baber/WOPTO huggingface dataset:
Patent GB-673072-A (GB)
Title: Improvements in or relating to gear mechanisms
Inventor: FLETCHER ARTHUR HOLMES
IPC: F16H3/60
Filed: 1949-03-08
Abstract: 673,072. Reversing gearing. ROLLS-ROYCE, Ltd. March 8, 1950 [March 8, 1949] , No. 6345/49. Class 80 (ii). A driving shaft 11 is adapted to drive a driven shaft 12 at the same reduced speed in either direction by means of twin sun gears 25, 26 engaging alternately with circumferentially spaced. planet pinions 29 on a freely rotatable carrier 27 which pinions are connected with a series of other planets 30 engaging an annulus 31 on the driven shaft 12. The planets 29 also engage with annular rings of teeth 17, 18 on a member 16. Either the member 16 or the carrier 27 is adapted to be braked and then held stationary by brake shoes and dog clutches 21, 20a and 35, 34a respectively to provide forward or reverse driving of the shaft 12. By providing the planet pinions 29 of a diameter three times that of the pinions 30 the same reduction ratio is obtained in both directions.
Patent GB-1132646-A (GB)
Title: Perinone dyes
Inventor: PFISTER XAVER
IPC: C07D471/04
Filed: 1966-02-14
Abstract: 1,132,646. Perinone dyes. SANDOZ Ltd. 14 Feb., 1966 [25 Feb., 1965; 5 Aug., 1965], No. 6346/66. Heading C4P. The invention comprises compounds of the formula where one of X and Y is a 1,8-naphthalene radical and the other is a 1,2-phenylene or 1,8- naphthalene radical, R 1  is a phenyl, naphthyl or cyclohexyl radical which may be substituted other than by carboxylic or sulphonic acid groups, n is 1 or 2 and X and Y may bear further monovalent substituents other than carboxylic or sulphonic acid groups. The compounds are prepared by acylating compounds of the formula with suitable carboxylic acids or functional derivatives thereof.
Patent GB-1425853-A (GB)
Title: Preparation of polymeric phosphazene derivatives having flame- retardant properties
IPC: C08K5/00
Filed: 1973-02-09
Abstract: 1425853 Liquid polymeric phosphazene derivatives FMC CORP 9 Feb 1973 [11 Feb 1972] 6411/73 Heading C2P [Also in Division C3] Substantially water-insoluble liquid polymeric phosphazenes are prepared by reacting a phosphonitrilate comprising groups of the formula representing both cyclic and linear oligomers in which n is at least 3 for cyclic oligomers and at least 2 for linear oligomers, at least some of X and Y represent the same or different OR groups where R is substituted or unsubstituted C 1 -C 12  aliphatic, C 4 -C 6  cycloaliphatic, or C 6 -C 10  aromatic groups, or heterocyclic radicals having up to 12 carbon atoms, the remainder, if any, of X and Y being halogen atoms, with a phosphorus halide: POX<SP>1</SP> 3 , PX<SP>1</SP> 3  or PSX<SP>1</SP> 3 , where X<SP>1</SP> is a halogen atom, or with a phosphonitrilic halide cyclic or linear oligomer comprising groups of the structure wherein X<SP>1</SP> is Cl or Br and n is as defined above at 50-200‹ C. In another embodiment, the products are obtained by self-reaction at elevated temperature, e.g. 50-200‹ C., of compounds comprising groups of the Formula I above representing both cyclic and linear oligomers in which n is as defined above and X and Y are as defined above and in which 10 to 90 mol. per cent of the X and Y substituents are halogen whereby there is a concomitant increase in the weight percentage of phosphorus in the polymeric phosphazene product. In each type of process the reaction may be carried out in an inert solvent or diluent, e.g. octane or chlorobenzene. The reaction may also be carried out in the presence of copper metal, e.g. an active copper powder, as catalyst and the extent of reaction can be monitored by measurement of organic chloride evolved or analysis for residual chloride. The products generally comprise phosphazene units randomly linked together by an oxygen bridge connecting phosphorus atoms of neighbouring units. In examples the radical R is n-propyl. The products are useful as flame retardants for regenerated cellulose filaments and filamentary articles.
Patent GB-1410835-A (GB)
Title: Process for the production of omega-ureidocarboxylic acids
IPC: C07C273/18
Filed: 1973-02-09
Abstract: 1410835 Omega-ureidocarboxylic acids BADISCHE ANILIN- & SODA-FABRIK AG 9 Feb 1973 [10 Feb 1972] 6432/73 Heading C2C An omega-ureidocarboxylic acid is produced by reacting an omega-lactam with urea in the presence of an alkali, e.g. NaOH, KOH, and in the presence of an inert solvent, e.g. water or a C 1  to C 4  alkanol or mixtures thereof, at elevated temperature, and recovering the free omegaureidocarboxylic acid from the resultant salt by treatment with a mineral acid or acid ion exchanger. Exemplified is the producton of #- ureidocaproic acid, γ-ureidobutyric acid and 8- ureidocaprylic acid from caprolactam, pyrrolidone-(2), and caprylolactam respectively.
Patent GB-267517-A (GB)
Title: Improvements in automobile wheels
IPC: B60B3/02
Filed: 1927-03-08
Abstract: 267,517. Blanloeil, F. B. March 9, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Disc wheels.-A dished disc 4 is formed integral with a rim 1 and one retaining flange 2, the opposite edge of the rim 1 being bevelled to iorm a seat for a detachable flange 10 which is secured by bolts 14 engaging mating lugs 8 on the flange and wheel. The flange lugs are formed with open slots so that the flange may be assembled or removed without completely detaching the nuts 18. Figs. 2 and 4 show the opposite dishing of the disc for a front and rear wheel respectively, reinforcing webs 7 being provided in both forms across the rim and disc. The rim 1 is formed with transverse grooves 19.
Patent GB-1220660-A (GB)
Title: Improvements in or relating to apparatus for conditioning waste paper and the like
Inventor: POWELL WALTER NOEL
IPC: D21D1/32
Filed: 1968-01-12
Abstract: 1,220,660. Baling waste paper &c. W. N. POWELL, A. F. POWELL, and H. ANDERTON. 12 Jan., 1968, No. 6477/70. Addition to 1,218,029. Heading B5F. In the device described in the parent Specification the weight of the plate (6) or conveyer (16) (see Figs. 1 and 2 respectively of Specification 1,218,029) is supplemented by tension spring or other means for further controlling the pressure exerted on the material on the conveying means (14).
Patent GB-281909-A (GB)
Title: A new or improved starting device for magnetos of internal combustion engines
IPC: F02P5/06
Filed: 1927-03-08
Abstract: 281,909. Woosnam, A., (Oy Suomen Magneto). March 8, 1927. Magnetos, driving -A trip-starting de vice for an ignition magneto is so ar. ranged that all the working parts of the snap mechanism ex. cepting the externally located actuating stop, are assembled on the armature so as to form with it an integral unit which can be slipped into or taken out of the magneto as a whole. In the form shown, 1, Fig. 1, the end of the armature and 29 is the driving shaft bored to receive the armature shaft 28 and carrying a flange 30 on which is a spring 17 attached at one end to the flange and at the other to the armature by screws 31. A weighted lever 5 pivoted on the armature end at 3 normally rests, as shown in end view in Fig. 2, against a central boss 26 and with its lighter end 5<1> extended so as to be held by an external pin 16 when the driving shaft urges the armature at slow speed in the direction of the arrow 15 through the spring. At a later point in the rotation of the shaft 29, a pin 12 on the flange 30 presses against the heavy end of the lever 5 and rocks it so as to remove the protruding end 5<1> from abutment on the pin 16 whereupon the stressed spring twists the armature rapidly. At higher speeds the lever 5 swings centrifugally so that its end 5<1> is drawn in and held against a stop 27 on the armature.
Patent GB-291536-A (GB)
Title: Improvements in or relating to electrical connecting devices
IPC: H01R33/46
Filed: 1927-03-08
Abstract: 291,536. Bray, A., and Bray & Co., Ltd., G. March 8, 1927. Two-part couplings.-In order to improve the contact between a resilient plunger e of a lampholder or coupling and the guide c in which it slides, the guide is slit longitudinally at d and presses resiliently upon the sides of the plunger. The plunger has an enlargement e<1> that coacts with a shoulder c<2> formed on or pressed from the end of the guide c. The enlargement e<1> or shoulder c<2> may be bevelled at one or both ends to facilitate insertion and withdrawal of the plunger. The plunger and guide form a unit detachable from the terminal block.
Patent GB-118814-A (GB)
Title: Improvements in Stone-cutting Tools.
Inventor: HOPE JOHN
IPC: B28D1/00
Filed: 1918-04-19
Abstract: 118,814. Hope, J. April 19, 1918. Tools and toolholders.-In a tool for cutting emery and other stones, the journals 4 of the cutting wheel or wheels 5 have bearings in removable plugs 6 fitted in sockets in the tool head and looked by a cover 8. The cover 8 is adjustably held by pins 9 and slots 10 and carries rods or wires 11 which pass through perforations in the tool head and engage apertures in the plugs 6. Slots 7 on the inner side of each socket allow the cutters, journals, and plugs to be inserted in assembled position.
Patent GB-1498606-A (GB)
Title: System for diminishing the emission of noxious gases
IPC: C01B17/90
Filed: 1976-02-20
Abstract: 1498606 Removing SO 3  from plant exhaust gas; scrubber STAUFFER CHEMICAL CO 20 Feb 1976 [21 Feb 1975] 06761/76 Headings B1L and B1R Sulphur trioxide gas is removed from the exhaust gas of a sulphuric acid plant by treating the exhaust gas in an absorber and/or scrubber and passing it through a mist eliminator in a tank and when the mist eliminator is overloaded spraying liquid sulphuric acid onto its outer surface to absorb SO 3 . In Fig. 1, exhaust gas is introduced at 10 and passes through the mist eliminators 5 and out of the tank at 11. When excess SO 3  enters, sulphuric acid is pumped through conduit 13 and spray nozzles 31-38. The mist eliminators conventionally comprise a packed fibre bed between two screens which may be concentric cylindrical or parallel flat screens.
Patent GB-1376829-A (GB)
Title: Regulated pump systems
IPC: F04B49/08
Filed: 1972-02-14
Abstract: 1376829 Hydrostatic pump control ROBERT BOSCH GmbH 14 Feb 1972 [10 March 1971] 6788/72 Heading G3P A variable delivery pump 13 is controlled at 12 by a servomotor 11 whose position is transmitted at 16 as a #p signal to an amplifier 18 also receiving a #p signal on line 19 from a switch 26 transmitting either a set point signal B or a weighted version of signal E according to whichever is the smaller. Amplifier 18 provides a #p signal to servovalve 14 controlling servomotor 11. Signal E is from amplifier 20 receiving a #p signal on line 21 from transducer 23 which multiplies pump output pressure on 24 by the servomotor position so that the signal on 21 effectively represents the power output, i.e. P x Q. Amplifier 20 also receives a #p set point signal on 22 and a signal on 30 from a proportional transmitter 29 when pump output pressure exceeds a set point from 31. The set points B, 22, 31 may be fixed or adjustable by electro-hydraulic transducers. Transducer 16 may be a flapper-nozzle unit supplied by an auxiliary pump, and transducer 23 may be a like unit supplied by pump 13. In a system with two pumps each controlled as above and driven by a common prime mover, the set point power signal to one pump represents the power available at the prime mover and has subtracted from it a signal representing the actual power output of that pump to provide a set point power signal for the other pump.
Patent GB-572819-A (GB)
Title: Improvements in and relating to echo sounding equipment
IPC: G01N29/06
Filed: 1944-04-13
Abstract: 572,819. Echo-sounders. HUGHES & SON, Ltd., H., SPROULE, D. O., and HUGHES, A. J. April 13, 1944, No. 6819. [Class 118 (ii)] [Also in Group XIX] In an echo-sounding apparatus using the same device for transmission and reception this device and a similar device which during the transmission period is electrically equivalent to the transmitter/receiver when loaded are connected to a transmitter driver in push-pull so that during transmission the electrical system is balanced. Fig. 2 shows the application of the invention to the detection of flaws, e.g. in a sample d in which it is desired to locate a flaw e. Signal impulses are passed by a quartz transmitter/receiver b to the sample and a second similar transmitter /receiver b<1> is coupled to a perfect sample d'. The transmitter/receivers are connected to the ends of the centre-tapped secondary a<2> of a high-frequency transformer, the primary of which is in the plate circuit of the gas discharge triode a<4> so that when a triggering impulse from a unit v is applied to the grid a<5> a sound signal is generated in both transmitter/receivers. The echo from the flaw e operates the vertical deflecting plates m of a cathode-ray oscillograph j through the amplifier g<1>, the horizontal plates k being excited by the time base which controls the unit v. In place of the quartz transmitter /receivers, magnetostrictive moving coil, condenser or other transmitter/receivers may be used.
Patent GB-918919-A (GB)
Title: Improvements in or relating to bobbin changing devices for looms
IPC: D03D45/20
Filed: 1959-03-02
Abstract: 918,919. Automatic bobbin-changing looms. VALENTIN PATENT-GESELLSCHAFT G.m.b.H., and TEXTILMASCHINENFABRIK SCHWENNINGEN G.m.b.H. March 2, 1959 [March 1, 1958], No. 7085/59 Class 142 (2). One bobbin of each colour is held in a bobbin carrier, Fig. 2, which swings about a pivot 45 when bobbin changing is initiated to bring the required bobbin under the transfer hammer 144. The bobbin carrier is normally locked in the position shown, in which the bobbin holders 64 register with the corresponding compartments 40-43 of the magazine, by a locking member 76 projecting between the supporting arms 51 of the bobbin carrier. To release the bobbin carrier, the member 76 is moved endwise of the shaft 45, whereupon leaf springs 77 mounted on the locking member grip the lowermost bobbin in each magazine compartment; the ends of the springs are shaped to enter conical recesses in the heads of the bobbins so as to lift the bobbins clear of those in the bobbin carrier. The bobbin carrier is swung the required amount in the required direction by energizing one of four electromagnets to project a plunger 120, Fig. 4, into the path of a vertically reciprocating slide 100; the plungers are mounted at different radii on opposite sides of the pivot of a toothed sector 110 meshing with a toothed sector 125 operating the bobbin carrier through a lostmotion coupling; during the lost motion, a cam moves the locking member 76 endwise as described above. The sector 125 also carries a cam 128 engaged by a follower 131 on a shuttle feeler 132; when the sector turns in either diection the follower runs off the cam to allow a spring to operate the shuttle feeler.
Patent GB-758041-A (GB)
Title: Process for the purification of streptomycin
IPC: C07H15/238
Filed: 1954-03-12
Abstract: Streptomycins are purified by adsorbing a streptomycin containing broth on a first cation exchanger, eluting the adsorbed streptomycin therefrom, adding to the eluate an alkaline earth metal sequestering agent in quantity at least sufficient to sequester the alkaline earth metal ions, adsorbing the streptomycin from the resulting solution on a second cation exchanger and then eluting a purified streptomycin from said second cation exchanger.  The streptomycin includes mannosidostreptomycin, dihydrostreptomycin and other streptomycins. Specified chelating agents are alpha amino acids such as ethylene diamine tetra-acetic acid, triglycine, glycine, sarcosine, polymers of ethylene diimino diacetic acid and phosphates such as sodium hexameta phosphate.  A bacteriostatic agent may be present in the fermentation broth, e.g. formaldehyde, sodium pentachlorophenol, 2,21-methylene-bis-3.4.6-trichlorophenol, phenylmercuric salts, e.g. nitrate and chloride, sodium ethylmercurithiosalicylate and mixtures thereof.  The broth filtrate is adjusted to pH 5.0 to 9.8, preferably 7 to 8, and passed through a column of a weak cation exchange resin having carboxylic groups, e.g. "Amberlite" (Registered Trade Mark) IR-50, and "Permutit" (Registered Trade Mark) 216.  The streptomycin is eluted with an aqueous mineral acid of pH over 8 preferably 9.0 to 9.5, the chelating agent added and the solution passed through a second column of the cation exchange resin. After washing with aqueous acid at pH 6, the streptomycin is eluted with aqueous acid of pH 2.0.  A final purification is obtained by passage through a column of a mixed strong acid cation exchange resin and an anion exchange resin.  Cobaltamines may be separated from the culture filtrate prior to the isolation of streptomycin.  Specification 687,476 is referred to.
Patent GB-1430699-A (GB)
Title: Vented container suitable for use as a fuel bowl of an internal  combustion engine carburetor
IPC: F02M5/08
Filed: 1974-02-18
Abstract: 1430699 Venting carburetter float chambers FORD MOTOR CO Ltd 18 Feb 1974 [26 March 1973] 7236/74 Heading B8V [Also in Division F1] The float chamber 29 has a vent tube 41 projecting to the centroid of its volume and the volume of the chamber above the centroid is such that the predetermined volume of fuel maintained in the chamber is prevented from escaping through the tube if the carburetter is inverted.
Patent GB-526116-A (GB)
Title: Improvements relating to aircraft undercarriages with resilient wheel mountings
IPC: B64C25/62
Filed: 1939-03-07
Abstract: 526,116. Aircraft undercarriages. AIRCRAFT COMPONENTS, Ltd., NICHOLL, E. J., and ARMSTRONG, W. March 7, 1939, No. 7413. [Class 4] An undercarriage comprises a quadrilateral frame of rigid elements arranged in the general fore-and-aft plane of the aircraft and consisting of links II, III, Fig. 2, pivoted to a rigid leg I and to a pillar IV for the landing wheel or element V, deformation of the frame operating a shock absorber VI. The frame may be a parallelogram. In the forms shown in Fig. 3, pairs of links 12, 13 are pivoted to a channelsection leg 11 and to a pillar 14, a shock absorber 16 being pivoted to the leg and pillar or to the links. The undercarriage may be retractable. Specification 105,477, [Class 4], is referred to.
Patent GB-430049-A (GB)
Title: Improvements relating to gate pivotal supports and catches
IPC: E05D5/02
Filed: 1934-03-09
Abstract: 430,049. Hinges. ASPINALL, F., 651, St. Helen's Road, Bolton, Lancashire. March 9, 1934, No. 7524. [Class 65 (ii)] [See also Group X] A gate hinge member or catch is mounted on the end of a flat bar adapted to be inserted between layers of bricks in a wall and provided at the end with an adjustable plate adapted to engage vertically between or behind the bricks so as to prevent endwise removal of the bar. In the form shown, the plate d, engaging behind the bricks, is screwed on the end of the bar b, and the bar has a lateral arm e provided with a similar adjustable plate g, engaging between the bricks, to increase the rigidity of the fixing. Other equivalent means of adjustably securing the plates d, g, such as clamping by set-screws, may be employed.
Patent GB-1457801-A (GB)
Title: Process for the production of alumina and alumina-silica fibers
IPC: C01F7/30
Filed: 1974-02-19
Abstract: 1457801 Alumina and alumina/silica fibres SUMITOMO CHEMICAL CO Ltd 17 Feb 1974 [20 Feb 1973 5 June 1973] 7560/74 Heading C1A A process for producing alumina or aluminasilica fibre comprises spinning a solution of a polyaluminoxane, or of a mixture thereof with one or more silicon-containing compounds, in an organic solvent selected from ethyl ether, tetrahydrofuran, dioxane, benzene, toluene, xylene or a mixture thereof, the polyaluminoxane being soluble in the organic solvent and having identical or different structural units of the general formula wherein Y is an alkyl group, an alkoxy group, an acyloxy group, or an optionally substituted phenoxy group, and when the structural units of the above formula are different Y may additionally be chosen from a halogen atom or a hydroxy group, and then calcining the resulting spun fibre, the silicon-containing compound when used being employed in an amount such that the calcined fibre contains not more than 60% by weight of silica. Group Y is preferably an alkyl, alkoxy or acyloxy group each having not more than four carbon atoms. In the examples, silicon compounds optionally mixed with polyaluminoxane are ethyl silicate, polydimethylsiloxane, γ - methacryloyloxypropyltrimethoxysilane and tetraethoxysilane. Calcining is preferably carried out at 700- 2000 C. in an atmosphere comprising free molecular oxygen with the fibre held under tension.
Patent GB-1486952-A (GB)
Title: Process for the preparation of a product derived from a polymeric material
IPC: C08F291/02
Filed: 1975-02-24
Abstract: Particles of free-flowing thermoplastic or elastomeric base material are caused to undergo a high-energy movement. Before or during this movement, the silane or the silane compound and, as additives, peroxides as graft initiators are added in liquid form. The temperature is kept so high, below the crystallite melting range, that all or some of the silane or silane compound and the additives penetrate into the surface of the base material for homogeneous distribution therein. The grafting of the silane or silane compound distributed in the base material onto the molecules of the base material is carried out by thermal treatment. In order to initiate the crosslinking, the mixture is subjected to the action of water.
Patent GB-1012606-A (GB)
Title: Improvements relating to electric soldering irons
IPC: B23K3/03
Filed: 1963-02-26
Abstract: 1,012,606. Soldering irons. H. E. LAMB. Jan. 9, 1964 [Feb. 26, 1963], No. 7686/63. Heading B3R. [Also in Division H5] In an electric soldering iron of the type in which the bit 43 fits into a collet 44 forming part of a hollow cylindrical metal former 22 on which the heating wire 21 is wound, the former 22 is mounted within a metal tube 33 and these members are detachably secured by studs 37, 38 to a part-cylindrical guide 25a integral with the main body of the iron. Assembly of members 22, 33 is facilitated by a key-hole slot 35 whose head 36 is aligned with the bore of a tubular support 8 so that heater connections 18a, 19a may pass therethrough to a junction block 10 mounted within the plastic parts 1, 2 of the handle. The block 10 is carried by the tubular section 23 of the support 8, which section and its fellow 24 enclose a ceramic tube 20 and are separated from one another by a heat barrier 25 comprising flanges 26, 27 joined by thin metal webs 28. Heat loss is further reduced by a low area of contact between the flanges 30, 31 of the former 22 and the tube 33. The guide 25a may be at right angles to the support 8 or may be aligned therewith, in which case the guide forms an extension of the support and the tube 33 is open at its end 34 to permit passage of the leads 18a, 19a to the block 10.