baber/WOPTO huggingface dataset:
Patent GB-654306-A (GB)
Title: Improvements in and relating to potters' lathes
IPC: B28B1/02
Filed: 1948-03-12
Abstract: 654,306. Shaping pottery. ELLIS, A. G.,LEAK, J. E., and COLCLOUGH, H. March 12, 1948, No. 7543. [Class 87(i)] In a pottery shaping machine in which the work is carried by a rotary suction chuck 21, a main shaping tool 54 is movable in a tangential direction towards the work and an end shaping tool 81 is movable d o w nwardly on to the work. The tool 54 is carried by a bracket 6, Fig. 3 (not shown) having a sleeve 62 which is slidable on a pivoted bar 64 under the action of a cam 40 co-operating with a roller 67 an a lever 65 coupled to the sleeve by a pin 63 and slot. The tool 54 is inclined so as to engage the work progressively from one end to the other. After operation on the work and before its return to inoperative position, the tool 54 is moved clear of the work by a relieving cam 42 engaging a roller 76 on a link 73 to raise the bar 64 about its pivot 70. The end shaping tool 81 is lowered by a cam 43 acting through a roller 91 on a lever 90 connected by link mechanism to a finger 83 co-operating with a peg 125 on a rod 80 which carries the tool. The machine is started by swinging a handle 115 so that through a spindle 97, a cam 109 and a bellcrank lever 106, fork members 112, 113 are operated to shift a fast driven belt 25 from a free pulley 22 to a pulley 23 on the chuck shaft 20 and a slow-driven belt 36 from the pulley 23 to a pulley 24 coupled by a sprocket 33 and chain 35 to a sprocket 34 which carries the cams 40, 42, 43 and a trip cam 103 which returns the handle 115. The vacuum chuck is controlled by a valve operable by a foot pedal 139 (not shown). Specification 643,892, [Group XXIII], is referred to.
Patent GB-1417736-A (GB)
Title: Paprer-making machines
IPC: D21F1/02
Filed: 1973-02-15
Abstract: 1417736 Paper-making apparatus BELOIT CORP 15 Feb 1973 [24 Feb 1972] 7562/73 Heading D2A A headbox 12 for paper-making machines comprises a chamber 14 which receives, stock under pressure and from which the stock flows through tubes 15 for causing turbulence and then a mixing chamber 16 and a chamber 17 having in it plates 18 supported at their upstream ends only in an apertured plate 16a and carrying trailing flexible members 19. The plates 18 may be of polished stainless steel and the members 19 may be in the form of continuous plastic sheets or of thin plastic trailing strands which may be in aligned rows or arranged in random manner. An adjustable slice lip 24, Fig. 2 (not shown), is secured to a cylindrical bar which is clamped in adjusted position. The adjustment is by arms positioned at intervals along the lip so that the adjustment may vary over the length of the lip.
Patent GB-572807-A (GB)
Title: An improved safety device for thermostatic oil cooler valves
IPC: G05D23/13
Filed: 1943-05-13
Abstract: 572,807. Thermostats. BRITISH THERMOSTAT CO., Ltd., and HURST, W. F. F. MARTIN-. May 13, 1943, Nos. 7628/43 and 5364/44. [Class 64 (ii)] [Also in Group XXIX] In a thermostatic valve or switch having means to move it to a safe position in the event of failure of the thermal element, the actuating bellows 7, containing a volatile liquid, is associated with a second charged bellows 12 which normally does not move, but if the bellows 7 fails through leakage, the bellows 12 releases a locking device which allows a spring to move the valve or switch. In an application to a control valve 5 for the oil cooling system of an internal combustion engine, the bellows 7 is secured to a plate 8 carried by the valve 5, and to a sleeve 9 carried by a fixed cup 10 enclosing a second bellows 12 which is rigidly connected to the cup by a plate 13. The lower end of the bellows 12 carrying a plate 14 is free to move in the cup 10. The bellows 7 is charged with volatile liquid through opening 18 and the space 10a external to bellows 12 is charged with similar liquid through opening 19. The two bellows communicate internally through openings 16, so that bellows 12 is normally balanced. A plate 15 carried by cup 10 carries a sleeve 20 over which a sleeve 21 is adapted to move, but is normally locked thereto by a number of balls 23 which are held by rod 25 carried, through flexible coupling 26, by plate 14. If leakage of bellows 7 occurs, pressure falls within both bellows, and pressure in chamber 10a lifts rod 25 until recessed portion 25a releases the balls 23 from locking position and allows spring 22 to move valve 5 upward. A modification is described, Fig. 3 not shown, including an additional bellows which compensates for variations in atmospheric pressure, but is punctured by the safety device upon failure of the main bellows. Specification 505,360 is referred to.
Patent GB-330535-A (GB)
Title: Improvements in pulley apparatus for lifting and lowering
IPC: B66D3/10
Filed: 1929-03-08
Abstract: 330,535. Hurlimann, O. March 8, 1929. Self-sustaining gear. - A pulley block self-sustaining gear comprises a supporting bracket 7 carrying on a pivot 6 a hanger 5 in which the pulley 1 is mounted. A curved extension 14 from the bracket engages both the load limb 2 of the rope and the hauling limb 3. the limb 3 engaging a roller or pin 11 on a downward extension 12 of the hanger. When the pull on the rope 3 is released the weight of the load draws the pulley sideways so that the rope is held by a projection 9 on the bracket.
Patent GB-350902-A (GB)
Title: A process for improving artificial fibres made from viscose
IPC: D06M11/55
Filed: 1930-03-10
Abstract: Artificial silk obtained from viscose is subjected in the presence of a copper compound to a swelling operation by means of a caustic alkali solution of a concentration usual in mercerization but not exceeding 18 per cent.  Viscose may be spun into any known acid precipitating bath to which a copper salt has been added, and the freshly formed threads are then treated with the caustic alkali solution.  The viscose may be spun into any known precipitating bath and the threads are passed first through an aqueous solution of a copper salt and then through the caustic alkali solution, or the threads may be passed into a solution of a copper salt in the caustic alkali.  The alkali treatment may be carried out at normal or lowered temperatures or even below 0 DEG  C. The threads are subsequently washed and acidified in the usual manner and collected in centrifugal boxes or on bobbins.  The process is also applicable to finished threads or fabrics made by the viscose process.
Patent GB-471978-A (GB)
Title: Improvements in electric signalling systems
Filed: 1936-03-14
Abstract: 471,978. Electric signalling systems. HITCHEN, H., and QUICK, T. March 14, 1936, No. 7766. [Class 40 (i)] In a mine signalling system in which one of two indications giving the origin of the signal is maintained after acknowledgment, the two indications are given in accordance with the extent of movement of separate contact arms controlling lamps. When a call is received the coil 3 is energized and armature 8 is drawn down against the action of springs 11 which come into force successively, the amount of movement being proportional to the resistance in the line circuit. Arm 12 is swung about fulcrum 13 so that contact members 14, 15 are moved over contact banks 24, 25. Magnets 21, 22 are energized to move the contact members against the banks and red and white lamps in the banks 26, 27 are lit. As the signal is a stop signal the attendant releases one of the magnets 21, 22 only so that the white lamp goes out and the red lamp remains lit. When the start signal is sent the apparatus functions as described above but only one contact arm is set by the magnet and a white lamp is lit indicating the position from which the signal has been sent. If this signal coincides with the red lamp already alight the attendant knows that both signals have been given from the same spot. Both lamps are then extinguished and the apparatus reset by manually operated keys.
Patent GB-1423346-A (GB)
Title: Colour formers
IPC: C09B11/24
Filed: 1972-02-21
Abstract: 1423346 Colour formers WIGGINS TEAPE Ltd 10 April 1973 [21 Feb 1972] 7846/72 Heading C4P [Also in Division D2] The invention comprises colour formers of the general formula where R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP>, R<SP>4</SP> and R<SP>6</SP> are H, optionally substituted hydrocarbon radicals or each may form part of a heterocycle incorporating the N atom, and the rings A, B, D and E may bear further substituents. Each R group is preferably methyl or ethyl and may form a heterocycle with the N atom and (i) the adjacent R group or (ii) the ring carbon atom in the ortho position to the N-atom position Œ the adjacent R group. They are prepared by reacting a compound of the general formula with a diphenylamine compound of the general formula where R<SP>1</SP>-R<SP>6</SP> are as above and R<SP>6</SP> is H or C 1 -C 4  alkyl in presence of a condensing agent, e.g. sulphuric acid. The compounds are used in clean-to-handle copying systems.
Patent GB-541013-A (GB)
Title: Improvements in or relating to packing cases
IPC: B65D5/44
Filed: 1940-05-04
Abstract: 541,013. Corrugated fibre-board packing-cases. THOMPSON & NORRIS MANUFACTURING CO., Ltd., and FISON. F. J. May 4, 1940, Nos. 8035/40 and 4553/41. [Class 18] A corrugated fibreboard packing-case, e.g. for canned food-stuffs, is provided with reinforcing end frames 4, Fig. 1, or 7, Fig. 10, connected by metal reinforcing members 6. The end-sections may be of wood as in Fig. 1 and may each be provided with a panel of corrugated fibre-board, or may be of metal as in Fig. 10, a gap 10 being left to facilitate manipulation. In a modification, the section 4 may constitute the end of the case. Tabs may be struck up from members 6 to engage the inner faces of the end sections, and when of metal these members may be corrugated or indented. Various means for connecting the reinforcing members to the end frames 4 are described. The metal angle strips used may be strengthened by corrugating or embossing. Specifications 460,803 and 475,159 are referred to.
Patent GB-141183-A (GB)
Title: An improved device for washing and cleaning crockery or other articles or bodies
IPC: A46B11/06
Filed: 1919-03-31
Abstract: 141,183. McNamara, J. B. March 31, 1919. Self - feeding arrangements. - A self-feeding brush or mop comprises a hollow body a divided by a perforated partition l into two chambers a<1>, n severally fed with water from a hose f through a two-way cock g with finger-lever h which may be spring-controlled, and pipes i, k, the chamber a' containing soap or soda inserted through the aperture c. The perforated brush or mop-plate m is preferably detachable for cleaning or renewal, also enabling the device to be used for other purposes, such as shampooing the hair. A rubber cushion q may be provided. In a modification, the partition is arranged vertically.
Patent GB-398545-A (GB)
Title: Improvements in and connected with bedsteads
IPC: A47C17/70
Filed: 1932-03-18
Abstract: 398,545. Bedsteads; frames; mattresses. HOUNSFIELD, L. H., 3, Durrington Park Road, Wimbledon, London. March 18, 1932, No. 8074. [Classes 52 (ii) and 52 (iv).] A bedstead consists of a sheet of netting, canvas, or similar material 9, Fig. III, attached at its longitudinal edges to resilient side rods 14, such as cane or metal tube, which are supported by springy members 10. The canvas may be extended at each end of the bedstead and folded to form pockets for a pillow and for the feet as shown in Fig. I. The side rods may be made in sections hinged together or joined through sleeves. The supports 10 may be detachably mounted. The bedstead may be foldably mounted against a wall. Specification 246,726, [Class 52 (ii), Furniture for sitting &c. upon], is referred to.
Patent GB-793666-A (GB)
Title: A railway cushioning device
IPC: G03B1/22
Filed: 1956-03-15
Abstract: 793,666. Rubber compression-springs. NATIONAL MALLEABLE & STEEL CASTINGS CO. March 15, 1956 [April 1, 1955], No. 8109/56. Class 108(3) A spring device comprises a plurality of spaced plates 10 and a layer of resilient material 12 disposed between and moulded to adjacent plates 10, each layer of material 12 having spaced parallel openings 14 extending through the layer parallel to, and in spaced relation with, the plates 10, and adapted to receive deformed portions of the material 12 on compression of the device. In operation, on compression, the openings 14 and peripheral recesses 20, gradually become filled with the material 12, and are completely filled when the device is compressed to 48 per cent. of its uncompressed length. In the manufacture of the device, mould elements (not shown) which serve to form the openings 14, also serve to introduce heat into the interior of the rubber for the purpose of curing
Patent GB-240731-A (GB)
Title: Improvements in or relating to vacuum cleaners
IPC: A47L5/10
Filed: 1925-03-26
Abstract: 240,731. Sherbondy, W. E. March 26, 1925. Clutches, free-wheel, for vacuum cleaners. Rollers formed with grooves 58 are engaged to prevent lateral displacement by a disc 62 disposed between the two notched discs 57 supporting the rollers.
Patent GB-1222341-A (GB)
Title: Oven liners
Inventor: SMITH LAURENCE MICHAEL
IPC: F24C15/00
Filed: 1969-02-14
Abstract: 1,222,341. Coated paper board. IMPERIAL CHEMICAL INDUSTRIES Ltd. 29 Jan., 1970 [14 Feb., 1969], No. 8173/69. Heading B2E. [Also in Division F4] A paper board capable of resisting temperatures up to 500‹F is melt-coated with 4-methyl pentene 1 polymer. The board is about 0.018 inches thick and a coating about .001 inches thick of polymer is applied. The coated board is used to form a disposable liner for a cooking oven.
Patent GB-1506721-A (GB)
Title: Fluid treatment modules
IPC: B01D53/22
Filed: 1975-02-27
Abstract: 1506721 Membrane filtration LE CARBONE - LORRAINE 27 Feb 1975 [1 March 1974] 8284/75 Headings B1L, B1M and B1X [Also in Division F4] A one-piece rectangular or cylindrical module comprises two independent systems of parallel fluid channels wherein the channels 1 of one system are interconnected by ducts 2 and alternate through the module with the channels 3 of the other system which are interconnected by ducts 4, the ducts 2 and 4 being disposed in a rectangular pattern as shown in Fig. 2. The channels may at most be a few tenths of a m/m in thickness and the channels of one system may be up to four times thicker than those of the other system. The channels of each system may be connected at their ends to inlet and outlet headers which may be formed with the module Materials suggested for the module are nickel, copper, aluminium, titanium, P.T.F.E. or graphite. For filtering including reverse osmosis and ultrafiltering, using the module material as a filter, one set of channels constituting the inlet is connected to a header above the module and the other set of channels is connected to an outlet header below the module (e.g. as in Fig. 5). When recirculation of the treated fluid is required to keep the filtering surface clean, refer to Fig. 6 (not shown). Briefly mentioned but not described in detail are that the module may be used for distillation or condensation and also for absorption and desorption of a fluid or vapour in or from a liquid. The module may also be used for heat exchange between two fluids.
Patent GB-539050-A (GB)
Title: Improvements in and relating to electric conductors of the sheathed wire type
IPC: H02G15/04
Filed: 1940-05-08
Abstract: 539,050. Electric heating resistances. BRITISH THOMSON-HOUSTON CO., Ltd., SIMS, W. J., and BRUNT, B. P. May 8, 1940, No. 8293. [Class 30 (iii)] [Also in Group XXXVI] The end of a sheathed wire resistance 1 is plugged by securing a closely fitting metal sleeve 4 so that it projects from the sheathing, inserting a vitreous sealing medium 3 in the cavity, heating to melt the seal and forcing a plug 6 of steatite or urea over the projecting end 2 of the conductor into the cavity to cause the vitreous seal to fill all voids. The sleeve may be utilized to secure the cable in passing through a wall by providing a flange 11 and an outer flanged sleeve 10 screwed to engage a gland 9, the wall being held between the gland 9 and flange 11.
Patent GB-734116-A (GB)
Title: Method of joining sheet material
Inventor: BATTY ERIC
IPC: C09J167/08
Filed: 1952-04-01
Abstract: Sheet materials, e.g. package blanks and labels of paper, regenerated cellulose film or aluminium foil, are joined by contacting faces, at least one of which has been coated with a styrenated alkyd resin in an organic solvent and air-dried, preferably force dried to a tack-free surface, and applying heat and pressure at the joint, e.g. by a bar or roller at 110-150 DEG  C. for not more than 5 seconds. The resin may be prepared from polyhydric alcohols such as glycerine, glycol and pentaerythritol, polybasic carboxylic acids such as phthalic and maleic acids, and drying oils such as linseed, wood, oiticica, fish, dehydrated castor and soya oils, and drying oil fatty acids, with or without rosin.  Examples describe the preparation of alkyds from (1), (2) and (3) castor oil, rosin, glycerol and phthalic anhydride and rosin; and (5) chinawood oil, a fatty acid, glycerine, and phthalic anhydride, followed by refluxing with styrene in solution in toluene, xylene or a mixed aromatic solvent using t-butyl hydroperoxide as catalyst.
Patent GB-271602-A (GB)
Title: Improvements in the manufacture of anthraquinone derivatives
IPC: C09B1/32
Filed: 1926-03-27
Abstract: 271,602. British Dyestuffs Corporation, Ltd., and Shepherdson, A. March 27, 1926. Arylaminoanthraquinones are made by condensing unsulphonated arylamines with unsulphonated halogenated anthraquinones in the presence of sodium acetate crystals or of anhydrous or partially anhydrous sodium acetate and a corresponding amount of water in sufficient quantity to act as a diluent or flux. The process may be carried out in open or closed vessels. At the end of the reaction, the reaction mixture is poured into dilute hydrochloric acid to dissolve the excess of arylamine, and the crude arylaminoanthraquinone is purified by treating with sulphuric acid. In examples, 1-amino-2-brom-4-p-toluidoanthraquinone, 1-methylamino-4-p-toluidoanthraquinone and 1: 5-di-p-toluidoanthraquinone are obtained respectively from 2 : 4-dibrom-1-aminoanthraquinone, 1 - methylamino - 4-bromanthraquinone, and 1 : 5-dichloranthraquinone by heating with p-toluidine and sodium acetate crystals in the presence of a small quantity of copper acetate.
Patent GB-976085-A (GB)
Title: Method for producing a lime hydrate
Inventor: CORSON BOLTON LANGDON
IPC: C04B2/06
Filed: 1961-03-08
Abstract: Dry powdery hydrated lime is produced by contacting a fast acting quicklime with watervapour and a carbon dioxide to form a dry film thereon, controlling the time and temperature of contact so that per square metre of surface area of said quicklime, having a hydration time of less than one minute, not more than 5 x 10-4 mols. of water and not more than 2 x 10-4 mols. of carbon dioxide combine, whereby the slaking time is increased by at least 100%, and thereafter hydrating said treated particles of quicklime with water essentially in the liquid state to form a substantially dry powdery lime hydrate. A preferred mixture is provided by flue gas containing carbon dioxide and water vapour, the quicklime undergoing treatment being at 250-450 DEG  F., the flue gas between 212 DEG  to 1000 DEG  F.  The hydration is preferably carried out under pressure with a small excess of water over the theoretical amount required and the slaked lime is preferably dried by dispersion in an atmosphere wherein the excess water is converted into the vapour phase.  The dry powdery lime hydrate may be clustered by pounding between surfaces.  The examples illustrate both the use of steam, and a mixture of steam and carbon dioxide resulting from a flue gas.
Patent GB-368996-A (GB)
Title: Improved method of producing seamless drawn tubes
IPC: B21C1/26
Filed: 1931-03-19
Abstract: 368,996. Making compound and other tubes. OTTO, P., 78, Cheruskerstrasse, Oberkassel, Diisseldorf, Germany. March 19, 1931, No. 8471. [Classes 83 (i), 83 (ii), and 83 (iv).] Casting ; castings; pipe - end closing.-Tubes are formed by casting a hollow billet h in a centrifugal drum l, closing up or flanging the end by forcing the end k of the mould inwards or by subsequent hammering or pressing and then reducing to size by placing it on a hollow mandrel and forcing or pulling it through a series of ring dies g and/or rolls with round or oval passes. To line or coat the tubes with corrosion proof metals, such metals, e.g. nickel, chromium, tin, or zinc in excess is added before casting and the centrifugal action forms a layer of, e.g. nickel on the outside or the lighter aluminium &c. on the inside of the alloy tube. The mandrel may be of carbon steel or suitable alloy.
Patent GB-1405873-A (GB)
Title: Beat scales
IPC: G01G21/24
Filed: 1974-02-25
Abstract: 1405873 Weighing apparatus STATHMOS AB 25 Feb 1974 [26 Feb 1973] 8471/74 Heading G1W A steelyard comprises a weight 21 slidable along a longitudinal channel 12 on the balance beam 8. The weight 21 has a bore 28 the bottom end of which carries a peg 25 for engaging holes 26 in the channel. The top end of bore 28 carries a rod 23 carrying a finger grip 22, and a spring 27 about rod 23 pushes the counterweight downwardly. The weight of weight 21 may be adjusted by placing lead shot in bore 28. A second, smaller, sliding weight 29 is also provided. Beam 8 comprises a lower steel part 11 pivotally mounted on bearings 6, and an upper plastics part 13. The pivots are held firmly seated by springs 7, and the load from a weighing platform is applied to the beam by rod 16 and bearing 15.
Patent GB-578871-A (GB)
Title: Improvements in inertia link devices for cables used in aerial barrages and the like
IPC: F41H11/04
Filed: 1937-03-23
Abstract: 578,871. Aerial barrage cables. SMITH, W. March 23, 1937, No. 8514. [Class 9 (ii)] [Also in Group XXV] A hook coupling link in cables used for aerial barrages comprises a spring- controlled weight 10 which coacts by its part 8 with pivoted jaws 3, 4 tc hold them in closed position, the weight setting back by inertia against the action of a spring 11 to release the jaws and part the cable when a shock wave is produced in the cable by the impact of an aircraft. The invention is stated to be applicable to cables foi towing or for raising loads.
Patent GB-663411-A (GB)
Title: Improvements relating to thermally operated electric switches
Inventor: TAYLOR HAROLD CHARLES
IPC: H01H61/06
Filed: 1949-03-30
Abstract: 663,411. Thermal switches. LUCAS, Ltd., J. March 17, 1950. [March 30, 1949 ; May 4, 1949] Nos. 8594/49 and 11874/49; Class 38 (v). A thermal interrupter for controlling flashing signal lamps on road vehicles, comprises a pair of levers a, b, interconnected by an overcentre springs means, the lever a carrying a moving contact e and the lever b being controlled by a hot wire thermal element j. In Figs. 1 and 2, the lever a is of Y shape and is connected by a spring i to the lever b which is triangular in shape, the levers being pivoted by knife edge bearings on brackets c, h. Stops m, m<SP>1</SP> limit the movement of the lever b, and a stop g and the fixed contact f limit the movement of the lever a. The wire is connected between the apex of the lever b and the base d, and is electrically connected in series with a resistance k across the contacts e, f. Thus when the contacts are open, the wire is heated by the current flowing through it and expands, releasing its constraint on the lever band allowing the spring i to rock both levers. The contacts e, f close and the wire is short circuited and contracts to restore the levers to their original positions, the cycle being repeated automatically. In a modification, Figs. 3 and 4 (not shown) the levers are of V shape and the spring is in two portions which are connected by an iron part such as a ring. This ring cooperates with a permanent magnet or an electromagnet to ensure a "snap-action" of the contacts. Alternatively this part interconnecting the portions of the spring, may be a permanent magnet which co-operates with a fixed iron part.