baber/WOPTO huggingface dataset:
Patent GB-1128685-A (GB)
Title: Improvements in the manufacture of filter plugs
IPC: A24C5/34
Filed: 1966-04-18
Abstract: 1,128,685. Tobacco smoke filters. MOLINS CO. Ltd. and D. W. MOLINS. 17 April, 1967 [18 April, 1966], No. 16923/66. Heading A2C. [Also in Division G3] A filter tow FT is fed and stretched by pairs of rollers 11, 11 and 12, 12, the pair 12, 12 being driven in synchronism with the feed of a continuous paper wrapper 15 to a wrapped-rod forming mechanism 16 and a cut off 17, while the other pair of rollers, 11, 11 are driven at a slower speed which speed is controlled to vary the degree to which the tow FT is stretched in response to detected variations in the density of the filter tow. The airpermeability of the stretched tow FT is determined by suction produced by a fan 22 and applied via an air flow restrictor 21a and a suction chamber 20 that draws air through a section of the moving tow FT that contacts an air-permeable periphery of a suction drum 18. A Beta radiation source 34 and a detector 33 sense variations in the mass per unit length of the wrapped filter rod FR. Short term variations in the permeability of the tow FT and in the mass per unit length of the rod FR are transmitted, via a transducer 24 and an electrical connection 35a respectively, to a memory unit 25 which rejects cut plug lengths F the density of which fall outside the preset limits. An integrating chamber 27 produces a signal dependent on long term variations in the detected air-permeability of the tow FT which signal, via a known hydraulic amplifier 31, a lever 53 and link 49, and a known variable speed reduction gear 49, adjusts the drive speed of the rollers 11 and hence the degree of stretching of the tow FT in response thereto. Similarly, signals corresponding to long term variations in the Beta radiation detected density of the rod FR, forwarded by an integrating device 36, are used to actuate a reversible electric motor 38 that, via a threaded spindle 39 and a nut 40, and the lever 53 and link 49, also control the drive speed of the rollers 11.
Patent GB-881895-A (GB)
Title: New pyridine compounds
IPC: C07D213/53
Filed: 1958-05-27
Abstract: The invention comprises pyridine compounds of the formulae <FORM:0881895/IV (b)/1> <FORM:0881895/IV (b)/2> wherein R1 and R2 are 3-pyridyl or 4-pyridy radicals optionally bearing C1-3 alkyl substiuents, R3 and R4 are C1-5 alkyl radicals and X is a carbonyl group, functional ketonic derivatives of these compounds such as oximes, semicarbazones and thio-semicarbazones, and salts and quaternary compounds thereof, and mixtures of these compounds; and comprises also a process for the preparation of the above compounds by heating a diol of the formula R1R3.C(OH).C(OH).R2R4 or a salt thereof, i the presence of a strong Lewis acid and if desired, converting the resulting carbonyl compounds into functional derivatives and/or converting salts or functional derivatives into free compounds and/or converting resulting bases into salts or quaternary ammonium compounds and/or splitting resulting mixtures into their individual constituents at any stage of the process.  The compounds are used therapeutically (see Group VI) suitably in the form of their acid addition salts with inorganic and organic acids, of which many are specified.  Quaternary salts are obtainable by reaction with alkyl halides, sulphates or arylsulphonates.  Specified products include 2-methyl-1 : 2-bis-(3-pyridyl)-propan-1-one, 2 - ethyl - 1:2 - bis - (3 - pyridyl - butan - 1 - one, 3:3 - bis -(3 - pyridyl) - butan - 1 - 4:4 - bis - (3 - pyridyl) - hexan - 3 - one and 2 - methyl - 1:2 - bis - (4 - pyridyl) - propan - 1 - one and functional derivatives such as the oximes and quaternary salts thereof.  Bis-pyridyl diols of the formula R1R3.C(OH). C(OH)R1R3 used as starting materials are made by electrolytic reduction of the corresponding acyl-pyridines R1.CO.R3.  Specification 881,896 is referred to.ALSO:Hypoglycaemic pharmaceutical preparations comprise pyridine compounds of the formula <FORM:0881895/VI/1> and <FORM:0881895/VI/2> wherein R1 and R2 are 3-pyridyl or 4-pyridyl radicals optionally bearing C1-3 alkyl substituents, R3 and R4 are C1-5 alkyl radicals and X is a carbonyl group or functional ketonic derivatives such as oximes, semi-carbazones or thiosemicarbazones or salt or quaternary derivatives of these compounds (see Group IV (b)) in admixture with pharmaceutical organic or inorganic solid or liquid carriers for enteral, e.g. oral, or parenteral administration, suitably in the form of tablets, dragees, capsules, solutions or emulsions. Specification 881,896 is referred to.
Patent GB-186145-A (GB)
Title: Improvements in tipping gear for motor road vehicles
IPC: B60P1/16
Filed: 1921-06-21
Abstract: 186,145. Edwards, M. F. June 21, 1921. Tipping-vans.- In tipping-gear of the fluidoperated type for the bodies of motor road vehicles having one or more ram cylinders a with the rams h so mounted on the chassis frame b and connected to the tipping-body n that the cylinders can turn about an axial centre transversely of the body or frame and about axial centres at right angles to the other axial centre, stuffing-boxes are connected with the liquid supply pipe of the pump, and each of the ram cylinders has a part adapted to move about either of the axial centres. As shown, each cylinder a is mounted on trunnions c in bearings d on a frame e provided at its ends with trunnions f in bearings g supported on the chassis frame b. The rams h have spherical ends i engaging hollow sockets j of brackets k secured to the body n, and pass into the cylinders through stuffing-boxes &c. o. A force pump of the kind described in Specification 154,953 is connected by a pipe q to a stationary part r having bolted to it a gland r<1> freely surrounding a pipe, s fixed by one end to the block of the trunnion f and communicating therethrough by a passage, s' with a pipe t. The other end of the pipe s is flanged and surrounded by packing s<11>. The pipe t communicates with two similarly-constructed stuffing-boxes u, the pipes u' of which are fixed to the trunnions c of the cylinders a with which they communicate. The body is provided with four fork-shaped brackets co-operating with pivot, pins on the chassis frame, one at the front end and one at the rear end of each side, the brackets being normally locked on the pivots by removable, pins. By removing the appropriate pins, the body may be tipped to either side or to the rear.
Patent GB-258210-A (GB)
Title: Improvements in or relating to duplicating machines
IPC: B41L13/18
Filed: 1925-07-07
Abstract: 258,210. White, A. E., (Dick Co., A. B.). July 7, 1925. Inking-apparatus.-In a duplicating-machine of the type having a. drum carrying an inking-pad, and an ink reservoir within and d rotatable with the drum, a valved outlet, through which ink drops on to the pad when the reservoir is in one position, is provided in the reservoir. The drum 1, which carries a diaphragm 7, inking-pad 8, and stencil sheet 9, is formed by side-plates 5, 6 connected together by the diaphragm 7 and connecting-rods. Side-plates 12, 13 inside the drum are secured to the diaphragm 7 and to a plate 15 to form a sealed compartment 32. The plate 15 slopes upward towards the centre, and apertures 18 are formed along the raised centre line in alignment with apertures 26 in the bottom of the ink reservoir 25 which is mounted above the compartment 32. A valve-plate, 19, having apertures adapted to be brought into register with the apertures 18, 26 is mounted to slide between the compartment and the ink reservoir. The spindle 33 of the plate 19 extends through the plates 13, 6 and is provided with an operating- handle 34 outside the drum, a reduced portion 36 on the spindle being engaged by a finger secured to the wall 6 for the purpose of limiting the movement of the plate. After use, the relative positions of the compartment and ink reservoir are reversed to enable ink remaining on the pad to fall back into the reservoir.
Patent GB-223951-A (GB)
Title: Improvements in and relating to devices for estimating and indicating the moisture content of grain, seeds, tobacco and other substances
IPC: G01N5/04
Filed: 1924-03-29
Abstract: 223,951. Rowlands, H., and Setter, H. S. March 29, 1924. Apparatus fitted to drying - ovens. - Apparatus for giving a direct reading of the percentage of moisture driven off from grain, seeds, tobacco, or other substances by heating comprises a steelyard a from which a scale pan h is suspended in an oven r and which has a pointer m, bent transversely and moving over a scale n, and a sensitivity-adjusting screw p by which the scale graduations can be made to correspond with known decrements of weight. The oven can be raised to a definite temperature bv an electric heater u and is fitted, if desired, with an aspirator. The counter-weight k and sensitivity screw p may be so adjusted that the scale n shows percentages of the selected weight of material tested.
Patent GB-1138144-A (GB)
Title: Composite tube type heat exchangers
Inventor: KYDD PAUL HARRIMAN
IPC: F28F21/04
Filed: 1966-04-19
Abstract: 1,138,144. Pipe joints. GENERAL ELECTRIC CO. 19 April, 1966, No. 17027/66. Heading F2G. [Also in Division F4] A composite heat exchanger tube, able to withstand corrosive atmospheres and temperatures in the order of 2000‹ F., comprises an inner member 11, preferably metallic, and outer sleeve members 12, 12<SP>1</SP>, preferably ceramic, the inner member having a greater coefficient of expansion than the outer member and being spaced therefrom in the cold state. The outer members have an internal axial taper, with opposite ends abutting one another to form a joint 13. On subjecting the exchanger to external heat both members expand longitudinally and radially to the configuration shown in Fig. 2, wherein the inner member fits tightly against the outer members and a gap 14 is formed between the outer members, the gap, if necessary, being covered by any suitable joint structure, (Figs. 4-9, not shown). On cooling, member 11 is permanently deformed and this together with the taper of members 12 prevents the latter from sliding along member 11 and so ensures equal gaps between the same on subsequent heating. In use the composite exchanger tube may be connected to a header by means of an expansion loop, (54, Fig. 11, not shown), the loop being formed from an unclad extension of the metallic tube 11, or alternatively by means of a slip joint 56 effected between the header 52 and pipe 11, a bellows 55 or a spring, (58, Fig. 13, not shown), being interposed between the cladding and header. In an alternative embodiment, the ceramic cladding may be arranged within the metallic tube, in which case the former has a greater coefficient of expansion than the latter.
Patent GB-477285-A (GB)
Title: Improvements in waste heat recovery installations for the production of power
IPC: F01K23/06
Filed: 1936-06-19
Abstract: 477,285. Power plant. SPENCERBONECOURT, Ltd., and GREGSON, W. June 19,1936, No. 17061. [Class 7 (i)] [Also in Group XXVI] An installation for the production of power from waste gases leaving a furnace &c. A comprises a hot-air engine, such as a Stirling or Ericsson engine, or an exhaust-gas turbine B which receives the gases direct from the furnace and is coupled to an electric generator or other machinery, and a boiler C which is heated by the exhaust from the engine or turbine and generates steam for process work, &c. The installation may also include one or two superheaters F, F<1> located as shown. When the furnace gases are at zero or negative pressure an induced draught fan D, preferably driven by the hot-air engine after initial starting by an electric motor &c., is employed for maintaining a suction in the furnace and/or overcoming resistance in the boiler.
Patent GB-401406-A (GB)
Title: Improvements in or relating to photographic developing processes and apparatus
IPC: G03D7/00
Filed: 1932-06-17
Abstract: 401,406. Developing-apparatus HALL, B. J., Stourton House, Dacre Street, London. June 17, 1932, No. 17134. [Class 98 (ii).] Apparatus for developing photographic layers with ammonia gas or other vapour produced by evaporating a liquid comprises a developing chamber having therein heated solid or perforated plates or surfaces between which the sensitive layer is carried on or between fabric bands or fabric-covered drums. In one form, prints are passed between endless bands A, A<1>, Fig. 1, carried by rollers in the casing B, plates D, D<1> being arranged on opposite sides of the bands and provided with heaters E, E<1>. In a modification, the lower band A<1> is dispensed with, the prints passing over a fixed plate. In a further modification, the prints are carried between a fabric-covered drum J, Fig. 3, and a curved guide D heated by heaters E, e<1>. To free the prints from clinging vapours they may be passed through a chamber having heaters adjacent to the path of the prints and an air- or water-cooled chamber below.
Patent GB-403629-A (GB)
Title: Improvements in or relating to radio receivers
IPC: H04B1/16
Filed: 1932-06-17
Abstract: 403,629. Wireless receiving-apparatus. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. June 17, 1932, No. 17220. Convention date, June 17, 1931. [Class 40 (v).] A mains-driven short-wave adapter, intended to be plugged in to the usual gramophone terminals on a mains-driven broadcast receiver, is provided with its own cathode-heating transformer for mains heating, but derives it HT supply from a suitable point on the broadcast receiver, e.g. one of the loud-speaker terminals.
Patent GB-145984-A (GB)
Title: Improved apparatus for cleaning and blacking boots and shoes
IPC: A47L23/05
Filed: 1919-07-09
Abstract: 145,984. Kinnear, N. W. July 9, 1919. Brushes combined with brushes and scrapers.- A boot-cleaning combination comprises two detachable, preferably circular, brushes C, D secured as shown cn a handle A by central pegs or screws fixed to the handle. A scraper as E is held by a screw-thread in a recess in the handle, or is fixed projecting from the end thereof, being covered by a screw cap when not in use. A hand-guard G may be provided. A pin or pins may be passed through the brushes and the handle-end, or through the centre of the pegs, further to secure the same.
Patent GB-380448-A (GB)
Title: Improvements in or relating to means for regulating the cutput of prime movers of electric generating plant
IPC: G05D13/00
Filed: 1931-06-13
Abstract: 380,448. Electric systems for transmitting mechanical power. ARMSTRONG WHITWORTH & CO. (ENGINEERS), Ltd., SIR W. G., Scotswood Works. Newcastle-on-Tyne, BECKETT, C. M., 55, Wordsworth Drive, Cheam, Surrey, and WATKINS, D. J., 103, Sunnyhill Road, Streatham, London. June 13, 1931, No. 17254. [Class 38 (iv).] Automatic regulation.-A means for regulating the output of prime movers of electric generating plant, particularly internal-combustion electric vehicles, comprises a valve 1 keyed to the fuel valve shaft, which is under governor control, and controlling the flow of fluid to a fluid motor 20 which adjusts a resistance in the excitation circuit of the generator. A second valve 14 is interposed in the fluid circuit and may occupy any of three positions under the control of electromagnets 36, 37 operated by hand. In the position shown in full, as the fuel is reduced, the field strength is increased. In the position b the port 16 is closed and owing to the presence of a non-return valve 32, the motor may only operate to reduce the field. In the position a, the fluid motor is cut off from the valve 1 and fluid passes from an external circuit through ports 26, 27 and 30, 31 to reduce the field to a minimum. The valve 14 may be replaced by two valves arranged one in each line to the motor 20, or two valves may be employed and the motor biased in one direction by a weight &c. The ports 3, 4 are provided with extensions such as 3a to facilitate small adjustments of the field. The electromagnets 36, 37 are combined with a current limit relay which picks up when the main current rises above a predetermined valve to prevent too high a current in the motors. Means are provided whereby the position of the valve 2 may be altered relatively to the governor shaft.
Patent GB-146171-A (GB)
Title: Chassis for heavy automobile vehicles
IPC: B60K5/00
Filed: 1920-06-25
Abstract: 146,171. Soc. Anon. Le Zebre. Jan. 15, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Transmission gear of invariable ratio.-In the chassis of a heavy motor-vehicle an engine, change-speed gear and differential driving-gear designed for a light vehicle are employed, additional reducing gear d<2>, d<4> being introduced between the differential gear d and the wheel-axles.
Patent GB-1471929-A (GB)
Title: Dispensing devices for thermoplastic material
IPC: B29B13/02
Filed: 1974-04-19
Abstract: 1471929 Dispensing thermoplastics materials NORDSON CORP 19 April 1974 [20 April 1973] 17357/74 Heading F1R [Also in Divisions B1 and B2] A spray gun 10, Fig. 1, of the type adapted to melt a solid feedstock such as an adhesive using a ram 18 to force the adhesive through a barrel 14 into contact with a block 16 heated by resistance elements 39, is provided with a control system including a pressure regulator valve 24 serving to limit to a predetermined level the pneumatic pressure from a line 22 driving a motor 20 for the ram, and a pressure switch 25, Fig. 5, also operatively connected to the line 22 and serving to close an electric circuit to energize the elements 39, if the circuit is otherwise closed with respect to an electric power source, thereby allowing the circuit to close only when pressurized air is present in the inlet line 22. Discharge of adhesive through a nozzle 31 is controlled by a needle valve 30 protected by a bellows seal 63 and operated by a trigger 33 against spring bias. The heater elements 39 are provided with a thermocouple 38 and the barrel 14 is colled by air from bore 48 passing to an annular chamber 23. The line 22 is provided with a filter 92. Pressure regulator valve. The valve 24, Fig. 2 comprises a poppet 112 slidably movable within a body 97 between a closed position where an inlet port 93 is sealed off from an outlet port 95, and an open position, the poppet being biased to an open position by a spring 113, ports 93, 95 being sealed from each other when pressure in line 22 exceeds a predetermined value. The poppet carries a sealing ring 118 on its neck section and since  cooling air is continually escaping from bore 48 through chamber 25 to atmosphere the poppet seeks an equilibrium position and reciprocates over a small distance. The equilibrium position of the poppet is some distance from its sealing edge 111. Pressure switch. The switch 25, Fig. 5, comprises a housing 129 defining a chamber and provided with a port 132, a switch 136 located outside the chamber, and a poppet 130 located within the chamber with its stem extending into the port, the stem being urged against spring lines into contact with the switch in response to air pressure within the chamber. The poppet is generally  T-shaped and carries a sealing ring 135 on its stem.  The switch 136 is of the snap action type and is normally open.
Patent GB-195033-A (GB)
Title: Improvements in emulsions and the method of preparing the same
IPC: C09K23/00
Filed: 1922-06-23
Abstract: A permanent emulsion, suitable for lubrication purposes, is prepared by mixing 40 parts of mineral oil with 59.5 parts of water and 0.5 parts of sodium oleate, and passing the emulsion formed through an homogenizer under high pressure.  Viscous oil may be heated before treatment.  Various ingredients (not specified) may be added after the formation of the emulsion.  The Specification as open to inspection under Sect. 91 (3) (a) comprises also the treatment of vegetable oils such as cottonseed, olive, corn, castor, or nut oil, and of oils derived from animal fats such as lard or tallow.  In addition to sodium oleate, other salts such as linoleates, stearates, and palmitates may be used. When water predominates, a soluble salt such as sodium or potassium oleate is used.  When oil predominates a salt, such as calcium or magnesium oleate, which is soluble in oil or forms a colloidal solution therewith, is used.  The proportion of the salt used may vary from 0.5-1.5 per cent.  This subject-matter does not appear in the Specification as accepted.
Patent GB-869052-A (GB)
Title: Improvements in or relating to unidirectional clutches
IPC: F16D41/30
Filed: 1959-05-21
Abstract: 869,052. Ratchet clutches. ETABLISSEMENTS AIME LEDIN. May 21, 1959 [May 21, 1958], No. 17400/59. Class 80 (2). A ratchet clutch, particularly for use in the rear wheel hub of a motor-assisted pedal bicycle or the like, comprises pawls 1 having pivot pins 1<SP>3</SP> engaging loosely in oversize holes 2<SP>3</SP> in a driven hub 2, heels 1<SP>2</SP> on the pawls engaging shoulders 2<SP>2</SP> on the hub when the noses 1<SP>1</SP> of the pawls are engaged by ratchet teeth 3 of a surrounding driving sprocket or the like. When the ratchet clutch overruns, as when the motor drives the bicycle or the like, inclined surfaces 31 at the backs of the teeth 3 alternatively engage the backs of the heels 1<SP>2</SP> and the noses 1<SP>1</SP> of the pawls, which oscillate about their pivot pins 13.
Patent GB-497675-A (GB)
Title: An improved method of and means for attaching a union-nut or the like to the end of another member
IPC: H04B15/02
Filed: 1937-06-23
Abstract: 497,675. Two-part couplings. K.L.G. SPARKING PLUGS, Ltd., and CARINGTON, C. M. June 23, 1937, No. 17518. [Class 38 (i)] [Also in Group XXVIII] A coupling-nut for connecting the casing 10 of an ignition lead to the body 14 of a sparking-plug is rotatably attached to the casing 10 by a split washer 24 which is threaded between gapped flanges 23, 22 on the nut and casing respectively. A knurled sleeve 16 is driven on to the body 15 of the nut to hold spring catches 19 which engage teeth 21 to lock the nut. Specilication 305,861, [Class 99 (i)], is referred to.
Patent GB-613233-A (GB)
Title: Improvements in and relating to aircraft actuators
IPC: B64C25/22
Filed: 1946-06-12
Abstract: 613,233. Aircraft actuators. ENGLISH ELECTRIC CO., Ltd., ALLWOOD, G. H., BALL, R. D., CROSS, J. E., and WOODFORD, C. G. A. June 12, 1946, No. 17550. [Class 4] [Also in Group XXX] In an actuator of the type described in Specification 587,460, the clutch 8, 9 is arranged coaxially with the screw jack spindle 4 and the gases for emergency operation are produced from a cartridge or capsule 13, mounted in, or directly adjacent to, the hollow end of the spindle 4, the pressure of said gases disengaging dog clutch members 8, 9 against the pressure of spring 11 simultaneously, with the outward movement of member 6.
Patent GB-598349-A (GB)
Title: Improvements in or relating to cooling systems for internal-combustion engines
IPC: F01P7/02
Filed: 1943-10-25
Abstract: 598,349. Cooling cylinders. DEHN, F. B. (Continental Motors Corporation). Oct. 25, 1943, No. 17556. [Class 7 (ii)] An air-cooling system particularly for an, engine having horizontal opposed cylinders comprising a cowling 21 enclosing the cylinders and secured to a fan and flywheel casing 16 and means for directing the air from the open base of the cowling upwardly between the cylinder fins and then latenally around the crank-case to the fan, baffles 26 being clamped around the cylinder fins 13 by bolts 27 and wire clips 28. The fan outlets 17, Fig. 4, are formed by a number of bars 40 spaced round the casing and of triangular section of which one side 41 conforms to the casing periphery and a straight side 42 and a curved side 43 are both inclined to a radial plane.