baber/WOPTO huggingface dataset:
Patent GB-632438-A (GB)
Title: Improvements in and relating to the separation of gaseous mixtures at low temperatures
IPC: F25J3/02
Filed: 1947-02-19
Abstract: 632,438. Separation of gases. AICHER, A. A., and PETROCARBON, Ltd. Feb. 19, 1947, No. 4811. [Class 8(ii)] In a process for the separation of gaseous mixtures at low temperatures in a plurality of fractionating columns a, c, cold vapour of a refrigerant, e.g., ethylene which has been condensed at h at a pressure of say 13 atmospheres and expanded at j to say 4 atmospheres and then vaporized performing refrigerating duty, e.g., in a reflux condenser o, is at least in part reliquefied in the reboiler b of the column c, and the liquid so formed is expanded at r to a still. lower pressure, say 1 atmosphere and effects further refrigerating duty, e.g., in a reflux condenser s.- The refrigeration is assisted by liquid ethylene expanded directly from 13 to 1 atmospheres through a valve m. In operation liquefied hydrocarbons to be separated at 4 atmospheres pressure enter at a<SP>1</SP> the fractionating column a. Liquid residue leaves at the base and gaseous ethane and ethylene from the head traverses coolers, i, l and is condensed in a tube b, expanded to 1.5 atmospheres pressure at d and is separated into gaseous ethylene which leaves the head and gaseous ethane which leaves near the base. The ethylene refrigerant is compressed at e, f, to 13 atmospheres and traverses a heat exchanger g before being condensed at h to serve to cool the coolers i, l in passing to the valves j, in which the pressure is reduced to 4 and 1 atmospheres respectively. Spent refrigerant is returned through the coolers i, l, and the heat exchanger g.
Patent GB-585796-A (GB)
Title: Improvements in or relating to cooling towers
IPC: F28F25/08
Filed: 1943-03-26
Abstract: 585,796. Cooling-towers. KIER & CO., Ltd., J. L., WESTERGAARD, O. L. B., and BRANCZIK, K. W. March 26, 1943, No. 4968. [Class 55 (ii)] [Also in Group XIII] An irrigation element for a cooling tower, of moulded or cast concrete &c. comprises a pair of side walls 1, which simulate weather boards or parallel-sided laths, and integral end and, if desired, transverse walls 2, 3 respectively, the underside of the end walls 2 being provided with bearing faces 4 by which the element may rest on its bearers C at the required inclination to the vertical plane. As shown in Fig. 4 the elements are arranged with alternate elements across one bay of the tower, the intermediate elements being disposed across an adjacent bay. In a modification, Fig. 7, bearing faces 4 are also provided on the upper faces of the end walls 2 so that a horizontal series of elements in one bay may be supported by the corresponding ends of the elements in the next lower series in both the two adjacent bays. Specifications 184,653, [Class 29], 518,373, 543,110 and 562,903, [all in Group XIII], are referred to.
Patent GB-567341-A (GB)
Title: Improvements relating to electric regulators of the carbon pile type
IPC: H02P9/22
Filed: 1943-03-30
Abstract: 567,341. Automatic regulators. STONE & CO., Ltd., J., and KYTE, G. H. March 30, 1943, No. 5080. [Classes 35 and 38 (iv)] The electromagnetic system controlling a carbon pile type regulator is so related to the characteristic of the spring that the lower end of the force/movement curve K, Fig. 1, of the magnet system, approximates to a curve I representing the difference between the spring force S and the pile reaction P, lying between that curve and the force/movement characteristic S of the spring, while no negative slope is introduced at the maximum end of the curve of regulated voltage/movement. This produces a voltage/ movement curve Vk, Fig. 2, having a higher value at the point B and without the droop of the normal curve Vm for a magnet system having a straight-line characteristic M. This is effected by shaping the rotary armature A of the magnet B as known to produce a straightline magnet characteristic and then further rounding off the leading edges of the rotor. A corresponding modification of a clapper armature is made by tapering the leading edges of wedge-shaped blades on the armature that enter slots in the polepieces. The improved construction may be combined with a lostmotion gap as shown in Fig. 5. A lever H controlled by a spring T opposes the pressure on the pile E of the main spring acting upon the armature A, so that when the armature approaches its stop C the pressure on the pile is limited by the force of the spring T. When the magnet B is excited and the armature moves, the lever H follows up until the gap G is closed, preventing decrease in the pressure on the pile over the first part of the range of the armature. Specifications 414,122 and 558,621 are referred to.
Patent GB-512555-A (GB)
Title: Improved beers and ales
IPC: C12H1/14
Filed: 1939-02-16
Abstract: 512,555. Stabilizing beer. TRIGGS, W. W. (Wallerstein Co., Inc.) Feb. 16,1939, No. 5089. [Class 14 (ii)] Beer is stabilized as to taste and flavour by incorporating in it, before packaging, a non-toxic substance capable of lowering its oxidation-reduction potential. The preferred substance is ascorbic acid, which gives the beverage the properties characteristic of vitamin C, although the stereo-isomers and analognes such as gluco-ascorbic acid or arabo-ascorbic acid, and the reductones-obtained from sugar by the action of alkali-or reductinic acid may be used. These materials contain the group <OH> > C = C < <OH> which is believed to be an active potential-lowering group.
Patent GB-199426-A (GB)
Title: Improvements in fluid pressure motors
IPC: F01C3/02
Filed: 1922-02-22
Abstract: 199,426. Meredith, J. Feb. 22, 1922 Rotary cylindrical valves.-A motor worked by steam, gas, air or water, a compressor, or a pump has two groups a of parallel cylinders rotating on axes at right-angles, and connected by common, right-angled pistons e. Power is taken from a pulley on a shaft a<4> driven by toothed gearing a<1>, a<2> from one group. Normally - stationary, stepped, supply valves, Fig. 8, coaxial with the cylinder-group axes, containing cavities d<3> for connecting terminal exhaust cylinders to avoid compression, and longitudinally adjustable by toothed and rack-and-pinion gearing for cut-off and reversal, or valves controlling both supply and exhaust, are provided. One group only may constitute the motor, the other, a compressor or pump.
Patent GB-582515-A (GB)
Title: Improvements in or relating to rotary mixing machines
IPC: B28C5/42
Filed: 1944-03-20
Abstract: 582,515. Mixing apparatus. JAEGER, G., and BOHMER, C. I. March 20, 1944, No. 5150. [Class 86] A mixing machine comprises a rotatable mixing drum having a common opening for loading and discharging, a non-rotatable charging hopper, a door member interposed between the hopper and the drum, a toggle mechanism acting to move the door between charging and discharging positions, and resilient means for maintaining the hopper in constant association with the door member. The rotary drum 2, Fig. 2, of a concrete mixing machine has a loading and discharging opening 3 provided with an annular door 6, carried by a sleeve 9 rotatable about a sleeve 10 on a shaft 7 which is coaxial and rotatable with the drum 2. A sleeve 20 fits loosely over the sleeve 10, bears at one end against the sleeve 9, and is secured at the other end to a hopper 13. The latter is suspended from a framework 25 by a pair of links 27 which are inclined upwardly toward the drum in both the charging and discharging positions of the hopper, so that sealing rings 14, 16 on the hopper 13 and the door 6, respectively, are brought into contact. For maintaining the seal between the rings 14, 16 a pair of springs 30 bear against brackets 32 secured to the hopper and against a plate 33 linked to the end of the sleeve 10. Connected to the sleeve 10, and acting thereon to move the door 6 towards or away from the mixing drum, is a toggle mechanism comprising a pair of links 44 connected to a collar 41 on the sleeve 10, and a pair of links 46 keyed to a transverse shaft 47, rotatable through links 54, 56 by gearing operated by a handwheel, not shown. During movement to the discharging position a cap 24a on the sleeve 10 bears against the sleeve 9 which carries the door 6, and during movement to the charging position the motion of the sleeve 10 is transmitted to the door 6 through the plate 33, springs 30, and the hopper 13. When the door 6 is closed a sealing ring 11 thereon contacts with an annular knife-edge 12, and the door rotates with the drum. Screw type mixing blades 4 cause material to be drawn into or expelled from the drum, depending on the direction of rotation thereof.
Patent GB-123991-A (GB)
Title: Improvements in Feed Apparatus for Roller Mills.
Inventor: HAGMANN OTTO
IPC: B02C4/28
Filed: 1919-03-01
Abstract: 123,991. Hagmann, O. March 7, 1918, [Convention date]. Roller mills. - Material is fed in a uniform unbroken sheet 10 to the rollers of a mill by means of a device comprising a fluted feed-roll 2 which co-operates with a slowly-running roll 1 on the feed-gate 9 and delivers material over a plate. 5 to a feedroll 3, running more quickly than the roll 2. The inclination of the plate 5 is less than the angle of repose of the material, and the plane containing the axes of the rolls 2, 3 is parallel to the plate. The material is delivered to the plate in strips which pass over the plate and coalesce at the bottom to form a uniform layer.
Patent GB-924672-A (GB)
Title: Improvements in or relating to electrical digital computers
Inventor: STRACHEY CHRISTOPHER
IPC: G06F9/48
Filed: 1959-02-16
Abstract: 924,672. Electrical digital calculating-apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Feb. 9, 1960 [Feb. 16, 1959], No. 5263/59. Class 106 (1). A plurality of independent programmes are conducted concurrently by connecting a common computer to the several sets of peripheral equipment associated with the different programmes one after another, whereby the programmes are interleaved, the programmes being accorded a predetermined priority. The invention arises from the fact that the computer operates at a much greater speed than the peripheral equipment. The computer is controlled by a director FS. The director FS, working store WS and main store MS together form a magnetic matrix but the director alone has non-destructive read-out. When the computer is taken into use the director allots an unused block of the main store MS to the problem, inserts the relevant addresses in instruction register IR and establishes the store limits. An address comparator thereafter maintains a test to see that these limits are observed. When a set of peripheral equipment associaated with a programme is ready to use the common computer it is allotted an input channel in a waiting list register WLR. A comparator PRC compares the priority of the calling programme with that being operated on by the computer. If the current programme has greater priority, or if the current operation is multiplication or division, the calling programme stays in the queue. As the computer completes each operation the queue is advanced and the waiting programme with the highest priority is dealt with. If, on the other hand, the calling programme has sufficient priority the circuit INT is energized to interrupt the computer. The current programme is halted and its state as represented by counter CNR is transferred to the working store WS. This record is used subsequently at completion of the interrupted programme. Variations are described whereby ordinary priorities are over-ridden if a calling programme has been in the queue for a predetermined time, or a sub-programme is permitted to be completed without interruption. Specifications 883,665, 893,555 and 904,334 are referred to.
Patent GB-431362-A (GB)
Title: Improvements in or relating to the combustion chambers of internal combustion engines of the compression ignition type
IPC: F02B19/04
Filed: 1934-02-17
Abstract: 431,362. Oil engines. RUSSELL, F. C., Lundy, Warwick Road, Hale, and BRADBURY, J. H., 8, Broadway, Ashton-on- Mersey, both in Cheshire. Feb. 17, 1934, No. 5265. [Class 7 (iii)] Relates to combustion chambers, in shape substantially volumes of revolution, connected to the cylinder by a tangential passage through which air is propelled at high velocity during the latter part of the piston stroke, the piston being provided with an extension adapted to enter such passage and wherein the fuel is injected at a point away from the passage. According to the invention the fuel injector k is inclined to the cylinder axis and is positioned and arranged so that the axis of the injector is directed through a clear-through passage of substantial area presented by the communicating passage g. The fuel jet is directed on to the piston extension e and is substantially unmasked therefrom until the extension leaves the passage g. The periphery h of the combustion chamber, the axis of which is short, is concave, the radius of curvature being approximately one-third or less of the maximum diameter of the chamber. The part h<2> of the fuel-injector passage is bevelled or shaped away so as not to interfere with the whirling of the gases in the chamber. The tangential wall h<1> of the passage g is slightly inclined to the cylinder axis, so that as the piston extension e rises in the passage, the cross-section of the crescent-shaped passage so formed decreases. The fuel spray strikes the extension e at such an angle that it is deflected into the high-velocity air stream and is thoroughly mixed with and carried round by it. Specifications 361,202 and 428,067 are referred to.
Patent GB-1085275-A (GB)
Title: Vertical tube heat exchangers
Inventor: ATKINS KENNETH THOMAS GEORGE
IPC: F28D7/00
Filed: 1964-02-07
Abstract: 1,085,275. Catalytic tube furnaces. IMPERIAL CHEMICAL INDUSTRIES Ltd. Jan. 28, 1965 [Feb. 7, 1964], No. 5280/64. Heading B1F. [Also in Division F4] Chemical apparatus particularly for the steam reforming of hydrocarbons comprises a shell 16 containing a plurality of vertical tubes 10. The steam and hydrocarbons pass through the tubes 10 which may contain a catalyst such as nickel. The tubes are placed in fluid communication with associated upper and lower headers by thin-walled tubes 14. At least the lower header 12 is positioned inside the shell 16. The tubes 14 are arranged to be accessible from outside the shell 16 (e.g. by means of detachable covers 20 on the shell structure); and when it is desired to isolate one or other of the tubes 10 for servicing, then the appropriate tubes 14 are crushed to prevent fluid flow therethrough. The lower header 12 is supported from the upright tubes 10 by directly welding it thereto (as shown), by ties (not illustrated) or by the thin-walled tubes (Fig. 2). The temperature of the steam, hydrocarbons and product gases inside the tubes be from 400‹ to 1000‹C.; and the pressure may range from 100 to 500 p.s.i.
Patent GB-706112-A (GB)
Title: Safety valve device
Inventor: KLINKENBERG OTTO
IPC: F16K17/08
Filed: 1951-03-05
Abstract: 706,112. Valves; pressure-relieving devices for fluids. BASTIAN-BLESSING CO. March 5, 1951, No. 5318/51. Class 135 In a safety valve the crosssectional area of the closure member is three to four times greater than the seat opening and the peripheral portion of the member extends downwardly below the seat at least <SP>1</SP>/ 32  and not in excess of <SP>3</SP>/ 16  of an inch. In the safety valve an elastomer closure member 10 is carried in a recess in a retainer 6 so as to form a huddling chamber 17, a vent 30 through the retainer preventing accumulation of fluid behind the member 10 and the adjustable spring 7 loading the retainer acting as a solid stop for the full-open position. A vent 31 at the bottom of the casing allows water to escape from around the valve. The inlet 2a is slightly convergent, and the outlet 26 formed in the spring adjusting screw 9. The vent 30 may be used as an auxiliary relief passage for the valve and may be closed by plastic, elastomer or fusible material.
Patent GB-1211341-A (GB)
Title: Electronic apparatus for variable phase displacement and the application thereof to radar antennae
Inventor: NICOLAS MICHAEL JACQUES ROBERT
IPC: H01P1/18
Filed: 1969-02-07
Abstract: 1,211,341. Phase shifters. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. 7 Feb., 1964 [7 Feb., 1963], No. 5367/64. Heading H1W. [Also in Division H4] A variable electronic phase-shifting device intended for the scanning of radar antennas (not shown) comprises a number of ultra high-frequency switches, four such switches C 1  ... C 4  being shown in the drawing. The switches are of the " circulator " type and are controlled by coils B 1  . . . B 4 . Each switch has two positions, i.e. a straight through position as shown by the solid line arrow for switch C 1  and another position indicated by the broken line arrows in which energy is directed along outputs S 1  ... S 4  to incident-energy reflectors R 1  . . . R 4  to produce a phase-shift, the degree of phase-shift being determined by the lengths L 1  . . . L 4  of the waveguides or coaxial cables forming the energy paths to and from the reflectors. As shown, the lengths L 1  . . . L 4  are different and produce, respectively, phaseshifts of #/8, #/4, #/2 and #. Thus by suitably controlling the switches C 1  . . . C 4  sixteen equally spaced phase shifts may be produced between 0 and 2#.
Patent GB-778912-A (GB)
Title: Feeding bottle
IPC: A61J9/08
Filed: 1954-02-24
Abstract: 778,912. Feeding-bottles. BLAU, H. Feb. 24, 1954, No. 5478/54. Class 66. [Also in Group XIII] A baby's feeding bottle that is resiliently supported by separate insulation in an outer container (see Group XIII) has a flanged teat 22 that may be inverted within the bottle neck 3 and retained therein by an apertured screw cap 5 to form a closure for the bottle.
Patent GB-511692-A (GB)
Title: Manufacture of azo-dyestuffs
IPC: C09B29/08
Filed: 1938-02-22
Abstract: 511,692. Dyes. I.G. FARBENINDUSTRIE AKT.-GES. Feb. 22, 1938, No. 5557. Convention date, March 27, 1937. Sample furnished. [Class 2 (iii)] Azo-dyes which dye leather or wool red-brown of yellow-brown tints are made by diazotizing a p-nitraniline of the formula and coupling with an aniline of the formula where Z is any monovalent substituent except -SO3H, and R and R<1> are alkyl groups which may contain hydroxy and/or sulphonic groups as substituents. In examples, sodium 2-bromo- 4-nitraniline-6-sulphonate is diazotized and coupled with N-di-(#-oxyethyl)-m-toluidine or N -di -( #-oxyethyl) -m-chloraniline. A sample has been furnished under Sect. 2 (5) of a product prepared by diazotizing sodium 2-chloro-4-nitraniline-6-sulphonate and coupling with ethyl-m-tolyl-taurine. Specification 443,859 and French Specification 792,977 are referred to. 2-Bromo-4-nitraniline-6-sulphonic acid is obtained by brominating 4-nitraniline-6-sulphonic acid. 2-Chloro-4-nitraniline-6-sulphonic acid is obtained by chlorinating 4-nitraniline-6-sulphonic acid or by reacting 1.2-dichloro-4-nitrobenzene- 6-sulphonic acid with ammonia.
Patent GB-1023266-A (GB)
Title: Improvements in grippers, tongs or the like handling devices
IPC: A47J43/28
Filed: 1965-02-09
Abstract: 1,023,266. Tongs. A. F. RICARD-SALA. Feb. 9, 1965 [Feb. 10, 1964], No. 5585/65. Heading B4W. Tongs for gripping ice, pastry and other bulky articles comprise two flexible strips X, Y riveted together near their ends to form the arms F, G of the tongs, the strip Y being longer than the strip X and formed into ovoid shape to form the handle, the ends of the arms converging so that the tongs are normally closed. The centre part B of the arm X is more rigid than the rest so that the ends C, D of the centre part act as pivot points about which the arms move to open and close when the longer strip is squeezed.
Patent GB-928567-A (GB)
Title: Forced-air refrigerator
IPC: F25D17/06
Filed: 1962-02-14
Abstract: 928,567. Valves. GENERAL MOTORS CORPORATION. Feb. 14, 1962 [March 13, 1961], No. 5652/62. Class 135. [Also in Group XIII] In a forced-air refrigerator having a movable partition 52 dividing the storage space into compartments having different temperatures (see Group XIII), a damper 131 biased to the closed position by a hinge spring 268 is opened when the partition is slid into position adjacent the damper, the latter being opened when a cam 266 on the damper is engaged by the partition.
Patent GB-1411653-A (GB)
Title: Premixed dry surface bonding cement composition
IPC: C04B28/12
Filed: 1973-02-05
Abstract: 1411653 Cement compositions W R BONSAL CO 5 Feb 1973 5688/73 Heading C1H A premixed dry surface bonding cement composition comprises, in per cent b.w., white or grey cement 32-80; mineral fillers 10-65; fibreglass 0À75-4; hydrated lime 6-15; accelerators 0À5-2; air entrainer 0À01-0À025; waterproofer 0-4. Fillers are granite, slag, shale, silica sand and marble - 30 mesh; accelerators are NaCl or BaCl 2 ; air entrainers are fats, oils or natural wood resin products; waterproofers are Zn, Al, NH 4 , Cd, Mg, Li and BaSt and oleates; whilst fibres are of E glass, “ to 2 inch length, preferably silane coated.
Patent GB-490948-A (GB)
Title: Improvements in and relating to methods of dynamic braking of electric motors
IPC: H02P3/18
Filed: 1937-02-25
Abstract: 490,948. Control of A.C. motors, BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 25, 1937, No. 5690. Convention date, Feb. 26, 1936. [Class 38 (iii)] Non-regenerative braking.-A squirrel-cage induction motor is braked by disconnecting it from the normal supply generator, connecting an impedance across its primary winding, and exciting it from a separate synchronous dynamo-electric machine at a gradually decreasing frequency. When a switch 16 is thrown from its left to its right-hand position, the motor is disconnected from the supply and impedance 17 connected across its primary windings 11. A machine 13 which normally operates as a synchronous condenser connected to the motor and improving the power factor remains connected to the primary windings 11 and excites the motor at a frequency which gradually decreases as the machine 13 runs down, Thus the motor is braked and the slip remains low throughout the braking period, excessive heating in the secondary 10, which has a low resistance winding, being avoided. The braking may bo controlled by varying the impedance 17 or the excitation of the machine 13. In a modification, Fig. 2 (not shown), the machine 13 is connected to an additional primary winding on the motor, and is provided with an adjustable mechanical brake whereby its rate of deceleration may be controlled. The machine 13 may not run during normal running operation of the motor but is self-started just before a braking operation. In a further modification, Fig. 3 (not shown), the machine 13 is loaded by a small adjustable speed motor, and supplies a tapping on the primary of the main motor. Specification 190,488, [Class 38 (iii)], is referred to.
Patent GB-365377-A (GB)
Title: Improvements relating to artificial lures for fishing
IPC: A01K85/12
Filed: 1931-02-24
Abstract: 365,377. Spinning-tackle. ALLAN, A., 3, West Nile Street, Glasgow. Feb. 24, 1931, No. 5742. [Class 48.] A spinner comprises blades 3 which are formed integral with a resilient clip 2.
Patent GB-117590-A (GB)
Title: Improvements in and relating to Aerial Wire Ropeways.
Inventor: WHITE JOSEPH WALWYN
IPC: B61B12/02
Filed: 1917-01-04
Abstract: 117,590. White, J. W. Jan. 4, 1917. Rope grips.-The movable jaw of a double-jaw rope-grip attaching the carriage supporting the load to the haulage rope of an aerial ropeway is held against the fixed jaw by a weight, spring, or by the weight of the load as described in Specification 28982/13, and is locked in this position by a releasable cam arm, stop, or the like. An adjustable abutment 11 on an extension 10 of the movable jaw 6 bears against a cam locking-plate 12 carried by a spindle 13. A counterweight 18 on a lever 16 provided with a roller 17 normally maintains the cam in position to lock the jaws. The cam is withdrawn from the abutment 11 when the roller 17 is raised by a rail placed at any desired point of the travel of the carriage. In a modification, the cam may be pivoted on the hanger 1 and bear against the sleeve 9.