baber/WOPTO huggingface dataset:
Patent GB-1178418-A (GB)
Title: Hydraulic Valve Operating Device.
IPC: F16K31/122
Filed: 1967-04-25
Abstract: 1,178,418. Valves. M. H. GROVE and J.M.E. GROVE, [trading as M. & J. ENG. CO.], 25 April, 1967 [26 April, 1966], No. 18901/67. Heading F2V. [Also in Division F1] A gate valve having a housing 10 and a rising stem 11, is provided with an hydraulic actuator intended to replace a normal screw actuator. The hydraulic actuator comprises a cylinder 16 fixed to an adapter 14 on the body 10. An annular piston 41 in the cylinder is carried by a sleeve 17 which projects through a sealing closure 19 of the cylinder and is attached through a cap 51 and connector 48 to the screwed end of the normal stem 11. The stem is surrounded by a fixed sleeve 18 of which the outer end is sealed at 44 in the sliding sleeve 17. Fluid is supplied through end closure 15, 19 of the cylinder. A projection 66 on the lower side of the piston and a ring 63 on the upper side, engage respectively in bores 62, 59 in the end closures to cushion the end movements. The piston abuts the end closures in open and closed positions of the valve.
Patent GB-1004181-A (GB)
Title: A parking time indicator for vehicles
Inventor: COY CYRIL
IPC: G07C1/30
Filed: 1961-05-25
Abstract: 1,004,181. Parking time indicators. C. COY. May 24, 1962 [May 25, 1961], No. 18937/61. Heading G4T. A parking time indicator for use on a vehicle has a pair of hands which are pre-set manually to a time corresponding to that when the vehicle is parked, and means that ensures that the setting cannot be altered until the vehicle is moved. The hands 4, 7 are duplicated on opposite sides of the indicator, being attached to crown pinions 5, 8 respectively, which are coupled by idler gears 10, 11 on a shaft 9 Gears 13, 16 and knobs 14, 17 mounted on. concentric tubes, can be moved inwardly against spring means to mesh with the crown pinions for setting the hands. When the hands have been set, a button 20, on the easing, is pressed, pivoting an arm 21 about a pin 22 inwardly so that a tooth 23 moves between the gears 13, 16 to lock them out of engagement with the pinions 5, 8. To retain the arm in this locking position a catch 24 is moved across in front of an abutment 29 under the action of a spring. A flag-type indicator becomes visible through a window in the casing to show that the device has been set. A worm gear 38, rotatably mounted on a bracket 43, is adapted to be driven through a flexible shaft 35 from the vehicle drive. The bracket 43 pivots about a pin 44 under the action of a pin 49 and a cam 48 to move the worm into engagement with a gear 47 when the mechanism is locked. When the vehicle is driven, a pin 51 on the gear 47 trips the catch 24 as the gear rotates, thus freeing the locking arrangement and allowing the hands to be re-set. In a modification, the knobs 14, 17 may be replaced by a single knob in which case the hands are geared together in the ratio 12 to 1.
Patent GB-882221-A (GB)
Title: Improvements in or relating to machines for making paper and like bags
Inventor: ALSOP ARTHUR GRAHAM
IPC: B31B23/00
Filed: 1959-06-03
Abstract: 882,221. Forming bag tubes. STRACHAN & HENSHAW Ltd. Sept. 2, 1960 [June 3, 1959], No. 19009/59. Class 94(2). Relates to tube-forming apparatus wherein a web of paper is folded about a former plate to form a tube and is forwarded to a cut-off position and comprises a nip-bar assembly comprising upper and lower rollers 22, 23 with nip-bars or lands 26, 27 extending substantially the full lengths of the rollers and for peripheral distances less than their circumference, the vertical plane through the axis of the upper roller being in advance of a similar plane through the axis of the lower roller. In the embodiment shown the lands 26, 27 subtend angles of approximately 60 degrees and the angle 29 between a line 24 through the axes of the rollers and a vertical line 25 through the axis of the lower roller is approximately 5 degrees. A beater bar 20 rotates so that it moves upwards from below the paper tube in a path 21 slightly in advance of the forward edge 17 of the former plate 11 and forces the lower ply 13 against that edge and the upper ply 12 against the edge 19 of a breaker plate 18, both edges being serrated. The tube is then cut with the edges of the plies one in advance of the other, which facilitates the sealing of the end of the tube to form a bag. The speed of rotation of the nip rollers 22, 23 is less than that of rollers 14, 15 which draw the tube over the former plate and then, when the lands 26, 27 nip the tube between them just before the beater bar 20 makes contact with it, a slack portion 28 is formed in the tube and this facilitates the action of the beater bar in forcing it against the serrated edges 17, 19
Patent GB-456544-A (GB)
Title: Method of making titanium dioxide
IPC: C01G23/053
Filed: 1935-07-05
Abstract: The hydrolysis of an acid solution of a titanium salt such as the sulphate or chloride is effected by adding it to water containing a polysaccharide such as dextrine.  The latter acts as a protective colloid for the titanium oxide, and after conversion to a soluble sugar by the acid medium may be readily removed by washing the precipitate.  In carrying out the process, the titanium salt solution may be gradually added to water containing 0,5 per cent of dextrine maintained at a temperature of say 80 DEG  C., and the mixed solutions be then raised to the boiling point to hydrolyze the dextrine, or the titanium salt solution at 80 DEG  C., and a solution containing 0,75 per cent of dextrine at 90 DEG  C., may be simultaneously and gradually added to a body of water maintained at 90 DEG  C., and the mixed solutions be finally raised to the boiling point.  The Specification, as open to inspection under Sect. 91, comprises also hydrolysis of the salt solution in the presence of any protective colloid.  This subject-matter does not appear in the Specification as accepted.
Patent GB-840748-A (GB)
Title: Titanium base aluminium-tantalum-columbium alloys
IPC: C22C14/00
Filed: 1957-06-19
Abstract: A weldable titanium-base alloy has a composition in per cent by weight in the following range: Al 5.0-9.0, Ta 0.33-3.33, Nb 0.33-3.33, Ti and impurities the balance.  The alloy may contain as impurities C up to 0.06, N up to 0.03, O up to 0.15, H up to 0.024. Reference has been directed by the Comptroller to Specification 782,564.
Patent GB-278130-A (GB)
Title: Improvements in or relating to electrical plug connectors
IPC: H01R31/00
Filed: 1926-08-05
Abstract: 278,130. Igranic Electric Co., Ltd., and Curtis, A. H. Aug. 5, 1926. Plug couplings. - A resilient plug is formed by bending the reduced ends 1a of a strip 1 into a parallel position, the central part 1<b> being fitted with a screw 2 and nut 3 for connecting a wire. The head of the screw may be square and the stem 2a is hollow, forming a socket to receive a. similar plug. The ends 1<a> are made concave on their outer surfaces to provide a scraping edge to clean the socket. An insulating shroud 4 or insulating enamel shields the surface of the grip and is distinctively coloured.
Patent GB-187688-A (GB)
Title: Improvements in or relating to coin and check freed apparatus
IPC: G07F15/02
Filed: 1921-07-21
Abstract: 187,688. Boe, W. R. July 21, 1921. Gas, delivery by meter; coin action, mechanical-connection.-In a prepayment gas meter or other coin-freed apparatus the coin couples a rotary receiver or sector a, Fig. 2, operated by a handle b to a toothed wheel h by means of a plate g pivoted to the rear arm a<2> of the sector and having a projection g<2>, which is held in engagement with the teeth, by the coin engaging a second projection g<1> extending through a hole a<4> Fig. 5, in the arm a<2>. The hole a<4> extends into a groove a<3> for the coin so that, in the absence of a coin, the projection g<1> can enter the groove, allowing the projection g<2> to disengage, from the toothed wheel h. The valve is operated by a toothed nut g<1> travelling on. a screw g and gearing with a long pinion o, driven by a crown wheel i' on the shaft of the, wheel h. An adjustable pawl acting on a ratchet wheel i<1> in one with the crown wheel prevents backward rotation. The screw q is rotated by the meter to close the valve. Price-changing mechanism. - The insertion slot f is formed in a notched front disc c, Fig. 1, which is secured in position, according to the price of gas, by a member s having a tooth s' to enter the notches in the disc, and two overlapping members s<2>, and allso by an overlapping notched flange d<2>. The member s is locked by a screw s<3> Fraud, preventing; coin-slit closing-devices.- A. disc m on the sector spindle closes the coin slot when the sector is rotated. When the coin slot is open, closed sides on the sector or side wings n screen the wheel h to prevent it from being operated by an instrument inserted through the slot f. In a modification, Fig. 8, the disc' m is placed in front of the wheel h and a pivoted plate t closes the coin slot when the sector is rotated, a circular flange a<5> on the sector acting against a pin t<1> on the plate. When the sector is in register with the slot f, the pin t<1> enters a recess in the flange a5.
Patent GB-1010666-A (GB)
Title: Improvements in machines for harvesting underwater plant life and weeds
IPC: A01D44/00
Filed: 1962-05-22
Abstract: 1,010,666. Weed cutting vessels. AQUATIC CONTROLS CORPORATION. May 22, 1962 (June.1, 1961], No. 19592/62. Heading B7A. [Also in Division A1F] A machine for harvesting underwater weeds comprises a hull 20 propelled by paddles 21 driven by an engine 24 and has a harvesting mechanism consisting of cutters 43 carried by a chain 39 over stationary cutters 42, the cut weeds being carried by laterally operating conveyers 29 on to a central longitudinal conveyer 30 which discharges the cut weeds over the hull on to conveyer 81. The crop then passes under a conveyer belt 85 where it is compressed and on to a resiliently mounted conveyer 98 which discharges on to a platform 101 supported by a ram 111 which operates to raise the platform to transfer the crop on to a following barge. The harvesting mechanism is mounted on rails 124 which are guided between rollers 128, 129 supported on an arm 126 pivoted to the hull and. is held by a cable which can be moved by ram 134 to lower or raise the harvesting mechanism, all parts of which are driven from the engine 24. Alternatively the cutters can be driven by a separate hydraulic motor. The cutters 43 have an upward extension to create an upward current of water as the chain moves.
Patent GB-645263-A (GB)
Title: Improvements in or relating to rubber-like multipolymers containing a conjugated diene hydrocarbon
IPC: C08F236/04
Filed: 1947-07-22
Abstract: A diene having the formula CH2=CR-CR=CHR, where R is hydrogen or methyl, is copolymerized with at least two components, each of which is an ester or nitrile of acrylic or methacrylic acid, each of the latter being at least 10 per cent by weight and the diene at least 50 per cent by weight of the total mixture. Dienes specified are butadiene, isoprene, dimethyl butadiene and piperylene, while esters and nitriles specified are methyl acrylate, methyl, and butyl methacrylates, acrylonitrile and methacrylonitrile.  The process may be carried out by mass, solvent or emulsion methods using heat, light, pressure and catalysts as required.  Catalysts specified are hydrogen peroxide, diazoaminobenzene, dipotassium diazomethane-disulphonate, benzoyl peroxide, potassium persulphate and styrene oxide, while sodium pyrophosphate, sodium oxalate, potassium fluoride, urea, glycine and alanine may be used as activators with hydrogen peroxide.  In emulsion, aliphatic sulphates and sulphonates, aromatic sulphonic acids, salts of high molecular weight organic bases and partially neutralized myristic and palmitic acids may be used. Phenyl-b -naphthylamine may be added before coagulation by freezing and/or adding a salt, acid or alcohol. Pigments, fillers and softeners may be added to the products which may also be vulcanized by heating with carbon, sulphur, zinc oxide and stearic acid.  The multipolymers are soluble in acetone and benzene.
Patent GB-530910-A (GB)
Title: Improvements in or relating to devices for attaching lamps in reflectors
IPC: F21V19/00
Filed: 1939-07-05
Abstract: 530,910. Lamp fittings. PHILIPS LAMPS, Ltd. July 5, 1939, No. 19620. Convention date, July 8, 1938. [Class 75 (iv)] Lamp bulbs of diameters such that they can pass into openings in reflectors from the rear have pins on their caps engaging slots in extensions of the reflectors or in the reflectors themselves. In one modification, Fig. 10, a blade spring 26 passing through a slot in the extension forces the lamp cap downwards. Various modifications are described in which pins and slots co-operate. One or more spring pistons force the lamp firmly home.
Patent GB-498843-A (GB)
Title: Improvements in or relating to electron multiplier discharge devices
IPC: H01J43/12
Filed: 1937-07-15
Abstract: 498,843. Electron multipliers. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BANKS, G. B. July 15, 1937, No. 19640. [Class 39 (i)] At least the last secondary-electron-emitting electrode is made more highly secondaryemissive over predetermined parts of its surface, whereby a desired shape of the output characteristic may be dbtained. A multiplier comprises a cathode 1, a control electrode 1a, secondary electrodes 2, and guiding electrodes 3 ; a magnetic field suitably directs the electrons on to successive electrodes 2. The last secondary electrode may have the portions C, Figs. 3 and 5, made more or less highly secondary-emissive, e.g. by coating with caesium. The output electrode may be combined with the last two guiding electrodes to form the electrode 34. Specification 473,571 is referred to.
Patent GB-662017-A (GB)
Title: Concrete paving block
IPC: E01C5/06
Filed: 1949-07-28
Abstract: 662,017. Moulds for concrete blocks. TRIEF, V. July 28, 1949 [July 31, 1948], No. 19845/49. Class 87(ii) [Also in Group X] The Specification as open to inspection under Sect. 91 comprises an open mould for the manufacture in inverted position of a concrete pouring block (see Group X) having a lower rectangular portion and an upper curvilinear or polygonal portion. The mould comprises a removable base 16 that fits into a frame 14 carrying another frame 15 shaped to the upper portion of the block. A third loose frame 19 fits within the frame 14 and has an inner part 20 shaped to the lower portion of the block. This subject-matter does not appear in the Specification as accepted.
Patent GB-583325-A (GB)
Title: Screw-driving tool
IPC: B25B27/14
Filed: 1944-10-17
Abstract: 583,325. Inserting screwed bushes; breaking. AIRCRAFT SCREW PRODUCTS CO., Inc. Oct. 17, 1944, No. 20099. Convention date, Nov. 3, 1943. [Classes 83 (iii) and 83 (iv)] A device for driving a helix 13 into a threaded hole 35 comprises an electromotor &c. 2 rotating a sleeve 5 with keyway 17 engaging a pin 18 on a driver 11. A slot 15 in the driver is engaged with the tang 14 of the helix and the driver is rotated to screw home the helix until the pin 18 advances clear of the keyway 17. Whilst the tang is still engaged, a casing 24 is lifted to engage the pin 18 with a pin 40 on the casing. Opposite rotation of the casing by hand effects severance of the tang from the helix. A detachable end for engaging screw slots may be fitted. Means is provided for adjustment of travel of the driver. A slotted foot may be fitted to the casing into which the helix is laterally inserted. Initial rotation of the . driver decreases the diameter of the helix.
Patent GB-701848-A (GB)
Title: An automatic device for delivering articles from hoppers
Inventor: BARTA JOSEF
IPC: B65G47/14
Filed: 1951-08-27
Abstract: 701,848. Feeding articles from hoppers. SKODA WORKS, PLZEN, NATIONAL CORPORATION. Aug. 27, 1951, No. 20128/51. Class 117 Means for delivering articles, e.g. small rollers, tubes, rivets, nails and screws, from a hopper to a machine comprises a collecting member 6 adapted to reciprocate within the hopper 1 between a lower position, Fig. 2, at the bottom of the hopper and an upper position, Fig. 1, in which it is in alignment with a shoot 4 leading to the machine, and a feeler member 30 adapted to detect the presence of articles at a certain point in the shoot and to prevent the return of the member 6 to the lower position in that event. An arm 9 on the member 6 is connected by a link 10 to a bell-crank lever 11 pivoted at 12. A spring 15 holds a roller 14 on one arm of the lever against a cam 16 mounted on a driven shaft 17. The feeler 30 is mounted on a shaft 29 :and is connected by a link 27 to a member 22 pivoted at 23. A spring 25 maintains a roller 24 on this member in contact with a cam 26 on the shaft 17. A bell-crank lever 18 pivoted at 19 rests on the bent lower end 13, Fig. 3, of the lever 11 and has a screw abutment 20 mounted in its upper end in the path of a depending part 21 of the member 22. When the feeler is in contact with an article in the shoot, the member 22 is held in the position shown in Fig. 1 and its part 21 cannot move the lever 18 anticlockwise to disengage the notch in its end from the end 13 of the lever 11. This lever, therefore, cannot swing to lower the carrier 6. As soon as the last article has cleared the feeler, the spring 25 will turn the member 22' clockwise to turn the lever 18 anticlockwise to release the lever 11. The member 6 may be replaced by a linearly reciprocating member.
Patent GB-513192-A (GB)
Title: Improvements in or relating to time switches for electric lighting circuits
IPC: G04C23/16
Filed: 1938-11-03
Abstract: 513,192. Time switches. DEWHURST, V., and WELLS, F. Nov. 3, 1938, No. 20160. [Class 38 (v)] In a time switch for controlling the lights of vehicles, a sliding plunger 26 is held against the pressure of a spring 27 from bridging two contacts 28, by the engagement with a projection 25 on the plunger, of a catch 24 on a spring-strip 21. The strip 21 presses against a hub 19 of a gear wheel 18 which is driven by a known type of clock mechanism of which 1 and 2 are the hour and minute hands respectively. The wheel 18 is loosely mounted on a spindle 14 carrying a setting pointer 6 and is prevented from axial movement by a finger 16 on the spindle 14 until its rotation brings opposite the finger 16, a cam depression 17. The wheel 18 then moves axially under the pressure of the spring 21 which now releases the plunger 26 to close the circuit. The spindle 14 has a knob which allows manual setting of the finger 16 to cause operation of the switch at the time indicated by the pointer 6. The switch is reset manually by drawing back the plunger 26. A tumbler switch may be connected in series with the contacts 28.
Patent GB-651587-A (GB)
Title: Improvements relating to the separation of solid materials of different specific gravities
IPC: B03B9/00
Filed: 1948-07-28
Abstract: 651,587. Wet separation. COLLIERY ENGINEERING, Ltd., and LAWRIE, A. E. July 28, 1948. No. 20161. [Class 82(ii)] A wet separation process in which materials of different density are separated in a jig or trough washer, employs a solid/liquid suspension of less specific gravity than the lighter material to be separated, the separated light constituent being screened and the underflow subjected to froth flotation to recover the fine light particles, and to separate out the suspension solid which is returned to the system through a densimetric control stage. In the apparatus shown, the jig or trough washer 1 receives raw coal from a conveyer 2 and the washed coal is screened at 4 and washed by jets 9, the underflow from the screens being froth floated at 12, the finer coal is extracted at 14 and the medium is returned through screen 15 to the head tank 7. The densimetric control step 26 regulates the density of the medium in tank 7. Cyclones 23 and thickener 18 bleed tailings from the system.
Patent GB-262489-A (GB)
Title: Improvements in or relating to flying machines
IPC: B64C13/00
Filed: 1925-08-11
Abstract: 262,489. Sihorshy, I. I. Aug. 11, 1925. Planes, arrangement of; steering.-Aircraft having engines and propellers on opposite sides of the centre line are provided with fixed or movable surfaces in the slip streams from the propellers, each surface being so inclined or shaped, or both as normally to counteract the moment of the thrust of the corresponding propeller or. the machine, thereby compensating for any asymmetrical thrust. Fig. 1 shows two rudders 15, 16 arranged in the slip streams from the propelling units 9, 10, each rudder having its convex portion towards the fuselage, and also inclined, to give a lateral thrust towards the tail of the machine. For steering purposes, the rudders are connected together by a cord 18 and are operated by two pedals 21, 22. Instead of the rudders 15, 16 inclined symmetrical surfaces, or cambered surfaces set parallel to the line of flight may be used, or, as shown in Fig. 6, rudders 30 may be mounted behind fixed inclined surfaces 31. Fig. 7 shows another modification in which fixed surfaces 34, both cambered and inclined, are used to com pensate for asymmetrical thrust, a separate rudder 35 being provided for steering. Such surfaces may be provided also where propellers are disposed above and below the centre line.
Patent GB-838581-A (GB)
Title: Process and apparatus for cleaning articles by ultra-sonic vibrations
IPC: D06F19/00
Filed: 1958-06-24
Abstract: 838,581. Cleaning; ultrasonic vibrations. MASCHINENFABRIK P. PFENNINGSBERG G.m.b.H. June 24, 1958 [July 10, 1957], No. 20223/58. Class 138 (2). Articles to be cleaned are continuously moved in a bath of liquid while being subjected to ultrasonic vibrations generated in the liquid, the position of the source of vibrations or the direction of emission of the vibrations being continually changed. The articles are placed in a meshed basket 5 (Fig. 1), supported on a rotary table 3 driven by electric motor 11 while the ultrasonic emitter 8 pivotally mountedabout a horizontal axis 8<SP>1</SP> and connected to a driving disc 10 of electric motor 11 executes a constant rocking movement when disc 10 is rotated. Hot washing liquid is supplied from boiler 14 while a hot rinse is supplied from boiler 17 via spray 20, the cleaned articles being hot-air dried by blower 21 and heater 22. In place of a pivotally mounted emitter, a fixed vibration emitter 29 (Fig. 2), and a sound reflector 28 rocked about horizontal axis 28<SP>1</SP> may be used. The washing, rinsing and drying. process is controlled by a programme controller 24. The articles to be cleaned may be glass, ceramic, porcelain, enamels or textiles.