baber/WOPTO huggingface dataset:
Patent GB-902221-A (GB)
Title: Improvements in or relating to the production of extruded products such as tubes
IPC: B21C29/00
Filed: 1959-04-28
Abstract: 902,221. Extruding. CALOW, T., [trading as CALOW & CO., TH.]. April 28, 1959 [April 28, 1958], No. 14495/59. Class 83 (4). An extruded metallic product, particularly a steel tube, is made by pressurizing the material 5 to be extruded within a container 1 by high-pressure air or inert gas, and controlling the temperature of the material to render it viscous whereby it can be extruded by the gas pressure through a die 7. The container 1 has induction heaters 6 and is surrounded by a jacket 13 to provide an annular space for cooling water or inert gas 12. Die 7 which is exchangeable and spring mounted has separate heating means 8 and co-operates with a hollow mandrel 9 which is reciprocable for opening or closing the die orifice. Cooling water or inert gas 11 is passed through the mandrel. Molten steel introduced into the chamber through inlet 2 is first degassed to remove impurities through a connection 3 leading to an extraction pump. Pressure gas at 1000 atmospheres is then admitted through inlet 2 and the temperature is controlled to render the steel viscous. The mandrel 9 and container may have relative longitudinal and rotary movements for mixing the steel and for gauging its viscosity. The steel is then extruded into a tube 14 which is cooled by the water or gas flow 11, 12. If it is desired to stop extrusion before the container is empty, the steel therein is over-heated in the region of the die and the die orifice then closed by the mandrel. Alternatively, a plug may be used. Several containers mounted on a rotary table may be used successively.
Patent GB-891601-A (GB)
Title: New water-soluble pyrimidylamino dyestuffs and processes for dyeing therewith
IPC: C09B62/20
Filed: 1959-04-28
Abstract: The invention comprises water-soluble dyestuffs which contain at least one mono-halogenonitropyrimidylamino group.  Dyestuffs specified are those of the mono-, dis- and poly-azo, anthraquinone, nitro and phthalocyanine series containing one or more ionogenic solubilising groups, including metallized azo dyestuffs containing cobalt, chromium and copper.  The dyestuffs are made by treating a water-soluble coloured compound containing at least one amino or monosubstituted amino with at least one molecular proportion of a dihalogenonitropyrimidine for each amino group, or by a coupling reaction wherein either the diazonium compound or the coupling component or both contain at least one ionogenic solubilising group and at least one mono halogenonitropyrimidylamino group.  The dyestuffs dye and print cellulose textile materials such as cotton, linen or viscose rayon and nitrogen-containing textile materials such as wool, silk, regenerated proteins and polyamides from aqueous solution in conjunction with a prior, simultaneous or subsequent treatment with an acid-binding agent, preferably at elevated temperature. The dyestuffs are also dye nitrogen-containing textile materials and modified polyacrylonitrile materials from weakly acid to neutral dyebaths.  Specifications 529,847, 569,200, 589,118, 717,137, 724,212 and 805,562 are referred to.
Patent GB-1077175-A (GB)
Title: Selective oxidation of acrolein dimer
Inventor: SKELLY WILLIAM GEORGE
IPC: C07C51/34
Filed: 1965-04-06
Abstract: An alpha-hydroxyglutarate is prepared by reacting, in an alkaline aqueous medium in the presence of a catalyst consisting of (a) metallic silver, or (b) silver oxide supported on a base metal oxide, a mixture of molecular oxygen and ozone with (1) acrolein dimer, or (2) 3,4-dihydro - 1,2 - pyran - 2 - carboxylate prepared in the medium in the presence of the catalyst by reaction of acrolein dimer with molecular oxygen.  The alpha-hydroxyglutarate so prepared may be converted by acidification at a pH below 7 to hydroxyglutaric acid or lactone. Said hydroxyglutarate, acid or lactone may be reacted with ammonia at above 200 DEG  C. to form ammonium pyrrolidone - 5 - carboxylate which may subsequently be hydrolyzed to glutamic acid.
Patent GB-150825-A (GB)
Title: Improvements in or relating to apparatus for converting alternating electric currents into direct currents and vice versa
IPC: H02M3/40
Filed: 1919-06-10
Abstract: 150,825. Calverley, J. E., and Highfield, W. E. June 10, 1919. Commutator switching-arrangements; phasechanging.-In converting apparatus of the type in which a set of transformer windings are interconnected to form a closed circuit and connected to commutating-gear in substantially the same manner as that in which the winding of a Grammering armature is connected to its commutator, such as is described in Specification 140,853, an additional exciting-winding or set of windings, connected to an alternating-current supply circuit, is provided on the transformer. In the arrangement shown, for converting direct current of one voltage to direct current of another voltage, separate commutators or sets of commutators are provided for the ordinary primary and secondary windings of the transformer. The low-voltage circuit II is connected through slip-rings H, J and a commutator E to windings Z on the three-phase transformers A, B, the windings Z being interconnected to one another and to the segments of the commutator to produce the succession of phase angles between successive segments indicated in the phase diagram, Fig. 2. The windings X, Y are similarly connected to commutators C, D which are in series with each other and connected by slip-rings F, G to the high-voltage circuit I. The exciting- windings L are supplied with current from the three-phase mains a, b, c which also supply current to a synchronous motor K<1> driving the shaft K on which the commutator brushes are mounted. An adjustable coupling K<3> may be provided between the low voltage and the high voltage commutators, or the segments of one commutator may be adjustable relatively to those of the other.
Patent GB-510750-A (GB)
Title: Improvements in and relating to the reproduction of recorded sound
IPC: G11B7/00
Filed: 1938-05-17
Abstract: 510,750. Optical sound-reproducing apparatus. R. C. A. PHOTOPHONE, Ltd., SINCLAIR, A. T., and BUSH, E. J. May 17,1938, No. 14719. [Class 40 (ii)] Apparatus for reproducing either from " standard photographic sound records or from " push-pull" records alternatively comprises means for altering at will the direction of a light beam modulated by the record, so that when a standard record is in use, the beam may be directed on to an optical device which concentrates the whole beam on a single light-responsive element, or, when the record is of the push-pull type, the beam may be directed on to a beam-splitting device which produces two components and concentrates them separately on different light-responsive elements. As shown diagrammatically in the Figure, light modulated by the record 13 is reflected by a fixed prism 14 on to a movable prism 17 which can be rotated into either of two positions. In that shown, the prism 17 directs the beam through a lens 24, which concentrates the whole beam on the element 22 of the photo-electric cell 23. By rotation of the prism 17, the beam can be directed on to a third prism 18 combined with a beam splitting device 19, 20, so that two component beams are directed separately on to the light-sensitive elements 21, 22, for pushpull reproduction. Specification 450,502 and U.S.A. Specification 2,109,453 are referred to. The Provisional Specification refers to Specification 406,872, and also describes several alternative arrangements. In one of these, a single lens is provided for concentrating the light beam on one light-responsive device, and in its place may be substituted a double prism lens adapted to split the beam into separate beams acting on different light-responsive devices. In another arrangement, a movable shutter, which may have reflecting mirrors &c. mounted thereon, is in proximity to the line of division between the two tracks of a push-pull record, and may be moved when required, to mask one of the light-responsive devices. A further modification consists in providing means such as a tilting lens, prism, &c., to change the direction of the modulated beam as required.
Patent GB-400701-A (GB)
Title: Improvements in and relating to sliver-can filling devices
IPC: B65H54/80
Filed: 1932-05-25
Abstract: 400,701. Rotating and packing arrangements for sliver-cans. KINNEAR, P. M., 142, City Road, Dundee. May 25, 1932, No. 14798. [Class 120 (iii).] Sliver-can filling mechanism comprises revolving tables 2 for carrying the sliver-cans B, Fig. 1, dual pawl actuating members 14, mounted upon oscillating levers 5 and devices whereby the pawls are automatically set to rotate the tables 2 intermittently through one revolution first in one direction and then in the opposite direction. The dual pawls 14 actuate ratchet wheels 4 mounted below the turntable 2, and the levers 5 which are connected together by a rod 6 are oscillated about the centre of rotation of each turntable by means of a rod 7 secured to the crank pin 8 of a crank disc 9 which is rotated through gearing 10, 10a, 12a, 12b from a shaft 13. Each pawl 14 is pivoted at 14a on its lever 5 and comprises arms a, a<1> and a central arm b below the arms a, a<1> and extending beneath the turntable 2 and its ratchet wheel 4, while a projection 16 extends vertically below each table 2. As shown, Fig. 1, the cans are being rotated clockwise and this intermittent rotation continues until the pin 16 contacts with the arm b and forces the pawl 14 to rotate about its pivot 14a, removing the arm a<1> from operative engagement with the ratchet wheel 4 and engaging the arm a therewith so that the cans will then be rotated anticlockwise until the pins 16 again effect a reversal of the pawls 14. A catch-lever 24 is provided in order that the packing or tramping member 20, which is operated through the levers 21, 21a by the cam 22, may be retained in its raised inoperative position. The lever 24 is loosely mounted on a stud 26 and is adapted to engage a projection 21b on the lever 21a to hold the member 20 in its raised position. A weighted lever 25 having a slot 25a engaging a pin 27 on the lever 24 is also loosely mounted on the stud 26, and serves to retain the lever 24 in its operative or inoperative positions.
Patent GB-195888-A (GB)
Title: A motion transmitting system for motor vehicles
IPC: B60K17/10
Filed: 1922-05-26
Abstract: 195,888. Krogsgaard, C. A. May 26, 1922. Drawings to Specification. Guarding against unauthorized use.-A handle controlling an hydraulic clutch and a reversing gear is formed as a key for a cylindrical lock, so that when the key is withdrawn the mechanism cannot be operated.
Patent GB-268190-A (GB)
Title: Improvements in or relating to leak preventing seals
IPC: F16J15/42
Filed: 1926-06-14
Abstract: 268,190. Masterson, M., and Markel, O. June 14, 1926. Stuffing - boxes, substitutes for; leakage, recovering; boxes.-Breaking of a centrifugal seal for a turbine, pump or other revolving shaft is prevented by withdrawing leakage fluid from behind the seal. A stationary sleeve 25 carrying a disc 21 is enclosed in a chamber 11, 12, carried by the shaft, and containing mercury or other liquid. The sleeve 25 is secured to the casing by a flange 26 and may replace an ordinary stuffing-box. The wall 11 of the sealing chamber is radial and the wall 12 inclined; the disc 21 being correspondingly shaped. The wall 12 terminates in a trough 23. Leakage is removed from the space between the wall 11 and the disc 21 by a pipe 43, which, in the case of a pump, may lead to the suction side.
Patent GB-633410-A (GB)
Title: Improvements in holders for electrical circuit components
IPC: H01R33/76
Filed: 1946-05-17
Abstract: 633,410. Holders for discharge tubes. PHILIPS LAMPS, Ltd. May 17, 1946, No. 14972. Convention date, March 25, 1942. [Class 38 (i)] The contacts 3, 4 of a holder 1 have tags 14, 15 at both ends so that connection can be made at both ends of the holder and for making additional insulated connections ; the 'holder base 2 is provided also with conductors 10 which protrude on both sides of an apertured plate 12. The conductors 10 are secured in bosses 9 which are fitted into recesses 11 forming part of the plate aperture 13.
Patent GB-1004284-A (GB)
Title: Basic dyes containing hydrazinium groups
Inventor: ENTSCHEL ROLAND
IPC: C09B51/00
Filed: 1962-04-18
Abstract: The invention comprises dyes of formula <FORM:1004284/C4-C5/1> wherein A is the radical of a dye free from carboxylic and sulphonic acid groups, y is a substituted or unsubstituted methylene group or a divalent radical bound to N through such a methylene group, R1 and R2 are independently hydrogen or a methyl group, n is 1 or 2, m is 1 or 2 when n is 1, or 2 when n is 2 and X is an anion equivalent to the dye cation.  The dyes are prepared by (a) reacting 1 mol. of a compound of formula B-(y-E)n, wherein B is A or the radical of a compound permitting by azo coupling or condensation the formation of a dye A and E is the acid radical of an ester, with n mols. of a compound of formula <FORM:1004284/C4-C5/2> or (b) quaternating a compound of formula <FORM:1004284/C4-C5/3> or quaternating and alkylating a compound of formula <FORM:1004284/C4-C5/4> with an agent yielding methyl groups or (c) reacting 1 mol. of an amine of formula <FORM:1004284/C4-C5/5> wherein R3 and R4 are independently hydrogen or a methyl group with n mols. of chloroamine or bromoamine.  In each case when B is not A the preparation of the dye is completed by an azo coupling or condensation reaction.  The dyes may be used to colour oils, lacquers and plastics in the mass; in the form of insoluble salts to pigment cellulose acetate and polyacrylonitrile fibres, but are preferably used to dye polymers containing more than 80% of acrylonitrile.  In examples, the preparation of mono- and disazo, anthraquinone, nitro, heterocyclic dimethine, azomethine, styryl and quinophthalone dyes is described.ALSO:The preparation of compounds containing N,N - dimethyl - hydrazinium groups, which are used in the preparation of dyes (see Division C4), is described.  In examples: (1) the compound of formula <FORM:1004284/C2/1> wherein K is a grouping of formula <FORM:1004284/C2/2> is prepared by refluxing N-ethyl-N-b -chloro-ethyl-aniline with 1,1-dimethylhydrazine in methanol; (4) the compound of formula <FORM:1004284/C2/3> is prepared by reacting 1 mol. of di-[b -(di-methylamino)-ethyl]-aniline with 2 mol. of chloramine.  The compound of formula <FORM:1004284/C2/4> is prepared by reacting N-b -chloroethyl-N-ethyl-m-toluidine with monomethyl-hydrazine.
Patent GB-434290-A (GB)
Title: Improvements in means for supporting showcards and the like
IPC: G09F1/14
Filed: 1934-05-22
Abstract: 434,290. Brackets. COX, W. J., 82, Ben Boyd Road, Neutral Bay, Sydney, Australia. May 22, 1934, No. 15230. Convention date, May 22, 1933. [Class 52 (v)] [See also Groups XVIII and XV] A frame 5 for showcards or the like is supported on a counter 14 by a leg 8 having tongues 10 engaging in slots 13 formed between a metal strip 12 and 'the edge of the counter.
Patent GB-624862-A (GB)
Title: Improvements in or relating to perforation of sheet material for use in computing orlike machines
Filed: 1946-05-20
Abstract: 624,862. Punching record-cards. HOFGAARD, R. May 20, 1946, No. 15235. [Classes 31 (i) and 31 (ii)] [Also in Group XIX] A card adapted to be provided with perforations representing letters or code signs for use in statistical, book-keeping and like machines is constructed of a metal sheet mounted on a non-conducting backing, and perforations are formed in the metal sheet by melting or evaporating the metal by contact with pins 1 mounted in a frame 2 comprising plates 3, 4, 5 of insulating material secured together by distance bars 10, Fig. 4. The pins 1 are connected to coupling pins 7 connected to a source of electricity and with control means for selectively energizing the pins 1 which are arranged in sets of three staggered relatively to one another. The card 9, Fig. 3, is arranged in front of the pins with means for moving the pins and card relatively to one another. The pins 1 are pressed outwards by springs 11, Fig. 4, which are arranged alternately between the plates 3, 4 and 4, 5.
Patent GB-110752-A (GB)
Title: Improvements in Internal Combustion Engines.
Inventor: DAWE GEORGE SAMUEL
IPC: F02B53/00
Filed: 1917-10-22
Abstract: 110,752. Dawe, G. S. May 25, 1916, [Convention date]. Fixed-abutment type; working- fluid supply; cooling; packing.-An internal-combustion engine of the sliding-rotating piston type has a pair of coaxial cylinders with sliding- rotating pistons 28 which engage stationary cam surfaces 3, 11 at the centre and ends of the cylinders, respectively. Carried by the cam surfaces are rollers 34, 35 against which vertical faces 31 of the pistons bear. The pistons are secured to a sleeve 25 which slides over and rotates with the central driving-shaft 12. Admission and exhaust valves (not shown) are actuated by cams 46 on a half-speed shaft 23. Packing rings are fitted on the pistons 28 and the casing has cooling jackets provided.
Patent GB-1430765-A (GB)
Title: Control systems for fuel systems for engines
IPC: F02D41/04
Filed: 1972-04-04
Abstract: 1430765 Automatic control of speed CAV Ltd 21 March 1973 [4 April 1972 (2)] 15342/72 and 15343/72 Heading G3R [Also in Division H3] In a system for controlling the fuel supply of an I.C. engine the transducer used to measure the position of the fuel pumps actuating rod comprises a variable-coupling transformer whose primary winding is energized by a squarewave oscillator including the transformer primary winding and a resistor/capacitor network connected in parallel and switched between third and first supply lines in one stable state and between third and second supply lines in the other stable state. The oscillator includes first and second supply lines 12, 13 and a third supply line 11 whose potential is midway between the potentials on lines 12, 13. The switching time is determined by the resistor/capacitor combination 24, 21 which controls the build up and decay of voltage on the base of transistor 17 thus providing changeover of the bi-stable switching arrangement. The voltage applied to the ends of winding 36 will be of squarewave form. The control system for the fuel supply is similar to that described in Specifications 1416861 and 1416862.
Patent GB-477610-A (GB)
Title: An improved device to enable a person to breathe whilst on or under the surface of water
IPC: B63C11/16
Filed: 1936-06-02
Abstract: 477,610. Buoyant body attachments. NICHOLSON, P. June 2, 1936, No. 15392. [Class 77] [Also in Group VI] An inflatable rubber tube 25 of the shape shown is secured around the neck by a fastener 26 for use with a breathing apparatus during swimming.
Patent GB-375508-A (GB)
Title: Improvements relating to potato harvesting machines
IPC: A01D15/04
Filed: 1931-05-26
Abstract: 375,508. Harvesting potatoes. ULRICH, W., 4, Kurze Zeile, Dessau, Anhalt, Germany. May 26, 1931, No. 15393. Convention date, June 16, 1930. [Class 6 (iii).] Potatoes are lifted from the ground by a share a and with associated soil are passed on to two interoscillating grids b, c of transverse bars. The ends of each grid are connected to the main frame by springs, the springs k supporting the grid b being longer and arranged at a greater inclination than the springs l supporting the grid c. The grids are reciprocated by a resilient bifurcated rod s connected to a crank on a shaft o driven from the main axle and mounted in resilient brackets. The grid b is provided with a laterally extending discharge extension f.
Patent GB-403017-A (GB)
Title: Improvements in and relating to boiler furnaces and the like
IPC: F23L9/00
Filed: 1933-05-27
Abstract: 403,017. Supplying air to furnaces. LUKS, R. E., 139, Boulevard St. Germain, Paris. May 27, 1933, No. 15409. Convention date, Jan. 23, 1933. [Class 51 (i).] In apparatus for supplying heated air to a furnace comprising a header 8 above the firebridge 1 and if desired at the sides of the furnace, the header or each header being adapted to discharge approximately equal quantities of air from a number of lateral orifices 16<1>, 16<2>, 16<3> .. of equal area, the sectional area of the air passage in the header diminishes from the inlet end and the outer edges 14 of curved elbow branches 13<1>, 13<2>, 13<3> .. leading to the orifices project into the air passage to ensure an equal distribution of the air. The header 8 comprises two parts, an external part 9 preferably of metal and serving to preheat the air and an internal part 10 preferably of refractory material provided with the outlet orifices 16<1>, 16<2>, 163 ... The external part is itself in two sections 9<1>, 9<2>, connected by a sleeve 11, the parts 9 and 10 being connected by plug and socket joints and by screws 29. The decrease in sectional area of the air passage is shown at S', S2, S<3> ... In order to direct the air on to the fuel on the grate 3, the orifices are downwardly inclined. An air-pressure gauge 27 and a resistance 28 controlling the motor 5 of the supply fan 4 are mounted on the front of the furnace.
Patent GB-1081158-A (GB)
Title: Improvements in and relating to a sealing construction for compressor elements
IPC: F04D29/16
Filed: 1966-04-06
Abstract: 1,081,158. Seals. UNITED AIRCRAFT CORPORATION. April 6, 1966 [April 21 1965], No. 15442/66. Heading F2B. [Also in Division F1] A seal between the rotor and stator of, for example, a compressor of a gas-turbine, comprises a pair of flanges 38, 40 which extend axially from the rotor 10 and co-operate with fins 42, 44 disposed on opposite sides of a stator member 32 to provide metering gaps 46, 48, air to the seal being supplied through one or more vanes 24 having openings 26. The arrangement is such that as expansion occurs in the rotor, one set of gaps decreases as the other set increases. The controlled flow of air passing through the seal may be used for any desired sealing or cooling purpose within the engine. The air is bled from the diffuser outlet 4 of the compressor and is directed through openings 47 in a chamber 30 to the seal. Further fins 54 on a sealing flange 52 co-operate with the outer surface of the flange 40 and permit air to re-enter the gas path.
Patent GB-684109-A (GB)
Title: Improvements relating to electric plug and socket connectors
IPC: H01R31/02
Filed: 1950-06-21
Abstract: 684,109. Two-part couplings. NETTLE ACCESSORIES, Ltd., and GOODLIFFE, J. G. June 20, 1951 [June 21, 1950], No. 15474/50. Class 38 (i). A socket-outlet adaptor has contact pins projecting from one face and contact clips provided in three other faces, none of these three faces being opposite to the first-mentioned face, whereby withdrawal of subsidiary plugs from the contact clips does not disturb the adaptor. The adaptor comprises a recessed body 1 accommodating at one end the earth pin 4 to which are connected by a strip member three plug-in receiving contact clips 5, 6, 7, the clips 5, 6 being adjacent slots 12, 13 in the body 1 and clip 7 adjacent a slot 14 in a cover 2, the latter retaining the pin 4 and contacts 5, 6, 7 in position. Live pin 15 is connected to contact clips 21, 22 by a plate 20 in the opposite end of the body 1 and by an offset portion 17 to a clip 19. Live pin 16 is connected to one end of a cartridge fuse 24, the other end of which is connected through a clip 26 to contact clips 28, 29, 31, the arrangement being as described in Specification 684,110.
Patent GB-1022996-A (GB)
Title: Improvements in or relating to sewers, drains and like pipe-lines or conduits
Inventor: KAYE FRANK
IPC: F16L55/11
Filed: 1962-04-24
Abstract: 1,022,996. Pipe stoppers. HEPWORTH IRON CO. Ltd. July 18, 1963 [April 24, 1962], No. 16505/62. Heading F2P. A stopper 1 fits with a slight clearance in the branch 4 of a pipe, sealing being effected by a ring 6 located in a peripheral groove 5 of the stopper. A rib 8 extends across the outer end of the body 2 of the stopper and has holes 9 for the insertion of a bar affording a hand grip. In a modification, Fig. 3 (not shown), the groove is formed in a surrounding covering of the body 2.