baber/WOPTO huggingface dataset:
Patent GB-775875-A (GB)
Title: Process for the production of substances which increase the capacity for reaction ofliquids, vapours or gases
Inventor: HOFER KARL
IPC: B01J37/08
Filed: 1954-01-25
Abstract: Materials which impart energy to fluid media in which they are practically insoluble and with which they do not react are prepared by producing a basic or complex salt from a solution or solutions having a total dissolved solids content of at most 5g/1 and at leat partially decomposing said salt by heating at substantially the minimum decomposition temperature or by oxidation or reduction in solution at room temperature. Preferably the basic or complex salt is obtained as a solid before decomposition, e.g. by evaporation of a solution, by precipitation from solution, or by impregnating a catalyst carrier with a solution to form a viscous mass and subsequently drying. In examples, (I) asbestos wool is impregnated with a copper sulphate solution and stirred to form a viscous pasty mass which is then stirred into caustic soda solution; excess water is removed and the mass heated at 220 to 250 DEG C. to leave a copper oxide catalyst; (II) nickel sulphate is dissolved in water, ammonia is added and diatomaceous earth is stirred in; this mixture is then added and chlorine water and nickel superoxyhydrate NiO2.H2O is precipitated on the diatomaceous earth which is then separated from excess liquid, washed and dried; this material may be used in the hydrogenation of hydrocarbons: (III) silver nitrate is dissolved in water and a potassium-sodium tartrate solution, ammonia and a solution of potasium permanganate are then successively added; bentonite is stirred into the resultant mixture and the product stirred into a solution of dihydrazine sulphate to which ammonia has been added. Highly active metallic silver is thus precipitated on the bentonite particles, liquid is separated and the material is dried. Alternative carrier materials are porous limestone, porous clays, silica gel, active carbon, cellulose and synthetic materials capable of swelling.  When an oxygencontaining water is passed over the catalyst of Example (I) and a quantity of sulphite added thereto, the oxygen is stated to combine much more readily than in the case of untreated water.ALSO:Water is filtered through a catalyst consisting of active metallic silver on a bentonite carrier (see Group III) to destroy pathogenous germs.  Similar germs subsequently entering the water are also destroyed.  Alternative carriers are porous limestone, diatomaceous earths, porous clays, asbestos, silica gel, active carbon, cellulose and synthetic materials capable of swelling. When an oxygen-containing natural water, of which the oxygen is to be removed by the addition of a sulphite, is first passed over a catalyst containing copper oxide (see Group III), the oxygen is combined within 25 minutes at room temperature after the addition of the theoretical quantity of sulphite plus 30 per cent. in excess.
Patent GB-204006-A (GB)
Title: Improvements in roller blinds
IPC: E06B9/78
Filed: 1923-01-24
Abstract: 204,006. Bird, F. Sept. 14, 1922, [Convention date]. Roller - blinds, pawl and catch engagements for.-The periphery of one fixed flange 3 of the cord pulley 3<a> is provided with a number of notches 8 for engagement with the bent-out end 15 of a counterweighted pawl 7 pivoted at 20 to the supporting bracket 5. A stop 21 limits the movement of the pawl 7 which may be positioned above, at the side of, or below the pulley. In order to facilitate the release and locking of the pawl, the flanks of the notches 8 are inclined as shown in Fig. 3, the edge 18 of the pawl being correspondingly bevelled.
Patent GB-1115256-A (GB)
Title: Liquid transfer installation
Inventor: DUFRESNE JACQUES
IPC: G21F7/06
Filed: 1967-01-16
Abstract: 1,115,256. Tapping bottles; caps for bottles. COMMISSARIAT A L'ENERGIE ATOMIQUE. 16 Jan., 1967 [28 Jan., 1966], No. 2217/67. Heading B8T. [Also in Divisions B4 and F2] A device for transferring radio-active &c. liquid between two sealed bottles comprises a block 2, Fig. 1, formed with a pipe 6 connected to two hollow piercing needles 8, Fig. 3, each within a telescopic tubular sheath 14, 16 closed at its outer end by a self-sealing pierceable diaphragm 30. The pipe 6 is connected through a valve 10 to a vacuum source 11, through a valve 12 to a rinsing circuit 13, and through a valve (not shown) to atmosphere. Bottles 38, Fig. 2, closed by self-sealing pierceable diaphragms 54 are mounted in a shielding support spaced apart by the distance between the needles 8. The block 2 is lowered by remote control so that caps 26, Fig. 3, engage the necks of the bottles 38 and the telescopic sheaths 14, 16 are collapsed against spring bias, the needles 8 piercing first the diaphragms 30 and then the bottle-closing diaphragms 54. Next the pipe 6 is connected to vacuum, and liquid siphons from one bottle 38 to the other. On completion of liquid transfer, a small amount of decontaminating rinse is admitted through the valve 13 and the block 2 is raised, the needles 8 reentering the diaphragms 30. Additional decontaminating rinses may be effected if required. Caps for bottles.-Each bottle 38, Fig. 2, has a neck 43 formed with pins 50 engaged by bayonet slots in a sleeve 48 carrying a metal ring 52 mounting the diaphragm 54. The latter comprises a self-sealing latex &c. layer 54a and a foil layer 54b resistant to radiation and corrosion.
Patent GB-1335264-A (GB)
Title: Process for the manufacture of cephalosporin c
IPC: C07D501/28
Filed: 1971-01-18
Abstract: 1335264 Induced mutation of micro-organisms CIBA GEIGY AG 18 Jan 1971 [21 Jan 1970] 2247/71 Heading C6F [Also in Division C2] Cephalosporin C is manufactured by fermenting a mutant of strains of the genera Emericellopsis or Cephalosporium, which mutant is auxotrophic towards organic sulphur compounds which are precursers of Cephalosporin C, in a nutrient medium which contains one or more of the organic compounds or derivatives thereof which can be transformed into the compounds by the mutant. The mutant is auxotrophic towards methionine (including the sulphoxide and sulphone), cysteine, cystine, homocysteine, homocystine, cystathionine and S-methyl-cysteine. The mutants are prepared by conventional procedures which are set forth in detail.
Patent GB-162363-A (GB)
Title: Improvements in supporting means for lamps or the like
IPC: F21V21/26
Filed: 1920-01-24
Abstract: 162,363. Sayer, R. C. Jan. 24, 1920. Supporting.-A lamp support comprises a heavy base 1 to which is jointed a tube 3 on the top of which a part 4 carrying a lamp 7 is mounted so that when the tube 3 is moved about the joint 5 the lamp is maintained in a vertical position. A chain 13 passes over a double pinion 12 and a pinion 14 secured to a quadrant 15 engaging the part 4, the friction in the joints retaining the lamp in the position in which it is set by hand adjustment. Adjustment may alternatively be made by a tangent screw 11 operated by a handle 11<a>. Cross arms 8 may be formed on the part 4 to support additional lights.
Patent GB-675730-A (GB)
Title: Improvements in or relating to thermosensitive resistance elements
Inventor: JACOBSEN BENT BULON
IPC: H01C7/04
Filed: 1951-01-30
Abstract: 675,730. Temperature-variable resistors; non- metal resistors; casings, enclosures and mountings for resistors. STANDARD TELEPHONES & CABLES, Ltd. Jan. 30, 1951, No. 2298/51. Class 37. To reduce heat losses in an indirectly heated thermistor assembly the heater winding 7 has leads coiled as at 9, 10 and is arranged to enclose a section of each of the thermistor fine-wire terminal leads 2, 3. The latter, as shown, emerge from one end of the heater winding 7 and from within a cylindrical casing 6 of electrically non-conducting cement at whose centre is embedded the thermistor bead 1. A metal tube 8 with a polished outer surface surrounds the heater winding 7 and has dimensions to ensure that by its presence there is improved heat resistivity. The assembly supported by-heater winding lead-out conductors 11, 12 is mounted in an evacuated envelope. Specification 555,563 is referred to.
Patent GB-257164-A (GB)
Title: Improvements relating to wind musical instruments
IPC: G10D9/04
Filed: 1926-01-26
Abstract: 257,164. Goldstein, J. Jan. 26, 1926. Wind instruments; whistles.-A musical nosewhistle a is combined with a piston-whistle c sounded by a portion of the same air-stream, to enable duets to be played. The whistle a comprises a curved sealing a' for the nostrils, with aperture a<3> leading to the wind-chamber a', from which the wind issues by a passage b' against a slot b<2> in the mouth-plate b. The metal cut from the slot b<2> is turned up to form a positioning-means b<3> for the upper lip. The upper end of the piston-whistle extends into the windchamber a<1>, and is split at c<1> and opened out. The orifice c' is preferably D-shaped.
Patent GB-689488-A (GB)
Title: High voltage transformers
IPC: H01F27/34
Filed: 1951-01-30
Abstract: 689,488. Transformers. MASCHINTENFABRIK OERLIKON. Jan. 30, 1951 [Feb. 15, 1950], No. 2375/51. Class 38 (ii). The layer or layers of the high voltage winding of a transformer nearest the low voltage winding 2 are divided into two or more parallel strands 3a, 3b, which cross over so that they are equally placed with respect to the leakage field. In this way the number of layers 3 may be kept small with low leakage losses, without increasing the leakage flux by having fewer turns in the windings. To reduce the effect of voltage surge, the innermost layer of all, and the outer layer may have fewer turns and be undivided, Fig. 4 (not shown), and an electrostatic screen 6 may be connected to the high voltage terminal.
Patent GB-554086-A (GB)
Title: Improvements in and relating to contact arrangements for electric switches
IPC: H02K11/00
Filed: 1942-02-25
Abstract: 554,086. Switch contacts ; centrifugal switches. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 25, 1942, No. 2454. Convention date, Feb. 25, 1941. [Class 38 (v)] For operation particularly by the movement of a collar a lug a shaft under the influence of centrifugal weights a switch mechanism comprises a contact finger with a moving contact mounted on an actuating arm pivoted to a support which carries the co-operating fixed contact tension means such as a spring biasing the finger and arm towards the support. In the example, the collar 21 presses the actuating arm 34 into the position shown, the contacts 30, 37 being together, the biasing spring 43 being stretched not only by the leverage of the arm 34 on its fulcrum 35 but also by that of the contact finger about its fulcrum 52. By this arrangement there is a small pressure on 34 with a contact pressure much greater.
Patent GB-1353579-A (GB)
Title: Device for detachably securing a flexible sheet to a supporting  framework
IPC: E04H15/64
Filed: 1973-01-17
Abstract: 1353579 Clamps BARRACUDAVERKEN AB 17 Jan 1973 [20 Jan 1972] 2516/73 Heading E2B A device for detachably securing to a frame member 16 Fig. 3, an edge of a flexible sheet 32 of reinforced synthetic plastics foil, for example, the sheet 32 having a bead 36 of bulbous section along said edge, comprises a securing strip 26, having flanges 40, 42 connected by a portion 44 thereof to form a groove which receives the bead 36, a clamping rail 30, having a flange 48 forming an engaging surface 50, and a bolt 22 which is received by holes 20, 24 and 28 in the frame member 16, securing strip 26 and clamping rail 30 respectively. The flange 40 of the securing strip 26 is provided with a hook portion 46 which retains the bead 36 in the groove formed between the flanges 40, 42 of the securing strip 26. A nut 38 on the bolt 22 is tightened to effect clamping and the securing strip 26 is deformed as shown in Fig. 4. The clamping rail 30 is made of metal; the securing strip 26 is made of synthetic plastics material and both may be formed as shown so as to clamp an edge of each sheet 32 and 34. Framework 10, Figs. 1 and 2, comprises outer frame members 12, 14 and an inner frame memiber 16 which is connected to the outer frame members by stays 18.
Patent GB-641831-A (GB)
Title: Improvements in and relating to epicyclic gears
IPC: F16H3/66
Filed: 1948-01-28
Abstract: 641,831. Variable-speed epicyclic gearing. SELF'-CHANGING GEAR CO., Ltd., WILSON, A. G., and MILLER, A. A. Jan. 28, 1948, No. 2533. [Class 80(ii)] An epicyclic two-speed gearing comprises a first speed train having a sun wheel 2 on an input shaft 1, planetary pinions 3 carried by a planet carrier 3a on an output shaft 4 and a reaction annulus 5 controlled by a brake 6, compounded with a second (lower) speed train having a sun wheel 7, a reaction annulus 10 controlled by a double brake 11 and a planet carrier 8a carrying pairs of intermeshing planet pinions 8 connecting the sun and annulus, the arrangement being such that the annulus 5 and planet carrier 3a are rotationally connected with the sun 7 and the planet carrier 8a respectively. In a modification the planet carrier 3a and annulus 5 are rotationally connected with the sun 7 and planet carrier respectively. A further modification describes the addition of a reverse gear to the second speed train, comprising a brakeable annulus, a planet carrier keyed to the output shaft and a sun rotationally connected to either the planet carrier 5 or the sun 7 respectively. Further modifications describe the addition of both embodiments of the invention, with or without reverse gear, to provide an emergency low gear in a multispeed compounded epicyclic gearing.
Patent GB-547414-A (GB)
Title: Improvements in or relating to tubulous boilers
IPC: F22B37/32
Filed: 1941-02-25
Abstract: 547,414. Centrifugal separators. BABCOCK & WILCOX, Ltd. Feb. 25, 1941, No. 2537. Convention date, July 18, 1940. [Class 23] A centrifugal separator for steam and water' is used in a tubulous boiler of the kind described in Specification 526,825, and has a tangential entry extending over approximately one third of the periphery of the drum 26; the entry has grid like means dividing it into a number of tangential entries. These means comprise vanes 44 .. 51 supported between flanges 52, 54, and the flange 52 with the lower part of the separator is supported by the curved plate 56 secured to the wall of the drum 24. An enclosure 58 is thus formed and to this is admitted the mixture of steam and water from the pipes 60 ... 68. The mixture passes between the guide vanes into the separator and the separated steam passes upwards through the opening 28 to the steam space 80 of the drum 24 and the circulating pipes 82, 83, 84. The water passes downwards through an annular outlet 30 provided with helical guide vanes 40, back to the headers at the bottom of the furnace chamber. The diameter of the separator drum 26 is nearly as great as its axial length.
Patent GB-213225-A (GB)
Title: Improved device for dispensing liquids in measured quantities by volume
IPC: A47K5/12
Filed: 1924-01-31
Abstract: 213,225. K³ndig, F. March 23, 1923, [Convention date]. Moving-chamber apparatus. - A construction and arrangement of apparatus is described of the type having a rotary plug provided with two measuring pockets, one being filled while the other is emptying. The vessel 1 is secured by a screwed bush 17 to a pipe 2 carried by a bracket 10. The pipe 2 ends in a plug casing and a nozzle 8. The plug 4 is formed with two measuring pockets 5, 11 and two bores 6, 12 adapted to communicate by way of passages 7, 13 with the atmosphere. The plug 4 is fitted with a handle 9 and with a pin 15 projecting into an opening 14 on the wall of the casing to act as a stop for the plug. Specification 5914/15 is referred to.
Patent GB-208422-A (GB)
Title: Improvements in and relating to wheeled toys
IPC: A63G19/00
Filed: 1923-01-29
Abstract: 208,422. Grey, G. E. Jan. 29, 1923. Horse and like velocipedes for children.-A toy velocipede adapted to rock while being propelled comprises a seat-carrying portion 1 with pivoted depending members 2, 5 jointed to the front axle 8 and to cranks 10 on the rear axle, the drive being effected by a treadle 13<1> which is pivoted at 14<1> between the ends of a link 11 and connected bv rods 15 to the upper or lower pivots 6, 16 of the members 5. The pivotal connection of the members 2 with the body 1 allows for steering by the handle 4. The drive may be transmitted through a gearing-up mechanism comprising a chain 18 connecting the crank-shaft to the shaft about which the treadle-lever oscillates, this shaft being connected in turn by a second chain 21 to the rear wheel 9<1>.
Patent GB-1474361-A (GB)
Title: Cutting inserts and a rotary milling cutter therefor
IPC: B23C5/06
Filed: 1976-01-23
Abstract: 1474361 Milling cutters; inserts SANDCO Ltd 23 Jan 1976 [23 Jan 1975] 02756/76 Headings B3B and B3K A reversible cutting insert for use in a milling cutter comprises a polygonal flat plate 10, the top and bottom surfaces 11 and 12 intersect with edge surfaces 13 and 14 of equal length to define main cutting edges 15 and 16, two further edge surfaces 21 and 22 adjoining said edge surfaces at cutting corners 19 and 20 the further edge surfaces intersecting the top and bottom surfaces 11, 12 at an acute angle to define therewith secondary cutting edges 23 and 24, at least one rear support surface 17 being provided which extends in a direction transverse to the bisector of the angle between the two edge surfaces 13 and 14. The inserts are mounted in peripheral recesses in a support ring 32 in the cutter body 29 by way of wedges 35 actuated by spring loaded rod 34.
Patent GB-228565-A (GB)
IPC: B44F1/14
Filed: 1925-01-30
Abstract: 228,565. Paisseau, J. Feb. 1, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Ornamenting. - Transparent or semitransparent articles made of celluloid, cellulose acetate, viscose, copal, condensed resins, gelatine, casein, &c., are decorated by incorporating in the mass under pressure and heat, natural or artificial objects such as silk, lace, embroidery, fabrics, paper, flowers, leaves, seeds, feathers, insects' wings, &c., The article may be composed of layers of variously coloured materials, and may include pearl essence, and by varying the pressure of moulding over a surface, or by etching the surface a mottled, marbled, &c. effect may be produced.
Patent GB-1116663-A (GB)
Title: Sintered uranium dioxide
Inventor: ELYARD CHARLES ANTHONY
IPC: C04B35/51
Filed: 1965-01-22
Abstract: Yttrium oxide is added to uranium oxide to form a ceramic nuclear fuel which does not exhibit columnar grain growth when subjected to a severe temperature gradient at a temperature up to 2000 DEG  C.  The proportion of Y2O3 in the ceramic may be 0.5 to 5% by weight. Powdered UO2 and Y2O3 may be mixed together or a solution of an yttrium compound may be added to UO2 powder, the slurry dried, and the yttrium compound converted to oxide.  The mixed powder is die-cast, slip-cast, or extruded, and then sintered in hydrogen, argon or steam.  The uranium in the UO2 may be enriched in U 235.
Patent GB-123179-A (GB)
Title: An Improved Tool for Inserting and Withdrawing Studs.
Inventor: DRYSDALE ROBERT BRYCE SNEDDON
IPC: B25B23/10
Filed: 1918-02-20
Abstract: 123,179. Drysdale, R. B. S. Feb. 20, 1918. Stud - boxes. - A stud-box A for extracting and inserting studs is screwed at a to receive a nut B and tapered and split at a<1>. The nut B is provided with an internal cone B<1> to act upon the part a' to grip the stud.
Patent GB-227646-A (GB)
Title: Improvements in or relating to screw-and-nut actuating mechanism
IPC: E05F11/40
Filed: 1924-02-06
Abstract: 227,646. Beckett, Laycock, & Watkinson, Ltd., and Hirst, C. E. Feb. 6, 1924. Sliding-window opening and closing apparatus.- The nut 14 of a screw-andnut actuating mechanism for the vertically-sliding window of a ship comprises a rectangular box having cylindrical extensions 15, 16 which are bored and screw-threaded to engage the vertical actuating spindle 10. Horizontal trunnions 18, 19 on the box 14 engage slots in the arms 21 of a yoke 22 having a spigot 23 mounted in a member 28 carrying the window 24.
Patent GB-1378102-A (GB)
Title: Antihypertensive compositions
IPC: A61K31/535
Filed: 1973-01-22
Abstract: 1378102 Antihypertensive compositions GRUPPO LEPETIT SpA 22 Jan 1973 [14 March 1972] 3208/73 Heading A5B Antihypertensive compositions comprise a compound of the general formula wherein R and R 1  are each halogen atoms or C 1-8  alkyl groups, in association with a compound of the general formula:  wherein X is H or Cl, R, is H, C 1-8  alkyl, alkenyl or hydroxy-C 1-4  alkyl, R 3  is C,-alkyl, C 2-8  alkenyl, hydroxy-C 1-4  alkyl or phenyl, or R 2  and R 3  together with the nitrogen atom form a heterocyclic ring of 5-7 atoms, R 4  is H 2  or a group =CR 5 R 6  wherein R 5  is H or C 1-8  alkyl and R 6  is C 1-8  alkyl, carboxy or phenyl. The compositions may be in conventional forms for oral and parenteral administration comprising conventional diluents and excipients.
Patent GB-555519-A (GB)
Title: Improvements in or relating to bearing lubrication
IPC: H01J35/10
Filed: 1942-03-11
Abstract: 555,519. Lubricants. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. March 11, 1942, No. 3225. Convention date, March 4, 1941. [Class 91] [Also in Group XXXIV] The bearing surfaces of a bearing assembly, particularly for use in a high vacuum, carry a lubricant consisting soley of one or more of the metallic compounds from the group consisting of molybdenum sulphide, molybdenum telluride, molybdenum selenide, tungsten sulphide and tungsten telluride. The lubricant may be contained within a housing constituted by ball or roller bearings positioned within complementary races, such an assembly being used in particular for the rotor of a rotating anode X-ray tube. In the form shown, the rotor 20 of the anode 14 is supported upon a stationary shaft 22 which is attached to the tube support 24 forming the seal of the glass envelope 12, and is caused to rotate thereupon by means of a stator 30, the bearing mountings for the rotor comprising ball or roller assemblies 32 as described. Retaining seals 40 may be provided to retain a supply of the lubricant within the bearings. The lubricant is unimpaired by heating the tube to about 700‹ C. while evacuating so as to degas the metal. In a modified form of ball bearing in which the balls 38 are surrounded by a cage comprising symmetrical halves 50, Fig. 2, having spherical recesses 51 for the balls, cavities 54 are provided within each of the cage halves for containing the lubricant 56.
Patent GB-1450580-A (GB)
Title: Detergents containing foam control substances
IPC: C11D3/20
Filed: 1973-01-22
Abstract: 1450580 Sodium sulphate or nitrate coated with a polysiloxane antifoam DOW CORNING Ltd 18 Jan 1974 [22 Jan 1973] 3249/73 Addition to 1378874 Heading C3T [Also in Division C5] A powdered and/or granular detergent composition contains a foam control substance comprising a finely-divided solid which is sodium sulphate, sodium citrate or citric acid, having on the surface thereof an organopolysiloxane containing anti-foam composition. The anti-foam composition preferably comprises 100 parts by wt. of a dimethylpolysiloxane, 2 to 15 parts of a silica having a surface area of at least 50 square metres per gram and from 1 to 15 parts by wt. of a copolymer of (CH 3 ) 3 SiO 0À5  units and SiO 2  units. Other diorganopolysiloxanes and other fillers such as fume aluminium oxide may be used, the filler being 1 to 20% by wt. of the anti-foam. The anti-foam should not exceed 20% by wt. of the finely-divided solid. The anti-foam may also contain mould growth inhibitors, emulsifying agents and emulsion stabilizers.
Patent GB-657182-A (GB)
Title: Improvements in hen laying batteries
IPC: A01K31/17
Filed: 1949-02-07
Abstract: 657,182. Battery cages for poultry. McKAY, J. A. Feb. 7, 1949, No. 3295. [Class 5(ii)] Cages are supported by frames consisting of uprights spaced by rods d engaging in or over lugs q projecting from the uprights. Wire-mesh sides and backs i hook on the rods, which also support droppings slides j and wire-mesh cage-bottoms. These last members are inclined and extend outside the cage to form egg-traps h. Also hooked on the rods d are doors consisting of wires m so spaced that the birds have access to the feeding and drinking troughs n, o.