baber/WOPTO huggingface dataset:
Patent GB-430172-A (GB)
Title: Improved means for use in filling or emptying liquid containers, for sealing or re-sealing them under pressure or for sterilizing them
IPC: B67D1/08
Filed: 1933-12-14
Abstract: 430,172. Valves. BARNES, F. J. T., 184, Breakfast Creek Road, Newstead, Brisbane, Australia. Dec. 14, 1933, No. 35232. [Class 135] [See also Group XVII] A device for filling, emptying, and resealing liquid containers while their contents are under pressure comprises a bung-hole bush 10 which fits within a bush 11 having a packing ring 12 and a threaded annulus 13. Fluid is passed from or into the container by means of two concentric tubes 20, 21 forming a unit slidable into and out of the container the space between them being closed at one end by a plug 22 carried by the tube 21. The outer tube 20 communicates with a pipe 25 and is slidably secured in the bung-hole by means of two nuts 14, 15 and packings 17, 19. The lower end of bush 11 carries a rubber extension 49 grooved to take a valve disc 47 tongues 50 on which engage resiliently in a groove 55 on the end of the tube 21. When the unit 21, 22 is slid into the container the tongues 47 engage the groove 55 after which the valve disc 47 is pushed from the seat so that the unit 21, 22 may be pushed down almost to the bottom of the container. Filling takes place through the tube 25 and the annular space between the tube 21, 22 and venting through the inner tube 21. Emptying takes place through tube 21 and venting through tube 20 by means of openings in the wall. Cleaning e.g. by superheated steam and carbon dioxide takes place through tube 25. When the inner tube 21 is withdrawn the valve disc 47 is again seated across the opening in the extension 49. Analogous forms of valve are shown in Figs. 3, 5, 8, and 9.
Patent GB-605600-A (GB)
Title: Improvements in or relating to cigarettes filled with medicinal smoking mixture
IPC: A24B15/16
Filed: 1945-12-31
Abstract: Medicinal cigarettes especially suitable for treating asthma, are made from leaves of plants of the genus Datura, e.g. Datura stramonium, which are cut into fine strips or threads while dried, but still pliant, and then made up into cigarettes in the normal manner.  The leaves may first be treated with a weak nitrate solution.  A filter tip, comprising a coarse coil of paper, or crepe paper may be added.
Patent GB-212013-A (GB)
Title: Improvements in or relating to mining machines
IPC: E21C35/06
Filed: 1922-12-28
Abstract: 212,013. White, A. E., (Goodman Manufacturing Co.). Dec. 28, 1922. Coal-cutting machines. - A longwall coalcutting machine is mounted on a centrally-disposed shoe 12a adjusted by a single central screw jack 15 through worm gearing 17, 18 operated from either side of the machine; the shoe may extend in one part substantially the length of the machine or may comprise a rear part hinged to the central, motor-containing, section of the machine frame and a front portion rigidly fixed to the machine. The cutter chain sprocket shaft 31 is driven from the motor shaft 21 through bevel gearing 22, 23, spur gearing 29, 30 and a clutch member 39 operated by a sliding camfork 38 and provided with teeth 35 which cooperate with teeth 34, 37 within the gear 30 and on the shaft 31 respectively. The gear case is divided transversely, the rear part 5 being removable to facilitate removal of the part 6 carrying the cutter jib. The cutter jib is adjustable angularly and is held in adjusted position by a pin 9 engaging one of a series of recesses in the part 6.
Patent GB-1121434-A (GB)
Title: Improvements in and relating to the formation of ceramic workpieces
Inventor: PALMER JAMES MORRIS
IPC: B28B3/02
Filed: 1965-08-18
Abstract: 1,121,434. Moulding ceramic powders. BRITISH CERAMIC RESEARCH ASSOCIATION. 18 Aug., 1966 [18 Aug., 1965]. No. 35349/65. Heading B5A. In the formation of ceramic workpieces, e.g. of tableware, by a pressing operation for subsequent firing in a kiln, the ceramic powder 13 is compressed between a lower die 12 and an upper air pervious die 14 through which compressed air is supplied via inlet pipes 21 to distribution grooves 19 on the upper surface thereof, to fluidize the powder 13 whereby it conforms more readily to the configuration of the die surfaces prior to completion of the compaction stroke of upper die 14, which is actuated by an hydraulic cylinder 26 and piston 25. The top die 14, which is mounted in an upper die assembly by a retainer ring 16 and is provided with an impervious peripheral skin 18, e.g. of metal, may be made of previous metal, plaster of Paris, hard foamed material or may comprise 90% sand bound with 10% cold or hot setting epoxy resin and hardener. The top die may also perform only a compacting operation prior to a final pressing by a further non- pervious die. The bottom die 12 may be pervious instead of or in addition to the top die. The powder material may be reconstituted e.g. a ground material which has previously been fired, mixed with binders or may comprise 25% ball clay, 25% china clay, 35% flint and 15% stone which is mixed wet prior to reducing the water content to about 8% by filter pressing and drying.
Patent GB-1247154-A (GB)
Title: Improvements in or relating to closures of electric dry cells
Inventor: PUN CHING-KOON
IPC: H01M6/08
Filed: 1968-07-24
Abstract: 1,247,154. Closure of dry cells. C. K. PUN, and C.C. POON. 11 July, 1969 [24 July, 1968], No. 35369/68. Heading H1B. A dry cell comprising a cup-shaped electrode and a coaxial rod electrode is provided with a plug of electrically insulating plastics material mounted in the open end of the cup-electrode and gripped by its inturned rim and having a central hole accommodating the rod electrode, there being an enclosed annular space between the underside of the inturned rim and the edge of the plug and another between the inside of the hole and the rod electrode, both spaces being filled with sealing material. In one embodiment, Fig. 3, cup-electrode 1 is of Zn and rod electrode 2 of carbon; plug 7 is reinforced with radial ribs 11 and provided with apertures 22 to allow air circulation inside the cell and the outside of the cell is covered by metal sheet 20 and cardboard or plastics insulating member 19. In Fig. 1 (not shown), a cup-shaped spacer element (5) is shown at the bottom of the cell to prevent the depolarizer dolly 3 and the rod electrode from touching the cup electrode. The plug may be made to grip more tightly by making it too large with a hole too small. In a modification, metal contact cap 15 extends to the edge of the cell where it is insulatingly engaged to the rim of the cup electrode.
Patent GB-1117234-A (GB)
Title: Improvements relating to hoists for masts
Inventor: MARTIN DEREK JOHN
IPC: B66B9/187
Filed: 1964-08-28
Abstract: 1,117,234. Builders' hoists. D. WICKHAM & CO. Ltd. 23 Aug., 1965 [28 Aug., 1964], No. 35375/64. Heading B8H. The mast 11 of a builders' hoist is provided with guides for a pair of independent cages 26, 27 and for a cathead 13 supporting a slewing-jib crane 21 and is adapted to be extended a section 12 at a time, each section being raised either by a cage or by the crane. The cathead 13 is provided with adjustable sprags 14 and with rams 22, 23 adapted to be connected to the cages at 38, 39, the cages also being provided with pivoted sprags 36, 37. To extend the mast, a section 12 is raised by the crane and deposited on the top of the mast. The cages 26, 27 are then raised by means of winches 24, 25 and coupled to the rams 22, 23 which are retracted to raise the cages until they are supported on the mast by the sprags 36, 37. The rams are then alternately extended while the cages are secured to the mast and the cathead 13 is released from it and retracted while the cathead is secured to the mast and the cages are released until the cathead is at the top of the additional mast section and the cages are just beneath it, Fig. 3 (not shown). Hoist cables 28, 29, secured at one end to lockable storage drums 31, 32 on the cages 26, 27, are adjusted to appropriate lengths for the new overall height of the mast. The rams are then extended until the cages are supported by the cables, after which the rams are disconnected and normal operation of the cages can be begun, Fig. 4 (not shown). The reeving of the cables 28, 29 is illustrated in Fig. 5 (not shown).
Patent GB-461175-A (GB)
Title: Improvements in or relating to the manufacture of thermoplastic moulding compositions and articles made therefrom
IPC: C08K3/00
Filed: 1935-06-04
Abstract: Rubber is mixed with a softening oil and then with a bituminous binder, a non-fibrous filler and if desired a fibrous filler being also incorporated.  The oil may be pine tar, pine tar oil, wax tailings, hardwood oil, coal tar oils, or mineral oil.  The composition may be moulded, without vulcanization, into battery cases.
Patent GB-1444456-A (GB)
Title: Herbicidal composition
IPC: A01N/
Filed: 1974-08-12
Abstract: 1444456 Mixed herbicides BAYER AG 12 Aug 1974 [13 Aug 1973] 35431/74 Heading A5E A herbicidal composition contains as active ingredients (1) an amidothionophosphoric acid ester derivative of the general formula: wherein R<1> and R<2> are C1-6 alkyl, and R<3> is hydrogen or C1-6 alkyl, and (2) a triazinone derivative of the formula: alone or in admixture with a solid or liquid or liquefied gaseous diluent or carrier. Other herbicides also may be included. The compositions may be used as total herbicides or as selective weed-killers in crops.
Patent GB-467551-A (GB)
Title: Improvements relating to fireproof casings for steel girders, beams and the like
IPC: E04B1/94
Filed: 1936-12-28
Abstract: 467,551. Casings for girders. PROCTER, J. Dec. 28, 1936, No. 35476. [Class 20 (iv)] A method of encasing steel girders of I-or T-cross-section, without the-use of metal ties consists in the application to the flange, or at least one flange, of the girder of pairs of cooperating and overlapping clayware blocks 10, 15 which are arranged alternately in reversed relation and are locked together by keys 19 and cementitious material, the blocks of each pair being of unequal length and being so adapted that, when in position, the shorter block 15 lies within the contour of the longer block 10. Further clayware blocks 24 are arranged on this course of blocks and the space between the blocks and the girder is then filled. Each block 10 is provided with an undercut recess 12 to fit one edge of a flange of the girder and a sole portion 11 which extends horizontally to support the co-operating block 15 which is recessed as shown at 16 to engage the other edge of the girder flange. The vertical edges of the blocks 10, 15 are slotted so as to provide co-operating recesses 13 for the reception of keys 19 and mortar; and cement or mortar is provided between the blocks and the girder. The upper faces of the blocks 10, 15 are provided with recesses 14, 18 and hollow blocks 24 are placed on these blocks and secured by mortar, the space be. tween the blocks 24 and the web of the girder being filled with mortar 25. For encasing a T-section stanchion as shown in Fig. 6, the co-operating blocks 10, 15 are arranged on both flanges and the blocks 24<1> are placed between them. Some of the co-operating pairs of blocks may be slightly broader than the others so that the points between these blocks and the blocks 24<1> may be of staggered form.
Patent GB-873791-A (GB)
Title: Improvements in electric lamp starting and ballast circuits
IPC: H05B41/232
Filed: 1958-11-05
Abstract: 873,791. Supply systems for space discharge lamps; transformers. GENERAL ELECTRIC CO. Nov. 5, 1958 [Nov. 20, 1957], No. 35542/58. Classes 38 (2) and 38 (4)] A starting and ballasting circuit for an electric discharge lamp 16 connected in series with a capacitor 18 comprises a high-reactance transformer 1 having a magnetic core on the centre limb of which are wound the primary winding 2 and the secondary winding 3, the section 5 of the centre limb on which is placed the secondary winding 3 being arranged to have a reduced cross-section compared with the section 4 of the limb over which is placed the primary winding 2, the dimensions of the section 5 having the reduced cross-section being such that the section is magnetically saturated during part of each cycle of the supply voltage and with an open circuit on the secondary winding. The discharge lamp 16 is connected to a tapping 15 on the primary winding 2, the connection of the secondary winding 3 being such that the secondary winding 3 and part of the primary winding are in voltage opposition. The cross-section of the section 5 of the centre limb is preferably 40 to 80% of the section 4 of the limb and the length of the restricted cross-section is between 25 and 35% of the mean length of the secondary magnetic circuit. The magnetizing inductance when the restricted section is saturated is equal to 4 to 20% of the capacitive reactance of the capacitor 18 of the supply frequency.
Patent GB-1176189-A (GB)
Title: Improvements in or relating to Bulbous Bow Hulls
Inventor: WEICKER DIETHARD
IPC: B63B1/06
Filed: 1967-08-03
Abstract: 1,176,189. Bulbous bows. SCHIFFSWERFT " NEPTUN " ROSTOCK VEB. 3 Aug., 1967, No. 35621/67. Heading B7A. A bulbous bow extends, beneath the designed waterline KWL, forwardly of the forward perpendicularVL, and upwardly above the designed waterline, rearwardly of said forward perpendicular. The bulb ends at a height b above the designed waterline equal to the maximum height of the bow wave at full speed if the ship had a conventional bow, and dimensions a, c and d are determined for each ship to be the most advantageous therefor.
Patent GB-889926-A (GB)
Title: Improvements in apparatus for coiling wire
Inventor: RICHARDS SAMUEL HUGH
IPC: B21C47/14
Filed: 1959-10-21
Abstract: 889,926. Winding and reeling. MARSHALL RICHARDS MACHINE CO. Ltd. Oct. 20, 1960 [Oct. 21, 1959], No. 35639/59. Class 83 (4). Wire coiling apparatus of the kind comprising a stationary drum of circular cross-section and means for laying the wire under tension on to the peripheral surface of the drum to form a number of turns of wire moving in the axial direction of the drum includes a finger adapted to oppose resiliently the axial movement of at least some of the turns of wire at a point displaced in the axial direction of the drum from the point at which the wire is laid on to the drum, said finger being arranged to release periodically one turn or a few turns from said resilient opposition. An arm 6, capable of axial movement along and rotation about a rod 5 and held in position by screws 8, 9, carries a platform 7 on which are adjustably secured a carriage 11 and a guide plate 12. The guide plate 12 lies parallel to the longitudinal axis of a drum 1 on which wire is laid in coils 4 by a rotating member and serves to prevent any tendency of the coils to overlap as they pass down the drum. Alternatively the guide plate 12 may be inclined so as to be closer to the drum at its lower end. The carriage 11 has pivoted thereon a finger 13 whose tapered free end is urged upwardly, by an adjustable spring 13 acting against an adjustable stop 22, to engage wire coils and prevent their downward movement until pressure therefrom has forced the finger 13 down so that it releases the lowest coil.
Patent GB-1379798-A (GB)
Title: Colouring of aluminium and aluminium alloys by electrolysis
IPC: C25D11/22
Filed: 1972-07-31
Abstract: 1379798 Colouring anodized aluminium; electro-phoretic deposition HONNY CHEMICALS CO Ltd 31 July 1972 35756/72 Heading C7B An anodized surface of an Al metal or alloy article is coloured by first A.C. electrolysis in an aqueous solution of a salt or salts of one or more Group VIII metals, e.g. selected from sulphates, phosphates, nitrates and acetates of Fe, Co and Ni, formates and propionates of Co and Ni and ferrous fumarate, then D.C. electrolysis with article as anode in an aqueous solution having a conductivity of at least 10Á#<SP>-1</SP> cm<SP>-1</SP> e.g. of Na/KNO 3  or NaCO 3  or the same as that for A.C. electrolysis, or of a water-soluble resin. The article may be coated with resin after D.C. electrolysis by electrophoretic or electrostatic deposition, spraying or dip-coating. The resin may be acrylic, alkyd, acrylic-alkyd, epoxy or phenolic resin, or reaction products thereof with organic amines or NH 4 OH, or mixtures thereof with melamine resins. The counter-electrode in A.C. electrolysis may be of metal or graphite; the cathode in D.C. electrolysis may be a plate of A1 or stainless steel Anodizing may be effected using D.C. in a solution of sulphuric, oxalic or citric acid for KOH or Na 2 CO 3  after degreasing with C 2 HCl 3 .
Patent GB-1435530-A (GB)
Title: Pneumatic tyre and wheel assemblies
IPC: B60C9/14
Filed: 1973-07-27
Abstract: 1435530 Pneumatic tyre and wheel assemblies INDUSTRIE PIRELLI SpA 27 July 1973 [4 Aug 1972] 35828/73 Heading B7C A pneumatic tyre and wheel assembly comprises a tyre 2 mounted on a wheel rim 7 to define a primary inflation chamber 14, a tyre support structure located in the primary inflation chamber to define a secondary inflation chamber 27, and means responsive to the inflation pressure in the chamber 14 falling below a predetermined value to inflate the support structure so that the latter supports the deflated tyre, the support structure including an annular cushioning layer 11 of expandable material which is displaced radially outwardly when the support structure is inflated to form a cushion between the tread 4 of the tyre and the secondary inflation chamber 27. The layer 11 may be made of a cellular material having a major proportion of closed cells, e.g. a vulcanized rubber or a plastics foam, and may be capable of sealing a hole in the tread 4. The support structure may define the secondary inflation chamber 27 alone (Fig. 1) or in conjunction with the wheel rim (Figs. 5 and 7), and may comprise sidewalls supporting the layer 11 which are formed of different material to the layer 11 (Fig. 1) or are formed integrally with, and of the same material as, the layer 11 (Fig. 5). A carcass 24, e.g. of radial cord construction, having beads 25 may be provided inwardly of the layer 11 and integral sidewalls of the support structure as shown in Fig. 5. In an alternative construction, Fig. 7, the support structure again comprises a carcass but the layer 11 is located radially inwardly of the crown of the carcass. The support structure may be inflated by a bottle (30) of liquid gas, e.g. dichloro-difluoro-methane or monochloro-pentafluoro-ethane, located in a cavity (28) in the body of the wheel and connected to the secondary inflation chamber 27 through a valve arranged to open when the pressure in the primary chamber 14 falls below the predetermined value (Fig. 8, not shown). Passage of gas from the bottle to the chamber 27 may cause an out of balance condition in the wheel and tyre assembly so that a driver will become aware that the tyre 2 is deflated.
Patent GB-775139-A (GB)
Title: Production of the antibiotic tetracycline by fermentation
Filed: 1954-12-10
Abstract: <PICT:0775139/IV(b)/1> Tetracycline is produced by cultivating a tetracycline-producing strain of Streptomyces flofaciens (Nov. Spec., especially S4623/33 (Paria University) in an aqueous nutrient solution containing a source of nitrogen, a source of carbon and mineral salts under submerged aerobic growth conditions until substantial antibacterial activity is imparted to the solution and recovering the so produced antibiotic from the fermentation broth. The cultivation is carried out at a temperature of 22 DEG  to 35 DEG C. for 12 hours to one week at a pH of 6.0 to 7.5.  Specified nitrogen sources are barley malt extract, corn malt extract, corn steep liquor, enzymatic casein hydrolysate, peanut flour, soybean flour and cotton bean flour.  Carbohydrate sources are sucrose, dextrose, maltose, starch and dextrin.  Mineral salts are calcium phosphates, ammonium phosphates, calcium carbonate, and the ions of magnesium, cobalt, zinc, copper and sulphate.  The tetracycline is isolated from the fermentation broth in the form of the hydrochloride by acidifying the broth to a pH of 1.0 to 2.0, filtering from the mycelium, adjusting the filtrate to pH 7.5 to 9.0 by e.g. the addition of calcium hydroxide, separating the precipitate by filtration, suspending the precipitate in water and acidifying to pH 1.0 to 4.0, adding to the solution about 1/3 of its weight of sodium chloride and extracting the tetracycline hydrochloride with butyl alcohol.  Tetracycline is an amphoteric compound melting at 175 DEG C.; contains 59.5 per cent carbon, 5.4 per cent hydrogen, 6.3 per cent nitrogen and 28.8 per cent oxygen; soluble in butanol, methanol and ethylene glycol monomethyl ether; insoluble in water and ether; suspension in mineral oil shows absorption in infra red at the following frequencies expressed in microns: 7.63, 7.75, 7.97, 8.1, 8.48, 8.77, 8.93, 9.2, 9.33, 9.55, 9.78, 10.03, 10.37, 10.50, 10.68, 11.18, 11.57, 11.86, 13.11, 12.42, 12.75, 13.70, 14.03 and 14.30; ultra-violet absorption maxima at 220, 268 and 355 mm . Hydrochloride has melting point of 215 DEG  C.  Forms salts with metal, e.g. sodium, potassium and calcium.
Patent GB-885147-A (GB)
Title: Lubrication of turbine or compressor shaft bearings
IPC: F01D25/18
Filed: 1958-11-07
Abstract: 885,147. Lubricating. SULZER FRERES S.A. Nov. 7,1958 [Nov. 29, 1957], No. 35872/58. Class 12 (3). In a turbine or compressor installation, lubricant under pressure is supplied through conduits 4, 41 to bearings 3, 3<SP>1</SP> and also serves as a sealing liquid for shaft seals accommodated in the bearing housing, the lubricant being supplied during the working of the machine by a pump 11 and the lubricating system at all times being maintained under pressure by a pressure accumulator 6. The lubricant is returned to the accumulator 6 through conduits 5, 5<SP>1</SP>. Three collector vessels 17, 171 with inspection glasses 18, 18<SP>1</SP> are provided for receiving leakage oil flowing from the bearings 3, 31. Adjacent collector vessels 171 are under working medium pressure and contain heating devices 19, 19<SP>1</SP> to boil off any working medium which may be present in the leakage oil. Accumulated leakage oil freed from working medium can be returned to the lubricant cycle through a return line 20 with the aid of the pump 11 by closing the regulating valve 15 and opening valves 21 and 21<SP>1</SP>. Lubricant in the storage container 6 is maintained under pressure by a cushion of gas, for example nitrogen, supplied from a gas cylinder 22 through a reducing valve 23. An oil cooler 12 is provided in the oil container 6. A flow regulating valve 15 and filter 16 are provided in the circuit. In a modification, the accumulator is maintained under pressure by a loaded piston.
Patent GB-1039285-A (GB)
Title: Method of continuously producing a coating on at least the inside surface of metal tubes
IPC: C23C2/38
Filed: 1963-09-16
Abstract: <PICT:1039285/C6-C7/1> A tube of e.g. steel is coated on its inner surface with tin, copper, cadmium, brass, bronze or as shown zinc by deflecting the tube by a quadrant 16 to form a loop whilst passing through a bath of molten zinc 15 and providing a sump of molten zinc in the loop. A layer 23 of flux based on zinc and ammenium chloride, floats on the entry end of the sump.  The zinc may be introduced either in molten form through holes at points where the tube is to be subsequently sawn into lengths or as shown in the form of a wire 8a and the level of the sump maintained by varying the diameter of or the rate of feed of the wire.  A measuring instrument based on the use of gamma rays may be used to detect the level of the sump. Instead of simultaneously coating the outside of the tube by immersion it may be coated by electro-deposition.  The temperature of the zinc is maintained between its melting and vapourization temperatures and is preferably 700 DEG C.