baber/WOPTO huggingface dataset:
Patent GB-124944-A (GB)
Title: Improvements in Hydraulic Presses, Shears and the like, Worked by Steam Hydraulic Intensifiers.
IPC: B21J9/12
Filed: 1918-05-11
Abstract: 124,944. Davy Bros., and Hand, T. W. May 11, 1918. Presses, producing part of stroke of by gravity and steam pressure; press ram retracting-devices; intensifiers.-Hydraulic presses, shears, &c., operated by a steam hydraulic intensifier and of the kind in which the ram is retracted by steam or other elastic fluid pressure, are provided with means for putting the opposite ends of the retracting-cylinders into communication with one another in a closed circuit during the idle portion of a working stroke of the ram, when the press is working with long and comparatively slow strokes. The intensifier may be constructed as described in Specification 112,090, a single lever 27, Fig. 1, being provided for controlling the intensifier, press, and working valve 26. The lower ends of the retracting-cylinders 16, Fig. 2, are connected to ports 71, and the upper ends to ports 67 in the casing of a weighted piston valve, the casing being also provided with ports 63, 65 connected with the steam supply and exhaust pipes 41, 43 respectively, so that when the valve is in the position shown, the lower and upper ends of the cylinders 16 are open to supply and exhaust respectively. The steam inlet and exhaust valves 42, 44 of the intensifier are controlled by the lever 27 and by hunting-gear operated from a cam-bar 60 carried by the cross-head of the intensifier ram, and the working valve 26 is operated from the lever 27. The spindle 78 of the piston valve is connected through a telescopic joint and automatic detent and trip mechanism 80 of known construction with a rod 79 on a lever 46 forming part of the gear for operating the valves 42, 44. When the press is required to work with short quick strokes, the oscillations of the lever 27 are confined within prescribed limits, so that the piston valve remains in the position shown. When long and comparatively slow strokes are required, the lever 27 is moved to the left-hand limit of its throw so that the rod 79 becomes engaged with the valve spindle 78. The lever 27 is then moved to the right so that the piston valve is raised to bring the ports 67, 71 and, through them, the upper and lower ends of the cylinders 16 into communication. At about the time when the lever 27 is in position for opening the inlet valve 42 of the intensifier, the valve spindle is disengaged from the rod 79, and the valve returns to its original position.
Patent GB-570242-A (GB)
Title: Improvements in or relating to bottom-heavy gyroscopes
IPC: G01C19/44
Filed: 1943-05-19
Abstract: 570,242. Gyroscopic apparatus. SMITH & S.ONS (ENGLAND), Ltd., S., [formerly SMITH & SONS (MOTOR ACCESSORIES), Ltd., S.], and MEREDITH, F. W. May 19, 1943, No. 7981. [Class 97 (iii)] A gyroscope having three degrees of freedom and arranged to be in neutral equilibrium with respect to acceleration forces during normal working, is prevented from assuming an excessively oblique position when at rest, by a ball 9 movable within a cup-shaped member 18 attached to the rotor casing, thereby reducing the time of erection taken by the erecting devices 17. The cup-shaped member is spherical with its centre of curvature at the point of intersection of the gimbal axes, thereby avoiding interference with the movement of the rotor axis. When the rotor comes to rest, the ball prevents excessive obliquity of the rotor by bearing against an abutment wall 22.
Patent GB-1380964-A (GB)
Title: Plugging of metal tubes
IPC: F16L55/13
Filed: 1972-02-22
Abstract: 1380964 Welding by pressure ASSOCIATED ELECTRICAL INDUSTRIES Ltd 19 Jan 1973 [22 Feb 1972] 8050/72 Heading B3R [Also in Division F2] A method of plugging a metal tube, e.g. a tubular hole in a metal plate, a tube having an end fixed in a hole in a metal plate or a free tube which is surrounded by a rigid support means during the plugging operation, comprises inserting into the tube a hollow substantially cylindrical metal plug 3 containing an explosive charge 10 and a body 9 located between said charge and a closed end of the plug for locating the charge in a desired position, the part of the plug adjacent the closed end being a sliding fit within the tube and the plug being of a reduced external diameter over part of its length adjacent its open end and the plug being inserted into the tube with its closed end innermost ; placing over the end of the tube an end cap 11 which is so shaped and arranged as to locate the metal plug coaxially with the tube and in a desired axial position, the plug being retained in the said position by retaining means 8 associated with the inner end of the plug, and a detonator 12 being supported in and located in abutment with the explosive charge by, either said end cap 11 or the body 9 and then detonating the charge to cause an explosion so that at least the outer surface of at least part of the length of the metal plug around the whole of its periphery is welded to the tube wall. In the arrangement shown the end of the plug 3 protrudes from the end of the tube and the end cap 11 has a recess 14 which fits over the plug end, and a spigot 15 which fits into the annular space between the tube wall and the reduced diameter portion of the plug. The change in diameter of the plug between the end portion 4 and the reduced portion 5 is gradual so as to avoid corners of weakness in the plug. The body 9 and the end cap 11 are of a material such that they are substantially undamaged by the explosion or as a result of the explosion will produce debris which can be easily removed, a low density polyethylene is preferred but wood or other plastics material may be used. As an alternative to the arrangement shown the detonator may be positioned in the body 9. In a second embodiment (Fig. 2, not shown) the plug is positioned wholly within the end of the tube and the end cap has a hollow spigot extending into the tube end.
Patent GB-659923-A (GB)
Title: Improvements in and relating to lamp sockets for electric discharge lamps
IPC: H01R33/08
Filed: 1949-03-24
Abstract: 659,923. Lamp-holders. BRITISH THOMSON-HOUSTON CO., Ltd., and WOOD, C. W. March 24, 1949, No. 8081. [Class 38 (i)] A socket for a discharge lamp comprises a contact arm 17 insulatingly mounted on a resilient contact member 14 and adapted to bridge a pair of line contacts when a lamp pin is inserted to engage member 14. The socket is intended for use with an installation such as that disclosed in Specification 617,745, i.e. with a high voltage discharge lamp having a single contact pin at each end, the high voltage being obtained from an auto or double winding transformer. The line contacts are carried by a pair of resilient conductors one of which is shown at 8, riveted, together with member 14, to a base 11 in the socket housing 1, their lower ends carrying terminals. The line contacts are connected in the primary circuit of the supply transformer and member 14 is connected to one side of the high voltage winding of said transformer. The upper end of member 14 is bent away from the resilient conductors so as to space the arm 17 from them when the lamp is detached from the socket. Access to the terminals is obtained through the lower face of the housing which is closed by a removable cover 18. The lamp receiving face of the housing is recessed at 4 to support the end of the lamp.
Patent GB-538939-A (GB)
Title: Improvements relating to bearings for rotatable members
IPC: H01J35/10
Filed: 1940-05-06
Abstract: 538,939. X-ray tubes. BRITISH THOMSONHOUSTON CO., Ltd. May 6, 1940, No. 8083. Convention date, May 6, 1939. [Class 39 (i)] [Also in Group XXXIV] The race of a ball-bearing for a R÷ntgen ray tube as described in Specification 495,435 comprises a pair of elements 48, 49 allowed to separate against spring pressure to increase the dimension of the race. The elements are grooved to receive pins extending from the shaft 35, its abutment 59 or the nut 69 to prevent rotation relative to the shaft. Springs 75 extend between the elements 49 and a collar 77 secured to the shaft. The outer races 47 are in one piece and are secured to a sleeve 85 which carries the rotating anode 15 of the tube. The anode 15 has a target 37 and an extension surrounding and protecting the seal 33, the rotor 41 of an electric motor being mounted on the anode. A shield 91 of molybdenum or tantalum is secured to nut 69 to shield the rear bearing from the heat of the target.
Patent GB-161566-A (GB)
Title: Valve control device for brass and like musical wind instruments
IPC: G10D9/04
Filed: 1921-03-15
Abstract: 161,566. Moeremans, L. April 6, 1920, [Convention date]. Brass and like wind instruments.-In a rotary valve H of a brass or like wind musical instrument, of the kind operated by means of a spring- controlled piston-push E, B, one end of the connecting link C embraces a pivot-pin passing diametrically through the piston B, while the other end is connected directly with the rotary valve.
Patent GB-103934-A (GB)
Title: Improvements in or relating to the Air-supply of Lamp, Stove and like Liquid-fuel Burners.
Inventor: WINSALL JOSEPH
IPC: F23D3/00
Filed: 1916-02-12
Abstract: 103,934. Winsall, J. Feb. 12, 1916. Portable oil and spirit stoves.-Three utensil supports K pass through projections k on a chamber B, and screw to a variable extent into the reservoir top.
Patent GB-1495942-A (GB)
Title: Covers for swimming pools
IPC: E04H4/10
Filed: 1975-02-17
Abstract: 1495942 Swimming pool covers CASCADE POOLS (EAST ANGLIA) Ltd 17 Feb 1975 [25 Feb 1974] 8454/74 Heading A4N A swimming pool cover 28 comprises a layer (32), Fig. 2 (not shown) of flexible plastics foam sandwiched between two impervious flexible sheets (30) of plastics material and a plurality of fastening devices 38 fitted around the edge of the cover. The cover may be generally in the form of a shallow tray with each upturned edge 34 of the tray formed by two layers of the cover material stiffened by a band 35 of plastics material. Each device 38, preferably in the form of a snap fastener, is removably fitted in an eyelet 36 and is snapped over the head of a stud 16 in the coping 14 or in the pool wall. The sheets (30) are joined together to form a matrix of closed cells each containing foam material and the lower sheet may include reinforcing filaments. The cover is provided with drainage holes and the pool has a liner 12.
Patent GB-1092961-A (GB)
Title: Improvements in the treatment of cellulosic materials
IPC: D06M13/402
Filed: 1965-02-26
Abstract: Compounds having the formula <FORM:1092961/C2/1> in which R1 and R11 each represents a substituted or unsubstituted alkyl radical having 1-4 carbon atoms or a hydrogen atom and W represents a substituted or unsubstituted alkylene radical having 1-4 carbon atoms, are prepared by the reaction of an aqueous formaldehyde solution with an aqueous slurry of a compound having the formula <FORM:1092961/C2/2> prepared (a) by adding sulphur to an aqueous solution of NaS.9H2O and adding thereto acrylamide or other corresponding unsaturated amide; (b) by converting a haloamide to a mercaptan by reaction with NaSH, the mercaptan then being converted to the corresponding disulphide compound; or (c) by the reaction of ammonia or an amine with the corresponding sulphur containing acid chloride, the N-methylol amides being further reacted with an alcohol R1OH in the case where R1 is an alkyl radical.ALSO:Cellulosic textile materials, e.g. cotton, viscose rayon, cuprammonium rayon, cellulose acetate and linen, are creaseproofed by reacting them with an organic reactant containing a first radical which is (1) an aldehyde radical (2) an aldehyde acetal radical having the formula -CH-(OR)2 in which R is a substituted or unsubstituted alkyl radical having 1-4 carbon atoms or (3) an N-methylol amide radical having the formula <FORM:1092961/D1-D2/1> in which R\sv and R\yF are substituted or unsubstituted alkyl radicals having 1-4 carbon atoms or hydrogen, and a second radical which is a sulphydryl radical or disulphide radical, the first radical being separated from the second radical by at least one carbon atom the organic reactant containing two of the first radicals when the second radical is a disulphide radical, in the presence of an acidic catalyst, e.g. the ammonium or amine salts of hydrochloric, sulphuric, phosphoric, perchloric or nitric acid, zinc or magnesium chloride or nitrate, acid fluoride salts, zinc fluoroborate, oxalic acid and sodium hydrogen sulphate.  The organic reactant may be applied to the material as a solution in water or water in admixture with an organic solvent, e.g. dimethylformamide or ethanol, by dipping, spraying or padding, and the material then dried and heated to 140 DEG -175 DEG C for 2-10 minutes to effect reaction between the aldehyde, aldehyde acetal or N-methylol amide radicals and the hydroxyl groups of the cellulose.  The resulting materials comprise either sulphydryl or disulphide radicals, the disulphide radicals being reducible to sulphydryl radicals by means of alkali metal or ammonium salts of thioglycollic acid, thioglycerol, mercaptoethanol, alkali metal borohydrides or alkali metal hydrosulphites, and the sulphydryl radicals being oxidisable to the disulphide radicals by means of sodium perborate, hydrogen peroxide or aerial oxidation. After reduction of the disulphide radicals to sulphydryl radicals the material may be creased or otherwise shaped and then subjected to an oxidizing treatment to restore the disulphide cross links.
Patent GB-1498826-A (GB)
Title: Assembly of arc-quenching laminations
IPC: H01H9/34
Filed: 1975-02-28
Abstract: 1498826 Arc extinguishing in switches BROWN BOVERI & CIE AG 28 Feb 1975 [2 March 1974] 8498/75 Heading H1N In an assembly of arc quenching laminations for electrical switchgear, comprising a stack of spaced insulated metal plates 2 mounted in a quenching chamber housing 1, a sheath 4 resistant to leakage current is provided in contact with the assembly to enclose the plates and prevent the arc from running off the plates, the sheath being provided with holes to allow escape of gas and being forced into contact with the plates by projections 5 on the inside of the chamber housing. The holes are staggered according to a pattern to prevent arc-back and a perforated mask may be combined with the sheath its holes being positioned to correspond with those in the sheath. The holes in the sheath may be circular holes and the holes in the mask may be slots, or vice versa. The metal plates 2 are or iron and the sheath may be of paper.
Patent GB-556981-A (GB)
Title: Improvements in the manufacture of posters and the like display articles
IPC: G09F7/00
Filed: 1942-06-22
Abstract: 556,981. Posters. MAIDEN, A. June 22, 1942, No. 8509. [Class 3 (ii)] Posters and like displays have the legend &c. printed on a sheet of fibrous material ,such as asbestos sheets, plaster boards, wood, bitumen-impregnated felt, canvas &c. An impervious coating may be laid on the sheet when the print vehicle is a solvent of the fibre binder, but the print may be applied directly when made of neutral materials, e.g. synthetic resins. The figure shows a sheet 1 of bitumen impregnated felt or canvas coated on one face 2 with shellac varnish 3 to which is applied a background colour 4 This may be an oil paint and has subsequently printed on it the design 5. Screen printing, offset printing &c. may be employed for the layers 3, 4, and 5, and a single coloured synthetic resin coating may take the place of the two layers 3 and 4. Both sides of the sheet 1 may be rendered impervious by a coating 3.
Patent GB-948082-A (GB)
Title: Improvements in reciprocating piston apparatus
IPC: F02B75/04
Filed: 1961-03-08
Abstract: 948,082. I.C. engine construction; compressors. H. L. A. PARSUS. March 8, 1961 [March 10, 1960], No. 8553/61. Heading F1B and F1N. Reciprocating piston apparatus comprises a piston 1 operativelyconnected to a crank-shaft and elastic means 9 constantly urging an axially movable cylinder 2 towards the crankshaft so that the volume of the chamber defined by the cylinder and piston is variable. The movement of the cylinder is limited by stops 10, 11. The arrangement may be applied to multi-cylinder engines in which the cylinders are formed as a single block, moved by one or more elastic members, or to reciprocating compressors.
Patent GB-948038-A (GB)
Title: Carbon body baking furnace
IPC: C01B31/00
Filed: 1962-03-06
Abstract: Carbon electrodes are disposed in packing material with a top layer of sand up to the level of the top of relocatable heating flues disposed in batch-type furnaces (see Division F4) and heated for 15-30 days to a temperature varying between approximately 750-1250 DEG  C. Gases from the heating flues may be recirculated to an external combustion chamber.
Patent GB-555194-A (GB)
Title: Improvements in guides for the transmission of electric waves
IPC: H01P3/14
Filed: 1941-07-10
Abstract: 555,194. Wave-guides. BRITISH INSULATED CABLES, Ltd., and QUAYLE, J. C. July 10, 1941, No. 8694. [Class 40 (v)] A wave-guide of rectangular cross section is made of two strips of sheet metal joined longitudinally one of which is formed as a trough with outwardly projecting transverse grooves at intervals, the other being either a flat strip or a trough to provide flexibility. The Figure shows troughs 5, 6 joined by rolling. Alternatively the grooves 7 may extend to the edges of the trough, Fig. 4 (not shown), and the troughs are joined by welded or soldered flat flanges which are interrupted where the grooves occur.
Patent GB-579506-A (GB)
Title: Improvements in or relating to a heat radiating structure for bodies requiring to be cooled
IPC: F02F1/06
Filed: 1944-05-08
Abstract: 579,506. Cooling cylinders. UNITED AIR CRAFT CORPORATION. May 8, 1944, No. 8697. Convention date, Sept. 11, 1943. [Class 7 (ii)] [Also in Groups XXII and XXVI] A heat radiating sleeve for cooling an engine cylin der comprises a stack o alternately - arranged fit and spacer members 24, 26 which are integrally united at their contacting surfaces, e.g. by welding or brazing, and apertured to receive the cylinder 12 with intimate heat-conducting contact. The fins and spacers are stamped from very soft sheet aluminium and aluminium alloy respectively, the sheets being rolled from the billet with a coating of brazing material thereon. After being assembled, preferably on a mandrel, pressure and sufficient heat is applied to fuse the brazing material. The inside of the sleeve is then machined and heat-shrunk on to the cylinder barrel. Staggered indentations 20, having flattened bottom surfaces, and flanges 30 support adjacent fins. The flanges 30 are arranged on opposite sides to form passages for cooling air. They may be formed by turning up the notched edge of the fin members.
Patent GB-398565-A (GB)
Title: Improvements in means for effecting the movement of slidable windows and the like
IPC: E05F11/42
Filed: 1932-03-24
Abstract: 398,565. Window regulators. THOMAS, S. E., Tregarth, Bath Road, Cranford, Hounslow, Middlesex, and QUICKTHO (1928), Ltd., Point Pleasant, Wandsworth, London. March 24, 1932, No. 8845. [Class 20 (iii).] A sliding shutter or window 13, Fig. 1, is operated by a rotatable handle 1, the movements of which are transmitted to the window by a slidable member 5, a flexible cable 7, and a rod 9, the latter being mounted in a guide 10 and connected to the window or shutter at its upper end 11. In the form shown, a toothed wheel 3, mounted on the shaft 2 of the operating handle, engages with the teeth formed on two such slidable members 4, 5, which are connected to rods 9 mounted one at each side of the window 13. The flexible cables 7 each comprise a wire 14 surrounding a coiled spring 15 the whole being slidably arranged in the guide 10. Springs 29, arranged behind the members 4, 5, assist in raising the window. A spring-clutch device may be arranged between the handle 1 and wheel 3 and adapted to prevent rotation of the spindle 2 except when pressure is applied to the handle. In a modification, the flexible cables are connected to screw-threaded shafts 20, 21, Fig. 4, passing through screw-threaded bosses in two worm wheels 18, 19. The latter mesh with each other and are rotated to effect the displacement of the cables by a worm wheel 17 mounted on the shaft of the operating handle 1.
Patent GB-327276-A (GB)
Title: An improved machine for cutting the stalks of cabbages
IPC: B26D3/26
Filed: 1929-03-19
Abstract: 327,276. Moullec, J. March 19, 1929. Addition to 308,219. Cutting vegetables. - Casings 4 carrying shafts 6 supporting feed wheels 8 are mounted in each of the arms of a Y-shaped opening in a plate 1 provided with feet 2. The shaft in the lower casing is extended and provided with a hand-wheel 9 at one end and with a fast and loose pulley at the other. This shaft is connected to the other shafts by bevel gears 7. The casings are held in depressions in flanges on the edges of the opening in the plate by eye-bolts 10 but can rotate in the bearings formed by these depressions. The shafts 6 pass through hollow iournals 5 and each of the journals of the lower casing is provided with a toothed arm meshing with toothed arms 11 secured to the journals of the other casings. The lower casing is normally pressed upwards about its pivot by a spring 15 and through the toothed arm connections with the other casings these are urged towards the centre of the Y-shaped opening. The cutter 20 is carried by an arm 18. Cabbage stalks fed in through a mouthpiece 21 are seized by the yielding feed wheels 8 and forced against the cutter by which the stalks are cut longitudinally.
Patent GB-549125-A (GB)
Title: Improvements in and relating to electrical control systems employing vacuum tubes operating with secondary emission
IPC: G05F1/00
Filed: 1941-07-14
Abstract: 549,125. Valve relay circuits. BRITISH THOMSON-HOUSTON CO., Ltd. July 14, 1941, No. 8909. Convention date, July 13, 1940. [Class 40 (v)] In a thermionic relay circuit in which a utilization device is connected between the cathode and the secondary emission electrode of a valve, the secondary emission current is caused to change rapidly by changing the operating conditions so as to bring the valve into or out of the range of stable operation: In Fig. 5 the utilization device 44 is connected in series with a resistance 40 between the cathode 31 andthe secondary emission electrode 34. A battery 43 and switch 44 are provided for starting the arrangement. Then a change in potential provided by a device 46 in the control grid circuit causes the tube to pass out of the range of stable operation and the current through resistance 40' and device 41 abruptly ceases: The devicemay be connected in parallel with resistance 40 and the change in current may be brought about by a change in anode potential. In a further modification, the change is. produced by altering the value of resistance 40 by means of a tap moved by a servomotor (Fig. 7, not shown). Specification 526,848 is referred to.