baber/WOPTO huggingface dataset:
Patent GB-686066-A (GB)
Title: Improvements in mine timbering machines
IPC: E21D11/03
Filed: 1951-04-17
Abstract: 686,066. Mine timbering machines. AUSTRALIAN IRON & STEEL, Ltd. April 17, 1951 [May 18, 1950], No. 8921/51. Class 20 (ii) [Also in Group XXX] A mine timbering machine for erecting roof beams and the supporting. props comprises a carriage 6, Fig. 2, having a turntable platform 10 on which is pivotally mounted on a horizontal axis 14 an outwardly extending boom 13 carrying at its outer end a jacking frame 80 for lifting and supporting the roof beams, the boom 13 being tilted about 'the axis 14 and maintained in the raised position by means of a screwed rod 21 carried in a threaded boss 22 on the boom and adapted to abut against a stop on the platform 10. Two similar wing members 48, Fig. 1, pivoted near the inner end of the boom, each on a vertical axis 49 and a horizontal axis 50, serve to push the props into position under the roof beam supported against the roof by the jacking frame 80. Horizontal rollers 11, 47 serve for handling the timbers which may be carried in a truck behind the carriage. The jacking frame 80 is pivoted on a vertical axis 26A to the outer end of the boom and comprises similar spaced outer members 27, 28, Fig. 3, linked to a central cylinder 29 by a crosshead 30. A hollow plunger 31 is slidably mounted in the cylinder in fluid tight fashion and is linked by a second crosshead 32 to middle members 33, 34 slidable in the outer members 27, 28. A piston located in the plunger 31 has a piston rod 35 linked by a third crosshead 36 to inner members 37, 38 slidable in the middle members 33, 34. Pressure fluid is supplied by a pipe 39 to the underside of the piston and stop means limit the upward movement of the piston in the plunger and the plunger in the cylinder. Rock arms 40, 41 are pivoted to the centres of the crossheads 30, 36 respectively, the upper rock arm 40 having curved cradles 42, 43 each pivoted about two horizontal axes 44, 45 and adapted to receive a roof beam, whilst foot plates 46 are similarly mounted on the lower rock arm 41. Each wing member 48 is formed of two closely spaced linked trusses 51, Fig. 4, having pivoted feet 54 adapted to bear against the mine floor, the top 55 slidably supporting a horizontal fluid pressure cylinder 56 with its piston rod 57 secured to the wing at 58. A forwardly facing U-shaped cradle 59, adapted to be closed by a latch for securing a prop, is secured to the outer end of the cylinder 56. Spaced rollers 61, 62 serve for handling the prop timbers. When inoperative, the wing members 48 may be supported clear of the floor on brackets 63, Fig. 2, on the boom 13. Single or double acting fluid pressure cylinders may be used, with water or compressed air controlled by valves 66, 67, 68, and spring means may be used for retraction or release of fluid: pressure. Specification 654,985 is referred to.
Patent GB-854421-A (GB)
Title: Self cocking ledger weight
IPC: A01K95/00
Filed: 1959-03-16
Abstract: A ledger weight comprises a spherical body of polythene having a lead weight disposed in its bottom and a swivel pin in its top.
Patent GB-116377-A (GB)
Title: Improvements in Bifurcated or Tubular Rivets.
IPC: F16B19/10
Filed: 1917-06-25
Abstract: 116,377. Bifurcated & Tubular Rivet Co., and Joscelyne, H. J. June 25, 1917. Lacing-fastenings.-Relates to tubular and bifurcated rivets made with shouldered shanks so that the unreduced part projects to form a fastening means for belts, boots, corsets, &c., and consists in the case of a tubular rivet in reducing the outside diameter only, the inside diameter being constant throughout the length of the rivet, and in the case of a bifurcated rivet in forming the shoulder at the junction nf the prongs with the solid shank. As shown in Fig. 1, the bifurcated shank is threaded through a washer e. The washer may have a separate opening f, Fig. 4, for each prong. Fig. 3 shows a tubular rivet with the shoulder at d.
Patent GB-660854-A (GB)
Title: Improvements in stall warning device for airplanes
IPC: B64D45/00
Filed: 1949-04-04
Abstract: 660,854. Stall indicators. GREENE, L. M. April 4, 1949, No. 9117/49. Class 4. A stall indicator consists of a vane 6 pivotally mounted at 7 in the front stagnation zone of an aerofoil 5, and arranged to operate a signal such as a lamp 12. At normal angles of incidence the stagnation point is located above the point 7 and the vane is pressed against a lower bracket 8, but near the stall the stagnation point moves below the point 7, causing the vane to pivot upwardly into contact with an upper bracket 11 and thus close the circuit of the lamp 12. The vane may be directly pivoted on the leading edge of the wing as shown, or mounted on a box unit let into the leading edge (Figs. 3-6, not shown).
Patent GB-1073607-A (GB)
Title: Improvements in or relating to teleprinters
IPC: H04L12/00
Filed: 1965-03-04
Abstract: 1,073,607. Telegraphy. SIEMENS A.G. March 4, 1965 [March 4, 1964], No. 9189/65. Heading H4P. A teleprinting system comprises means, operating at one speed and coding, for setting up and checking a connection between two teleprinters which subsequently communicate at another speed and coding. In the embodiment described, the connection is set up by dialling, and then the W.R.U. signal (Figs., D) is sent from the calling keyboard in 5-unit code at 50 Bd. The called subscriber detects, but does not print, this signal and returns an Identification signal (C.R., L.F., Figs., 1) in 5-unit code. The digit 1 in the Identification signal indicates the mode of transmission in which the associated called teleprinter operates, e.g. 6-unit 200 Bd. The Identification signal is detected at both the called and calling stations and if it indicates the desired transmission mode, the teleprinters communicate in 6-unit 200 Bd. code, the local receivers and serial-parallel converters being switched to operate in this mode. The W.R.U. signal is again transmitted by the calling station, in 6-unit code now, and is replied to by the Here Is signal identifying the called station. The checking being complete, data now passes between the subscribers.
Patent GB-725851-A (GB)
Title: Improvements in or relating to dispenser cathodes for electric discharge tubes
IPC: H01J1/14
Filed: 1953-04-02
Abstract: 725,851. Cathode materials. PHILIPS ELECTRICAL INDUSTRIES, Ltd. April 2, 1953 [April 9, 1952], No. 9211/53. Class 39 (1). In a dispenser cathode in which a supply of emissive material is enclosed behind a porous wall of sintered refractory material, said emissive material consists of a mixture of alkaline earth oxide(s) with acid-forming oxide(s), to which is added a small quantity of boron, carbon, boron carbide, silicon carbide, or a metal carbide or boride; the amount of the former oxide(s) is equal to or less than the quantity required for stoichiometric relationship with the latter oxide(s). The emissive material may be barium beryllate (derived from barium oxide, BaO, and beryllium oxide, BeO), or the zineate, titanate, aluminate, zirconate, or silicate of barium. Besides boron, carbon, and boron carbide, the added material may also consist of the borides of titanium, uranium, manganese, magnesium, barium, cerium, aluminium, chromium. thorium, strontinum, zirconium, and lanthanum; or the carbides of silicon, titanium, calcium, lanthanum, tungsten, tantalum, nickel, manganese, thorium, or chromium. The boron or boride additive may be in a separate compartment from the oxides, communicating therewith through a porous wall.
Patent GB-1361673-A (GB)
Title: Water heaters
IPC: F24H9/00
Filed: 1972-04-10
Abstract: 1361673 Connections to flues IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 10 April 1972 [13 April 1971] 9221/71 Heading F4W [Also in Division F2] A gas-fired water heating stove comprising an adaptor for interconnecting the combustion products outlet of a combustion chamber 6 to a balanced flue 20, 21 comprises a cowl 14 fitted over and secured to the open upper end of the chamber 6 and having apertures 17 directed along axes at right angles to one another in three sides and the top, and removable caps 23 for sealing off all but one of the apertures 17. The stove comprises a combustion air supply fan 3 and a secondary air supply chamber 5 having an inlet 13. An outer casing 1 of the stove is provided with openings 22 coaxial with apertures 17 and closable with cover plates 25. The caps 23 are secured to the cowl 14 by bolts 24.
Patent GB-809125-A (GB)
Title: Improvements relating to the brazing of titanium or titanium base alloys
IPC: H01M6/28
Filed: 1955-03-30
Abstract: Titanium and/or titanium base alloy articles are brazed with a brazing material placed between the articles which comprises the ingredients of a titanium base alloy of substantially eutectic composition and forms the alloy during the brazing operation.  A mixture of the powdered metals titanium 62 parts, nickel 28 parts, and cooper 10 parts are rolled into a foil and combine during brazing into a eutectiferous alloy.  A tube of nickel packed with a powdered mixture 86.1 per cent titanium 13.9 per cent copper forms an alloy of 62 per cent titanium, 28 per cent nickel and 10 per cent copper during brazing.  Other suitable alloys are in parts by weight titanium 72, nickel 28; titanium 60, copper 40; titanium 72, cobalt 28.
Patent GB-433436-A (GB)
Title: Improvements in weighing machines for giving printed and the like permanent records
IPC: G01G23/18
Filed: 1935-03-26
Abstract: 433,436. Weighing-apparatus DENISON & SON, Ltd., S., BROOKES, F., and LENTON, A., Hunslet Foundry, Leeds. March 26, 1935, No. 9354. [Class 143] Printed records, apparatus for giving.-In a printing weighing-machine using an endless carbon &c. ribbon of single or multiple colour, the ribbon and its drive are mounted on an easily removable carrier. After swinging the printing box upwards by means of the printing handle D to obtain a printed record as described in Specification 2690/12, [Class 143], the subsequent downward movement of the printing handle actuates, by means of a pawl, a spur wheel A. The spur wheel drives two pinions B, C which respectively rotate the recording tape spool G and the carbon ribbon spool C1. The tape (not shown) passes between the spool G and a spool H, both of which spools are readily removable after the manner of the spools of a roll film camera. The carbon ribbon R is guided in the form of an endless band from the spool C1 to a spring-pressed tensioning pulley S, the spool and pulley, together with the driving pinion C being mounted on a ribbon carrier L which is readily removable from the printing box after lifting the lid of the box. A ticket may be inserted between the ribbon and the carrier L by way of a slot W, Fig. 2. To differentiate between gross and tare weighings the ribbon is in two colours and the ribbon carrier is movable laterally by a graduated handle M to bring the appropriate colour under the type. The paper tape passes over the carbon ribbon and as the printed impression is consequently on the rear of the tape, the tape is made of transparent material. A device for exposing the paper tape to view after removal from the printing box is shown in Fig. 3 and consists of spool-holding members J1-J4 similar to those used in the printing box with the addition of finger knobs N2, N3 whereby the tape may be drawn over an enamelled face P for inspection. The device is preferably provided with rubber feet to avoid damage to polished surfaces. Specification 28626/12, [Class 143], is referred to.
Patent GB-308373-A (GB)
Title: Process for producing printing plates for imitating the grain of wood or the like
IPC: B41M3/06
Filed: 1929-03-22
Abstract: 308,373. Masa Ges. zur Herstellung K³nstlicher Oberflõchen, (Assignees of Allgemeine Electricitõts-Ges.). March 22, 1928, [Convention date]. Printing processes.-In a process for the production of printing plates for reproducing wood grain or other natural patterns, the surface of the specimen to be reproduced is treated so that the softer or harder parts become of different heights before photographic reproduction. The specimen may be subjected to a swelling treatment or the softer parts of the wood may be partially removed by chemical, physical, or mechanical means. The surface of the board may be treated with a sand jet or with an etching liquid or solvent, e.g. caustic soda. The treated board may be illuminated by ultra-violet light for reproduction or may be directly printed by means of R÷ntgen rays.
Patent GB-924372-A (GB)
Title: Improvements in or relating to roof support elements for mines
IPC: E21D17/082
Filed: 1960-03-17
Abstract: 924,372. Mine roof supports. W. EGGEMANN, and E. VON CAMPENHAUSEN, [trading as HERMAN SCHWARZ KOMMGES.]. March 17, 1960 [March 18, 1959], No. 9373/60. Class 20 (2). A prop for an advancing mine roof support comprises a head 4 having opposed side arms which are each provided with an S-shaped slot such as 7 terminating in an open mouth 9. A roof support bar 16 having a handle 19 is slidably guided by pins 18 in the slotted arms and is locked in position by a wedge 15 engaging opposed slots therein.
Patent GB-912871-A (GB)
Title: Improvements in or relating to circuit arrangements for alternately operating a plurality of electromagnets
IPC: H01F7/18
Filed: 1961-03-15
Abstract: 912,871. Photographic shutters. LEITZ G.m.b.H., ERNST. March 15, 1961 [March 19, 19601, No. 9484/61. Class 98 (1). [Also in Groups XXXV and XL (b)] A control system for alternately energizing two electromagnets 19, 20 which operate two pivoted blades 52, 53 of a photographic shutter comprises a capacitor 31 charged from a direct-current source 25, which capacitor when a switch 28 is placed in the position shown in Fig. 4, discharges through the electromagnet 20 to open the shutter blades 52, 53 by rotating them through 90 degrees, the shutter being closed by closing switch 29 which causes a second capacitor 30 to discharge through the electromagnet 19, a third capacitor 32 simultaneously causing de-energization of the shutter opening electromagnet 20. The electromagnet 19 is associated with polepieces 57a, 57b whilst the electromagnet 20 is associated with polepieces 58a, 58b. The control circuit may comprise thermionic valves and a photo-cell device to terminate the exposure. For this purpose a beam splitter 61 is arranged in the path of the light transmitted through the shutter so that light is deflected to a photo-cell 89 feeding a thyratron 88 having an adjustable grid shunt capacitor C, the thyratron switching the closing electromagnet 57. The opening electromagnet 58 is energized from capacitors C1 to C3 discharging through resistors R 2 , R 3  when thyratron 83 is fired by manually closing switch 84, while the closing electromagnet 57 is energized from capacitors C4 to C6 discharging through resistors R 5 , R 6 . The circuit constants are chosen so as to maintain a current to magnet 58 in the shutter open position sufficient to prevent fluttering of the blades 52, 53. Thyratron 83 is extinguished when thyratron 88 strikes due to series connection of capacitors C1 and C4 so that short exposures are possible. Reference is made without detailed description to the use of other electronic switches instead of thyratrons and to the provision of more than two shutter blades and electromagnets.
Patent GB-289249-A (GB)
Title: Improvements in or relating to weighing apparatus
IPC: G01G1/00
Filed: 1927-04-07
Abstract: 289,249. Avery, Ltd., W. & T., and Timson, W. April 7, 1927. Addition to 276,076. Pendulum -weight apparatus. - A weighing- apparatus of the kind described andclaimed in the parent Specification is characterized by the constitution of the major portion of the weighing resistant by a plurality of weighted levers which have connection with the respective sets of cam members through the medium of flexible ribbons whereby the levers are moved in correspondence with the vertical movement of the cam members occasioned by the application or removal of a load to or from the weighing-apparatus. The cam members 4, 7, 11, Fig. 1, of each set are, as described in the parent Specification, arranged on the same side or the common axis 16, the cam members 4 and 7 being connected respectively to suspension rollers 5, and to ribbons 8 attached to a yoke 9 and draw rod 10. The other cam members 11 are connected by flexible ribbons 12 to weighing resistants in the form of weighted levers 13 fulcrumed on the frame by flexible strips 14. In a modification Fig. 4, the weighted levers 13 instead of being fulcrumed on flexible strips are formed at the inner ends with plane faces 13<a> arranged to roll upon a drum 24 bolted to the frame. Flexible bands 25 passing under a reduced portion of the drum connect the two plane faces 13<a>, and a peg 2G prevents slipping.
Patent GB-127729-A (GB)
Title: Improvements in and relating to Ear-rings.
Inventor: BISHTON ALFRED HENRY
IPC: A44C7/00
Filed: 1918-06-11
Abstract: 127,729. Bishton, A. H. June 11, 1918. Ear-rings.-In an ear-ring comprising a spring bow to which the ornamental part is attached and adapted to be held on the lobe of the ear by the spring action of the bow, the bow a is coiled at a<3> to afford a more effective gripping action.
Patent GB-116780-A (GB)
Title: Improvements in Electrical Condensers.
IPC: H01G4/08
Filed: 1917-07-03
Abstract: 116,780. Simms, F. R., and Simms Motor Units, Ltd. July 3, 1917. Condensers.-Plates are insulated from each other by means of enamel.
Patent GB-823858-A (GB)
Title: T-hinge
IPC: E05D5/04
Filed: 1956-03-28
Abstract: 823,858. Hinges. CROCKFORD, C. C. April 27, 1956 [March 28, 1956], No. 9629/56. Class 65(2) A T-hinge comprises a fixed leaf 1 and a swinging leaf 2 pivoted about a hinge pin, the pivoted end of the leaf 2 being provided with a tongue 8 and wrapped back on itself to form a hinge pin barrel, the tongue being passed through an aperture 10 in the leaf, bent towards the free end of the leaf and provided with a point 9 for insertion into the object to which the leaf is attached. The fixed leaf 1 comprises a plate with arms 5 bent at their junction with the part 4 to form cylindrical barrels 3 to receive the hinge pin and fixing flanges.
Patent GB-704067-A (GB)
Title: Improvements in or relating to vitamin preparations
Inventor: GREEN JOSEPH
IPC: A61K31/59
Filed: 1950-04-19
Abstract: Free-flowing vitamin A and/or vitamin D preparations which retain their potency over long periods are made by absorbing fish liver oil, a concentrate therefrom, or an oil concentrate of synthetic vitamin A and/or vitamin D on finely-divided sorghum. Preferably the vitamin preparation is absorbed by mixture with sufficient ground sorghum and then additional ground sorghum is mixed in.  Specification 704,064 is referred to.ALSO:Free-flowing vitamin A and/or vitamin D preparations which retain their potency over long periods are made by absorbing fish liver oil, a concentrate therefrom, or an oil concentrate of synthetic vitamin A and/or vitamin D on finely-divided sorghum. Preferably the vitamin preparation is absorbed by mixture with sufficient ground sorghum and then additional ground sorghum is mixed in.  Specification 704,064 is referred to.
Patent GB-298445-A (GB)
Title: Improvements in spring clamping devices for pad holders, filing sheets and the like
IPC: B42F13/00
Filed: 1928-03-31
Abstract: 298,445. Keays, R. J., and Coffey, E. I. March 31, 1928. Clips and clamps, pivoted-jaw.-A clamping- device for sheets or pads of paper comprises a base A. Fig. 3, a main clamping-member C, a spring E for providing the clamping action, and an intermediate clamping-member D between the spring E and the member C which allows the member C to have a wide range of movement for a comparatively small movement of the spring E. The member C extends for practically the width of the base A, as shown in Fig. 1, and has an actuating-device D, E near each end; it is slightly concaved and beaded at 6, Fig. 3, so as to reduce friction on the base A. Slots 7 are provided in the member C to receive projecting tongues 14 on the members D, which have a flange 12 at the other edge adapted to engage a shoulder 16 formed on the base A. One end of each spring E seats in a recess 17 pressed in the corresponding member D, and the other end engages a projection 19 formed on the base A adjacent to the shoulder 16. The upper edge of the base A is reinforced by turning it. back on itself as shown at 5. A strap 9, Fig. 1, for manipulating the device is attached through a slot 8 in the member C. Filing-posts 11 attached to the base A and corresponding perforations 10 in the member C may be provided.
Patent GB-214080-A (GB)
Title: Improvements in or relating to spring suspensions for vehicles
IPC: B60G21/04
Filed: 1923-04-10
Abstract: 214,080. Baines, L. M. April 10, 1923. Springs, arrangement of; equalizing load on wheels and springs; guiding vertical play.- Relates to spring suspensions for vehicles in which each wheel axle is connected to levers pivoted on the chassis, the levers of one axle being connected to those of the other axle by an inextensible linkage comprising a pair of rigid transverse swing-bars pivotally connected to each other. Each lever is non-resiliently connected to its respective wheel axle, and the suspension springs, instead of being arranged between the levers and the axles as heretofore, are arranged between the levers and chassis. The front and rear axles H, J, are connected by ball-and-socket or other universal joints respectively to the forwardly and rearwardly directed arms D<1>, E<1>, and F<1>, G<1> of the levers, the downwardly directed arms D<2> - - G<2> of which are connected to the swing bars A, A' which are adjustably linked together by a tie-rod C. The pivots of the levers are preferably movable in vertical slots L in brackets B<1> on the chassis, movement of the levers being controlled by helical, laminated, or other springs M. The front axle is situated below the axis of rotation of its wheels. The connection between each lever and the adjacent swing-bar may comprise loosely interlinked shackles K as shown, pivotally connected shackles, or tie-rods &c. The horizontal arms of the levers at the front and rear of the vehicle may differ in length; vertical guides may be provided to take side stresses on the levers, and stops may be fitted on the chassis to check excessive movement of the levers.
Patent GB-434611-A (GB)
Title: Improvements in or relating to the control of electric motors
IPC: H02P3/06
Filed: 1934-03-29
Abstract: 434,611. Machinery guards. IGRANIC ELECTRIC CO., Ltd., 147, Queen Victoria Street, London, and LEVETT, J. V., 5, Cressfield Road, Lindley, Huddersfield. March 29, 1934, No. 9846. [Class 80 (iv)] [See also Groups XXXVII and XXXVI] A forward contactor lw for the electric driving motor of a machine, e.g. a centrifugal separator, may be closed to start the motor, by operation of a press-button switch 3, only when the lid 7 of the machine or its driving motor is closed. The circuit of the coil of the forward contactor includes normally closed contacts 5c1 of a relay, the coil 5w of which is in series with a choke 6w, 6r, having an armature 6a carried by the lid. When the driving motor is running an armature 9a is moved from its coil 9r by a metallic flange 11 in a manner described in Specification 422,955, [Group XXXVII]. Thus the current through a coil 12w in series with a coil 9w on the core 9r is increased sufficiently to lock the lid in its closed position. The lid 7 is released when the motor is at rest and the armature 9a returns to a position adjacent its core 9r.