baber/WOPTO huggingface dataset:
Patent GB-1313081-A (GB)
Title: Printing apparatus
IPC: G06K1/12
Filed: 1971-06-22
Abstract: 1313081 Printers NATIONAL CASH REGISTER CO 22 June 1971 [30 June 1970] 29165/71 Heading G4H [Also in Division B6] Printing apparatus for printing on a record medium 31 coded data in the form of a series of contiguous areas of equal width in the direction of the series, each area having one of three possible spectral characteristics and no two adjacent areas having the same spectral characterestic, includes two printing stations 33, 35 spaced apart for printing respective characteristics and each having two printing means 42, 44 and 46, 48, there being drive means for moving the medium 31 past the stations in turn stepwise, each step equal to the width of two of the areas. The medium 31 is a strip of paper having regularly-spaced indentations (detected at 34) at which the paper is to be eventually divided into separate price tags. The apparatus provides a series of bars on each tag, each bar being black, green or white (i.e. left unprinted), the first and last bars of the series being green and black respectively (to permit a reading device in a cash register to receive the tag in either direction), and the bars representing data with a white-to-black or black-to-green to green-towhite transition meaning 1 and any of the reverse transitions meaning 0. The print ribbons 54, 56 are green and black respectively. At each stopping position of the paper strip 31, either of the printing means 42, 44 can print a green bar and either of the printing means 46, 48 can print a black bar, under control of pulses G1, G2, B1, B2 respectively. In Fig. 4, a recirculating register 82 fed from a keyboard (and logic to provide redundancy bits) provides the information to be printed to a reversible modulo- 3 counter 92 (preset to 2 in response to detector 34 for each tag) where each 1 bit increments the counter by 1 and each 0 bit decrements it by 1. The count is (a) decoded at 94 and (b) gated at 96, 98 to a register 100 and decoded at 102. The decoder outputs provide G1, G2 from gates 104, 106 and feed a shift register 120 (corresponding to the delay between the two printing stations 33, 35) which provides the signals B1, B2 from gates 124, 126. The pulses R1-R8, P1, P2, PA are produced in turn by a clock 84, repetitively, PA advancing the paper strip 31. The print ribbons 54, 56 are advanced by one bar width for each pulse GA, BA respectively, produced using bi-stables 108, 128 and logic shown, so that ribbon 54 or 56 is advanced after operation of the print hammer of printing means 42 or 46 respectively and is advanced before operation of the print hammer of printing means 44 or 48 respectively. Specification 1,313,082 (referred to) has the same disclosure.
Patent GB-718087-A (GB)
Title: Improvements relating to machines for grinding the ends of coiled springs and other articles
IPC: B24B7/16
Filed: 1952-11-19
Abstract: 718,087. Grinding the ends of coiled springs &c. WHITELAW, A. R. Oct. 19, 1953, [Nov. 19, 1952.] No. 29183/52. Class 60. In a machine for grinding the ends of coiled compression springs and other articles of the kind comprising two spaced-apart grinding wheels with opposed grinding faces between which the articles are passed in succession, while mounted in or on a moving carrier, the grinding, wheels 4, 5 are mounted on shafts 6, 7 which are inclined relatively to one another; each of the opposed faces of the two grinding wheels has its outer portion 10 of a flat convex conical form of small angle, e.g. 2¢ degrees. Thus, at one point 13 the faces are substantially parallel, and from that point they progressively diverge circumferentially to form a comparatively wide tapering space 14. The shafts 6, 7 may be driven by separate motors or may be connected by a universal joint and driven by a single motor. The moving carrier comprises a rotating disc 1 carried at the upper end of a vertical spindle driven by a motor, the disc 1 having pockets 2 to receive the springs 3. Alternatively the springs can be mounted in pockets in a rectilinearly moving carrier such as a moving belt or conveyer, or in pockets in the links of an endless chain guided around a fixed eccentric guide member located between the wheel. The moving carrier may have an oscillating motion in its own plane imparted to it. At the entry end, the springs are supported on a plate 15, their upper ends being guided into the space between the wheels by a deflector plate 16; as each spring reaches the point 13 where the grinding wheel faces are parallel, it is delivered on to a plate 17 and thence into a shoot.
Patent GB-947135-A (GB)
Title: Substituted amides
IPC: C07D295/16
Filed: 1962-07-30
Abstract: The invention comprises compounds of the formula: <FORM:0947135/C2/1> (wherein R1 and R2 are alkyl radicals each containing at most 3 carbon atoms, R3 and R4 are alkyl radicals each containing at most 4 carbon atoms or, together with the nitrogen atom form a saturated 5- or 6- membered heterocyclic ring system, and n is 1,2 or 3) and their preparation by reacting the appropriate acid halide with the appropriate amine or by reacting the appropriate acid with the appropriate di-substituted carbamyl halide.  In these starting materials the group R1 may be replaced by a protecting group e.g. an acyl or benzyl group, in which case after the condensation the protecting group is removed e.g. by hydrolysis or hydrogenolysis and the free hydroxy group then alkylated.  Examples are given. Acylhalides of the formula: <FORM:0947135/C2/2> (wherein R1, is the alkyl group R1 or a blocking group which can be replaced by a hydrogen atom, e.g. an acyl or benzyl group) are prepared from the corresponding acids and thionyl chloride.  The amides of the invention which are stated to be respiratory analeptics may be made up into pharmaceutical compositions e.g. injection solutions, and drops for oral administration, with suitable carriers. Ampoules and drops containing 3,4 - dimethoxy - phenylacetic acid- N - dimethylamide are described.
Patent GB-899532-A (GB)
Title: Improvements in or relating to the manufacture of metal sheet or strip
Inventor: PEARSON WILLIAM KENNETH JAMIES
IPC: B21D1/02
Filed: 1957-09-17
Abstract: 899,532. Rolling. BRITISH ALUMINIUM CO. Ltd. Aug. 29, 1958 [Sept. 17, 1957], No. 29274/57. Class 83 (4). [Also in Group XXXV] In a rolling-mill the thickness of a material 6 is reduced by the bite between co-operating rolls 1. Rollers 9 are positioned on the centreline and at one edge of the material in non-slip frictional contact. The difference between the angular velocities imparted to the rollers 9 is determined by an automatic electric control system (see Group XXXV) controlling a valve 11b to vary the cooling oil supply through a pipe 10b to sprayers 11 mounted adjacent to the mid-point of the roll 1. The variation in the oil flow controls the camber of the upper roll 1 so as to tend to maintain equality between the velocities of the rollers 9. The valve 11b may be alternatively controlled manually by observation of a visual indicator associated with the control system. It is stated that the automatic control may also control strip tension or screw down force. Any oil remaining on the upper roll 1 after the bite is removed by a scraper 11c. In a tandem rolling-mill the signals derived from a pair of rollers 9 may be utilized to modify at least one controlling factor of a pair of preceding or succeeding rolls 1 in the series.
Patent GB-986673-A (GB)
Title: Diode structure
IPC: H01L23/488
Filed: 1961-08-14
Abstract: 986,673. Semi-conductor diodes. TEXAS INSTRUMENTS Inc. Aug. 14, 1961 [Aug. 19, 1960], No. 29315/61. Heading H1K. A semi-conductor wafer with a PN junction between its faces is attached at one face to a first contact, and the opposite face is engaged by a contact in the form of a ribbon which in the region of engagement only presents a surface which is curved in two mutually perpendicular directions. The ribbon may be stamped to form a spherical, ellipsoidal or paraboloidal engaging surface which may be roughened by sand blasting or chemical etching or by rolling on a die provided with closely spaced pyramidal points. In a typical diode, Fig. 1, a wafer 16 with a mesa 18 containing a PN junction on one face, is mounted via a gold or nickel contact layer on a plug 12 of molybdenum or an iron-nickel-cobalt alloy having the same thermal expansion coefficient as the glass sleeve 10 into which it is sealed. The ribbon 30, with the spherically curved surface 32 in pressure contact with a nickel or gold contact on the mesa, is of platinum clad nickel, or platinumtungsten alloy. It is attached to rod 22 of the same material as 12 sealed through a glass bead 20 which completes a hermetic enclosure for the device. The lead 26 of copper coated iron-nickel alloy is welded to rod 22. Alternative shapes for the ribbons are described with reference to Figs. 3, 4 and 5 (not shown).
Patent GB-252034-A (GB)
Title: Improvements in magnetic separators
IPC: B03C1/03
Filed: 1924-12-08
Abstract: 252,034. Hatfield, H. S. Dec. 8, 1924. Magnetic separators. - A magnetic sieve B formed of fine tinned iron wires stretched radially by being soldered to brass rings C<1>, C<2> is attached to the periphery of a disc A of non-magnetic material which is so mounted with relation to the poles of an electromagnet NS that the sieve B passes through the space between the poles. The pulp or mixture of powdered ore and water is fed in the hopper E, and the non-magnetic particles fall through the sieve B and are swept into the outlet G of a tank D filled with water. The magnetic particles are carried round by the sieve B and drop into the tank D and pass therefrom by an outlet H. The amount of outflow through the openings G, H may be controlled, and if the particles of ore &c. are very fine the pole S may be perforated to provide a second outlet for the water carrying the non-magnetic material. In a modification, the sieve B is in the form of a cylindrical cage secured round an iron roller and rotating between the poles of a magnet, the lower pole provided with separate openings for the discharge of the magnetic and non-magnetic material respectively. When used for treating dry material, the tank D is dispensed with.
Patent GB-334732-A (GB)
Title: Improvements in steam locomotives
IPC: B61C1/12
Filed: 1929-09-27
Abstract: 334,732. Henschel & Sohn Akt.-Ges. Nov. 27, 1928, [Convention date]. Power-generating systems.-In a locomotive the steam is expanded in the main engine as usual to a pressure above atmospheric pressure and is then expanded in one or more exhaust turbines to atmospheric pressure after which it is condensed, the auxiliary machines necessary for the condensing system being driven by the exhaust turbine. In the construction shown in Figs. 2 and 3 the boiler steam passes from a superheater B to the main engine D and the exhaust steam passes through a pipe E to an auxiliary engine F, the exhaust steam from which passes at atmospheric pressure to a tank H of the condenser system. Fans L, driven by the engine F, draw air through condensing tubes K in communication with the tank H. Feed water is drawn from the tank by a pump M and forced into the boiler either directly or through a heater Y which is heated by the exhaust from a turbine V driving a blower U. The turbine V may be driven by exhaust steam or may, as shown, take steam direct from the superheater and exhaust it at a pressure of from 3 to 5 atmospheres into the heater Y and finally through a pipe Z into the condenser. In a modification for a locomotive using pulverized fuel the auxiliary engine F also drives a blower for the furnace and a fuel conveyer.
Patent GB-707637-A (GB)
Title: Improvements in magnetic recording or reproducing devices particularly for digital computing machines
Inventor: WILLIAMS FREDERIC CALLAND
IPC: G11B5/29
Filed: 1949-11-16
Abstract: 707,637. Digital electric calculating-apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Nov. 7, 1950 [Nov. 16, 1949], No. 29381/49. Class 106 (1) A multiple magnetic recording and/or reproducing head, e.g. for a magnetic store in a digital electric computor, comprises at least two similar comb-shaped sheets of magnetic material clamped together with the teeth in register, the teeth of at least one sheet being bent first outwardly away from the opposite sheet and then inwardly so that there is only a narrow gap between the free ends of corresponding teeth, and an electric winding in the space between each pair of corresponding teeth and interlinked with at least one of the teeth. Fig. 4 shows one recording and reproducing head element formed by corresponding teeth of ferromagnetic sheets 2, 4, 6, 8 separated by paper sheets 3, 5, 7, and shielded by brass support sheets 1 and 9. The teeth of outer sheets 2, 8 are bent so as to form spaces 19, 18 each of which receives one or more windings of electrical conductors 12, 13 (for recording and reproduction respectively) and is filled in with insulating material such as shellac. Where a single winding 12 is used it may be fed through a step-down transformer. The ends of the teeth are ground flat to provide small gaps 15, 16. The head may be used in a binary digital magnetic drum store of an electric computor, the significance of a recorded digit being determined by the direction of flux change half way through the digit period as described in Specification 707,634. The distance X between the gaps, for a given rotational speed of record drum RC is then made to correspond to half a digit period. The multiple head is held by screws 42, Fig. 5, and a clamping bar 40 in a block 41 mounted adjacent the drum and having locating strips 43, 44 for the leads from conductors 12, 13. The head elements may be associated with adjacent tracks on the drum, or, if a greater teeth spacing is required, two or more multiple heads may be used in staggered relationship.
Patent GB-1312373-A (GB)
Title: Fluid logic circuit elements
IPC: F15C1/14
Filed: 1970-06-17
Abstract: 1312373 Fluid regulation BEKAERT S A N V 17 June 1970 [17 June 1969] 29438/70 Heading G3H In a fluidic diode, the construction of which is such that all flow paths therethrough have substantially the same resistance to flow, fluid supplied to a port 11 is divided between two  channels 12 and 13 and then, within a chamber 8, is reunited and flows in its entirety through passage 14 and a vent port 15. Should the fluid be supplied to port 9 and passage 10, then this flows unimpeded only through passage 12 and port 11. Accordingly, port 11 acts as an inlet/  outlet, port 9 as an inlet only and port 15 as a vent. In modifications, Figs.3 and 4, (not shown), there are depicted arrangements wherein two inlets may be provided and wherein the various passages may be constituted by pipes appropriately located within, and opening into a hollow closed casing.
Patent GB-302021-A (GB)
Title: Improvements in separators
IPC: B03B9/06
Filed: 1927-11-04
Abstract: 302,021. Heenan & Froude, Ltd., and Wareham, R. C. Nov. 4, 1927. Separating on inclined endless bands.-Apparatus for separating cinders from paper, garbage &c. consists of an inclined endless travelling band A with transverse projecting battens a, to which the mixed materials are delivered by a regulated feeding device, the cinders rolling to the lower end of the band into the receptacle K<1> and the other materials being carried upwards and discharged into the receptacle K. The band is carried round rollers B, B<1> mounted in bearings on a frame C which is adjustable about the shaft of the roller B<1>. In one construction the upper end is suspended by a rope or chain D<1> and a counter-weight W. In another construction the upper end is adjusted by screw-and-nut mechanism. Preferably the upper run of the band is supported against sagging by a. jockey roller B<2>. The apparatus may be enclosed in a casing and the materials subjected to an air blast. In a further modification the apparatus may be mounted on a wheeled carriage. The feeding device consists of a reciprocating tray G actuated by the eccentric mechanism G<1>, and delivers the material from a hopper H which may be provided to take the screenings from a sieve II<1> or may be supplied in any other manner such as by a conveyer.
Patent GB-249043-A (GB)
Title: Improvement in radiants for incandescent gas fires
IPC: F24C15/24
Filed: 1925-11-23
Abstract: 249,043. New Method Stove Co. March 26, 1925, [Convention date]. Radiants for gas fires.-A hollow radiant comprises spaced openings 6 in the front wall, over which are internal deflectors which direct the flames away from them and induce a current of air through them. In the construction shown, the front wall is of zig-zag form with an opening 6 in the lower face of each angular portion and with baffles formed bv the imperforate upper faces 7. The combustion products escape through openings 9 in the inclined upper part 8 of the radiant.
Patent GB-428933-A (GB)
Title: Gas battery
IPC: H01M8/20
Filed: 1934-10-24
Abstract: 428,933. Batteries. DOYLE, J. D., and DOYLE, M. K., 30, Sycamore Road, Mount Merrion, Co. Dublin. Oct. 24, 1934, No. 29514/33. [Class 53] A cell comprises electrodes consisting of active material enclosed in boxes 2, 3 to which oxygen and hydrogen are admitted through pipes 9, 10. The boxes may be made of perforated lead, the active materials being lead peroxide and litharge or lead wool which may be in the form of thin plates arranged vertically or horizontally. The boxes themselves may also be made of the active materials. The electrodes are separated by porous material 8 which may consist of wood pulp as described in Specification 428,074. Nickel oxide and iron oxide may be used as the active materials in which case the boxes are made of nickel and iron respectively, the electrolyte being a solution of caustic potash or soda. Air, coal gas, water gas or other gases containing hydrogen and oxygen may be used instead of the pure gases.
Patent GB-1524010-A (GB)
Title: Keyoperated devices
IPC: H01H13/02
Filed: 1977-07-14
Abstract: 1524010 Keyboards SUWA SEIKOSHA KK 14 July 1977 [16 July 1976] 29636/77 Heading B6F [Also in Division G3] A keyboard comprises a plurality of keys 12 retained in apertures 17 of a common support 11 by means of a plate 14 which partially occludes the apertures but gives access to the keys and also carries designations (not shown) of the key functions. The keys are retained in the opposite direction by shoulders 11c of the support. Each key is biased by a respective portion 16a of a resilient member 16. As described the keys control a calculator which is combined with an electronic watch, the support 11 being the watch glass. In an alternative embodiment the retaining plate is fixed to the inner surface of the watch glass and visible therethrough.
Patent GB-1512989-A (GB)
Title: Method and apparatus for in vivo blood gas analysis
IPC: A61B5/145
Filed: 1975-07-15
Abstract: 1512989 Measuring blood gases AIRCO INC 15 July 1975 [1 Aug 1974] 29644/75 Heading ASK [Also in Division G1] A device for the sampling of gases dissolved in blood comprises a catheter 1, a portion (4) of which is a membrane which is gas-but not blood-permeable, a carrier gas source 30 connectable for flow of carrier gas to one face of the membrane 4, means to supply to the membrane portion 4 carrier gas at substantially atmospheric pressure, the device being adapted to allow a volume of carrier gas to contact the membrane portion for a preselected period of time to allow establishment of an equilibrium between the carrier gas and the dissolved blood gases, and means which may comprise syringe 34 or a vacuum pump (35, Fig. 4 not shown) connected to the catheter to remove the equilibrated gases from the catheter. In the embodiment shown, syringe 34 draws the gases into valve 50 when the valve is in position I, then operation of the valve into position II allows flushing of the gases into analyser 49 by means of an auxiliary carrier gas stream from 47. The device of Fig. 4 (not shown) includes a calibration gas supply (61) connected upstream of the valve. Port 86 provides for the taking of blood samples.
Patent GB-426569-A (GB)
Title: Improvements in electric arc-lamps
IPC: E21D15/34
Filed: 1933-10-26
Abstract: 426,569. Arc-lamps. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. Oct. 26, 1933, Nos. 29656 and 35784. Convention dates, Oct. 28, 1932 and March 31, 1933. [Class 39 (i)] [See also Group XXXVIII] In arc-lamps utilizing large currents, an ignition device and an extinguishing device are disposed in a circuit of low intensity for the purpose of switching the light off or on at intervals without utilizing the switch in the main circuit. The auxiliary circuit also controls a mechanism for regulating the lamp. A preferred embodiment is shown in Fig. 3, where the extinguishing device is a disc t‹ attached to a lever, the other end of which carries the igniting electrode c. This lever is attached to a shaft which can be rotated by means of a drum u<2>. Around this drum is wound a string which is attached at one end to a spring v‹ and at the other end to two discs v<2>, v<1> controlled by solenoids w<2>, w<1>. The solenoid w<1> is in series with the arc, while the solenoid w<2> is in an independent control circuit which also contains a relay z<1> whose contacts z<3> are in series with the arc regulating mechanism z'. When the main circuit x is completed a current passes from the negative electrode b to the ignition electrode c, energizes the solenoid w<1> which attracts the disc v<1> and rotates the shaft carrying the ignition electrode c, into the position shown in Fig. 4<a> allowing the arc to pass to the positive electrode a. When it is wished to interrupt the arc, the circuit y is completed, energizing the solenoid w<2> which attracts the disc v<2> and produces a further rotation of the shaft u<1> bringing the disc t‹ in front of the negative electrode b as shown in Fig. 4b, and extinguishing the arc. On breaking the circuit y, both solenoids are de-energized and the lever carrying the disc returns to the position shown in Fig. 4, when the ignition process is repeated. The relay z<1> switches off the arc regulating mechanism when the arc is extinguished. The use of the disc t‹ as an extinguishing device is of particular application to signalling since it also serves to conceal the afterglow of the positive electrode. In a modification, Fig. 2, (not shown), the arc is extinguished by a magnetic blow-out energized by an auxiliary control circuit which also locks the igniting device while the control circuit is closed. In another modification, Fig. 1, (not shown), the arc is blown out by a current of air obtained from a blower consisting of a cylinder and a piston driven through a lever by a magnetic core moving in a solenoid energized by a control circuit, which lever also locks the ignition device while the control circuit is closed.
Patent GB-376591-A (GB)
Title: Improvements in means for heating steam boilers
IPC: F23C1/00
Filed: 1931-10-27
Abstract: 376,591. Indirectly heated steam boilers. AKTIESELSKABET VOLUND, 147, Oresundsvej, Copenhagen. Oct. 27, 1931, No. 29751. Convention date, Nov. 11, 1930. [Class 123 (ii).] A water-tube boiler is adapted to be heated by coal dust or liquid fuel in addition to fuel such as coal, lignite, wood or garbage or waste gases from rotary cement kilns when it is desired to increase the yield at peak loads. The boiler is provided with banks of tubes 2, 21, 211 arranged above a combustion chamber 5. Under normal working conditions low temperature gases enter the combustion chamber 5 through a damper-controlled flue 8<1> and pass over the three banks of tubes, while at peak loads the gases are diverted through the flue 811 to the space 3 between the banks of tubes 2<1>, 2<11>, and auxiliary fuel is supplied to the combustion chamber 5 by burners 6.