baber/WOPTO huggingface dataset:
Patent GB-1162780-A (GB)
Title: Polymerization Process
IPC: C08F36/04
Filed: 1968-08-15
Abstract: 1,162,780. Diene polymerization. TEXASU.S. CHEMICAL CO. 15 Aug., 1968 [6 Sept., 1967], No. 39045/68. Heading C3P. Dienes are polymerized or copolymerized in a solvent in the presence of hydrogen and an organolithium catalyst. When the diene is copolymerized, it is preferred that the solvent consists of a mixture of an inert hydrocarbon solvent and a polar solvent such as an ether, thioether or amine. In the example, butadiene and styrene are copolymerized in hexone, containing a small amount of tetrahydrofuran, in the presence of hydrogen and butyllithium. A thiobisphenol antioxidant is added to the product and water is also added to short-stop the reaction. The polymer is separated from the solvent by steam stripping, and is dried.
Patent GB-1470138-A (GB)
Title: Annular milling cutter having inwardly-directed cutting teeth
IPC: B23C5/00
Filed: 1975-09-24
Abstract: 1470138 Annular tool heads GFM GES FUR FERTIGUNGSTECHNIK UND MASCHINENBAU AG 24 Sept 1975 [23 Oct 1974 14 March 1975] 39068/75 Headings B3K and B3T A milling cutter assembly of annular configuration with radially inwardly directed cutting teeth comprises an annular rotary cutter carrier 2 adapted to be driven and on which is detachably secured an annular cutter 5 formed by at least two parts 5<SP>1</SP>, the parts being individually centered with respect to the carrier 2 by radially extending keys 10 positioned adjacent the joints 11 between the parts and at the midway position of their respective arcuate portions.
Patent GB-376229-A (GB)
Title: Improvements in or relating to fuel pumps
IPC: F02M59/26
Filed: 1930-12-30
Abstract: 376,229. Fuel-injection pumps. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Dec. 30, 1930, No. 39167. Convention date, Jan. 2. Void [Published under Sect. 91 of the Acts]. [Class 102 (i).] In fuel pumps in which the quantity fed is regulated by rotating the plunger the timing of the begin ning of the injection period is effected by providing an oblique front face 9 on the plunger head 4 In addition the timing of the end of the injection stroke may be similarly controlled by forming the bottom annular surface 20 with an oblique surface.
Patent GB-1522028-A (GB)
Title: Safety tyre and wheel rim assembly
IPC: B60C17/04
Filed: 1975-09-26
Abstract: 1522028 Tyre and wheel rim assemblies DUNLOP Ltd 17 Sept 1976 [26 Sept 1975 17 Oct 1975] 39438/75 and 42602/75 Heading B7C A pneumatic tyre and wheel rim assembly comprises a wheel rim without a well, a bearing. ring of channel section mounted on the rim, means integral with or separate from and engaging the bearing ring and contacting the tyre beads to retain the latter against the rim flanges and position the bearing ring axially of the and an annular support member mounted rotatably in the channel of the bearing ring .for supporting the tyre should the latter deflate. The support member may comprise a plurality of rigid arcuate segments coupled together at their ends. In the Fig. 1 embodiment the bearing ring 10 is in two halves 13, 14 and the base of its channel is provided with a layer 17 of P.T.F.E: on which the support member 18 rotates. Integral shoulders 15 on the bearing ring 10 contact the tyre beads. Alternatively, as shown in Fig. 2, the bearing ring 22 may be of one-piece construction, being positioned by rubber spacer rings 23, 24 engaged between the tyre beads and the ring. The annular support member may be constructed as described in Specification 1,375,415.
Patent GB-1470967-A (GB)
Title: Speed-responsive valves
IPC: F16K31/00
Filed: 1974-08-12
Abstract: 1470967 Valves LUCAS INDUSTRIES Ltd 12 Aug 1974 [21 Aug 1973] 39478/73 Heading F2V [Also in Division G3] A speed responsive valve which is not affected by fluid pressure forces acting thereon comprises a housing 10 having an inlet 11 and outlet 12 connected respectively to the outlet and inlet of an engine fuel pump and containing in bearings 15, 16 a ported rotor 17 carrying a control member 23 opening in response to centrifugal force. As shown, control member 23 comprises closure members 24, 25 threaded together with the interposition of shims 26 so as to simultaneously engage seats 19, 20 under the bias of spring 27. The centre of gravity of control member 23 is displaced from the rotor axis in the valve closed position such that when an engine driven shaft 28 exceeds a predetermined speed closure members 24, 25 unseat under centrifugal action. Thus fuel from the pump outlet is bypassed to the pump inlet via valve inlet 11, rotor ports 21, 29 and valve outlet 12, to reduce the engine fuel supply and thus its speed. The effective areas of closure members 24, 25 are such that the fluid pressures thereon substantially balance.
Patent GB-351927-A (GB)
Title: Improvements relating to the production and reproduction of combined sound and motion picture record films
IPC: G03B17/24
Filed: 1929-12-30
Abstract: 351,927. Kinematograph films; optical systems. CHRETIEN, H., 23, Rue Preschez, St. Cloud, Seine-et-Oise, France. Dec. 30, 1929, No. 39742. Convention date, Jan. 28. [Classes 97 (i) and 98 (ii).] The images on a kinematograph film of standard width bearing a sound record 5 are optically compressed laterally, during taking or printing, so as to provide space for the sound record. The images are restored to their normal shape during projection, and the taking and projecting systems comprise an objective 16, Fig. 6, a teleobjective, or a projective lens, and a pair of cylindrical lenses LL<1>. Specification 334,708, [Class 97 (i), Optical systems &c.], is referred to.
Patent GB-876036-A (GB)
Title: Stabilised polymethacrolein compositions
IPC: C08K5/375
Filed: 1958-12-11
Abstract: A resinous composition comprises a polymerization product containing from 75%-100% by weight of methacrolein and from 0%-25% by weight of a vinyl monomer copolymerizable therewith, the polymerization product having dispersed therein from 0,01%-5% by weight of a stabilizer which is a phenolic compound or a mercaptobenzimidazole.  The vinyl monomer may be acrylonitrile or ethyl acrylate and the phenolic compound may be phenol, a cresol, xylenol, naphthol or cumenol, carvacrol, thymol, eugenol, catechol, resorcinol, pyrogallol, hydroquinone, guaiacol, pyrocatechol, 2, 4-dimethyl-6-octylphenol, 2, 6-di-tert. butyl-4-methyl phenol, 2, 6- bis (21- hydroxy- 31- tert. butyl- 51-methylphenyl)- 4- methylphenol, 2, 6- bis (21- hydroxy-31- tert. butyl- 51- ethylbenzyl)- 4- methylphenol, 4- tert. butylcatechol, 2, 5- ditert. butylp-cresol, N-lauroyl-p-aminophenol, phenyl salicylate, 5-acenaphthenol, 2-tert. butyl-4-methoxyphenol, a -conidendrin, b -conidendrin, a -conidendrol, b -conidendrol, 2, 21-methylene-bis(4-ethyl-6-tert. butyl phenol), 4, 41-butylidene-bis (2-tert. butyl-5-methyl phenol), a , b -bis (2-hydroxy-5-methylphenyl) ethane, 2, 21-methylene-bis (4-methyl-6-tert. butyl phenol), 2, 21-dihydroxy-3-tert. butyl-1-isobornyl-5, 51-dimethyl-diphenyl methane, 2, 21-methlene-bis (tert. butyl-hydroquinone), 4, 41-methylene bis (2, 6-di-tert. butyl-phenol) or 4, 41-thio-bis (6-tert. butyl-m-cresol).  The mercaptobenzimidazole may be 2-mercaptobenzimidazole or 5-methyl-or 1-phenyl-2-mercaptobenzimidazole.  The stabilizer may be added to the polymer by direct mixing, by washing or digesting the polymer with a solution of the stabilizer, or preferably by adding a solution or dispersion of the stabilizer in an aqueous, alcoholic or organic solvent medium to a polymer dispersion prepared by polymerization in an aqueous medium in which the monomer but not the polymer is soluble, and then coagulating the methacrolein polymer from the polymerization medium.
Patent GB-1201773-A (GB)
Title: Improvements in or relating to spherical plug cocks
IPC: F16K5/06
Filed: 1967-09-04
Abstract: 1,201,773. Valves. ISTAG A.G. SUHR/AG. 4 Sept., 1967 [5 Sept., 1966], No. 40356/67. Heading F2V. In a rotary spherical plug cock, the plug 2 is mounted between opposed seats on the upstream and downstream sides, each seat comprising a seat ring 5 which sealingly engages the plug, and a separate sealing ring 7 on the outer side of the seat ring which has the form of a dished annular plate or washer in unstressed condition and which is springily mounted so that its inner rim bears resiliently on the plug to effect additional sealing. The ring 7 may be located in a recess of the valve body 1 as shown. In a modification the outer periphery of the ring is clamped between an end and a central part of a three-part body. The sealing ring may be of metal or plastics material particularly P.T.F.E. The seat ring may be of filled P.T.F.E. or filled graphite or of metal. In another modification, the seat ring is a composite ring of metal covered on three sides with P.T.F.E. The side of the seat ring next to the washer (20) is coned to give clearance for the washer which is retained by abutment with the seat ring. In a further modification the sealing ring is not dished, but has a thickened outer rim and the valve body may be relieved to allow deflection of the ring (12). The seat is of metal (10) with a plastics insert (11) and abuts the sealing ring. The alteration in conicity of the ring 7 between the unstressed and the assembled condition may be from 2 to 15 degrees.
Patent GB-907710-A (GB)
Title: Improvements in or relating to combustion chambers
Inventor: ORCHARD PETER FREDERICK
IPC: F23R3/34
Filed: 1958-12-15
Abstract: 907,710. Generating combustion products under pressure. BRISTOL SIDDELEY ENGINES Ltd. Dec. 14, 1959 [Dec. 15, 1958], No. 40403/58. Addition to 809,514. Class 51 (1). [Also in Group XXVI] An annular type combustion chamber to which air is supplied with a swirling motion around the axis of the chamber comprises an inner wall 22 and an outer wall 23 which provide an inlet at one end and an outlet at the other, and at least three concentric annular partitions 24, 25, 26 extend from the inlet along part of the axial length of the chamber so as to provide at least four passages 27, 28, 29, 30 each having an inlet and an outlet, the outlets of all the passages being within the combustion chamber and spaced from the outlet thereof. The innermost passage 27 and each alternate passage 29 are shaped to enable air to flow therethrough without substantial straightening of the swirling motion about the axis of the chamber and without substantial change of velocity, while the passage 28 adjacent the innermost passage, and each alternate passage 30 are shaped to provide a sudden increase of cross-sectional area at 28a and 30a respectively adjacent the inlet. The combustion chamber shown forms part of a gas turbine engine which comprises a compressor, two rotor discs 2, 3 of which carrying blades 4, 5 respectively and a turbine, a rotor disc 6 of which carrying blades 7 are shown. The regions of sudden enlargement 28a and 30a in the passages 28 and 30 are provided by radially-extending annular wall portions 31 and 32 respectively. Fuel injection devices 33, 34 supply fuel into the regions of sudden enlargement. Radially-extending aerofoil section vanes 17 are disposed between the last stage compressor rotor blades 5 and the inlet to the combustion chamber, and the vanes are disposed so as to lie parallel to the direction of air discharging from the compressor. The vanes 17 extend between an outer ring 16 and an inner ring 18 and afford a support means for the upstream end of the combustion chamber inner wall 22. The partition 24 is connected to the wall 22 by vanes 35, 36 and the partitions 25 and 26 are interconnected by vanes 37, 38, all the vanes 35, 36, 37 and 38 being disposed to lie parallel to the direction of swirl of the streams of dilution air flowing through the passages 27 and 29. The space 43 downstream of the passages constitutes a mixing zone, the gases issuing therefrom through nozzle guide vanes 15 to impinge on the turbine rotor blades 7. An outer air easing 12 is disposed around the combustion chamber and air tapped off through the gap 39 passes through holes 40 to the space between the casing 12 and the combustion chamber wall 23 and enters the combustion space through inlets 42.
Patent GB-1140773-A (GB)
Title: Improvements in or relating to thrust pad bearings
Inventor: BIELEC MATEUSZ KAZIMIERZ
IPC: F16C17/06
Filed: 1967-09-07
Abstract: 1,140,773. Bearings. GLACIER METAL CO. Ltd. 7 Sept., 1967, No. 40969/67. Heading F2A. In a tilting-pad bearing, each pad is pivotally mounted on a carrier-ring, the latter being supported by means of at least one thrusttransmitting chamber positioned between said carrier-ring and a support, the or each thrusttransmitting chamber having axially displaced end walls, one being adjacent said carrier-ring and the other being adjacent said support and having a flexible metallic wall or a pair of flexible metallic walls, the or each chamber containing fluid therein. In an embodiment each pad 7, Fig. 2, having a rib 7A, pivots on a carrierring 6 and is retained by means of a screw 8, a head 8A of which is received by a slot 7B in the pad 7. The carrier-ring 6 and a ring 9 together form two annular recesses which, when closed by means of annular outer and inner flexible side walls 12 and 13 of sheet metal, form, together with a clearance 11E provided between the barrier-ring 6 and the ring 9, a thrust-transmitting chamber 11. The walls 12 and 13 are each welded to the rings 6 and 9 and the latter is supported by a main support 1. In modifications the ring 9, Figs. 4 and 4 (not shown), and the support 1 are each formed in two approximately semi-circular parts, two thrust-transmitting chambers are formed and a pair of flexible side walls is provided; and flexible side walls 25, Fig. 6, of U-shaped cross-section are provided and are additionally secured to the carrier-ring 6 and the ring 9 by means of reinforcing rings 28.
Patent GB-1030083-A (GB)
Title: Closure cap handling mechanisms
IPC: B67B3/064
Filed: 1964-10-07
Abstract: 1,030,083. Shoots and hoppers. ANCHOR HOCKING GLASS CORPORATION. Oct. 7, 1964 [Oct. 7, 1963]. No. 40973/64. Heading B8S. A mechanism for handling closure caps 1 Fig. 1, having a cover portion 2 and a skirt 3. Fig. 8, comprises a hopper 5 which feeds the caps through a shoot 7 to a star-wheel 6 rotated by the caps and having pockets 11 to receive the caps, permanent magnets 12 being provided in the pockets 11 to overlie the caps so as to attract and raise those which are improperly positioned, with their cover portion 2 facing downwards, the raised caps being engaged by a cam 13, upon further rotation of the wheel 6, which inverts them to their correct position. The rear edge of each magnet 12 is bevelled at 12a to facilitate movement of the caps thereover. An auxiliary magnet 50, Figs. 1 and 7, helps the magnets 12 to raise the caps. From the wheel 6 the caps pass through shoots 8 and 9 to a sealing machine (not shown). The star-wheel 6 is replaceable by other star-wheels of different sizes to accommodate caps of different sizes and for this purpose the widths of the shoots 7 and 8 are made variable by providing these with adjustable side walls 20, 21, respectively; the side wall 20 of the shoot 7 is secured by screws 26, 27 which are selectively engaged through openings 24, 25 in the wall 20, and the side wall 21 of the shoot 8 is similarly secured by screws 35, 36. The shoot 9 has a side opening 41 leading back into the hopper 5, a magnetic cam 40 being disposed opposite the opening 41 for urging the caps away from the opening 41 and into the shoot 9; when the latter is full, the caps are pushed away from the cam 40 and through the opening 41. The star-wheel 6 is braked by a friction brake 45, Fig. 7, having frictionally engaging members 46, 47. In an alternative embodiment, Figs. 10 and 12 (not shown), the star-wheel 6 is braked by a friction spring extending from the shoot 7 and bearing on the top of the star-wheel 6. A plurality of magnets are mounted beneath the shoot 8 for retarding movement of the caps so as to further brake the star-wheel 6.
Patent GB-1160549-A (GB)
Title: Improvements in or relating to Cable Clamps for Electrical Connectors
Inventor: HEWITSON FREDERICK JOHN
IPC: H01R13/595
Filed: 1965-09-27
Abstract: 1,160,549. Cable clamps. PLESSEY CO. Ltd. 23 Nov., 1966 [27 Sept., 1965], No. 41079/65. Heading H2E. [Also in Division E2] Cable leads 13 are bent, e.g. at right-angles, on leaving the neck 4 of an electrical connector, and clamped in that position by screwing, with screws 9, a block 11 against the end face 7 of an anvil 6, the anvil being integral with a plate 1 screwed to the threaded portion 3 of neck 4. Plate 1, and so the cable leads, is locked in a desired axial and/or angular position by means of a further plate 18 screwed on to neck 4, and substantially pear-shaped (Fig. 4, not shown) to leave room for screws 9, a screw 17 drawing edges of plates 1 and 18 together to produce a friction locking effect. Instead of being threaded, plate 1 may have a smooth socket bore fitting over threaded portion 3, and retained by end surface 5.
Patent GB-1104019-A (GB)
Title: Improvements in or relating to centrifugal pumps
IPC: A01K79/00
Filed: 1966-09-15
Abstract: 1,104,019. Liquid filter. F. MOHN. 15 Sept., 1966 [18 Sept., 1965; 8 March, 1966; 19 March, 1966 (2)], No. 41268/66. Heading B1D. [Also in Divisions B7, B8, E1 and F1] In a centrifugal pump suitable for material containing a quantity of liquid, a perforated outlet housing 12a (Fig. 2) permits some of the liquid to be drained before the material passes to the delivery line 13. The drainage is controlled by a pair of slide valves 21a, 21b movable longitudinally of the housing 12a each by a respective pressure cylinder 21c. Alternatively, the slide valves can be replaced a ring or rings rotatable about the housing. In one application in which the pump is used to pump fish in water, Figs. 3 to 5 (not shown), further drainage of the water occurs at a perforated pipe (14) and a perforated delivery chute (25) at the downstream end of the delivery line. In other applications the pump is used for dredging and digging.
Patent GB-412878-A (GB)
Abstract: 412,878. Closed solid - fuel stoves. RASANEN, I., 8, Folkskolegatan, Helsingfors. Jan. 30, 1934, No. 3136. [Class 126.] In a closed solid-fuel heating stove, the front portion is formed of brickwork, or cast from a mineral composition, and contains a fire-box and a flue or flues 3 at one or both sides, through which flues the gases rise to the top of a metal-walled heat-radiating chamber 4, the lower end of which is connected to the flue outlet ; further, one or more channels 7 supplying air to the fire are provided in the rear of the stove. In the stove shown, a pipe 12 leads from the top of the fuel container to the bottom of the stove or to the flue. The fire door may be provided with an air-circulation channel for cooling it.
Patent GB-1006691-A (GB)
Title: Improvements relating to measuring apparatus
IPC: G01D5/241
Filed: 1961-11-17
Abstract: 1,006,691. Selective signalling systems. SCULLY-JONES & CO. Nov. 17, 1961 [Oct. 9, 1961; Nov. 21, 1960], No. 41318/61. Heading G4H. [Also in Division G1] The position of, for instance a milling machine table along a gauge bar 55 is sensed by a pick-up head 54 comprising three capacitative sensing rings 51, 52, 53 which detect the electrostatic field generated by washer-shaped equally dimension electrodes 31-39 energized from an A.C. generator 62 each terminal of which is connected to alternate conducting electrodes and each of said electrodes being in alternate butting relationship with a uniformly dimensioned non-conducting washer-shaped element 21-29. The electrostatic potentials induced in the rings 51-53 are summed at the input of servo amplifier 59 which energizes a motor 61 driving the gauge bar 55. Movement of the table may be effected by altering the signal produced by, for instance, ring 51 by altering the position of the slider of potentiometer 56, when the head 54 will be moved so as to restore a parity of signals. A digital carriage setting arrangement shown in Fig. 2 comprises a pick-up ring 71 representing any of rings 51-53 in Fig. 1 which is connected, possibly through an amplifier 75, to a primary winding 72 of a toroidally cored transformer 73. The turns of secondary windings 81, 82, 83, 84 are adjusted so that the amplitude of output signals represent carriage movements of 0À1, 0À2, 0À4 and 0À8 of an electrode axial length. A switch in each winding selectively connects a winding or windings to an adder circuit 89 which is connected, possibly through an amplifier, to the servo motor 61.
Patent GB-1463866-A (GB)
Title: Well fracturing method
IPC: E21B43/26
Filed: 1974-09-23
Abstract: 1463866 Fracturing wells DOW CHEMICAL CO 23 Sept 1974 41342/74 Heading E1F An underground formation is fractured by injecting a mixture of liquid carbon dioxide. liquid petroleum gas and a propping material composition into a wellbore 35, cavitation in the carbon dioxide injection pump 24 being prevented by vaporising a portion of the liquid carbon dioxide by heat transfer from the liquid petroleum gas in a heat exchanger 19 and passing the vaporised carbon dioxide into the carbon dioxide container 10 to maintain a sufficient pressure to prevent the liquid carbon dioxide from boiling. Liquid carbon dioxide from the container 10 and the cooled liquid petroleum gas are fed by injector pumps 24 and 32 respectively to a turbulator mixer 34 when. the liquids are blended to form a homogeneous composition. A sand propping agent and gel breaker composition are blended into a gelled alcohol carrier composition in a closed blender 42 after which the entire mix together with the liquified gas fracturing fluid are injected into the wellbore 35.
Patent GB-1074849-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: F16L37/50
Filed: 1965-10-01
Abstract: 1,074,849. Pipe couplings. DYNAMIT NOBEL A.G. Oct. 1, 1965 [Oct. 2, 1964], No 41843/65. Heading F2G. A coupling element adapted to co-operate with a further, identical, coupling element to connect two plastics pipes 15 end to end comprises a plastics body 1 having an annular shoulder 2 and a ring 4 of high-strength plastics or of metal with projecting members 5, 6 for attachment of a stirrup (not shown) or other means for clamping together the two coupling elements, said members 5 and 6 being diametrically opposed across the ring which itself bears at one circumferential edge against the shoulder 2 so as to be on the same side thereof as the attached pipe 15. The ring 4 may be pressed on to the body over a wedge-shaped annular bead 3 for which purpose the front inner surface of the ring is relieved conically at 9 and a groove 10 is cut in the body to accommodate material depressed during the pressing. Alternatively it may be moulded in position. A packing 13 is positioned on the outer edge of the coupling element which has flanges 14 extending outwards over diametrically opposite quarters of its circumference. The ring is prevented from turning on the element by a rib which fits into a groove in the element. The adjacent coupling member to which each coupling member is assembled is oriented at 180 degrees circumferentially to the other, so that the hook 5 of one is opposite to the lug 6 of the other and vice versa, and the lugs 14 on the one fit in the spaces between the lugs 14 on the other.