baber/WOPTO huggingface dataset:
Patent GB-1366050-A (GB)
Title: Ultrasonic thickness measurement
IPC: G01S15/14
Filed: 1973-09-14
Abstract: 1366050 Ultrasonic thickness measuring BRITISH STEEL CORP 14 Sept 1973 [14 Sept 1972] 42732/72 Heading H4D  In measuring thickness by the ultrasonic pulse-echo method, particularly of thin tube walls, extraneous signals between "major" reflections may lead to error. According to the invention the time span T 1  of a predetermined plurality of reflected pulses, and, separately, the time span T 2  of a predetermined lesser number of reflected signals within the predetermined plurality, are measured, T 1  and T 2  are compared, at least one set of reflections are processed before the comparison such that resultant T 1  and T 2  are, for correct comparison, equal, and the comparator controls the thickness signal output. In one embodiment reflected pulses after shaping are passed to a counter 3 the third and fourth pulses of the reflection train being passed to a bi-stable 1 the output of which, 26, Fig. 2, is passed to a stretcher 8, 27, Fig. 2, to actuate gate 1, 29, Fig. 2; clock pulses passed by the latter are counted, and the count held, by pulse counting unit 1. The time interval between the third and sixth reflection pulses, 28 and 30, Fig. 2, yields clock pulses into pulse counting unit 2. The clock pulse counts are compared in unit 10 and, if equal, a "valid measurement" is fed to enable recorder 11. The counters are then reset for like operation in the next transmitter pulse repetition period. In another embodiment pulse stretcher 8 is replaced by a divide-by-three circuit in the clock pulse output to gate 2, Fig. 3 (not shown). Measurement may be in error if the sixth reflection pulse is small; the seventh pulse is therefore extracted and additionally utilized in enabling the recorder.
Patent GB-916043-A (GB)
Title: Improvements in or relating to food holding devices for animals
IPC: A01K1/10
Filed: 1960-12-13
Abstract: 916,043. Animal feeding devices. MANOR FARM (CHILMARK) Ltd., and CARRIE, M. M. Nov. 8, 1961 [Dec. 13, 1960], No. 42882/60. Class 5(2). An animal feeding device particularly for feeding hay to sheep comprises a weather proof container 10 encircled by a band 11 from which is suspended a net 21 the height of which above the ground is varied by adjusting the position of the band on the container 10. The container is supported on two U-shaped frames 18 the limbs of which are secured to plates 17 pivotally connected to the band 11 so that the container may be swung about a horizontal axis to bring the open end uppermost for filling purposes. It is stated in the Provisional Specification that the container may be supported on three legs cross-braced together at points above their extremities and supporting a tray beneath the net which may be hooked on to projections on the wall of the container.
Patent GB-940599-A (GB)
Title: Piperidinecarboxamides
IPC: C07D409/06
Filed: 1961-11-30
Abstract: The invention comprises amides of the formula <FORM:0940599/C2/1> (wherein Ar is a phenyl, tolyl, xylyl, halophenyl, methoxy- or dimethoxy-phenyl or 2-thienyl radical, Alk is an alkylene radical of 2 to 4 carbon atoms and NRR1 is dimethylamino, pyrrolidino, dimethylpyrrolidino, piperidino, dimethylpiperidino or morpholino) and non-toxic acid addition and quaternary ammonium salts thereof. They may be prepared by condensing a compound of the formula Ar-CO-Alk-halogen with an appropriate 1-unsubstituted-4-carbanoyl-4-NRR1-piperidine or a corresponding acid or ester and, if necessary, reacting the product with thionyl chloride and/or ammonia. Examples are given and a list of salt-forming organic and inorganic acids and quaternizing agents is provided.  4-Piperidino-piperidine-4-carboxamide is prepared by reacting piperidine hydrochloride, 1-benzyl-4-piperidone and potassium cyanide to give 1-benzyl-4-cyano-4-piperidino-piperidine, hydrolysing this to 1-benzyl-4-carbamoyl-4-piperidino-piperidine and debenzylating this.  The 4-pyrrolidino,-morpholino and -dimethylamino compounds are prepared similarly.  Gamma-chloro-butyrophenone is prepared from gamma-chloro-butyryl chloride and benzene. The 4-fluoro-phenyl, 4-methyl-phenyl, 4-chloro-phenyl and 4-methoxy-phenyl compounds are prepared similarly.
Patent GB-1182366-A (GB)
Title: Preparation of Aromatic Dithiols
IPC: A61K31/045
Filed: 1968-09-11
Abstract: 1,182,366. Aromatic dithiols. INVENTA A.G. FUR FORSCHUNG UND PATENTVERWERTUNG. 11 Sept., 1968 [18 Sept., 1967], No. 43150/68. Heading C2C. Aromatic dithiols, in which there are at least 3 carbon atoms between the thiol groups, are prepared by suspending the corresponding disulphochlorides in phosphoric acid in the presence of a non-ionic emulsifier, adding the suspension slowly to a preheated reducing mixture consisting of an excess of phosphorus (based on the disulphochloride) and catalytic amounts of iodine suspended in phosphoric acid and reacting them at elevated temperature. Suitable starting disulphochlorides are, for example, benzene - 1,3 - disulphoohloride; diphenylether- 4,4<SP>1</SP> - disulphochloride; diphenyl sulphide-4,4<SP>1</SP>- disulphochloride; diphenylmethane - 4,4<SP>1</SP>- disulphochloride; 2,2 - diphenylpropane - 4,4<SP>1</SP>- disulphochloride; diphenylsulphoxide - 4,4<SP>1</SP>- disulphochloride; diphenylsulphone - 3,3<SP>1</SP>- disulphochloride; benzophenone - 4,4<SP>1 </SP>- disulphochloride; benzophenone - 3,31 - disulphochloride and diphenyldichloromethane - 4,4<SP>1</SP>- disulphochloride. Ethylene oxide condensation products of C 8 -C 18  alcohol or of polyalkylated phenols are the preferred emulsifiers.
Patent GB-1200393-A (GB)
Title: Photographic element and process
IPC: G03C1/485
Filed: 1968-09-11
Abstract: 1,200,393. Direct positive photographic elements. E.I. DU PONT DE NEMOURS & CO. Sept.11, 1968 [Sept.12, 1967], No.43272/68. Heading G2C. Unfogged photographic elements which after exposure to actinic radiation can be developed to give positive images directly, comprise a supported internal latent image type halide emulsion layer containing a water-permeable organic colloid binding agent and a metal compound reducing agent for the silver halide, the metal in the compound capable of exhibiting different valencies and the compound employed being one in which the metal does not exhibit its highest valency; the emulsion has a pH less than 7 and sufficiently low to prevent oxidation of the reducing agent. Preferably the reducing agent is Sn Cl 2 , Ti Cl 3  or ferrocent, the pH is lowered by H Cl, optionally together with borax, and the emulsion also contains a protective agent to prevent premature oxidation of the reducing agent (e.g. I 2 , a metal iodide, a spectral sensitizing dye or 2-mercapto - 4-phenylthiazole), Au ions (e.g. in the form of Au Cl 3 ), Pb(NO 3 ) 2  and/or Sn Cl 4 .
Patent GB-1442260-A (GB)
Title: Use of glycoluril derivative in explosives
IPC: C06B25/34
Filed: 1974-07-05
Abstract: 1442260 Explosives and propellants SOC NATIONALE DES POUDRES ET EXPLOSIFS 5 July 1974 [24 July 1973] 43402/75 Divided out of 1442259 Heading C1D An explosive composition or device comprises dinitroglycoluril having the formula or an isomer thereof. The compound may be used as described for tetranitroglycoluril in Specification 1,442,259, e.g. in an explosive charge mixed with TNT, wax, or a polymerizable liquid binder, or as an oxidizing charge in solid propellants.
Patent GB-906195-A (GB)
Title: Apparatus for coupling and uncoupling railway vehicles
IPC: F16N11/00
Filed: 1960-12-16
Abstract: 906,195. Coupling and uncoupling mechanisms. STAMICARBON N.V. Dec. 16, 1960 [Dec. 16, 1959], No. 43410/60. Class 103(5). Mechanism for coupling and uncoupling hook and link couplings between two rail vehicles comprises, a pneumatic valve and cylinder apparatus along the track which is operated by pedals 3 and 4 at two predetermined positions of the vehicles, piston operated members 13, 17 which move to couple or uncouple, and movable stops 7 and 8 for arresting the two vehicles in the predetermined positions. In a coupling up operation, car 1 first operates pedal 4 which has no effect however as the main valve 5 controlling the compressed air supply from the mains 21 is closed by the valve 24. The car then moves on to operate pedal 3 which opens valve 5 and supplies air via valve 24 to the cylinders 9, 10 which raise stops 7, 8 and arrests both of the cars in suitably spaced apart positions. The valve 6 is also placed in communication with the air supply as that operation of the pedal 4 by car 2 opens the valve 6 and supplies air to the cylinder 11 to cause the hinged and sprung head 14 of the member 13 to lift the hook 26 as in Fig. 2. As the member 13 moves into its extreme position the end of rod 12 operates valve 25 which passes air to cylinder 15 to raise the link tilting member 17. During this motion the link support 18 is held in the horizontal position against a spring 29 by a chain 28 and urges the link 30 into position for coupling. As the rod 16 moves into its extreme position it operates a valve 23 which moves valve 24 and allows air to escape from valve 6 and cylinder 11 so that the hook tilting member 13 is lowered and the hook 26 swings into the raised link 30. After a short interval due to the retarding action of valve 22 the member 17 is lowered and coupling completed. The movement of valve 24 after an interval due to the throttling valves 31, 32 relieves the pressure in the cylinder 9, 10 so that the stops 7, 8 move down and release the cars. The cycle recommences when car 2 depresses pedal 3. When uncoupling, the member 17 can be put out of operation or be replaced by a second hook tilting member 13.
Patent GB-889316-A (GB)
Title: Method and apparatus for the concentration and combustion of waste liquors from pulpmanufacture
IPC: D21C11/10
Filed: 1959-12-22
Abstract: Waste liquor from the manufacture of cellulose pulp is treated by a process wherein (1) the liquor is concentrated in at least one directcontact evaporator, preferably after preliminary concentration in multiple-effect evaporators, (2) the concentrated liquor is passed to a furnace in which it is burnt, the furnace preferably serving to heat a boiler which may supply steam to the multiple-effect evaporators, (3) the combustion gases from the furnace are passed to an air-heater and (4) the hot air from the airheater is passed to the direct-contact evaporator.  Direct contact between the liquor and combustion gases, which reduces the calorific value of the liquor, is thus avoided.  More than one air-heater may be provided, and in this case the hot air from one heater may pass direct to the furnace while the hot air from the other heater passes to the direct-contact evaporator.  The latter may be a cascade evaporator and the air which leaves it may pass wholly or in part to the furnace.  Alternatively, the air leaving the direct-contact evaporator, before it is introduced into the furnace, may be passed in heatexchange relationship with the air entering the evaporator.
Patent GB-1401689-A (GB)
Title: Level gauge of liquid metal
IPC: G01F23/26
Filed: 1972-09-21
Abstract: 1401689 Measuring liquid level electrically SUKEGAWA ELECTRIC CO Ltd 21 Sept 1972 [30 Sept 1971] 43696/72 Heading G1N A gauge for determining the level of liquid metal A in container B comprises a detecting element 1 and compensating element 2 having series-connected primary coils la, 2a and seriesopposed secondary coils 1b, 2b, the compensating element 2 disposed in a tube 11 of metal of equivalent magnetic permeability to that of the liquid metal whereby the voltage output from the secondary coil 2b is independent of liquid level but dependent on temperature whereby the signal from the gauge is temperature compensated.
Patent GB-1502659-A (GB)
Title: Multipactor discharge arrangements
IPC: H01J23/213
Filed: 1975-10-24
Abstract: 1502659 Transit-time tubes ENGLISH ELECTRIC VALVE CO Ltd 17 Aug 1976 [24 Oct 1975] 43704/75 Heading H1D A resonant cavity device-e.g. a magnetronis tuned by a multipactor arrangement having coaxial cylindrical multipactor electrodes 1 and 2. The non-planar form of the electrodes is stated to produce a net electron flow to the outer electrode, which current is employed to bias the electrode 1-e.g. by use of resistor 4- and thereby additionally affect the frequency of the device being tuned when discharge occurs. The resistor may be variable, its adjustment thereby affecting the operating frequency, or a resistive-capacitive network may be employed, as shown, to produce a variation of the frequency over a range while discharge is taking place. A triggerable diode 6 may be included, to discharge the network after a desired interval.
Patent GB-1206168-A (GB)
Title: A method of manufacturing an elongated product such as a wire, cable or bar, and products produced by the method
IPC: D07B5/12
Filed: 1967-10-02
Abstract: 1,206,168. Working at specified temperatures; making steel products; rolling. TREFILERIES & CABLERIES DE BOURG ET DU HAVRE. 2 Oct., 1967 [4 Oct., 1966], No. 43956/67. Headings B3A, B3M and B3V. An elongated carbon steel product is made by first patenting the steel, cold drawing it and then rolling it at a temperature higher than ambient but lower than its recrystallization temperature. In one embodiment, steel wire is cold drawn after it has been patented by austenitization at 900‹ C. and quench cooling to 500‹ C., after which it is straightened by rollers 2, 3, heated by an induction coil 4 to 100-500‹, e.g. 300‹ C., and rolled by rollers 5. The rolled flat wire is finally cooled at 6 and wound on to a reel 7. The wire may be passed from the reel 7 through a second induction coil 4 and further deformed by non-driven rollers 5. Alternatively, the wire may be drawn through a die (9), (Fig. 5, not shown) prior to being wound on to the reel 7. In a further embodiment, the wire is rolled and then deformed at ambient temperature by passing it through staggered rollers. Various sections may be formed in the single rolling pass (Fig. 2, not shown) and a bunch of parallel wires may be rolled into a triangular, round or oval section. The steel may be used for springs and prestressed concrete.
Patent GB-1036257-A (GB)
Title: Coupling means between a tractor and a working device to be connected thereto
IPC: A01B59/06
Filed: 1964-10-28
Abstract: 1,036,257. Tractor-implement hitches. OTTO HAMMEN KOMM GES. Oct. 28, 1964 [Nov. 15, 1963], No. 44000/64. Heading B7T. A coupling means for connecting a tractor 2 to a working device 3 comprises a coupling frame 1 releasably connectable to the threepoint power lift links 4, 5, 6 of the tractor, the frame 1 having two lower coupling hooks 7, 8 which receive pins 9, 10 on the device 3 when the device is connected to the tractor, and having a double-armed coupling strip 11 pivoted at 12 to the frame and having slots 11a therein, the slots 11a being engaged with a pin 13 on the device 3 when the device is connected to the tractor by simultaneously lowering the frame 1 and pivoting the strip 11, the strip pivotally supporting a latch 14 locking the pin 13 in the slots 11a. An operating handle 17 actuated from the tractor seat is connected with the coupling strip 11 and with pivotable locking elements 15, 16 which lock the pins 9, 10 in the hooks 7, 8. In connecting the tractor 2 to the device 3 the coupling atrip and the latch 14 are tilted anticlockwise by the handle 17 so freeing the hooks 7, 8 of the elements 15, 16, the tractor is moved towards the device until the hooks 7, 8 lie below the pins 9, 10, and the frame 1 is lifted by the hydraulic rods 4, 5, 6 so that the pins 9, 10 engage the hooks 7, 8. The frame is further raised until clockwise tilting of the strip 11 by the handle 17 locates the slots in front of the pin 13, and the frame is then lowered and tilted further clockwise to engage the pin 13 in the slots 11a, the latch 14 locking the pin 13 and the elements 15, 16 retaining the pins 9, 10.
Patent GB-442359-A (GB)
Abstract: 442,359. Respiratory appliances. DEGEA AKT.-GES. AUERGES., 16, Rotherstrasse, Berlin. Sept. 9, 1935, No. 25091. Convention date, Jan. 24. [Class 81 (ii)] In respiratory apparatus for great altitudes operated automatically by the lungs and in which admission of atmospheric air is controlled barometrically, a valve on the controlling, bag is controlled by an aneroid chamber filled with air and a second valve connected with the first is provided which is spring loaded so that, in the event of leakage from said chamber. the air inlet is closed. A valve b in the oxygen conduit a is operated through levers c by collapse of the bag d. An air admission valve g is controlled by the aneroid chamber h. A counter-valve i overcomes the force of expansion of the chamber h if the latter is leaky. In a modification, atmospheric air is induced by the oxygen flowing through an injector. The valves g and i are arranged in the air inlet as before.
Patent GB-1291814-A (GB)
Title: Handrail drive for passenger conveyor
IPC: B66B23/04
Filed: 1970-09-16
Abstract: 1291814 Escalator handrails GOODYEAR TIRE & RUBBER CO 16 Sept 1970 [13 Oct 1969] 44236/70, Heading B8A In the drive of a handrail for an escalator or moving walkway 3 the handrail 25 passes around a drive pulley 33 of similar size and attached to the shaft 15 of an end roller 8 of the escalator and has tensioning units 35, 36 disposed on opposite sides of the drive pulley 33 each operative for a different direction of motion of the walkway 3 to provide sufficient tension on the slack or downstream side of the drive pulley for driving the handrail in that direction. The tensioning unit 35 comprises an idler roller 37 mounted on a carriage (38), Fig. 2 (not shown), for movement along guide rails (39) under the effect of a spring unit (50) coupled to the carriage (38) by a cable (56). The idler pulley is canted out of the plane of the drive pulley 33 to allow maximum wrap round of the handrail about the idler and drive pulleys without reversal of the handrail. The tensioning unit 36 comprises a rack (70), Fig. 8 (not shown), slidable along rails (71), (72) and mounting roller (73) to bear against the underside of the handrail and urge the outer surface of the handrail against rollers (69) mounted on a convex frame (68). The tension is applied by weights 74 coupled to the rack (70) by a cable (75). Each tensioning unit has a stop (63), (76) to prevent excessive movement of the respective carriage (38) or rack (70) when the direction of movement of the handrail is such that the corresponding unit becomes disposed on the high tension or upstream side of the drive pulley.
Patent GB-442777-A (GB)
Abstract: 442,777. Ink-ribbon mechanism. TELEFONAKTIEBOLAGET L. M. ERICSSON, 33, Kungsgatan, Stockholm. Aug. 14, 1934, No. 23434. Convention date, June 6. [Class 100 (iv)] [See also Group XIX] The printing colour in a workmen's timerecorder is changed by setting a pin 63, the power necessary to make the change being provided by an electromagnet. The pin 63 reciprocates a lever 62 having a depending link 65. A pin 66 on the end of the link rides up one side of an incline and down the other side on a lever 59, the lever thus being rocked anticlockwise. A link 61 pivoted to the lever 59 changes an indicator showing the printing colour. A link 58 also pivoted to the lever 59 rocks anticlockwise a lever 52 so that its edge 51 comes below a pin 50 on a lever 48 carried by a frame 30 rocked by an electromagnet 27 during the operation of the recorder. When the frame is rocked, the pin 50 rocks the lever 52 further and, by a pin-and-slot connection 56, 55, moves a lever 57 connected by a link 68 to the colour-changing mechanism. Themovement of the lever 57 is assisted by a spring 72.
Patent GB-1532046-A (GB)
Title: Glass
IPC: C03C3/14
Filed: 1976-10-26
Abstract: 1532046 Coating composition CARL-ZEISSSTIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 26 Oct 1976 [31 Oct 1975] 44478/76 Heading C1M A composition for coating and passivating silicon semi-conductor components comprises a finely divided glass consisting of having admixed therewith 15-35% (based on the total mixture) of finely divided cordierite. The cordierite is preferably produced by crystallization from an appropriate glass.
Patent GB-993289-A (GB)
Title: Improvements in or relating to flight training apparatus
Inventor: FLOWER MAURICE SHIRLEY
IPC: G09B9/32
Filed: 1962-11-26
Abstract: 993,289. Grounded aircraft trainers. COMMUNICATIONS PATENTS Ltd. Nov. 26, 1962, No. 44579/62. Heading B7W. Grounded flight training apparatus comprises a camera with a lens system for viewing at least part of a representation of the surface of the earth, and at least one optical screen movable by mechanical means into and out of the optical path between the lens system and the representation. In the Figure, a camera 20 views a representation G-G<1>, of, for example, an aircraft carrier on the sea, by a prism 24, giving a field of view extending above and below a line OA by #<1> and # degrees. The prism is rotatable about bearings 26 by link 27 in accordance with simulated pitch, so that line OA is horizontal in steady level flight. A screen 21, of transparent plastic, has one face rubbed lightly with abrasive paper, and then partially repolished. It can be moved to extend across the field of view of the camera, as shown, by lever 29<1>, 29<11>, and link 35 adjustable by a solenoid under the control of an instructor, to simulate the presence of mist by causing a poorly defined image of the representation to be formed. A further transparent plastic screen 22 is rendered translucent by rubbing one surface with abrasive paper, and can be inserted into the field of view to a variable extent by lever 30<1>, 30<11> and link 36 controlled by a closed loop servo system energized by a signal (h+k)/r where h is the simulated altitude, available from the flight, computer k is a constant which sets the upper limit #<1> of the field of view when the aircraft is grounded, and r is the visibility range, set by the instructor on a control knob. Increasing h, or a decreasing r, progressively limits the field of view to the nearer parts of the representation, to simulate the effects of fog. A stop in the servo system prevents screen 22 from being moved through and beyond the field of view. Two screens in combination may be used, so that the transition between the obscured and unobscured parts of the tepresentation appears gradual. The two screens 21 and 22 may be controlled together, being coupled by a latching device and operated by a closed loop servo mechanism. When a potentiometer is set at a value towards minimum visibility, the latch is released, and screen 21 is placed by a spring across the field of view, screen 22 alone continuing to be controlled by the servo. The screens are recoupled in a manner not described, by setting the potentiometer first to minimum visibility, then to maximum visbility.
Patent GB-1175766-A (GB)
Title: Carboxylated Polymers
Inventor: DICKAKIAN GHAZI MOURAD
IPC: C08C19/04
Filed: 1968-09-19
Abstract: 1,175,766. Carboxylated polymers. ESSO RESEARCH & ENG. CO. 19 Sept., 1968, No. 44635/68. Heading C3P. An unsaturated polymer is reacted with molecular oxygen in the presence of a heavy metal salt catalyst and a saturated aliphatic acid of formula where X is hydrogen or a C 1-10  alkyl group and Y is hydrogen, a C 1-10  alkyl group, or -COOH; or acetic anhydride or propionic anhydride. In the examples a solution of polybutadiene is reacted with oxygen in the presence of cobalt octoate and either acetic or propionic acid. The product may be neutralized with ammonium hydroxide to give an aqueous solution. A polymer of butadiene having a molecular weight of 500 to 10,000, a 1,2-configuration of at least 50% and an acid number of 50-100 mg. KOH/gram of polymer may be obtained.