baber/WOPTO huggingface dataset:
Patent GB-185416-A (GB)
Title: Improvements in or relating to electric lamps with enclosed arc-discharge
IPC: H01J61/98
Filed: 1922-08-29
Abstract: 185,416. Naamlooze Vennootschap Philips' Gloeilampenfabrielien. Sept. 1, 1921, [Convention date]. Drawings to Specification. Arc lamps.-In a lamp containing a rare gas or mixture of gases, the electrodes are so shaped and disposed that the electrode acting for the moment as anode heats the other electrode by radiation and conduction through the gas and so maintains it above the temperature below which disintegration occurs, e.g. 2800 absolute if the case of tungsten. The invention is applicable to continuous and alternating-current lamps. The electrodes may consist of a small sphere and an enclosing spiral or of two interwound spirals. According to the Specification as open to inspection under Sect. 91 (3) (a), the electrodes may consist of a pair of small spheres or of a sphere and a tube nearly enclosing it. This subject-matter does not appear in the Specification as accepted.
Patent GB-1386534-A (GB)
Title: Cooling towers
IPC: F28B1/06
Filed: 1973-05-17
Abstract: 1386534 Air-cooled heat exchangers; cooling towers BALCKE-DURR AG 17 May 1973 [26 Aug 1972] 23463/73 Headings F4S and F4K In a cooling tower used for cooling liquids or condensing vapours passed through a plurality of radially spaced apart Groups I-IV of heat exchange elements 3 concentrically arranged within a circular casing 1 above one or more air inlet apertures, the height of the heat exchange elements 3 decreases in the radial direction from the periphery to the centre of the tower. The height may either decrease in stepwise fashion from group to group, see left hand side of Fig. 1, or continuously, see right hand side of Fig. 1. Each element 3 comprises a wall 6 of heat exchange tubes joined to a guide wall 8 to define an inverted V-shaped structure; the wall 6 of tubes may be arranged obliquely, as shown, or vertically (Figs. 5 and 6, not shown). Preferably the walls 6 in adjacent groups are inclined in the opposite sense with respect to one another. The elements, which as shown are supported on struts 5, may be disposed horizontally or be slightly inclined downwardly towards the centre of the tower. The "dry" heat exchange elements 3, may be arranged in a tower with "wet" heat exchange elements in the form of trickle plates (10, Figs. 7 and 8, not shown), sector-shaped regions of dry elements alternating with sector-shaped regions of wet elements.
Patent GB-944068-A (GB)
Title: An adjustable suspension means for a ceiling
IPC: E04B9/00
Filed: 1961-06-29
Abstract: 944,068. Suspended ceiling hangers. HUNTER DOUGLAS INTERNATIONAL (QUEBEC) Ltd. June 29, 1961 [June 29, 1960], No. 23528/61. Heading E1V. [Also in Division F2] A suspension device for a ceiling carrier 11 comprises a strip 1 and a helically wound wire 7 screwed on to the strip in engagement with a series of recesses 6 or holes (not shown) at both its edges. The strip can be cut to any required length and may be bent over at one end so that it may be secured to a joist 2 either by a staple (not shown) engaging recesses 6 or by a screw passing through a hole 5 of a series of preformed holes arranged centrally of the strip. The lower end of the spring is recessed to carry a retaining washer 10 by means of which the carrier 11 is supported. The spring 7 may be rotated when the carrier 11 rests on the washer 10 so that the height of the carrier may be adjusted. In a modification, Fig. 4 (not shown) the spring 7 is secured to the joist 2 and the strip 1 is rotatably secured to the carrier 11.
Patent GB-387406-A (GB)
Title: Improvements relating to the knitted coverings of cord shaped bodies
IPC: D04B1/22
Filed: 1931-08-21
Abstract: 387,406. Armouring conductors and cables. MEIWALD, F., Schloss Sch÷nbrunn, Westtrakt, Vienna. Aug. 21, 1931, No. 23571., [Class 36.] The knitted covering of an electric cable. has its knots staggered as is already known in the case of fabrics. As shown in Fig. 1, the knots in each course are staggered longitudinally and as shown in Fig. 3, the knots in each course are of multiple pitch and are laterally displaced with respect to the knots in adjacent courses.
Patent GB-1129042-A (GB)
Title: Improved crystalline zeolites and method of preparing same
IPC: B01J29/24
Filed: 1966-05-26
Abstract: 1,129,042. Crystalline aluminosilicate. MOBIL OIL CORP. 26 May, 1966 [28 May, 1965], No. 23655/66. Heading C1A. A crystalline aluminosilicate for use as a catalyst is prepared by heating an aluminosilicate containing mono- and/or divalent cations to 150-1700‹ F. to reduce the moisture content of the aluminosilicate to less than 90% of saturation and thereafter subjecting the aluminosilicate to base-exchange to reduce the content of said mono- and/or di-valent cations to less than 80% of their content prior to baseexchange. The starting aluminosilicate normally contains alkali metal cations, which have resisted removal in a prior base-exchange step with, for example, rare earth ions, and the aluminosilicate is heated in an atmosphere of steam, air-steam, nitrogen, flue gas, oxygen or hydrogen and then subjected to base-exchange, e.g. with rare earth or yttrium ions, to reduce the alkali metal content to 0À03-0À2 wt. per cent. The aluminosilicate may then be subjected to further heating, and mixed with relatively catalytically inert material for use as hydrocarbon conversion catalysts.
Patent GB-982824-A (GB)
Title: Waveform generator
Inventor: PRIOR HECTOR THOMAS
IPC: G06G7/28
Filed: 1963-06-14
Abstract: 982, 824. Electrophonic musical instruments: electric analog calculating. STANDARD TELEPHONES & CABLES Ltd. June 14, 1963, No. 23722/63. Headings G4G and G5J. An arrangement for generating electrical waves of arbitrary shape and of period T for use, e.g., in the synthesis of musical sound or in the generation of carries power for multichannel telecommunication systems includes the steps of generating a sequence of m pulses of repetition frequency m/T and adjusting the area of each pulse to be proportional to the instantaneous magnitude of the wave. The pulses may be of constant duration and have their areas adjusted by adjustment of their amplitudes or constant amplitude pulses may be generated and their areas adjusted by adjustment of their duration (i.e. pulse width). An embodiment utilizing the former method is shown in Figs. 1 and 2 and comprises a ring counter producing a sequence of ten (m = 10) pulses under the control of clock pulses of frequency m/T applied to terminal 11. The pulses from each stage of the counter (of similar duration T/m) are then supplied to an output terminal 16 via a L.P. filter 15 and amplitude control devices 13 (attenuators or amplifiers) which are adjusted to make the amplitudes of the individual pulses equal to the instantaneous amplitude of the wave to be synthesized (see wave A and pulses 1 to 10, Fig. 1). The integer m is elected so that signals of pulse repetition frequency m/T (which are present at the input to filter 15) are of higher frequency than the highest frequency component of the required wave and may thus be removed by the filter. The D.C. component in the pulses 1 to 10 may be removed by known means or, since the devices 13 may be arranged to produce either positive or negative polarities a wave can be synthesized which contains no D.C. component. In the second method of carrying out the invention each of the amplitude control devices 13 is replaced by a mono-stable flip-flop circuit in which the time taken to return to the stable condition is adjustable by known means.
Patent GB-497810-A (GB)
Title: Improvements relating to electrical plug and socket connectors
IPC: H01R13/453
Filed: 1937-09-03
Abstract: 497,810. Plug couplings. TUCKER, J. B. Sept. 3, 1937, No. 24068. [Class 38 (i)] A ping-and-socket coupling having a switch on the socket member that is closed by the action of one of the pins when the plug member is inserted, has locking- means for the switch that prevents closing until another pin, e.g. the earth-pin is inserted to free the locking- means. The switch arm b<2>, Fig. 2, is moved to engage the contacts a<3> by a pin d<1> acting on a projection b<1> on the switch arm. Such movement is prevented by an insulating roller c<3> retaining a projection b<3>. The roller c<3> is moved down to unlock the switch by the earthpin d<2> engaging a projection c<1> on the lever c carrying the roller. Alternatively the lock may take. the form of a plate interposed between the switch arm and the contacts a<3>. In another modification one of the live sockets of a two-pin coupling contains the switch-operating device and the other the locking device.
Patent GB-1221047-A (GB)
Title: Balancing hoist
IPC: B66D1/08
Filed: 1969-05-12
Abstract: 1,221,047. Load-balancing hoists. INGERSOLL-RAND CO. 12 May, 1969 [6 June, 19681, No. 24103/69. Heading B8B. [Also in Divisions F2 and G3] A load-balancing pneumatic hoist having a cable drum 7 mounted via a ball nut and screw mechanism within a housing 2 and rotatable with variation in volume of a balance pressure chamber 28, includes a load sensing device between the housing 2 and the housing support structure 22 to control the pressure in the chamber 28 whereby the load on the cable 14 is substantially balanced. The load-sensing device within the housing 2 comprises a diaphragm assembly engageable by a member by which the housing is suspended from the structure 22, the diaphragm being adjustably spring-biased against said member to balance the weight of the hoist, air being supplied to the balance chamber 28 is also supplied to a weight-sensing chamber above the diaphragm until the cable load is balanced, whereupon the diaphragm moves to exhaust any further air pressure through a poppet valve. A constant pressure air supply for the hoist is controlled by a pendant hand unit (Fig. 5, not shown), which includes a lever for the manual selection of " exhaust," " balance " and " intermediate " positions. In the " exhaust " position a pilot line for an air pressure regulation is exhausted and the weight-sensing and balance chambers are depressurized whereupon cable 14 can be freely payed out. In the " balance " position the pilot line is caused to pressurize the regulator and thereby pressurize both said chambers whereupon the load on the cable is slightly more than balanced and the cable is slowly wound in. In the " intermediate " position, sufficient pressure is bled from the system to exactly balance the cable load which can then be manually moved as desired. The cable 14 is received in grooves on the surface of the drum 7 and is held therein by a shield 13 which has a groove 16 to permit insertion of a cable end ball 17, received in a slot 18 in the drum.
Patent GB-785454-A (GB)
Title: Improvements in and relating to hydraulic accumulators
Inventor: RUSSELL JAMES LANGLEY
IPC: F15B1/18
Filed: 1954-08-19
Abstract: 785,454. Hydraulic accumulators. ENGLISH ELECTRIC CO., Ltd. Aug. 16, 1955 [Aug. 19, 1954], No. 24159/54. Class 69 (2). An hydraulic accumulator comprises a gasfilled bag 9 and an hydraulic chamber having an inlet port 18 and outlet ports 17 and a porous partition 15 of sintered bronze. The partition serves as a filter and also prevents the bag being trapped in the ports 17, 18 when the accumulator is discharged. In a modification the partition is replaced by plugs of sintered bronze which fit in the ports 17, 18.
Patent GB-1345253-A (GB)
Title: Electrostatic latent image development apparatus
IPC: G03G15/08
Filed: 1971-04-19
Abstract: 1345253 Cascade developing apparatus XEROX CORP 19 April 1971 [19 March 1970] 24166/71 Heading G2H An electro-photographic cascade developing apparatus comprises a chute 20 which splits the developer flow into two paths, an electrode 28 positioned adjacent one path and biased to strip toner particles from their carrier particles, and an endless conductive belt 24 biased to pick-up the stripped toner particles and carry them into the development zone where they are dislodged by the developer flowing in the other path. The dislodged toner re-tones the carrier particles in the developing flow and also forms a cloud of free toner particles which enhances development.
Patent GB-1091235-A (GB)
Title: Improvements in combustion-resistant foams
IPC: C08J9/00
Filed: 1966-05-31
Abstract: Flame-resistant foam is obtained from a polymer by dissolving the polymer, a curative therefor and a flame-resistant material in an inert organic solvent, expanding the solution, removing the solvent and completing the cure of the polymer.  Suitable polymers include diene polymers, copolymer rubbers such as butyl rubber, natural polymers such as balata and Hevea rubber, and interpolymers of at least two alpha-monoolefins and at least one copolymerizable diene. The examples specify the use of an ethylene-propylene-dicyclopentadiene terpolymer. Flame-resistant materials include boron, oxides of phosphorus, antimony, arsenic, bismuth and boron, ammonium bromide and phosphate, antimony trichloride and halogen-containing organic compounds.  A polyhydroxymethyl phenolic compound may be used as a curing agent and Lewis or sulphonic acids are used as catalysts to promote the cure. Inert gases under pressure are used for the expansion step.
Patent GB-284986-A (GB)
Title: Improvements in spinning machines for artificial silk
IPC: B65H67/048
Filed: 1927-09-14
Abstract: 284,986. Hamel Akt.-Ges., C. Feb. 7, 1927, [Convention date]. Winding-machines; spindle-driving apparatus. -In machines for spinning artificial silk provided with winding-bobbins mounted in pairs on plates which are rotatable so as to bring the bobbins of each pair in turn into gear with the driving- mechanism, an abutment 45, operated by the traversing-nut of the belt-shifting gear of the two pairs of cones 28, 33, 32, 34 which drive the bobbins, engages abutments 46. 47 and so moves a slide rod 48 which, by means of an arm 49, releases a rotary shaft 50, whereby the plates 16 carrying the winding-bobbins 15 are rotated through 180‹ to remove the wound bobbin from the driving-gear and to bring the empty bobbin into position for winding, and clutch levers 63, 64 are operated by cams on the shaft 50 to disconnect the pair of cones that have driven the bobbin-gear and to connect the other pair for operation, and the direction of rotation of the screw 37 which controls the belt-shifting gear is reversed by reversing-gear controlled by a rod 58 connected to the arm 49. The cam shaft 50 is driven from an internal shaft 53 through a friction coupling and is provided with a projection 55 adapted to engage stops 56, 57 on the arm 49 so that upon movement of the arm the projection is released from one stop and is engaged by the other, thus allowing the shaft 50 to rotate through 180‹. The shaft of the bobbin plates 16 carries a wheel 78, Fig. 3, which is operated from the shaft 50 by bevel gearing and chain gear 67. The lower cones are driven from a main shaft 17 through a counter shaft 23 and alternately operate the bobbin-driving gear so that the speed of the bobbins decreases as the diameter increases, the screw 37 of the belt-shifting gear being driven through the reversing gear from a shaft 43 connected by gears 40, 41, 42 to one of the top cones. The shaft 53 is driven from the main shaft 17 through a counter shaft 24. The top cones are each coupled to a shaft 74, Fig. 3, which drives the bobbins, by gearing and clutches 65. 66 operated by the levers 63, 64.
Patent GB-1069003-A (GB)
Title: 17ª‡-halo-alkenyl and alkynyl steroids
IPC: C07J1/00
Filed: 1964-06-11
Abstract: Novel steroids of the formula <F\1> (wherein R is hydrogen or methyl; R1 is hydro gen, alkanoyl, aroyl, alkyl, aralkyl or cyclo alkyl; and Y is an unsaturated halogenated hydrocarbon group of 2 or 3 carbon atoms; R1 being other than hydrogen when Y is chlor ethynyl) are prepared from the corresponding 17-ones and organometallic derivatives of the group Y.  The 17-ols so produced are esterified and etherified by standard procedures.  Androst - 4 - en - 17 - one is prepared by oxidation of the 17b -ol.  Trifluoropropyne is prepared from propiolic acid and sulphur tetrafluoride.  The progestational steroids of the invention may be made up into pharmaceutical oral or parenteral compositions with suitable carriers.
Patent GB-282510-A (GB)
Title: Improvements relating to automatic packing machines for tea and other materials
IPC: B65B43/34
Filed: 1926-10-01
Abstract: 282,510. Berkshire Printing- Co., Ltd., Brooke, N., and Ballard, R. Oct. 1, 1926. Sack - holders. - A bag spreader and holder for machines for filling tea or powdered, granular, or like materials into paper bags &c., particularly machines of the kind described in Specification 262,550, [Class 94 (i), Packing &c.], has a number of relatively movable fingers which are contracted to facilitate placing a paper bag or other receptacle thereon when swung into an inclined receiving position, and are expanded for the purpose of stretching and exerting an internal grip on the receptacle when returned to the vertical position. A number of carriers, each comprising a main bracket a, are mounted on vertical guide rods b on a rotatable frame as described in the abovementioned Specification. A rectangular plate d, having an aperture through which the filling nozzle of the machine (not shown) may pass, is pivoted on arms c on the bracket. Fingers f on short levers g actuable by a rotatable ring i on the underside of the plate d, depend as shown in Fig. 4, at the beginning of a cycle of operations. The fingers are in the contracted position and are swung out of the vertical position so that a bag can be applied by an attendant. The device then moves to the filling position, Fig. 2, with the fingers expanded so as to open the bag, and depending vertically from the holder. In moving from one position to the other, a rack t is actuated to rotate pinions r, s, k and to move a rack l on a rod o relatively to the plate d. An abutment w acting on a roller x prevents immediate rotary movement of the holder about the pivots on the arms c, but the ring i is rotated by a pin n thereon engaging with a slotted arm m attached to the rack l, thus causing the fingers f to move away from each other to open the bag. When the abutment w has passed the roller x, the holder swings into a horizontal position with the fingers vertical, and the bag is now ready to receive a charge. The holder may be temporarily secured in the filling position by a spring catch. A spring-controlled foot h is mounted on the bracket, and is caused by a fixed roller 3 to move into position to support the bottom of the bag during filling. The bracket descends slowly during the filling, the foot h is moved aside and the fingers' f are contracted sufficiently to allow the bag to fall into another part of the machine.
Patent GB-1497576-A (GB)
Title: Three-dimensional building framework
IPC: E04B1/58
Filed: 1975-06-06
Abstract: 1497576 Prestressed framework MANNESMANNROHREN-WERKE AG 6 June 1975 [6 June 1974] 24449/75 Heading E1W A prestressed three-dimensional framework for supporting a roof covering, e.g., comprises nodal elements 1 interconnected by tubes 7, with prestressing elements 11 being arranged within the tubes and passing through the nodal elements. The nodal elements and tubes are preferably interconnected by nuts 5 which are threaded on to extension pieces 6 welded to the tubes, and have shoulders abutting further shoulders 4 on hollow pins 2 welded to the nodal elements. The prestressing elements 11 are anchored by nuts 12 at the periphery of the framework.
Patent GB-840378-A (GB)
Title: Improvements in or relating to electric accumulators
IPC: H01M4/76
Filed: 1956-08-10
Abstract: 840,378. Batteries. ACCUMULATORENFABRIK A.G. Aug. 10, 1956 [Aug. 18, 1955], No. 24527/56. Class 53. [Also in Group XXIII] In a pencil-type electrode for an accumulator, the active material is sheathed by tubes formed from glass fibres having a diameter of less than 1/100 of a millimetre and of the following composition
Patent GB-259256-A (GB)
Title: Improvements in lighting fixtures
IPC: F21V17/04
Filed: 1926-05-06
Abstract: 259,256. Korrectolite Co., Inc., (Assignees of Oliver, E. F.). July 15, 1925, [Convention date]. Globes; mounting globes on electric lamp bulbs.- An enclosure for an electric lamp bulb comprises a cupshaped member 3 the closed end of which is formed intergrally with an exterior chamber 4 connected to the interior of the enclosure by means of a restricted opening 5. The member 3 is secured to an electric lamp bulb 2 by means of a spring clip 6 having a portion 7 seated in the chamber 4 and arms 8 extending through the opening 5 to clasp the bulb. A complete enclosure may be formed as bv means of a second cup-shaped member of the kinds described in Specification 252,353.
Patent GB-734494-A (GB)
Title: Process for the preparation of 4-amino-5-keto-1.3.4.5-tetrahydro-benz(cd)indole
Filed: 1951-10-23
Abstract: The invention comprises solutions of 4-amino-5-keto-1 : 3 : 4 : 5-tetrahydro-benz (cd) indole <FORM:0734494/IV (b)/1> and their preparation by nitrosating 5-keto-1 : 3 : 4 : 5-tetrahydrobenz (cd) indole by means of an alkyl nitrite (e.g. amyl nitrite) in the presence of an alkali metal alkoxide and treating the resulting solution of the unstable 4-nitroso compound with a reducing agent. The invention also comprises the crystalline hydrochloride and acetyl derivative of 4-amino-5-keto-1 : 3 : 4 : 5-tetrahydro-benz (cd) indole.  In an example 5-keto-1 : 3 : 4 : 5-tetrahydro-benz (cd) indole is added to a solution of potassium in tert.-butanol and treated with amyl nitrite, the resulting solution is acidified with glacial acetic acid and reduced with zinc dust to give a solution of 4-amino-5-keto-1 : 3 : 4 : 5-tetrahydrobenz (cd) indole which is converted to the hydrochloride and the acetyl derivative by treatment with hydrochloride acid and acetic anhydride respectively.  The p-nitrophenylhydrazone of the acetyl derivative is prepared.
Patent GB-1329184-A (GB)
Title: Device for washing sheet material
IPC: B08B11/00
Filed: 1971-04-19
Abstract: 1329184 Cleaning glass sheets DEVAC Inc 19 April 1971 [25 March 1970] 24856/71 Heading A4F Apparatus for cleaning sheets, such as window sashes 5, comprises a housing mounted on a support, means, such as a driven endless belt 46 and driven rollers 120, 122, 124, and 126 for transporting the sheets through the housing, means such as driven rotary brushes 140, 154 and 128, 146, Fig.3 (not shown) and liquid sprayers 176 and (178) for washing the sheets within the housing, means such as drain pipes 202, 203, and (204) and a tank 194 for collecting the liquid used for washing the sheets, and wiper blades 410, 426; 438, 460; and 470, 482 for wiping the upper, intermediate, and lower portions respectively, of the sheets after washing. In the vicinity of the wiper blades 410, etc, the upper and lower portions of the sheets are cleaned by suction applied through manifolds 276, 502, respectively. (For Figures see next page)