baber/WOPTO huggingface dataset:
Patent GB-1022313-A (GB)
Title: Device for carrying out a chemical reaction and method of preparation of ammonium diuranate employing said device
Inventor: NOLLET PATRICK
IPC: B01F5/06
Filed: 1963-04-17
Abstract: <PICT:1022313/C1/1> <PICT:1022313/C1/2> Ammonium diuranate is prepared by reacting gaseous UF6 with an aqueous ammoniacal solution in an apparatus comprising a Venturi tube through which the gas is passed into the solution which surrounds the downstream end of said tube (see Division B1). As shown in Fig. 3, the UF6 is contained in vessel 40 located inside an enclosure heated by infra-red heating tubes 42, and is passed through line 29 to a Venturi tube assembly which opens into first precipitator 23a, shown in more detail in Fig. 2. Ammoniacal solution is admitted at 30a and passed through inner cylinder 27a by means of stirrer 25a; liquid containing larger crystals is said to flow through apertures 28a and leave through pipe 33a while liquid containing crystals of smaller size is recycled in the outer annular chamber to the stirrer.  A second precipitator, 23b, not having an inlet comprising a Venturi tube assembly is provided in series with the first and the product finally passed to filtration device 59.  Ammoniacal solution is provided respectively for precipitation 23a, 23b by vessels 52a, 52b, constant head devices 55a, 55b and flow meters 58a, 58b, that directed to precipitator 23a preferably being 1.8-2.2 N and that to precipitator 23b preferably being 8-12 N.  The pressure upstream of the Venturi throat is preferably at least 2 kg./cm.2 and the temperature 200-250 DEG  C. The precipitation temperature is preferably maintained at 50-75 DEG C. in each precipitator.  Preferably at least twice the theoretical amount of ammonia is added.  The physical and chemical characteristics of ammonium diuranate crystals produced by a process according to the invention are described.
Patent GB-700940-A (GB)
Title: Improvements relating to settling tanks
IPC: B01D21/18
Filed: 1951-06-28
Abstract: 700,940. Treating sewage; gravity-separation apparatus. HARTLEY, C. J. June 27, 1952 [June 28, 1951], No. 15324/51. Class 111 Settled matter is scraped by echelon blades 27, 28, Fig. 2, to a channel 11 midway between the centre and periphery of a centralfeed circular settling tank 10. Blades 31, Fig. 3, fitting closely in the channel 11 propel the settled matter to a sump or to diametrically-opposite sumps 34, whence it may be led to a common receiver 38 (not shown), at the tank periphery and equidistant from the sumps, by pipes 37. The blades may alternatively be spiral or otherwise curved as shown at 29 in Fig. 3. A third sump 34a, Fig. 2, may be provided in the channel 11, and in line with the tank centre and the common receiver. Where only one sump is provided the receiver is arranged at the periphery of the tank at the point nearest the sump. The tank bottom is continued across the top of the sumps (10a, Fig. 2) leaving a slot 36 of about the same width as the channel 11.
Patent GB-255605-A (GB)
Title: Fuel pumps and governor for multi-cylinder heavy fuel oil engines
IPC: F02D1/00
Filed: 1925-06-13
Abstract: 255,605. Sammons, H., and Petters, Ltd. June 13, 1925. Cam-actuated pumps ; stroke, varying; timing-devices.-The fuel pumps for multi-cylinder internal-combustion ergines are actuated by separate cams, a governor controlling the effective height of each cam without axial displacement thereof. The cams or eccentrics g<1>, g<2>, g<3> are mounted on inner eccentrics f<1>, f<2>, f<3>, the cam g<1> being connected by links k to the centrilugal governor c. Pins e<1> in the cam g<1> engage slots j<1> of the form shown in Fig. 5. The cams g<2>, g<3> are similarly connected by pins e<2>. The angular positions of the highest point of each cam are maintained in fixed relationship. The governor is bolted to a disc s keyed to the shaft a whereby the timing may be adjusted as described in Specification 14924/15. The stroke of the plungers p may be manually adjusted by cams r and levers q, Fig. 2.
Patent GB-989702-A (GB)
Title: Improvements in and relating to mining machines
Inventor: JONES CYRIL TREHARNE
IPC: E21C27/22
Filed: 1963-04-19
Abstract: 989,702. Mineral-mining machines. CRAWLEY INDUSTRIAL PRODUCTS Ltd. April 9, 1964 [April 19, 1963], No. 15432/63. Heading E1F. The cutter head of a mineral-mining machine comprises one or more forwardly directed rotary borers 2 and one or more rotary cutters 3 located rearwardly of and extending laterally of the or each borer so that the borer(s) and cutter(s) have a conjoint cutting outline enveloping the cross-sectional outline of the rest of the machine behind the cutter head. A number of preferred embodiments are described.
Patent GB-643622-A (GB)
Title: Improvements in and relating to resistance welding apparatus
IPC: B23K11/30
Filed: 1948-06-08
Abstract: 643,622. Making welding-electrodes. MALLORY METALLURGICAL PRODUCTS, Ltd. June 8, 1948, No. 15437. Convention date, Nov. 25, 1947. [Classes 83 (ii) and 83 (iv)] Welding.-A cranked or off set resistance welding electrode comprising a body having at least one curved portion anc a nose with a welding face, has a conduit for cooling fluid extending through the curved portion or portions into the nose to discharge cooling fluid at a point near the welding face. In an electrode 14 made by inserting a conduit 30 intc a straight bored electrode the tip 22 is offset by making twc reverse bends 16, 21 with the conduit 30 in place, thereby bending the conduit to retain it in the electrode body. In another form (Fig. 3, not shown), the bends are shallow and the conduit may be withdrawn after bending. A single bend electrode (Fig. 4, not shown), is shaped enough to retain the conduit.
Patent GB-878696-A (GB)
Title: Improvements in or relating to methods of manufacturing double-sided mosaic plates
IPC: H01J29/41
Filed: 1958-05-14
Abstract: 878,696. Cathode ray tubes. PHILIPS ELECTRICAL INDUSTRIES Ltd. May 14, 1958 [May 17, 1957], No. 15485/58. Class 39(1). [Also in Groups XXIII and XXXVI] In a method of manufacturing a double sided mosaic plate having an electric conductivity in the direction of its thickness considerably greater than that in a direction perpendicular to its thickness, a plate of glass 1 containing one or more metallic oxides, for example crystal glass containing lead oxide, is placed between plain electrodes 2, 3 each having a number of projections 4 in contact with the glass. Alternatively one of the electrodes may have no projection and may be in contact with the plate 1 throughout its surface. The electrodes are connected to a voltage source 5 and the assembly heated in an oven (not shown) until the glass has considerable conductivity. The potential 5 is applied for a sufficient length of time for the metal oxides in the glass to be reduced to the corresponding metals along line opposite the projection. The plate may serve as a wall for a vacuum envelope.
Patent GB-1186392-A (GB)
Title: Container for Relatively Long, Narrow Objects
Inventor: ZAMPICHELLI VINCENZO
IPC: B65D43/12
Filed: 1967-04-05
Abstract: 1,186,392. Containers. TORRINGTON S.p.A. 5 April, 1967, No. 16503/67. Headings B8C and B8P. A container, into which a definite number of knitting-machine needles can be inserted, comprises a base 13, elastically resilient side walls 14, 15, an end wall 16, a snap-on lid 11, and a sliding end cover 12. As described, ribs 43, 44 may divide the container into compartments C1 and C2, the width of each equalling a predetermined integral multiple of a needle thickness, thus obviating counting during packing. Immediately beneath the lid 11 there may be inserted a sheet containing a volatile rust-inhibiting agent. The container may be made of a clear plastics and contain a label. The cover 12 has serrations 36 to facilitate sliding.
Patent GB-1168903-A (GB)
Title: Improvements in or relating to Transportable Loading-Carrying Appliances
Inventor: COWLISHAW FRANK
IPC: B60P1/64
Filed: 1967-04-05
Abstract: 1,168,903. Container loading by supporting jacks. W. E. & F. DOBSON Ltd. 15 March, 1968 [5 April, 1967], No. 15505/67. Heading B8E. A container 1, or other load supporting structure such as a base frame, platform or chassis, or a room has hydraulic jack legs 2b, 4b on two opposite sides pivotally connected by arms 15, 16 to brackets 17, 18 at the bottom of recesses 8, 10 in the container 1. Each arm 15, 16 has a depending plate 19, 20 to which is connected the ram 21, 22 of hydraulic jacks 23, 24. The jacks 23, 24 are preferably in the same hydraulic circuit as the jacks 2b, 4b so that from the position, Fig. 6, in which the container 1 is supported by the jack legs for a vehicle to be driven under it the legs contract to lower the container and then the jacks 23, 24 act to swing the cylinders 2a, 4a into the recesses 8, 10. During this movement the plates 19, 20 will contact the side of the vehicle girder 13 so that the jack 23, 24 will position the container laterally of the vehicle while in the final position the feet 2c, 4c will engage the underside of the girder 13 to hold the container on the vehicle during transport.
Patent GB-131770-A (GB)
Title: Machine for Generating Gear Teeth.
Inventor: NASH SYDNEY
IPC: B23F5/22
Filed: 1918-09-25
Abstract: 131,770. Nash, S., (Lees-Bradner Co.). Sept. 25, 1918. Gear-cutting.-Relates to machines for generating the teeth of helical gears and worm wheels and consists in improvements which simplify the formulae required to chart the ratios of the various g e a r s employed in different work. The novel feature consists in sepa.rating the indexing change-gears from the lead change-gears and in taking the feed off between them. so that while the feed change-gears and lead change-gears are relatively dependent they may be varied independently of the indexing change-gears. The pulley 1 on the shaft 2 drives through gear 3 and shaft 4 which carries a pinion 5 gearing with pinions 6, 7. The pinion 7 drives through bevel-gear a vertical shaft 26 which drives a hob or other tool 36 through the gearing 27 - - 34, Fig. III. The cutter-spindle 35 is carried in bearings in a swivelling head 37 on a vertically movable slide. The pinion 6 is on a shaft which through the indexing- gears 9 drives a shaft 10 that drives through gear 11 - - 21 a shaft 22 carrying a worm 23 by which the work table 25 is rotated. The shaft 10 through gear 39, 40 drives a shaft connected by a handoperated clutch 41 to a shaft 43 which through gearing 44 - - 49 drives a shaft 50 which by means of the swinging shaft 64 and other gear shown can be used to rotate the screw 61 by which the work is moved up to the cutter. This screw can also be rotated by a hand-wheel 60. The shaft 50 is geared, through a vertical spindle 53<a>, to a screw 73 by which the tool-slide can be fed in an axial direction, and through a clutch operated spindle 53<b> to a screw 59 by which the tool slide can be raised and lowered. Reference is made to Specification 112,779.
Patent GB-109867-A (GB)
Title: Improvements in Electric Fuses.
Inventor: BAKER HOWARD HAMILTON
IPC: H01H85/044
Filed: 1916-11-01
Abstract: 109,867. Baker, H. H. Nov. 1, 1916. Fusible cut-outs.-The fuse strip is placed between metal jaws, which are shaped so that, when inserted into the fixed contacts of the fuse, a wedging action occurs making the jaws grip the strip. The jaws may be independent pieces 51, Figs. 10 and 12, which enter between extensions 50 of the terminals 48, 49. The insulating-body is made up of a number of pieces 41 riveted together and shaped to form a fuse chamber 43 and a box 44 to receive spare strips, covers 46 being provided for the chamber and box. In another arrangement, the jaws 12, 13, Figs. 2 and 3, are carried by the cover 10 of the fuse chamber, and enter sockets 6, 7 which, together with the terminals 2, 3, are embedded in the insulating body 1 during manufacture. The jaws and the strip ends may be corrugated. The strip is U-shaped, the base 17 being received in a channel in the body 1. As shown, two fuse strips are mounted in one body, a plug 23 connecting either of the strips with the upper terminal 2, both strips being permanently connected to the lower terminal; the body may however be constructed for one strip only and a box for spare strips be formed as in the first arrangement. The cover has a ventilating-outlet 26.
Patent GB-1098261-A (GB)
Title: Improvements in or relating to containers
Inventor: PUGH STANLEY FREDERICK
IPC: G21C3/04
Filed: 1965-04-13
Abstract: 1,098,261. Containers. UNITED KING- DOM ATOMIC ENERGY AUTHORITY. April 12, 1966 [April 13, 1965], No. 15625/65. Heading B8P. [Also in Division G6] A container, for use as an internal pressure resisting vessel, has a wall formed as an antielastic surface, i.e. a surface having opposite curvatures at any given point. According to one feature of the invention a sheathed nuclear fuel plate comprises a pair of spaced parallel sheets formed to provide anticlastic surfaces and edge sealed to enclose a fuel core. The anticlastic surfaces may comprise hyperbolic paraboloids, helicoids or hyperboloids of revolution. The sheets may be of stainless steel and the core located within a stainless steel frame, the edges of the sheets being welded to the frame to completely enclose the fuel core. The sheets, core and frame are individually formed as anticlastic surfaces and subsequently brought together to form the fuel plate. The resultant sheath is particularly resistant to internal pressure due to the accumulation of fission product gases.
Patent GB-1277872-A (GB)
Title: Improvements in and relating to heat exchangers
Inventor: MATCHAM RONALD VICTOR
IPC: F28D9/00
Filed: 1968-06-06
Abstract: 1277872 Plate heat exchangers; hot water boilers; burners DELANEY GALLAY Ltd 29 May 1969 [6 June 1968 25 March 1969] 26996/68 and 15655/69 Headings F4A F4S and F4T A heat exchanger comprises a stack of hollow plates made, e.g. of silicon-coated aluminium or stainless steel and each consisting of a pair of plates 36 defining therebetween fluid inlet and outlet chambers 42, 44 interconnected by a U- shaped fluid passage. As shown, said passage is defined by a central rib 38 and may be subdivided by further longitudinally extending ribs (50, Fig. 1) pressed from the plate material, or it may contain secondary heat exchange surface in the form of a corrugated sheet 52 or expanded or perforated metal. The sheet 52 may occupy the bend portion of the U-passage as shown, or it may be omitted at this zone. Alternatively the plate surface may be formed with fluid turbulating protrusions. Further secondary heat exchange surface comprising a corrugated sheet 48 may be provided between adjacent plate pairs. The plates are stacked with the corresponding chambers 42, 44 in alignment to form headers which may be partitioned by transverse baffles. The individual plates together with the secondary heat exchange surface and the passage-forming ribs may be formed as a one-piece casting including a peripheral gasket groove (57, Fig. 4), a plurality of these plates being secured together by tie bolts. The heat exchanger may be used as a forcedflow convection air heater in a vehicle. Alternatively as shown in Fig. 3 it may comprise the component of a waterboiler heated by a burner 54. The boiler comprises a water jacketted flue 56 having a water inlet 66. The jacket is connected by a duct 68 with the inlet header 42 of the heat exchanger and heated water discharges from the heat exchanger through an outlet 70. The burner gases pass upwardly through the flue and through the secondary surface 48 of the heat exchanger. The burner comprises short upright tubes with hexagonal heads 60. Combustion air is passed through the tubes to ignite with fuel entering the burner through an inlet 62 and flowing upwardly around the tubes (arrows 64). A fan may be located beneath the burner to aid combustion air flow and to enable the height of the flue to be reduced.
Patent GB-476428-A (GB)
Title: Manufacture and application of new azo dyestuffs
IPC: C09B29/28
Filed: 1936-06-04
Abstract: Monoazo dyes; acid wool and mordant dyes, dyeing with.--Monoazo dyes, suitable for dyeing furs, pelts or hair, are obtained by coupling diazotized 4-nitro-4<1>-aminodiphenylamine-2-sulphonic acid with an aminonaphthol, free from sulphonic or carboxylic acid groups or with an N-alkyl-, N-hydroxyalkyl-, N-aryl or N-acylderivative thereof. The dyeings are red, red-violet and violet to brown shades of good solidity, evenness and fastness to light and rubbing.  The materials may be subjected before dyeing, to the usual "killing" treatment with soda ash, ammonia, lime or caustic soda, followed, after neutralizing with acid, by a "chrome-tannage," e.g. with chrome alum, an alkali bichromate or basic chromium sulphate and, if necessary, neutralization with sodium bicarbonate; they may be further treated with agents such as hypochlorites or phosphates to increase the dyeing capacity of the hair fibres.  Examples are given of the manufacture of the dyestuffs with the use, as coupling component, of (1) 1 : 5-aminonaphthol (coupled alkaline), (2) 1 : 5-aminonaphthol (coupled acid), (3) 2 : 7-aminonaphthol (coupled alkaline).  In examples of the dyeing process (a) a chrome-tanned long-haired white rabbit fur is entered into a bath at 40 DEG  C. containing the dyestuff of (1) above, the temperature is raised during 20 minutes to 75 DEG  C., and so maintained for 100 minutes with an addition of acetic acid after the first 30 minutes and of formic acid after a further 30 minutes; the fur is then removed, dried and drummed in sawdust; (b) a chrome-tanned shorn white rabbit fur is entered into a bath at 40 DEG  C. containing the dyestuff, 4-nitro-4<1>-aminodiphenylamine - 2 - sulphonic acid --> (alkaline) 1-b -hydroxyethylamino-5-naphthol, dyeing is effected as in (a) at a temperature of 55--60 DEG  C., and the fur is then removed, dried and drummed as in (a).  A table is also given showing the shades obtainable on fur with the use of the dyestuffs having as coupling components, 1-dimethylamino-5-naphthol, 1-acetylamino - 5 - naphthol, 1 - acetylamino-7-naphthol and 2-phenylamino-7-naphthol (all coupled alkaline).  Specification 23026/07, [Class 2], is referred to.
Patent GB-1126477-A (GB)
Title: Synchronous modulating-demodulating system
Inventor: ESCOBOSA ALFONSO SOTO
IPC: H03D1/22
Filed: 1966-04-07
Abstract: 1,126,477. Amplifiers; phase-sensitive detectors. NORTH AMERICAN AVIATION Inc. 7 April, 1966, No. 15695/66. Headings H3A and H3T. A control system uses a square wave carrier modulated by the control signals and synchronously demodulated by a full-wave rectifier circuit so that the demodulated output is D.C. without the ripple that would be obtained with a sine wave carrier. In Fig. 4, the square wave source 28 (illustrated in Fig. 11, not shown) supplies the carrier to the modulation means and is also coupled as shown to the four FET's 21-24 forming the demodulator so that on one half cycle the input terminal 17 is coupled through 21 to output terminal 18, while output terminal 19 is connected to earth through 24, and on the next half cycle 17 is coupled to 19 and 18 is connected to earth through 22 and 23 respectively. The load 14 may include a differentiating circuit (Fig. 5, not shown) or an integrating circuit (Fig. 6, not shown), or both (Fig. 7, not shown), thereby having the characteristic of a band-pass circuit. One application is to a force balanced inertial sensor (38, Fig. 8, not shown). In another application to an electrohydraulic actuator (Fig. 10, not shown), the input modulated square wave is applied to three channels each comprising an amplifier (34) feeding a demodulator supplying an input of the actuator. There are three feedbacks to each amplifier: an individual feedback, a group feedback common to all three amplifiers, and a signal from a position detector (46).
Patent GB-593939-A (GB)
Title: Magnetic work-holder
IPC: B23Q3/154
Filed: 1945-06-20
Abstract: 593,939. Magnetic work holders. AKTIEBOLAGET SLIPMATERIAL - NAXOS. June 20, 1945, Nos. 15740 and 15741. Convention dates, June 16, 1944, and Feb. 1, 1945. [Class 60] [Also in Group XXXV] A magnetic work-holder comprises a pole-plate, at the rear of which, permanent horseshoe-type magnets are mounted to be rotatable in their own plane so as to bring their poles towards or away from the rear face of the poleplate. Horseshoe-type magnets 5, Fig. 2, preferably formed from split circular discs, are rotatable on eccentric shafts 3, so that in the operative position the N and S poles contact polepieces 14, 12 respectively and in the inoperative position the poles contact a keeper formed by a base-plate 1. In a modification, three poled magnets are used with outer legs 51, 53, Fig. 5, of low permeability, and an inner leg 52, of high permeability, soldered together and having air gaps 61 filled with solder. The length of the outer legs is preferably three or four times their width. In a further embodiment, four poled magnets are used. Specification 429,199 is referred to.
Patent GB-313302-A (GB)
Title: Improvements to sliding doors for garages, sheds, workshops and similar structures or buildings
IPC: E06B3/50
Filed: 1928-05-30
Abstract: 313,302. Wood Bros. (Builders), Ltd., and Hunt, J. G. May 30, 1928. Sliding doors.-Sliding doors for garages sheds and the like are made in two parts or leaves a, each of which is provided at its outer top and bottom corners with guides b engaging channels lying in the plane of the door when opened. The guides b may be pins &c., as shown, or ball bearing or other rollers &c. Castor-wheel supports e may be provided at the inner lower corners, as shown. To open the door, each part is drawn out into line with the channel and pushed inwardly along the channel into the required position.
Patent GB-643716-A (GB)
Title: Improvements in or relating to centrifugal separators, particularly centrifugal cream separators
IPC: B04B15/06
Filed: 1947-06-16
Abstract: 643,716. Centrifugal cream separators. INTERNATIONAL HARVESTER CO. OF GREAT BRITAIN, Ltd. June 16, 1947, No. 15779. Convention date, June 24, 1946. [Class 231 [Also in Group XXIX] A centrifugal cream separator bowl 18 having peripheral discharge outlets 34 controlled by centrifugal valve means and a milk inlet tube 44 positioned at the centre of a disc pack 39 to form an annular space 47, is supplied from a can 12 provided with a milk feed tube 60 and an outer concentric washing liquid discharge tube 58. The centrifugal valve means is described in Specification 643,780. The milk inlet tube has a distributer 43 communicating with openings 41 in the pack. Cream and skimmed milk are respectively discharged through apertures 49<SP>1</SP>, 21 in the bowl to a collecting casing 51 provided with discharge spouts 56, 57. The bowl and its driving motor 15, the casing, and the can are all carried by a support 10. The milk feed tube has a collar-shaped stopper 61 carrying lugs 63 provided with slots 64 and projections 65. A combined float and handle 73 has a valve member 67 having a pivot pin 69 engaged by the slots and a stop pin 70 for engaging the projections. The valve member has a plug 68 and a metering surface 71 comprising a spherical surface with a depression 76. The can is filled with milk and the bowl is rotated until the peripheral outlets close. When the separting speed is reached the handle is raised vertically to remove the plug and permit milk to flow through the feed tube. The handle is then pivoted about 69 until the handle is supported by the milk and the metering surface is over the inlet of the feed tube. As the milk level within the can falls the valve member rotates to increase the effective milk feed aperture so that milk flows at a constant rate. After the separating process is completed water is introduced into the bowl to flush both bowl and casing. The can is then filled with water and the bowl driving motor stopped. When the speed of the bowl is decreased sufficiently to open the peripheral outlets the handle is intermittently raised and lowered so that water flows through both of the tubes 58, 60 to wash the bowl and the casing.