baber/WOPTO huggingface dataset:
Patent GB-842040-A (GB)
Title: Method of mixing liquid reactants
IPC: B01F5/04
Filed: 1958-11-25
Abstract: <PICT:0842040/IV(b)/1> In a method of producing adipic acid by the oxidation of cyclohexanol by nitric acid, cyclohexanol is supplied by a displacement pump 1 to a tube 2, mixed with a stream of gas from tube 5 and the mixture introduced through a nozzle 4 into a tube 3 containing a turbulent stream of nitric and adipic acids.  The addition of the stream of gas and the introduction of the nozzle 4 obviate the danger of propagation of violent reaction up the cyclohexanol supply tube.  The gas is chosen from those which will not interfere with the reaction; air may be used in the present case. Caprolactam may be similarly prepared by the addition of cyclohexanone oxime and nitrogen to a turbulent mixture of sulphuric acid and caprolactam.  In another embodiment of the apparatus, Fig. 2 (not shown) the cyclohexanol and the cyclohexanane oxcine are suppled by gravity.
Patent GB-1060395-A (GB)
Title: Methods and apparatus for reducing water hammer in the tailrace or suction line of a water turbine, pump turbine, or pump
IPC: F04D15/00
Filed: 1963-09-27
Abstract: 1, 060, 395. Hydraulic turbines and pumps. HITACHI Ltd. Sept. 27, 1963 [Oct. 2, 1962], No.38114/63. Headings F1C and F1T. When the circuit breaker 1 of a generator is actuated to open the circuit, water hammer in the suction pipe 5 of the turbine driving the generator, induced by the sudden change in load, is reduced by admitting compressed air into the suction pipe to prevent the occurrence of negative pressure downstream of the runner 4. For this purpose, a valve 2 arranged to open in response to actuation of the circuit breaker 1 admits compressed air from a reservoir 3 through pipes 6, 7 to the turbine. The invention is applicable also to pump-turbines and pumps.
Patent GB-1106473-A (GB)
Title: Method of bonding carpets
Inventor: KLIENE RONALD IAN
IPC: D06N7/00
Filed: 1964-09-18
Abstract: 1,106,473. Laminated tufted carpets. IMPERIAL CHEMICAL INDUSTRIES Ltd. 2 Sept., 1965 [18 Sept., 1964], No. 38214/64. Addition to 964,539. Heading B5N. [Also in Division A4] A method of locking the tufts of a tufted carpet into a supporting web comprises applying discrete particles of organic thermoplastic material to the back surface of a tufted carpet web, heating the particles to a heat-softened state and pressing a film of organic thermoplastie material against said"surface to bond it thereto whilst the particles are in a heat softened state. In a modification of the method, discrete particles of organic thermoplastic material are applied to a surface of a backing material, the particles heated to a heat-softened state and the treated surface applied to the opposed surface of the film during or after the application of the tufted carpet web. In Fig. 1, a length of tufted carpet is fed past an applicator 4, under radiant heaters 5, between carding roll 6 and laminating roll 7 where it is laminated to' film 8, the resultant laminate being fed past applicator 4<SP>1</SP>, radiant heaters 5<SP>1</SP> and between carding roll 6<SP>1</SP> and laminating roll 7<SP>1</SP> where the surface of the film is laminated to the backing material 10. Specified films are polyethylene, copolymers of ethylene with vinyl esters or acrylates, polypropylene and polyvinyl chloride. The particles are preferably of a polymer the same as or similar to the film. The specified backing is a hessian fabric.
Patent GB-945460-A (GB)
Title: Improvements in or relating to gin frames
IPC: D01B1/06
Filed: 1962-10-09
Abstract: 945,460. Gins. G. T. CASANOVA. Oct. 9, 1962, No. 38273/62. Heading D1N. A gin of the kind having a leather covered roller and stationary knife has a seed remover consisting of a plurality of elliptical plates 14 mounted on a shaft 15 and inclined at an angle to the axis of the shaft. The leather covered roller 1 is mounted in sliding bearings 11 and held against the stationary knife 2 by springs 8 adjusted by bolts 10.
Patent GB-303177-A (GB)
IPC: H03F3/02
Filed: 1928-12-29
Abstract: 303,177. Forstmann, A. Dec. 30, 1927, [Convention date]. Repeating and amplifying systems.-In a thermionic amplifier for wireless or telephone transmission systems, arranged to compensate for distortion previous or subsequent to passage of signals through the amplifier, the external impedance in the anode circuits of potential amplification stages at frequencies to be favoured, is equal to four times the internal impedance of the valves which are preferably of the high amplification type'. Resonances are avoided. Compensation for subsequent distortion may be effected at the input end of a telephone cable.
Patent GB-1022023-A (GB)
Title: Improvements in or relating to trawlers
IPC: B63B35/18
Filed: 1962-10-12
Abstract: 1,022,023. Trawlers. CHANTIERS & ATELIERS AUGUSTIN NORMAND. Oct. 12, 1962 [Oct. 12, 1961], No. 38713/62. Heading B7A. A stern trawler comprises a hull structure at each side of an inclined ramp. The rearward face of each structure includes two planes which are inclined to one another, an inner plane which is at right-angles, to the central vertical longitudinal plane of the trawler and an outer plane which is inclined, outwardly, forward, both planes being also inclined rearwardly upward.
Patent GB-1145989-A (GB)
Title: Process for the preparation of polymethylene sulfide
IPC: E02B17/02
Filed: 1966-08-31
Abstract: 1,145,989. Polymethylene sulphide. STAUFCHEMICAL CO. 31 Aug., 1966 [23 Sept., 1965], No. 38883/66; Heading C3R. Polymethylene sulphide is prepared by reacting a salt of trithiocarbonic acid with a methylene halide or formaldehyde or a precursor of formaldehyde. In examples polymers are prepared by reacting sodium trithiocarbonate and lithium trithiocarbonate with methylene chloride, methylene bromide and formaldehyde, with heat, in water, ethyl alcohol and carbon disulphide.
Patent GB-1406879-A (GB)
Title: Method of absorbing waste gases containing nitrogen oxides
IPC: B01D53/56
Filed: 1972-08-21
Abstract: 1406879 Absorption of nitrogen oxides VEBA-CHEMIE AG 21 Aug 1972 [21 Aug 1971] 38920/72 Heading C1A NO and NO 2  are removed from waste gases containing nitrogen oxides by contacting the gases, preferably cooled to below 30‹ C., with solid phosphate containing minerals, e.g. phosphate rock, phosphonites or apatites, basic slag or superphosphate, either as a premoistened solid, a suspension in water or in the presence of steam or atomized mist. In embodiments described with reference to Figs. la and 1b, dry granular phosphate flows from a hopper 1 between two sieve or mesh plates spaced apart by distance d (Fig. la) or through three parallel rows of tubes (Fig. 1b). A blower passes a current of waste gas, which is saturated with water vapour, transversely thereto through filter 3 in the direction of arrow 16. Steam enters through inlet 17 and nozzles 13. A drop separator 14 which can be drained through valve 18, separates liquid particles. By adapting the phosphate throughput through filter chamber 3 to the waste gas throughput from 12 to 15 the treated phosphate can be drawn off continuously through 4. In a further embodiment described with reference to Fig. 2 dry waste gas is treated with phosphate rock in aqueous suspension. Finely ground rock passes through inlet 31 into mixer 32 and is stirred by stirrer 33 with water entering through connection 30 and the suspension into receiver 35 through valve 34 where it is stirred by stirrer 36. Phosphate suspension from vessel 35 passes through outlet 37 to scrubbing tower 51 by pump 38 through pipe 39 and trickles downwards through grids 52. Waste gas containing nitrogen oxides pass from point 61 through valve 62 and nozzle 63 into vessel 35 where they can be blown on the surface of the suspension. Then they flow upwards through grids 52 and escape through vent 64 into drop separator 65 and chimney 66. Excess water vapour is separated in drop separator 65 and returned through downpipe 67 to the absorption vessel. Dry phosphate rock and phosphate rock which has been wetted with water mixed with a wetting agent may be treated in a fluidized bed. Fluidization is effected by currents of waste gas.
Patent GB-944512-A (GB)
Title: Improvements relating to the distillation of liquids
IPC: B01D3/00
Filed: 1959-11-19
Abstract: 944,512. Distillation apparatus. K. W. WILLANS. Nov. 18, 1960 [Nov. 19, 1959], No. 39269/59. Heading B1B. Liquids such as brine, contained in a tray 5 located in duct 1, are evaporated by passing a current of hot air from heater 3 through the duct so that some of the liquid vaporizes into the hot air. The moisture-laden air flows down duct 2 to condenser 14, and the condensate is collected in tank 18. The air withdrawn from the lower end of duct 2 by means of fan 15 may either be discharged to the atmosphere or it may be recycled to heater 3 via conduit 21. This heater 3 may be an oil-fired or gas-fired burner, in which case the gaseous products of combustion may be mixed with the air. Tray 5 is supplied with liquid from tank 7. The liquid may be used as coolant in condenser 14 before it is passed to tank 7. When it is required to collect the residue in tray 5, it is removed through door 6. A plurality of trays, lying one above the other, may be mounted in duct 1.
Patent GB-1516025-A (GB)
Title: Production of neutron shielding material
IPC: G21F1/12
Filed: 1976-09-22
Abstract: 1516025 Hot-rolled neutron absorbing shield BROOKS & PERKINS Inc 22 Sept 1976 39293/76 Heading C7D A neutron absorbing shield is made by filling an open ended welded metal box with a powder mixture of a metal e.g. Al, Mg or stainless steel and a B compound e.g. B4C, closing the open end of the filled box by welding, soaking the box at 800-850‹F and hot-rolling at this temperature to form a composite sheet. The rolled sheet is then flattened and cut to size. The metal box may be made of Al and may contain holes for the removal of entrapped air.
Patent GB-978055-A (GB)
Title: Improvements in and relating to pipe joints
Inventor: WICKHAM FRED VINCENT
IPC: C11C3/02
Filed: 1962-10-17
Abstract: 978,055. Pipe joints. TEMPLE TUBES Ltd. Oct. 16, 1963 [Oct. 17, 1962], No. 39295/62. Heading F2G. A telescopic joint for pitch fibre pipes A, B having tapered ends a, b, comprises a sleeve C driven on to the pipe A and having a parallel bore c<SP>2</SP> into which the end of the pipe B is inserted and compresses between it and the bore of the sleeve an 0-ring E which provides the only restraint against relative longitudinal movement of the pipes. As shown, the sleeve has a tapered bore c<SP>1</SP> and the rubber 0-ring is retained in a seating d provided on a sleeve D driven on to the tapered end of the pipe B. The sleeves C, D may have internal circumferential grooves so that the material of the pipes may flow into those grooves and provide a positive resistance to separation of the sleeves and pipes.
Patent GB-347726-A (GB)
Title: Improvements in electromagnetic interrupter apparatus
IPC: H04M19/02
Filed: 1929-12-30
Abstract: 347,726. Electromagnetic interrupters. ECLIPSE AVIATION CORPORATION, 545, North Arlington Avenue, East Orange, New Jersey, U.S.A. Dec. 30, 1929, No. 39800. Convention date, Jan. 5. [Class 38 (v).] A vibratory regulator has an electromagnet 7 on a core 6 supported within a substantially rectangular magnetic frame 5. A bracket 13 attached to the frame 5 carries a pivot pin 12 on which is mounted an armature 11 with projecting through the side of the frame 5 and provided a counterweight 14 so that the armature is pivoted substantially at its centre of gravity. The pin 12 is held in position by a detachable spring wire clip 22. The armature carries a contact 26 normally held against a fixed contact 27 by a spring 17 the tension of which may be adjusted by a tension-adjusting nut 21 held in position by a spring detent 21a. The fixed contact 27 is adjustably carried by and is insulated from an insulated bridge piece 29 secured by studs 30 to bridge a gap in the upper end of the frame 5. A portion 10 of the member opposite the free end of the armature is inturned as shown to terminate closely adjacent this end so that two flux-paths of low reluctance are formed in the energizing circuit. When the output of the generator so current supply means exceeds the desired amount the armature is drawn to the end of the core so separating contacts 26, 27 to place a resistance in the generator field winding. To prevent adhesion between the armature and core a non- magnetic stop 40 is mounted on the end of the coil.
Patent GB-1118871-A (GB)
Title: Improvements in and relating to construction sets
IPC: A63H33/04
Filed: 1963-10-10
Abstract: 1,118,871. Construction sets. E. BONDESEN and F. HANSEN. 30 Dec., 1964 [10 Oct., 1963], No. 40094/63. Addition to 923907. Heading A6S. A set of construction members similar to that described in Specification No. 923,907 comprises polyhedral members each having an aperture therethrough and having portions shaped to engage in portions of contiguous members when the members are assembled in linear alignment to avoid transverse displacement of a member relative to another an elongated stressing element or elements adapted to be located in tension axially through the members when assembled, and plates adapted to be disposed between some of the members of the assembly and each having stressing element restraining apertures disposed at and around the centre of the plate to retain a single element in a central or eccentric position or to receive a number of elements whereby each element acts to maintain all the members in the desired elongated, straight or slightly curved shape. As illustrated each polyhedral member 3 includes dowels 6 and/or apertures 7 adapted to receive the dowels of a contiguous member. The plates 10, 11, and 25 are apertured to receive the stressing element or elements 1. A branch from the longitudinal assembly is provided by elements 18, 19 which comprise lugs 21  adapted to fit around the legs of elements 3. The plate 10 is adapted to be rotated by tool (26) (Fig. 2 not shown) to tension the element and the plate is held in its final position by a block engaged in one of the apertures 7. A transition unit (Figs. 4, 4A not shown) enables the set to join up with other construction sets.
Patent GB-1332013-A (GB)
Title: Forage harvesters
IPC: A01F29/09
Filed: 1971-08-26
Abstract: 1332013 Forage harvesters DEERE & CO 26 Aug 1971 [26 Aug 1970] 40098/71 Heading A4C A forage harvester has a cutterhead 20, Fig.1 including at least one knife 34 co-operable with a stationary knife or shear-bar 24, each of the knives 34, 24 having an end surface 70, 74, Fig.2, terminating at a respective cutting edge 46, 48, and a face surface 66, 72 joining the respective end surface 70, 74 along the respective cutting edge, the end surface 70, 74 of at least one of said knives 34, 24 including a portion 76, 78 bounded by the respective cutting edge 46, 48 which has a greater wear resistance than the adjoining face surface 66, 72. The end surface 74 of the stationary knife or shear-bar 24 may lie in close proximity to the imaginary cylinder 36 defined by rotation of the cutting edge 46 so that the cutterhead to shear-bar clearance will not be affected by wear of the cutting edges 46, 48. Because of the wear resistance differential of the end surface hardfacing material 76, 78 e.g. tungsten carbide and the face surface 66, 72, the face surface will wear away from the cutting edge, as indicated by the dotted lines 80, 82 and thus perpetuate the sharpness of the cutting edge. Feed rollers 26, 28, Fig.1 deliver the crop as a mat to the cutterhead housing inlet 18 and the reduced crop is moved by an auger 52 along trough 54 to a blower 56 which blows the material out through a discharge spout 64.
Patent GB-1338463-A (GB)
Title: Wind-propelled watercraft
IPC: B63H13/00
Filed: 1972-08-21
Abstract: 1338463 Wind propelled vessels F N POTTER 21 Aug 1972 [28 Aug 1971] 40459/71 Heading B7V A wind propelled vessel includes a body of streamlined construction, an airscrew mounted at the rear of the body for rotation about a horizontal axis parallel to the longitudinal axis of the vessel, and drive means connecting the airscrew to a waterscrew located at the front of the vessel. As described a vessel 1 has twin hulls 4 connected by platforms 2, 3, and an airscrew 6 rotatably mounted in pylons 5 carried by the rear platform 3. A flexible drive 8 connects the airscrew 6 to a waterscrew 7 at the front of the. vessel. The airscrew 6 may be multi-bladed, as shown, or twin-bladed (not shown) and its pitch is much less than that of the waterscrew 7.
Patent GB-1477870-A (GB)
Title: Arrangements for limiting the speed of a vehicle to a predeter mined value
IPC: B60K31/18
Filed: 1974-09-17
Abstract: 1477870 Throttle pedal linkages REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT 17 Sept 1974 [20 Sept 1973] 40575/74 Heading FIB [Also in Division B7] A vehicle is provided with a device for limiting its speed to a predetermined value, the device being provided with means for allowing the predetermined value to be exceeded and for allowing the speed to fall below such value when required. The device comprises a motor 1 having an output shaft 4 rotatable in two directions and which mounts a lever 3. A further lever 10 is mounted for relative rotation on lever 3 by a shaft 9 and portions 11 and 5 of the levers are urged into engagement by a spring 12 so that under normal conditions the levers move as a unit. A rod 15 pivoted to lever 3 is slidably received in a tube 22 which mounts a clevis 21 having elongate apertures 23 engaged by a shaft 20 on the accelerator pedal. Micro switches 6, (25), Figs. 3 and 4 (not shown) respectively mounted on portion 5 of lever 3 and clevis 21 are respectively held closed by portion 11 and shaft 20. A normally closed micro-switch 5 is positioned to be opened on clockwise rotation of lever 3. The motor is controlled by a computer 29 which compares signals from a wheel speed sensor 30 and a speed selector device 31 adjustable by the driver, the computer issuing signals to relay 27 or 28 when the predetermined speed is exceeded or under cut. A switch 34 allows the control circuit to be by-passed. With switch 34 in the by-pass position 34b current passes via lines 37, 38, 33 to relay 28 which causes motor 1 to rotate levers 3 and 10 clockwise thus withdrawing rod 15 until lever 3 contacts and opens switch 8. The control circuit is now out of use and the accelerator pedal is free to move regardless of vehicle speed. When switch 34 is moved to position 34a, and with switches 6, 25 closed, the computer is operative and compares signals from 30, 31. If the  vehicle speed is greater than required computer 29 activates relay 27 and levers 3 and 10 are rotated to move rod 15 into tube 22 and thus into abutment with clevis 21 forcing the accelerator pedal up. Speed may then only be maintained or increased by extra pressure on the pedal which forces lever 10 anti-clockwise relative to lever 3 against the spring 12. Such action causes switch 6 to open and the computer to be deactivated. If the vehicle speed is less than required relay 28 is activated to cause withdrawal of rod 15, thus with foot pressure still applied to the pedal to maintain switch 25 closed the pedal will be depressed. If the driver suddenly wishes to reduce speed he lifts his foot from the pedal whereupon the return linkage 42 raises it and shaft 20 moves in elongate holes 23 opening switch 25 and cutting out the computer.
Patent GB-1032124-A (GB)
Title: Improvements to venetian blinds
IPC: E06B9/303
Filed: 1962-10-29
Abstract: 1,032,124. Venetian blinds. R. W. SKILTON. Oct. 24, 1963 [Oct. 29, 1962], No. 40817/62. Heading E1J. In a venetian blind the tilting mechanism comprises a ladder support for each ladder tape 15, 16, Fig. 2 and consists in a frame 1, Fig. 1, of hollow T-section carrying in the bearing holes 4 a rotatable shaft 5, Fig. 2, which is horizontal and perpendicular to the plane of the blind and either or both walls 15, 16 of the ladder tape is/are coiled around the shaft 5 and secured thereto as by C-spring 18 so that rotation of the shaft 5 causes relative vertical movement between the walls 15, 16 and a single drive such as the cords 10, 10<SP>1</SP> wrapped around a drum 9 on each shaft 5 causes when a cord is pulled, both the shafts to rotate together. The lifting and lowering cords 8, Fig. 4 secured at one end to a weight on the bottom of each ladder tape, passes over a roller 26 and co-operates with a cord locking member 29 in a box frame 22 and then over a roller having its bearings in the holes 6, Fig. I located below the holes 4.
Patent GB-1268556-A (GB)
Title: Glass bulb blow moulding ribbon machine
IPC: C03B9/12
Filed: 1969-08-15
Abstract: 1,268,556. Glass bulb blowing ribbon machine. TOKYO SHIBAURA DENKI K.K. 15 Aug., 1969 [19 Aug., 1968], No. 40846/69. Heading C1M. A glass bulb blow moulding ribbon machine comprises a plate conveyer 3, with orifice plates 3a for conveying semi-molten glass 9 in ribbon form, a blowhead device I including blowheads Ia travelling in a path over the ribbon, a mould conveyer (not shown) with moulds 25 operating in synchronism with the blowhead device I, there being provided above the blowheads for contact therewith, a compressed air storage vessel 11 for blowing the parison, Figs. 3 (3) and (4), a vacuum tank 12 for evacuating the parison, Fig. 3 (5) to form a neck thereon to allow unobstructed entrance to the mould 25, Fig. 3 (6), and a compressed air storage vessel 13 for final blow moulding of a glass bulb into the mould 25, Fig. 3 (7). Preferably, the blowheads Ia then pass to a further cool air tank 14 by which the bulbs are cooled. Specification 1,268,066 is referred to.
Patent GB-931394-A (GB)
Title: Process for the polymerisation of lactams
Inventor: BUCKLEY GERARD DUNSTAN
IPC: C08G69/20
Filed: 1960-11-29
Abstract: In a process for the alkaline polymerization of at least one monomeric lactam having at least six carbon atoms in the ring, wherein the lactam is maintained at a temperature above its melting point, a compound having the formula EF-G(OK)n-FE, where n is an integer from 1 to 10, E is a monovalent alkyl, aryl or aralkyl radical containing up to seven carbon atoms, which radical may contain one or more substituents which are inert in said polymerization reaction, and E may be different in each occurrence, F is a radical <FORM:0931394/IV(a)/1> where X, Y and Z are oxygen, sulphur or the imino radical and F may be different in each occurrence and G and K are divalent hydrocarbon radicals containing from 2 to 8 carbon atoms, which radicals may contain one or more substituents which are inert in said polymerization reaction and K may be different in each occurrence when n is greater than one. Specified lactams are S -caprolactam, enantholactam, capryllactam, dodecanolactam, a -methyl-S -caprolactam, b :d -dimethyl-S -caprolactam and b -phenyl-S -caprolactam.  Specified activators are bis-4:41-(ethoxycarbonyloxy)-diphenyl ether, 1:8-bis-(methoxycarbonyloxy)3:6-dioxaoctane and bis - [2 - (N - phenylcarbamoyloxy) - ethoxy] - 1:2-ethane.  The polymerization may be effected in the presence of finely divided metals, glass fibres or graphite.  In the examples, S -caprolactam is polymerized in the presence of sodium methoxide, methanol and:- (1) bis-[2-(N-phenylcarbamoyloxy)-ethoxyl]-1:2-ethane and (2) bis-4:41-(ethoxycarbonyloxy)-diphenyl ether.
Patent GB-1285253-A (GB)
Title: Joint packing strip
IPC: E04B1/68
Filed: 1970-08-28
Abstract: 1285253 Joint packing strips REHAU PLASTIKS GmbH 28 Aug 1970 [3 Sept 1969] 41476/70 Heading E1B A joint packing strip 1 having ribs 4, 5, a recess 6 and anchoring projectors 3 is made of synthetic rubber of soft polyvinyl chloride and provided with an internal insert 2 of hard plastics or steel. The side wall 7 of the strip may be stepped, see Fig. 2 (not shown).