baber/WOPTO huggingface dataset:
Patent GB-1203713-A (GB)
Title: Modular power supply apparatus
Inventor: ETTINGER JAMES PHELIX
IPC: H02M7/04
Filed: 1968-05-14
Abstract: 1,203,713. Installation wiring; control of D.C. motors. ELECTRIC REGULATOR CORP. 14 May, 1968 [31 Jan., 1968], No. 22905/68. Headings H2H and H2J. Apparatus forming a power supply, e.g. for an electric motor, comprises a base on which are mounted a plurality of bus-bars and having exposed bus-bar ends located in spaced pairs, a plurality of modules each of which comprises a support on which an electrical unit is mounted and which is adapted to be detachably secured between a given pair of the bus-bar ends, each module comprising terminals which are electrically connected to the respective electrical unit and the terminals being in electrical connection with the bus-bar ends when the module is secured thereto. Individual modules contain certain elements of the electric motor control and supply system, such as the starting and stopping circuitry, various controlled and uncontrolled rectifiers, saturable reactors, parameter sensing elements, parameter reference setting devices and switching elements. The motor may be a D.C. motor having a commutating field, a shunt field and a stabilizing field which are supplied with D.C. from an A.C. source by way of thyristors, the firing points of the thyristors being controlled by the error signal between a reference signal and the rectifier output voltage and saturable reactors. Set value devices for minimum speed, maximum speed, maximum current and IR compensation are provided. The heavy current carrying modules are bolted to the ends of the bus-bars whereas the control circuit modules may be connected thereto by plug and socket connectors.
Patent GB-386588-A (GB)
Title: Improvements in or relating to vacuum cleaners
IPC: A47L9/32
Filed: 1932-08-16
Abstract: 386,588. Dust-collectors for vacuum cleaners. ELECTROLUX, Ltd., 153, Regent Street, London.-(Assignees of Inventia Patent-Verwertungs-Ges. ; 10, Herrenacker, Schaffhausen, Switzerland.) Aug. 16, 1932, No. 22948. Convention date, Aug. 17, 1931. [Class 8 (ii).] A dust-collector for a vacuum cleaner comprises a collapsible impervious container 16 of paper &c. supported rigidly, e.g. by an outer container 10 and having a filter 14. The filter is tensioned over a frame 17 and apertured for passage of a suction member 18. A handle 11 on the container has a spring catch engaging the motor-fan unit. The edges of the collector 16 project over the edges of the support 10, and may be drawn together by a string before removal.
Patent GB-262859-A (GB)
Title: Improvements in electric furnaces, ovens and other heating chambers
IPC: H05B3/00
Filed: 1925-09-16
Abstract: 262,859. North, N. E. Sept. 16, 1925. Resistance furnaces.-A furnace or other heating chamber, which may be of the rotary rocking type and is particularly suitable for sherardizing, is heated by a resistance comprising a comparatively wide metal band in the form of an unbroken ring surrounding the heating space, the connections to the ring being such that the current flows round it in paths which are in parallel electrically. The resistance may comprise a sheet iron shell of cylindrical, rectangular, spherical or other shape, open or closed at the ends, and constituting the furnace lining. Suitable doors are provided and the lining may be surrounded by heat insulation. The supply connections 3 may be connected to switches 9 having a plurality of contacts 10 so as to vary the heating effect. Several resistance rings may be connected in parallel.
Patent GB-270234-A (GB)
Title: Improvements in and relating to mirrors
IPC: C03C17/22
Filed: 1926-09-20
Abstract: 270,234. Colbert, G. F., and Colbert, W. H. Sept. 20, 1926. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 1, 1927.] Silvering and platinizing; ornamenting. - A mirror of moderate reflecting power, substantially free from " glare," is constituted by a sheet of clear glass having deposited on its rear face a reflective layer of lead sulphide which is deposited by the action of thiourea from solutions in which the weight of thiourea present is not less than the weight of the lead. The preferred solutions comprise :-(1) Lead acetate 1 oz., water 24 oz.; (2) sodium hydroxide 2 oz., water 32 oz.; (3) thiourea 1 oz., water 48 oz., four parts of (3) being mixed with one part of (1), and one part of (2) then added. Other alkalies may be substituted ior sodium hydroxide. Specifications 1112/80 and 4420/01, [Class 56, Glass], are referred to. The Specification, as open to inspection under Sect. 91 (3) (a) comprises also the use of silver, or of lead, copper, nickel, cobalt, or platinum, alone or combined with silver, for a reflecting layer. For silver the mixture (3 )is replaced by one of Rochelle salt, grape sugar, cane sugar, and nitric acid; or alternatively of Rochelle salt and sodium hydroxide. This subject-matter does not appear in the Specification as accepted.
Patent GB-920774-A (GB)
Title: Improved loom reed
IPC: D03D49/62
Filed: 1959-07-07
Abstract: 920,774. Loom reeds. SCHMIDT MANUFACTURING CO. July 7, 1959 [July 18, 1958], No. 23255/59. Addition to 839,588. Class 142 (2). A reed comprises reed wires 22 spaced apart by a helical spring 26 and flanked by bars 10, an elastomer 24 being applied to penetrate between the ends of the wires and to enclose the spring. To prevent endwise pressure from buckling the wires when the reed is clamped in a loom, a channel 30 embraces the bars 10 and is secured to them at each end of the reed, the space between the channel and the ends of the wires being filled with the elastomer. Alternatively, the channel 30 is omitted and the bars 10 protrude beyond the ends of the wires, the gap between the bars being filled with elastomer.
Patent GB-615200-A (GB)
Title: Improvements in or relating to brackets for attachment to walls
IPC: E04G5/06
Filed: 1946-08-06
Abstract: 615,200. Wall brackets. MUNDAY, E. E. Aug. 6, 1946, Nos. 23263/46 and 9116/47. [Class 52 (v)] [Also in Group X] A bracket for supporting a load on brick and the like walls comprises a triangular framework the horizontal load-bearing member of which is extended to penetrate the wall and the extension is fitted with one or more abutments which engage the inner side of the wall. The framework is constructed of T-shaped metal and comprises horizontal member 1, strut member 4 and vertical member 3 which is hinged at 7 to the strut 4, is curved to avoid irregularities in the wall surface and is attached adjustably to the inner end of the member 1 by means of plates 17 and an adjustable lever 14 which is pivoted to the plates 17 at 18 and to the member 1 at 16. The web of the member 1 is continued inwards to form a hook 10 on an extension 2 which is of a size to fit in the space formed by the removal of mortar from between bricks. A socket 11 is fixed to the member 1 to support a bracing scaffold rod 24 between two like brackets. The rod 24 may be connected to the next lower stage or the ground by braces 25 and telescopic member 26. Modifications described comprise toggles secured to the member 1 by an axle which passes through a locating member, which may be substituted for a brick, the device being inserted by pushing the toggle through the wall with the bracket horizontal and then turning the bracket vertically; or the locating member may be fixed to the member 1 and the toggle which may be spring- urged turned from the outside of the wall ; or the locating member may be a tongue which fits in a slot between courses of bricks the bracket secured by toggles passing through the same slot. In all the forms described, horizontal stays engaging the outside surfaces of the walls may be fitted.
Patent GB-749018-A (GB)
Title: Improvements in or relating to processes for azeotropic dehydration of aqueous acetic acid or aqueous mixtures of acetic acid and acetic anhydride
IPC: C07C51/46
Filed: 1953-08-24
Abstract: <PICT:0749018/III/1> A process for dehydrating and purifying aqueous acetic acid, or a mixture of acetic acid and acetic anhydride, which contains acetaldehyde and/or similar volatile, water-soluble impurities, by azeotropic distillation using a main water-entrainer (e.g. ethyl acetate), and an auxiliary water-entrainer (e.g. cyclohexane) which forms a water-azeotrope more volatile than that formed by the main entrainer, is characterized in that reflux liquid in the upper section of the distilling column, which liquid comprises auxiliary waterentrainer, water and only a small proportion of the volatile impurities in the feed is subjected to hot decantation, either in the column itself or by withdrawing it as a side-stream to an external decanter, the aqueous decanted layer being withdrawn from the system, and the non-aqueous layer being allowed to flow back down the column.  The vapours rising above the level where the reflux liquid is decanted are subjected to further rectification, either in an auxiliary column or in an extension of the main column, and the bulk of the volatile impurities are removed from the system as the overhead fraction from this further rectification zone.  If an auxiliary column is used, it is advantageously operated under pressure.  Substantially pure anhydrous acetic acid (together with anhydride, if present in the feed) is withdrawn from the base of the main column.  A mixture obtained by the oxidation of acetaldehyde, and containing acetic anhydride (57 per cent) acetic acid (20 per cent), water (10.2 per cent), acetaldehyde (12.5 per cent) and methyl acetate (0.3 per cent) was subjected to distillation at 100 kg. per hour in column 1, which had previously been charged with ethyl acetate and cyclohexane.  The column was provided with a decanting plate 2, and above this there were four distilling plates.  The lower liquid layer on plate 2 contained 2 per cent of acetaldehyde; and 0.2 kg. per hour of acetaldehyde were removed through pipe 3. Cooling in condenser 5 was so controlled that 27 kg. per hour of vapours passed through pipe 4 to auxiliary column 6, these vapours containing the remaining 12.3 kg. of acetaldehyde and 0.3 kg. of methyl acetate, mixed with the ethyl acetate/cyclohexane/water azeotropic mixture. The impurities were withdrawn through pipe 7 after condensation in condenser 8.  The ethyl acetate, cyclohexane and water were returned to column 1 through pipe 9. An anhydrous mixture of acetic acid and acetic anhydride was withdrawn from the base of column 1 through pipe 10. Specification 587,269 is referred to.
Patent GB-822301-A (GB)
Title: Improvements in or relating to headlamps and projectors
IPC: F21V11/16
Filed: 1956-07-27
Abstract: 822,301. Electric lamps. TABOURET. E. E. July 27, 1956 [July 27, 1955; Oct. 18, 1955; Dec. 29, 1955], No. 23300/56. Classes 75(2) and. 75(4) Lighting apparatus especially for use in vehicle head lamps comprises a light source, a reflector, a set of at least three blades coloured to correspond to the colours of the solar spectrum and a transverse screen at right angles to the axis of the apparatus and consisting of transparent or translucent tubes arranged side by. side. to deflect and disperse the light rays coloured by the blades. In the form shown, the blades 3...9 are coloured respectively, yellow, light green, green, blue, red, orange and yellow and are interposed between adjacent tubes 29 forming a unit for inserting in a head lamp 1. The intensity of colour of the blades may decrease in the downward direction and the upper corners may, as shown, be bent to one side to reduce the upward light, the corner 13 of the middle blade 6 being bent to one side and an auxiliary plate 13a being attached to the blade to form a symmetrical assembly. The tubes 29 may be replaced by solid rods or may contain coloured or colourless glass balls of uniform or varying sizes. Alternatively, the blades may be reduced in size and mounted inside the tubes. A second row of tubes, offset relative to the first row, so that their axes are co-planar with the blades may be added. The rear edges of the blades may be shaped to surround the upper part of the lamp bulb 2.
Patent GB-726399-A (GB)
Title: Auxiliary screen for motor vehicle windows
IPC: B60J1/20
Filed: 1953-08-24
Abstract: 726,399. Vehicle windows. FIAT SOC. PER AZIONI. Aug. 24, 1953 [Oct. 10, 1952], No. 23321/53. Class 20 (3).  In a vehicle window comprising a frame structure 1, a window opening confined by top and rear frame edges 3 and a window panel 2 slidable substantially vertically in the frame, an air deflecting screen 4, 4b is arranged adjacent the top rear angle of the opening at the inner side of the panel 2, the screen comprising sections 4 and 4b extending respectively along the top and rear frame edges 3. When the panel 2 is slightly lowered to leave a gap A, the air is deflected downwardly in the direction F by the screen 4, 4b. In a construction, not shown, the rear section 4b is shortened and in a further construction, the top section 4 is shortened and the rear section 4b extends the whole length of the rear edge. The screen is made from transparent plastic or glass.
Patent GB-934215-A (GB)
Title: Improvements in or relating to measuring apparatus
Inventor: PARKER-SMITH NORMAN NEVLLE
IPC: G01B11/02
Filed: 1960-07-05
Abstract: 934,215. Electric selective signalling systems. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. April 21, 1961 [July 5, 1960], No. 23434/60. Class 40 (1). An object 1 is measured by projecting it on to a graticule 3 with opaque parallel lines and projecting a composite image of the object 1 and graticule 3 on to the image receiving member of a television camera tube 4. A sawtooth deflecting scanning drive 6 for the camera causes scanning of the composite image along a line perpendicular to the lines of the graticule and pulses due to the line images are produced and counted by unit 7 to give an indication of the length measured on indicator 8. To measure areas, two perpendicular sets of parallel lines are used. In more sensitive embodiments, Figs. 2 and 3, images of only the end portions of object 1 are produced.
Patent GB-737532-A (GB)
Title: Process for the working up of gases containing sulphur
IPC: C01B17/02
Filed: 1953-08-25
Abstract: <PICT:0737532/III/1> <PICT:0737532/III/2> <PICT:0737532/III/3> Sulphur is recovered from gas containing sulphur vapour and suspended particles of accompanying impurities by passing the gas through a separation zone in the form of a cylinder 1 (Fig. 1a) in which is mounted a rapidly rotating wheel 6 having a plurality of vanes 7. The gas is preferably passed into the area of action of the wheel as shown, i.e. tangentially, but it may also be passed in axially.  Due to the high circumferential velocity of the wheel the impurities, in liquid or solid form, are hurled at the walls of the cylinder 1 and then drain to the collector 5.  The collected impurities may be freed from sulphur by heating the collector to a temperature of 150-500 DEG C.  The gas may be passed into the device at a temperature of 150-600 DEG  C., in particular 300 DEG  C., and the device may be maintained at a temperature of between the condensation point of sulphur and 550 DEG  C.  The velocity at which the gas is admitted to the device should be low in relation to the circumferential velocity of the wheel which may be 500-5000 rotations per minute.  As shown in Fig. 3, sulphur-containing gas from a furnace 8 is passed to a separating device 9 (similar to device 1 of Fig. 1a), then through a cooler 10, a further separating device 11 for removing residual sulphur, a pump 13 and a gas heater 12, the residual gas being recycled to the furnace.
Patent GB-655906-A (GB)
Title: Arrangement for continuous heating, in a hardening process, of cylindrical metal articles by induced currents
IPC: H05B6/02
Filed: 1948-09-07
Abstract: 655,906. Induction heating. STIVIN, J. Sept. 7, 1948, No. 23511. Convention date, Sept. 9, 1947. [Class 39(iii)] [Also in Group II] An arrangement for continuous heating in a hardening process of cylindrical metal articles by means of induced currents is characterized in that the articles are simultaneously axially displaced and rotated by driving rollers mounted on pivots inclined with respect to the axis of the articles during heating. Articles 1, heated by means of an inductive heating coil 7, are moved axially and rotated by three or more rollers 3, 4, 5. The pivots 6 of the rollers are inclined to the axis of the articles and are carried in forks 10 which are provided with arms 15 extending into apertures 16 in a ring 17, so that by rotation of the ring the inclination of the rollers may be varied. At least one of the rollers 3 is driven by worm wheel 33 and worm on the shaft of which is mounted a spur wheel 32. The spur wheel 32 is engaged by a positively driven spur wheel 31 mounted on the axle of the fork 10. The rollers are radially displacable by screws 40 rotated by handles 42. One of the rollers 5 is spring loaded so that when the last article has passed, it breaks contacts in the motor drive circuit. The. inclination of the rollers may be varied automatically so that fluctuations in the power supply to the induction heater do not cause irregularity in the heating of the articles. In a modification, two induction coils are fitted, one serving to improve the material by heating and gently cooling it and the other being used for surface hardening.
Patent GB-890288-A (GB)
Title: Improved method of fixing handles
Inventor: CRAWFORD RODERICK
IPC: B65D25/32
Filed: 1959-07-09
Abstract: 890,288. Mounting bail handles. WILKIE & PAUL Ltd. April 22, 1960 [July 9, 1959], No. 23566/59. Class 83 (2). A method of fixing a handle mounting support on the wall of a canister comprises forming a hole 1 in the canister wall 2, inserting a rivet 3 having a hollow tubular end portion 4 with an internal chamfer 4a, flaring the tubular end portion over at 5 into continuous contact with the inside surface of the can and locally upsetting the wall of the canister at 6 to strengthen the zone around the rivet. The rivets may be fixed in position before or after the canister is formed from the blank. Specification 890,287 is referred to.
Patent GB-360893-A (GB)
Title: Improvements in or relating to gas, air or liquid heating apparatus
IPC: F24H1/18
Filed: 1930-08-06
Abstract: 360,893. Heating liquids. GAS LIGHT & COKE CO., CLARK; J. G., MASTERMAN, C. A., and NOBLE, T. G., 84, Horseferry Road, Westminster, London. Aug. 6, 1930, No. 23582. [Class 64 (i).] In a stove for heating water, air, or gas, a baffle is provided to form a path between it and the receptacle containing the water &c., such that the heating gases in traversing this path are cooled to a point where condensation of the contained water vapour occurs, and are subsequently reheated by passage over the other side of the baffle on their way to the flue in order to create the necessary draught. Fig. 5 shows a water-heater in which the gases pass up between water-containers 40, 41, thence downwardly between their outer sides and the walls of a hood-like baffle member 4 which covers the containers, and finally up the outer sides and over the top 5 of the baffle member. Condensation of the vapour contained in the gases occurs at the lower edge 6 of the baffle member, the gases being reheated in passing up the outer sides and over the top 5 of the baffle, which may be provided with ribs 21. Baffle-plates 42, 43 in the water-containers separate them into two chambers connected at the bottom, and also separate the inlets 46, 47 from the outlets 48, 49. Fig. 3 shows another form of water-heater comprising a hoodlike outer water-container enclosing two other containers 24, 25, and connected to them by tubes 14<1>, 15<1>. A flue 36 forming the baffle member extends down between the two containers 24, 25. The gases from two tubular burners take the courses shown by the arrows, being cooled to the point at which condensation occurs during their downward passage between the containers 24, 25 and the flue or baffle 6, and then reheated in passing up the interior of the flue. Fig. 9 shows a sectional water-heater divided into units each comprising one burner 51 and four flat rectangular watercontaining sections 54 .. 57. The gases, in taking the paths indicated by the arrows, pass under and heat a baffle-plate 66 spanning the tops of the two outer sections of the unit, and finally, after having been cooled to condensation point, pass over the top of the baffle and are reheated. The baffle may carry ribs or fins 69. The various forms of apparatus above described may have provided in the flues above the burner baffles of the kind described in Specification 331,329, [Group XI].
Patent GB-170704-A (GB)
Title: Improved device for use in removing clothes and the like from boiling water, dye-vats and the like
IPC: D06F5/06
Filed: 1920-08-12
Abstract: 170,704. Crossland, J. Aug. 12, 1920 Tongs for removing articles from boiling water, dye vats, &c. comprise two arms A, A<1> of wood or other non-rustable material formed with jaws a and connected by a spring strip B, Fig. 1, which normally holds the arms apart, or by a hinge B<1>, Fig. 3, in which case a coiled or other spring F is provided to separate the arms. The spread of the arms is limited by a wire, rod, or cord D. Reference has been directed by the Comptroller to Specifications 22493/91, [Class 138, Washing &c.], 536/11, and 21760/11.
Patent GB-838677-A (GB)
Title: Improvements in or relating to sun and rain blinds
IPC: E04F10/10
Filed: 1958-07-23
Abstract: 838,677. Sun blinds. BAUER, J. July 23, 1958, No. 23633/58. Class 20(3) A blind is carried by side levers 7 assuming an inclined position when extended, each lever having connected to it a roller 3 which is also connected to drawing means 5, 6 separate from the lever, and the lever being constrained to pivot as the rear end moves along a guide 1 that inclines upwardly at least near its outer end. In Fig. 2 the constraint is provided by causing the roller 3 to move along a horizontal guide 2, in Fig. 4 roller 4A is connected to the drawing means 5, 6 and the lever 7 slidingly pivots on a roller 3A. The guide 1 may be horizontal at its inner end and slope sharply upwards towards the outer end so that the levers 7 assume an inclined position only when the blind is almost fully extended. The blind may be of translucent or coloured plastic slats.
Patent GB-1334834-A (GB)
Title: Production of aminomethylene phosphonic acids
IPC: C07F9/38
Filed: 1972-05-19
Abstract: 1334834 Preparing aminomethylene phosphonic acids JON A BENCKISER GmbH 19 May 1972 [30 June 1971] 23696/72 Addition to 1278030 Heading C2P An aminomethylene phosphonic acid is obtained by reacting an N-substituted alphaamino mono- or poly-carboxylic acid or an alkali metal salt thereof with phosphorous acid at 90 to 160 C. in the presence of a dehydrating agent, e.g. acetic- or propionic-anhydride, P 2 O 5  or concentrated H 2 SO 4 . The process is suitably effected by heating the phosphorous acid to above 90 C., e.g. to 110-130 C., adding the amino acid with stirring and then adding the dehydrating agent slowly to the mixture, followed by further stirring preferably at between 120 and 140 C. Examples are given for the production of nitrilo-tri(methylene phosphonic acid) and ethylene diamine tetra(methylene phosphonic acid).