baber/WOPTO huggingface dataset:
Patent GB-784624-A (GB)
Title: Improvements in or relating to radio-active polymerization of styrene with unsaturated esters
IPC: C08F20/62
Filed: 1955-09-13
Abstract: A mixture of styrene or alkylated styrene and an unsaturated ester is copolymerized by exposing the mixture to radio-active radiation, particularly gamma rays, of intensity at least 10,000 Roentgens/hour for a time sufficient to increase the average molecular weight of the mixture.  The ester may be a maleate, fumarate, citraconate, mesaconate, itaconate, aconitate, acrylate or methacrylate, or may be vinyl acetate, butyrate or laurate or isopropenyl acetate.  The copolymers may be used as additives to paraffinic, naphthenic or mixed base lubricating oils or to greases, paraffin wax or waxy compositions, Diesel fuel base stocks, domestic heating oil base stocks, mineral seal oil and kerosene.  The oil composition may also contain dyes, anti-oxidants, tackiness agents, pour depressors such as wax-naphthalene or wax - phenol condensation products, and viscosity index improvers such as polybutene and a polyvinyl ether. Specification 589,233 is referred to.ALSO:A mixture of styrene or alkylated styrene and an unsaturated ester is copolymerized by exposing the mixture to radio-active radiation, particularly gamma rays, of intensity at least 10,000 Roentgens/hour for a time sufficient to increase the average molecular weight of the mixture. The ester may be a maleate, fumarate, citraconate, mesaconate, itaconate, aconitate, acrylate or methacrylate or may be vinyl acetate, butyrate or laurate or isopropenyl acetate.  Polymerization may be effected in bulk, in solution in mineral oil, or in aqueous emulsion in the presence of heptane and sodium stearate. Specification 589,233, [Group IV], is referred to.
Patent GB-820433-A (GB)
Title: Improvements in mechanism for feeding bottles and like articles
Inventor: FAIREST DEREK HOWARD
IPC: B65C9/02
Filed: 1957-08-20
Abstract: 820,433. Endless-chain conveyers. MORGAN FAIREST Ltd. Feb. 27, 1958 [Aug. 20, 1957], No. 26216/57. Class 78 (1). Mechanism for feeding bottles 1, Fig. 1, and like articles in a straight path through a labelling-machine comprises an endless conveyer 2, on which the bottles are spaced evenly by a worm 4, and an endless conveyer 6 which forces them between a pair of brushes 7. The conveyer 6 consists of upper plate links 22, Fig. 3, and lower links 23 which are connected by vertical pivot pins 24, 25. These pins travel between guides 27 and are engaged by a driving sprocket 30. Each link 23 has a lug 32, Fig. 2, in which is mounted a pivot 33 at one end of an arm 34 that extends over and beyond the link 22 that overlaps the link 23 at the pivot 24. The other end of the arm 34 extends upwards and bears upper and lower V-jaws 35 disposed symmetrically above the centre line of the path of the bottles 1 along the run 6. The upper end of each pivot 25 carries the boss 36 of a short arm 37 to which is secured a labelling bar 21. This bar is in line with the centre of the V-jaws 35 of the next arm 34. A rod 38 connects each arm 34 to the rear inner corner 39 of the preceding upper link 22. Each link 22 has a notch 40 to receive the pivot end 33 of the preceding propelling arm 34 as the links 22, 23 move from the straight path into the curved path.
Patent GB-350333-A (GB)
Title: Improvements in floating vessels, tanks, bridges and other constructional steel work
IPC: B63B3/14
Filed: 1930-09-02
Abstract: 350,333. Constructional ironwork. SPANNER, E. F., 13, Shooters Hill Road, Blackheath, London. Sept. 2, 1930, No. 26235. [Classes 20 (i) and 20 (ii).] Stiffening members b, c, used in the construction of ships, tanks, bridges, buildings and the like, are connected together at meeting points by rigid angle-profiled or T-profiled connecting pieces a which are stiffened by ribs, bulb edges, flanges or the like, so that although these connecting pieces are designed to have the same strength as the ordinary triangular brackets which pass over the angles between the members connected, their profiles may fall substantially within the profiles of the members connected, leaving the angles between these members free. The connecting pieces may be welded to the members instead of being riveted or bolted.
Patent GB-641003-A (GB)
Title: Improvements in holders for brush stales or other articles
IPC: B25H3/04
Filed: 1948-09-21
Abstract: 641,003. Brackets. DUROSE, R. B. Sept. 21, 1948, No. 26345/47. [Class 52 (v)] A holder for brush stales, in which the stales are gripped by wedge action by means of a pivoted arm having a cam face, comprises a member 1 on the underside of which curved arms 2 are pivotally mounted on brackets 3. The arms 2 project across openings 4 in the member 1 so when a brush stale is inserted upwardly in the opening 4 the pivoted member 2 is raised and when the stale is lowered the arm 2 produces a wedging grip. The arm 2 has a layer of rubber 2a. A tail piece 7 on the arm limits its downward movement.
Patent GB-858870-A (GB)
Title: Improvements in or relating to safety lamps
Inventor: BISHOP WILLIAM NORMAN
IPC: F21L23/00
Filed: 1958-08-16
Abstract: 858,870. Miners' safety lamps. WOLF SAFETY LAMP CO. (W. MAURICE) Ltd. Aug. 17, 1959 [Aug. 16, 1958], No. 26410/58. Classes 75(3) and 75(4). In a flame safety lamp, particularly for testing for methane in mines, having a battery energised filament for re-lighting, the circuit, to the filament is completed by a frangible metal conductor deposited on and substantially encircling the lamp glass. Cracking of the glass therefore breaks the circuit. The conductor may comprise a thin metal layer and may be applied as a transfer, or by spraying, painting or electrolytically and may be fired on to the glass. It may traverse a complete circle on the glass, the ends being overlapped. The device may be used in a lamp of the type described in Specification 858,873 in which two batteries 19 are held in clips 18 mounted on a plate 12 forming the cover of the spirit container 13 and serving as a base for the lamp glass 10. Contacts 22, 23 connect the centre pole of one battery and the sheath of the other battery to supports 26 for the filament. Similar contacts (not shown) connect the sheath of the first battery and the centre pole of the second battery to spring contacts 32, 33 bearing on the ends of the metallic strip 36. The strip may be replaced by a set of narrow bands in parallel through which the flame of the lamp may be observed. Specifications 853,152 and 858,872 also are referred to.
Patent GB-264259-A (GB)
Title: Improvements in liquid dispensing apparatus
IPC: G01F11/28
Filed: 1925-10-23
Abstract: 264,259. Scott, W. Oct. 23, 1925. Fixed - chamber apparatus with several measuring-chambers, means for dealing with froth and provision for continuous flow. - Apparatus for dispensing liquids, primari.ly beer or like liquids, which tend to froth comprises a pair of dome-shaped measuring or other vessels 10, 11, a drip-tray 31, an auxiliary drain vessel 32, and control valves all operated by one handle 56. The cock 23 shown on the left hand side of Fig. 1 is connected axially by a pipe 37 to a cask &c., whence the liquid passes into the vessel 10 through a passage 20. The air and gas from the froth rising with the liquid passes down the pipes 30, 41 and the cocks 23 to the drain vessel 32, and the froth passing over becomes liquid and passes through the pipe 38 to the vessel 11, and thence out through a " transfer " tube 42, the cock 43 being left open. When the lever 56 is thrown over to the delivery position, the ports 22 are connected to the outlet pipes 48 by the ports 47, and the vessels 10, 11 are discharged into a glass &c. placed on the drip tray 31. The cam 60 on one of the valve spindles operates, by means of a spring rod 61, a valve which discharges the drips into the drain vessel 32. When the lever 56 is thrown over to the extreme left, the cask is connected directly, through ports 35, 65, to a spout or pipe 66, by means of which a glass may be filled without using any of the vessels 10, 11, 32. In a modification the two cocks 23 are replaced by one cock, and the " transfer " tube 41 is extended to the bottom of the drain vessel 32, but is perforated just below the tray 31 to prevent frothing.
Patent GB-841992-A (GB)
Title: Improvements relating to nuclear reactors
Inventor: GHALIB SELCHOUK AHMED
IPC: G21C5/08
Filed: 1955-09-16
Abstract: 841,992. Nuclear fuel elements. METROPOLITAN-VICKERS ELECTRICAL CO. Ltd., and BRITISH THOMSON-HOUSTON CO. Ltd. Nov. 22, 1956 [Sept. 16, 1955], No. 26610/55. Class 39(4). A nuclear fuel unit comprises a hollow carrier 1 of graphite with two or more plate-like fuel elements 3 spaced apart. These carriers have slots 2 locating the elements 3 and are of circular or square section. When inserted in a gas-cooled graphite structure to provide a vertical arrangement of elements, the elements are shorter than the carriers, so that they do not support the elements above. Adjacent carriers are arranged so that the fuel elements are parallel (alternatively at right angles) to the elements immediately below. The permanent graphite structure is protected, firstly from deterioration in neutron flux, which is strongest in the hollow member, and secondly from considerable wear when fuel elements are changed.
Patent GB-1168316-A (GB)
Title: Object Carrier, particularly for Interference Microscopes
Inventor: BEYER HERMANN
IPC: G02B21/34
Filed: 1967-06-09
Abstract: 1,168,316. Microscope slides. CARL ZEISS-JENA VEB. June 9, 1967, No.26654/67. Heading G2J. A slide for carrying a liquid whose refractive index is to be determined, using an interference microscope, comprises a transparent plate 1 with a rectilinear groove of a depth in the order of 10 microns and a breadth at its surface of less than the diameter of the object field of the associated microscope, but greater than the breadth of the bottom of the groove. As shown the groove is trapezoidal in section. A formula is given in the Specification for the maximum gradient of the side faces 4, 5. In order that the interference fringes shall always be measured at the same part of the groove an index mark 10 is provided.
Patent GB-305913-A (GB)
Title: Improvements in apparatus for feeding paper sheets
IPC: B65H1/04
Filed: 1928-09-18
Abstract: 305,913. Philipp, F. von, and Philipp, H. von. Sept. 18, 1928. Pile supports.-In a device, for separating and feeding sheets from a fanned out pile such as is described in Specification 294,801, the pile of sheets is supported upon a rack formed of a number of curved rods g adjustably secured to a shaft c fitted at its ends with rollers d adapted to move over rails b as the pile is advanced. The sheets can be placed on the rack before it is introduced into the machine, and the outer curved members g' of the rack may be formed with hooks for securing the rack to narrow outer belts 27<a> of the conveying belts which advance the pile. In the lower part of Fig. 1, the rail b is arranged near the lowest conveyer in a machine of the kind described in Specification 294,801 in which three sets of belts are used. The table 30 arranged in conjunction with the belts 27 mav be formed with grooves 30<a> to receive the ends of the rods g. If only the upper set of belts is employed the sheets may be placed on the upperset of curved rods g.
Patent GB-1080848-A (GB)
Title: Treatment of bayer process liquor
IPC: C01F7/47
Filed: 1966-06-15
Abstract: Dissolved chromium and/or silicon is removed from the aqueous alkaline slurry, obtained by digestion of an aluminous ore with caustic alkali solution, by adding black sand (ferruginous alkali-insoluble bauxite digestion residue) to precipitate an insoluble compound of chromium and/or silicon.  5 to 20% by weight of black sand based on the aluminous ore may be used and the aluminous ore is preferably Jamaican bauxite and the black sand derived from Arkansas bauxite.  The resulting precipitate is removed from the clarified liquor from which alumina hydrate may be precipitated and calcined to form calcined alumina, containing less than 10 parts per million of Cr2O3.
Patent GB-943402-A (GB)
Title: Improvements relating to copying processes
Inventor: GAMES ABRAM
IPC: G03B27/30
Filed: 1960-02-04
Abstract: 943,402. Copying documents. IMAGIC PROCESS Ltd. Feb. 4, 1960, No. 26763/63. Divided out of 943,401. Heading B6C. [Also in Division G2]  In a method of producing a negative copy of an original design, the original to be copied is located in contact with a sheet bearing a surface layer of oil and oil is caused to evaporate from the sheet under the influence of heat over areas representative of the original design to leave a negative image. The image is developed as described in Specification 943,401.
Patent GB-747833-A (GB)
Title: Improvements in or relating to crushers
Inventor: SUTTILL ALBERT
IPC: B02C2/06
Filed: 1953-09-30
Abstract: 747,833. Crushers. PEGSON, Ltd. Aug. 24, 1954 [Sept. 30, 1953], No. 26864/53. Class 59. In a crusher of the cone or gyratory type provided with a downwardly-tapering crushing gap, each of the opposed crushing faces is provided over its complete surface area, or a part or parts of this area including at least the lower part, with a plurality of vertically-spaced projections which combat any tendency of the material to travel back upwards between the crushing faces without the spaces between the projections forming pockets in which a significant amount of the material is accumulated. The teeth may be continuous or interrupted and may be disposed helically. In the gyratory crusher shown, the head 1 and concave 9 are provided with facing elements 14, 15, 18 and 19, the element 14 being smooth and the elements 15, 18 and 19 having horizontally-extending teeth or ribs 13. According to the Provisional Specification, the teeth or projections may be provided on only one crushing face.
Patent GB-315624-A (GB)
Title: Improvements in whistles
IPC: G10K5/00
Filed: 1928-09-20
Abstract: 315,624. Petrie, E. R. Sept. 20, 1928. Whistles are formed of two parts 10, 11, Figs. 2 and 3, detachably connected by means of a bead 31 engaging a groove 18 so as to facilitate cleaning. The part 10 comprises an inverted box-like member formed by a top 12, sides 13, and an end 14, the top half 15 of the mouthpiece, a discharge aperture 16, and spring members 17 which form an adaptable finger ring. The part 11 includes a second boxlike member formed by a bottom 19, sides 20, and an end 21, a forwardly and backwardly directed portion 24 forming the lower half of the mouthpiece, and an arcuate member 26 constituting a sound chamber which may contain a ball 28. In a modification, a two-tone whistle is obtained by forming the member 26 into two arcuate sections, an additional discharge aperture being provided in the top 12 of the part 10.
Patent GB-1430785-A (GB)
Title: Bis-acylamino-acridines
IPC: C07D401/14
Filed: 1973-06-06
Abstract: 1430785 Bis(acylamino)acridines BOEHRINGER INGELHEIM GmbH and DR KARL THOMAE GmbH 6 June 1973 [7 June 1972] 26995/73 Heading C2C The invention comprises compounds of formula and their acid addition salts, wherein R 1 , P 1 <SP>1</SP> are each H or Me; R 2 , R 3  are each H, C 1-6  alkyl (possibly substituted by OH or C 1-6  alkylamino), cycloalkyl, aralkyl or aryl, or NR 2 R 3  is heterocyclyl; and A is C 1-3  alkylene (possibly aryl-substituted). In examples, these compounds are prepared by (a) reacting a 3,6 - bis - (halo - A - carbonamido)acridine with HNR 2 R 3 , or (b) acylating 3,6-diaminoacridine. Therapeutic compositions comprise compounds of the above formula, which induce interferon formation, and may be administered orally, parenterally or rectally.
Patent GB-191796-A (GB)
Title: Improvements in vessels for containing fluids under pressure
IPC: F17C1/00
Filed: 1921-10-12
Abstract: 191,796. Jaubert, G. F. Oct. 12, 1921. Seamed joints.-A container for fluids under pressure is formed with internal ends which are supported against the fluid pressure by buttresses formed by indentations in the walls beyond the. ends, a filling of solder assuring a tight joint without withstanding the bursting strains. Fig. 1 shows a container into which the ends 2 are first introduced, buttresses for them being formed by constricting the sides at the parts 3, for example by a pressing-wheel, the ends resting on the constriction are made gastight by a soldered joint 5; in a modification, the concavity of the ends 2 may be reversed.
Patent GB-238422-A (GB)
Title: Improvements in and relating to metallic doors for bathroom cabinets and the like
IPC: E06B5/00
Filed: 1924-11-15
Abstract: 238,422. Freeman, S. S., and Service Supply, Ltd. Nov. 15, 1924. Door bodies and panels; glazing.-A metallic door for a bathroom cabinet, cupboard, &c. is fitted with a mirror f supported at the front by a one-piece rebated flange g integral with or sol-. dered to the door and at the back by a plate having a sunk panel h<1> surrounded by a bead i and securing flange i<1>. Ribs may be provided to hold the mirror away from the plate, and packing strips f<1> of felt &c. and rubber, putty, &c. m may be interposed between the mirror and frame. The door body may be provided with ribs l which may conceal the. screw heads. The door is preferably coated with white enamel, the screw heads being thereby concealed. Specification 7989/11 is referred to.
Patent GB-1579976-A (GB)
Title: Plate cylinder for rotary printing machine
IPC: B41F27/12
Filed: 1977-06-30
Abstract: The attachment device arranged in the gap (2) of a forme cylinder (1) consists of a longitudinal stand which can be installed and removed, without demounting the cylinder (1), by subdivision into a lower and an upper part (5a, 5c). The longitudinal stand bears spindles (6, 6') with attachment strips (7) which are attached adjustably by setting screws (10) via arms (11) counter to the force of spring pressure bolts (16), and also bears register pins mounted adjustably in blocks. As a result, the alignment of printing plates (3, 4) in the circumferential and lateral direction can be undertaken conveniently and the attachment operation can easily be observed. <IMAGE>
Patent GB-219221-A (GB)
Title: Improvements in and relating to bodies of motor road vehicles
IPC: B60J7/047
Filed: 1923-11-01
Abstract: 219,221. Barker & Co. (Coachbuilders), Ltd., and Munday, C. Nov. 1, 1923. Hoods.-A collapsable or folding cover for the forward part of a motor vehicle body comprises an open-fronted hollow cross-rail 2, Fig. 1, located at the front of the rear part of the body and carrying two pivoted spars or side formers 3 the pivots of which are arranged at an angle to each other to permit the spars to be folded one over the other, each spar being provided at its outer end with a thumb screw 11 to adapt it, in its extended position, to be secured to one of the pillars 5 of the windscreen and to a front crossrail to which is secured the front of a leather cover 7 secured at its rear edge to the cross-rail 2. The spars 3 are tapered towards their outer ends to fit snugly in the cross-rail 2. Lips 8, Fig. 5, on the cover 7 engage lips on the spars 3 to ensure weather-tight joints, and the cover is pulled taut by V-shaped projections 15 on the ends of the cross-rail 2 which engage corresponding notches 14 in the spars 3. In the inoperative position, the cover is rolled on the front crossrail which rests within the rear cross-rail 2. The under surfaces of the spars may be shaped to receive sliding windows carried by the doors.
Patent GB-403495-A (GB)
Title: Improved manner of construction of bridges of standardized members
IPC: E01D15/133
Filed: 1932-10-03
Abstract: 403,495. Bridges. EVERALL, W. T., North Western Railway, Moghalpura, Lahore, Punjab, India. Oct. 3, 1932, No. 27457. [Class 20 (i).] A bridge, girder, or truss of variable span of the type described in Specification 228/86, [Class 20, Buildings &c.], is built up of standardized members each of such length and dimensions as to be easily transportable, similar members being used in either the booms or web members so as to be interchangeable and to form isosceles triangles so that the boom members abut at their adjacent ends. The system is applied to either " throughspan " or " deck-span " bridges, and for bridges of great length, parts are duplicated to increase their strength. The standardized parts described are channel-section bars and extensions, gusset plates, and built-up struts. The upper and lower booms of the girders are similar and are each formed of a series of channel-bars 1 with ends of members abutting and connected by gusset plates 7, and arranged with their flanges towards each other as shown in Fig. 16, the channel-bars being connected by cross plates 2. Similar channel-bars, cross connected, are used to form the diagonal connectors 5, 6, between the upper and lower booms, and suitable clearance is provided by the gusset plates between the ends of the diagonal connectors and the boom bars so that the triangulation is isosceles. Where the span exceeds a certain number of bays, the booms for a certain portion of their lengths may be doubled by connecting bars back to back, as shown in Fig. 17, and cross connecting them by standardized drilled connectors 14, Fig. 15 ; the diagonal connectors between the booms may also be doubled as required and as shown in heavy lines at the right end of Fig. 1. The booms on each side of the girder are connected by similar standardized channel-bars 24 of the same length, assembled with their flanges pointing away from each other, and to provide a wide deck these may be joined by standardized connectors 25, so as to protrude beyond the booms, where they support moulded gutter plates 29, the decking, and the side rails 30, Fig. 2. Suitable diagonal bracing may be used between the girders. For a " through-span " bridge, Fig. 12, certain of the transverse connectors may be provided with extensions 32 to carry built-up bracing members 33, 35, secured to the upper booms at 36, and for long-spans in this type of bridge, K-bracing 38, Fig. 13, may be used in the end bays of the bridge.
Patent GB-339942-A (GB)
Title: Improved means for retaining bootlaces in position on boots
IPC: A43C7/08
Filed: 1929-09-10
Abstract: 339,942. Gasson, T. Sept. 10, 1929. Lacing-fastening.-A device for retaining laces in position on boots consists of a strip of material fixed to the back of the boot upper and having between its upper and lower ends a transverse channel through whibh the lace is pasted. Fig. 3 shows a strip of leather 4 sewn to the boot upper and carrying two loops 5 for holding the lace. Alternatively the loops may be sewn directly on to the boot, upper. Fig. 4 shows a U-shaped metal clip adapted to be sprung over the top of the boot and having two transverse channels 9 in its outer limb to receive the lace.