baber/WOPTO huggingface dataset:
Patent GB-818321-A (GB)
Title: Cyclic processes of producing ucl
IPC: C01G43/08
Filed: 1944-10-16
Abstract: <PICT:0818321/III/1> <PICT:0818321/III/2> In a cyclic process for preparing uranium hexachloride, uranium pentachloride is first decomposed into the hexachloride, which is recovered, and the tetrachloride which is reconverted to the pentachloride for re-use in the process.  The decomposition of the pentachloride may be effected according to Specification 804,311 by decomposing at 80-180 DEG  C. under a reduced pressure between 10-6 and 10-3 mm. mercury.  The hexachloride sublimes and the tetrachloride residue may be removed, ground and heated at 300-350 DEG  C. in a stream of dry air to convert it to uranium oxychloride.  The uranium oxychloride may then be converted to the pentachloride by mixing it with make-up uranium trioxide and heating the mixed charge with carbon tetra-chloride in an autoclave at 120-160 DEG  C., as in Specification 807,261.  The carbon tetrachloride is maintained in the liquid phase until the end of the reaction, when the excess carbon tetrachloride is evaporated and the product heated to remove any traces of entrapped vapours. The uranium pentachloride formed is then treated in the molecular still above described.  The process is illustrated in Fig. 1.  A modified process is illustrated, in Fig. 2, where the uranium pentachloride formation and regeneration from the tetrachloride is effected according to Specification 800,731 by reacting uranium tetrachloride with gaseous chlorine at 520-550 DEG  C.  As shown, the pentachloride is passed to the molecular still 20 and the product hexachloride is removed as before.  Make-up uranium tetrachloride may be prepared according to Specification 812,121 by reacting uranium dioxide with carbon tetrachloride vapour at 425-500 DEG  C.
Patent GB-1473914-A (GB)
Title: Numerical control system for feed control
IPC: B23Q15/013
Filed: 1974-05-07
Abstract: 1473914 Controlling feed OKUMA MACHINERY WORKS Ltd 7 May 1974 [9 May 1973] 20096/74 Heading G3N In a feed control system comprised in a numerical control system, feed commands being only intermittently available, a notional increment of feed #F is multiplied by factors 1, 2, ..., N in unit 3, and, at provision of clockpulses T, a selected multiplied signal is gated by unit 2 under control of pulse storage circuit 1, to be accumulated with previous signals to form an accumulated total ##F, which is compared with a unit feed amount #X in comparator 6. Whenever ##F exceeds #X, quantity #X is added to an accumulated total X in accumulator 9 the total X comprising feed command data for the machine tool, and a quantity corresponding to #X is subtracted from accumulator 5. Pulses may be generated at a rate (M o ) Fig. 2 (not shown) related to rotational speed of a spindle, the pulse rate (M o ) being successively divided in unit (11). Comparator (10) controls gates (12) in dependence on the rate M o  in relation to a fixed pulse rate from generator (13), the resultant rate (M 1 ), controlling storage circuit 1, having a rate dependent upon spindle speed, the gates being operated to ensure that such rate is of the same order as the rate from generator (13).
Patent GB-501053-A (GB)
Title: Improvements in and relating to pressure control arrangements in apparatus for delivering gases particularly anaesthetic apparatus
IPC: A61M16/10
Filed: 1937-07-20
Abstract: 501,053. Fluid - actuated valves. COXETER & SON, Ltd., WELLESLEY, G., and EDMONDSON, W. July 20, 1937, No. 20106. [Class 135] [Also in Group VI] Apparatus for administering anaesthetic gases or oxygen and comprising two or more gassupply lines, with or without a line leading to a re-breathing-bag, or a single supply line and a re-breathing-bag line, is characterized by the provision, in order to permit rapid adjustment of the pressure of the gases supplied, of a pressure chamber, operatively connected with reducing valves in the supply lines and with the bag, whereby adjustment of the pressure in the chamber simultaneously adjusts the loading on all of the reducing valves and on the hag. As shown, oxygen and nitrous oxide are delivered through highpressure reducing valves 6, 7, Fig. 1 to lowpressure reducing valves comprising nozzles 10, 11 delivering into bags 12, 13, expansion of which under gas pressure closes the nozzles through levers 18, 19, spindles 14 and diaphragms 16, 17, the loading on the bags being effected by oppositely-acting springs 22, 23. In order to effect supply of the gases under increased pressure when required, the loading on the bags 12, 13 is increased by the action of links 40, 41 moved by a piston 38a under the influence of pressure beneath a capsule 38, the pressure being applied from a pressure chamber 32 connected to the high-pressure side of one of the valves 10, 11 through a valve or push-button 33. The chamber 32 has a gauge 34 and a pressure-release valve or button 35. The loading on a bag 42 is increased, simultaneously with the increase in the loading on the supply bags, by a lever 44 connected through a pressure capsule 39 and a conduit 37 with the chamber 32. An outlet valve 45 opened by a stop 46, may be replaced by a valve 51, Fig. 2, having a loading spring 52 and a 'spindle 54 connected to a rubber cup 55 in a casing 50 ; the casing is connected to a conduit 49 mounted on a plate 48 in the bag 42. The loading on this valve is independent of the internal pressure of the bag.
Patent GB-1512844-A (GB)
Title: Piston cylinder and milking assemblies
IPC: A01J5/017
Filed: 1975-05-13
Abstract: 1512844 Cylinders J H ABRAHAMSON B H ABRAHAMSON and W F ABRAHAMSON 13 May 1975 [26 July 1974] 20128/75 Heading F2T In a vacuum cylinder 30, having a piston 6 for pulling on cord 12, to lift an automatic milking assembly away from a cow, an end cap 2 is bayonet locked into mounting ring 3a of the cylinder. This arrangement of the cap facilitates disassembly of the parts, for replacement of the cord 12 on the piston seal 9.
Patent GB-386011-A (GB)
Title: Improvement in method and apparatus for wrapping articles
IPC: B65B51/02
Filed: 1931-07-13
Abstract: 386,011. Wrapping-machines. PACKAGE MACHINERY CO., 132, Birnie Avenue, Springfield, Massachusetts, U.S.A. July 13, 1931, No. 20130. Convention date, Jan. 10. [Class 94 (i).] In machines for enclosing articles in a wrapping material bearing a soluble coating, such as " Cellophane," a solvent, such as ethylene glycol monomethyl ether is applied locally to the external surface of the wrapper during the wrapping operation by the folding or tucking members, the wrapped package being subsequently positioned between heated plates which dry off the solvent. An article a, Fig. 1, is moved by a reciprocating plunger 32 against a sheet of wrapping material which is suspended in any suitable way across guides 33, Fig. 3, and into a folding box 31 where the end tucks and side flaps are made in the usual way. The end tuckers 35 are made in the form shown in Fig. 6, each tucker having a grooved plate 37 which contacts with the tucks and being provided with a hollowed-out portion 39 from which a wick 41 connected with a supply of sealing liquid protrudes and applies some of said solvent as the tuck is being formed. The bottom flap of the wrapper is turned up by stationary folders 70 which are formed with slots 71 through which (liquid applying) wheels 72 protrude and transfer a supply of liquid from troughs 75 to the turned-up bottom flaps of the package. As the articles are carried further along, stationary folding plates 77 turn down the top side flaps over the tucks and the lower side flaps and in this form the package is deposited in a folding chamber, comprising a bottom plate 79, Fig. 22, side plates 80, and end abutment 81. In this position the rear tucks are made by tuckers 82 formed similarly to the tuckers 35 and provided with liquid supplying wicks, the tuckers being of curved formation to prevent the sealing liquid from being applied to the end of the article. After the end tucks are made a dauber 90 applies liquid to the under surface of the end flap, and the folding is completed by raising the package into a delivery chute 97 which may have corrugated walls and may be provided with heaters to dry off the solvent. The sealing liquid or solvent is supplied to the tuckers and dauber by pipes leading from a container 59, which can be adjusted at any desired level to regulate the flow of the liquid in the wicks.
Patent GB-696682-A (GB)
Title: Improvements in or relating to gas producers
IPC: C10J3/30
Filed: 1950-08-14
Abstract: 696,682. Charging gas producers. FARNHAM, R. V. Aug. 14, 1951 [Aug. 14, 1950], No. 20140/50. Class 51(ii) Fuel is fed to a gas producer by means of a device comprising two plates relatively rotated at an appropriate speed and furnished with a plurality of distributed orifices and/or slots of such effective area and distribution as to effect without choking of the orifices and/or slots substantially uniform depth of fuel over the whole area of the producer shell. In the producer shown (Fig. 1) fuel from the hopper m is caused to pass downwards into the producer shell a through a feeding device which comprises fixed and rotatable plates b, c, furnished with openings taking the form of holes of fixed or varying diameter and/or slots having parallel, tapered or other non-parallel sides. The plate c is mounted on rollers f and is rotated at approximately 4 R.P.M. by pinion gearing. The upper ends of the water jacket walls g of the shell are enlarged at h and air is admitted at i to the steam space j and the air and steam are then led by a pipe k to the lower end of the producer into contact with the fuel bed. Means are provided to control the speed of the upper plate c in accordance with the quantity of air entering the producer. A shutter intermittently operated in accordance with the fuel feed is provided to close and open the fuel feed passage to the hopper m. In the embodiment shown the top plate c (Fig. 2) is provided with ribs n and two series of tapered openings o, p, whilst the lower plate b is simply provided with parallel sided slots. The plates may be provided with openings of generally spiral form the width of which becomes gradually less towards the periphery of the plate.
Patent GB-951086-A (GB)
Title: An improved method of lowering the iron content of chromite ores or concentrates without appreciably lowering the chromium oxides contained therein
IPC: C22B1/14
Filed: 1960-06-08
Abstract: The Fe content is partially extracted from chromite ore by roasting the ore in air at 700-750 DEG  C., reducing the Fe2O3 so formed to Fe3O4 and Fe by heating the ore to 1200-1370 DEG  C. in the presence of a gaseous reducing agent and leaching the soluble iron.  The gaseous reducing agent is produced in situ by mixing the oxidised ore with coal.  The reduced ore may be leached with sulphurous acid or weak sulphuric acid. The hot exhaust gases from the reducing stage may be used as the source of heat for the roasting stage. Specification 951,087 is referred to.
Patent GB-809261-A (GB)
Title: Improvements in or relating to apparatus for feeding and severing web material
Inventor: WHEELER HENRY HARRISON
IPC: A24C1/04
Filed: 1956-06-29
Abstract: 809,261. Cigar-making machines. INTERNATIONAL CIGAR MACHINERY CO. June 29, 1956, No. 20237/56. Class 130. [Also in Group XVI] Tobacco sheet material W, Fig. 1, e.g. as disclosed in U.S.A. Specification 2,433,877, is drawn from a reel R obliquely across a rolling table 74 by an oscillating gripper 96 and has binder or wrapper portions severed therefrom by a knife 116 when the gripper 96 has released the drawn web and made or substantially made its return stroke. The gripper 96 has a suction head 98, Fig. 4, and is mounted on a hollow arm 90 of a hollow shaft 26 through which arm and shaft the suction is applied via a pipe 80 when a cam-actuated valve 58 connects it to a suction source 62 during forward strokes of the gripper 96, which thus acts on successive leading ends of the material W. At the end of each forward gripper stroke the valve 58 cuts off the gripper suction and applies suction via a tube 70 and the perforated top 76 of the table 74 to a perforated rolling apron 77 which grips the drawn material during the return gripper stroke. The knife 116 is mounted between the ends of arms 104 straddling the drawn material and both pivoted to a shaft 102 carried by extension arms 100 of the gripper 96 whilst one has an extension 106 with a roller 108 engaging a track 110 mounted adjustably at 114 so that on substantial completion of the gripper return stroke the knife 116 severs the drawn material, Fig. 4. The shaft 26 is oscillated from a cam 42 by linkage 36, 34, 28 and drives intermittently via a ball clutch 122 a gear 118 prevented from reverse movement by a spring- loaded pawl 124 and operating via gears 130, 132 a roller 136 rotating the reel R frictionally at material feed speed during gripper forward strokes. In a modification the gripper is formed by rollers 178, 180, Fig. 5, one of which may be of rubber, which do not rotate on the gripper forward stroke but run back over the drawn material on the gripper return stroke when a ball clutch 188, Fig. 7, allows a gear 194, on the gripper arm 176 and meshing a stationary segment 196, to actuate a gear 184 driving gears 182 on the roller spindles, a pawl 190 preventing reverse rotation of the gear 184. A V-shaped cutter 202 on a slidably mounted operating rod 200 is held against a ledger block 210 on the arm 176 by springs 208. During the gripper forward stroke, the cutter 202 is raised by a cam 240 on the shaft of the gear 194 and acting on a collar 238 on the rod 200, a spring-urged pivoted catch 224 then engaging under a further collar 216 on the rod 200 and retaining the cutter raised during the gripper return stroke until the catch is released by an adjustable trip 232 on the segment 196 and the cutter descends operatively under the action of a spring 220.
Patent GB-1154844-A (GB)
Title: Improvements in and relating to a Casting Process and a Mould Construction therefor
IPC: C30B11/00
Filed: 1966-06-10
Abstract: 1,154,844. Casting processes. UNITED AIRCRAFT CORP. 10 June, 1966 [16 July, 1965], No. 20546/66. Heading B3F. In the casting of articles in which a directionally extending substantially parallel columnar crystalline structure is required the mould has an extension 12 to produce a growth portion external to the machine finished dimension, in which the random crystalline structure caused by direct contact with a chill plate 22 is formed, and which is subsequently machined off. A turbine blade is cast having a growth portion containing the random crystalline structure which is machined off at line 21, leaving a parallel finished blade. Induction heating coils 24 are used to heat the mould and, after pouring, the temperature of the mould is reduced in the direction from the water cooled chill plate to top of the mould.
Patent GB-1216037-A (GB)
Title: Improvements in or relating to timber dressing machines
IPC: B27C1/00
Filed: 1969-04-22
Abstract: 1,216,037. Woodworking. GUILLIET ETABS. 22 April, 1969 [26 April, 1968], No. 20549/69. Heading B5L. A timber-dressing machine which is mainly intended to be placed at the admission end of a multi-face planer 1 comprises a frame 14 supporting an infeed table 3, an exit table 4 and a circular intermediate table 8 disposed so as to provide an annular space 9 between the tables, and an annular set of tools 13 rotatably mounted with respect to the intermediate table for displacement within the annular space. The tables are carried by a beam 5 which is vertically adjustable on the frame 19 so as to align the table 4 with the table of the multi-face planer 1 by rotation of parallel links 25 and rollers 22, the links being joined by a rod 26 adjustable by a screw 28 and handle 32 and the beam being vertically guided by rods 17. The inlet table 3 is vertically adjustable by a similar mechanism actuated by a handle 33. The exit table 4 is rigidly secured to the beam and the circular intermediate table 8 is secured to the upper end of a column 11 mounted on the beam and is at the same height as the exit table. A tool holder 12 is mounted on bearings 56 on the column and is formed with a V-groove 14 for a belt driven by a motor. The tool holder is formed with a plurality of bores 59 which receive tools 13, Fig. 6, consisting of blades 51 of tungsten carbide brazed to cylindrical supports 52. The tools are retained in the bores by locking bolts 62. The machine may be incorporated in a multi-face planer, the exit table constituting the infeed table of the planer. The timber is guided by a face 34 which may be replaced by a further arrangement of tables and tools so that two perpendicular faces of the timber are dressed simultaneously.
Patent GB-1083774-A (GB)
Title: Determining the position of a solid or liquid body
Inventor: PELL-WALPOLE JOHN EDWARD
IPC: G01L9/00
Filed: 1965-05-14
Abstract: 1,083,774. Electro-physical measurement. FOSECO TECHNIK Ltd. May 9, 1966 [May 14, 1965], No. 20554/65. Heading G1N. The level of a mercury column in a thermometer is determined by a capacitor pick-off formed by a conducting sleeve e.g. of metal foil or a deposited layer of metal or graphite on the glass tube, and the mercury. The mercury is connected directly or through a further capacitor sleeve to a 10 Kcs transistor oscillator,and the variable impedance of the capacitor (representing the height of the column) is measured by an amplifier and rectifier meter circuit.
Patent GB-478683-A (GB)
Title: Improvements relating to means for balancing reciprocating engines of the radial-cylinder type, subjected to vibratory couples
IPC: F02B75/18
Filed: 1936-07-24
Abstract: 478,683. Balancing engines. SARAZIN, R. R. R. July 24, 1936, No. 20593. Convention date, June 9. [Class 122 (iii)] Radial-cylinder engines having a connecting- rod system of the master and articulated - rod type and which are subject to vibratory couples, are balanced by mounting in the engine casing masses which are oscillated or rotated to produce in a plane perpendicular to the engine crank-shaft a torque which is zero when the master piston is at its dead centre positions and which has two oppositelydirected maxima for each complete revolution' of the crank-shaft. The counterbalance device 2 is pivoted on the casing 1 on an axis parallel to the engine shaft. The device is oscillated by a link 3 connected to a crank 4 on a shaft 5 which is driven at a speed equal to that of the engine shaft. In the construction shown in Fig. 2, oppositely-disposed masses 8 are arranged on oppositely-rotating shafts 6 on each side of the engine, arranged parallel to the plane of the couple to be balanced. In the construction shown in Fig. 4, oppositelydisposed masses 11 are arranged on axes 9, 10 rotating in the same direction as the main shaft, and at right-angles to the plane of the couple to be balanced. The shafts 9, 10 are preferably driven by the mechanism driving the distribution cam. A toothed wheel on the engine shaft drives intermediate pinions 14 rotating about axes 15 which operate the cam. The pinions 14 operate toothed wheels 18 on the shafts 9, 10. In radial cylinder engines with two groups of cylinders, the shafts 9, 10 can be provided on one or both sides of the engine.
Patent GB-423100-A (GB)
Title: Improvements in or relating to variable speed transmission gearing
IPC: F16H3/72
Filed: 1933-07-21
Abstract: 423,100. Variable - speed gearing. BULLOCK AUTO-GEAR, Ltd., and BULLOCK, H. W., 2, College Road, Harrow, Middlesex. July 21, 1933, No. 20613. [Class 80 (ii)] [See also Group XXIX] In a variable-speed gear comprising a sun gear 6 secured to the driven shaft 7 and meshing with planet pinions 5 carried by a casing 4 secured to the driving shaft 3, and having gear pumps driven by the relative rotation between the driving and driven shafts and forcing liquid to motors geared to the driven shaft, the flow to the motors is controlled by a valve responsive to the speed of the driven shaft. The pinions co-operate with the sun gear to form the gear pumps, which deliver oil to the motors 9, arranged in a fixed housing 8 and geared to a pinion 74 connected to the shaft 7 through a one-way clutch 75, through passages 12 in the casing 4, passages 13, 14 in the shaft 7, a passage 15 in the housing 8, and a ported hollow piston valve 10 mounted in the housing. The exhaust from the motors passes to the pumps through passages 21 in the housing, passages 23 in a fixed sleeve 22, passages 25 in the casing 4, the hollow spindles 26 of the planet pinions, and passages 27 in the casing 4. A spring-loaded relief valve 18 is associated with the passage 15. The valve 10 is moved longitudinally under the control of a centrifugal governor 76 geared to the shaft 7, and rotary movement is also imparted to the valve by means of helical splines 58. The valve has helical outlet ports of equal widths but of different lengths, whereby, as the speed of shaft 7 increases, the supply to the motors is successively cut off until a solid drive results. In the extreme right-hand position of the valve, a further port therein registers with a passage 36 leading into the enclosing casing 1, whereby the pump circuit is opened. The valve 10 may be moved by hand by means of fork 61. Leakage oil collecting in the casing 1 is carried round by the casing 4 against a rib 81 and is led by a pipe 79 into an annulus 78 on the casing 4, whence it passes into the latter through passages 151 and into the pumps through other passages. The shaft 7 is connected to a final driven shaft 11 through epicyclic reversing gear identical with that described in Specification 398,235.
Patent GB-206447-A (GB)
Abstract: 206,447. Breitr³ck, E. April 13, 1923. Lighting-torches, non-electric. - A pyrophoric igniting device is provide with a wick or the like normally not fed with inflammable material but lying in the range of the spares and with a benzine or like reservoir adapted to be moved for the purpose of placing a drop of the fuel on the wick or the like. In one form. the igniter comprises a frame t formed with a handle v and carrying a flint b pressed by a spring p against a frictionwheel a adapted, on pulling a trigger c, to be rotated in one direction and then returned by a spring d to produce a stream of sparks for lighting gas or easily ignited materials. The head of an asbestos wick f or the like arranged in a shell h lies in the range of the sparks and a lever k carrying a benzine reservoir m can be rotated about a pivot i so that the point s of a spring-pressed valve in an outlet n strikes the head of the wick to open the valve and supply a drop of benzine, which can be ignited by pulling the trigger c and employed for lighting less easily ignited materials or as a small lamp. The reservoir m is returned to its original position by a spring o. The shell h may be provided with a small socket at the top.
Patent GB-493659-A (GB)
Title: Improvements in anti-skid chain devices for vehicle wheels
IPC: B60C27/06
Filed: 1937-07-27
Abstract: 493,659. Wheel tyres. GRIFFITHS, E. July 27, 1937, No. 20689. [Class 144 (ii)] To prevent damage to the attachment strap 6 of a tyre-gaiter of the kind described in Specification 339,524, [Class 144 (ii)], a length of chain 5, wire-mesh or other articulated metal, is incorporated in the strap at the part liable to contact with the rim or wheel. As shown, a leather backing-strip 7 secured by a headed stud 7a tends to space the chain &c. 5 from the wheel.
Patent GB-219514-A (GB)
Title: An improved electric soldering or welding tool
IPC: B23K9/28
Filed: 1923-08-14
Abstract: 219,514. Lombardi, L. Aug. 14, 1923. Drawings to Specification. Electromagnets.-An electromagnet for an arcwelding tool consists of a number of bundles of insulated iron wires, each bundle being surrounded by a coil, and the whole being embedded in an insulating mass contained in a casing.