baber/WOPTO huggingface dataset:
Patent GB-234319-A (GB)
Title: Manufacture of substantive azo-dyestuffs
IPC: C09B43/14
Filed: 1924-07-22
Abstract: The process of the parent Specification is modified by substituting wholly or in part for the amino-monoazo dyes used as diazo components amino-disazo dyes; dyes are thus produced either (a) by coupling the urea of a 1-aminoaryl-5-pyrazolone with two molecular proportions of the same or different diazo-disazocompounds, or 1 mol. of such compound and 1 mol. of a diazoazo compound, or (b) by reacting with phosgene on the trisazo dyes made by coupling a diazo-disazo compound with a 1-aminoaryl-5-pryazolone.  The products dye cotton in brown shades dischargeable to pure white.  The following examples are given; (1) the diazo compound of the disazo dye 2-amino-naphthalene-4 : 8-disulphonic acid-->-a-naphthyl-amino-->-1-aminonaphthalene-6-sulphonic acid is coupled with the dyestuff from 1 mol. 4-amino-3-toluene-azo-21-toluene-41-sulphonic acid and 1 mol. of urea of 1-(31-aminophenyl)-5-pyrazolone-3-carboxylic acid; (2) the diazo compound of the disazo dye 1-aminobenzene-3-sulphonic acid-->-a -naphthylamine-->-1-aminonaphthalene-6- and 7-sulphonic acids (mixture) is coupled with the disazo dye from 1 mol. 4-amino-3-toluene-azo-21-toluene-41-sulphonic acid and 1 mol. 1-(31-amino-phenyl)-3-methyl-5-pyrazolone; (3) the diazo compound of the disazo dye 2-aminonaphthalene-3 : 6-disulphonic acid-->-m-toluidine-->-m-toluidone is coupled with 1-(31-aminophenyl)-5-pyrazolone-3-carboxylic acid and the product treated with phosgene.
Patent GB-588710-A (GB)
Title: Improvements in or relating to means for feeding combustion apparatus
IPC: F23H9/04
Filed: 1943-10-25
Abstract: 588,710. Jigging-conveyers. GENERAL ELECTRIC CO., Ltd., SHERWEN, J. W., and GRIFFITHS, F. L. Oct. 25, 1943, No. 17578. [Class 78 (i) [Also in Group XXXV] A conveyer, supplied with fuel from a hopper, is adapted to be vibrated electromagnetically to cause a feed of fuel to a combustion apparatus and subjected to control from the latter. Figs. 1, 2 and 3 show a vibratile grate 1 arranged at an inclination within a furnace and vibrated by electromagnetic device 2, carried by the grate. Fuel is supplied from hopper 5, provided with adjustable feedgate 7, via conveyer portion 8, to the grate 1, supported on helical springs 9, 10, channel bars 11, 13 secured to plates 12 and 14. To compensate for combustion and to maintain an approximately even thickness of fuel the device 2 is arranged to cause the vertical movement to be greater than the horizontal movement at the feed than at the delivery end of the grate, thus causing the fuel to travel faster at the feed end. The grate is of the trough form and includes a curved base 16 with the internal surface of which the webs 17 of transverse fire bars 18 make an air-tight fit. Air is supplied through openings 19 in the base of the grate, which openings communicate with oppositely disposed longitudinal air ducts 20, connected to valve-controlled air inlet pipe 21. In a further embodiment, Fig. 4 (not shown), a vibratile conveyer, between the grate and hopper, controls the flow of fuel.
Patent GB-343852-A (GB)
Title: Improvements in smokers' stands
IPC: A24F19/14
Filed: 1930-06-06
Abstract: 343,852. Smokers' stands. DALTON, H., 105, Summer Street, Stamford, Connecticut, U.S.A. June 6, 1930, No. 17598. Convention date, April 23. [Class 130.] A stand comprises a hollow base 5, a cover 16 hinged to the base, and means in the base for supporting a receptacle 38. The upper portion of the stand includes a length of tubing 17 seated on the cover 16, a tapered portion 21 and a table 20 rigidly secured together by a standard 23. On a carrying handle 27 rests 47 for cigars &c. are located above a central opening in the table. The base and cover are hinged together at 28 and opposite the hinge are members 30, 31 which carry a spring-pressed pin 33 and a co-operating socket 37, Fig. 4, to enable the two sections to be securely locked together. The water bowl 38, Fig. 3, is suspended in a swinging cradle which is formed from inner and outer rings 40, 39 connected to pivots 41. The outer ring 39 is mounted on the section 5 by pivots 42, which are at right-angles to the pivots 41. The bowl 38 has a flange 45 which rests on an inner ring 40 and springs 46 over the flange hold the bowl suspended in the ring. The bowl is so dimensioned that in the swinging movement of the rings it fails to contact with the walls.
Patent GB-146259-A (GB)
Title: Manufacture of artificial fertilisers
IPC: C05C13/00
Filed: 1920-06-28
Abstract: 146,259. Akt.-Ges. f³r Anilin-Fabrikation. Jan. 29, 1918, [Convention date]. Manures.-A non-caking fertilizer is obtained by adding a heated inorganic salt, such as potassium chloride heated to 300‹ C. or heated sylvine, sylvinite, carnallite, &c., to a hot concentrated solution of ammonium nitrate at a temperature of not less than 70‹ C.
Patent GB-770460-A (GB)
Title: Improvements in textile and dyeing assistants
IPC: D06M13/425
Filed: 1954-06-16
Abstract: A caprolactam which is not substituted on nitrogen, e.g epsilon-caprolactam or C-methyl caprolactam, is employed as a textile and dyeing assistant.  It may be employed for increasing the speed of solution of mercerizing and wetting agents and of coupling components in naphthol dyestuffs.  It may be mixed, as by trituraation, grinding or joint fusion, with insoluble dyestuffs for dyeing cellulose acetate and polyamide rayon and thereby assist dispersion in water. When added to sulphur or vat dyestuffs, it increases their levelling and through-dying power. When added to printing colours it promotes uniformity of the prints.
Patent GB-910577-A (GB)
Title: Fuel cell
IPC: H01M8/20
Filed: 1961-05-16
Abstract: 910,577. Fuel cells. IONICS Inc. May 16, 1961 [May 17, 1960], No. 17700/61. Class 53. A gaseous fuel cell comprises a cation selective permeable membrane 24 in electrical contact with a gas permeable catalytic elec. trode 30, an aqueous catholyte 28 and a further electrode 32, the catholyte containing an oxidant couple. The latter may be brominebromide, or ferrous-ferric. Oxidizing gas (e.g. air) is supplied at 42 and impurities vented at 46. Fuel is supplied at 38. The cell could be cylindrical with concentric electrodes. A noble metal may be used as catalyst and the anode may consist entirely of it or of e.g. stainlesssteel iron or metal oxides. Hydrogen-containing gases and gaseous hydrocarbons and their oxidation products may be used as fuel.
Patent GB-856887-A (GB)
Title: Process for the preparation of electrical insulating oils
Inventor: GROOT WILHELMUS CORNELIS DE
IPC: H01B3/22
Filed: 1958-06-03
Abstract: A process for the preparation of an electrical insulating oil comprises selectively hydrogenating a mineral oil in the presence of added hydrogen at 300 to 400 DEG C., 10 to 200 kg./sq.cm., a gas discharge rate of 50 to 5000 1./kg. oil and an oil/catalyst flow rate of 0.3 to 3 kg./1./hr. so as to remove 65 to 96% wt. of the sulphur present in the oil, and treating the hydrogenated oil with a solid adsorbent.  Preferred mineral oils have a viscosity of 1 to 9 DEG E. at 20 DEG C., a sulphur content of at least 1% wt., and boil in the range 300 to 500 DEG C.  The desired fraction may be obtained by hydrogenating a wide fraction and fractionally distilling subsequently.  The insulating oil may have an aromatic content of 40% or more and, when the aromatic content is greater than 25%, the oil may be mixed with less aromatic fractions to improve the oxidation stability.  The less aromatic fraction may be a refined mineral oil which may have been hydrogenated, solvent extracted, and treated with sulphuric acid or oleum and/or a solid absorbent.  This fraction may be added to the oil treated according to the invention before or after the adsorbent treatment.  The hydrogenation may be effected in the gas or liquid phase using catalysts such as oxide and sulphides of Group VI and VIII metals, e.g. cobalt and molybdenum oxides and nickel and tungsten sulphides, which may be attached to carriers such as active carbon, fuller's earth. kieselguhr, silica or alumina. Suitable adsorbents for the adsorption step are fuller's earth, bauxite and clay, which may be acidactivated.  An alkaline material such as lime may be added to the adsorbent.  The treatment may be effected at 50 to 100 DEG C., using 0.5 to 30% wt. of adsorbent while a current of inert gas, e.g. nitrogen, is blown through the oil. Antioxidants e.g. alkyl phenols such as 2,6-di-t-butyl-4-methyl phenol may be added to the insulating oils.  Processes wherein the oil has a viscosity of 1 to 9 DEG E. and an aromatic content of at least 35% by weight and wherein the hydrogenated oil is treated with sulphuric acid or oleum before the adsorbent treatment are disclaimed.  According to the Provisional Specification the presence of added hydrogen and the specific hydrogenation conditions are optional.  Specifications 589,149, 589,150, 657,400, 657,521, 665,575, 699,455 and 796,217 are referred to.
Patent GB-725793-A (GB)
Title: Improvements relating to the magnet systems of electromagnetic regulators, relays orthe like
Inventor: NIXON LESLIE REGINALD
IPC: H02P9/22
Filed: 1952-07-14
Abstract: 725,793. Electromagnets. STONE & CO. (DEPTFORD), Ltd., J. July 7, 1953 [July 14, 1952], No. 17725/52. Class 35. The electromagnet core of a regulator, e.g. of carbon pile type, or relay or the like, is made of grain orientated magnetic material. The core 1 is formed by winding grain-orientated strip on a former, secured from unwinding by plates 4 and screws 5, annealed and bonded by impregnating with varnish, and the lower part cut out to leave an air-gap G. Fig. 4 shows a regulator employing the core, having coils 6 and a soft iron armature 10 pivoted on a frame 9 which also supports the carbon pile and is clamped to the core. Alternatively, the core may comprise a ring cut in half, and soft iron pole-pieces may be added.
Patent GB-826284-A (GB)
Title: Improved monomer recovery process
IPC: B01D3/06
Filed: 1957-06-05
Abstract: Monomer is recovered from a solution containing a normally gaseous monomer, solvent and polymer by flashing the solution in a series of stages at progressively reduced pressures, so forming a plurality of vapour streams at various pressures.  These streams are cooled to <PICT:0826284/III/1> form condensate which is mainly solvent and any remaining vapours (chiefly monomer) are removed therefrom.  Referring to Fig. 1, effluent from polymerization reactor 11 and comprising polymer, solvent and monomer is heated in heat exchanger 13 and passed to reduced pressure flashing zone 14 where monomer and solvent vaporize through conduit 23 are cooled in heat exchanger 24 to give monomer stream 26 and solvent stream 27.  The liquid stream from zone 14 is flashed twice more in zones 17 under lower pressure and 21 under still lower pressure.  The several liquid solvent streams are combined and pass to stripping zone 41 and can be recycled to polymerization reactor 11, while the several monomer vapour streams are recompressed to polymerization pressure, combined and recycled. The solvent streams need not all be recombined before recycling.ALSO:Monomer is removed from a solution containing a normally gaseous monomer, solvent and polymer, especially polyolefins prepared using a chromium oxide catalyst, by flashing the solution in a series of stages at progressively reduced pressures, so forming a plurality of vapour streams at various pressures.  These streams are cooled to form condensate which is mainly solvent and any remaining vapours, mainly monomer, are removed from the condensed solvent.  The solvent and monomer may be returned to the polymerization zone.
Patent GB-196519-A (GB)
Title: Improvements in waistbands for supporting women's dress skirts
IPC: A41F9/00
Filed: 1922-06-30
Abstract: 196,519. Kent, I. F. June 30, 1922. Trousers; skirts.-Waistbands for skirts, trousers or like wearing-apparel are made with the top edge B gradually increasing in height to the centre A of the back, so that any dropping of the garment to which they are permanently attached will not prevent it hanging properly. The waistband may be fastened at the front, sides or back, and may have its lower edge straight or curved similarly to its top edge, or curved oppositely thereto.
Patent GB-407584-A (GB)
Title: Improvements relating to containers for cigarettes and the like
IPC: B65D85/10
Filed: 1933-06-24
Abstract: 407,584. Containers for self-lighting cigarettes &c. FOX, A. H., Pleasantville, New Jersey, U.S.A. June 24, 1933, No. 18105. [Class 18.] A container for self-lighting cigarettes, cigars, &c., comprises a shell 1, Fig. 1, and a drawer 2, Fig. 2, containing two cigarette &c. compartments 3, 4, defined by side walls 5, 6 and 7, 8 and free end flaps 9, 10, slightly less in width than the cigarettes, the compartments being connected by a resilient V-shaped junction 11, and compartment 4 carrying a lid 12. Stops 15 are preferably provided on the shell to contact the top end of walls 9, 10 to limit the withdrawal of the drawer. Corrugated liners 5<a>, 6<a>, 7<a>, 8<a> are secured to the walls and carry striking surfaces 13. The sides of the drawer are pressed together by the resilient strip 11 so that when a cigarette carrying an igniting band is withdrawn ignition is ensured. The outer walls 6, 8, lie wholly within the end walls 9, 10, to permit of the approach to each other of the side walls of the compartments this movement being limited by the contact of the corrugated liners 5<a>, 6<a>. In a modified form a resilient fold similar to that shown at 11 is provided in the wall 8 and at the edge of wall 6 which coact with the outer shell 1 to produce resilient pressure on the cigarettes &c.
Patent GB-568838-A (GB)
Title: Improvements in and connected with enclosed electric tumbler switches
IPC: H01H19/06
Filed: 1943-11-02
Abstract: 568,838. Switch cases. CRABTREE & CO., Ltd., J. A., and MORGAN, R. W. Nov. 2, 1943, No. 18138. [Class 38 (v)] In order to enable the external operating knob or the like for the dolly of a tumbler switch to be centrally located in the lid of an enclosing waterproof metal casing, the switch is supported in the latter in an inclined position and operable by an arm extending radially from the spindle of the knob. The switch-fixing screws k enter tapped holes in opposed arms f of a cruciform plate, the other arms of which are secured by screws d to bosses c on the floor of the box a. The dolly-axis is thus inclined at about 45 degrees to the vertical central plane. A screw s clamps the radial arm o to the shaped end r<1> of the spindle of the knob m. Parallel depending wings on the arm o embrace the dolly, and an aperture in the flat part of the arm accommodates the dolly at the dead-centre position of the latter. Stops w<1> on the knob and lid define the extreme positions of the dolly. A helical spring t causes leather washers u to engage the lid in watertight manner at the spindle.
Patent GB-753285-A (GB)
Title: Improvements in vaporizers for liquified gases
IPC: F17C9/02
Filed: 1954-06-21
Abstract: 753,285. Tubular heat exchange elements. UNION CARBIDE & CARBON CORPORATION. June 21, 1954 [July 24, 1953], No. 18186/54. Class 64(3). [Also in Group XXVIII] Each of a plurality of vertical parallel airspaced copper fins 2 only one of which is shown has soldered or brazed to it a sinuous duct 3 supplied with liquid oxygen (see Group XXVIII) from a manifold 5 and which discharges gaseous oxygen to a manifold 6. Atmospheric air is blown by a fan 4 between the fins 2.
Patent GB-705703-A (GB)
Title: Improvements in address-printing machines
IPC: B41L47/42
Filed: 1951-08-01
Abstract: 705,703. Hand-cranks. ADREMA MASCHINENBAU GES. Aug. 1, 1951 [Aug. 4, 1950], No. 18201/51. Class 136(2) [Also in Groups XVI and XX1 V] A hand-crank 1 for actuating an addressing machine is provided with a spring-loaded coupling lever 26 rockably journaled about a pivot in the crank arm so that one end can engage in a groove 28 in the end of the driving shaft 4. The other end of the lever co-operates with a screw or the like 29 controlling the engagement of the lever with the notch.
Patent GB-183690-A (GB)
Title: Improvements in clamps for electrical junction boxes for bonding metallic sheathed wires and the like
IPC: H02G3/06
Filed: 1921-07-06
Abstract: 183,690. Boothroyd, G. S., Beecroft, S. E. R., and Callender's Cable & Construction Co., Ltd. July 6, 1921. Earth - continuity couplings. - Metal-sheathed wires a are bonded to junotion boxes, bonding- plates, &c. by clamps comprising a strap, b bent to conform to the sheathing and having its ends c turned back inwards or outwards to leave a wedge - shaped opening and to engage with a channel-shaped wedge which is forced on to tighten the clamp. A tail-piece h is bent to form a clip which engages the edge of a junetion-box, back-plate or the like j and its end may be bent to form a hook m to engage a plate. A slot k mav be cut in the tail-piece to allow a projecting rim l on the backp 1 a t e to engage the sheathing directly. The back-plate may be formed with an indented channel the outer edge of which forms the projecting rim.
Patent GB-734575-A (GB)
Title: Improvements in or relating to percussion tools
Inventor: PEYTON ELLEN CLARISSA DE MALET
IPC: H02K33/18
Filed: 1951-08-02
Abstract: 734,575. Reciprocating motors. ELECTRICAL PERCUSSION, Ltd. Oct. 30, 1952 [Aug. 2, 1951], No. 18364/51. Class 35. [Also in Group XXIII] A percussive tool 1 is driven by the sudden discharge of a condenser C1 through a coil 23 which sets up heavy repulsion forces in a repulsive disc 22 connected to a driver 21. As shown, mains supply is lead to the windings of a three-phase transformer, PT being the primary and ST the secondary windings. The secondary voltage is rectified by mercury diodes D1-D6. A two-way switch S2 has one contact S2 connected to a mercury cathode discharge tube MT, and the other 2S2 to the neutral point N of the primary PT through a choke L1 and two rectifiers R1, R2. When switches MS, S2 and S3 are closed, the armature of S2 being on contact 2S2, switch S1 is closed and condensers C1 and C2 are charged. On the armature S2 changing to contact 1S2 and switch S 1 is opened, thus opening the charging circuit for both condensers; a discharge circuit for condenser C2 is completed through MT which "strikes" and completes a low resistance heavy current discharge from C1 through the coil 23. Switches S1 and S2 may be mechanical contactors on the same motor shaft. Specification 605,747 is referred to.
Patent GB-1019472-A (GB)
Title: Cold-cathode glow-discharge tube
Inventor: WESTON GEORGE FREDERICK
IPC: H01J17/40
Filed: 1964-05-04
Abstract: 1,019,472. Cold cathode tubes. MULLARD Ltd. May 4, 1964, No. 18410/64. Addition to 1,012,229. Heading H1D. A cold-cathode current indicator tube as described in the parent Specification has an anode provided with two substantially parallel limbs which define a slot having substantially straight edges and extending parallel to the cathode, the cathode being visible through the slot. In manufacturing the tube, the cathode is cleaned by sputtering cathode material on to the envelope, only a thin film being produced on the envelope portion adjacent the anode, and this serves as a window. The anode may consist of two rods, or of a slot pressed out of a flat strip; in the latter case the slot may be defined by edges of the strip bent at right angles to the plane of the strip, notches being provided in the strip along an edge of the slot to give an indication of the current passing through the tube. The cathode is provided with a concave surface adjacent the anode and formed of a strip of metal of U- or V-shaped cross-section, the surface of the cathode remote from the anode being coated with a material such that in operation the glow extends only from the concave surface of the cathode. The envelope has a flat portion which serves as the window, and it may have a rectangular cross-section.
Patent GB-1375185-A (GB)
IPC: B60C23/04
Filed: 1972-08-29
Abstract: 1375185 Pneumatic tyre under-inflation indicating systems J K BOUCHER 29 Aug 1972 [1 June 1971] 18495/71 Heading B7C [Also in Divisions H1 and H3]  A system for indicating when the pressure in the tyre of a vehicle wheel falls below a predetermined minimum value comprises an arcuate length 10 of electrically conducting material extending through, or substantially through, 360 degrees and housed in a sleeve 12 of a dielectric material, and a pair of arms 29 each consisting of a length 30 of electrically conducting material housed in a sleeve 32 of a dielectric material, the length 10 being mounted in use to be rotatable with the wheel but being electrically isolated from the wheel when the tyre pressure is above the minimum value, and the arms 29 being mounted on a non-rotatable part of the vehicle such that they are electrostatically screened from one another and be adjacent diametrically opposed regions of the length 10 to be capacity coupled with the regions in order that an electric signal fed to a first of the arms can be transmitted to the second, the system being such that, in use, when the tyre pressure falls to the minimum value the path of the signal from the first arm is altered in such manner that a warning device is actuated. In the embodiment shown in Figs. 1 and 2, the ends of the sleeve 12 are joined by a plastics plug 16 to form a ring and the ring is mounted on a flange 8 provided on the inboard side of the wheel, one end of the length 10 is connected by a wire 18 to earth via a switch (not shown, see Division H1) responsive to the tyre pressure and mounted on a plate 22 on the wheel rim, the arms 29 are mounted on the non-rotatable back plate 26 of the wheel hub, a 20-30 kHz oscillator is connected via a wire 38 to the length 30 of a first of the arms 29, and the length 30 of the second arm is connected by a wire 40 to a warning circuit (see also Division H3) powered by the vehicle battery and including a D.C. amplifier and a warning device in the form of a lamp and/or an audio oscillator. In use, the switch is open when the tyre pressure is above the minimum value so that the signal is transmitted from the first to the second arm and is received by the D.C. amplifier which is biased off by the signal to prevent energization of the warning device, and the switch closes when the tyre pressure falls to the minimum value such that transmission of the signal to the second arm is prevented and the D.C. amplifier is caused to energize the warning device. The sheathing 12, 32 may be made of plastics and the cores 10, 30 may be made of braided copper wire.
Patent GB-612072-A (GB)
Title: Improvements in electrical warp stop motions for looms
IPC: D03D51/28
Filed: 1946-06-20
Abstract: 612,072. Warp stop-motions for looms. BAXTER BROS. & CO., Ltd., and OGILVY, W. June 20, 1946, No. 18522. [Class 142(i)] The detector heald 1 corresponding to a broken warp thread contacts a conductor 7, when the heald frame is at the bottom of the shed, thereby energising a magnet 7a which releases a rod 11; the rod lifts a dagger pivoted on the starting handle into the path of a striker on the slay to stop the loom. The circuit is broken at a switch 17 as the rod 11 falls. The healds 1 comprise strips preferably made by rolling wire to the required gauge; they are preferably disposed in two rows in each heald frame.
Patent GB-1165701-A (GB)
Title: Improvements in or relating to Heated Floor Panels
Inventor: CLARK ROBERT EDWARD
IPC: G05D23/24
Filed: 1965-05-03
Abstract: 1,165,701. Laminated heating panel. BTR INDUSTRIES Ltd. 3 Aug., 1966 [3 May, 1965], No. 18530/65. Addition to 965,592. Heading B5N. [Also in Division H5] A laminated panel for use as a floor surface comprises upper and lower rigid layers 10, 11, of aluminium or of glass epoxy resin laminate, a layer 12 of foamed plastics material such as a polyvinyl chloride, and an intermediate insulating layer between layers 10, 12, supporting a plurality of thermostatically controlled heating elements 14 (see Division H5). The panel is laminated together using an epoxy resin adhesive 13. A heating element 14 comprises a wire 30 on a sheet 31 of glass epoxy resin laminate or comprises a printed circuit heating element with the resistive metal foil adjoining the foamed plastics layer 12.