baber/WOPTO huggingface dataset:
Patent GB-480693-A (GB)
Title: Manufacture of oxazines of the anthraquinone series
IPC: C09B5/60
Filed: 1936-08-25
Abstract: Oxazines of the anthraquinone series are made by reacting a 1-halogenanthraquinone-2-sulphonic acid which may contain further substituents, radicals or atom groups in the anthraquinone nucleus, with a compound containing an amino group and a hydroxyl group in o-positions to each other, in the presence of an acid-binding agent, and advantageously in presence of copper or a copper compound, and if desired, sulphonating the products obtained.  The reaction may take place in an aqueous or alcoholic medium, at temperatures between room temperature and 100 DEG  C. and aminohydroxy compounds specified are those of the benzene, naphthalene, or anthraquinone series.  The products dye wool or cotton blue or violet tints.  In examples, the potassium salt of 1-iodanthraquinone-2-sulphonic acid is reacted in aqueous solution in presence of sodium carbonate and cuprous chloride with (1) o-aminophenol, followed by sulphonation; (2) sodium 2-hydroxy-3-amino-5-sulphobenzoate; (3) 3.5.6-trichloro-2-aminophenol-4-sulphonic acid; (4) 3.4.5.6-tetrachloro-2-aminophenol; (5) 6-chloro-2-aminophenol-4-sulphonic acid; (6) 4-chloro-2-aminophenol-6-sulphonic acid; (7) 3-amino - 4 - hydroxy - 1 - methylbenzene - 5-sulphonic acid; (8) 2-amino-4-acetaminophenol-6-sulphonic acid; and (9) 3-amino-4-hydroxybenzophenone-21-carboxylic acid, followed by ring-closure of the benzophenone part of the molecule by sulphuric acid to give a dianthraquinone oxazine which may also be obtained by condensing potassium 1-bromo (or iodo)-anthraquinone-2-sulphonate with 1-amino-2-hydroxyanthraquinones; (10) the potassium salt of 1-iodo-4-phenylaminoanthraquinone-2-sulphonic acid is condensed with 3.4.5.6-tetrachloro-2-aminophenol; (11) potassium 1-iodoanthraquinone-2.6-disulphonate is condensed with 5-amino-2.4-dihydroxybenzoic acid, (12) sodium-1 - bromanthraquinone-2-sulphonate is condensed with sodium 2-amino-4-nitrophenol-6-sulphonate or sodium 2-amino-6-nitrophenol-4-sulphonate, potassium 1-iodoanthraquinone-2-sulphonate is condensed with (13) sodium 3 - amino - 4 - hydroxydiphenylsulphone - 31 - sulphonate; and (14) sodium 1-hydroxy-2-aminonaphthalene-4-sulphonate; (15) sodium 1-bromanthraquinone-2.4-disulphonate is reacted with 2-amino-4-acetaminophenol; (16) sodium 1 - iodo - 4 - bromanthraquinone - 2 - sulphonate is reacted with sodium - 2 - amino - 4 - acetaminophenol-6-sulphonate; (17) sodium 1-amino-4-bromanthraquinone-3-sulphonate is condensed with o-aminophenol.
Patent GB-930565-A (GB)
Title: Chloroprene stabilisation
Inventor: BAILEY HUBERT CHARLES
IPC: C07C17/42
Filed: 1961-06-28
Abstract: Chloroprene containing 1-phenyl-3-pyrazolidone as antioxidant is emulsified with water in the presence of a resin soap; ammonium persulphate and dodecyl mercaptan are added and polymerization effected at 40 DEG C.ALSO:Chloroprene is stabilised against oxidative deterioration by means of 1-phenyl-3-pyrazolidone and/or an alkyl or phenyl derivative thereof, e.g. in a proportion of 10 to 2,000 parts by weight per million of the composition.
Patent GB-1352186-A (GB)
Title: Kilns
IPC: C04B35/01
Filed: 1971-04-19
Abstract: 1352186 Shaft kilns F SOBEK 19 April 1971 [9 March 1970] 23334/71 Heading F4B A process for calcining or sintering a granular, crushed or shaped material in an elongate kiln comprises supplying a lean gas to the kiln containing the material to be calcined or sintered in a reaction zone, combusting the lean gas with oxygen fed to the reaction zone whereby said material is calcined or sintered, and controlling the atmosphere within the kiln by regulating the pressure and flow rate of waste gas leaving the kiln. The process may be applied to such materials as limestone, dolomite, magnesite, clay, silicates, aluminium oxide, and iron oxide. It is conducted in a shaft kiln 5 comprising a number of burner units 6 disposed around the shaft and pointing downwardly towards its centre, each fed with fuel oil, with pressure air from a ring 8 and with recirculated waste gases from a ring 10, the waste gases passing from the kiln through a ring 21, line 22, fan 25, chimney 16 with a damper 15, line 13 and fan 12. Each burner comprises a combustion chamber 61 separated from a restriction 65 from a mixer chamber 62 which opens into the shaft through wall 51. A half ring (171) with nozzles (172, Fig. 4) supplies waste gases to the mixer chamber. These waste gases mixed with products of partial combustion from the chambers 61 constitute the lean gas, air supplied through controlled openings 4 and ascending the shaft in countercurrent flow to the treated material providing the oxygen necessary to complete combustion within the charge material. The fans 25 and 12 may be replaced by throttle means.
Patent GB-1061918-A (GB)
Title: Resistance element for incandescent lamps
IPC: H01R33/945
Filed: 1964-06-05
Abstract: 1,061,918. Electric incandescent lamps; resistors. F. J. ROSENBLATT. June 5, 1964 [July 30, 1963], No. 23346/65. Headings H1F and HIS. To enable an incandescent lamp to be run at a reduced voltage, a resistance attachment is provided comprising a ceramic body in which is secured a resistance element connected between a contact at the bottom of the body for engaging the centre contact of a lamp socket and a second contact at the top of the body by engaging a contact on the lamp, the body having a seating for the base of the bulb connected to the body by resilient means and carrying a pressuresensitive non-drying adhesive for releasably securing the bulb to the seating. In one form, the attachment 10 consists of a ceramic shell 26 enclosing a resistance element 32 surrounded by a ceramic filler 28, leads 38, 46 passing from the element 32 to a base contact 42 and a lamp contact 48. Along the upper edge of the attachment 10 is a seating for the bulb having a layer 56 of adhesive and being supported by a body of resilient material 58. In a modification the resilient material is replaced by a coil spring. One or other of the contacts may be resiliently mounted. -
Patent GB-357335-A (GB)
Title: An improved rotary coupling for steam and other pressure fluid supply circuits
IPC: F16L27/087
Filed: 1930-08-06
Abstract: 357,335. Pipe couplings. DAVIES, G. H., 86, Alexandra Street, Ebbw Vale, Monmouthshire. Aug. 6, 1930, No. 23570. (Class 99 (i).] A rotary coupling for use in a pressure fluid supply circuit comprises two concentric cylindrical parts 11, 14, one of which rotates relatively to the other, the part 11 having one or more supply or delivery conduits 15 and being formed with a concentric chamber 13 of U-shaped configuration in radial section to receive the part 14 which is hollow and is provided with one or more delivery or supply conduits 17. The depth of the part 14 is such that it does not extend completely to the bottom of the chamber 13, and its inner end is formed with a flange 22 which is fitted with piston rings 22a, 22b and is adapted to be forced by the internal fluid pressure against a flange 23 at the end of an annular bush 24 located within the part 11. Fluidtightness is additionally secured by packing rings 26, 29 disposed within the part 11 and compressed against the part 14 by springs 28, 31 respectively. The two parts are preferably formed with securing flanges 18, 20.
Patent GB-650945-A (GB)
Title: Position indicator for airborne traffic
IPC: G01S13/76
Filed: 1947-08-26
Abstract: 650,945. Photo-electric control systems. HAZELTINE CORPORATION. Aug. 26, 1947, No. 23579. Convention date, Sept. 12, 1946. [Class 40 (iii)] [Also in Group XL (c)] In a pulse radar system transmitting pairs of pulses whose spacing is cyclically varied in steps and in which the vertical spacing of a horizontal trace on the associated cathode-ray tube display is varied in correspondence with the pulse spacing (see Group XL (c)), the transmitter trigger pulses and the time base and vertical shift voltages are generated photoelectrically by interposing a slotted rotating disc between a light source and a photo-cell. As shown in the Figure, three photo-cells 14, 35 and 36 are mounted in separate compartments having a common front shield with a thin slit 40 and a light source (not shown) is focused on the slit. A rotating disc 11 is mounted between the light source and the slit, the disc having three sets of peripherally disposed openings 41-45, 46 and 47-50 respectively arranged at different radial distances so that they pass respectively in front of photocells 14, 35 and 36. The outer series of openings comprises pairs of slits 41-45 with an increasing separation between the slits of successive pairs, the middle series comprises identical wedge-shaped openings 46 with the pointed end in peripheral alignment with the second slit of corresponding slit pairs and the inner series comprises openings 47-50 peripherally aligned with openings 46 and having a radial width proportional to the separation of corresponding slit pairs 42-45. Thus, as the disc rotates the outputs from photo-cells 14, 35 and 36 respectively comprise trains of pulse pairs, sawtooth sweep voltages, and time-base shift voltages. Only one quadrant of disc 11 is shown in the Figure, but the series of openings are repeated in each of the other three quadrants.
Patent GB-236222-A (GB)
Abstract: 236,222. National Cash Register Co., (Assignees of Robertson, W. H.). June 26, 1924, [Convention date]. Index type-wheel machines.-In order to alter the word " from " to " to " and vice versa on the printing-roller of a ticket printing and issuing machine, while the second half of a return ticket is being printed, this type is formed on star wheels 221, 222, Fig. 17, on a shaft 220 which is given a quarter turn when a star wheel on its end engages an arm which is set in the path of the star wheel by an external lever. Ink-ribbon mechanism. - The ink-ribbon cooperating with the printing platen is fed and reversed automatically by an arm 311, Fig. 19, actuated by a cam 315 on the main shaft 90. A fast gear 299 and a loose gear 298, Fig. 20, are arranged side-by-side on a shaft 238 which drives one of the ribbon spools by a worm gear at its remote end. The loose gear 298 is secured to a worm gear 296 which drives the other ribbon spool. Adjacent to the gears 298, 299 are arranged two triangular members 302, 303 in such a way that when a point of one of the members engages the teeth of the corresponding gear, the other member will be ineffective. These members are mounted to act as pawl teeth and are moved by the arm 311. They are thrown over to reverse the movement when the ribbon tightens on a spool becoming exhausted.
Patent GB-677494-A (GB)
Title: Wheeled collapsible invalid stretcher
IPC: A61G1/02
Filed: 1950-09-27
Abstract: 677,494. Litters. REICHERT, H. Sept. 27, 1950 [April 14, 1949], No. 23690/50. Class. 108(i) A wheeled stretcher comprises head rails 1, side rails 2 and foot rails 3 connected by hinge pins 6, 7 to enable the stretcher to be collapsed into a Z-shape, spring- pressed hook members 8, 9 engaging complementary recesses in the adjacent rails to maintain the stretcher in the erected position. Wheel-supporting legs 11 are also pivoted to the hinge pins 7 and are erected and retained in their erected position by projections on the upper ends of the legs 11 engaging abutments on the collar 4 carrying the pin 6. A foot-rest 13, a head-rest. 20 and a perambulator-type hood 22 are also provided and the stretcher is propelled by the handle 17.
Patent GB-1201599-A (GB)
Title: Improvements in or relating to spray printing machines for colour patterning a moving textile web
Inventor: GOLBS GUENTER
IPC: B41F15/40
Filed: 1969-05-09
Abstract: 1,201,599. Spray printing. TEXTILMASCHINENBAU ZITTAU VEB. 9 May, 1969, No. 23739/69. Heading B6C. A spray printing machine is provided with a feeler head 1 carrying a bank of feelers cooperating with the template roller of a patterning unit (Fig. 1, not shown), the head 1 being mounted so that it is adjustable both longitudinally and transversely of the template roller. As shown, the head 1 is mounted by means of holders 4, 5 on pins 6, 7 located on arms 8, 9 which can pivot about rods 12, 13, fixed to the machine frame, to effect longitudinal positioning of the head; arm 9 is made adjustable as to length, being provided with an adjusting nut 16 which can be rotated to effect lateral positioning of the head 1. The pivoting of the arms 8, 9 is effected by adjusting the length of a rod 17 interconnecting the arms. The head 1 is also adjustable as to its height above the template roller (Fig. 3, not shown), and for this purpose the arms 8, 9 are suspended on levers 21, 22 by means of tie rods 19, 20, the levers 21, 22 co-operating with a positioning mechanism 23, 24 whereby raising or lowering of the head can be effected by rotation of a hand wheel 27.
Patent GB-188623-A (GB)
Title: Improvements in or relating to preheaters for evaporators and the like
IPC: B01D1/22
Filed: 1921-05-10
Abstract: 188,623. Rigby, T. May 10, 1921. Film evaporators; vapours, utilizing for effecting further evaporation.-Liquids, or admixtures of solids and liquids, to be evaporated by exposure in a film on surfaces heated by vapour generated by film-exposure of another portion in a different part of the apparatus, are preheated by spreading in a film over a surface heated by vapour flashed off from hot liquid leaving a similar drying, concentrating or evaporating plant. Specification 180,963 is referred to, and the following features set forth therein may be incorporated in a preheater:-the pouring of the liquid down the outer surface of an upright drum rotating in contact with a scraper; the provision of a partition closing off the drum space from vapour spaces 3, 13, communication being made through hollow drum spindles, mounted at each end in a gland 32, for example comprising a washer rotating with the spindle pressed against the bearing; the enclosing of the driving-gears 29, 30 of the drums in a vapour space; the replacement of the scraper by a second rotary member of different peripheral speed from that of the drum with which it coacts.
Patent GB-734859-A (GB)
Title: Improvements in or relating to work supports
IPC: A43D79/00
Filed: 1952-09-24
Abstract: 734,859. Work supports for heel-attaching machines. BRITISH UNITED SHOE MACHINERY CO., Ltd., and GADD, R. O. C. Sept. 23, 1953 [Sept. 24, 1952], No. 23911/52. Class 17 (1). A work support for supporting a shoe on a last while a heel is attached thereto has a spindle 2 to enter the peg hole of the last L and engage the internal face of a sole member within the shoe S and which is yieldable under a thrust from the sole member prior to the attaching of the heel, a last supporting member 4 yieldable under a thrust from the last prior to the attaching of the heel, and a hydraulic valve 36, controlling the flow of fluid from beneath the last supporting member, which is automatically closed when the spindle yields thereby preventing further movement of the last supporting member. The valve moves axially with the spindle. The support is swung about pivot 8 from a loading position, Fig. 2, to a heel-attaching position, Fig. 5, surfaces 28, 26 respectively abutting bracket 10. A heel clamp is then positioned on the shoe by depression of a treadle (not shown), pushing member 4 and the shoe &c. downwardly against the resistance of return springs 66 until the insole meets spindle 2, oil passing from the chamber beneath flange 38, between flange 42 and face 44, between valve 36 and spindle 2, and through holes 62 to reservoir 64. The treadle is then fully depressed to first apply an additional clamping force and then to raise the driver actuator 14. Spindle 2 is moved downwardly by the insole, and through 56, relief spring 54, 40, and 58 moves valve 36 downwardly against the resistance of spring 48 until flange 42 seats on face 44, stop ping the flow of oil and preventing further movement of support 4. The actuator 14 moves the driver 16 within the spindle to drive a fastener 18 through the insole into the heel. Reservoir 64 is replenished through hole 88 which communicates with filler hole 90 when the support 4 is fully raised, a vent hole is provided at 95 and a bleeder hole at 96. Last plate 32 is tiltable. A modified pivoting arrangement for the support is described. Specifications 186,126 and 223,959, [both in Class 17 (i)], are referred to.
Patent GB-779428-A (GB)
Title: Improved method and apparatus for treating and fiberizing raw fibrous materials suchas asbestos
IPC: B07B1/28
Filed: 1955-08-19
Abstract: 779,428. Screening apparatus. KENNEDY, J. E. Aug. 19, 1955 [Sept. 1,1954], No. 23923/55. Class 117. Fibrous material such as asbestos ore is delivered through a shoot 42 to one end of an elongated inclined screen box 10 housing a screen 24, and shafts 78, 79 connected to the corners of the box at the opposite end are reciprocated by eccentrics 66, 68 on a drive shaft 54 such that a twisting movement is imparted to the box so as to spread the material over the screen. The fiberized cleaned material is drawn by suction into a hood 44 and gang material which does not pass through the screen is delivered to a spout 52. Fines which pass through the screen and through a perforated plate 26, Figs. 2 and 4, fall on to a plate 28 and are also delivered to the spout. Each eccentric comprises a disc wheel eccentrically fixed to the shaft 54, and around which a relatively movable band 72 extends. The shafts 78, 79 are connected to the bands by fittings 76, and the eccentrics are arranged at an angle to each other so that out of phase longitudinal movements of the shafts are produced which causes the vibratory twisting movements of the screen. The box is supported at its corners by shafts 12, 14 which are integral with plates 16 mounted on rubber blocks 20 secured to plates 22 fixed to the box. A vibrator 88 secured to a transverse bracket 86 and operated by compressed air produces up and down vibrations of the screen. Flywheels 64 are carried by the shaft 54 which is driven by a motor 58. Two screen boxes may be operated in series, one above the other, the discharge from the spout of the upper box being fed to the lower screen. In the latter case an additional pair of drive shafts are driven from a separate pair of eccentrics on the shaft 54, and the arrangement is such that the four eccentrics counterbalance. Counterweights may be attached to the spokes 65 of the fllywheels 64.
Patent GB-501807-A (GB)
Title: Improvements in or relating to wobble or swash-plate engines
IPC: F16H23/08
Filed: 1937-09-02
Abstract: 501,807. Swash-plate engines; driving-gear. REDRUP, C. B. Sept. 2, 1937, No. 23999. [Class 122 (iii)] [Also in Groups XXVII and XXIV] The cylinders 10, of an opposed-piston swash-plate engine, one carried on end plates 15, which are connected by a tube 16, preferably telescopic, in which the main shaft rotates on bearings 18. The cylinders have flanges 14 to which the plates 15 are bolted, and casings 23, surrounding the swash-plate mechanism and carrying further main shaft bearings 22, are also carried by the plates 15. The swash-plate mechanism comprises inclined crank-pins 20 carrying journals 25 inclined at half the angle of the crank-pins. The jomnals 25 carrying arms 27 having bushes 33 which pass through slots 31 in hubs 30 and engage guideways 34 in the engine casing, rotation of the hubs being thus prevented. The hubs carry triangulated members 36 articulated to the connecting rods 38.
Patent GB-377471-A (GB)
Title: Improved lifting-dogs or like gripping devices
IPC: B66C1/42
Filed: 1931-08-27
Abstract: 377,471. Lifting dogs. LIBERGE, A., Le Record, Etretat, Seine InfÚrieure, France. Aug. 27, 1931, No. 24088. [Class 78 (iv).] Relates to a gripping device for lifting loads, of the type comprising a pair of depending jaws 12 pivoted on parallel axes 8, 9 near the opposite sides of a rectangular frame 5 and held in engagement with the load by the lifting effort. A lifting ring 23 is connected by links 19 to the outer ends 20 of arms 18 on two parallel bars 16 pivoted in the frame 5. The bars 16, Fig. 7, are provided with short arms 15 which bear on the horizontal arms 13 of the gripping members 10, 12. When the ring 23 is lifted, the links 19 raise the ends 20 of the arms 18, and rock the bars 16.until the arms 15 engage the arms 13 and bring the gripping members 12 into engagement with the load. The shank 24 of the ring works through a slot 25 in a plate 26, Fig. 6, which is secured to the bars 16, and the shank is provided with a stop 28 to engage the plate and limit the upward movement of the ring. The ring 23 may be locked in the lowermost position by a spring-pressed pin.30 which passes through the frame 5 and engages in a hole in the. shank 24 of the ring. The device is placed in position over the load, as shown in Fig. 4, with the ring locked, and on withdrawing the pin while the ring 23 is held up, the frame 5 falls and the members 12 engage the load. The jaws may be adjustable to suit different loads, the arms 10 being supported by plates 36, Fig. 8, which can be bolted to the frame 5 at any of the positions 38 while the bars 8, 9 pass through slots 39. In modifications, Figs. 11-14 (not shown), stops are provided on the frame 5 to limit the upward movement of the arms 13, and these are either fixed stops, or hinged members which may be secured in operative position by a padlock. The gripping devices shown are plates 12 with inwardly-projecting serrated teeth 12a.
Patent GB-1348411-A (GB)
Title: Elastomeric helicopter rotor blade mount
IPC: F16F1/393
Filed: 1971-04-19
Abstract: 1348411 Helicopter rotors TEXTRON Inc 19 April 1971 [13 March 1970] 24039/71 Heading B7W A helicopter rotor blade mounting 10 comprises yoke structure 16, 20 and a blade grip 24 coupled through bearings 28, 30 formed from conically shaped layers of metal 50 and elastomer 52 alternately. Yoke 16 is mounted on a hub 11 connected to the helicopter main rotor mast 12 and with an extension 20 forms recesses 42, 44 in which the bearings 28, 30 are mounted by lugs 64, 66. The blade grip 24 has tangs 24a by which it is bolted to blade 18 and is connected to the bearings 28, 30 through bearing blocks 46 each having a cylindrical ridge 60 which is force fitted on to a cylindrical extension 58 of the respective bearing. A pitch horn 32 is fixed to the grip 24 and has a control tube 33 and a drag brace 34 adjustably connecting it to the blade 18. The construction may also be used for helicopter tail rotors.
Patent GB-1346696-A (GB)
Title: Asynchronous machine with an open magnetic circuit
IPC: H02K41/025
Filed: 1971-04-19
Abstract: 1346696 Dynamo-electric machines ANVAR AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 19 April 1971 [13 March 1970] 24118/71 Heading H2A An asynchronous, e.g. linear, machine has a laminated inductor core 1 having two end faces between which is a wound central zone 6 with unwound zones 7, 8 on either side, the zone 6 carrying a polyphase winding and a distributed single phase winding for providing the zone with an odd or fractional number of poles. Between each zone 7, 8 and the adjacent end face of the core is a single phase winding 9 having an axial extent which is small compared with twice the pole pitch of the central zone and at least some of each single phase winding beyond the unwound zone is spaced from the nearer end of the central zone by a distance no greater than one pole pitch of the central zone. Plates 10, 11 forming magnetic screens are fixed at opposite ends of the core parallel to and spaced from the end faces thereof. In the linear machine shown, a pair of similar cores 1, 2 are located on opposite sides of a solid armature 3.