baber/WOPTO huggingface dataset:
Patent GB-1017167-A (GB)
Title: Improvements in or relating to sheet metal pull tabs for containers
IPC: B67B/
Filed: 1964-08-06
Abstract: 1,017,167. Opening containers. CONTINENTAL CAN CO. Inc. Aug. 6, 1964 [Feb. 17, 1964], No. 32063/64. Heading B8D. A sheet metal pull tab 20, secured to the end wall 14 of a can, Fig. 1 (not shown), by means of a rivet 18 passing through an aperture 30, has a turned-over edge portion 24 at its sides joining a similar portion at its free end whereby the user may grip the tab without cutting his fingers. The end of the tab adjacent the rivet is slightly pointed, the point being used to aid in rupturing the end wall 14 along a score line 15 defining a portion 16 to be torn out when the tab is pulled.
Patent GB-506019-A (GB)
Title: Improvements in or relating to lamps for use in mines and other places
IPC: F21V33/00
Filed: 1937-11-22
Abstract: 506,019. Igniting oil lamps. OLDHAM & SON, Ltd., and HOLT, JUN., H. Nov. 22, 1937, No. 32124. Addition to 478,068. [Class 75 (iii)] [Also in Group XXXVII] In lamp for use in detecting inflammable or other dangerous gases in mines &c., in which an oil lamp is pivoted to an electric battery lamp, as described in the parent Specification, a switch is manually operable from the exterior of the oil lamp by means of a key 8 to close a circuit through the igniting filament 17 of the oil lamp. As shown, the triangular end 7 of the key is adapted to be inserted through a similarly-shaped opening 6 in a plate 4, secured in the oil lamp casing 1, and then turned until it can be brought into alignment with, and engaged in a similarly-shaped recess 19 in a member 12, which can then be turned by the key against the action of a spring 20 so that a cam 13 thereon moves the spring- pressed contact arm 14 into contact with the contact 15. Alternatively, the plate 4, or a portion of the plate formed with the aperture 6, is adapted to be moved by the key to bring the apertures 6, 19 into register. The filament 17 is mounted on an insulating member 24 provided with contact pins 23 detachably engaging contact sockets 22 in an insulating block 21 carrying the switch contacts 14, 15. One end of the filament is connected with the contact 16 and the other end with the battery, the member 12 being earthed.
Patent GB-852279-A (GB)
Title: A new or improved method of and apparatus for sub-dividing patterns in the manufacture of pile or other woven fabrics
IPC: D03C19/00
Filed: 1955-11-10
Abstract: 852,279. Designing fabrics. ROBINSON, P. W. Nov. 12, 1956 [Nov. 10, 1955] No. 32130/55. Class 142(4). [Also in Group XX] To provide a gridded pattern for use in, say, the setting of Axminster spools or the production of jacquard cards, the image of a coloured master pattern 15 is projected, by means of a light source and lens system, on to the undersurface of a translucent screen 23 and on that image is superimposed a cartesian grid by interposing grid forming means in the path of light rays from the same or another light source to the screen, the line spacing of the grid being determined by selection of the forming means from a plurality thereof, or by adjustment of the spacing of the line elements of the means, or by optical adjustment of the spacing of their images. The grid may be formed by two sets of mutually parallel line elements 24, 25 or 31, beneath the screen; or by disposing in suitable relationship with the lens assembly 22, either a transparent plate having two sets of lines marked thereon, or a frame having two sets of line elements extending there-  across. The spacing between consecutive members of each set of elements 24, 25 is made variable by supporting the elements by lazytongs, Fig. 2, and that between the elements 31 by forming them of, say, rubber and securing their ends to consecutive turns of helical springs 33 or to elastically extensible strips. The screen 23 or the grid forming means may be tiltable, to vary the length or breadth of the image formed or the line spacing of the grid. The lens assembly 22 may include removable and replaceable lenses to the same end. A copy of the image may be marked or painted on a sheet of tracing paper placed on the upper face of the screen. The tracing paper may be provided with the required grid; or the grid may be drawn thereon, e.g. by utilising the optical image of the grid pro-, jected on the screen. Specification 750,795 is referred to.
Patent GB-665434-A (GB)
Title: Improvements in and relating to impedance matching devices for hybrid tee wave-guidejunctions
IPC: H01P5/20
Filed: 1949-12-15
Abstract: 665,434. Wave-guide junctions. SPERRY CORPORATION. Dec. 15, 1949 [Dec. 15, 1948], No. 32230/49. Class 40 (viii). A hybrid T wave-guide junction comprises two collinear arms 1 and 5 with mutually perpendicular series and parallel arms 7 and 9, the former being matched to the junction by a conducting member 11 on the opposite surface of the junction, and the latter being matched by a conical member 13 rising from member 11 into guide 7. The member 11 may be a triangular prism as shown or may have a crosssection in the form of a segment of a circle. A tapering extension 15 may be provided to reduce reflections.
Patent GB-340519-A (GB)
Title: Process of preparing 2-amino-3-substituted-10-anthrones and n-substitution products thereof
IPC: C07C225/22
Filed: 1929-06-28
Abstract: 2-amino-3-substituted-10-anthrones and N-acidyl derivatives thereof are obtained by condensing 31-amino-41-substituted-benzyl-o-benzoic acids and N-acidyl derivatives thereof (Specification 314,804, [Class 2 (iii), Dyes &c.]), to close the ring, producing the 2 : 3 isomer practically free from 4 : 3 isomer.  The condensation may be performed in sulphuric acid, oleum, or in acetic acid with dehydrating agents, such as phosphorus pentoxide or penta-chloride. According to examples, (1) the 3-chloro-, -ethoxy-, -methoxy-, derivatives are obtained by condensation of the corresponding 31-amino-41-substituted-benzyl-benzoic acids in sulphuric acid; (2) the N-acetyl-31-amino-41-chloro-benzyl-o-benzoic acid is prepared from the corresponding 31-amino compound and ring-closed with phosphorus pentoxide.  N-phthaloyl, and 3-methyl-derivatives of the 10-anthrones are also specified.
Patent GB-846272-A (GB)
Title: Improvements in or relating to a close-up attachment for stereo photographic cameras
IPC: G03B35/10
Filed: 1956-10-23
Abstract: 846,272. Stereoscopic photography. KODAK Ltd. Oct. 23, 1956 [Oct. 24, 1955], No. 32347/56. Class 98(2) An attachment having means for covering either objective of a stereo-camera and a recticle having range markings for sighting the camera on the centre of the subject to be photographed is used for obtaining close-up stereo-photographs by means of two successive exposures, using a different objective for each exposure. The tilt of the camera about a vertical axis is changed between the exposures to ensure correct convergence of the objective axes and distortion due to excessive length of the stereo base can be eliminated by moving the camera transversely between the exposures. As shown, sighting marks for controlling the camera tilt are arranged on a reticle 26 and numbered according to the range. The reticle is carried on a plate 16 having part 20 to prevent light from entering one objective 12 and a supplementary lens 23 for the other objective 12. Between the exposures the plate is turned through 180 degrees in its plane. A camera support 30 is provided for correcting the length of the stereo-base and has end pieces 33 one of which locates the camera at one exposure position and the other at the other exposure position. Base 31 has hole 32 for attachment of the support to a tripod or the like. The optical axis of lens 23 is arranged to be parallel to that of each camera objective but may be displaced inwardly thereof.
Patent GB-324950-A (GB)
Title: Improvements in or relating to friction clutches for the transmission of power
IPC: F16D13/04
Filed: 1928-11-06
Abstract: 324,950. Gillett, E. H. J. C. Nov. 6, 1928. Controlling different functions by same handle or lever; relay or power apparatus.-In controlling-means for friction clutches, particularly for motor vehicles, the accelerator or like pedal or lever controlling the speed of the prime mover closes, in its initial movement, a pilot clutch which sets in motion a train of mechanism to engage the main clutch, such initial movement being ineffective to accelerate the prime mover, so that, by holding the accelerator partly depressed, the clutch can act as a brake, while by releasing the accelerator, a vehicle can be allowed to " coast." The brake-pedal of a car may occupy the position of the absent clutchpedal. The spring-retracted accelerator-pedal 39, Fig. 5, controls the throttle through an arm 41 and pin-and-slot connection to a rod 42, and, through a cam-surface 43<a> on a plate 43, roller 44, lever 45, adjustable spring 47, and arm 48, turns the pilot-clutch actuating-spindle 46 while the lost-motion connection to the rod 42 is being taken up. The lever 45 is held non-reactively depressed by a concentric surface 43<b> on the plate 43 while the throttle is being opened.
Patent GB-395738-A (GB)
Title: Improvements in electric luminous discharge tubes
IPC: H01J61/28
Filed: 1931-11-23
Abstract: 395,738. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, JENKINS, H. G. and RYDE, J. W., c/o General Electric Co., Wembley, Middlesex. Nov. 23, 1931, No. 32402. Drawings to Specification. [Class 39 (i).] In a lamp of the type described in Specification 349,261 wherein impurity is continually introduced to cause a " ripple " effect, alternative paths are provided for the discharge. The lamp may consist of two tubes joined together at their ends, or two tubes may be placed longitudinally within a main tube which houses the electrodes. The tubes may be differently coloured.
Patent GB-1152597-A (GB)
Title: Improvements relating to a Pressurized Dispenser.
Inventor: ABPLANALP ROBERT HENRY
IPC: B65D83/14
Filed: 1967-07-14
Abstract: 1,152,597. Spray-producers. R. H. ABPLANALP. 14 July, 1967 [11 Aug., 1966], No. 32421/67. Heading B2F. [Also in Division F1] In a dispenser in which actuation of a spray head 50 causes a propellant to offset the flow of a spray material, a cap 60 is provided to enclose the spray head 50 and form an air-tight seal with an external portion of the dispenser, the cap or a portion thereof being displaceable for decreasing the volume within the cap and hence increasing the pressure therein, in order to prevent leakage of the spray material during storage, &c. The cap may be applied to a conventional pressurized container in order to clean the discharge orifice. Preferably the cap is applied to a dispenser of the kind in which a propellant container 20 is contained within a spray material container 10, and in which the spray material flow passage is open to the atmosphere. As shown, the cap 60 fits over a portion 24 of the propellant container closure member 19, the portion 24 enclosing a valve 30, and the pressure within the cap is increased by pushing the cap down the portion 24. In alternative embodiments, the cap fits over the mouth of the spray material container (Fig. 2, not shown), or over both the mouth of the spray material container and the portion 24 (Fig. 3, not shown), or it may seal against the inner surface of the mouth of the dispenser (Figs. 4-6, not shown). The pressure within the cap may be increased by partially collapsing the cap (Figs. 5, 6, not shown). A bead (65, Figs. 4-6) may be formed on the bottom of the cap to engage in a recess (25) and act as a stop. The valve 30 includes a spring-loaded body 35 connected to the head 50 and closing an annular aperture 39 which is surrounded by a resilient gasket 32 and communicates with the discharge orifice 51. The cap may be made of polypropylene and the product container of polyethylene. The propellant may be a chlorinated-fluorinated hydrocarbon. (For Figure see next column)
Patent GB-1224573-A (GB)
Title: Toggle link mounting mechanism
IPC: B02C1/02
Filed: 1969-06-27
Abstract: 1,224,573. Jaw crushers. ENVIROTECH CORP. 27 June, 1969 [12 July, 1968], No. 32523/69. Heading B2A. [Also in Division F2]  A jaw crusher wherein the jaws 26, 28 form toggle links in respective toggle linkages has the outer ends 106 of toggle links 100 supported by bearing assemblies 116 prevented from sliding on fixed bearing surfaces 122 by breaking pieces 160. Bolts 170 limit the travel of the bearing assembly 116 after failure of the breaking piece on overload, and carry springs which urge the leading end of a bearing surface 121 against the fixed surface 122. The breaking piece is a bolt 160 in tension between a frame member 134 and a transverse plate 136 rigid with the plate 118 on which the surface 121 is formed. Shims 121 between a bearing block 140 and the plate 136 allow for adjustment of the toggle linkage. Nylon pivot pins 108, 112 are used in the toggle linkages. Springs 82, 84 urge the jaws apart. The outer ends 70, 72 of the jaws 26, 28. are rotatably carried on eccentric portions 30, 32 of parallel upright driving shaft (42, 46) (Fig. 3, not shown) driven by respective electric motors 50 and interconnected by a cross-shaft (56). When a bearing assembly 116 slides following failure of a breaking piece, it trips a cut-out switch in the motor circuit. A feed mechanism 20 moves material to be crushed from a hopper 22 to the jaws 26, 28. The crusher is generally as described in Specification 1,219,997.
Patent GB-1526870-A (GB)
Title: Etching glass with hf and fluorine-containing surfactant
IPC: C03C15/00
Filed: 1976-08-05
Abstract: 1526870 Etching BAYER AG 5 Aug 1976 [7 Aug 1975 15 Dec 1975] 32645/76 Heading B6J An etching or polishing solution for treating glass, comprises aqueous hydrofluoric acid and an acid-resistant wetting agent which has at least one perfluoroalkyl radical. Suitable wetting agents include quartenized ammonium perfluoroalkane sulphonates, salts of perfluoroalkane carboxylic acids, and perfluoroalkane sulphonamides. The solution may also contain sulphuric acid or an inorganic acid fluoride.
Patent GB-535353-A (GB)
Title: Improvements in and relating to flexible reciprocating driving mechanism
IPC: F16C1/10
Filed: 1939-12-21
Abstract: 535,353. Reciprocating saws. DEAN, W. H. Dec. 21, 1939, No. 32672. [Class 145 (ii)] [Also in Group XXIV] In flexible reciprocating driving mechanism wherein a cable is reciprocated within a sheath by being connected to an eccentrically rotating pin, the cable is connected to the pin by a member which loosely engages the pin and is free to oscillate and slide thereabout. As applied to reciprocating saws and like devices, e.g. as described in Specification 424,914, the pin 10 on the rotating disc 11 is embraced by a slotted link 15 the other end of which has a key-hole slot to receive a spherical head 18 on the cable 17. A sheath 19 prevents wear of the cable during the sliding through the end of the link. The cable passes through a bush 20 beyond which it is enclosed in a spiral sheath 21 anchored to the bush and a loose fit in a flexible tube 22 protected by a spring 23. The other end of the cable passes into a tubular handle 27 and is attached to a piston 28 to which a saw blade 29 is secured. A spring 31 effects the return stroke. The casing 14 is charged with oil which is impelled towards the bush 20 into the tube 22 by the rotating disc 11 which may have blades or scoops. A slight pressure may be maintained in the casing by a hand-pump 25, a pressure relief valve being provided at 26. Where considerable power is being transmitted, the pump may be motor driven. To enable the cable to reciprocate in an approximately straight line, it may be connected through the link 15 to a pin 34, Fig. 4, on a plate 32 pivoted at 33 and having a slot 35 engaged by the eccentric pin 10 on the disc 11. The pivot 33 may be adjustable to vary the stroke of the cable.
Patent GB-393274-A (GB)
Title: Improvements in and relating to axle-brasses of rail vehicles
IPC: B61F15/06
Filed: 1931-11-25
Abstract: Alloys for bearing brasses, consisting mainly of copper and tin or of copper and zinc, contain also lead, manganese, and nickel. For example the alloy may consist of copper together with 4-40 per cent of lead, up to 3 per cent of nickel, 0,2-1,5 per cent of p manganese, and 2-12 per cent of tin or zinc.  The material may have a metal of greater strength embedded in or surrounding it, for example a cast steel shell.  The Specification as open to inspection under Sect. 91 describes also the addition of aluminium, sulphur, magnesium, bismuth, or the like.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1036601-A (GB)
Title: Improvements in or relating to counter members
Inventor: PARSONS CHARLES EDWARD
IPC: G06M1/26
Filed: 1963-08-19
Abstract: 1,036,601. Counters. LANDIS & GYR Ltd. Aug. 19, 1963, No. 32754/63. Addition to 985,778. Heading G4D. A distinctively-coloured flag 14 shows through an aperture in the zero of a lower-denomination wheel when transfer has been effected to the next denomination. Both the roller 8 and its associated transfer disc 2 carry an anchor-shaped weight 16. The units roller is driven by an electric motor or the like and when it has turned through half a revolution a pin on the roller engages an abutment 28 on the transfer disc so that the two move together, with the weights 16 balanced against one another. As the units roller approaches zero position the flag is not visible until at a certain point the transfer disc overbalances, effects transfer, and comes to rest with the flag showing.
Patent GB-537517-A (GB)
Title: Improvements in appliances for facilitating the joining of the ends of conveyor and driving belts
IPC: F16G3/00
Filed: 1939-12-22
Abstract: 537,517. Belt-fastening appliances. WHITTLE, C. H. Dec. 22, 1939, No. 32801. [Class 80 (i)] [Also in Group I] Consists in an appliance for drawing together the ends of conveyer or driving belts to facilitate the joining up of the ends whilst the belts are under tension, comprising a gripping device having two co-acting jaws extending the full width of the belt, clamping means at both ends of said jaws and traction means associated with said gripping device for operating both the clamping means and applying a pull to the belt in the direction of the other belt end. Two jaws a, b are provided of inverted T and I section respectively adapted to grip the belt e between them. The web g of the lower jaw b is bifurcated at each end to receive a pivot pin upon which is mounted a curved lever h carrying at its free end a roller i and a ring k. The web f of the upper jaw a has an extension l with a broad upper surface to constitute a cam track adapted to be engaged by the roller. The rings k are connected by a chain adapted to have a pull applied to it transversely at the middle of its length. Such pull first causes the rollers to act upon the cam tracks thereby pressing the jaws together, after which the belt ends are brought together. In a modification, Figs. 3 and 5, the jaws a, b are as before, but the lever h is mounted on a pivot h<1> in the lower web g and is formed with an arcuate end m having an upwardly extending flange n and a downwardly extending flange o. The inner surfaces of the flanges n, o form cam tracks for two rollers p mounted to rotate on spindles in the ends of the jaws a, b. The free end of each lever h has a chain attached thereto. In further modifications (1) the upper jaw comprises a bar or rod adapted to slide in inclined slots provided in two vertical brackets on each end of the lower jaw (2) the upper jaw again is in the form of a bar or rod to each end of which a lever is secured and over a substantial part of the length of which is welded a curved strip of metal eccentric to the rod. A pull upon cables attached to the levers causes the metal strip to grip the belt and then to .move it bodily. Relative lateral movement between the jaws may be prevented by pins.
Patent GB-793949-A (GB)
Title: Improvements relating to means for distributing fluids
Inventor: HALBERT STUART
IPC: B64D15/16
Filed: 1954-11-12
Abstract: 793,949. Deicing aircraft. T.K.S. (AIRCRAFT DE-ICING), Ltd. Nov. 9, 1955 [Nov. 12, 1954], No. 32895/54. Class 4. A device for distributing liquid, e.g. for deicing the leading edge of a rotary-wing aircraft rotor blade, comprises an outer wall 1, Fig. 1, of porous material, an inner wall 2 of porous material, forming a cavity 3 with the outer wall, a third impervious wall 4 forming a cavity 5 with the inner wall 2, means for introducing liquid or a liquid and air mixture into the cavity 3, means for introducing air into the cavity 5, and means for rotating the device so that the liquid and air are urged outwardly. Fig. 2 shows an alternative embodiment in which a nickel-copper alloy extrusion 7 is set in the leading edge of a rotor blade, the extrusion having a transverse portion 8 formed with a spanwise series of holes or slots 9. A porous outer wall 10 and inner wall 12 form cavities 13, 14 used as before. Specification 724,019 is referred to.
Patent GB-809973-A (GB)
Title: Improvements relating to copper-base alloys
Inventor: PAYNE RONALD JAMES MALCOLM
IPC: C22C9/06
Filed: 1956-10-29
Abstract: A copper-base alloy capable of being worked both hot and cold and having resistance to oxidation, fatigue and creep at temperatures up to 400 DEG C. has the following composition: Mn 10.0-15 per cent, Al 3.5 to less than 6.5 per cent, Fe 2.0-4.0 per cent, Ni 1.5-6.0 per cent, Cu at least 70 per cent.  Other elements may be present as impurities or as incidental constituents added in accordance with common practice in the production of aluminium bronzes.  Among such additional elements are Pb up to 2.0 per cent, Si up to 0.2 per cent, P up to 0.02 per cent, Sn up to 2.0 per cent.
Patent GB-741266-A (GB)
Title: Improvements in strain recording instruments
IPC: G01B7/16
Filed: 1953-11-27
Abstract: 741,266. Counting occurrences of strain. VICKERS-ARMSTRONGS, Ltd., and LAMBIE, J. B. Oct. 26, 1954 [Nov. 27, 1953], No. 32993/53. Classes 106 (1) and 106 (2). An electrical counting apparatus for recording strains in a test piece comprises a cylinder 10 and a piston 11 fixed to two spaced parts of a test piece, the piston 11 having slidably mounted therein contactors 131 ... 134, projecting from both faces of the piston and the ends 14, 15 of the cylinder 10 having a corresponding number of fixed contactors 161 ... 164 and 171 ... 174, the ends of the fixed contactors being of progressively greater distance from the ends of the slidable contactors so that when the piston 11 and cylinder 10 move relatively to one another due to strain on the test piece, the slidable contactors impinge successively against the fixed contactors to make electrical connections to the counting mechanism. Each associated group of sliding contactor and its two fixed contactors is connected to its own counter A, B, C, D having a cocking coil 2 and an actuating coil 1, the arrangement being such that contact between e.g. the sliding contactor 131 and one fixed contactor 171 cocks the counter via coil 2 and the next contact between that sliding contactor 131 and the other fixed contactor 161 actuates the counter A. The slidable contactors may be restrained from endwise movement due to inertia loads. The fixed contactors may be adjustable in position.