baber/WOPTO huggingface dataset:
Patent GB-1138789-A (GB)
Title: Propeller with spring actuated variable pitch
IPC: B64C11/32
Filed: 1967-07-03
Abstract: 1,138,789. Variable pitch propellers. UNITED AIRCRAFT CORP. 3 July, 1967 [22 July, 1966], No. 30509/67. Heading B7V. A blade pitch adjusting device for an aeronautical propeller including a piston 20 movable by pressure fluid in a chamber 26 to adjust the pitch in one direction between reverse and feather positions and a resilient means such as a spring assembly 32 acting on the piston and tending to adjust pitch in the opposite direction, has a cam 34 connected between the resilient means 32 and the piston 20 via a bell crank 46 having a cam-following roller 50 and an arm connected to the resilient means so as to vary the axial load on said piston in a relatively high energy conserving manner whereby the load increases at proximity to the minimum and maximum compressed load of the resilient means.
Patent GB-953569-A (GB)
Title: Improvements in or relating to labelling
Inventor: NEWMAN ROBERT JOHN
IPC: B65C3/14
Filed: 1961-08-24
Abstract: 953,569. Feeding sheets. NEWMAN LABELLING MACHINES Ltd. Aug. 23, 1962 [Aug. 24, 1961], No. 30557/61. Heading B6B. [Also in Division B8] In a labelling machine (Division B8) the mechanism for transferring labels from a stack 60 to a labelling position comprises a cold suction box 25 and a hot suction box 40. The cold suction box is connected to rod 26 sliding in bearing blocks 27, 28 secured to the machine frame. The rod 26 is moved by means of link 30 pivotally connected to the rod 26 and the lever 31. The lever 31, carried on pivot post 32, is pivotally connected by link 33 to the arm 34 which carries a cam follower 35 engaging, under the action of spring 37 with the cam 36 fixed to the cam-shaft 18. The hot suction box 40 slides on rod 42 and is moved by link 43, pivotally connected to the hot suction box and to arm 44. The arm 44 carries cam follower 45 engaging under the action of spring 47, with the cam 46 fixed to the cam-shaft 18. The hot suction box 40 is also arranged to be tilted by means of link 50 fastened to bar 55 and pivotally connected to arm 51 controlled by cam 53, fixed to cam-shaft 18, bearing on cam follower 52. A vacuum supply is controlled by valve 64, which is arranged by means of link 65, arm 66, cam follower 67, cam 68 fixed on cam-shaft 18, and spring 69, to supply suction to either the hot suction box 40 or the cold suction box 25. The box 25 is moved to contact the label stack 60, suction is applied and the box 25 is moved away from the stack 60 carrying a label. Box 40 is reciprocated to a position between the label stack 60 and the box 25 and is tilted towards the label. Suction is removed from box 25 and applied to box 40 and the label is transferred. Box 40 is un-tilted and reciprocated back to the label applying position, where it is again tilted to apply a portion of the label to an article moving at the same speed as the box 40. The box 40 contains electrical heating elements to heat thermoplastic adhesive applied to the labels. Specification 865, 501 is referred to.
Patent GB-1025124-A (GB)
Title: An improved method and container for the preparation of silage
IPC: F16B5/06
Filed: 1964-08-04
Abstract: 1,025,124. Vacuum silage. C. G. JOWSEY, and J. L. DOUTRE. Aug. 4, 1964 [July 17, 1963; Oct. 2, 1963], No. 30559/64. Heading A1F. [Also in Division E2] Apparatus for making silage comprises sheets 5, 6 of gas-impermeable plastics material between which the material to be ensilaged is placed, the edges of the sheets being sealed by means of a plastics tube 1 which is forced in to a resilient member 2 so that an airtight container is formed. Air is evacuated from the container by means of a pump. The member 2, which may be of channel-section, may be embedded in concrete, the lower sheet then being laid over the top of the concrete or embodied as a membrane within the concrete.
Patent GB-279661-A (GB)
Title: Heating appliance for reviving lambs and other young animals
IPC: A01K31/18
Filed: 1926-12-03
Abstract: 279,661. Rae, J. S. Dec. 3, 1926. Rearing-appliances. - A heating-appliance or fostermother for reviving lambs and other young animals comprises a chamber A supported on standards D or brackets and provided with a sliding, hinged, or detachable door B having a glazed or other transparent panel C. The chamber is formed with a floor F that is slightly depressed in the middle to form a shallow trough for drainage purposes, an aperture G being provided above a pan H. The sides of the chamber are extended to form an open heating compartment L bridged by a heat deflecting plate K situated over a stove E. The floor F may be provided with apertures N to let the hot air enter the chamber, and the sides are provided with ventilation openings M. The floor may slope towards one side instead of towards the middle.
Patent GB-1505778-A (GB)
Title: Vacuum cleaner a dust container therefor and a method of making the dust container
IPC: A47L9/19
Filed: 1976-07-22
Abstract: 1505778 Vacuum cleaners ELECTROLUX Ltd 22 July 1976 [20 Aug 1975] 30625/76 Heading A4F [Also in Division B1] A vacuum cleaner bag 16 Fig. 2 (not shown) has an end-plate 19 with a central dust inlet 20. and at least one further aperture 21 which is  bridged by the inwardly folded pervious wall to form a filter 25. In use a clogging indicator comprising a piston 12 slidable in a transparent plastics cylinder 11 is subject to the pressure drop across the bag via passages 15 and 17, passage 15 communicating with the bag interior through aperture 21 and filter 25 so that dust is excluded from the cylinder, while passage 17 opens into the vacuum cleaner housing outside the bag 16. Passage 15 includes a rubber funnel which presses against plate 19. The plate, inlet 20 and aperture 21 are made by punching, glue is applied to the plate and the pervious wall secured thereto. Two apertures 21 may be provided on opposite sides of inlet 20 to allow the bag to be located in either of two positions.
Patent GB-737481-A (GB)
Title: Improvements relating to runners for flanged track or curtain rail
IPC: A47H15/04
Filed: 1952-12-03
Abstract: 737,481. Suspending curtains. FURSE, H. J. Sept. 28, 1953 [Dec. 3, 1962], No. 30663/52. Class 52 (5). A curtain runner for flanged curtain rails comprises a flat metal pressing A provided near its upper edge with an aperture, the upper edge being gapped to embrace the lower flange of the. rail. Secured to the plate is a non- metallic backing B of noiseless low frictional material such as leather having an aperture and gap of smaller dimensions than those of the corresponding parts of the plate so that the projecting parts of the backing are the only parts in contact with the rail. The leather or other suitable material may be impregnated with oil for smooth running.
Patent GB-192817-A (GB)
Title: Improvements in and connected with electric heaters
IPC: F24H3/00
Filed: 1921-11-17
Abstract: 192,817. Stone & Co., Ltd., J., and Darker, A. H. Nov. 17, 1921. Electric radiators.-An electric heater comprising two end frames a connected by rods c for supporting the heating elements l, is provided with terminal conductor plates f common to all the heating elements, and mounted in an insulated manner one at each end of the rods, the opposite ends of the heating elements being removably attached to the terminal plates so as to be readily interchangeable without removing the rods and the elements being made up to suit different voltages. The heating elements, Fig. 4, comprise a resistance wire m wound on a mica strip n enclosed between two insulating strips o, o', the strips being held in position by a brass strip r and a brass binding p. The terminal plates are provided with a series of steps k for receiving the heating elements. Additional elements 22 separated by brass washers 23 from those already on the steps may be fitted if it is desired to increase the consumption of the heater. A perforated cover 5 is fitted around the heating elements. A foot-rest is provided by a number of iron or steel rods 8 mounted on brackets 9 screwed to the end frames. In a modification, the end frames are constructed to be supported by the floor and attached to a vertical wall, and are also provided with outwardly projecting hoods which constitute handles.
Patent GB-639235-A (GB)
Title: Process of activating the oxidising power of chlorite solutions
IPC: B27K7/00
Filed: 1947-11-19
Abstract: Bleaching solutions comprising chlorites are activated by adding a metalloid of Group V or VI of the Mendelieff classification, or carbon, in finely-divided state and in quantity sufficient to acidify the solution by forming, at the expense of a small amount of the chlorite, the acid corresponding to the metalloid used, said acid then decomposing the chlorite and freeing chlorine dioxide.  The metalloid may be freed in situ by the action of the chlorite on a compound adapted to generate the metalloid.  Examples are given in which chlorite solutions are activated by adding red phosphorus, sodium thiosulphate, arsenic sulphide and ammonium and potassium thiocyanates.  Other compounds mentioned capable of liberating the metalloid, are sulphur chlorides, sulphuryl chlorides and polysulphides.ALSO:Bleaching solutions comprising chlorites are activated by adding a metalloid of Group V or VI of the Mendelieff classification, or carbon, in finely-divided state and in quantity sufficient to acidify the solution by forming, at the expense of a small amount of the chlorite, the acid corresponding to the metalloid used, said acid then decomposing the chlorite and freeing chlorine dioxide.  The metalloid may be freed in situ by the action of the chlorite on a compound adapted to generate the metalloid.  Examples are given in which chlorite solutions are activated by adding red phosphorus, sodium thiosulphate, arsenic sulphide and ammonium and potassium thiocyanates.  Other compounds mentioned capable of liberating the metalloids are sulphur chlorides, sulphuryl chlorides and polysulphides.
Patent GB-340640-A (GB)
Title: The manufacture of azodyestuffs for wool
Filed: 1929-10-10
Abstract: Azodyes are formed by coupling a diazo compound of a N-acylcyclohexylaminoarylamine with an azo component containing a sulphonic or a carboxylic acid group or both.  These dyes may be saponified to give further dyes and those dyes whose acyl group contains a diazotizable amine group may be further diazotized and combined with a coupling component.  The products dye wool orange, yellow, brown, red, blue, &c. shades.  The following dyes are described; (1) 1-(N-acetylcyclohexylamino)-4-aminobenzene (or the corresponding N-benzoyl base or its substitution products) --> 2-naphthol-6-sulphonic acid (or 2-naphthol-6-8-disulphonic acid); (2) 1-(N-acetylcyclohexylamino)-4-aminobenzene (or the corresponding o- or p-methylcyclohexyl base) --> 1 (benzoylamino)-8-naphthol-4-6-disulphonic acid (or the corresponding 1 (tetrahydronaphthalene-21-sulphamino)-8-naphthol-3 : 6-disulphonic acid); (3) 1-(N-benzoylcyclohexylamino)-4-aminobenzene (or its substitution products or the substitution products of the corresponding N-acetyl base) --> 2-(o-methoxyphenylamino)-8-naphthol-6-sulphonic acid (or other amino- or arylaminonaphthol sulphonic acids); (4) 1-N-(21-51-dichlorbenzoyl) -cyclohexylamino-4-aminobenzene --> 2-naphthol-8-sulphonic acid or pyrazolone sulphonic or carboxylic acids such as 1-(21-chloro-51-sulphophenyl)-3-methyl-5-pyrazolone; (5) 1-(N-31-aminobenzoylcyclohexylamino)-4-aminobenzene \sQ 2-naphthol-8-sulphonic acid; (6) 1-(N-acetylcyclohexylamino)-4-aminobenzene --> salicylic acid; (7) 1-(N-acetylcyclohexylamino)-4-aminobenzene --> 1-8-dihydroxynaphthalene - 3 - 6 - disulphonic acid and saponified; 1-(N-p-toluenesulpho)-cyclohexylamino)-4-aminobenzene --> 1 - 8 - dihydroxynaphthalene-3-6-disulphonic acid. Specifications 340,495 and 38820/29 are referred to.  1-(tetrahydronaphthalene-21-sulphamino) - 8-naphthol-3-6-disulphonic acid is made by condensing tetrahydronaphthalene-2-sulphonyl chloride with 1-amino-8-naphthol-3-6-disulphonic acid.
Patent GB-641501-A (GB)
Title: Improvements in or relating to automatic voltage regulating equipment
Inventor: KELLY RICHARD
IPC: G05F1/14
Filed: 1947-11-21
Abstract: 641,501. Automatic voltage control systems. STANDARD TELEPHONES & CABLES, Ltd. Nov. 21, 1947, No. 30932. Addition to 629,542. [Class 38 (iv)] In the automatic voltage regulator described in the parent Specification the auxiliary relays HV, LV are provided with additional contacts hv4, lv4, which are series-connected across the H contacts of relay JV1. If LV is permanently operated, the system voltage is raised, HV operated and the regulating motor rotated to lower the voltage. As hv4, lv4 are permanently closed the motor rotates until the limit switch LLS is opened. Alternatively the L contacts of JV1 can be bridged, in which case the motor will stop at the upper voltage limit. Specification 514,294 is referred to.
Patent GB-176438-A (GB)
Title: Improvements relating to the process of heating substances for producing certain chemical changes
IPC: B01J12/00
Filed: 1920-11-02
Abstract: Chemical reactions in solid, liquid, and gaseous substances, which are liable to disturbance by exothermic heating, are effected by heating the finely divided substance or mixture of substances by passage through molten metal kept at a suitable temperature by the rapid distribution of any locally-developed heat to the molten metal, and undesired secondary reactions are avoided.  Examples of reactions to which the invention may be applied are, the destructive distillation of wood, the oxidation of methane to formaldehyde, and, according to the Provisional Specification, the distillation of calcium acetate; thus, finely subdivided wood such as sawdust or shavings are fed to a bath of molten lead at 350 DEG  C. and caused to travel therethrough by a rotating drum, or by means of a travelling endless band as described in Specification 174,974; a mixture of methane and air or oxygen is passed in the form of fine bubbles through molten metal heated at 350-400 DEG  C., preferably in the still described in Specification 170,617, [Class 32, Distilling &c.], the mixed gases being pumped into the hood and issuing therefrom as fine bubbles into the corrugations of the inclined plate.ALSO:In the oxidation of methane to formaldehyde, undue rise of temperature due to locally developed heat is avoided by passing the mixture of methane and air or oxygen as fine bubbles through molten metal.  The bath is heated to 350-400 DEG  C., and the still described in Specification 170,617 [Class 32, Distilling &c.], is preferably employed, the mixed gases being pumped into the hood and issuing therefrom as fine bubbles into the corrugations of the inclined plate.  Acetone.-According to the Provisional Specification, the distillation of calcium acetate is carried out in a bath of molten metal kept at a suitable temperature.
Patent GB-1101814-A (GB)
Title: Improvements in single-phase regulating systems
IPC: H02M5/12
Filed: 1965-07-21
Abstract: 1,101,814. Transformers. ZAVODY V. I. LENINA PLZEN NARODNI PODNIK. 21 July, 1965 [22 July, 1964], No. 30997/65. Heading HIT. [Also in Division H2] A single-phase system for supplying traction motors, with on-load voltage regulation on the high-voltage side, comprises a regulating transformer such as an auto transformer and a main transformer with a fixed ratio. The two transformers have a common two-limb magnetic circuit with an auxiliary yoke between the two sets of windings. The auxiliary yoke is of smaller cross-section than the other parts of the magnetic circuit or has a smaller cross-section than a part of the common magnetic circuit to which the winding of the regulating transformer is assigned. The common magnetic frame may be formed by coiling sheet material which is divided into two U-shaped parts. The auxiliary yoke is butt-jointed between the two parts. The seating surface may be bevelled on one side, or the auxiliary yoke may be divided and butt-joined on both sides to the end-faces of the limbs of the common magnetic frame.
Patent GB-1197279-A (GB)
Title: Luminescent Materials
IPC: C09K11/77
Filed: 1969-06-19
Abstract: 1,197,279. Luminescent materials. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 19 June, 1969 [22 June, 1968], No. 31023/69. Heading C4S. A phosphor comprises an alkaline earth metal borophosphate activated by divalent Eu defined by the formula where 0À5#x#0 and 0À15#y#0À003. The phosphors are prepared by heating twice in N 2  and H 2  alkaline earth metal carbonates, Eu 2 O 3 , H 3 BO 3  and (NH 4 ) 2 HPO 4 . The phosphors are used with organic binders to coat 1.p. Hg discharge lamps for photo-chemical document copying.
Patent GB-244278-A (GB)
Title: Improvements in and relating to plate drainers
IPC: A47L19/04
Filed: 1924-12-29
Abstract: 244,278. May, W. Dec. 20, 1924. Draining-appliances for kitchen use. - A plate drainer comprises a rectangular metal tray, opposite sides of which are slotted at a to hold the plates. Feet d are pressed out of the bottom of the tray, or attached thereto, and the projections b and the bottom are st@ffened by swages c, g. The upper edges of the projections b are bent over and a projection e is provided with a hanging hole f. The article may be made in one piece and it may be cast.
Patent GB-731716-A (GB)
Title: An improved system of distribution by wire of high frequency currents
Inventor: CLARKE WALTER WILSON HUGH
IPC: H03H7/48
Filed: 1952-12-08
Abstract: 731,716. Distributing speech &c. BRITISH INSULATED CALLENDER'S CABLES, Ltd. Dec. 7, 1953 [Dec. 8, 1952], No. 31109/52. Class 40 (4). [Also in Group XXXV] In a television distribution system, branch feeders 3, Fig. 1, are coupled to the main feeder 1 by transformers 2 which have two secondary windings 5, 6 and are so constructed that reflected voltages in the main feeder are not transmitted to the branches. A suitable transformer is shown in Fig. 2 in which the main feeder is connected to primary and secondary windings 4, 6, winding 4 being arranged on an outer limb of a three-legged core. The secondary 6 is distributed on the other core legs and comprises windings 12, 13 which have their turns relationship so chosen that reflected voltages produce equal and opposing fluxes in that part of a core yoke 10 carrying the secondary branch winding 5.
Patent GB-210904-A (GB)
Title: Improvements relating to change-box motions for looms for weaving
IPC: D03D43/00
Filed: 1922-11-20
Abstract: 210,904. Duffin, J. C. Nov. 20, 1922. Change-box motions.-The checking levers 2, 3 are acted upon simultaneously by the pattern cards on two cylinders 1, 6, the main cylinder 1 being rotated regularly every other pick and carrying cards that control the levers 2, 3 and also govern the rotation of the second or regulating cylinder 6 by acting on a lever 7. The cylinder 6 is provided with cards which do not interfere with the control of the levers 2, 3 by the cylinder 1 and with blank cards which prevent these levers from falling. The cylinder 6 may, as shown, be arranged behind the cylinder 1. An arrangement is also described wherein the regulating cylinder is arranged above the main cylinder. The levers 2, 3 operate the usual grab to push it on to a tappet-operated lifting-lever to cause the usual draw catch to rotate the shuttle box.
Patent GB-636246-A (GB)
Title: Improvements in or relating to a screw-conveying method
IPC: C01B11/06
Filed: 1945-11-27
Abstract: A process for manufacturing bleachingpowder or other solid granular material which is a free-flowing solid when prepared at an elevated temperature but which tends to form a hard glazed mass when subjected to compression at a lower temperature, is characterized by the fact that the material after preparation is moved in a screw conveyer and the formation of the glazed mass during such movement is prevented by maintaining the material at or above its temperature of preparation, and/or above the temperature at which hardening occurs.  The conveyer casing may be insulated or steam-jacketed.
Patent GB-252302-A (GB)
Title: Electric current generating apparatus for electrically treating or working upon metal
IPC: H02K31/02
Filed: 1925-12-18
Abstract: 252,302. Elektrotrennmaschinen Ges., (Assignees of Neiss, 0.). June 16, 1925, [Convention date]. Addition to 247,527. Homopolar or acyclic machines; motorgenerators.-In a homopolar generator for the electrical working of metals having the windings described in the parent Specification, the rotor is insulated from the earth, and the current is collected both at the periphery of the rotor and at the end of the rotor at or near its axis. The rotor 1 is insulated from the driving motor at 17 and insulation 18 is provided between the stator 5 and the bearing brackets 19. A single set of brushes 4 bears against the periphery of the rotor, or against a copper slip-ring thereon, and a high-speed friction saw 22 is mounted directly upon the spindle. The brushes 4 are electrically connected with a projection 20 on the stator which is earthed at 14a. The current path follows the dotted line B and is completed through the circular saw 22 and the work 15<a> which is earthed at 23. The projection 20 to which the brushes are connected may be insulated from the stator, in which case the insulating layers 18 may be omitted. A connecting cable 24 may replace the earth connections 14a, 23.
Patent GB-1236199-A (GB)
Title: A method of manufacturing pick-up tubes
Inventor: ORT WERNER
IPC: H01J9/20
Filed: 1969-06-25
Abstract: 1,236,199. Pick up tubes; processing. FERNSEH G.m.b.H. 25 June, 1969 [27 June, 1968], No. 31996/69. Heading H1D. A method of manufacturing a pick up tube (e.g. SEC type) including a photocathode and target spaced sufficiently that, without focusing, a 1: 1 image is formed on the target under a high accelerating voltage, comprises introducing the faceplate 15 into an auxiliary vessel 32 to which the tube body 31 including the target assembly (7) (Fig. 2, not shown) in its final position and the tube foot carrying the electron gun 24 is sealed to form a hermetic enclosure. The faceplate is displaceable toward the tube body and the vessel contains an alkali generator 33 which may be displaceable magnetically, and a displaceable vapourizer 34 for the photocathode base layer (e.g. Sb or Ag-Bi) the vapourizer being displaced to a position between the faceplate and tube body for deposition in vacuum, the alkali generator activated, the faceplate displaced by magnetic or bellow techniques for instance and sealed to the tube body, the auxiliary vessel then being removed. The faceplate may be sealed by low melting point solder such as indium or indium-tin. During both evaporation processes, oxygen may be introduced to increase the photocathode sensitivity. Screening plate 34<SP>1</SP> or a loosely fitting plate covering the open end tube may be provided. The target may be a support of transparent Al foil upon a collodion skin soldered to a mesh foil, upon which a porous SEC coating (e.g. KC1) may be evaporated in an argon atmosphere. The target assembly may include target (7) (Fig. 2, not shown) suppressor mesh (8) and field mesh (9), soldered to flange rings (7a) (8a) (9a) respectively, and mounted on ceramic rings (10) (11) (12). Each electrode may have a contact strip bent round the ceramic ring and bearing against a wall contact. A spring on ring (7a) ensures the prescribed spacing between photocathode and target. Alternatively a low capacitance target assembly may include piles of ceramic insulators (36) (Fig. 4, not shown) aligned with wires (37) which may serve as electrical contacts. Reference is made to TV tubes for colour reproduction.