baber/WOPTO huggingface dataset:
Patent GB-222029-A (GB)
Title: Improvements in clutches or couplings for power transmission
IPC: F16D25/04
Filed: 1924-02-12
Abstract: 222,029. Armstrong, Whitworth, & Co., Ltd., Sir W. G., and Osborne, W. Feb. 12, 1924. Clutches, friction. - In fluid-operated segment clutches, a ring a of a metal such as steel which will expand or contract appreciably under strain is arranged in a groove b in one shaft c. One wall of the groove is formed by a ring f. Segments bear upon the ring a and carry lugs n engaging notches in the parts c, f. Hydraulic or other fluid pressure is supplied through a passage d to a cup leather e bearing on the ring a so that the segments i are pressed against a drum j on he other shaft k. Springs may disengage the segments from the drum when the fluid pressure is removed. The ring a and segments may be arranged to be pressed inwardly against a collar on the shaft k.
Patent GB-153508-A (GB)
Title: Improvements in or relating to tyres for vehicle wheels
IPC: B60B9/22
Filed: 1920-02-09
Abstract: 153,508. Donkin, J. Feb. 9, 1020. Tyre attachments to rims tyres with rims en. closing air tubes or chambers.-The air-tube a is seated in a deep channel rim b, the flanged edges b<2> of which are formed with incisions g to admit of construction over the beaded edges c<2> of the solid tread member c. The contraction of the flanges b<2> is effected by wire &c. rings d formed in segments with turn-buckle connexions e.
Patent GB-419995-A (GB)
Title: Improvements in driving mechanisms for wind screen wipers
IPC: B60S1/06
Filed: 1934-02-06
Abstract: 419,995. Engine valve gear. RUUD, O. S., 40, Jacob Aallsgate, Oslo, Norway. Feb. 6, 1934, No. 3892. Addition to 398,765. [Class 122 (ii).] Spring gears operating in both directions. -In a windscreencleaner operated by a piston adapted to be reciprocated in a cylinder by valve-controlled fluid under pressure, the piston has inclined faces coacting directly with a resiliently-mounted wedge - like member on a reciprocating slide valve. In the construction shown, the cylinder 1 of the motor contains a double - ended piston with a connecting bar 4 formed with inclined faces 5, 6, which are adapted to engage a wedgeshaped member 7. This member fits in a cylinder 9 connected to a slide valve 10 and is pressed against the bar 4 by a spring 8. Pressure fluid enters the cylinder 9 through an inlet 11 and communicates through an opening 12 with a channel 13 leading to the lower end of the cylinder whereby the piston is moved towards the other end. During this movement the wedge 7 is depressed until it engages the face 6 of the bar 4, whereupon the slide valve 10 is moved to connect the inlet 11 with the opening 14 so that the fluid enters the cylinder at the upper end, causing the piston to move downwardly. Exhaust fluid passes out through an opening 18. The piston is connected by a flexible sheathed wire connection 17 to the windscreen-wiper.
Patent GB-1224311-A (GB)
Title: Fluid switching device
Inventor: SKINNER ROBERT THOMAS JOHN
IPC: F15C1/16
Filed: 1967-01-26
Abstract: 1,224,311. Vortex amplifiers. JOSEPH LUCAS (INDUSTRIES) Ltd. April 25, 1968 [Jan.26, 1967], No.3938/67. Heading G3H. The degree of swirl in an output nozzle 11 is determined by the pressure difference at opposed tangential inlets 18, 19 connected to concentric feed conduits 15, 16. A recovery nozzle 13 receives a proportion of the output from nozzle 11 which varies with the jet divergence induced by the vortex in chamber 17. In various modifications Figs. 3-5 (not shown) an additional axial-flow channel is provided in nozzle 11, the outlet of this nozzle can have a stepped configuration, and both nozzles may be of identical construction so that fluid can flow alternatively from nozzle 13 to nozzle 11.
Patent GB-144608-A (GB)
Title: Improvements relating to ignition magnetos for internal combustion engines
IPC: H02K21/28
Filed: 1920-02-09
Abstract: 144,608. Fabriques des Montres Zenith, (Successors to Fabriques des Montres Zenith G. Favre-Jacot et Cie). June 11, 1919, [Convention date]. Magneto - electric machines; inductor machines. -In ignition magnetos for internal - combustion engines, the pole-pieces are constructed with extensions having curved faces with the object of giving a good spark when the ignition is retarded. The pole-pieces a are each provided with extensions c, the polefaces of which are curved so as to lie in pairs on the peripheral surfaces of two geometrical cylinders having axes o' parallel to the axis o of the armature and situated as shown on the drawing. These cylinders are of equal diameter, which is less than that of the bore of the pole-pieces. This construction is applicable both to the rotating armature and to the rotating inductor type of magneto.
Patent GB-813181-A (GB)
Title: Pipe slip means for use with well equipment
IPC: E21B19/10
Filed: 1956-02-08
Abstract: 813,181. Well boring. JOY MANUFACTURING CO. Feb. 8, 1956 [May 17, 1955], No. 3983/56. Class 85 A pipe slip for holding a pipe 16 in the bowl of a rotary table 17 comprises slip bodies 20, and links 21 pivotally connecting the bodies. Each body comprises a flange 26 carrying grooved liners 30 shaped to engage the pipe, a flange 40 having a longitudinally grooved surface 25 shaped to engage the bowl, and an apertured web 39 connecting the flanges. Bosses 57, 58 of the links pivot on pins 52 passing longitudinally through the webs, each of the upper bosses have two projections 59 which engage the web to limit opening of the slip, and also cause tighter engagement with the pipe on rotation of the table. The end and middle bodies of the slip have handles 65.
Patent GB-484837-A (GB)
Title: Improvements in or relating to vulcanizing molds
IPC: B29D30/06
Filed: 1937-02-10
Abstract: 484,837. Moulds for tyres &c. FIRESTONE TYRE & RUBBER CO., Ltd. (Firestone Tire & Rubber Co.) Feb. 10, 1937, No. 3987. [Class 87 (ii)] A vulcanizing mould, particularly for pneumatic tyre casings, is formed with a passage from the mould cavity to the exterior provided with an inwardly opening valve to facilitate the removal of the moulded articles. A tyre mould comprises two steam-jacketed mould sections 10, 11 within which the tyre is adapted to by expanded by an air bag 14. Each section is provided with a tubular valve housing 19 which.is closed by a plug 22 and communicates with the exterior of the mould by a pipe 23. A valve 24 is countersunk in the end of the housing 19 and conforms with the interior surface of the mould. The valve stem carries guiding vanes 26 and a perforated washer 27 which limits the axial movement of the valve. A small projection 27a on the washer 27 prevents rotation of the valve. The valves in the two sections 10, 11 are arranged to be diametrically opposed and on opening the mould compressed air is simultaneously introduced through the pipes 23 so that the tyre is separated from the mould as shown in Fig. 2. Alternatively, air may be admitted to one section only. When a mould section has radial ribs, one of these may be bored to form the valve housing. In the case of moulds adapted to be heated in a pot heater, the valve housing 55, Fig. 8, communicates with the exterior either directly or through a pipe 80 which terminates in a socket 68. The nozzle 69 of a flexible air hose 70 may be connected to the socket 68 by a bayonet joint, and a spring- controlled gasket 73 forms an air-tight connection. In forming rugged tread elements, a valve may be provided at the base of a moulding groove and may be spring-urged on to its seating.
Patent GB-328352-A (GB)
Title: Improvements relating to hatch covers for ships
IPC: B63B19/14
Filed: 1929-02-07
Abstract: 328,352. Lovett, W. J. Feb. 7, 1929. Hatches.-Rigid hatch covers are raised and lowered about an axis parallel to one edge by means of levers 3 pivoted on a pin 4 and operated by blocks 7 sliding on screws 8 rotated by a worm shaft 12 which is driven by a suitable motor (not shown) through shafting and clutches. The raising gear may be duplicated on the opposite side of the hatch as shown in dotted lines, the pivot pin 4 being removable. The screw gearing may be replaced by rope tackle as shown in Fig. 3, utilizing sets of sheaves 28a, 28b on the hatch and on the levers 3 respectively, the falls 25, 26 being led to one or more worm-driven drums, or to suitable winches. In a further modification (not shown) the levers 3 are operated by links led to screw and nut gear arranged along the sides' of the hatch parallel to the levers 3.
Patent GB-128152-A (GB)
Title: Electric Storage Battery Separators and Insulators and Process of Making same.
Inventor: PALMER DONALD ASHFORD
IPC: H01M50/40
Filed: 1919-02-19
Abstract: 128,152. Palmer, D. A. Feb. 19, 1919. India-rubber sheets with ribs for use as separafors in electric batteries are made by first forming a rubber tube b with internal ribs by extrusion and then cutting the tube longitudinally and opening it out flat. The tube may be cut after or during the time it issues from the press. A sheet with ribs on both sides may be produced by forming the tube b with external as well as internal ribs.
Patent GB-138904-A (GB)
Title: Improvements in and relating to valves for internal combustion and other engines
IPC: F01L7/02
Filed: 1920-02-10
Abstract: 138,904. Daniel, P. F. Feb. 10, 1919, [Convention date]. Valves; valve-gear.-A rotary cylindrical valve controlling the inlet or exhaust, or both inlet or exhaust, of a multicylinder engine is formed in sections 1, 1 with flexible connexions 2 which are hollow for the passage of cooling-water through the whole length of the valve, and means such as spring-pressed plungers 26 are provided in the valve casing for holding each section against the cylinder port face 14. The connexions 2 may comprise flexible metal tubing as shown, or ball- and-socket joints. The connexions 2 may be relieved of torsion by driving each valve section 1 independently from spur-wheels on a shaft parallel with the valve, or by providing sleeves 5 on adjacent ends of the sections, these sleeves having clutch teeth to transmit the drive, and water-tight packing at 10.
Patent GB-840882-A (GB)
Title: Improvements relating to nuclear reactors
Inventor: SHILLITTO ARTHUR
IPC: G21C1/12
Filed: 1956-02-09
Abstract: 840,882. Nuclear reactors. ENGLISH ELECTRIC CO. Ltd. Feb. 6, 1957 [Feb. 9, 1956], No. 4143/56. Class 39(4). In a nuclear reactor, the fuel elements are withdrawn downwards from the moderator. As shown, graphite core 10 is supported inside a spherical pressure vessel 15 and cooling gas is passed vertically upwards through it. The control rod operating means 26 are above the reactor and a biological shield 13 surrounds the pressure vessel. Each fuel element channel 16, is aligned with a tube 17 extending from the pressure vessel to discharge surface 18. The end of each tube 17 is sealed with a cover plate 21 and shield plug 20 and guide rods 22 extend between 16 and 17.
Patent GB-229342-A (GB)
Title: Improvements in or relating to step-by-step mechanisms
IPC: H01H67/06
Filed: 1925-02-14
Abstract: 229,342. Siemens & Halske Akt.-Ges. Feb. 15, 1924, [Convention date]. Ratchet gearing. - The driving pawl 3 of a ratchet-driven step-by-step switch has a slot 7 which fits the reduced end of the armature 2, and is held in position by a spring 10.
Patent GB-123846-A (GB)
Title: Improvements in the Manufacture of Bentwood Containers and in Apparatus therefor.
Inventor: KING ALFRED STEPHEN
IPC: B31B3/28
Filed: 1918-03-13
Abstract: 123,846. King, A. S. March 13, 1918. Apparatus for making boxes &c. In the manufacture of box-like containers, a wood or cardboard blank is placed on a flanged plate 10, Fig. 1, and a former 11, Fig. 2, is placed on the blank in such a position that a rabbeted side 114 of the former rests against stops 103. A wedge-shaped slot 104 is then turned up so as to fold one end of the blank into the rabbet, and the former 11 and the slat 104 are rolled together on the plate 10 so as to wrap the blank round the former. The final fold is produced by turning up another slat 105, the slat 104 being removed during this operation. When the box-blanks consist of stiff material, the former 11 may be pressed down upon the plate 10 by spring-pressed or weighted arms, which engage parts 112, 113 of the former and are adapted to be raised by means of a pedal. A number of the folded box-blanks are stacked in a drying-frame 12, Figs. 3 and 6, removably held in an outer frame 13 provided with vertically-sliding blocks 133 arranged to press downwards on the stacks of box bodies. The blocks 133 may be moved vertically by hand-operated levers, and they may be held in their inoperative positions at the top of the frame 12 by spring holding-devices. When the required number of box-bodies has been inserted in the frame 12, a comb-shaped device is secured in the frame so as to hold the stacks of box-bodies firmly in place. Lids and covers.-According to the Provisional Specification, the lids of the boxes consist of disks of ply-wood glued to ply-wood rim portions adapted to pass over the ends of the box-bodies; or rimmed lids of the same external diameter as the box-bodies may fit over rabbeted ply-wood rings secured in the ends of the boxes.
Patent GB-139002-A (GB)
Title: Improvements in emptying and cleaning plugs for hot water apparatus, boilers and thelike
IPC: F24H9/00
Filed: 1919-02-22
Abstract: 139,002. Coleman, A. B. Feb. 22, 1919. Emptying.-Boilers &c., instead of being fitted with screw plugs, which are unscrewed when desired to run off the water for cleaning out the apparatus, are fitted with a screwed pipe, in which is arranged a screwed plug or valve formed in one or two parts, thereby permitting the water to be run off at the required speed, the said screwed pipe being fitted if desired with a connexion for a hose or like pipe through which the water is carried away. As shown in Fig. 1, a screwed pipe a is employed having a body of polygonal section to receive a spanner, and an outlet a<1> for receiving a hose. A screwed plug c formed with a square part c<3> for receiving a spanner or key, and fitted with a preferably vulcanized fibre washer d, is normally closed on a valve seat b, but this plug can be unscrewed to allow the water to run off from the boiler &c. at the desired rate. In a modification, Fig. 4, for larger plants, the plug c is formed in two parts c<1>, c, the latter having a pointed stem c' which presses on a conical recess at the back of the valve part c. The valve is removed from its seat when required by a pin or cotter e on the stem c<4>, which engages a strip c<5> integral with the valve through which the stem c<4> passes. In a further modification, Fig. 9, a screwed outlet-pipe a of a boiler is formed with a valve seat b on to which is pressed a valve c' actuated by a screw c which passes through a bridge-piece f held by lugs d<6> formed integral with the pipe a. The extent to which the valve c is opened is controlled by means of a screw h, Fig. 13, on one side of the valve c<1>, which can be set to engage the valve-seat prior to the washer d, or can be set to allow the washer to be pressed tightly on to the seat. In each case the valve is held firmly in position by the screw c.
Patent GB-1418393-A (GB)
Title: Automatic contrast and dark level control for scanning electron microscopes
IPC: H01J37/22
Filed: 1973-01-29
Abstract: 1418393 Scanning electron microscope ETEC CORP 29 Jan 1973 [24 April 1972] 4447/73 Heading H4F A scanning electron microscope in which the video signal output of an electron collector, which is sensitive to the reflected or emitted electrons from a specimen as it is raster scanned by the electron beam of the microscope, is synchronously displayed on a CRT, wherein the video path between the electron collector and the CRT includes an automatic contrast control circuit and/or an automatic dark level control circuit, both of which function to continuously adjust the gain and/or D.C. bias imparted to the video signal of a frame based upon the contrast and dark level signals detected from the previous frame. The contrast control is effected by varying the power supply to a photomultiplier connected to the electron collector in response to the difference between the maximum peak-topeak video signal level and a reference signal, and the dark level control is effected by varying the D.C. bias applied to a video signal preamplifier in response to the difference between the maximum level of the video signal and a reference signal, the differences being stored for use during the subsequent frame.
Patent GB-274028-A (GB)
Title: An improved base for an electron tube or thermionic valve bulb
IPC: H01J19/66
Filed: 1927-02-17
Abstract: 274,028. Ideal Radiotelefon & Apparatefabrik Ges. July 9, 1926, [Convention date]. Vacuum tubes.-Plug-carrying bases of thermionic valves are provided with four separate or independent projections k, Fig. 3, of hollow formation in which the plugs s are assembled so that the plugs do not contact with the inner walls of the projections k, as shown in Fig. 4, or only contact therewith at isolated points. The recesses e between the projections k extend nearly to the bulb, the surface leakage path being thus increased and the capacity-loss between the plugs decreased.
Patent GB-1089950-A (GB)
Title: Convertible long and step ladder
IPC: E06C1/32
Filed: 1966-02-01
Abstract: 1,089,950. Ladders. N. A. RABELOS. Feb. 1, 1966, No. 4473/66. Heading A6L. A convertible long and step ladder comprises a main section 16 having brackets 40, 42 carrying a rod 38 adapted to engage in one of a number of pairs of notches 36 in an auxiliary ladder section 26 in which the rod is maintained when the ladder is used as a step ladder by a hook 56 pivoted on the rod 38 and engaging a rung 30 on the ladder section 26. When used as an ordinary step ladder the rod engages the top pair of notches and lugs 48 on the end of the brackets 40, 42 engaging the outer side of the auxiliary ladder section, also maintain this engagement. For use on stairs the auxiliary section is slid through the brackets and the rod engaged with a suitable pair of notches. For use as a long ladder the auxiliary section is slid between the rod 38 and the main section and held in position by a hook from the main section. A metal ladder is shown and pivoted hooks 64 for carrying buckets.
Patent GB-1378661-A (GB)
Title: Extruding
IPC: B29C48/475
Filed: 1972-02-11
Abstract: 1378661 Extruding parisons; blow-moulding JOHN ORME Ltd 11 Feb 1972 [12 Feb 1971] 4529/71 Heading B5A An extruder for the extrusion of parisons of controlled wall thickness to be blow-moulded includes moving means to vary the dimensions of the die orifice and control means connected to the extrusion member so that, as the latter moves to effect extrusion, the control means is correspondingly moved and controls the operation of the moving means which alters the die. As shown in Fig. 1, the extruder comprises an axially reciprocating ram screw 14 to feed plastics from accumulation chamber 12 past screw-threaded mandrel 68 to die 16 which comprises an outer die ring 69 and conical core 66. Mounted on ram 14 and movable therewith is a carrier 80 carrying rack 84 which engages a toothed wheel 88 to turn graduated control wheel 90. Several cams 92 are mounted on the rim of wheel 90 to engage microswitches 94 controlling the pneumatic circuitry supplying fluid to cylinder 52 of eccentric device 18 which adjusts the position of die core 66. Core 66 is mounted on rod 60 which is pivoted to an arm 54 mounted eccentrically on a shaft which is rotated by cylinder 52 through arm 38 between limits set by stop bolts 46. The die ring 69 which may be provided with band heaters is adjustable relative to core 66 by means of screws (71, Fig. 5, not shown). The pneumatic circuitry (Fig. 6, not shown) comprises a thick/thin valve (100), a fast/slow valve (104) and a stop/go valve (102) with pilot valves (106, 108), non-return valves (110, 112), air flow regulator (114) and shuttle valves (116, 118). Air from reservoir may flow from thick/ thin valve (100) to either end of cylinder 52 via either valves 110, 106 or valves 112, 108 and through either valve (116) or (118) to operate the appropriate pilot valve (106 or 108). The position of the piston of cylinder 52 and core 66 are thereby determined for a thick or thin extrudate. Air exhausted from cylinder 52 returns via valve (106) or (108) to fast/slow valve (104) and thence to reservoir either directly for fast movement of core 66 or via regulator (114) for slow movement. The stop/go valve (102) operates to maintain the system as it is at any moment by passing air from reservoir to operate whichever of valves (116, 118) is not receiving air from valve (100) so as to switch the air exhaust from cylinder 52 to either of non- return valves (110 or 112), thereby locking the system with the piston of cylinder 52 stationary. In an alternative arrangement (Fig. 7, not shown) the extruder is a continuously operating, rotating screw type, the eccentric device (140) of which moves the die ring while the core is stationary. The control box (142) includes an electromagnetic clutch to disengage when the blow-mould closes to cut off the parison and a clock weight to return the graduated control wheel to its initial position after the clutch has disengaged for the extrusion of a further parison.
Patent GB-434178-A (GB)
Title: Improvements in or relating to the lubrication of bearing
IPC: F16C33/10
Filed: 1934-02-23
Abstract: 434,178. Thrust bearings; lubricating. WATSON, F., Aldwych House, Aldwych, London.-(Aktiebolaget Nomy ; Ulvsunda, Sweden) Feb. 23, 1934, No. 4646/35. Divided out of 434,125 under which a Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 29, 1934. Drawings to Specification. [Classes 12 (i) and 12 (ii)] The construction described is identical with that described in Specification 434,179, but the claims are restricted to the lubricating means.
Patent GB-1416905-A (GB)
Title: Process for the production of uranium hexafluoride
IPC: B01J23/00
Filed: 1973-01-30
Abstract: 1416905 Uranium compounds AUSTRALIAN ATOMIC ENERGY COMMISSION 30 Jan 1973 [2 Feb 1972] 4708/73 Heading C1A A method for the production of UF 6  comprises the reaction of UF 4  with air or oxygen at a temperature of 500 to 700 C. in the presence of a catalyst selected from platinum, ruthenium, palladium, rhodium, iridium, gold, silver, nickel, copper oxide, cobalt oxide, platinum oxide and palladium oxide, either unsupported or on a support selected from alumina, magnesia, silica, calcium fluoride and barium sulphate. A UO 2 F 2  by-product of the reaction may be reduced with hydrogen at 400 to 600 C. in the presence of the same catalyst and the UO 2  reduction product is reacted with HF also in the presence of the catalyst at 400 to 600 C. to produce UF4 which is recycled for further reaction to produce UF 6 . With hydrogen at 400 to 600 C. in the presence of these catalysts UO 2  may be produced from U0 3 . This process may be combined with the reduction of UO 2 F 2  by-product, and the resulting mixture of solids is then hydrofluorinated in the presence of the catalysts to produce UF 4  which is recycled for further reaction to produce UF 6 . UF 4  and catalyst can be added to a fluidized bed of UO 2 F 2  particles which may also contain catalyst, and the UF 6  is taken off and condensed out from the gas.
Patent GB-567182-A (GB)
Title: An improved saddle cover for cycles and motor-cycles
IPC: B62J1/20
Filed: 1943-03-24
Abstract: 567,182. Weather-guards for cycle saddles. HINER, W. S. March 24, 1943, No. 4758. [Class 136 (i)] A cover for protecting a cycle saddle from rain, &c. when the machine is not in use, comprises a frame 2 formed in hinged sections with a waterproof covering 4 applied thereto, which may be moved from an inoperative folded position, Fig. 2, to a position, Figs. 1, 5, in which it extends over the saddle. The frame is jointed at a number of points 1 and is attached to a rod 5 adjustable in a sleeve 6 welded or otherwise secured to a clamp 9 adapted to be clipped over the cross-bar in front of the saddle. In the case of a lady's cycle, the sleeve 6 is secured to a bracket clamped to the upper end of the rear wheel fork.