baber/WOPTO huggingface dataset:
Patent GB-2468287-A (GB)
Title: A hinge having a link arm with a portion having an increased cross section providing a seal against an aperture through which the hinge passes
Inventor: CLARIDGE DEAN
IPC: E05D5/06
Filed: 2009-03-03
Abstract: A hinge assembly 10 for a vehicle door, the hinge assembly comprising a link arm mountable to the vehicle door at 16 and pivotable about a pivot point 30 relative to a vehicle body portion 40, the link arm extending through an aperture 20 in the vehicle body portion 40. The link arm comprises a first portion 14 having a cross-section that is smaller than the opening of the aperture; and a second portion 12 having a second cross section which is larger than the first cross section. The second cross section being arranged to substantially seal the aperture when the door is in the fully closed position or fully open position. An additional sealing cross section may be provided at 116. A flexible seal may be provided around the door aperture 20 which provides clearance around the first section of the link arm and only contacts the increased cross section toward the end of the hinge travel. The link arm may be located within an enclosed volume within the vehicle body when in the closed position thus providing a concealed hinge. The link arm may have an arcuate hinge portion 14. A door stay or check to hold the door open may be provided. The link arm may be provided with an actuator to provide a door opening and closing force. A locking device to secure the door in the closed position may also be configured with the link arm.
Patent GB-2469290-A (GB)
Title: Bicycle handlebar stem
Inventor: ROSENTHAL HENRY
IPC: B62K21/12
Filed: 2009-04-07
Abstract: For attaching a handlebar 30 to a front wheel steering tube 40, a clamp is provided which comprises two separate clamp members (10, 20). Each member provides a part cylindrical clamping surface (12, 22) for mounting opposedly to the other to clamp the handlebar 30 there between in a first clamping plane. Each member also has a respective collar clamp portion with opposing clamp jaws (14, 16 and 24, 26) extending in a plane substantially perpendicular to the first clamping plane in order to clamp around the steering tube 40.
Patent GB-2470398-A (GB)
Title: Resonant sensor
Inventor: KINNELL PETER
IPC: G01L9/00
Filed: 2009-05-21
Abstract: A resonant sensor which may be arranged to measure the pressure of a fluid. The resonant sensor 10 comprises a diaphragm 11, preferably silicon, which may be exposed to a fluid. Two supports or mesas 12 are provided on the diaphragm and a resonator having at least two beams 14 with each beam being suspended between the two supports 12. The ends of each beam are attached to a corresponding support at more than one point, for example, at two points 15. By attaching each end of the beams to a support at more than one point, the moments and reaction forces to which the support is subjected may be balanced so that distortion of the support and diaphragm due to vibration of the resonator beams is reduced. Consequently, the resonant sensor is able to provide more precise measurements.
Patent GB-2458584-A (GB)
Title: Method of operating a three-phase slurry reactor
Inventor: STEYNBERG ANDRE PETER
IPC: B01J8/22
Filed: 2009-05-21
Abstract: A method of operating a three-phase slurry reactor includes feeding at a low level at least one gaseous reactant into a vertically extending slurry body of solid particles suspended in a suspension liquid, the slurry body being contained in a plurality of vertically extending horizontally spaced slurry channels inside a common reactor shell, the slurry channels being defined between vertically extending horizontally spaced divider walls or plates and each slurry channel having a height, width and breadth such that the height and breadth are much larger than the width. The gaseous reactant is allowed to react as it passes upwardly through the slurry body present in the slurry channels, thereby to form non-gaseous and/or gaseous product. Gaseous product and/or unreacted gaseous reactant are allowed to disengage from the slurry body in a head space above the slurry body. Also disclosed is a three-phase slurry reactor.
Patent GB-2474065-A (GB)
Title: Wire electrode for wire electrical discharge machining
Inventor: CHANG KUO-TA
IPC: B23H1/06
Filed: 2009-10-02
Abstract: A wire electrode is provided for wire electrical discharge machining. The wire is made of a binary alloy of copper and zinc, in which copper and zinc of a given ratio is mixed and cast to form an alloy, which is shaped through upcasting at 955 degrees C using suction means 2 to supply molten alloy to a continuous casting plant.The cast alloy is the subjected to staged cold drawing 3 and annealing to produce the wire electrode 4.
Patent GB-668309-A (GB)
Title: Manufacture of carboxylic acids and derivatives thereof
Inventor: ROGERS DOUGLAS CECIL
IPC: C07C45/87
Filed: 1949-04-13
Abstract: Acetylenic compounds are oxidized with nitrous oxide at a high temperature not exceeding 500 DEG  C. and a pressure exceeding 20 atmos., optionally in the presence of other reactants, as indicated below.  Ketenes or dimers thereof are obtained when the acetylenes are free from hydroxyl, sulphydryl or amino groups containing a replaceable hydrogen atom but when these groupings are present in the acetylenes heterocyclic compounds result and when present in other compounds oxidized therewith carboxylic acids, anhydrides, esters, amides, thioesters and thioacids may be obtained.  Preferably not more than 2, generally not more than 1, vol. of nitrous oxide per mol. of acetylenic compound is used. Reaction is preferably at below 400 DEG  C., e.g. 200-350 DEG  C. Pressures specified are up to 2000 atmos., e.g. above 100 but usually below 500 atmos.  Specified acetylenes for ketene or ketene dimer preparation are acetylene, 1-hexyne, allylene, 1-heptyne, 1-octyne, 5-decyne, phenyl-acetylene, tolane, benzoylacetylene and acetylene dicarboxylic ester.  With water carboxylic acids are formed; with ammonia and primary and secondary amines, amides; with carboxylic acids, acid anhydrides; with alcohols and phenols, esters; with mercaptans, thioesters; and with hydrogen sulphide, thioacids.  4-Hydroxy-1-butene is specified as an acetylene containing a reactive grouping and yields g -butyrolactone.  Acetylenes specified for reaction with reactive compounds are acetylene, allylene, 1-hexyne, 1-octyne, 5-decyne, butene-2, acetylene dicarboxylic ester and isopropenylacetylene. Oxidation catalysts and solvents and diluents may be present.  Basic solvents, e.g. pyridine and dimethylaniline, speed up reaction, whereas saturated hydrocarbons may be used to avoid explosive decomposition.  Times of reaction vary from a few minutes to a few hours.  In examples: (1) 1-hexyne yields butylketene; (2) 1-hexyne or phenylacetylene in ethanol yield ethyl-caproate and -phenylacetate respectively; (3) phenyl-acetylene with aqueous ammonia yields phenylacetamide; (4) 5-decyne or phenyl-acetylene in ethanol yield ethyl-nonane-5-carboxylate or -diphenyl acetate respectively; (5) acetylene and ethanol yield ethyl acetate; (6) diphenyl-acetylene in cyclohexane gives a diphenylketene dimer; (7) 4-hydroxy-1-butene in cyclohexane yields g -butyrolactone; (8) phenylacetylene and water yield phenylacetic acid; and (9) 1-heptyne and cyclohexylamine yield n-heptone-cyclohexylamide.
Patent GB-770496-A (GB)
Title: Improvements in drilling or grinding tools, more particulary for dental purposes
IPC: A61C1/18
Filed: 1955-04-06
Abstract: 770,496. Dental handpieces. KALTENBACH, A., and HOFFMEISTER, E. April 6, 1955 [Jan. 20, 1955], No. 10045/55. Class 81(2) A dental hand piece in which a barrel sleeve is supported by a cone bearing in the point of the hand piece and is axially adjusted within the outer sheath of the hand piece by means of an adjusting sleeve, bearing against the rear end of the barrel sleeve and an adjusting ring screwed on the adjusting sleeve and bearing against the rear end of the outer sheath is provided with an axially adjustable thrust bearing ring screwed into the point of the handpiece and against which the forward end face of the barrel sleeve bears. The forward end of the barrel sleeve 12 is formed as a bearing cone 13 which is supported in the handpiece. The thrust bearing 14 which is slotted is screwed into the point of the handpiece so that the forward end face of the barrel sleeve 12 bears against it and is spaced from the handpiece to give the requisite oil clearance. A rear bearing 15 bears against a part 17 of the barrel sleeve, which is of reduced diameter, and is secured against rotation by a projection 16 which engages a corresponding recess in an adjusting sleeve 18 which bears against the rear bearing 15. The axial adjustment of the barrel sleeve 12 is effected by sliding the sleeve 18 by rotating an adjusting ring 8. Corresponding bearing surfaces of the rear bearings 15 and the adjusting sleeve 18 are spherical or conical to assist in centering the barrel sleeve 12. The adjusting ring 8 may be secured against turning by a projection 10 which engages a threaded counter ring 9. The forward end of the barrel sleeve 12 is made from hardened steel or is hard chromium-plated.
Patent GB-813336-A (GB)
Title: Improvements in or relating to methods of forming resilient joints
IPC: F16F15/14
Filed: 1957-05-27
Abstract: 813,336. Assembling torsional vibration dampers. HAUSHALTER, F. L. March 27, 1957, No. 10053/57. Class 108(3) A torsional vibration damper comprising a body 10, Fig. 1, and an inertia ring 14 held in concentric relationship to each other by an annulus 30 of rubber is assembled as follows. Body 10 and inertia ring 14 are supported as shown in Fig. 3. Centrally apertured disc 31 of rubber is placed over the annular space 16 and the thin steel ring 30, held in head 21, is moved forwards to fold disc 31 on itself and push it into annular space 16. The thickness of the disc 31 when folded is greater than that of annular space 16. A lubricant which is subsequently absorbed by the rubber is used in assembly. Ring 30 may be either removed from the assembled damper or left in position. In the embodiment shown in Fig. 6, disc 31 is replaced by rubber ring 33 which is thicker than annular space 16 and has an annular slot 34 for receiving ring 30. Insertion is as previously described. Specification 813,337 is referred to.
Patent GB-250966-A (GB)
Title: Improvements in systems for converting electric currents
IPC: H04B3/54
Filed: 1926-04-16
Abstract: 250,966. British Thomson-Houston Co., Ltd., (Assignees of Carter, E. F.). April 18, 1925, [Convention date]. Phase, changing.-In a system for converting high frequency single phase current into polyphase current, the single phase current is supplied to the primary winding of a transformer the secondary winding of which is connected to a number of circuits in which are produced currents of the required phase relationship to enable high frequency signalling current to be supplied to each phase of a polyphase distribution system. The single phase current may be produced by an oscillation generator comprising a thermioinic 'valve 1 the output circuit of which is connected through an amplifier 14 to a transformer 19, the secondary winding of which is connected as shown to three circuits a, b, c comprising variable inductances 21 and condensers 22 which may be of variable capacity. These circuits are earthed through resistances 23, and their inductance and capacity values are so adjusted as to produce currents of the required phase relationship which are supplied through amplifiers 27 to the primary windings of a three-phase transformer 28, the secondary winding of which is connected through condensers 29 to a three-phase distribution system 26. The plate circuits of the valves are supplied from a high voltage generator 5, whilst cathode current is obtained through a transformer 30 from an alternating current source 7.
Patent GB-635435-A (GB)
Title: Improvements in or relating to load handling pallets
IPC: B65D19/00
Filed: 1948-04-12
Abstract: 635,435. Load-handling pallets. NOYES, R. C. (Monroe Auto Equipment Co.). April 12, 1948, No. 10127. [Class 78 (iv)] A pallet comprises a base plate and a loadsupporting platform spaced from the base plate by members constituting load-supporting columns, these columns having their ends adjacent the platform interlocked with the latter. The base 11 and platform 12 of the pallet, Figs. 1, 2, preferably sheet metal stampings, are secured in spaced relationship by metal tubes 13 of square cross-section and are formed with strengthening ribs 16, 17, 19. The tubes are secured in octagonally-shaped openings 20 formed in the base and platform at the intersections of the ribs 16, 17 the portions of the sides 21 of the tubes registering with the ribs forming tongues 23 which are crimped over the base portions of the ribs.
Patent GB-991129-A (GB)
Title: High temperature demieralization
IPC: B01J47/04
Filed: 1963-03-14
Abstract: Trace contaminants are removed from water in the range of 140 DEG  to 300 DEG  F. by treatment after elimination of free oxygen with a combination of cation and anion exchangers. Mechanical or chemical methods may be used to remove the oxygen.  Specification 991,128 and U.S.A. Specification 2,701,791 are referred to.
Patent GB-723448-A (GB)
Title: Improvements in axle box bearings
IPC: B61F17/10
Filed: 1952-04-22
Abstract: 723,448. Thrust bearings. SOC. GENERALE ISOTHERMOS. April 22, 1952 [April 24, 1951], No. 10140/52. Class 12 (1) A railway vehicle axle journal 7 is supported in a bearing 9 provided with an annular flange 4 which surrounds a reduced portion 8 of the journal, the flange thus providing an enlarged thrust face for a collar 1. The collar is provided with cut depressions 5 in its thrust face which maintain an oil film over the face. One or several pins 3 prevent relative rotation between the collar and the axle.
Patent GB-505711-A (GB)
Title: Permanent magnets
IPC: C22C38/18
Filed: 1938-04-04
Abstract: 505,711. Alloys. DEUTSCHE EDELSTAHLWERKE AKT.-GES. April 4, 1938, No. 10286. Convention date, April 8, 1937. [Class 82 (i)] Permanent magnets are made from an alloy containing iron with the usual impurities and 0À7-1À6 per cent of carbon, 2À0-10 per cent of chromium, and 0.1-3.9 per cent of aluminium with or without one or more of the following ; up to 8 per cent of tungsten, up to 4 per cent of molybdenum, up to 38 per cent of cobalt, up to 2À5 per cent of manganese, and 0À1-2 per cent of nickel. The alloys especially when manganese is present, are hardened by rapid quenching and when nickel is present, the aluminium content does not exceed 2À4 per cent. Moreover, up to 2À5 per cent in all of one or more of silicon, titanium, magnesium, and calcium may be present, the quantity of the said addition and aluminium together not exceeding 5 per cent. Up to 1À5 per cent of the nickel content may be replaced by an equal weight of copper.
Patent GB-761861-A (GB)
Title: Improvements relating to the treatment of petroleum distillates to reduce their corrosivity
IPC: C10L1/223
Filed: 1953-04-15
Abstract: The corrosivity of a petroleum distillate, which has been subjected to desulphurization by contact in the presence of hydrogen with a sulphur-resistant hydrogenation catalyst at elevated temperature and pressure, is reduced by adding a minor proportion of phenylene diamine or an N-alkyl derivative thereof to the distillate and then redistilling.  After this treatment, the distillate passes the B.S.I. copper strip corrosion test.  The treatment is particularly applicable to solvent naphthas for use in the dry cleaning and paint industries.  In an example, a Kuwait naphtha of 152-205 DEG C. boiling range is subjected to hydrocatalytic desulphurization at 780 DEG F. and 100 p.s.i.g., using a catalyst consisting of the oxides of cobalt and molybdenum or alumina, 0.02 per cent by volume of N, N1-di-sec.-butyl - p - phenylene diamine is added to the desulphurized naphtha and the mixture redistilled.
Patent GB-673666-A (GB)
Title: Improvements in or relating to razor blade containers
IPC: B65D83/10
Filed: 1949-04-19
Abstract: 673,666. Razor blade magazines. AMERICAN SAFETY RAZOR CORPORATION. April 19, 1949 [Oct. 29, 1948], No. 10333/49. Class 18. A magazine for double edged slotted blades comprises a sliding cover which is retracted to engage and advanced to partially eject the uppermost blade. The cover may have two blade-engaging protuberances, one, 11, normally retaining the blades below the level of a locating post 30, but in the retracted position of the cover, engaging the rear end of the uppermost blade to advance it. The other protuberances, one, 44, normally retaining the part of the blade slot when the cover is retracted. A spring 32 feeds the blades upwardly. The magazine is charged with the assistance of guide rods, for which apertures 49 are provided in the case 26. The cover is snapped over flanges 28 on the case. Lugs 42 on the cover and recesses in the case limit the movement of the cover.
Patent GB-387542-A (GB)
Title: Improvements in or relating to the manufacture of leather
IPC: C14C9/02
Filed: 1932-04-11
Abstract: Apricot oil, peach kernel oil, almond oil, and tea seed oil are sulphonated.
Patent GB-895787-A (GB)
Title: A device for sealing the joints of split piston rings and similar packing elements
IPC: F16J9/14
Filed: 1959-03-25
Abstract: 895,787. Piston-rings. LE MOUILLOUR, J. March 25, 1959 [March 26, 1958], No. 10367/59. Class 122 (1). A device for sealing the joints of split or segmental piston rings 1 comprises a coverplate 9 which is arranged underneath the ring in a groove 2 formed in the piston 3, and has a part 9c bent elastically into the joint. As shown in Fig. 1, applied to a piston ring 1 having a single lap joint formed by tongues 5, 6, the cover-plate 9, of resilient metal, is provided with an end portion 9b which, when the ring is assembled in the groove, is pressed into contact with the inner surface of the ring to seal the gap 8 in the joint. A lug 9c also formed on the end portion is bent, on assembly, so as to enter the gap 7 and, by its resilience, seal the latter gap. The end 9d of the plate 9 is so formed as to press the portions 9b, 9c into firm sealing contact, this contact being additionally increased by a leaf-spring 11 lapping over the portions 9b, 9c. Both the plate 9 and spring 11 are located in the ring 1 by the engagement of lugs 9a, 11a with corresponding grooves 10, 12. In the embodiment shown in Fig. 3, the pistonring is split into four identical segments 13, 13, 14, 14 having lap joints forming gaps 15, 16. The gaps 15 are sealed by end lugs 17c formed on a pair of cover-plates 17, the gaps 16 being sealed by end portions 17b formed thereon; the sealing portions 17b, 17c are pressed into sealing contact by a spring 19 and additionally by springs 20 overlapping the end portions. The internal diameter of the segments 13 is greater than that of the segments 14 in order to facilitate the entry of the lugs 17c. In modifications, the width of the cover-plates is made to equal half that of the segments and the coverplates are formed with end lugs for engagement with top and bottom gaps in the lap joints, the pairs of diametrically-opposed segments being recessed on opposite sides to receive the plates; leaf-springs are provided to ensure the sealing engagement of the lugs. In further embodiments, the width of one pair of diametrically-opposed cover-plates is equal to half that of the segments and that of the other pair the full width, the former pair of segments being recessed accordingly (Fig. 8, not shown). In the embodiment shown in Fig. 11, the four segments 41, 43 are connected by mortice-andtenon type joints and the sealing end portions 45c of the cover-plates 45 are shaped accordingly to seal the joint gaps 47; these portions are pressed into sealing contact by springs 51, 52. In a modification of the latter construction, one diametrically-opposed pair of segments is of reduced internal diameter to receive its pair of cover-plates. In further constructions, the joints are formed by interengaging triangular or rectangular shaped tongues and the sealing end portions of the cover-plates are arranged to fit into slots formed in the joints.
Patent GB-899156-A (GB)
Title: Method and apparatus for recovery of particle-form olefin polymer
IPC: C08F10/00
Filed: 1961-03-22
Abstract: <PICT:0899156/IV (a)/1> Polymers of 1-olefins are made by (1) contacting at least one 1-olefin with a catalyst in the presence of a liquid diluent in a loop reactor under polymerization conditions of heat and pressure such that substantially all the polymer produced is insoluble in the diluent, and has a particulate form and a density greater than the diluent, (2) maintaining the flow velocity of diluent, catalyst, and olefin within the reactor in the turbulent flow range, and (3) allowing the polymer particles to continuously gravitate from the reactor through an opening or openings in one of the walls of the loop reactor to a receiving zone from which the polymer is recovered.  The 1-olefins polymerized may be ethylene, propylene, 1-butene, 1-pentene, or 1,3-butadiene, and mixtures of 1-olefins such as ethylene/propylene, ethylene/butadiene, and ethylene with minor amounts of 1-butene, 1-pentene, or 1-hexene.  The catalyst is generally of the chromium oxide type, e.g. such as those described in Specifications 790,195 and 804,641.  The diluent may be an aliphatic or cycloaliphatic hydrocarbon.  The polymerization and temperature of the liquid accompanying the solid particles passing into the receiving zone is controlled by known methods, e.g. by a heat exchange system or, by automatically injecting diluent into the bottom of the receiving zone.  In the Figure shown 1, is a loop reactor provided with a jacket 9, which forms an annular space 10 through which heat exchange fluid flows via inlet 13, and exit 14. Catalyst and diluent pass into 1, through inlet 2, whilst the olefin is introduced into 1 through conduit 3.  The flow of liquid through 1 is controlled by motor 8, propellers 5 and 6, and vanes 7.  The receiving zone 17, is directly connected to 1 at 15, and the polymer, diluent and reactants leave 17, via valve 18, and conduit 19 to conventional purification and recovery zones.
Patent GB-879217-A (GB)
Title: Substituted hydantoin derivatives, processes of preparing them and herbicidal compositions containing them
IPC: C07D233/72
Filed: 1958-07-22
Abstract: The invention comprises 1-alkyl-3-aryl hydantoins of the formula: <FORM:0879217/IV (b)/1> wherein each R represents hydrogen, halogen (including fluorine), C1-4 alkoxy, C1-4 alkyl, halomethyl (including trifluoromethyl), acetylamino, dimethylamino and/or nitro, and R1 represents C2-4 alkyl.  The compounds are prepared by heating with aqueous or alcoholic hydrochloric acid a urea derivative of the formula: <FORM:0879217/IV (b)/2> where Y represents a cyano or carbalkoxy group and X represents hydrogen of a C1-4 group.ALSO:A herbicidal composition comprises a 1-alkyl-3-aryl hydantoin of the formula <FORM:0879217/VI/1> wherein each R represents hydrogen, halogen (including fluorine), C1-4 alkoxy, C1-4 alkyl, halomethyl (including trifluoromethyl), acetylamino, dimethylamino and/or nitro, and R1 represents C2-4 alkyl, together with a solid or liquid diluent and, if desired, a dispersing agent.