baber/WOPTO huggingface dataset:
Patent GB-732344-A (GB)
Title: Improvements in or relating to electric clocks
Inventor: HORGAN WILLIAM FRANCIS
IPC: G04C15/00
Filed: 1950-10-05
Abstract: 732,344. Electric clocks. VENNER TIME SWITCHES, Ltd. Sept. 28, 1951 [Oct. 5, 1950; Dec. 7, 1950], Nos. 24380/50 and 30035/50. Class 139. A synchronous motor clock with auxiliary spring driving means wound by the synchronous motor is characterized in that the spring driven clockwork mechanism is held inoperative so long as the supply of current to the motor is maintained by electromagnetic means connected to the supply through rectifying means and adapted, when energized, to arrest an element of the escapement. The synchronous motor 1, Fig. 5, drives through gearing a ratchet wheel 3 loose on a hollow arbor 4 rotatable on a spindle 5, Fig. 6, and connected through gearing 6 to an output spindle 7. A second ratchet wheel 11 loose on the spindle 5 is connected to a spring barrel 13 through a gear train 12 controlled by an escapement comprising a balance 14 and a lever 15. Between the ratchet wheels 3 and 11 and fixed to the arbor 4 is a disc 8 which carries pawls 9, 10, Fig. 6, which are spring-pressed into engagement with the ratchets 3 and 11 respectively. The arbor 4 can therefore be rotated in the same direction by either the synchronous motor 1 or the mainspring. A cam 19, Fig. 5, rotated by the synchronous motor 1 rocks a lever 21 against the pressure of a spring 22. The oscillations of the lever 21 are transmitted by a pawl 24 to a ratchet wheel 25 on the spring winding arbor 26. A fixed pawl 27 .prevents reverse movement of the ratchet wheel 25. Connected in series with the synchronous motor 1, Fig. 4, is a metal oxide rectifier 28 supplying an electromagnet 29 having pole-pieces 30, Fig. 5, which embraces the balance 14 and a soft iron Z-shaped armature 31 carried thereby. The arrangement is such that when the current supply is on the magnetic lock between the pole pieces 30 and the armature 31 arrests the balance 14 in such a position that the hair-spring is stressed ready to start the balance should the supply fail. In. a modification the armature 31, Fig. 9, not shown, is approximately I-shaped. A cam 35 rotated say once in 12¢ hours has a V-notch 36 in which conducting strip 37 is located. A pair of spring-pressed contacts 34 ride the surface of the cam and periodically touch the strip 37 to short circuit the rectifier 28, Fig. 4, and so free the balance for say 10 minutes.
Patent GB-702703-A (GB)
Title: Improvements in or relating to the bleaching of oils and fats
IPC: C11B3/10
Filed: 1951-10-18
Abstract: <PICT:0702703/III/1> <PICT:0702703/III/2> Oils and fats are continuously bleached by continuously adding a bleaching paste to the oil or fat, intimately mixing the mixture in an apparatus, evacuated and heated or not, to bleach the oil or fat, and then conducting the mixture to one of two or more filtering devices, and after this is sufficiently used to another filtering device during which the first filtering device is cleaned.  In a suitable plant, the oil to be treated is supplied from a container 1 through a measuring device 3 and a duct 8 to a mixing pump 4.  The bleaching paste is prepared in a mixing apparatus 5, preferably in duplicate, and is supplied through a measuring device 7 to the duct 8 leading to the mixing pump 4. The paste and oil to be bleached mixed by the pump 4 is fed through a duct 15 to the bleaching apparatus 16.  Here the mixture is stirred by a stirrer 17, Fig. 3, for a longer or shorter time as required.  The bleached oil is then conducted through a duct 28 to a pump 29 which impels the mixture through a duct 30 to one of two filter presses 31, 32 operating alternately.  Using the press 31 firstly, after it is filled with filtered material the pressure in the duct increases correspondingly and operates a control means 33 whereby the press 31 is automatically disconnected from the duct 30 and may be cleaned while the press 32 is automatically connected to the duct 30.  Muddy oil is collected in 34 and subsequent cleaner oil in 35.  In the preferred form of bleaching apparatus 16 a partition wall 18 with distributing screens 21 is provided together with an oil inlet 19 and exhaust connecting tube 20.  Below the wall 18 further partition walls 22 are arranged, each preferably of conical shape with apices downwards. Above these walls stirring blades 23 surrounded by guide tubes 24 are provided.  A heating device 25 fed with steam may also be provided, together with a number of outlet tubes 27.  In another form of the bleaching apparatus the partition walls 22 and extra stirring blades 23 are dispensed with; in another form these are provided and the heating device 25 and vacuum dispensed with.  The bleaching paste is formed in the mixing apparatus 5 by mixing the bleaching earth with oil, and after one is exhausted the supply is continued by the other.  This may be determined by indicating means provided in the mixing apparatus comprising preferably a float and means for indicating outside the apparatus the position of the float therein.  The process may be applied to bleaching mineral oils, fatty oils and fats.
Patent GB-1102565-A (GB)
Title: A printing press having a drive arrangement
Inventor: GUTHRIE JAMES STANLEY
IPC: B41F3/58
Filed: 1964-06-12
Abstract: 1,102,565. Variable speed ratchet gearing; linkwork. WAITE & SAVILLE Ltd. 12 May, 1965 [12 June, 1964], No. 24389/64. Headings F2D and F2K. [Also in Division B6] In the drive train to the damping or inking fountain rollers and pile lowering mechanism of a printing press, the angle through which a crank 15 is oscillated per revolution of a steadily rotated input shaft 1 is steplessly variable from zero to a maximum. The crank 15 is connected to an output shaft 2 by a one-way clutch 16, or, in a modification, is secured directly thereto. A crankpin 14 of crank 15 engages the slotted end 7 of a lever 6 rocked about a fulcrum 8 by a crank or eccentric 4 on the shaft 1 acting through a connecting rod 5. The fulcrum 8, on an arm 9 movable about a fixed pivot 10 by a hand lever 12, is adjustable between a position coaxial with the crankpin 14 and a position of maximum spacing therefrom, the fulcrum 8 being at a fixed distance from the point at which the rod 5 is pivoted to the lever 6. A hand wheel (13) (Fig. 2, not shown) allows adjustment of shaft 2 independently of the drive linkage.
Patent GB-1200138-A (GB)
Title: Treatment of laminated magnetostrictive elements
Inventor: MASON JOHN JEFFERSON
IPC: H01F1/147
Filed: 1968-05-22
Abstract: 1,200,138. Oxidative heat-treatment. INTERNATIONAL NICKEL Ltd. Feb. 27, 1969 [May 22, 1968], No.24475/68. Headings C7A and C7U. Laminations, suitable for use in cores of magnetostrictive transducers, are at least 0À005 inch thick, have a composition on or within the boundary defined by the line ABCDA in the figure and are annealed, when substantially free of oxygen, in air at 700-800 C. until a weight gain of 0À2-0À3 mg/cm<2> of oxide film is achieved.
Patent GB-1521619-A (GB)
Title: Chair having a control device for controlling tilting
IPC: A47C1/024
Filed: 1976-06-14
Abstract: 1521619 Chair with adjustable tilted seat BLISS & LAUGHLIN INDUSTRIES Inc 14 June 1976 [18 June 1975] 24552/76 Heading A4U Tilting of one part of a chair relative to another is effected by a control having respective brackets connectable to the seat and the base the latter bracket being entirely within the former bracket and having a pair of elongated flat spring bars urging the seat connector bracket to the no-tilt condition. The non-tilting action of the spring is increased or decreased by a manually operable spring adjustment screw or lever driving a cam follower.
Patent GB-1191063-A (GB)
Title: Tool Holder and Removable Cutting Insert
Inventor: CHANDLER NORMAN
IPC: B23B27/16
Filed: 1968-05-23
Abstract: 1,191,063. Cutting tools. ROLLS-ROYCE Ltd. 23 May, 1968, No. 24553/68. Heading B3T. A cutting tool comprises a holder 4 and an insert 2 securable by a clamp 6, the insert having top and bottom surfaces 2a and 2b respectively, and at least four sides, at least one cutting corner formed at the junction between two of the sides and a ridge 18 extending above the top surface of the insert which is formed with a planar clamp engaging face which lies at an acute angle to at least one of the sides. In the embodiment described the ridge 18 extends parallel to two opposite sides of the insert and a slot 20 is provided in the ridge at an acute angle to the length of the ridge. Alternatively, the ridge may extend across the top surface of the insert at an angle to the sides and part of one side of the ridge constitute the clamp engaging face. The clamp 6 has opposite end portions, one end engaging the planar face on the insert, the other end 36 engaging an abutment face 32 on the holder.
Patent GB-712917-A (GB)
Title: Structural element for prefabricating vehicle bodies
IPC: B60R13/04
Filed: 1951-10-22
Abstract: 712,917. Body details. HENSCHEL & SOHN GES. Oct. 22, 1951 [Oct. 21, 1950; Oct. 21, 1950; Oct. 21, 1950] No. 24587/51. Class 108(1) A vehicle body comprises a number of prefabricated sections 8 having bent over edges 3 secured together with or without an interposed frame member. The edges of the sections may be bolted between the webs 21 of a frame member 20, Fig. 10,. The interior lining is accommodated in the split flanges 22. The sections 8 are formed by holding a sheet at its side edges and then subjecting it to deformation by means of a suitably contoured ram on its underside.
Patent GB-918995-A (GB)
Title: Improvements in series transistor type regulated power supplies
IPC: H02M1/15
Filed: 1960-07-15
Abstract: 918,995. Automatic voltage and current control. STANDARD TELEPHONES & CABLES Ltd. July 15, 1960 [July 22, 1959], No. 24683/60. Class 38 (4). A transformer T, rectifier MR, and capacitor FC provides an output voltage having a ripple component, transistor Tr3 being connected in series with a load circuit 1, 2 to afford voltage or current regulation, a control current dependent upon any departure of the output voltage or current from a desired value being applied to the base of the transistor. Bias for the base of the transistor is provided by the series connection of resistor R6 and Zener diode Zn3 which is operated in its breakdown region and has a constant voltage thereacross when the voltage exceeds the breakdown value. A capacitor C3 is connected across the diode and is charged to the breakdown voltage during periods of maximum value of the ripple component, and during periods of minimum value discharges through resistor R5 and diode Zn3. This affords a stable bias supply for the transistor (negative with regard to the emitter with a PNP type transistor) under all working conditions. A voltage-sensitive bridge circuit may have one diagonal connected across terminals 1, 2, one arm of the bridge comprising two Zener diodes in series. A first transistor has its input electrodes connected across the other diagonal and its output circuit in parallel with the two diodes. A second transistor is directly coupled to the output of the first and has its output in parallel with one only of the diodes, the output of the second transistor supplying the control current for the transistor Tr3, Fig. 3 (not shown). Specification 878,289 is referred to.
Patent GB-211809-A (GB)
Title: Improvements in honey extractors
IPC: A01K59/04
Filed: 1923-10-04
Abstract: 211,809. Hempsall, W. Herrod-. Oct. 4, 1923. Honey-extractors. - A centrifugal honey extractor has a rotary member which carries the combs in positions such that the mid ribs extend in radial vertical planes. The rotary member on the shaft 2 is constructed to receive the shallow frames 6 carrying the honey-combs, and the frames are held by metal rings 7 which are made in sections, the upper ring being carried on radial arms 8 while the lower ring is secured to lug 9 projecting upwardly from the radial arms 10. The lower bars of the frames 6 rest upon a wire ring 12 and also in recesses in a ring 14; both rings 12, 14 are fixed to the arms 10. Lugs 17 on the rings 7, or pieces of bent wire, assist in keeping the frames 6 in their proper radial position.
Patent GB-500936-A (GB)
Title: Improvements in or relating to methods of and devices for regulating the feed to machines for opening or cleaning cotton and like fibrous material
IPC: D01G23/06
Filed: 1938-08-23
Abstract: 500,936. Regulating the feed to machines for opening or cleaning cotton &c. AKT.-GES. J. J. RIETER & CIE. Aug. 23, 1938, No. 24834. Convention date, Sept. 18, 1937. [Class 120 (i)] In a method of regulating the feed of cotton and like fibrous material to opening or cleaning machines wherein the speed ratio of the drive of the feeding device is automatically adjusted in accordance with the thickness of the lap fed to the machine, the variation of this speed ratio is effected as required through the intermediary of a control device by means of a liquid or gaseous medium. The material is fed on a lattice 1 between a feed roller 2 and pedal levers 3 to a beater 4, the feed roller 2 being rotated through worm gearing 5, 6 from a shaft 7 to which is secured the upper belt cone 8. The shifter rod 12 for the belt fork 11 is provided with a wedge shaped guide track 13, and an arm 14 thereon is connected with a piston rod 15 common to two pistons 16, 17. The cylinder 19 is of greater diameter than the cylinder 18. A roller 20 which rides on the track 13 is mounted on a two-armed lever 21 pivoted at 22 to a lever 23 suspended freely from a connection 24 to the feed levers 3. The arm 23 is connected by a control rod 25 with a valve control-lever 26 which projects into recesses 35, 36 in the valve stems 29, 30 of two valves 31, 32. A conduit 37 is constantly under pressure of a gaseous or liquid operating-medium, and to the conduit 37 branches 38 .. 41 are connected as shown through the cylinders 18, 19 and the valve casings 27, 28. A passage 42 leads from the valve chamber 28 to the atmosphere. In operation, if the thickness of the lap diminishes, the left-hand end of the arm 23 is lowered about the joint 22 which at first remains in its original position. The rod 25 is lowered and the right-hand end of lever 26 raised thus lifting the valve 31. The pressure then spreads past the valve 31 to the conduit 40 and thus to the cylinder 19 displacing the piston 17 and moving the belt 9 to the right thereby increasing the speed of the shaft 7, and of the feed roller 2 to compensate for the diminished thickness of the lap. During the displacement of the rod 12, roller 20 descends on the track 13 rocks the lever 21 about the feed levers 3 and raises the pivot 22 thus lifting the rod 25 and rocking the control lever 26 allowing the valve 29, 31 to close and shut off the pressure. If, conversely, the feed increases, the left arm of the control lever 26 is lifted and the valve 32 opened allowing the operating medium in parts 19; 28, 40, 41 to discharge through the passage 42 to the atmosphere. The pressure surge thus produced in the cylinder 18 then moves the belt shifter 11 to the left to reduce the speed of feed. The parts are re-set by the action of the lever 21, the roller 20 being raised by the wedge 13.
Patent GB-464250-A (GB)
Title: Improvements in plug and socket couplings for electric conductors
IPC: H01R13/453
Filed: 1936-09-11
Abstract: 464,250. Two-part couplings. SIEMENS-SCHUCKERTWERKE AKT.-GES. Sept. 11, 1936, No. 24836. Convention date, Oct. 8, 1935. Addition to 340,363. [Class 38 (i)] A rotatable disc or shutter that is moved by the act of withdrawing the plug pins into a position to cover the sockets as employed in the parent Specification, is attached to the body 5 of the socket member 1 by a central boss 11 grooved to receive two or more studs 14 on the disc constituting a bayonet type connection. In use the movement of the disc is limited by stops to prevent accidental detachment. Spring-pressed plungers 17 entering holes 10 lock the disc in its closing position and are depressed by the plug pins 8 the disc being then turned by the act of bringing projections 18, 21 into register with corresponding formations 22 to enable complete insertion. Instead of an integral boss 11 a plate attached to the body 5 by screws may form the attachment means for the disc, and may have a non-circular central hole to allow a correspondingly-shaped central plug pin or projecting socket to be inserted in one position only.
Patent GB-1318471-A (GB)
Title: Transparent panel provided with an antenna conductor
IPC: H01Q1/12
Filed: 1971-04-19
Abstract: 1318471 Windscreens SAINT-GOBAIN 19 April 1971 [20 March 1970] 24875/71 Heading B7J [Also in Division H4] A panel, such as a vehicle window, comprises two transparent sheets laminated together and provided with at least oneaerialconductortherebetween. A connection point for said aerial, and for a receiver lead-in cable, is inwardly displaced at least 6 cms. from the edge of the panel. In an embodiment, an aerial conductor 3, Fig. 2, is arranged in a plastics layer between two glass sheets 10, 11. A pin 5, located 6 cms. or more from the edge of the composite panel, has a base 6 which is in contact with the aerial conductor 3, and which is clamped in position by means of a smaller diameter hole 12 in the glass sheet 10. The glass around the hole 12 is preferably pre-stressed.
Patent GB-823599-A (GB)
Title: Improved electrolytic cells
Inventor: CARTER CHARLES
IPC: C25B11/12
Filed: 1956-08-15
Abstract: Anodes for electrolytic cells (see Group XXXVI) comprise a mixture of a thermoplastic material and not less than 40% by weight of graphite. The mixture is pressed into plates or blocks. Several examples are described.  Graphite powder may be mixed with a solution of cellulose nitrate in amyl acetate or with a solution of chlorinated rubber in trichloroethylene, or the chlorinated rubber may be first mixed with cellulose nitrate in amyl acetate.  Alternatively, graphite powder may be mixed with polymethyl methacrylate in a suitable solvent, or compressed with the polymer at an elevated temperature, or monomeric methyl methacrylate may be mixed with graphite powder and the mixture polymerized.ALSO:Anodes for electrolytic cells (see Group XXXVI) may be made by polymerizing a mixture of graphite powder and monomeric methyl methacrylate in such proportions as to produce an anode comprising not less than 40% by weight graphite.  Alternatively, a mixture of polymethyl methacrylate may be compressed with graphite powder at an elevated temperature, or graphite powder may be mixed with polymethyl methacrylate in a suitable solvent, the mixture being then pressed into blocks or plates.
Patent GB-223392-A (GB)
Title: Improvements in baths
IPC: A47K3/00
Filed: 1923-10-08
Abstract: 223,392. Edwards, E. M. Oct. 8, 1923. Baths.-In baths provided with a hinged panel or side adapted to give access to the interior, the panel C is made with a flange C<1> to take elastic packing to make the joint water-tight. The clamping means may consist of a pair of links E pivoted to lugs on the bath and carrying an eccentric lever F which is swung over lugs on the panel. A panel may be fitted in each side of the bath.
Patent GB-698591-A (GB)
Title: Improvements in or relating to high frequency switching devices
IPC: H01J17/04
Filed: 1951-10-25
Abstract: 698,591. Wave-guide switches. WESTING- HOUSE ELECTRIC INTERNATIONAL CO. Oct. 25,1951 [Nov. 3,1950; Feb. 27,1951], No. 24975/51. Class 40 (viii). An automatic wave-guide switch comprises a wall 17 having a resonant iris formed therein having a capacitative part, and a tube 23 closes this part of the iris, and contains an ionizable gas, which may be ionized when the voltage across the capacitative part is sufficient, and close the iris to electromagnetic waves. As shown, the iris consists of two circular openings 21 which have an inductive effect, joined by a slot which has a capacitative effect. A transmitter 10 is connected to an aerial 12 by a waveguide 11, and a receiver 14 is connected to guide 11 by a branch guide 13 containing an ordinary T.R. switch 15 and a resonator 16 having slits in opposite walls provided with tubes 23 as described. The tubes may be cemented in the slits and contain a filling of one of the rare gases. They may, in addition, be packed with quartz fibres. An anti-T.R. switch 18 of similar construction is connected in the transmitter connection.
Patent GB-726901-A (GB)
Title: Method for producing indirectly heated cathodes
IPC: H01J1/20
Filed: 1951-10-26
Abstract: 726,901. Cathode materials and processing. LOEWE OPTA AKT.-GES. Oct. 26, 1951 [Oct. 28, 1950], No. 25074/51. Class 39 (1) The metal and electron-emitting coatings on the heater insulation of an indirectly-heated cathode are deposited by electrolysis. The coiled heater, covered with a sintered insulating material, is then coated electrolytically with nickel oxide or nickel from a suspension which contains specified proportions of nickel or nickel oxide, a solution of nitrocellulose in amyl acetate, isopropyl alcohol and butyl acetate. Additional materials are the carbonates, hydroxides or nitrates, e.g. the nitrate of nickel, magnesium or aluminium in methanol. The alkaline earth carbonate is suspended in collodion. The coating of nickel oxide is reduced to nickel by heating to 1,000‹ C.
Patent GB-674254-A (GB)
Title: Electric carrier wave signalling systems and apparatus
Inventor: TATE CLIFFORD EDWARD
IPC: H03F3/48
Filed: 1949-09-29
Abstract: 674,254. Distributing music &c. COMMUNICATIONS PATENTS, Ltd. Sept. 29, 1950 [Sept. 29, 1949], No. 25080/49. Class 40 (iv). [Also in Group XL (c)] In a radio or line signalling system of the kind in which the signal modulates a sub-carrier wave which in turn modulates a carrier wave, a reflex valve circuit is employed at the receiver for amplifying the different frequency components represented respectively by the carrier and subcarrier. The receiver circuit shown comprises an aerial 15 coupled to a circuit 12, which is tuned to the carrier frequency and connected to the control grid of a double-diode-pentode valve 10. The anode circuit includes a circuit 16 tuned to the carrier frequency and coupled to one of the diodes to yield the sub-carrier wave in the coupled tuned circuits 13. The secondary circuit 13 is also in the grid circuit of the valve 10 and an amplified sub-carrier is produced in the anode circuit 17, the secondary of which is connected to the other diode to yield the signal in the circuit 14. This circuit is also coupled into the grid circuit and gives an amplified signal at 11. More than one sub-carrier may be used, the receiver then requiring additional tuned circuits and a further rectifier. When the system is used for line broadcasting, the receiving valve 10 may be arranged to amplify and rectify only the carrier and sub-carrier, the audio signal being amplified in a separate valve, Fig. 3 (not shown). Switching means may be provided to enable selection of different programmes.
Patent GB-295849-A (GB)
Title: Improvements in or relating to wireless apparatus
IPC: H03J5/32
Filed: 1927-09-23
Abstract: 295,849. Bunting, R. S., Taylor, E. A., and British Radio Corporation, Ltd. Sept. 23, 1927. Condensers. - Groups of condensers S4<1> - - SCI, SA' - - SC<2>, arranged to be switched in and out of a wireless receiving-circuit, are arranged in pairs on opposite sides of insulating-disks, each pair being mounted to rock between side frames M. Each frame M carries three such pairs, and one condenser of each pair is switched into circuit by longitudinal movement of a rod N, which carries one or other of contacts S<1>, S<2> on the central discs into engagement with fixed contacts SF. The rods N are operated by tumbler switches having a central neutral position. Each condenser has its external plate slightly adjustable so as to allow the normal fixed capacity to be varied.