baber/WOPTO huggingface dataset:
Patent GB-925391-A (GB)
Title: Improvements in or relating to cutting tools
Inventor: WHEELER CHARLES JOSEPH
IPC: B23D21/08
Filed: 1962-02-27
Abstract: 925,391. Pipe-cutters. WHEELER MANUFACTURING CORPORATION. Feb. 27, 1962, No. 7652/62. Class 61. In a chain type pipe cutter rotary cutters are mounted on transverse pins which project on either side of the link plates forming the chain and which are engaged by first and second clamps, the clamps being arranged to be drawn to a minimum clamp operating position wherein the pins engaged by the clamps are separated by a distance less than the diameter of the rotary cutters, one of the clamps including oppositely disposed spaced portions which engage opposite ends of a transverse pin and which are spaced apart a distance greater than the lateral width of the links by an amount at least equal to one-half of the lateral width of a rotary cutter, whereby adjacent converging sides of the rotary cutters at the ends of the chain may overlap each other. The tool comprises a chain 16 made up of inside links 27, outside links 28, transverse pins 29, and rotary cutters 30. One end of the chain is permanently attached to a jaw element 17 which is pivoted to an operating arm 19. A second jaw element 18 is pivoted to the first jaw element at 43 and is also pivoted at one end to a pair of arms 61 and 62 which are mounted on either side of a second operating arm 20. 'The other end of the second jaw element 18 comprises a pair of spaced-apart hooks 46 and 47 which engage opposite ends of a selected transverse pin 30, the lateral distance between the hooks is such that when the jaw elements are brought together to apply pressure to a pipe 15, the first and last operative cutters can overlap, since the link engaged by the hooks 46 and 47 can move laterally. The angular position of the arms 61 and 62 relative to the operating arm 20 can be altered by an adjustment screw 71 which passes through a nut 74 attached to the arms 61 and 62. The nut moves in a window 70 formed in the operating arm 20 and axial movement of the screw is prevented by a bush 73. By using the adjustment screw the jaw elements 17 and 18 can be pre-set so that fracture of the pipe occurs when the operating arms are more than 80 degrees apart and the operator is then able to arrest the movement of the handles before the side links of the chain damage the cut ends of the pipe.
Patent GB-178284-A (GB)
Title: A new or improved safety lock
IPC: E05B21/06
Filed: 1921-03-10
Abstract: 178,284. Fraigneux, E. March 10, 1921. Locks, revolving. barrel.-The revolvbarrel c has a recess at the bottom of which is situated a divided plate l each half of which carries an upright arm f having a recess in which a locking-ball b is retained. When the balls are opposite recesses d in the fixed casing, they partly enter. The arms f are locked in this position, preventing the rotation of the barrel c, by a series of alternate tumblers g, each having a notch m, and normally held in the locking position by a spring h. When the appropriate key is inserted in the keyhole in the tumblers g, and partly turned, some of them are moved to the right and others to the left; causing the alignment of the notches m behind the arms f. Further rotation of the key rotates the barrel c, the balls leaving the recesses d and forcing the arms f into the notches m. A spindle e rotates to operate the bolt. When the key is turned back for withdrawal, its ends engage the projections n, o on the plate-halves, ensuring that the arms f restore the balls to their locking position in the recesses d, the springs h restoring the tumblers to their locking position.
Patent GB-848337-A (GB)
Title: Improvements in or relating to the production of hydrocyanic acid
Inventor: BECKER-BOOST ERICH HEINZ
IPC: C01B31/12
Filed: 1957-03-08
Abstract: <PICT:0848337/III/1> Hydrocyanic acid is extracted from gases by an activated carbon which has been pretreated with acid, and is impregnated with phosphoric acid or a phosphate, which prevents polymerization, or decomposition, of the HCN.  The adsorption may be at below 10 DEG C. at atmospheric pressure.  Desorption may be by direct, or indirect, heating, with, or without, a carrier gas, e.g. N2 or air.  Direct heating may be by the carrier gas, and indirect by steam or hot water.  Desorption may be at 10-100 mm. Hg.  The adsorbent may be in a static bed with a coil which is used for cooling during adsorption, and heating during desorption. Alternatively, the adsorbent may be added to the gas current, and subsequently removed by cyclone separator, or the adsorbent may be as a fluidized bed during adsorption and desorption.  Where gas also containing CO2 is treated, desorption with a carrier gas at a low temperature, e.g. 10.1-11.7 DEG C., is effected, before the HCN desorption, to recover CO2.  The desorbed HCN may be recovered by cooling, or washing with water, or an ester.  A gas containing HCN, CO2, and H2O enters absorber 1 at 2 and contacts adsorbent, which by heating device 4, is maintained preferably at 20-30 DEG C. at the gas inlet.  Gases leave at 3.  The adsorbent passes through pipe 5 to desorber 6, where it is subjected to graduated heating by devices 7, 8, 9, while carrier gas enters at 13 and leaves at 14, although it may flow in the opposite direction.  The upper third of the desorber is at 10-15 DEG C. and CO2 is recovered at 10, the middle third is at 60-80 DEG C. and HCN is recovered at 12, and the lower third is at 130 DEG C. and H2O is recovered at 11.  The adsorbent is returned through cyclone 17 by effluent gas branched off at 18.
Patent GB-1165473-A (GB)
Title: Improvements in and relating to Continuous Film Feed Motion Picture Projectors
Inventor: JOHNSON ROBERT FAIRMAN
IPC: G03B9/10
Filed: 1968-02-16
Abstract: 1,165,473. Cine projection apparatus. BELL & HOWELL CO. Feb.16, 1968, No. 7749/68. Heading G2E. In continuous film feed cine projecter, a compensating mirror 28 oscillates about shaft 40 of a galvanometer 52 which is deflected by signals from a photo-electric cell 48 in response to images of control apertures 20 in the film which are reflected through a control aperture 46 by the mirror 28. The image 42 of picture frame 14 is projected through rotating shutter blade 54 having an extension valve 60 which intermittently obscures the control aperture 46 whereby the galvanometer and mirrors are restored to the initial position after each frame is projected. In the absence of control signals, galvanometer 52 has maximum deflection and bears against a stop 64. In an embodiment, the mirror 20 operated by a solenoid energized by the control signals.
Patent GB-459093-A (GB)
Title: Means applicable to internal combustion engines for heating water for extraneous use
IPC: F01N5/00
Filed: 1936-04-29
Abstract: 459,093. Heating water by engine exhaust. FORTESCUE, H. J., 23, Priory Gardens, Wembley, Middlesex. April 29, 1936, No. 7812. [Class 28 (i)] A water heater heated by exhaust gases from an internalcombustion engine comprises inner and outer vessels 1, 2 united at their upper ends and spaced to form a gas chamber into and from which the exhaust gases are led by inlet and outlet pipes 3, 4 arranged at different levels and tangentially to the gas chamber, so that an uninterrupted unidirectional flow of gas around the inner vessel is obtained. A helical baffle 9 may be provided to guide the gases. The upper end of the vessel 1 is open for the insertion of a water containing vessel. The whole of the exhaust gases may pass through the heater, or the heater may be placed in a byepass controlled thermostatically. The heater may be lagged and jacketed in an aluminium sheathing. The vessels 1, 2 may be cast integrally and may be integral with the exhaust manifold.
Patent GB-466625-A (GB)
Title: Improvements relating to the development of photographic images
IPC: G03C5/30
Filed: 1936-03-16
Abstract: 466,625. Photographic developers. STARNES, F. C. March 16, 1936, No. 7852. [Class 98 (ii)] Fine grain development of photographic plates and films is effected by the use of a developing composition containing a compound formed by combining p-phenylene diamine with a derivative of benzene which contains hydroxy groups in para and /or ortho positions to one another, the bath being substantially free from alkali. The compounds of p-phenylene diamine with pyrocatechin, pyrogallol and chlorquinol are suitable and may be prepared by the process described in Specification 466,626, [Group IV]. A suitable developer contains the compound of p-phenylene diamine with pyrocatechin, and sodium sulphite.
Patent GB-307631-A (GB)
Title: Improvements in or relating to toothed change speed gears
IPC: F16H3/38
Filed: 1928-03-15
Abstract: 307,631. Carling, W. T. March 15, 1928. Variable-speed gearing comprises means for facilitating the engagement of revolving toothed wheels. Gear 4, Fig. 2, is to be slid on feathers, &c. on shaft 2 into mesh with gear 3 which is fast on revolving shaft 1. A gear 5 of the same size as gear 4 is loose on shaft 2 and meshes constantly with gear 3. Locking fingers 7 are provided to prevent gear 4 engaging gear 3 until the faster moving gear has become the slower moving. The fingers 7 revolve with gear 4 passing through arcuate slots 4a, Fig. 3, therein. They have friction cone heads 6 which revolve within an annular recess 5<c> in gear 5 and are held therein by cover-plate 5<a>. When, in changing speed, gear 4 is moved towards gear 3, its face engages either of two shoulders 7a, Fig. 5, on finger 7, and the friction cone segment 6 is pressed into engagement so as to speed up gear 4. When gear 4 begins to move the faster, it slips clear of the retaining shoulder 7a and continues its axial movement into full tooth mesh with gear 3. Methods of incorporating the locking fingers in other combinations of the same gear elements are indicated. The invention is applicable upon vehicles and boats.
Patent GB-936798-A (GB)
Title: Improvements in and relating to air or gas blast electric circuit breakers
Inventor: ROXBURGH ALBERT
IPC: H01H33/14
Filed: 1959-03-09
Abstract: 936,798. Gas-blast switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 7, 1960 [March 9, 1959], No. 8103/59. Class 38 (5). In a gas-blast circuitbreaker having at least two sets of serially-connected contacts per phase available for automatic operation, operation of less than the full number of series contact sets may be initiated manually. In Fig. 1, a pressure gas reservoir 40 is provided with two blast valves 41, 42 similar to those described in Specification 936,797 which admit gas to pipes 43, 44 leading to support insulators and series-connected interrupter heads of the "seal-in" type. The operating rods 47, 47a of the valves are coupled to a shaft 49 by arms 48, but the rod 47 is indirectly connected to the valve slide 46 by means of a tube 103 surrounding rod 47 and normally retained relative thereto by latch links 104, 107 and lever 110 (Fig. 2). A normal tripping operation is initiated by energization of a trip coil 78 to release a latch 77 allowing linkage 74, 72, 70, 68, 67, 65 to move as a crank arm 63 is turned anticlockwise by a spring 56 which also turns an arm 53 on the shaft 49 to open the blast valves 41, 42. To initiate opening of the circuit-breaker manually under highly-inductive light load conditions, a coil 135 is energized by means of a push-button (not shown) to operate a valve 126<SP>1</SP>, admitting pressure gas to a pipe 125 so that a piston 116 is moved to the left, rotating lever 110 anticlockwise to unlatch parts 103, 104 and move the tube 103 downward so as to open the blastvalve 41 and thereby its associated interrupter heads. Pressure gas from the pipe 125 also enters a restricted pipe 136 for delayed operation of a piston 138 which closes contacts 141 ... 143 to energize the coil 78 so as to effect operation of valve 42 by rotation of shaft 49 and consequent resetting of the latch 104. Normally -closed contacts 147 . . . 149 and 151, 93, 152 in series with contacts 141 . . . 143 are opened respectively by anticlockwise rotation of the lever 63 and by movement of a piston 93 by pressure gas admitted during a closing operation to a piston 89 acting on a flange 84 of a link 82. In an alternative arrangement (Fig. 3, not shown), the rod 47 is directly coupled to the blast valve 41 and the tube 103 and its control means are omitted, the individual operating blast to the tube 43 being provided through an auxiliary valve, which blast, after a time-delay operates a pneumatic switch to effect energization of the coil 78. In Fig. 4, the blast-valves 1, 2 are operated from linked coaxial shafts 3, 4 and energization of a coil 19a releases the shaft 3 alone for initial operation of the blast valve 1 and thereafter blast valve 2 is operated by shaft 4 when a latch 29 is released by energization of a trip coil 30 through a circuit controlled by the movement of a blast-actuated piston 31. Specification 882,816 also is referred to.
Patent GB-1494523-A (GB)
Title: Extraction and utilization of heat from a nuclear fusion reaction
IPC: C01B13/02
Filed: 1975-02-27
Abstract: 1494523 Hydrogen TEXAS GAS TRANSMISSION CORP 27 Feb 1975 [7 June 1974] 8157/75 Heading C1A [Also in Divisions B1 and G6] Hydrogen is produced by dissociating gaseous HCl at least in part into H 2  and Cl 2  in a first chamber by means of the heat and radiation produced by a nuclear fusion reaction, separating the H 2 , and reacting the Cl 2  in a second chamber with steam at about 800‹ C. to re-form HCl which is returned to the first chamber. Oxygen formed in the second chamber may be separated and removed. Before return to the first chamber, the HCl may pass through a heat exchanger where water is heated. Part of the steam so formed may be used for reaction with the Cl 2 , and the rest used in steam engines or for heating. Specification 1,494,089 is referred to.
Patent GB-232573-A (GB)
Title: Improvements in or relating to ignition apparatus for explosion engines
IPC: H02K21/38
Filed: 1925-03-26
Abstract: 232,573. Cardellino, M. M. April 19, 1924, [Convention date]. Inductor machines.-An ignition magneto comprises a tubular magnet A provided internally at both ends with laminated poles B carrying the fixed armature windings C, and a rotor shaft R provided at each end with laminated radial inductors. The primary windings are arranged in series and are wound oppositely on adjacent poles. The high-tension currents are taken by a brush to a central ring S mounted on an insulating covering on the rotor, and connected with distributing-segments T<1>, T<2> adapted to engage collector brushes connected to the sparking-plugs. The number of sparks for each revolution is determined by the number of radial inductors.
Patent GB-415349-A (GB)
Title: Improvements in and relating to flat bed knitting frames
IPC: D04B11/00
Filed: 1934-03-15
Abstract: 415,349. Knitting machines. LIEBERKNECHT GES., K., Oberlungwitz, Saxony, Germany. March 15, 1934, No. 8211. Convention date, March 16, 1933. [Class 74 (ii).] An auxiliary counting device for controlling the operations of a straight-bar knitting- machine consists of a shaft 14 extending over the entire length of the machine and cams such as 17 situated in the immediate vicinity of the parts to be controlled. Trip levers such as 30 co-operating with the cam discs effect the control without it being necessary to use long links &c. The shaft 14 carries a ratchet 13 operated by a pawl 12. The ratchet is advanced or not by the action of a pattern chain which controls the position of a cam follower 8 on the arm 11, relative to the cam 9. Fig. 4 shows the stitch regulating mechanism. A follower 25 is moved into and out of the track of the operating cam 24 by a bell-crank 31 and trip lever 30. Other controls are similarly devised. The formation of a stocking blank by the use of the invention is described.
Patent GB-526387-A (GB)
Title: Improvements in or relating to the separation of butadiene from hydrocarbon mixtures containing same
IPC: C07C7/05
Filed: 1939-03-14
Abstract: 526,387. Distilling butadiene. DOW CHEMICAL CO. March 14, 1939, No. 8231. Convention date, April 2, 1938. [C]ass 32] [Also in Group IV] Butadiene is separated from mixtures thereof with other hydrocarbons having 4 carbon atoms in the molecule by fractionally distilling the liquefied hydrocarbons in the presence of liquid ammonia, preferably under a pressure of 10-15 atmos. 1255 gs anhydrous liquid ammonia are added to 4077 gs of a liquefied mixture of butylenes and butadiene obtained in cracking oil, and the mixture distilled in a fractionating column provided with condenser and separator. A first fraction was distilled off at 42-45‹C. under a pressure of 21 kg/sq. cm. falling to 18 kg., the liquid ammonia condensed and separated from the distillate being returned to the column. A second fraction was distilled off at 40-45‹C. and the residual butadiene in the column then distilled separately. 85 per cent. of the total quantity of butadiene was recovered in the third distillation.
Patent GB-107581-A (GB)
Title: Improvements in or relating to Radiotelegraphy and Radiotelephony.
Inventor: BETHENOD JOSEPH
IPC: H03B7/10
Filed: 1917-06-08
Abstract: 107,581. Bethenod, J. May 26, 1916, [Convention date]. Electric oscillations, producing.-Electric oscillations for use in wireless telegraphy and telephony are generated by a three-electrode ionized gas tube 1 in which the anode 4 and incandescent cathode 2 are connected by two circuits in parallel, an oscillating circuit comprising an inductance 7 and capacity 8, and a supply circuit containing a battery 5 or a direct or alternating current dynamo. The intermediate electrode 9 is connected to the cathode 2 by a circuit 10 coupled to the supply circuit, either by the inductive coupling 6, 11 or otherwise. The source 5 may be shunted by a condenser and may have a common terminal with the source 3 for heating the cathode. The aerial circuit may be substituted for the oscillating circuit 7, 8. The anodo 4 may be in the form of a plate or a mass of mercury or amalgam, and the intermediate electrode 9 may be of any suitable form. The intermediate electrode 9 and the above-described circuit connexions may be applied to arc oscillation generators. Specifications 72/08, 252/14, and 126,030 are referred to.
Patent GB-1407745-A (GB)
Title: Battery chargers
IPC: H02J7/00
Filed: 1973-02-20
Abstract: 1407745 Charging batteries SONY CORP 20 Feb 1973 [22 Feb 1972] 8239/73 Heading H2H Battery charging apparatus wherein a battery is charged from a pulsating current source by way of a series connected switching device comprises means whereby the switching device is controlled in accordance with the A.C. component of the charging current which component varies from a high value at the commencement of charge to a low value when the battery is fully charged. A battery 2 is charged from an unsmoothed full-wave rectified A.C. supply 1 by means of a switching transistor Q1. A pulse forming circuit 3 produces a pulse each time the output voltage or the supply I drops to a zero point, the amplitude of the pulses increasing as the charging process proceeds. The battery receives charging current in pulses which are determined by the amount by which the amplitude of the rectified half waves of the A.C. supply exceeds the battery terminal voltage, thus the charging current comprises an A.C. component which decreases in amplitude as charging proceeds. A circuit 4 is provided to detect this A.C. component and the output of the circuit 4 and the circuit 3 are applied to a level detetecting circuit 5 which produces an output whenever the level of the A.C. component exceeds the battery terminal voltage. This output is differentiated by a circuit C3, R7 and is applied to a "flip-flop" circuit 6 together with the output of the circuit 3 via a differentiating circuit C4, R9. During charging of the battery 2 the transistors Q8, Q9 operate in an ON-OFF mode to produce a pulse output from the circuit 6 whereby, by way of a control circuit 7, the transistor Q1 is controlled to operate in a mode to supply the battery with pulses of charging current. When the battery is fully charged the output pulses from the circuit 6 are such as to render the transistor Q1 continuously non-conductive to terminate the charging process.
Patent GB-1148277-A (GB)
Title: Plastics pipes and a method of and apparatus for producing same
Inventor: HEGLER WILHELM
IPC: B29C48/11
Filed: 1968-02-20
Abstract: 1,148,277. Extruding composite tubes. W. HEGLER. 20 Feb., 1968 [27 Feb., 1967], No. 8309/68. Heading B5A. [Also in Division F2] A plastics tube comprises an outer wall 41, Fig. 4, formed by extruding a first tube and corrugating it by means of a double-belt moulding machine, and an inner wall 40 formed by extruding a second tube and causing it to adhere to the internal crests of the first tube. As shown, a further wall 42 is also provided produced by an extrusion sheathing process known per se. The plastics material for walls 40-42 may be the same or different, but in any case that for wall 41 is preferably harder than the material of the other walls. If inlet or outlets are required in the tube, e.g. for drainage or irrigation purposes, these may be made by forming bosses (45), Fig. 6 (not shown), in the valley or valleys of a helical corrugation and longitudinally grooving the inner tube to mate with the bosses as at (46). The bosses are removed and apertures formed by revolving a cutter around the tube. Fig. 5 (not reproduced), shows apertures (47) formed in one helix of a double helix. In the apparatus of Fig. 1, outer tube 3 is extruded from die head 5, 6 into co-operating moulds 12 of a double-belt moulding machine at a greater linear speed than that of the moulds. The corrugations are formed by applying vacuum to grooves 13 via ducts 15. The air pressure within tube 3 is maintained at atmospheric by the provision of conduits 16, 17 in die-head 5, 6 and 20, 21 in die-head 8, 9. This latter die-head is situated within moulds 12 when in operative position, and from it is extruded the inner tube, made of the same material as the outer tube, and adhered thereto by passage over mandrel extension 11. This extension is provided with projections if grooves are required in the inner tube and moulds 12 are provided with recesses to form bosses (45) in outer tube 41. The speed of extrusion from die head 8, 9 is less than or equal to the linear speed of moulds 12. Downstream of extension 11, the moulds are cooled to below the solidification temperature of the plastics material. In a second embodiment, Fig. 2 (not shown), the inner tube is of a different material to that of the outer tube, such material passing through a crosshead adaptor (24) associated with die head 5, 6. In a third embodiment, Fig. 3 (not shown), the die head for the outer tube is also situated within moulds 12 when in operative position and is carried on a metal tube 35 provided with heaters or insulation 36, e.g. asbestos.
Patent GB-824609-A (GB)
Title: Golf club head and method of treating same
IPC: A63B53/04
Filed: 1958-03-14
Abstract: 824,609. Impregnating wood. SPALDING & BROS. Ltd., A. G. (Spalding & Bros. Inc., A. G.). March 14, 1958, No. 8321/58. Drawings to Specification. Class 140. [Also in Group XV] Wooden golf club heads are impregnated with polyvinylidene chloride, polyvinyl chloride or other vinyl polymers or copolymers in solution in a mixture of low-boiling and higher-boiling solvents such as acetone, diethyl ketone, methyl ethyl ketone or methyl isobutyl ketone, and toluene or Xylene, and the solvents are evaporated, for example first at room temperature and later at higher temperature, so as to avoid resin exudation. Impregnation may take place at atmospheric pressure with a solution of about 12% solid content, or by first evacuating and then applying the solution under pressure, the solution used having about a 24% solid content. Further to prevent penetration of moisture the face and sole plates, which may be separate, or integral with one another and may be of plastic or fibre, may be secured and sealed with an epoxy resin, and screws, if used, may be coated with such a resin.