baber/WOPTO huggingface dataset:
Patent GB-1336347-A (GB)
Title: Centrifuge having a rotor and including a device for stabi lizing the rotor movement
IPC: B04B5/08
Filed: 1971-10-22
Abstract: 1336347 Eddy current damping KERNVERFAHRENSTECHNIK mbH GES FUR 22 Oct 1971 [6 Nov 1970] 49180/71 Heading F2S [Also in Division B2] In a centrifuge having a rotor 1 which revolves about a vertical axis, a device for stabilizing the rotor comprises a magnetic bearing consisting of an axially-polarized, ring-shaped magnet 6 and a ring or flange 3 made at least partly of ferromagnetic material, the ring or flange 3 being attached to the rotor 1 and the magnet 6 to the centrifuge housing, or vice versa, so as to leave a clearance 4 between the ring or flange and the magnet, and the ring or flange carrying at least one induction ring 9. As shown, the flange 3 is integral with a cover 2 of the rotor 1 and the induction ring 9, which may be of copper, aluminium or an alloy thereof, is embedded in a groove provided in the flange. The ring-shaped magnet 6 is a permanent magnet carried by a hub 5 which is vertically adjustable on a threaded spindle 7 connected to the centrifuge housing. The magnet 6 has an annular groove 11 on its underside facing the ring 9. If during operation the rotor is deflected radially as a consequence of vibrations, the interaction between the flange 3 and the magnet 6 generates restoring forces which return the rotor to its original position. At the same time, eddy currents are generated in the induction ring 9 which absorb at least part of the vibration energy. A number of spaced concentric induction rings may be embedded in the ring or flange 3.
Patent GB-1128765-A (GB)
Title: Improvements in or relating to shield tunnelling machines
IPC: E21D9/08
Filed: 1965-11-22
Abstract: 1,128,765. Tunnelling machines. JAMES S. ROBBINS & ASSOCIATES Inc. 22 Nov., 1965 [1 Dec., 1964], No. 49497/65. Heading E1F. In a tunnelling machine a seal PS between the tail section 14 of the machine and erected lining L involves an annularly disposed resilient body 60 positioned between the tail section and a metallic ring 66 secured by one edge to the tail section. The body causes biassing of the free edge of the ring against the lining to form the desired seal therewith. Preferably the body is of triangular cross section and comprises gas-filled bladders or is formed of resilient foam material in a waterproof casing. The free edge of the ring is axially slotted so that the edge is formed by a peripheral ring of spring fingers. The fixed edge of the ring is preferably formed and secured to the tail sections in the manner described in Specification 1,128,766.
Patent GB-1169880-A (GB)
Title: Aircraft having Means to Counteract Displacement of the Aerodynamic Centre
IPC: B64C1/00
Filed: 1966-11-04
Abstract: 1,169,880. Controlling supersonic aircraft. HAMBERGER FLUGZEUGBAU G.m.b.H. 4 Nov., 1966 [4 Nov., 1965], No. 49503/66. Headings B7G and B7W. An aircraft with immovable swept wings 2 has means for counteracting displacement of the aerodynamic centre on flying through the speed of sound or on altering the supersonic speed of flight, the means comprising front wing parts 3 mounted at the leading edges of the immovable wings, the parts 3 being displaceable in the plane of the wing or rotatable about a transverse axis 12, in which latter case the front wing parts are incorporated in a pivotable nose 11. Each part 3 when movable in the plane of the wing may be either bodily translatable parallel to the leading edge of the wing 2 or pivotable about a vertical axis 6 at the trailing end or at the leading end of the part 3. Various configurations of flaps 3 and wings 2 are shown.
Patent GB-1120453-A (GB)
Title: Esters of ª‡-amino acids and acid-addition salts thereof
IPC: C08G18/73
Filed: 1965-11-22
Abstract: Hydrochlorides of esters <FORM:1120453/C2/1> wherein R is a C1- 21 alkyl radical and X is H, a C1- 22 hydrocarbon radical, -CnH2n-NH2, -CnH2n-COOR or -CmH2m-CH(NH2)-COOR, n is 1-10 and m is 1-10 are transesterified by heating in the presence of anhydrous HCl with an alkanol of formula R2-CH2-OH, the number of carbon atoms in the alkanol being greater than that in R and being at least 6, R2 being a C5- 21 alkyl radical.  The process may be carried out in two steps, thus in the first step a C1- 4 alkyl ester is transesterified with octyl alcohol and the product, in a second step, is reacted with a C1- 22 alkanol.  The products are used as intermediates in the preparation of isocyanates.  In examples L-lysine octyl, decyl and stearyl ester dihydrochlorides, L-ornithine octyl ester dihydrochloride, and the dihydrochlorides of di-n-octyl 2,5-diaminoadipate, di-n-hexyl 2,6-diaminopimelate, di-n-hexyl 2,7-diaminosuberate and di-n-hexyl 2,9-diaminosebacate are prepared. The preparation of the dimethyl esters of 2,6-diaminopimelic and 2,9-diaminosebacic acids and the diethyl ester of 2,7-diaminosuberic is also described.
Patent GB-1279905-A (GB)
Title: An induction electricity meter
IPC: G01R11/36
Filed: 1970-10-19
Abstract: 1279905 Induction meters SIEMENS A G 19 Oct 1970 [18 Oct 1969] 49603/70 Heading G1Q A light-load adjuster in an induction meter comprises a non-magnetic pivoted arm 12 carrying two magnetic elements 14, one or other of which is moved by rotation of arm 12 into the region lying between the centre pole and a respective outer pole of the voltage electromagnet 2. The pivot 11 of the arm 12 is mounted on a support 10 secured to the outer poles, and fine adjustment of the position of the arm is made by turning screw 20 to rotate a further arm 19 held resiliently (18) in frictional engagement with arm 12. The arm 12 is guided by projections 23 on the support 10, and its movement limited by stops (22) Fig.5 (not shown) which engage the centre pole. A magnetic shunt 7 bridges the voltage poles, being directly linked to the centre pole by a magnetic insert 7<SP>1</SP> but spaced from the outer poles by non-magnetic spacers 8, which may comprise parts of the support 10. A flux return member extends from beneath the disc to the two outer poles.
Patent GB-1497864-A (GB)
Title: Compositions for repairing punctures in air tyres
IPC: C08L33/02
Filed: 1974-11-18
Abstract: 1497864 Pressurized tyre repairing compositions THREE BOND CO Ltd 18 Nov 1974 [28 Dec 1973] 49731/74 Heading C4X [Also in Division C3] A pressurized composition for repairing punctures of a tyre tube or tubeless tyre having an air valve thereon by being transported into the punctured tube or tyre through the air valve thereof so as to rapidly seal puncture holes of the tube or tyre from the inside thereof consists essentially of (a) 10-30% by weight of carboxyl modified acrylonitrile rubber latex, (b) 3-12% by weight of polybutene emulsion, (c) 0À1-0À3% by weight of a surfactant, (d) 5-10% by weight of a freezing point depressant, (e) 50-65% by weight of a propellant and (t) balance of water. The propellant used has a vapour pressure of at least 1 kg./cm.<SP>2</SP> at 25‹ C., is non-flammable and chemically inert. A suitable propellant is a mixture of dichlorodifluoromethane and propane. The water is preferably purified water having a pH of 7 Œ0À2 and an electrical resistance of 300,000 #-cm. The freezing point depressant may be ethylene glycol and the surfactant a mixture of a non-ionic and anionic surfactant, e.g. polyoxyethylenenonylphenyl-ether and sodium alkylbenzene-sulphonate.
Patent GB-1245755-A (GB)
Title: Improvements in and relating to semiconductive material
Inventor: IKUSHIMA HIROSHI
IPC: C04B35/48
Filed: 1968-10-28
Abstract: 1,245,755. Piezoelectric ceramics. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 28 Oct., 1968 [26 Oct., 1967], No. 51063/68. Heading C1J. A piezoelectric ceramic material consists of the material Pb(Mg<SP>1</SP>/ 3 Nb2/3) x Ti y Zr z O 3 , wherein x is 0À125 to 0À375; y is 0À375 to 0À435; and z is 0À25 to 0À44 and wherein 0.1 to 0À5 atomic per cent of Gd, Sm, Nd, Ce, Ca, Bi or Sb is substituted for the same atomic percentage of Pb.
Patent GB-1203776-A (GB)
Title: Improvements in deposition of pyrolytic material
IPC: C04B35/52
Filed: 1967-11-09
Abstract: 1,203,776. Frangible mould. GENERAL ELECTRIC CO. 9 Nov., 1967 [2 Dec., 1966], No. 51078/67. Heading B5A. [Also in Division C1] A frangible mould comprises a former 30 having an exterior groove 42 running around it both in an axial and circumferential direction, preferably spirally. The material to be formed is pyrolytically deposited on the inside of the former at high temperature (see Heading C1A) and on cooling the former contracts more rapidly than the formed article and cracks along the groove and between parallel sections of groove as shown. At least one groove comprising a complete turn around the former is employed and the groove is preferably 20 to 70% of the thickness of the former having a material thickness of at least 1À5 times and preferably 2 times that of the deposited material. The lead angle of the spiral is preferably between 45 and 80 degrees. The former may be a right cylinder as shown or conical.
Patent GB-1133802-A (GB)
Title: Carriage drive for printer
IPC: B41J19/20
Filed: 1966-11-15
Abstract: 1,133,802. Selective printing. FRIDEN Inc. 15 Nov., 1966 [18 Feb., 1966 (2)], No. 51213/66. Heading B6F. Machines with type-wheel rotating during impression.-A high-speed printer comprises a type-wheel 12 and a hammer mechanism 14, 15 movable together across the printing line on a carriage 10, and a carriage drive means which constantly accelerates the carriage during startup and is driven at a constant velocity during letter-spacing. Positive letter-spacing.-The type-wheel and hammer carriage 10 is driven when an electromechanically operated pin 58 engages a groove 46, 48, 50 in a lead screw 42 driven by a gear belt 20. The groove has a first part 46, which is shaped to cause a uniform acceleration of the carriage, a main section with a uniform helical groove 48 to give constant speed, and a final portion 50 which has a gradually diminishing depth so that the pin is raised out of the groove. In a modification the drive may be achieved by a suitably shaped cam. Carriage-return.-When the pin 58 is finally raised from the groove and the pin 58 is held by the detent 66, Fig. 3, the carriage is returned by a spring 68 compressed during letter-spacing. Type-wheel.-The type-wheel 12 may be made of hard steel, aluminium or plastic and the characters arranged helically on the surface. Margin indicators.-A screw mounted adjustable magnetic switch 64, (S2) provides a signal to indicate that the carriage has reached the beginning of a line and conditions the printer to receive input signals. Letter-spacing of paper.-In a modification the drive arrangement may move the paper instead of the type-wheel and hammer. Input arrangements.-In addition to keys the character selection may be derived from a record tape or other input signals. The signals are first entered in a memory or buffer delay line (78) and applied to a coincidence circuit (80) which is energized in response to sensing heads 34, 36 and switches (S1 (S2) to pass a trigger pulse to fire a hammer at the selected moment. The sensing heads 34, 36, Fig. 1, co-operate with a magnetic timing disc 28 provided with apertures 30 corresponding to each character position and a reference aperture 32. The apertures form non-magnetic gaps which are detected by the heads 34, 36.
Patent GB-1426938-A (GB)
Title: Apparatus for compacting material
IPC: B30B11/00
Filed: 1973-11-05
Abstract: 1426938 Isostatic moulding GLEASON WORKS 5 Nov 1973 [5 Jan 1973] 51243/73 Heading B5A Isostatic moulding apparatus comprises a deformable mould 56, 58 supported in a pressure vessel 10 which also contains a system for applying fluid pressure to the walls of the mould to compact material therein, a closure member 54 for an opening in the pressure vessel, and means 64 passing through the closure for pressurizing the fluid in the system without the introduction of pressurized fluid into the vessel 10 from an external source. Two pressure vessels are mounted for rotation about an axis 16, Fig. 1, between a position 12 where moulded articles are removed by an extractor 26 and ferrous metal powder is fed into the mould by dispenser 24 and a position 10 disposed between two pressure resisting plates 18, 20. The chamber of each pressure vessel comprises a bore 50, Fig. 3, into the opposite ends of which are slidably sealed closure members 90 and 54 by means of high pressure seals 91 and 57. The member 90 supports inner and outer elastomeric moulds 56 and 58 by means of a ring 96 and a perforated sleeve 66, and a core 108 by means of plate 106 having peripheral grooves for passage of pressurized fluid from chamber 62 to the mould. After filling the mould the top is closed by a deformable plug 80 attached to a closure member 52. Then the pressure chamber 10 is placed between the plates 18, 20 and the closure member 52 is pushed down by ram 84 until a support member 86 can be slid into place between member 52 and the plate 18. The lower closure member 54 rests on a support platform 72 on the plate 20. Pressure is applied to the fluid in chamber 62 by a piston 64 in the closure member 54 being raised by operation of a multiplying piston 70 in the supports 20, 72. The closure members 54, 90 are forced outwardly by the pressure but are restrained by the pressure plates 18, 20. After compaction the mould is decompressed by lowering the piston 70 and applying pressurized fluid to the chamber 238 to act on flange 78 of piston 64 to assist in lowering it. The pressurized fluid is supplied by a reservoir 111, Fig. 1, containing gas under pressure over the fluid. A chamber in the centre of the piston 64 is connected through a hole 12 to the liquid in chamber 238 and through a valve 12 to the chamber 62 to permit pressure liquid to flow into the chamber 62 and replenish it during decompression of the liquid.
Patent GB-1423248-A (GB)
Title: Camera
IPC: G03B17/00
Filed: 1973-11-05
Abstract: 1423248 Camera bodies A S SERB N F SEROV Y P ZOLOTAREVSKY and B N TEPLYAKOV 5 Nov 1973 51276/73 Heading G2A A camera has means for moving a trunnion between positions in which it engages with and disengages from a film spool, said means being associated with locking means for the camera back. As shown, the trunnion 10 is in engagement with the spool 11. A lock member 7 has a semicircular handle 8 which as shown is flush with the external surface of the camera. Member 7 extends inside a housing 12, and is separated therefrom by a sleeve 14. The members 7, 12 and 14 have flats so that members 7 and 14 can slide axially. A plate 6, secured to member 7, abuts against a spring-loaded catch 3 which engages with rods 2 fixed to the camera back. A sleeve 18 lying inside the lock member 7 has projections 20 which engage within a groove in a member 21 rigidly fixed to the camera casing 4. When the camera is to be opened to replace an exposed film spool, handle 8 is pivoted through 90 degrees, so that it can conveniently be gripped and pulled. This displaces lock member 7 axially, but trunnion 10 remains stationary since the projections 20 of sleeve 18 are still held in the groove in member 21. Plate 6 and catch 3 are, however, displaced so that rods 2 are released to unlatch the camera back, which opens under the action of a spring. Lock member 7 is now rotated, so that the projections 20 are brought into alignment with axial slots in member 21. Housing 12 and trunnion 10 are now able to retract axially from spool 11 under the action of a spring 22. The spool can now be removed and replaced. In this position plate 6 prevents catch 3 from engaging with rods 2, so that the camera back cannot be closed. After the new spool has been inserted lock member 7 is pushed inwards and then rotated, which brings the mechanism back to its original position. The camera back can now be closed again and fastened.
Patent GB-1375000-A (GB)
Title: Driving roller lead roller for twisting or winding frames
IPC: B65H51/06
Filed: 1971-11-04
Abstract: 1375000 Thread guiding rollers SAURERALLMA GmbH ALLGAUER MASCHINENBAU 4 Nov 1971 [4 Nov 1970] 51398/71 Heading D1D A thread guiding roller to regulate the tension in e.g. a winding machine comprises two discs 7, 7' each having a plurality of interdigitating entraining protrusions of the form shown in Fig. 5 which combine to form a "V" shaped lead in groove below which is a bearing portion 15, 15' which holds the thread in a sinuous path between looping sections 20, 20'. The sections 20, 20' make an angle "W" with a radial plane E-E of substantially 2‹ to help return the thread. The discs 7, 7' are supported in body parts 9 and 13 which are joined by a threaded portion 14 to allow adjustment of the spacing between the. discs, the discs being biassed apart by springs 17, 17'. Angular spacing of the discs is set by blocks (16) Fig. 4 (not shown). Body part 9 is frictionally engaged with a driven shaft 1 by a leaf spring 11.
Patent GB-1091507-A (GB)
Title: Improvements in or relating to pneumatic tyres
IPC: B60C15/06
Filed: 1964-12-18
Abstract: 1,091,507. Pneumatic tyres. PNEUMATIQUES. CAOUTCHOUC MANUFACTURE ET PLASTIQUES KLEBER COLOMBES. Dec. 18, 1964 [Dec. 20, 1963], No. 51679/64. Heading B7C. To obviate ply separation in a pneumatic tyre in which radial cord carcass plies 13 are folded about a bead wire 10 with their edges 13 1  -13 3  radially stepped and the edge 13 1  in the plane of greatest axial width and wherein all the bead reinforcing strips such as a flipper 12 and cord-reinforced strips 16 have their radially outer edges disposed at different radial levels radially inwardly of the ply edges, the bead reinforcing strips and preferably the carcass plies are calendered in rubber mixtures of which the modulus of elasticity at 100% extension is greater than 35 kg./cm.<SP>2</SP> A bead cushion 17 has a similar modulus. The flipper 12 and strips 16 preferably arc formed of parallel calendered metal wires extending at between 20 and 45 degrees to the circumferential.
Patent GB-1498210-A (GB)
Title: Gas-inspiring probes
IPC: G01N1/00
Filed: 1975-12-18
Abstract: 1498210 Gas-inspiring probe DRAGERWERK AG 18 Dec 1975 [18 Dec 1974] 51975/75 Heading G1B A gas-inspiring probe for sampling gas from above a liquid surface comprises a tubular part 5, a float part 1 at a gas inlet end of the tubular part and one or more gas inlet holes 6 through which gas can be inspired into the probe, the arrangement being such that in use of the probe, with the float part floating on the liquid, at least one gas inlet hole 6 is situated above the liquid level. The float part may comprise a body of foamed material surrounding a connecting piece 4 which is the embodiment of Fig. 2 is T-shaped, or alternatively a spherical plastics moulding 7 as in Fig. 4.
Patent GB-1120985-A (GB)
Title: Process for refining hydrocarbon mixtures
IPC: C07C7/148
Filed: 1965-12-08
Abstract: A process for refining a hydrocarbon mixture consisting predominantly of conjugated dienes, olefins and saturated hydrocarbons having from 5 to 7 carbon atoms by absorption of conjugated dienes therefrom by chemical reaction comprises contacting the mixture in the gaseous state with an absorbing solution comprising a phenol and a catalytic quantity of an aqueous solution of a strong acid of a first dissociation constant K25 greater than 7 x 10-2, the water content of said absorbing solution being at least 1% by weight on the weight of the phenol and the weight of the acid present being not greater than the weight of the water.  The phenol may be phenol per se, a cresol or a xylenol.  In examples an artificial mixture of hydrocarbons including cyclopentadiene, amylene and pentane was passed through aqueous solutions of p-cresol, with the production of o-cyclopentenyl-p-cresol. The strong acid may be sulphuric or p-toluene-sulphonic acid.ALSO:Dienes present in vaporized hydrocarbon oils are reacted in the presence of an aqueous solution of a strong acid with a phenol to produce alkenyl phenols.  In an example a vaporized mixture containing cyclopentadiene is reacted with p-cresol in the presence of dilute sulphuric acid, whereby o-cyclopentenyl p-cresol is produced.
Patent GB-1173765-A (GB)
Title: Improvements in Closed Plastics Containers
Inventor: OLLIER JACQUES GASPARD HONORE
IPC: B65D51/18
Filed: 1966-11-22
Abstract: 1,173,765. Opening plastics containers; hinged lids. J. G. H. OLLIER, G. F. GROSSHANS and R. G. MASSON. 22 Nov., 1966 [26 Nov., 1965], No. 52174/66. Headings B8C, B8D and B8P. A plastics container 1 provided with a reusable lid 4 having a flange seating on an inner step 2 is sealed by means of an aluminium or plastics sheet 5, e.g. of aluminium foil, welded to an outer step 3. A tongue 6 enables the sheet 5 to be torn off. A recess (7), Figs. 1 and 3 (not shown), formed between the inner step and the outer step 3 enables an implement to be inserted below the flange of the lid 4 to remove the lid. The container may be of square, rectangular, circular or elliptical crosssection, and be formed of polyethylene or P.V.C In a modification, Figs. 4-7 (not shown), members 4 and 5 are welded along one of their sides (8) to form a hinge, the lid 4 also being welded to the step 3 at the same side. Again, the member 5 may be welded to both the step 3 and to the flange of the lid 4 all round their peripheries, thereby preventing the container contents from leaking into the space between the members 4 and 5, Figs. 8-9 (not shown).
Patent GB-1372130-A (GB)
Title: Elevators
IPC: B66B7/06
Filed: 1972-11-13
Abstract: 1372130 Lifts HITACHI Ltd 13 Nov 1972 [15 Nov 1971] 52233/72 Heading B8L In an elevator system including a cage 4 and a balance weight 5 attached to opposite ends of rope means 8 controlled by a winch 6 housed in a machinery room 2, rope vibration suppressing means are provided on at least one of the machinery room floor 3, the upper portion of the cage 4 and the upper portions of the balance weight 5, to suppress lateral vibration of the rope means 8. In the embodiment of Figs. 2 to 5 (not shown) the suppressing means comprises a pair of spaced parallel rollers mounted on rigid brackets extending from either the upper and lower face of the floor 3, thus forming a guide and vibration suppression for the rope means 8 passing through apertures 13 in the floor 3. In the embodiment of Figs. 6 to 9 (not shown) the suppressor means is formed by a rectangular framework of rollers suspended from the machinery room floor by ropes or chains. In the embodiment of Figs. 10 to 16 (not shown) a cross beam is resiliently mounted on top of the crosshead of the cage and is guided along the cage guides in the shaft by resiliently mounted rollers, the rope means extending up from the crosshead being secured to the cross beam which suppresses any rope vibrations.
Patent GB-1414434-A (GB)
Title: Nitriles with odorant properties
IPC: A61Q1/02
Filed: 1973-11-12
Abstract: 1414434 Perfumes HAARMANN & REIMER GmbH 12 Nov 1973 [17 Nov 1972 22 Feb 1973 26 Sept 1973] 52421/73 Heading A5B [Also in Division C2] Perfume compositions contain a compound of the formula in which n is 0 or 1 and where n is 0 a double bond is present as indicated by the chain line, and R is a cyclohexyl radical or a phenyl radical which may optionally be substituted in the p-position by an alkyl radical of 1-5 carbon atoms.