baber/WOPTO huggingface dataset:
Patent GB-1341821-A (GB)
Title: Method of gutting and beheading spindle-shaped fish and apparatus for carrying out the method
IPC: A22C25/14
Filed: 1972-05-30
Abstract: 1341821 Beheading and gutting fish MORSKI INSTYTUT RYBACKI 30 May 1972 [27 May 1971] 25162/72 Addition to 1341588 Heading A2U Apparatus in which, as in Specification, a fish to be beheaded is passed through successive troughs comprising hinged flaps 1, 4 and a rotary beheading cutter 7 is adjusted axially in response to contactless measurement by a device 5 which detects the position of the tail of the fish through slots 20 in the flaps 4, is provided additionally with a rotary gutting device 8, 10 of which the length of cut is also determined by the measuring device. The gutting device comprises a disc knife 8 flanked by frusto-conical members 10 with sharp-edged spiral or straight ribs and carried by a rotary shaft 9 supported by an arm 11 articulated to a lever 12 with a fixed pivot at its lower end and connected at its upper end through a member 13 with an abutment on the axially movable shaft of the beheading knife 7. The arm 11 is biased by a spring 16. Movement of a pivoted arm 14 to thrust the fish through the flaps 4 causes a member 17 engaging the shaft 9 to swing the gutting assembly in an arcuate path about the connection of the arm 11 with the lever 12.
Patent GB-849512-A (GB)
Title: Process for preparing uranium tetrafluoride
IPC: C01G43/06
Filed: 1958-08-06
Abstract: Uranium tetrafluoride is produced by reducing a solution of a salt of hexavalent uranium electrolytically, and extracting the reduced solution with a solution in an organic solvent of an organic phosphate, amine or chelating agent, and thereafter treating the organic extract with hydrogen fluoride, hydrofluoric acid, ammonium bifluoride or other soluble fluoride to precipitate uranium tetrafluoride.  The preferred organic solvent is kerosene and examples of the organic phosphate, amine, and chelating agent are respectively di-2-ethylhexyl hydrogen phosphate, isooctylamine, and thenoyl trifluoro acetone.  The initial hexavalent uranium salt solution may be prepared by leaching uranium ore or raw material with sulphuric acid, and if the initial ore contains a considerable amount of gangue, the sulphuric acid solution so obtained may be treated with an organic solvent which takes up the uranium values, and the uranium values may thereafter be stripped from the organic extract with an aqueous solution of sodium carbonate to obtain an aqueous sodium uranyl carbonate solution.  This is then acidified with sulphuric or hydrochloric acid to expel the carbon dioxide and employed as the hexavalent uranium salt starting solution.  According to an example a uranium ore concentrate was dissolved in 1.5 N sulphuric acid and the solution passed to an electrolytic reduction cell having lead anodes and cathodes separated by an unglazed diaphragm.  The solution was reduced at 70 DEG C. and a current density of 8 amperes per square decimetre and the reduced solution was extracted by a solution of di-2ethylhexyl hydrogen phosphate in kerosene.  The organic phase was thereafter treated with hydrogen fluoride, hydrofluoric acid or an aqueous solution of ammonium difluoride and the precipitated uranium tetrafluoride was filtered, washed, dried and dehydrated by heating to 350 DEG C.
Patent GB-1286004-A (GB)
Title: State-of-charge indicators for electric storage batteries
Inventor: MORETON PETER LEWIS
IPC: G01R31/36
Filed: 1969-11-07
Abstract: 1286004 Monitoring state of charge of a battery CROMPTON LEYLAND ELECTRICARS Ltd and P L MORETON 19 April 1971 [7 Nov 1969 26 May 1970] 54602/69 and 25230/70 Index G1U [Also in Division G1 and H2] In apparatus for indicating the state of charge of an electric battery, flux derived from the battery current operates an oscillatory circuit supplying pulses to a counter. In the embodiment of Fig. 1 (not shown) the flux closes the contacts R 1  of a reed relay so that current flows through the relay coil and a capacitor C is charged until the relay coil flux overrides the battery current flux and contacts R 1  open. Counter IC is incremented for each energization of the relay. In the embodiment of Fig. 2 in which when the battery is charging or discharging reed contacts r a  or r s  are respectively closed, pulses from oscillatory circuits R s , C s  or R a , C a  are accumulated additively or subtractedly in counter IC under the control of relay A, Zener-diodes Z1, Z2 in series with resistors r 1  r 2  respectively allow the impulse per second/load current characteristic to match the ampere hour capacity/discharge current characteristic. When the counter reaches a count of 3500 the flat rate charger CH is switched off. Magnets P provide the bias needed to set the operating flux range of the contacts r s  and r a . Instead of a flat rate charger, a taper charger may be used in which case the rate of impulse generation must be related to the charging current.
Patent GB-1003807-A (GB)
Title: Means for coupling a noise suppressor to any of a plurality of engine exhaust stream noise sources
IPC: F02K1/34
Filed: 1962-07-02
Abstract: 1,003,807. Exhaust silencers. INDUSTRIAL ACOUSTICS CO. Inc. July 2, 1962 [Feb. 23, 1962], No. 25317/62. Heading F1B. A silencer for a jet engine exhaust comprises a perforated suppressor tube 10 at the inlet of which a baffle 31 is mounted on a plurality of supports 35 by pivot connections 37 which are situated within and protected by the baffle 31. The arms 35 are pivotally mounted in brackets 38 and serve to convey cooling liquid from a supply manifold 40 to the interior of the baffle 31 from which it is sprayed into the exhaust stream. Pipes 61, 62, also convey coolant from the supports 35 to spray rings 66, 67. The tube 10 is supported in a semi-cylindrical casing 11 which is continued vertically upwards by a casing 12. The pivotal connections 37 permit the supports to withstand deformation at high temperatures. In a modification, coolant is supplied to the baffle 31 and rings 66, 67, through the tube 34, the outer ends of the supports 35 being closed by caps.
Patent GB-507991-A (GB)
Title: Improvements in rate of change of pressure indicators such as rate of climb indicators for aircraft
IPC: G01P3/62
Filed: 1937-09-17
Abstract: 507,991. Pressure gauges. BENDIX AVIATION CORPORATION. Sept: 17, 1937, No. 25329. Convention date, Sept. 17, 1936. [Class 106 (ii)] In an instrument such as a rate of climb indicator for aircraft for measuring rate of change of pressure, a plurality of diffuser elements are employed and temperature responsive means for rendering certain diffuser elements ineffective. A capsule 14 carried by a flexible arm 15 secured to a frame member 10 is in communication with the outside air via pipe 24 coupling 25 and pipe 26. The movements of the capsule are transmitted by a link 30 to a lever 37 working about the axis 34 and hence through pin, toothed sector and gears to the pointer spindle. The casing containing the above mechanism is air-tight and is provided with two diffuser elements 69, 70 in series. These are tubes made of thin porcelain or other material such as carbon, paper, thin metal &c. The tube 69 is closed at one end by a cap 71 and at the other end is secured in a fitting 72 screwed into a plug 73 screwed in turn into the casing 67. The fitting 83 for the second diffuser 70 is screwed into the other end of casing 67. In between the diffusers is located a valve 88 pressed upwards away from its seating by a spring 91. The valve spindle 90 is extended and is engaged by a temperature responsive element 96 secured to an arm 94. The whole mechanism is included in an air-tight casing to the rear wall of which the device of Fig. 2 is secured, the passage 76 communicating with the atmosphere. If the instrument is ascending or descending a pressure difference is set up between the air inside and outside the capsule and the indicating pointer is moved in one direction or the other an amount corresponding to the rate of climb or descent. Temperature compensation is effected by the diffusers. The element 96 is set so that at room temperature the valve 87 will be raised from its seat by spring 91 and most of the gases passing through the diffuser will pass the valve 87 and element 69 and byepass element 70. As the temperature lowers, the element 96 forces the valve stem 90 downwards and an increasing part of the gases will be forced to pass through element 70. Cold temperature which is accompanied by an increased rate of diffusion is thus compensated by increasing the diffusion that must take place. The zero of the instrument may be adjusted from outside the casing by turning the screw 19 which deflects the flexible strip 17 on which the capsule 14 is supported. Specification 507,990 is referred to.
Patent GB-908603-A (GB)
Title: Plain bearings
Inventor: PRATT GEORGE CHRISTOPHER
IPC: B22F3/26
Filed: 1959-07-23
Abstract: A plain bearing has a phosphated porous iron bearing surface, impregnated with P.T.F.E.  The iron may be produced from sintered iron powder, and may have a metal backing, and the P.T.F.E. may be mixed with other solid lubricants and/or fillers.
Patent GB-1388741-A (GB)
Title: Insulation-slitting and stripping machine
IPC: H02G1/12
Filed: 1972-05-31
Abstract: 1388741 Stripping cables TEKTRONIX Inc 31 May 1972 [6 July 1971] 25369/72 Heading H2C A machine comprises means for separating the joined insulated electrical conductors of a flat cable by splitting the material joining the conductors and further means for splaying the separated conductors and withdrawing predetermined lengths of insulation from the ends of the separated conductors. The flat cable is fed into channels formed by grooves 20 (Fig. 2), in plate 11 and corresponding grooves in an opposed plate (12) (not shown). Serrated rollers 22 driven by a motor draw the cable into channels 26 and the sharp edges of spacers 27 and of corresponding spacers in an opposing plate (not shown), slit the insulated conductor. The separated conductors are passed through holes 30 in guide plate 29 into the diamond shaped openings between cutting and stripping plates 31 and 32. Plate 31 is secured to a part 33 of the moveable carriage C which is moved on the frame F by an air operated piston. Each plate 32 is pivotally connected to a cam carrying arm 37, Figs. 2 and 3 which is moved vertically by springs 38 and cams 44 (see also Figs. 5, 6, 7, not shown). The cams 44 ride in slots 42 in the member 40 and may be clamped in any position along the member by tightening screws, e.g. 46. Thus conductors can be stripped to the same or different lengths. Alternatively only a single member 40 need be provided the cams of which are then set using one of a number of sheet metal templates. A light sensitive resistor and a light source may be placed on either side of the channels 20 or a microswitch may be used in order to operate a motor to drive the rollers 22, and to draw in the end portion of cable. The roller motor is then halted, e.g. by means of a magnetic clutch whereupon air cylinder 26 is actuated and the cutting stripping operation commences. The cable is withdrawn from the machine by unlatching member 18 and removing the plates 13 and 14.
Patent GB-1115467-A (GB)
Title: Improvements in or relating to electrical circuit protection devices
IPC: H02H3/10
Filed: 1965-06-16
Abstract: 1,115,467. Protective arrangements. LABOR - ATOIRE D'ELECTRONIQUE ET D'AUTOMATIQUE DAUPHINOIS (L.E.A.D.) Sare. 16 June, 1965 [20 June, 1964], No. 25491/65. Heading H2K. An overload protective arrangement comprises a circuit-breaker having a trip coil 10 connected through a diode 9 to a time delay and energy storage circuit coupled to a protected circuit. The time delay and storage circuit may include a single capacitor, but in the arrangement shown, the storage capacitor 6 is additional to the timing capacitor 17 which is connected in circuit with linear resistors 7, 20, a non-linear resistor 21 and a rectifier 8 to the secondary winding 5 of a current transformer 4. Earth leakage protection may be provided by a differential transformer 13 having its secondary winding connected across the capacitor. In this case isolating diodes 15, 18 are provided. The characteristics of the time delay circuit may be determined by the use of a Zener diode, a voltage dependent resistor, a potentiometer or a plurality of shunts.
Patent GB-1405380-A (GB)
Title: Inlet gas mixer for internal combustion engine
IPC: F02B3/06
Filed: 1973-05-29
Abstract: 1405380 Mixing; recycling exhaust gases TEXACO DEVELOPMENT CORP 29 May 1973 [21 June 1972] 25566/73 Heading BIC [Also in Division Fl] A device 17 for forming a gaseous mixture from engine exhaust gas and air, prior to introduction of the remitting mixture into a cylinder of an I.C. engine comprises a gas mixing compartment 19 having a port 41 for the exit of gas mixtures, elongated nozzles 27, 27' arranged in the mixing compartment 19 to define intermediate passages 32 therebetween, means for connecting the nozzles 27, 27' with a source of exhaust gas and means for connecting the intermediate passages 32 with a source of air, whereby the gas and air are concurrently introduced into the mixing compartment to form the gaseous mixture. The exhaust gas passes by way of valve 16 and line 18 to conduit 24 and to the nozzles 27 and the air passes through a filter 21 to reach the mixing compartment. A convex deflecting surface 43 is used to deflect the gas passing along conduit 24 towards the nozzles 27 and flow guides 38 are inserted between the walls 28, 29 of each nozzle 27.
Patent GB-1322445-A (GB)
Title: Data exchange systems
IPC: H04Q3/545
Filed: 1971-04-19
Abstract: 1322445 Telegraph exchanges SIEMENS AG 19 April 1971 [2 April 1970] 25584/71 Addition to 1210733 Heading H4P  In a stored programme controlled data exchange system as claimed in parent Specification 120733 in which clearing signals are transmitted either via a data channel or a separate signal channel, the transmission of signalling criteria is effected via one or more central signalling channels respectively assigned to a plurality of subscriber lines. Other control signals for transmitting continuous or intermittent transparent information may be also sent via the data channel or a separately provided signal channel as non time dependent binary signal groups. The allocation of a signalling channel may be determined by means of a binary criterion transmitted from the subscriber system which desires tranparent transmission and which engages the connection of the central signalling channel for the duration of the connection. A channel allocation indication, preferably in the form of a secured channel code may precede the signalling criterion. The assignment of a signalling channel on demand is an advantage when this facility is only rarely desired for the number of signalling channels for any one group of subscriber lines can be made dependent on the probability of utilization. For traffic between two data systems the probability will be relatively small for optimum usage of computer time.
Patent GB-296765-A (GB)
IPC: C04B33/02
Filed: 1928-09-07
Abstract: 296,765. Kunstzahn Ges. Sept. 7, 1927, [Convention date]. Moulding artificial teeth &c.-A raw material for use in casting porcelain articles such as artificial teeth or fillings for teeth consists of porcelain pieces of substantially pea size or shape which are produced by casting a viscous porcelain inass on to a chemically-inert base, breaking the cast into small pieces after cooling thereof, and subsequently rendering such pieces so far fluid that they assume the desired form.
Patent GB-1213214-A (GB)
Title: Method and apparatus for die cutting blanks from stacks of sheet materials
IPC: B26D7/18
Filed: 1968-05-29
Abstract: 1,213,214. Cutting-out presses. FREY, WIEDERKEHR & CIE A.G. 29 May, 1968 [29 May, 1967], No. 25726/68. Heading B4B. A method of die cutting blanks from a stack of sheets 22 comprising the steps of clamping the stack along an edge, partially suspending the stack in an inclined plane on an inclined support table 18 and pressing a die 16 through the stack in a direction normal to the inclined plane. The table 18 is pivotably mounted on a carriage 19 and is adjustable between a horizontal position and an inclined position in line with a stationary table surface 59 mounted on a machine bed 11, the adjustment being effected by means of a ram 83, 84, 85. The carriage is provided with rollers 77 which run on tracks 78 and is movable by means of a ram 80. The die 16 is carried by a box-shaped member 43, 44, 47 which is mounted on a plate 31 connected to a piston 29 slidable in a cylinder 27; the die can be rotated about the axis of the piston by means of an electric motor driving a pinion 39 meshing with teeth formed on the plate 31. A blank-holding element 23 is mounted on a piston 50, Fig. 9, which is movable in one direction to grip the blanks by hydraulic fluid fed through a pipe 55 and, in the other direction to release the blanks, by compressed air. The die 16 co-operates with a backing plate 63 e.g. of wood mounted on a disc 61 which can be raised or lowered by means of screws rotated via sprockets 68 and a chain 69. A lower blank-holding element 24 is actuated in a similar way to the element 23 except that the force applied to the element 24 is greater so that the stack of blanks is lifted out of the stack of sheets against the action of the element 23 as shown in Fig. 9. The stack of blanks is removed from between the elements 23, 24 by means of a power-operated tongs device 25. The stack of sheets is held, at its top edge, by means of a clamping device including a pair of pivoted jaws 109, 111, Fig. 11, actuated by means of a ram 116, 118, the device being mounted on a carriage 89 movable on the table 18 via an hydraulic motor 87 and a feed screw 91; four pairs of identical clamping devices are mounted on the carriage. A stop member 123 is provided against which the edges of the sheets are initially aligned, the stop being movable by means of a ram 100. The stack of sheets is loaded on the table 18 when the latter is in the horizontal position as shown in Fig. 11, compressed air being fed through holes (60, Fig. 10) in the table in order to facilitate movement of the sheets. The various hydraulic and pneumatic rams are controlled by solenoid valves actuated in response to control equipment such as a computer.
Patent GB-656129-A (GB)
Title: Improvements in or relating to radio receiving apparatus
IPC: G01S1/30
Filed: 1948-10-08
Abstract: 656,129. Radio navigation; radio receiving systems and valve circuits therefor. DECCA RECORD CO., Ltd., O'BRIEN,. W. J., BRIDGES, D. E., HENDLEY, D. A., EASY, M. H., and VICKERS, J. Oct. 8, 1948, No. 25736/49. Divided out of 656,108. [Classes 40 (v) and 40 (vii)] [Also in Group XL (b)] Apparatus for selectively receiving any of a number of radio signals of closely-adjacent frequencies comprises a number of crystals tuned respectively to the various different frequencies and switch means for alternatively connecting each crystal as an acceptor or rejector filter so that wanted signals are accepted and unwanted ones rejected. The apparatus is of particular use in connection with the receiver for the radio navigation system described in Specification 656,108, serving to separate the signals from different chains of transmitting stations. In one such unit suitable for accepting a selectable one out of 5 adjacent frequencies, the input signal from transformer 10 is applied to amplifier valve 11, having a load resistor 12 and cathode resistor 22 across which are connected the acceptor crystal, 15 in the position of the switch shown, and neutralizing condenser 20. The signal appearing across further load resistor 21 is amplified by valve 23. The rejector crystals (13, 14, 16 and 17, as shown), are connected by the switch between the anode and grid of valve 11, causing an input load which is effectively lower in impedance than the respective crystals at their resonant frequencies. In an alternative arrangement, valve 11 is provided with a tuned circuit load 28, capacity-coupled by condensers 30, 31 and 32 in star arrangement and neutralized by condenser 20 so that there is no output at frequencies at which the crystals are equivalent to their electrostatic capacity. At the pass frequency of the acceptor crystal, however, condenser 31 is effectively shorted by the crystal and the balance of the bridge network upset so that signals of that frequency are fed to the second amplifier valve 23. The rejector crystals are connected between the grid of valve 23 and earth, thus substantially reducing the input impedance at the rejected frequencies. Specifications 620,479, 630,698 and 656,128 also are referred to.
Patent GB-1398902-A (GB)
Title: Production of ethanol and diethyl ether
IPC: C07C31/08
Filed: 1972-06-01
Abstract: 1398902 Production of ethanol and diethylether NATIONAL DISTILLERS & CHEMICAL CORP 1 June 1972 [1 June 1971] 25741/72 Heading C2C Ethanol and diethyl ether are produced by (1) reacting gaseous ethylene and water vapour in the presence of a hydration catalyst to obtain a gaseous reaction product containing ethanol, diethyl ether, ethylene and water vapour, (2) cooling the gaseous reaction product to condense at least a portion of the ethanol and water vapour and recovering ethanol from the condensate; (3) contacting the remaining uncondensed gases with aqueous ethanol to remove some of the diethyl ether from the gas; (4) recycling ethylene and diethyl ether in the residual gas to the hydration reaction. The preferred hydration catalyst is a supported phosphoric acid catalyst.
Patent GB-893644-A (GB)
Title: Welding apparatus for a continuous rolling mill
IPC: B21B15/00
Filed: 1960-07-25
Abstract: 893,644. Welding by pressure; rolling mill plant. SIEMAG SIEGENER MASCHINENBAU G.m.b.H. July 25, 1960 [Oct. 17, 1959], No. 25748/60. Class 83 (4). Apparatus arranged between a furnace and the first roller stand or a through-run furnace of a continuous rolling mill for welding together billets &c. to be rolled comprises welding means movable in the longitudinal direction of the billets and an endless conveyer between the furnace and the roller stand or through-run furnace for supporting the billets. In an embodiment, billets 3 fed out from the furnace 2 are supported on a conveyer 4a formed by parallel roller carrying chains 4 running on an upper support 11. The conveyer is provided with a reversible drive and the welder 6 which has clamping devices 12 is connected to the conveyer for movement therewith. The conveyer and welder may have separate drives so that the conveyer upper run moves only in the direction of billet movement, the billet supports then being provided by upwardly curved supports. The welded billets are supplied to the first stand 1 of the mill but the through-run furnace may be provided at this position.
Patent GB-1224188-A (GB)
Title: Process for the rearrangement of peroxides of cyclohexanone
IPC: C07D315/00
Filed: 1968-05-29
Abstract: 1,224,188. #-Caprolactone and #-formyloxycaproic acid. UGINE KUHLMANN. 29 May, 1968 [31 May, 1967], No. 25800/68. Heading C2C. #-caprolactone and #-formyloxycaproic acid are obtained by re-arranging peroxides of cyclohexanone, particularly those having the Formula (I) and (II) which comprises bringing into close contact, at 0‹ to 40‹ C., the peroxides previously disolved in an inert non-polar solvent, which may be a linear or branched saturated hydrocarbon having 5 to 12 carbon atoms or a cycloalkane, and solutions of formic acid having a water content below 25%, containing a catalytic amount of a mineral or strong organic acid, decanting the non-miscible phases and extracting from the formic acid solution the resultant #-caprolactone and #-formyloxycaproic acid. Aromatic hydrocarbons such as benzene, toluene and xylenes, or halogenated solvents such as carbon tetrachloride may also be used. The mineral or strong organic acid may be sulphuric, phosphoric, hydrochloric, methane sulphonic, ethane sulphonic or p-toluene sulphonic acid. Reference has been directed by the Comptroller to Specification 1,108,871.