baber/WOPTO huggingface dataset:
Patent GB-870240-A (GB)
Title: Improvements in or relating to screw cutting lathes and other machine tools
IPC: B23Q5/40
Filed: 1959-11-20
Abstract: 870,240. Screw-cutting lathes. WARNER & SWASEY CO. Nov. 20, 1959 [Dec. 3, 1958], No. 39397/59. Class 83 (3). A screw-cutting lathe or other machine tool is provided with a lead-screw 26, Fig. 1, rotatable in the normal manner by change-gears from the spindle 12, and a feed-shaft 19 which drives the carriage through rack-and-pinion gearing. In place of the usual disengageable lead-screw nut a freely rotatable nut 27 of the re-circulating ball type is employed. This may be locked to the carriage for screw-cutting by a spring- pressed latch 35, Fig. 3, which is withdrawn for the return movement &c. by a hand lever 47 and wedge-member 40. In a modification the leadscrew may be locked against rotation and the nut driven by gearing from the feed-shaft.
Patent GB-994406-A (GB)
Title: Process for the manufacture of fluorinated steroids
IPC: C07J1/00
Filed: 1963-10-07
Abstract: Vicinal fluoro-hydroxy-steroids are prepared by treating steroid epoxides with a fluorinating agent formed by mixing anhydrous hydrogen fluoride with a carbamic acid or thiocarbamic acid or with an amide or ester thereof.  The carbamic or thiocarbamic acid may have a free nitrogen atom or an alkylated nitrogen atom, and it may be used in the form of an alkyl ester or a free or N-alkylated amide. It is advantageously mixed with the hydrogen fluoride at 30 DEG  to 70 DEG  C. in a weight ratio within the range of 0.65 to 1.7, and the reagent obtained may be used to open the epoxide ring at 20 DEG  to 30 DEG  C. The epoxy steroid may be of the pregnane, androstane, spirostane, furostane, cholane, cholestane or cardanolide series, or a triterpene and the epoxide group may be in the 1,2-, 2,3-, 3,4-, 4,5-, 5,6-, 6,7-, 9,11-, 11,12-, 14,15-, 15, 16-, 16, 17- or 17,20-position and of a - or b -configuration or in the 8a ,9a -position.  Examples describe the preparation of D 1,4-16a -methyl - 6a ,9a  - difluoro-11b ,17a ,21-trihydroxy-3,20 - dioxo - pregnadiene 21 - trimethylacetate and 21 - acetate; 9a  - fluoro - 11b  - hydroxy-17a  - methyl - testosterone; 3b  - acetoxy - 5a -hydroxy - 6b  - fluoro - cholestane and the corresponding 3b  - ol; 3b  - acetoxy - 5a  - hydroxy - 6b  - fluoro - 20 - oxo - pregnane; 3b ,17b - diacetoxy - 5a  - hydroxy - 6b  - fluoroandrostane; 3b 17a  - diacetoxy - 5a  - hydroxy6b  - fluoro - 20 - keto - pregnane; and 3b ,17b -diacetoxy - 6b  - hydroxy - 7a  - fluoro - 5a -androstane.  3b ,17b  - diacetoxy - 6b ,7b  - oxido - 5a  - androstane is prepared by heating 3b ,17b -diacetoxy-5a  - bromo - 6 - oxo - androstane with hydrobromic and acetic acids to give 3b ,17b -diacetoxy - 6 - oxo - 7a  - bromo - 5a  - androstane reducing this to a mixture of the epimeric 6-ols, separating the 6b -ol and treating this with aqueous caustic soda.
Patent GB-972362-A (GB)
Title: Methods for preparing a rutile titanium-dioxide pigment
IPC: C09C1/36
Filed: 1962-10-19
Abstract: Titanium dioxide pigment having improved chalk resistance and gloss retention is obtained by an aftertreatment process in which titanium dioxide is treated in an aqueous medium with one or more water soluble metal compounds, including silicon, which form colourless substantially water insoluble hydrous oxides or other colourless substantially water insoluble compounds, is dried but not calcined, and is then subjected to a second treatment with one or more of said water-soluble metal compounds, is washed, dried and milled. Quantities of metal compound used in both treatments are 0.5-5% calculated as oxide and based on the rutile employed. The preferred salts used are water-soluble silicates, aluminium, titanium and manganese salts and phosphate salts.  Dispersing agents are used as are acid and alkali to control pH values.  In examples nitrile is first treated with silicates and aluminium salt, and then with silicates and aluminium salt with or without titanium salts. Preferred sequence of salt addition being titanium salts/silicates/ aluminium salt.  Specification 969,352 is referred to.
Patent GB-1010352-A (GB)
Title: Process for preparing halogenated hydrocarbons
IPC: C07C17/278
Filed: 1963-10-08
Abstract: Fluoro-halogenated propane is prepared by reacting a fluorinated or fluoro-halogenated ethylene with a halogenated methane at a temperature from 60 DEG  to 150 DEG  C., at a pressure from 6 to 30 kg./cm.2, over a period from 1 to 120 hours in the presence of gallium chloride and or bromide as catalyst.  The ratio of fluorinated or fluoro-halogenated ethylene to halogenated methane is from 0.1 to 1 : 1, and the amount of gallium chloride and/or bromide is from 1 to 20% by weight with respect to the fluorinated or fluoro-halogenated olefine.  Tetrafluoro, trifluoro, trifluorobromo, trifluorochloro and difluorodichloro ethylenes and carbon tetrachloride, chloroform and methylene chloride are mentioned and examples describe the reaction of 1.2 - difluoro - 1,2 - dichloroethylene with carbon tetrachloride to yield a product corresponding to 1,2-difluorohexachloropropane. The products are used as dielectric liquids and hydraulic and heat-exchanger fluid.
Patent GB-1159736-A (GB)
Title: Method for Casting Metals from a Container with a Sliding Nozzle.
IPC: B22D41/60
Filed: 1967-08-30
Abstract: 1,159,736. Discharging molten metals. INTERSTOP A.G. 30 Aug., 1967 [30 Aug., 1966], No. 39649/67. Heading F4B. A sliding nozzle arrangement comprising a plate 3 with an orifice 5 is situated below a discharge opening 4 to control from a container 2 the flow of molten metal 1 to be cast. Filling material 8, e.g. lead or a lead base alloy, having a lower fusion point and a higher specific weight than the metal to be cast, is interposed in the opening 4 between the metal 1 and the nozzle arrangement. This material is either introduced as a liquid (Fig. 1) or as a solid which is thereafter melted by heating means 10 which additionally heats the nozzle arrangement thus preventing solidification of the material in the sliding parts thereof. A nozzle 7 serves to direct the jet of molten metal discharged from the container.
Patent GB-338782-A (GB)
Title: Improvements in loading and dumping systems for ropeways
IPC: B61B15/00
Filed: 1929-12-28
Abstract: 338,782. Bleichert & Co. Akt.-Ges., A., (Assignees of Starrach, N.). Dec. 29, 1928, [Convention date]. Terminals and stations for overhead and suspended ways.-At the unloading terminal of a ropeway a hanger 3, open at the rear, deposits a truck on a rising track 5, where a ramp 12 engages the axles of the truck and brings it to rest, while the hanger is accelerated by the gradient of the rail 1 so that it gains on the truck and presently strikes a trip 7 which lowers the ramp 12 and allows the truck to proceed along a downwardly-sloping extension of the rails 5. The released truck strikes a lever 8 which resets the ramp 12. At the loading station the truck to be carried ie stopped on a ramp as described above, and as the carrier passes the station it strikes a trip which lowers the ramp and releases the truck which owing to the relative gradients of the track rails and the hanger rails overtakes and enters the hanger.
Patent GB-1176586-A (GB)
Title: Coffee Extract Powder in Agglomerate Form
IPC: A23F5/40
Filed: 1968-08-21
Abstract: 1,176.586. Coffee powders. CHOCO-NEUF A.G. 21 Aug., 1968 [24 Aug., 1967], No. 39946/68. Heading A2B. A non-hygroscopic coffee-flavoured powder, for example a coffee extract or coffee substitute, having a particle size of at least 200 microns, and containing at least 0.4 wt. per cent phospholipids, for example lecithin, and at least 0.2 wt. per cent of vegetable oil, for example soybean or coffee oil, may be prepared by mixing the extract or substitute with the lipid and oil, comminuting the mixture, treating with steam, and drying.
Patent GB-904367-A (GB)
Title: Improvements in or relating to cold cathode character display tubes
Inventor: KLEPP GEORGE FRANCIS
IPC: H01J17/49
Filed: 1958-12-11
Abstract: 904,367. Glow discharge lamps. STANDARD TELEPHONES & CABLES Ltd. Dec. 4, 1959 [Dec. 11, 1958], No. 39954/58. Class 39 (1). A cold cathode character display tube for A.C. or D.C. operation comprises a metal electrode 5 forming part of a box open on one side facing a viewing window of the glass envelope, a set of electrodes 1, each shaped in the form of a character to be displayed, mounted within the box, and an additional electrode 11 mounted outside the box but adjacent an aperture 9 therein. Electrode 11 is connected to electrode 5 through a current-limiting resistor so that during each half-cycle of an alternating power supply connected between an electrode 1 and electrode 11, a discharge is initiated between the electrode 1 and electrode 5 and transfers to electrode 11. As shown, electrode 11 is arranged behind electrode 5 out of sight of electrodes 1, a shield 10 is provided and the side walls of the envelope are coated with paint or metal so that the glow at electrode 11 is not visible through the viewing window. The electrodes 1 are supported by mica sidewalls 3 of the box containing them. The tube contains 99% neon and 1% argon. According to the Provisional Specification, two boxes each containing a set of electrodes may be provided so that two characters may be displayed simultaneously, and the electrodes 1 may be constructed of twin Ni wires or by blanking from a suitable mesh.
Patent GB-1176400-A (GB)
Title: Binders Based on Alkali Metal Silicates
IPC: C04B28/26
Filed: 1967-09-01
Abstract: 1,176,400. Coated surfaces. HENKEL & CIE G.m.b.H. 1 Sept., 1967 [2 Sept., 1966; 13 Jan., 1967], No. 40059/67. Heading B2K. [Also in Divisions C3 and C4] Cement or asbestos cement surfaces are coated (Examples 2, 4, 5) with an aqueous alkali metal (K, Na, or Li) silicate composition containing tetraethyl- or diethanoldiethylammonium hydroxide; the compositions also contain talc, titania and either kaolin or micromica.
Patent GB-1398374-A (GB)
Title: Support bases for furniture
IPC: A47B13/02
Filed: 1973-08-24
Abstract: 1398374 Separate feet B A S SVENSON 24 Aug 1973 [28 Aug 1972] 40216/73 Heading A4U [Also in Division F2] Means for attaching radial supports 10 in the shape of feet or wing structures to a central hub 40 comprises inwardly bent lugs 16a, 16b projecting from each side of the support 10 so as to leave a gap therebetween for the reception of an attachment bolt 44 passing through an aligned hole in the hub, the lugs being curved or otherwise shaped to correspond with the configuration of the hub. The above construction may form the base of an arm chair, table or standard lamp, the member 10 being formed from a plastics-coated sheet metal blank shaped and bent about fold lines as depicted in Figs. 1-4, (not shown).
Patent GB-1446471-A (GB)
Title: Amorphous precipitated silicic acid pigments and methods for their production
IPC: A61K8/00
Filed: 1973-08-24
Abstract: 1446471 Production of siliceous pigments J M HUBER CORP 24 Aug 1973 [6 Sept 1972] 40227/73 Heading C1A [Also in Division A5] Precipitated silicic acid pigments having improved chemical and physical properties, including high abrasiveness and low wet cake moisture content, are produced by acidulating an aqueous solution of an alkali metal silicate heated to 100-200‹ F. with an acid until precipitation of the pigment just begins, discontinuing the addition of the acid, aging the aqueous reaction mass for 10 mins-2 hours continuing the addition of the acid to the aqueous solution while simultaneously adding an alkali metal silicate therewith discontinuing addition of alkali metal silicate, reducing the pH of the slurry to 5À5-7À0 after precipitation of the pigment is complete and recovering the precipitated pigment. The preferred alkali metal silicates are those of Na, K or Li and suitable acids are H 2 SO 4 , HNO 3  or HCl. Aluminium salts, e.g. aluminium sulphate, may be added with the acid to produce pigments containing small quantities of alumino silicates.
Patent GB-870669-A (GB)
Title: Improvements relating to hypodermic syringes
Inventor: EVERETT SAMUEL JAMES
IPC: A61M5/315
Filed: 1958-12-16
Abstract: 870,669. Hypodermic syringes. EVERETT & CO. Ltd., S., and R. J. Dec. 8, 1959 [Dec. 16, 1958], No. 40573/58. Class 81 (2). A unitary piston and piston rod for an hypodermic syringe is moulded from synthetic plastic, e.g. polythene, and has an internal bore 6 open at the rear end and a piston 4 which has two or more spaced annular ridges 11, 12 and is slightly larger in diameter than the rod 5, there being a neck 7 of reduced diameter between the piston and the piston rod. Two annular ridges may be provided, each ridge having a face 13, 16 perpendicular to the piston axis and a face 14, 15 which slopes at an angle to the piston axis, the perpendicular faces being on opposite sides of the ridges. The piston is made over-size and is sized by placing in a forming tube, or a glass or acrylic resin syringe barrel of slightly smaller diameter, and heating at 40‹ C. until its diameter conforms to that of the tube or barrel.
Patent GB-1361498-A (GB)
Title: Monolithic capacitor components and proc.for producing same
IPC: H01G4/30
Filed: 1971-08-31
Abstract: 1361498 Capacitors ILLINOIS TOOL WORKS Inc 31 Aug 1971 [31 Aug 1970] 40672/71 Heading H1M In a method of making monolithic capacitors by stacking alternate dielectric and electrode layers, each electrode layer comprises a plurality of spaced electrode sections 24, those in alternate layers being in register and those in adjacent layers being offset so that each section 24 has first and second areas of overlap with two sections in each adjacent layer, and the stack is severed at C through each first area of overlap as shown that of portions 26 to provide individual stacked capacitors. The dielectric material may be ceramic with electrode material printed thereon. After cutting the units are pressed and fired, the presence of metal layers at the cut giving a more uniform thickness of unit although  such layers are capacitively inactive. One electrode layer may be so deposited that the sections lack the area of overlap through which the cut is made (Fig. 7, not shown), the edge of such sections being capable of being subsequently exposed by removal of dielectric material to permit adjustment of capacitance as described in Specification 1,340,414. Contact coatings applied to end surfaces of the cut units may extend on to adjacent surfaces.
Patent GB-1074848-A (GB)
Title: Improvements in or relating to photographic processing units
Inventor: LEE PATRICK LAWRENCE STEPHENS
IPC: G03D13/04
Filed: 1965-09-29
Abstract: 1,074,848. Reciprocating pumps. NEDERLANDSCHE FOTOGRAFISCHE INDUSTRIE N.V. Sept. 29, 1965, No. 41348/65. Heading F1A. [Also in Division G2] A photographic processing unit (see Division G2-G3) comprises a hollow tank with a recessed area in its tap surface constituting a treating bath and having an aperture (6) for a pump (20) Fig. 3 (not shown) in the top surface of the tank, the body of the tank serving as a reservoir. The pump is of the reciprocating bobbin displacement type having a bobbin 60 acting as impeller with an iron core 61 slidably mounted in a tube 62. The bobbin is magnetized by a permanent magnet 64 and is actuated by a coil 65, but is separated therefrom by a sleeve 68. The pump body, made of a synthetic resin, has an inlet 71, outlet 72 and flanges 22 for suspending it within the aperture (6).
Patent GB-869306-A (GB)
Title: Production of ammeline
Inventor: CLOAK LOUIS HARMON
Filed: 1958-12-23
Abstract: Ammeline is prepared by reacting urea and/or biuret with dicyandiamide in solution in a phenol at an elevated temperature, and removing the precipitated ammeline.  The reaction temperature is preferably above 150 DEG C., e.g. 160-170 DEG C.  Suitable phenols are phenol, a cresol or xylenol.  Alcohol may be added to the cooled reaction mixture for more efficient precipitation of the ammeline.
Patent GB-1202032-A (GB)
Title: Improvements in transparent ceramics and method for producing same
Inventor: ANDERSON R C
IPC: C04B35/505
Filed: 1967-09-11
Abstract: 1,202,032. Transparent polycrystalline ceramics; modified rare earth oxides. GENERAL ELECTRIC CO. 11 Sept., 1967 [28 Sept., 1966], No. 41431/67. Headings C1A and C1J. A transparent polycrystallinic cubic ceramic consists of 2-15 mol. per cent of one or more ThO 2 , ZrO 2  and HfO 2 , the balance being (a) an oxide of an element of Ar. No. 66-71; or (b) a mixture of oxides of an element of Ar. No. 58-60, 62-71; or (c) a mixture of an oxide of an element of (b) with Y 2 O 3 , the oxides of (b) and (c) being proportioned that (1) their average cationic radii are no greater than 0À93 Šand (2) the differences in their cationic radii is no greater than 0.22 A. The mixture is fired at at least 1900‹ C. and if any oxide has been reduced, refired at 1200‹ C. in an oxygen containing atmosphere.
Patent GB-1487346-A (GB)
Title: Locking system
IPC: E05D3/02
Filed: 1974-09-24
Abstract: 1487346 Locks BMR SECURITY PRODUCTS CORP 24 Sept 1974 [4 Oct 1973] 41556/74 Heading E2A Doors 12, 14 are secured together by brackets 16, 18 having cylindrical heads 28, 30 which interfit to prevent axial separation and which have aligned bores 34, 36 which may be linked by an axially movable barrel lock to prevent .lateral separation. The lock barrel 74 has plate tumblers 78, 98 of which the former lodge in a groove (84, not shown) in a sleeve bolt 62 which may slide in bore 36 so as to engage bore 34 in the other bracket member. A steel pin 58 projecting from hole 76 through the lock cylinder works in a slot 64 in the sleeve 62 and engages a slot system 65, 66, 67, 68, Fig. 9, whereby the bolt may be locked in its projected position or its retracted position. Interfitting profiles 42, 44 prevent axial separation. These profiles may be reversed. Drilling of the lock is prevented by steel pins 87.
Patent GB-1351800-A (GB)
Title: Amine intermediates for azo dyestuffs
IPC: C09B44/04
Filed: 1971-09-07
Abstract: 1351800 Aniline derivatives CIBA-GEIGY AG 21 July 1971 [24 July 1970] 41589/72 Divided out of 1351799 Heading C2C Novel compounds of the formula  (wherein A is an optionally substituted 1,4- phenylene radical, X is an NH- or -N(CH 3 )- group, O or S; Y is an optionally substituted aliphatic (excluding cycloaliphatic) hydrocarbon radical; X<SP>1</SP> is an imino group, O or S; R 1  is H or an optionally substituted alkyl radical; R 2  is an optionally substituted alkylene radical which may be interrupted by an oxygen atom and R 3  is an optionally substituted aryl radical) are prepared by acylating an amine of the formula H-A-N(R 1 )-R 2 -X-H with an acid of the formula HOOC-Y-CO-X<SP>1</SP>-R 3  or a corresponding acid chloride. Succinic acid monophenyl ester monochloride is prepared by heating succinic anhydride with phenol to give succinic acid monophenyl ester and then reacting this with thionyl chloride.
Patent GB-842531-A (GB)
Title: Permanent magnets
Inventor: KING HEWSON NICHOLAS GRAHAM
IPC: H01F7/02
Filed: 1958-12-24
Abstract: 842,531. Travelling wave tubes. MULLARD Ltd. Dec. 24, 1958, No. 41654/58. Class 39(1). [Also in Group XXXV] An axial periodic field for focusing in a travelling wave tube is provided by radially polarised annular permanent magnets 21, 22 between which are arranged further ring magnets 24 alternately polarised in opposite axial directions to oppose the leakage flux of the magnets 21, 22.
Patent GB-1182544-A (GB)
Title: Container-Dispencer for Cosmetics
Inventor: HARDMAN ERIC HANCOCK
IPC: A45D40/04
Filed: 1968-08-30
Abstract: 1,182,544. Cosmetic, &c. holders. UNILEVER Ltd. 30 Aug., 1968, No. 41695/68. Heading B8P. A holder for cosmetics, &c., comprises a body 10 with radial projections 18 at one end which snap-fit with an annular shoulder 28 on a turning knob 20 and screw unit 19, so that this unit, with a cosmetics cup 21 threaded on the screw can be inserted as a whole through one end of the body 10. Each projection 18 has a sloping face 1 8a and a transverse one 18b engaging with similar faces on the shoulder 28. The body 10 is filled with molten cosmetic whilst standing in a mould (11), Fig. I (not shown), and the knob 20 and screw 19 unit plus the threaded cup 21 are inserted whilst the cosmetic is still molten. The cap 21 is prevented from rotating as it is slidden by rotation of the screw 19 by splines 29 on it which engage with two splines 17 on the body interior. The holder may have a cap 16.
Patent GB-1131568-A (GB)
Title: Arc plasma torch cathode
IPC: H05H1/34
Filed: 1966-09-19
Abstract: 1,131,568. Plasma torch electrodes. INSTYTUT BADAN JADROWYCH. 19 Sept., 1966 [18 Sept., 1965], No. 41783/66. Heading H5H. A D.C. arc plasma torch cathode has a tungsten insert 11 and is cooled by water flowing through a tube 9 and into channel 8, the end 10 of tube 9 being shaped to obtain maximum turbulence of water at the point 2 nearest the electron emission point 1 by the coolant flow area in section 7 near the hottest cooling surface point 2 being smaller than the coolant flow area in the cylindrical part of the channel 8. The tungsten insert 11 is specially shaped to shield the point 2 from the main heat flow direction.
Patent GB-1510158-A (GB)
Title: Nitriding of steel
IPC: C23C8/26
Filed: 1976-07-09
Abstract: 1510158 Gas-nitriding steel ROLLS-ROYCE MOTORS Ltd 9 July 1976 [17 Oct 1975] 42594/75 Heading C7U Steel is nitrided by heating to 490-560‹C in a mixture of nitrogen and ammonia, the nitriding potential of which is maintained over a major part of the cycle by holding the ammonia content of the gas stream leaving the furnace at a fixed value within the range 20 to 40%. Preferably the cycle includes a heating phase during which the temperature is raised at a controlled rate to the nitriding level, a nitriding phase, and a controlled rate cooling phase. The ammonia content of the effluent gas may be initially increased to 90% to purge air, and then reduced to the operating level before the nitriding temperature is reached.
Patent GB-1346212-A (GB)
Title: Strip storage device
IPC: B65H51/20
Filed: 1971-09-13
Abstract: 1346212 Handling thin materials MANNESMANNROHREN-WERKE AG 13 Sept 1971 [14 Sept 1970] 42650/71 Heading B8R A metallic strip storage device comprises a hexagonal frame 6 supporting outer and inner rotatable roller rings 1, 2, Fig. 1, coincident with each other at the upper frame end to support turns 3b of metallic strip 3 either on the inner periphery of the outer roller ring or the outer periphery of the inner roller ring. Turns of intermediate diameter are supported by the uppermost roller of the inner ring. The turns are spaced from one another by spacer bars 5a, provided with rollers 5c, Fig. 2. The metallic strip 3 is fed into the device by a pair of feed rollers 4 for tangential entry into the outer roller ring. A roller 1a of the outer roller ring may be driven from the feed rollers 4 and a drive may be taken from the roller 1a to drive all the rollers in the outer roller ring 1.