pressure of a screw 8, the face of the block being roughened by serrations or teeth 15 and engaging a coacting plate 17, similarly roughened, the screw 8 is actuated by a key 14. The sliding block is mounted in a casing on one sash B and the plate 17 screwed on the other sash A.
Patent GB-982203-A (GB)
Title: Improvements in or relating to superconductive circuits
IPC: G11C19/32
Filed: 1962-06-28
Abstract: 982,203. Superconducting circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 28, 1962 [June 29, 1961], No. 24816/62. Heading H3B. A superconductive logical circuit directs the current from a first source 18 between one and the other of two parallel paths under the action of a trigger pulse and the current from a second source 24. The bi-stable device of Fig. 1 has four cryotrons each of which requires a current of two units in its control windings to send it resistive and four unit current sources 18, 24, a bias current supply to terminal 30 and a trigger current supply to terminal 32. If current flows initially with I 2 =1 gate conductor G14 is resistive and hence I 3  = 0 and I 4 = 1. If, now a trigger current is applied to terminal 32, gate conductor G16 becomes resistive and current is transferred from a gate conductor G16 to gate conductor G10. On removal of the trigger current, gate conductor G12 becomes resistive and current changes from gate conductor G12 to gate conductor G14. I 1  is now = 1 and I 3 = 1 leaving the device in its second stable state. A further trigger pulse will now switch the device back in a similar manner. The shift register of Fig. 3 operates in a similar manner except that a shift pulse sets a stage to that state represented by the Iy or Ix current from the previous stage. Cryotrons K52E, K52F and K52G are used to set the stages to zero.
Patent GB-1156767-A (GB)
Title: Improvements in Wipers for Vehicle Windscreens.
IPC: B60S1/38
Filed: 1968-05-24
Abstract: 1,156,767. Windscreen wipers. ROBERT BOSCH G.m.b.H. 24 May, 1968 [26 May, 1967], No. 24821/68. Heading A4F. A yoke assembly for attaching to a wiper arm a windscreen wiper rubber having a reinforcing spring strip includes at least one yoke 13 of channel form, the channel being closed over at least part of its length by strip material 34. The latter may be of plastics and of semi-circular channel section throughout lengths 44, 45 thereof at either side of a central frame-like portion 37 formed with a sleeve 42 for receiving a pin 16 (Fig. 6, not shown) joining the strip 34 to the yoke 13. A hook-shaped spring catch 17 (Fig. 1, not shown) is attached to the sleeve 42 for receiving the hook shaped end of a wiper arm. Channel shaped ends 21, 22 of the strip 34 are interposed between the ends of the yoke 13 and secondary yokes (not shown) attached thereto by rivets 56, and lessen the operating noise of the wiper.
Patent GB-1436066-A (GB)
Title: Self-restoring current limiting device
IPC: H01H87/00
Filed: 1974-06-05
Abstract: 1436066 Self-restoring fuses MITSUBISHI DENKI KK 5 June 1974 [8 June 1973] 24834/74 Heading H2G A self-restoring current limiting device comprises at least one pair of self-restoring elements 10a, 10b each including a pair of terminal members 12, 14 interconnected by electrically conductive material 32 such as sodium, potassium or alloys of these, which vaporizes on overcurrents and depresses pistons 34 in buffer chambers 36, and communicating tubes 40a, 40b filled with said material 32 interconnecting corresponding terminals of the elements 10a, 10b to permit circulation of the said material, at least one of the communicating tubes being fitted with cooling fins 42. An electromagnetic pump 46 may be disposed to circulate the material 32 and cooling may be assisted by an electric blower (not shown). To increase the voltage withstand, any number of pairs of elements may be series connected and may have pressure buffer chambers such as 36, filled with inert gas, disposed in the pumping and connecting blocks 44a, 44b.
Patent GB-334364-A (GB)
Title: Improvements in the preparation of hypochlorites of alkali metals
IPC: C01B11/06
Filed: 1929-08-14
Abstract: 334,364. Szidon, V. Aug. 14, 1929. Cleansing-compositions. - Solid or semi-solid soaps, suitable for disinfecting are obtained by treating solutions of alkali metal hypochlorites with alkali metal salts of saturated fatty acids, preferably of low molecular weight, such as sodium laurate and sodium caprylate. Alkali metal salts such as sodium carbonate or sodium silicate, may be added.
Patent GB-405731-A (GB)
Title: Improvements in fuel-injecting devices for internal-combustion engines and in a method of timing ignition employable with said devices
IPC: F02M49/02
Filed: 1932-09-07
Abstract: 405,731. Oil engines. PARSONS, H., Brampton, Bassett, Southampton. Sept. 7, 1932, No. 24898. [Class 7 (iii).] A fuel-injection device of the type operated by pressure in the cylinder of an internalcombustion engine, comprises a spring-loaded oilfuel displacer that is also a timing device and is devoid of any means for rotating it and that is automatically actuated at the appropriate moment determined solely by the rising of the pressure of the compressible charge in the engine to a height at which it overcomes the spring load, and a non-return device controlling the supply conduit leading to the displacer, a spring loaded delivery valve in the displacer being operated by fuel oil that is displaced. Upper and lower castings 1, 2 form a cylinder in which a plunger 12 is slidably mounted. Fuel is supplied to a space 9 between the castings and passes through ports 10 in the casting 2 and channels 33 in the plunger 12 to a central chamber 62. The top of this chamber is formed by an extension 20 of a nut 21 adjustable in a headpiece 3 to limit the upward movement of the plunger. A spring-pressed needle 19 passes through the extension 20, chamber 26, and plunger 12 and has its end portion 18 enlarged. The portion 18 is disposed in a plug 13 screwed into the plunger 12 and provided with a nozzle orifice 14, the coned upper portion of which is closed by the coned end 16 of the needle 19, 18. In operation, when air pressure in a combustion chamber 5 raises the plunger 12, the ports 10 are closed and fuel is forced from the diminishing chamber 26 through passages 34, 35 to a chamber 17 surrounding the enlarged portion 18 of the needle. The coned end of the needle projects above the nozzle 14 and the fluid pressure raises the needle to provide the injection into the combustion chamber 5. In a modification, fuel is supplied axially down the hollow centre of the extension 20 past a ball valve and the needle and its control spring are housed in a plug corresponding to the plug 13. Specification 389,538 is referred to.
Patent GB-1340133-A (GB)
Title: Helium purification apparatus
IPC: F25J3/08
Filed: 1971-04-19
Abstract: 1340133 Helium purification process CRYOGENIC TECHNOLOGY Inc 19 April 1971 [24 March 1970] 24935/71 Heading F4P Compressed helium discharged from cylinder 138, Fig. 3, is freed of condensible impurities such as water and air by downward passage through a heat exchanger path 52 cooled by pure cold counterflowing compressed helium in a path 51 and at a rate so that the heat exchange occurs over a predetermined temperature range, e.g. 29 to 31 K. until such time that the back pressure developed in path 52 due to accumulation of condensate automatically results in cessation of feed and pure helium flow, followed by warming of the residual helium in path 52 with consequent melting of frozen condensate by indirect heat exchange with a downward flow of pure warm high pressure helium in path 51; the condensates being periodical withdrawn from traps 95, 96 through valved lines 93, 94 after which path 51 is recooled by upward passage of pure cold compressed helium until said predetermined temperature is reached when the feed helium stream is again allowed to flow down path 52. The cold pure compressed helium for path 51 is derived from the high pressure side 16 of a known liquefier 10 and on leaving the upper warm end of path 51 passes along lines 105, 106 to the inlet line 82 of a compressor 83 which discharges through a line 77 to the side 16 of liquefier 10. The so purified feed helium leaving the cold end of path 52 is directed through valve-controlled line 32 to said high pressure side 16. The predetermined back pressure is indicated by a gauge 145 in line 140 whereon a pressure responsive switch 146 closes a feed line valve 152 and opens a valve 147 whilst a pressure switch 86 closes a valve 55 in line 32 and a valve 54 in the cold helium line 33 and also opens a valve 53 in a line 54. At the same time the upper end of path 51 is switched from the compressor inlet line 82 to the compressor outlet line 77 as shown in Fig. 4, and a heater 110 is energized whereby pure warm compressed helium passes downwardly through path 51 and is returned to the low pressure side 17 of the liquefier and to the compressor inlet line 82. Product liquid helium is obtained by expanding precooled pure compressed helium at a Joule-Thomson valve 41; the precooling being effected by turbine expansion at 22, 30 of portions of the compressed helium.
Patent GB-1271872-A (GB)
Title: Method for production of substituted hydroquinones
IPC: C07C37/16
Filed: 1969-05-16
Abstract: 1,271,872. Preparation of hydroquinones; Vitamin K. TAKEDA YAKUHIN KOGYO K.K. 16 May, 1969 [20 May, 1968], No. 24982/69. Headings C2C and C2V. Compounds of Formula I: in which each of R<SP>1</SP> and R<SP>2</SP> is OCH 3  or CH 3 , or R<SP>1</SP> and R<SP>2</SP> together represent and R is a radical where X and Y are H or together represent a second bond and n is 0 or 1-9, are prepared by condensing compounds II: with alcohols of the formulµ or in the presence of an N-sulphinyl compound as condensing agent. In the examples the hydroquinones are not isolated, but are oxidized immediately to the corresponding quinones. Amongst others the examples describe the preparation of the vitamin-2 - methyl - 3 - phytyl - 1,4 - naphthoquinone.
Patent GB-744946-A (GB)
Title: Improvements in or relating to garment display fittings
IPC: A47F7/24
Filed: 1953-09-09
Abstract: 744,946. Display racks for garments. WEINSTEIN, L., and CARLTON FURNITURE CO., Ltd. Sept. 9, 1954 [Sept. 9, 1953 ; Oct. 16, 1953], Nos. 25009/53 and 28666/53. Class 52(5). A garment display fitting for the reception of dress hangers or the like comprises a stem 4 which has notched arms 7 adjustably pivoted thereto and spring-loaded locking means 13 therefor. The fittings are clamped on or formed integral with a display stand, see Fig. 1 (not shown). The opposed arms may be provided with a common locking bar as in Fig. 3 (not shown) or separate locking bars. Again, the spring for loading the locking bar may be arranged externally of the stem 4. Alternatively the arms and stem may be provided with cooperating projections and recesses together with screw clamping means therefor. The top of the stem may have a screw-threaded hole for receiving a price tag or notice. In a modification, the stem is provided with a number of screw-threaded holes of different inclinations to receive rod-like arms having annular ribs or projections.
Patent GB-1483060-A (GB)
Title: Stud and socket fastening
IPC: F16B17/00
Filed: 1975-06-04
Abstract: 1483060 Handles PRITCHARD (PLASTICS) Ltd 4 June 1975 [6 June 1974] 25050/74 Heading A4U [Also in Divisions E2 and F2] A door handle 1 is attached to a door 2 by a double stud socket fastening. Each mounting stem 4 has a cylindrical socket 5 which contains an integral central peg 6. The stud 7 has a hollow shank 9, the bore being smaller than the diameter of peg 6 whilst the external diameter of the shank 9 is the same as the diameter of socket 5. Thus the stud fits tightly into the socket because of the interference fitting of the peg and its consequent effect on the fitting of the shank and socket. The head 8 of the stud 7 is provided with webs 13 and conical projections 14 which bite into the door and prevent the stud components being turned. Fig. 2 shows a similar fastening used for a door knob and Fig. 3 a drawer handle.
Patent GB-425229-A (GB)
Title: Improvements in weighing devices
IPC: G01G1/00
Filed: 1933-09-11
Abstract: 425,229. Weighing-apparatus. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Toledo Scale Manufacturing Co. ; Monroe Street, Toledo, Ohio, U.S.A.) Sept. 11, 1933, No. 25088. [Class 143] A weighing device for determining the variations in weight of nearly equal packets, pistons or other masses comprises a pendulous means to which the load is applied and which is adapted to be held with the combined centre of mass of the load and pendulous means, at one side of a vertical plane passing through the fulcrum of the pendulous means so that the load and pendulous means will tend to oscillate about the fulcrum, releasable means for holding the pendulous means and adapted when actuated to permit oscillation of the pendulous means, and means for indicating the extent of the first swing of the pendulous means for the purpose of determining the weight of the load. As shown, the pendulous means consists of a beam 5 mounted on a fulcrum 4 and supporting a load-receiver 10 which is maintained in the horizontal position by wires 14 and a weight 16. Adjusting weights 21, 23, a loading weight 50 and a sliding poise 19 are provided on the beam, and removable loading weights 17 are carried on the load-receiver. A pointer 44 on the beam co-operates with a graduated scale 43. In using the device the weights 17, 19 are chosen or set to approximate, on the deficiency side, to the weight (previously determined roughly) of the article placed on the loadreceiver 10. A push button is then pressed to energize an electromagnet 31 and withdraw its armature from beneath the tip of the beam. The beam swings downwards and then upwards, the operator observing on the scale 43 the lowest graduation reached by the pointer. As the beam swings upward the operator removes some of the load so that the beam may swing past the armature and open a holding switch 40 to allow the armature again to retain the beam. A socket in the beam at the same time engages a stationary ball 28 to position the beam accurately and retain it in starting position. By removing the weight 50 the pendulum effect of the beam is increased ten fold. A buffer 45 limits the downward swing of the beam.