baber/WOPTO huggingface dataset:
Patent GB-568230-A (GB)
Title: Improvements in or relating to the production of n.n -disecondary alkyl p-phenylene diamines
Filed: 1942-08-27
Abstract: N : N1 - di - secondary alkyl - p - phenylene diamines are prepared by heating p-phenylene-diamine with a dialkyl ketone in the presence of hydrogen and a hydrogenation catalyst at a temperature of 100-200 DEG  C. and at elevated pressure.  The reaction may be conducted in the presence of a solvent such as an alcohol, an ether, a hydrocarbon or in the presence of an excess of the particular ketone used.  In examples: (1) para - phenylene - diamine is reacted with acetone in the presence of a copper chromite catalyst in a high-pressure autoclave at 140-170 DEG  C., at 1200-1600 lbs./sq. in. hydrogen pressure.  Instead of acetone methyl ethyl ketone or methyl-n-propyl ketone may be used; (2) p-phenylene-diamine and acetone are reacted as in example (1), but using isopropyl alcohol as a solvent; (3) p-phenylene-diamine is reacted with methyl n-propyl ketone at 134-139 DEG  C., under 1020-1940 lbs./sq. in. hydrogen pressure in the presence of a copper-chromium - barium oxide catalyst; (4) p-phenylene-diamine and acetone are reacted in the presence of isopropyl alcohol and a Raney nickel catalyst at 125 DEG  C., under 1200-2140 lbs./sq. in. hydrogen pressure; (5) as in example (4), using varying proportions of ingredients.
Patent GB-552191-A (GB)
Title: Fireproof cable and method for its manufacture
IPC: H01B3/08
Filed: 1941-09-20
Abstract: 552,191. Electric cables. PLANER, V. Sept. 20, 1941, No. 12177. [Class 36] A fireproof cable comprises a single or stranded conductor A of Cu, Al, &c. with or without insulation A<SP>1</SP> which is preferably fireproof and may comprise glass silk, glass wool or raw asbestos fibres impregnated preferably with synthetic resins. Around the conductor is a flexible fireproof fibrous material B comprising asbestos wool or felt, or glass wool or felt, or both, and a filling comprising kaolin, steatite, mica powder, talc, magnesia, &c., or mixtures thereof ; the fibres may be felted before combining them with the filling, as by compressing them with a fireproof binder. A helically-wound fireproof ribbon B<SP>1</SP>, or metal threads, may surround the material B, and the whole is enclosed in tube C of metal, such as Fe, Cu, or Al or alloys thereof, which is formed of a strip folded longitudinally around the core, with its overlapping edges C<SP>1</SP>, C<SP>2</SP>, folded over to form a sealed joint which preferably includes a tape, thread or wire of metal, rubber, gutta-percha &c. The tube may be coated to protect it against corrosion and may have grooves C<SP>3</SP> to give added flexibility. The cable may be made on a machine comprising frames E, F, frame E having drums E<SP>1</SP>, E<SP>2</SP>, E3, drum E<SP>1</SP> supplying the conductor A, insulated or not, and drums E2, E3, supplying bands or threads to build up the material B ; frame F carries a drum F<SP>1</SP> supplying strip to form the tube C, guide rollers F<SP>2</SP>, a folding device F<SP>3</SP> and a take-off pulley F', the folding device F<SP>3</SP> applying the material B and also shaping the tube C in one or more stages. The strip forming the tube C may be heated to 200-300‹ C. before bending and the device F<SP>3</SP> may also be heated ; the anti-corrosion coating may be applied while the tube C is hot by passing the cable through a liquid mixture of bitumen, stearin pitch, asphalt &c. with oils and, if desired, solvents.
Patent GB-474386-A (GB)
Title: Improvements in or relating to television and like receivers
IPC: H04N5/10
Filed: 1936-04-29
Abstract: 474,386. Television; cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and PLAISTOWE, D. L. April 29, 1936, No. 12216. [Classes 39 (i) and 40 (iii)] Synchronizing signals, distinguished by their amplitude from the picture signals are isolated by applying the received signal to deflect a cathode ray over a plurality of targets, the synchronising impulses thus producing pulses on the different targets. The received signal is demodulated at 1, Fig. 1, and applied to the deflecting plates 5, 6, of a cathode-ray tube having three targets 11, 12, 13. The picture signals deflect the cathode ray to target 13, while the line and frame synchronizing signals being of greater and different amplitudes deflect the ray to targets 12, 11, which control the line and frame deflecting oscillation generators 25, 20. Where the synchronizing signals are not distinguished from each other by amplitude, they may be converted into signals of different amplitude, then separated by tuned circuits, and applied to different deflecting electrodes to isolate them from the picture signals. A screen 14 may be provided to prevent secondary emission from the targets 11, 12, 13. When the synchronizing signals correspond to zero carrier, the modulated carrier is applied to the deflecting plates 5, 6, Fig. 2, which deflects the ray over three targets 11<1>, 12<1>, 13<1>, so that with zero carrier, the ray 'rests on the target 12<1> to provide a pulse. The line and frame synchronizing impulses may be distinguished by frequency discriminating circuits 35, 36. In a modification, the cathode ray sweeps over three targets 11<1>, 12<1>, 13<1>, Fig. 3, and the highfrequency pulses produced on 11<1>, 13<1> are byepassed by condenser 30. At zero carrier, the ray rests on 12<1>, and the voltage on 11<1> 13<1> therefore rises and frame synchronizing pulses are developed at 37, over the tuned circuit 42, 35. Similarly, the high-frequency pulses developed on 12<1> are byepassed by condenser 30, and the line frequency synchronizing impulses are developed at 38, over the tuned circuit 36, 41.
Patent GB-880872-A (GB)
Title: Improvements in textile drafting apparatus
Inventor: MACKIE JOHN KAY PRINGLE
IPC: D01H5/40
Filed: 1957-04-15
Abstract: 880,872. Textile drafting-mechanisms. MACKIE & SONS Ltd., JAMES. July 15, 1958 [April 15, 1957; Oct. 28, 1957], Nos. 12253/57 and 33581/57. Class 120(2) In drafting-apparatus having slow and highspeed sections, one driven at constant speed and the other at a speed varied in accordance with variations in sliver thickness, the variable-speed section is driven from the constant speed section through a differential drive, the third shaft of which is driven at a speed dependent on these variations, preferably through a variable speed motor. The drafting-rollers, e.g. 4, are driven at constant speed from a main driving-shaft 3 and faller bars 11 and feed-rollers, e.g. 10, are driven at a lower variable speed from a differential gear 21, the input shaft 23 of which is also driven by the shaft 3. The variations in the speed of the output shaft 22 are provided by a third shaft 26 geared to the output shaft 29 of a hydraulic pump and motor of the kind described in Specification 765,081. The speed of the shaft 29 is varied by the movement of an arm 35 which is controlled from apparatus 44 of the kind described in Specification 880,871. This receives indications of the thickness of sliver in rollers 36 and transmits them, after an interval equal to the time taken for the sliver to reach the drafting- zone, to a member 51 which is linked to the arm 35. Thus the speed of the shaft 26 is varied according to the thickness of sliver in the drafting-zone: as this speed is algebraically added to that of the shaft 23, the speed of the roller 10 and bars 11 are varied accordingly. The arm 35 may be set so that the speed of the shaft 29 is at zero or in its middle range when the thickness of the sliver is of predetermined average value: in the former case, the shaft is driven in one direction or the other as the position of the arm varies.
Patent GB-201624-A (GB)
Title: Improvements in and relating to the manufacture of condensation products from carbazole and ªÐ-nitrosophenol and its derivatives
IPC: C07D209/88
Filed: 1922-05-02
Abstract: The condensation of carbazole with p-nitrosophenol or its homologues or derivatives in the presence of a condensing agent is effected by bringing the reacting bodies together at a temperature below -5 DEG C. and maintaining the same below 0 DEG  C.; a temperature of about -20 DEG  C. is preferred and is maintained constant throughout the reaction; one component in a finely divided solid state may be added to a sulphuric acid solution of the other, or sulphuric acid solutions of the components may be mixed; the products are preferably isolated by pouring into dilute alkali.  In an example powdered carbazole is added to p-nitrosophenol dissolved in sulphuric acid of 93 per cent strength at -20 DEG  C. and the indophenol isolated by pouring into dilute ammonia.  The products yield sulphide dyestuffs of greater purity than those from indophenols prepared at higher temperatures.  Specification 2918/09 is referred to.
Patent GB-708935-A (GB)
Title: Improvements in or relating to conveyor systems
Inventor: BROOKS ROBERT JOHN
IPC: B65G17/20
Filed: 1951-05-25
Abstract: 708,935. Rectilinear-motion bearings. KING, Ltd., G. W. April 24, 1952 [May 25, 1951], No. 12369/51. Class 12(1) [Also in Group XXX] In a trolley for use in an overhead conveyer system (see Group XXX), the rollers 13 are each supported by two sets of ball bearings 21, 22 which are spaced apart by a ring 23 and held in position by a flange 24 on the roller spindle 12 and a collar 25 associated with a retaining washer 26. A channel section sealing ring 27 extends around the flange 24, being a close fit on the flange and resting with a close fit against the inner surface of the bore of the roller. A closure cap 28 is sprung into position in a recess formed in the inner face of the roller. The right-hand roller shows an alternative construction in which the ring 27 and cap 28 are dispensed with and a flange 29 is formed on the roller so as to have a small clearance between its periphery and the outer surface of the flange 24.
Patent GB-483192-A (GB)
Title: Process for the dehydrogenation of aliphatic hydrocarbons
IPC: C07C5/32
Filed: 1937-04-30
Abstract: Aliphatic hydrocarbons are dehydrogenated by contacting them for periods of 0,1-6 seconds at 450-700 DEG  C., with a granular catalyst comprising a major proportion of a refractory carrier of low catalytic activity supporting a minor proportion of a more active catalyst selected from compounds, particularly oxides, or vanadium, columbium, and tantalum.  The carriers and conditions of treatment are similar to those described in Specification 483,184. Specifications 333,975, [Class 1 (i)], 409,312, 466,609, and 483,185, also are referred to.ALSO:Aliphatic hydrocarbons are dehydrogenated by contacting them for periods of 0,1-6 seconds at 450-700 DEG  C. with a granular catalyst comprising a major proportion of a refractory carrier of low catalytic activity supporting a minor proportion of a more active catalyst selected from compounds, particularly oxides, of vanadium, columbium, and tantalum.  The carriers and the conditions of treatment are similar to those described in Specification 483,184.  Specifications 333,975, [Class 1 (i)], 409,312, [Group III], 466,609, and 483,185 also are referred to.
Patent GB-169744-A (GB)
Title: Improvements in electrically driven winches
IPC: B66D1/12
Filed: 1920-05-05
Abstract: 169,744. Scott, W. H. May 5, 1920. Winches.-The drum of an electric winch is driven by a worm-wheel 5 gearing with a worm 4<a> on the motor shaft 4. The armature of the motor is mounted on a flanged extension 8 of the casing 9, which encloses a worm and wormwheel, and carries the bearings 9<a> for one end of the drum shaft and for the worm.
Patent GB-314170-A (GB)
Title: A new or improved machine for cleaning paint cans and like containers
IPC: B08B9/08
Filed: 1928-04-28
Abstract: 314,170. Grice & Sons, Ltd., W., and Huddleston, R. R. April 28, 1928. No Patent granted (Sealing fee not paid). Cans, cleaning. - A machine is adapted to clean simultaneously a number of paint cans or similar containers, by means of inserted solvents or scouring material, of both under the influence of combined rocking and rotating movements of the containers. In the duplex rocking frame, shown, the containers h rest on channel arms d carried by brackets e on a shaft l which is supported by arms m rotatably mounted on pivot pins c. The base of each container is held by a rotatably-mounted socket g and the lid is engaged by an adjustable centre point i. The frame is rocked by means of the levers m, connecting rods n, cranks o, gear wheels q, r, and a driven shaft s. The sockets g are provided with ratchet wheels w adapted to be engaged by pawls x mounted on two rods z -which are actuated, against the influence of counterweights, through the medium of levers 2 connected to chains 3. so that as the frame is rocked the containers are intermittently rotated. Reference has been directed by the Comptroller to Specifications 2700/89, [Class 21, Casks &c.]; 24329/93 and 21004/96.
Patent GB-305417-A (GB)
Title: Improved catamenial appliance
IPC: A61F6/14
Filed: 1928-04-28
Abstract: 305,417. Spardel, E. April 28,1928. Catamenial appliances pessaries.-A catamenia appliance comprises a pouch d connected by a tube b terminating in a funnel a adapted to be inserted in the vagina and to lie against the uterus. The funnel a is of soft rubber, and is provided with annular ribs a<1> below which its thickness increases gradually to the junction with the tube b. The funnel is turned back before insertion to an extent limited by a rib b<1> integral with or secured to the tube b, and springs back on removal of the pressure after insertion. The lower end of the tube b is provided with ribs b<2> over which is sprung a bush c<2> on a shallow elliptical cup c of comparatively rigid material having a beading d' over which the pouch d is sprung. The cup c is provided with apertures c<3> near the bush c<2>. The pouch d may contain absorbent material. The longer side of the pouch is mounted in front. The appliancemay be used as a pessary; in this case an ointment or cotton saturated with a medicament may be inserted in the funnel a. The pouch d may be replaced by a soft rubber bag which may be secured in position by stretching over the flange b<1>.
Patent GB-1419835-A (GB)
Title: Suppository
IPC: A61K9/02
Filed: 1973-03-15
Abstract: 1419835 Administering medication H H GROVES 15 March 1973 [27 March 1972] 12612/73 Heading A5R A device suitable for applying a medication to the anal canal, comprises first and second body-indissolvable bulbs connected by an elongate body-indissolvable flexible connecting member, and a body-indissolvable medication carried around the connecting member, characterised in that the connecting member together with the medication has any cross-sectional area thereof smaller than each of the respective largest cross-sectional areas of said first and second bulbs. In the embodiment shown in Fig. 3 the bulbs 12 and 13 are connected by a tubular member 14. In use, the device is inserted into the anal canal until the bulb 13 engages the sphincter muscle. The provision of the bulbs 12, 13 maintains the device securely in the anal canal while the medication 16 slowly dissolves. The conical end 12' of the bulb 12 assists insertion. The device is given rigidity during insertion by locating a member 19 in the hollow tubular member 14. The member 14 may be injection moulded with the bulbs or it may be secured thereto by welding. The device of Fig. 4, (not shown), has a connecting member (24) provided with several smaller bulbs (28). The embodiment of Fig. 5, (not shown), has a connecting member (34) in the form of a nylon thread which extends through the bulb (33) to provide a tail portion (40) which assists in removal of the device. The embodiment of Fig. 6 has a connecting member 44 in the form of a thread which is provided with smaller bulbs 48, 48', adjacent the bulb 42, which support additional medication 46'. The embodiment of Fig. 7, (not shown), has bulbs (52, 53) connected by a thread (54) and has openings provided in the bulbs and in the medication (56) for receiving a rigid insertion member (59). The medication (56) of this embodiment extends in shallow layers (56, 56') around the bulbs. Fig. 8, (not shown), depicts a device having bulbs (62, 63) connected by an elastomeric thread. The embodiment of Fig. 10, (not shown), is provided with an absorbent swab (76) adjacent the bulb (33).
Patent GB-219120-A (GB)
Title: Improvements in wheel construction
IPC: B60B1/00
Filed: 1923-05-11
Abstract: 219,120. Fairley, J. r. May 11, 1923. Spring wheels with continuous outer rigid ring and metal springs other than helical and volute springs; compressionspoke wheels.-Resilient wheels of the kind in which the centre is formed of metal plates 3 disposed perpendicular to the plane of the wheel with their middle portions fixed to the nave and their extremities secured directly or indirectly to the rim are arranged so that adjacent outer ends of pairs of plates 3 are fixed to intermediate points in inwardly curved metal plates 6 secured to and subtending a segment of the rim. Each pair ot plates 3 forms the equivalent of a spoke. In wheels with large naves 4, the plates 3 are bent and secured as shown, but in lighter wheels, shaped members are fixed to the hub and the plates 3 are bent to fit the shaped members.
Patent GB-702114-A (GB)
Title: Electric switching devices
IPC: H01H13/18
Filed: 1952-05-19
Abstract: 702,114. Contact-members for switches. TELEMECANIQUE ELECTRIQUE. May 19, 1952 [July 25, 1951], No. 12665/52. Class 38(5) A changeover switch unit or contact assembly for a contactor, circuitbreaker or controller having a number of such units, comprises a lever 8 adapted to move between fixed contacts 11, 12 and normally maintained by spring pressure against the contact 11 and a fixed pivot member 6, actuation of the lever being effected by an operating member acting on a blade 16 or other member interposed between the lever and the operating member and maintained by spring pressure in abutting engagement with the lever at a point adjacent the pivot. Both spring pressures may be provided by a single spring 18, the bias of which may be adjusted by a nut 17. The blade 16 abuts steel studs 8a, 8b on the lever 8. The unit may be actuated by a cam, or as shown, by a thrust member 19 on a pivoted arm 20, which when turned applies an operating force to the lever 8 through the blade 16 and stud 8a on the side of the pivot remote from the spring but adjacent to the pivot. Should the member 19 continue to move after the lever 8 has engaged the contact 12, lost motion is provided by the blade 16 pivoting about the stud 8a. The contacts 9, 10 carried by the lever, the fixed contacts 11, 12, the pivot 6 and its co-operating abutment 7 on the lever may all be of silver.
Patent GB-920755-A (GB)
Title: Basically substituted phenyl-thiocarbamic acid-s-esters
IPC: C07C333/02
Filed: 1961-04-07
Abstract: The invention comprises compounds of the general formula <FORM:0920755/IV(a)/1> (wherein X and Y, which may be the same or different, each represent a hydrogen or halogen atom or an alkyl, alkoxy, nitro or cyano radical, A represents a straight or branched alkylene radical, and R1 and R2 represent alkyl or cycloalkyl radicals or jointly form with N a heterocyclic ring containing a second nitrogen atom which carries a hydrogen atom or a C1-4 alkyl radical) and their acid addition salts and quaternary ammonium compounds, and the preparation thereof by reacting an isocyanate of the general formula <FORM:0920755/IV(a)/2> with a thioalcohol of the general formula HS-A-Z (wherein Z represents -NR1R2 or a halogen atom or a hydroxy, optionally protected amino, nitrile or carbonamide group), or an amine of the general formula <FORM:0920755/IV(a)/3> with a haloformic ester of the general formula Hal-CO-S-A-Z (wherein Hal represents a halogen atom), or a salt of a thiocarbamic acid of the general formula <FORM:0920755/IV(a)/4> with a reactive ester of an alcohol of the general formula HO-A-Z, and in all cases subsequently converting Z into -NR1R2 if it is not this already, and, if desired, converting the product into an acid addition salt or quaternary ammonium compound.  The products have inflammation-inhibiting properties.
Patent GB-274988-A (GB)
Title: Motor road vehicles having auxiliary means for clearing out the manhole traps or sumps of gas mains
IPC: B60P3/22
Filed: 1926-05-18
Abstract: 274,988. Taylor, F. W., (trading as Taylor & Co., A.). May 18, 1926. Tank carts.-A motor tank vehicle has an engine-driven pump for emptying gas-main sumps of the by-product liquids, and the discharge pipe 8 from the pump ends at 12 above the cup or opening 13 of the tank so that the state of the pump delivery can be seen. An air chamber is provided in the pump discharge pipe 8.
Patent GB-474766-A (GB)
Title: Improvements in or relating to liquid level indicators
IPC: G01F23/68
Filed: 1936-05-06
Abstract: 474,766. Variable resistances. CAMERON, I. R., and FUZZEY, N. DE P. May 6, 1936, No. 12796. [Class 37] [Also in Group XXXVIII] In a liquid-level indicator of the kind wherein a float operates a variable resistance connected in circuit with an indicator, the resistance is made up of two separate uninsulated coils 10, 11 which are wound on semi-cylindrical formers 12, 13 secured back-to-back on an insulating strip 14. A metal float 15 surrounds the resistance unit and carries contact rollers 30 shaped to fit the unit and the float assemblage forms a bridge piece between the two coils 10, 11. In order to facilitate accurate reading of the contents when the tank is tilted, several resistance units located at different points in the tank and connected in series may be provided. All the units may be arranged vertically or some may be arranged horizontally near the bottom of the tank.
Patent GB-243395-A (GB)
Title: Improvements in diaphragms for use in sound boxes or reproducers of phonographs or gramophones
IPC: G11B3/46
Filed: 1924-05-24
Abstract: 243,395. Sykes, A. F. May 24, 1924. Tool - arms and mountings ; toolarms, attaching to diaphragms; soundboxes, mounting; damping vibrating members. - A diaphragm consisting of a sheet of rubber disposed on one or both sides of a stiffening sheet of mica, cardboard or other elastic solid or between two stiffening sheets and held in a ring removable from the sound-box, is impulsed at a number of points. The impulsing means may consist of a number of cords 10 attached to a plate 11 to keep them equally taut and a further cord 12 attached to the stylus lever 13. A single cord may be formed into loops engaging a hook on the stylus lever 13, as shown in Fig. XIX. For use with existing records it is preferred to employ a stylus lever wider in proportion to its depth than is usual. so that it is rigid for lower frequencies but high-frequency sounds proceed along the lever as a transverse wave. Resonance in such a lever may be diminished by encasing it in felt. The lever is set to give a larger magnification than usual, having a ratio substantially exceeding 2 to 1. The carrier arm 2 in a phonograph may be modified to provide for two rings in one of which the ordinary sound-box may be fixed and in the other a reproducer with a long lever 13. The stylus lever may be pivoted at 14 to the usual floating weight 15 or the float. ing weight may be dispensed with, Fig. XVI., and the stylus lever kept pressed on the record by a spring or rubber band 18. Specifications 4329/09, 1157/11, 120.409 and 151,717; and 227,162, [Class 40 (iv), Telephones &c.], are referred to.