baber/WOPTO huggingface dataset:
Patent GB-378199-A (GB)
Title: Improved methods of lens production
IPC: C03B23/00
Filed: 1931-08-01
Abstract: 378,199. Moulding lenses. TAYLOR, W. and KAPELLA, Ltd., 104, Stoughton Street, Leicester. Aug. 1, 1931, No. 21969. [Class 56.] A process for producing an aspherical lens surface consists in forming a polished surface on a lens blank, and then reforming this surface by heating the blank until it becomes plastic so that its polished surface can be shaped into contact with a polished aspherical surface of a mould. Preferably the mould is made of fused silica, but it may be made of some kind of glass which remains rigid at a temperature substantially higher than that at which the glass of which the lens is made becomes plastic. After the surfaces of the mould and the lens blank have been cleaned, they are put together and placed in a suitable furnace and heated until the lens assumes, under the influence of gravity, the form of the mould. To hasten the shaping operation, additional pressure may be put on the lens, preferably by means of a weight. The pressure may also be exerted by means of an annular tool or mould adapted to bear only on the outer zone of the rear surface of the lens, or the lens may be pressed between two moulds. The shaping-operation may be carried out in an inert atmosphere to preserve the polish on the mould surfaces, or in a vacuum in order to avoid entrapping air between the glass and the mould.
Patent GB-238718-A (GB)
Title: Improvements in saddles for cycles
IPC: B62J1/08
Filed: 1924-09-18
Abstract: 238,718. Lowenthal, A. E., and Nall, W. Sept. 18, 1924. Saddles for motor-cycles &c., more particularly of the type in which the seat. portion is formed mainly from lengths of helical springs connected to the rear frame and to the peak,. are provided with an upper frame 1, 3 and a lower frame 5, and the upper frame at the peak takes the form of an inverted U-shaped member 4 containing within it a helical spring 8 bearing at its lower end against the forward end 7 of the lower frame. The lower frame 5 is made from strips carrying the clip 6 and converging at the forward end 7 to form a support for the spring 8. The rear end 1 of the upper frame is supported by pillars 10 passing through, and connected to the lower ends of, closely coiled tension springs 9, the upper ends of which are connected to the lower frame 5. The saddle top may be of the kind described in Specification 238,719. Specification 229,583 is referred to.
Patent GB-1348029-A (GB)
Title: Methods and apparatus for thickening walls of pipes
IPC: F16L47/14
Filed: 1971-04-19
Abstract: 1348029 Thickening pipe walls INDUSTRIELE ONDERNEMING WAVIN NV 19 April 1971 [25 Feb 1970] 22044/71 Heading B5A [Also in Division F2] The wall of a plastics pipe end is thickened by positioning the heated pipe end 11 (Fig. 2) between a die 1 and a mandrel 2, and axially compressing the wall 11 to cause a portion 15 of the wall material to flow into and fill a volume defined by a shaped portion 6 of the mandrel 2, and/or a shaped portion of the die 1. As described a PVC pipe end 11 is heated to 180- 200‹ C. (a polyethylene pipe is heated to 100- 160‹ C.) in a glycerol bath, and passed over the mandrel 2, which is heated to 180-200‹ C. by radiation heaters (7) (see Fig. 1, not reproduced). The pipe is clamped with its end abutting a cylinder 4, and is surrounded by a first die 1 heated by liquid flowing through ducts 9, and by a second die 8 cooled by water in ducts 10. The cylinder 4 is moved by pneumatic devices 5 towards the pipe 11, and the mandrel 2 simultaneously moved in the opposite direction, the heated pipe end 15 flowing and thickening around the shaped portion 6. When thickening is completed (Fig. 2), movement is suspended, and the thickened portion 15 kept hot for 1-30 minutes, the remaining pipe wall 11 being cooled by the water-cooled die 8. In an alternative embodiment, the mandrel 2 is held stationary while the dies 1, 8 are moved. For an externally thickened wall (see Fig. 4) the die 1 comprises a shaped portion 17, and is moved during moulding while the mandrel 2 is held stationary. Also mandrel 2 and die 1 can both be shaped and moved simultaneously.
Patent GB-283435-A (GB)
Title: Tipping device for freight cars
IPC: B60P1/34
Filed: 1927-08-22
Abstract: 283,435. Ulrich, H. Aug. 22, 1927. Tipping wagons. - The body a of a tipping vehicle is mounted on rollers b and adapted to be run rearwards to the tipping position on a subframe comprising a pair of channel-shaped rails e pivoted at f and adapted to be raised to an inclined position by means of elevating means l, m, n. The body is moved to tipping position by winch p and cables q.
Patent GB-1321018-A (GB)
Title: Switching device
Inventor: LUND R E
IPC: H01J17/14
Filed: 1971-04-19
Abstract: 1321018 Cold cathode tubes HUGHES AIRCRAFT CO 19 April 1971 [16 March 1970] 22162/71 Heading H1D A switching device comprises an envelope 34, which may be a ceramic cylinder with metal end flanges 30, 56, containing gas at reduced pressure, an outer electrode 42, an intermediate electrode 48 and an inner electrode 80, electrodes 42 and 48 being tubular and each inter-electrode space is substantially uniform, connection being made to electrodes 42 and 80 through end flanges 30 and 56 respectively and to electrode 48 through a supporting flange 46; and means, such as a solenoid (82) Fig. 2 (not shown), to provide a magnetic field in the inter-electrode spaces when the device is to conduct by increasing the electron path lengths sufficiently to cause ionization of the gas. A gas source 70 consists of titanium hydride from which hydrogen can be released by a heating current.
Patent GB-684358-A (GB)
Title: Improvements in safety means for gas producers
IPC: C10J3/72
Filed: 1950-09-08
Abstract: 684,358. Safety devices for gas-producers. KOPPERS, GES., H. Sept. 8, 1950 [Oct. 1, 1948], No. 22185/50. Class 55 (i). A safety device for automatically shutting down a forced-draught gasproducer 1 when the forced-draught pressure falls comprises a valve 12 arranged in a main 7 connecting the producer to a consuming apparatus 9 or holder 10 and normally kept open by the pressure of the forced draught, a valve 22 arranged in a by-pass line 23 for venting the producer to atmosphere and normally kept closed by the forced-draught pressure, and a valve 24 arranged in a T-connection in the forced-draught line 3 connecting the line 3 to an air inlet 27 and normally kept closed by the pressure of the forced-draught. Each valve is of the wet type and comprises a sealing cup containing liquid, the valves being opened or closed by movement of a rod 18 operatively connected to a moving part of each valve and to a float chamber 19 which is adapted to be raised or lowered by an alteration of the pressure of the forced-draught, a line 21 connects the float chamber 19 to the forced-draught line 3. In operation when the forced-draught pressure falls, the valve 12 closes and valves 22 and 24 open, venting the producer to atmosphere and opening the forced-draught line 3 to the air inlet 27. In a modification each valve may be independently actuated by the forced-draught pressure. In further modifications hydraulically operated or hydraulically or pneumatically controlled valves, in each case responsive to the forced-draught pressure may be employed in place of mechanically operated valves.
Patent GB-1203569-A (GB)
Title: Underwater transportation system
IPC: B63H19/08
Filed: 1969-05-01
Abstract: 1,203,569. Endless-track vehicles; marine propulsion. WESTINGHOUSE ELECTRIC CORP. 1 May, 1969 [20 May, 1968], No. 22227/69. Headings B7H and B7V. [Also in Division E1] A gas-filled chamber 32 for divers is attached to a carriage 50 having sprocket-wheels therein engaging with a chain 17 upon subaqueous ground, a length of the chain being raised according to the buoyancy of the chamber so that as the buoyancy varies the height of the chamber is regulated automatically. One of the sprocket wheels can be electrically driven to propel the chamber along the chain, which may be one of several extending from a hub 20 with separate carriages thereon so that the chamber can be transferred from one chain to another. Alternatively the chamber carries endless chains 82, 83 on sprocket-wheels 86-89 and 92, 93, propulsion being effected by driving the wheels 92, 93. The endless chains may be replaced by tanktype tracks.
Patent GB-1346459-A (GB)
Title: Running-in of rolling bearings
IPC: F16C19/38
Filed: 1971-04-19
Abstract: 1346459 Apparatus for running-in taper roller bearings SKF KUGELLAGERFABRIKEN GmbH 19 April 1971 [17 Feb 1970] 22277/71 Heading F2A Apparatus for use in running-in a taper roller bearing 1, i.e. correctly aligning tapered rollers 14 in races 2 and 3, comprises a bar 6 having a drum 12 secured thereto and having an aperture parallel to the axis of the drum and at right angles to the axis of the bar. The bar is channel shaped and has two apertures and a recess in the flanges at each end to co-operate with inner race 2. A similar bar is positioned at the other end of race 2 and the bars are joined by tie bars 8, 9. Outer race 3 is in a housing bore (not shown) and is axially stressed by covers, (not shown). Drum 12 has a spigot 13 to which a rope can be fixed and then wrapped around the drum. When the rope is unwound, e.g. by a crane, the drum and inner race 2 rotate causing or adjusting radial loading of the bearing. This causes squeezing and movement of the rollers 14 towards contact flanges 15 until they bear against such flanges. Running-in is completed when all the rollers bear against their contact flanges 15.
Patent GB-957676-A (GB)
Title: Improvements in the manufacture of caprolactam
Inventor: DUXBURY FREDERICK KEITH
IPC: C07D/
Filed: 1960-06-27
Abstract: Caprolactam is prepared by reacting a mono-substituted cyclohexane as hereinafter defined in the presence of chlorosulphonic acid with a nitrosylating agent which is nitrosyl sulphuric acid, nitrosyl sulphuric anhydride, nitrosyl chloride, nitrosyl bromide, an alkyl nitrite RONO, nitrous anhydride or a gas containing it, nitric oxide or nitrous acid or a salt thereof. The mono-substituted cyclohexane is hexahydro benzoic acid or cyclohexane bearing an aliphatic, aromatic aliphatic, alicyclic or alicyclic aliphatic hydrocarbon radical which may be substituted, an aliphatic acyl radical, an aroyl radical, or a sulphone radical e.g., -SO2-C6H11, -SO2-C6H5 or -SO2-CH3. Reaction is suitably effected at above 25 DEG C. Preferably, the molar ratio of the cyclohexane to chlorosulphonic acid is from 2:1 to 1:2 and that of the cyclohexane to nitrosating agent from 2:1 to 1:1.3. Examples describe the conversion of hexahydrobenzoic acid, its methyl ester and cyclohexyl phenyl ketone to caprolactam using nitrosyl sulphuric acid in the presence of chlorosulphonic acid and sometimes SO3 or powdered glass.  The process may be operated continuously.
Patent GB-1072497-A (GB)
Title: Improvements in or relating to washing machines
Inventor: CLARKE BURNETT HARRISON
IPC: D06F35/00
Filed: 1965-05-26
Abstract: In an automatic washing machine comprising a rotatable fabric-holding drum, and means for introducing water into and dischargit from the drum, cold water is introduced into hot water in the drum at the completion of a predetermined washing phase, whereby to cool the hot water before it is discharged from the drum.  A valve may be opened at a predetermined point in a programmed sequence of operations for admitting the cold water.  A two-level switching device may be provided, the device having a low-level limit for determining the quantity of water introduced prior to the washing phase, and a high-level limit for determining the quantity of water introduced before discharge.  A second level switch may be provided and arranged to permit admission of cold water to a third level higher than the second level. Alternatively to the use of a water-level switch, addition of cold water may be effected for a predetermined period governed by the sequence timer.
Patent GB-705060-A (GB)
Title: Improvements in refill devices for cases for lipstick and similar substances
IPC: A45D40/16
Filed: 1950-09-12
Abstract: 705,060. Lipstick &c. holders. COTY (ENGLAND), Ltd. Sept. 12, 1950 [March 8, 1950], No. 22441/50. Class 18 In a refill device for a lipstick or the like comprising a cup 1 holding the stick, and a cover, the cover 9 is slotted as at 10 enabling a bead 7 at its mouth to be brought into gripping engagement with a flange 6 on the cup by finger pressure, for insertion of the cup into a lipstick or like holder, and withdrawal of the cup from the holder, when the stick is expended. The device may have a transparent sheath 11, the slot 10 and a hole in the base of the cup 1 permitting viewing of the stick. The cup is designed to fit a holder of the screw operated type. Specification 655,718 is referred to.
Patent GB-1345832-A (GB)
Title: Method of operating a nuclear reactor
IPC: G21C19/00
Filed: 1972-05-12
Abstract: 1345832 Reactors HOCHTEMPERATURREAKTORBAU GmbH and KERNFORSCHUNGSANLAGE JULICH GmbH 12 May 1972 [14 May 1971] 22497/72 Heading G6C In operation of a pebble-bed reactor, gas coolant is conveyed through the core from top to bottom and fuel elements are conveyed through the core from top to bottom in such manner that the axial power density is a maximum in the upper part of the reactor and declines approximately exponentially in the downward direction. The fuel reaches its terminal burn-up during a single passage through the core. Regulation is effected by control rods in a top reflector and by shut-off rods which can penetrate into the upper part of the core. The core may comprise concentric radial zones of different fuel concentrations. It is stated that the mode of operation described enables gas outlet temperatures up to about 1000‹ C. to be attained.
Patent GB-1098432-A (GB)
Title: Improvements in or relating to printing apparatus
IPC: B41J3/50
Filed: 1965-05-27
Abstract: 1,098,432. Electric selective signalling; recording and playback. INTERNATIONAL BUSINESS MACHINES CORPORATION. May 27, 1965 [June 25, 1964], No. 22545/65, Headings G4H and G5R. A message recorded as a train of coded signals is reproduced from the record and printed, the reproducing means being stopped in response to the reproduction of a coded signal coming within a variable selection. The disclosures are as in Specification 1,098,431.
Patent GB-1235052-A (GB)
Title: Variable gear ratio steering gear
IPC: F16H55/08
Filed: 1969-05-02
Abstract: 1,235,052. Toothed gearing. NIPPON SEIKO K.K. 2 May, 1969 [2 May, 1968], No. 22556/69. Heading F2Q. In a vehicle steering gear comprising a recirculating ball type screw 5 and nut 3, the screw being rotatable with a steering shaft and the nut having on one side a rack 4 meshing a sector gear 2 on a rocker shaft 1, the sector gear is formed using a rack type gear cutter S having at least some of its blades S 1 -S 8  offset relative to the positions they would occupy in a uniformly toothed rack, the cutter being symmetrical about a central axis XX<SP>1</SP> and the rack 4 on the nut 3 having a tooth form and spacing substantially identical to that of the cutter S. This provides a steering gear in which the transmission ratio increases progressively as the sector gear is rotated away from its straight ahead position, to a predetermined angle, further rotation of the sector gear being at constant transmission ratio (Fig. 1, not shown). The blade offsets may be purely lateral, Fig. 8, or angular-i.e. a change of pressure angle-with or without lateral offset. The sector gear is conical to permit adjustment of backlash in known manner.
Patent GB-794361-A (GB)
Title: Improvements in or relating to gaseous fuel control devices
Inventor: DEARNLEY GEORGE STUART
IPC: F23N5/10
Filed: 1955-08-05
Abstract: 794,361. Valves. PARKINSON & COWAN, Ltd. Aug. 3, 1956 [Aug. 5, 1955], No. 22557/55. Class 135. A gas-control valve member 19, balanced by a diaphragm 20 subject on one side to atmospheric pressure to produce negligible pressure on the valve due to inlet, 7, pressure, is urged away from its seat 18 by weight or spring means to maintain substantially constant outlet, 9, pressure, and has a further control device, energized by thermo-electric means, comprising an electromagnet 22 normally urged in the opening direction of the valve 19 by spring means 25, and having an armature 26 urged away from the electro-magnet, by spring means 27, adapted on de-onergization to seat the valve member 19, and manual means 29 for moving the electro-magnet into contact with the armature. The device may be used in the control system for a main burner, the thermo-electric means being actuated by a pilot burner to energize the electromagnet. To ignite the main burner a main tap is opened, passing gas to the control valve and to the pilot burner; since the electromagnet is not energized, the spring 27 holds the armature 26 in contact with the valve member 19 and retains the valve closed. The pilot burner is ignited and heats the thermo-electric device which energizes the magnet 22, the energized magnet being insufficiently strong to attract the armature 26, but strong enough to hold the armature once in contact. Manual pressure on the button 29 moves the magnet 22 into contact with the armature 26, and release of the button allows the magnet and armature together to move away from the valve 19 under the action of spring 25. The valve 19 opens under its weight and since the inlet pressure is balanced by the diaphragm 20, open at 31 to atmosphere, the valve maintains substantially constant outlet pressure providing the inlet pressure sufficiently exceeds the required outlet pressure. Failure of the pilot flame causes de-energization of the electromagnet, whereupon the armature is urged by the spring 27 to close the valve 19.
Patent GB-481555-A (GB)
Title: Method of making plated metal sheets and the like
IPC: B23K20/24
Filed: 1937-08-17
Abstract: 481,555. Plating metal sheets. OSTENDORF, P. Aug. 17, 1937, No. 22618. Convention date, Aug. 17, 1936. [Classes 83 (ii) and 83 (iv)] [Also in Group XII] In covering a metal with a plating layer by passing the heated layers between rolls, a heat insulating layer is placed on the plating layer on introduction to or emergence from the furnace and is removed on, or immediately prior to introducing the workpieces into the rolling mill. A U-shaped frame embraces the foundation and plating layers while the heat insulating layer lies on top of this frame, the frame thereby separating the heat insulating layer from the plating layer by an air space so that the heat insulation does .not become united with the plating. The insulating covering of the U-frame prevents oxidation gases from penetrating between the plating layer and the foundation material.
Patent GB-630950-A (GB)
Title: Hydrocarbon synthesis process
IPC: C07C1/04
Filed: 1947-08-14
Abstract: In the synthesis of hydrocarbons from carbon monoxide and hydrogen using an iron, nickel or cobalt catalyst, steam is introduced with the feed, and part of the catalyst is continuously led to a hydrogenation zone wherein it is revivified by hydrogenating, and returned to the synthesis zone.  Carbon deposition is thus minimized while deactivation by steam is prevented.  Synthesis may be effected at 500-750 DEG  F., pressures up to 750 lbs. per sq. inch, and a preferred steam content in the feed of about 1-20 mol. per cent. Hydrogenation may be effected at 400-1100 DEG  F. and similar pressures.  Fluidized iron catalysts may be used in an upflowing stream of feed gases.  Catalyst may be withdrawn at the bottom of the reaction zone, and hydrogen introduced into the stream which is led to a separate hydrogenating zone.  Hydrogenated catalyst is then drawn off at the bottom and led with fresh feed back to the reaction zone. Alternatively, each zone functions alternately as a synthesis and a hydrogenating zone.  A single reaction zone may be used, the upper portion being under synthesis and the lower under hydrogenating reaction conditions.  Feed gases are introduced intermediately and hydrogen at the base.  Examples illustrate the effect of various proportions of steam on carbon formation and the effect of hydrogenation on selectivity of the catalyst. Specification 618,068 is referred to.
Patent GB-866533-A (GB)
Title: Improvements in and relating to armchairs
IPC: A47C1/035
Filed: 1957-07-17
Abstract: 866,533. Reclining chairs. CERUTTI, A. July 17, 1957 [July 17, 1956], No. 22655/57. Class 52(2). In a reclining chair in which the back 5 and seat 7 are separately pivoted to the frame 2 a leg-rest 9 hinged to the front edge of the seat is swung through 180 degrees by linkage housed in hollow arm-rests 4 and comprising a main lever 21 pivoted to the armrest at 22, above seat level, and actuated by the back 5 through a link 13 which may have notches 14 engaged by a manually operated detent 17.
Patent GB-399002-A (GB)
Title: A new or improved anti-splash device for use on taps
IPC: E03C1/086
Filed: 1932-08-15
Abstract: 399,002. Anti-splash attachments. BAINBRIDGE & CO., Ltd., H. W., Grosvenor Buildings, Steelhouse Lane, and BAILEY, H. A., 30, Hawthorne Road, King's Norton, Birmingham. Aug. 15, 1932, No. 22777. [Class 135.] An anti-splash attachment for taps comprises a tubular member 8, Figs. 1 and 2, having integral longitudinal blades or vanes 11, 12 projecting radially towards the axis. The blades &c. stop short of the centre and leave an unobstructed passage there, alternate blades &c. 12 being longer than the blades &c. 11, as shown in Fig. 2. The attachment may screw on to the end 10 of the tap, as shown in Fig. 1, or it may have a push-on fitting with packing.
Patent GB-1474337-A (GB)
Title: Run-flat pneumatic tyre and wheel assembly
IPC: A61P25/26
Filed: 1975-05-23
Abstract: 1474337 Ergoline derivatives RICHTER GEDEON VEGYESZETI GYAR RT 23 May 1975 [28 May 1974] 22837/75 Heading C2C Novel compounds of the Formula I wherein R is H or methyl, and R 1  is a group of the Formula III, IV or V in which n is 4 to 10 or an acid addition salt thereof, may be prepared by esterifying the appropriate compound having a free hydroxy group with an acid CH 3 (CH 2 ) n COOH or a derivative thereof and optionally forming a salt therefrom. Lysergic acid - (3<SP>1</SP> - allyloxy - 2<SP>1</SP> - hydroxypropyl)amide is prepared by reacting lysergic acid hydrazide with nitrous acid followed by 3- allyloxy-2-hydroxypropylamine. 1,6 - Dimethyl - 8# - (N - benzyloxy - carbonyl - L - seryl - amidomethyl) - ergoline is prepared by reacting elimoclavine (a compound I in which R 1  is CH 2 OH, R=H and with mesyl chloride and reacting the mesyl ester in situ with ammonia to form 8#-aminomethyl-6- methyl-#<SP>8</SP>-ergoline which is reduced to 8#- aminomethyl-6-methyl-ergoline which is N-methylated to 8# - aminomethyl - 1,6 - dimethylergoline which is reacted with N-benzyloxycarbonyl-L-serine pentachlorophenyl ester to yield the required compound. Pharmaceutical compositions of the compounds I with the usual excipients show prolonged antiserotonine, antidepressive and neurolpetic effects when administered orally or parenterally (including by deposition).