baber/WOPTO huggingface dataset:
Patent GB-1321539-A (GB)
Title: Electro-optical character selecting device
IPC: G02F1/29
Filed: 1971-05-27
Abstract: 1321539 Photographic type-composing INTERNATIONAL BUSINESS MACHINES CORP 27 May 1971 [23 July 1970] 17440/71 Heading B6W A plane polarized laser beam 13 passes through a multi-layer beam splitter 14 into a vertical and horizontal deflection unit 15 comprising several stages each consisting of a birefringent element and a beam control element, the unit 15 being controlled by control circuitry 27 to select a character. The beam then passes through a polarization rotator 16 which rotates its plane of polarization through 90 degrees, is reflected by a beam splitter 17, the polarization planes of the beam splitters 14, 17 being parallel, and by two or more mirrors or prisms 18, 19, passes through the selected character in a plate 20, and is reflected by the beam splitter 14 to re-enter the unit 15, which neutralizes its previous deflection. The rotator 16 restores its polarization to its original plane and it therefore passes through the beam splitter 17 and a focusing lens 21 to produce an image on a movable photo-sensitive medium 22, or also passes through a deflector which directs it to selected spots of a stationary medium. Alternatively, the polarization planes of the beam splitters may be at an angle to each other such as 90 degrees, and the polarization plane of the beam is rotated by the rotator 16 through an angle such as 45 degrees which is half the angle between the planes of the beam splitters.
Patent GB-1300358-A (GB)
Title: Activation of peroxygen compounds in washing and bleaching baths
Inventor: SAROT P
IPC: C11D3/39
Filed: 1971-05-27
Abstract: 1300358 Detergents containing bleaching agents SOLVAY & CIE 27 May 1971 [27 May 1970] 17496/71 Heading C5D [Also in Divisions A5 and D1] Acylation products of dioximes, e.g. diacylated dialkyl glyoximes are used as activators for peroxides, e.g. sodium perborate, sodium percarbonate or H 2 O 2  used in aqueous media to bleach oils and greases. An activator/peroxide solid mixture may comprise activator having a protective coating of polyethylene glycol or polyvinyl alcohol. An activator/peroxide washing powder mixture may comprise surfactants, sodium silicate, sodium tripolyphosphate, sodium pyrophosphate, sodium sulphate, proteolytic and amylolytic enzymes, carbonates, phosphates, carboxy methyl cellulose and fluorescent brighteners.
Patent GB-909508-A (GB)
Title: Electric circuit breaker
IPC: H01H3/60
Filed: 1960-05-18
Abstract: 909,508. Gas-blast switches. FEDERAL PACIFIC ELECTRIC CO. May 18, 1960 [June 24, 1959], No. 17603/60. Class 38 (5). In a circuit-breaker having an operating mechanism generally similar to that described in Specification 819,028, a spring- loaded piston opens the contacts when their operating mechanism is unlatched and produces a blast of compressed air to assist arc extinction, the piston and cylinder acting also as a shockabsorber towards the end of the opening operation. The common bar 28, which is pivotable about a shaft 32 to operate, through links 22, 26, the moving contact unit 18 of each phase, is coupled by a link 42 and a rod 54 to a piston 52 slidable in a cylinder 50 having a port 76 open to atmosphere and a port 86 which communicates with a space adjacent the breaker contacts through a conduit 88, a manifold 104 and three tubes 106. The piston 52 is biased by a spring 44 and carries a rod 92 on which slides a valve 96 co-operable with the port 86 and normally urged against a retainer ring 98 by a spring 94. A spring-controlled plunger 116 acts as a bumper for the bar 28 when it is rotated anti-clockwise to close the breaker, and also supplies an initial drive to the bar 28 when it rotates clockwise to open the breaker, a member 127 being engageable with a shock-absorber 129 to limit this clockwise movement. During its anti-clockwise rotation the bar 28 is coupled to a driving member 34, also pivoted at 32, through a latch 130 having an arm 132 carrying a roller 134 engageable with a face 138 on the member 34, rotation of the arm 132 about a pvot 142 normally being prevented by a rigid arm 136. To close the breaker a solenoid 40 is energized so that its operating head 38 engages a roller 36 to rotate members 28, 34, 130 and move the piston 52 to the position shown in Fig. 2, the bar 28 being held in this closed position, after the restoration of members 34, 38, by the engagement of the roller 134 with the face 145 of a spring-biased prop 143 pivoted at 144. To open the breaker a tripping mechanism (not shown) releases the arm 136 and hence the latch 130 to allow the spring 44 to rotate the bar 28 clockwise, movement of the piston 52 providing an air blast to the contacts until the valve 96 seals the port 86, after which the piston and cylinder cushion the final part of the opening stroke. The breaker may be fitted with a magnetic blow-out and an arc-chute.
Patent GB-657115-A (GB)
Title: Improvements in or relating to means for the determination of the position of nodes in vibrating bodies
IPC: G01H13/00
Filed: 1948-06-30
Abstract: 657,115. Electric indicating systems. KANTOROWICZ, O. P. T., and PARSONS & MARINE ENGINEERING TURBINE RESEARCH & DEVELOPMENT ASSOCIATION. June 30, 1948, No. 17642. [Class 40 (i)] An instrument for determining the position of an oscillatory node in a vibrating body comprises a rigid portable structure embodying at least two probes fixedly spaced apart and contacting a surface of the body so that their differential movements to and from the vibrating surface rock the instrument cyclically in a predetermined plane, and means sensitive to this motion giving an indication of the amplitude thereof having a characteristic value when the probes symmetrically straddle a vibrational node. In Fig. 1, a base d fitted with probes a, b spaced one inch apart carries an upright e fitted with a linearly sensitive moving coil vibration pick-up f comprising a light solenoid freely mounted in the annular gap of a pot magnet for movement along an axis parallel to the line joining the nodes. When the probes are pressed against a vibrating body by the handle g, the base d is in general rocked by the vibration, and transmits a similar multiplied movement to the pick-up, in which the suspended coil remains at rest or moves with a smaller amplitude than the pot, so that an alternating induced e.m.f. analysable by known means, is developed and is at a maximum value when the probes symmetrically straddle a node, and at a minimum when they straddle an antinode, or when the line joining the probes is parallel to a nodal line. In a modification (Figs. 2, 3, not shown), two electromagnetic pick-up units are used, with their sensitive axes normal to the plane of the surface and connected in series or parallel opposition so that the total output is zero when a node is symmetrically straddled. Balancing means are provided for matching the pick-up outputs, and two or three probes may be used. In Fig. 4 the structure incorporates a mechanically balanced feebly damped permanent magnet moving coil movement o whose axis of rotation is normal to the plane of symmetry of the instrument and its three probes. The inertia of the moving coil causes its movements to lag behind those of the magnets when the instrument is rocked about the axis of rotation of the coil, and an alternating e.m.f. is developed which is at a maximum when the probes straddle a node and the line joining the probes is normal thereto. The vibration pick-ups may be piezo-electric.
Patent GB-1039683-A (GB)
Title: Waxes suitable for the manufacture of ionic bright-drying polish emulsions and process for preparing them
IPC: C09G1/10
Filed: 1963-05-03
Abstract: A wax is made by a process which comprises heating a wax acid consisting of a mixture of mono- and di-carboxylic acids containing 20 to 40 carbon atoms in the molecule, preferably one obtained by treating a crude montan wax with chromosulphuric acid and having an acid number in the range of 70-160 and saponification number in the range of 120-180, and a dihydric alcohol containing 2-4 carbon atoms in the molecule in equivalent amounts in the presence of an esterification catalyst to a temperature above the melting point of the said mixture until the resulting wax ester has an acid number of 5-30 and the ester is subsequently treated under the same conditions with a further amount of wax acid to form a product having an acid number of 45-65.  The wax acid used may be a mixture of carboxylic acids obtained by treating a crude montan wax, a paraffin, a polyolythene wax, an oxidation product of a paraffin, an oxidation product of a polyolythene wax or mixtures thereof with chromosulphuric acid and having acid numbers in the range of 70-160 and saponification numbers in the range between 120-180. Preferred dihydric alcohols used are ethylene glycol, propylene glycol or butylene glycol or mixtures thereof.  A strong inorganic acid, preferably sulphuric acid, is used as the esterification catalyst in an amount for example between 0.01 to 5% by weight calculated on the mixture.  Suitable operating temperatures are in the range of 100-130 DEG  C.  The examples describe the reaction of crude montan wax oxidized with chromic acid with ethylene glycol, and the reaction of a mixture of crude montan wax and paraffin air oxidation product with ethylene glycol.  These synthetic waxes are especially suitable for making bright drying wax emulsions (see Division B1).ALSO:Bright-drying aqueous emulsions containing a wax which has been made by esterifying a wax acid, e.g. crude oxidized montan wax, consisting of a mixture of mono- and di-carboxylic acids containing from 20-40 carbons atoms per molecule with a dihydric alcohol containing 2-4 carbon atoms, may be prepared using as emulsifier, morpholine, an alkyl or alkoxy substituted amine, sodium borate, or alkali metal hydroxide or carbonate.  The emulsions may be of water-in-wax or wax-in-water type.  Receipes are given for emulsions which include as well as the above wax, (1) rosin, amino methylpropanol and colophony-maleinate resin, (2) oxidized polyethylene wax, rosin, KOH, morpholine and said resin, (3) oxidized polyethylene wax, hydrocarbon wax, rosin, KOH, aminomethylpropanol and said resin.
Patent GB-219805-A (GB)
Title: Improvements relating to means for controlling or operating water gas apparatus
IPC: C10J3/24
Filed: 1923-07-09
Abstract: 219,805. Humphreys & Glasgow, Ltd., (Gartley, W. H., and Evans, 0. B.). July 9, 1923. Water gas plant.-In an automatic control for a water gas plant wherein time - driven cams are mounted on geared shafts 1, 2, the relative duration of the " blow " and " run " is regulated by varying the angular relation of the shafts in response to variations of heat or temperature conditions in the plant. The variation in relation of the shafts is actuated by planet gearing 4 interposed in the shaft 1 and driven by a spur wheel 7 mounted on the shaft 6 of a motor 5 which is provided with a controller comprising two movable elements 8, 9. The element 8 is operated by a pyrometer arranged to respond to temperature variations in the set while the element 9 is a non-rotatable nut having threaded engagement with the shaft 6, the box 8 being provided with contacts 11 - - 14 and the nut with insulating portions 15 - - 17 and current carrying portions 18, 19. The contacts 11, 14 are connected to the positive pole and the contacts 12, 13 to the negative pole of the motor 5, while the portions 18, 19 of the nut 9 are in contact with two leads 20, 21 from any source of current. In operation, assuming a rise in temperature in the set, the pyrometer moves the bar 8 to the left to energize the motor 5 through the circuits 20, 18, 12 and 21, 19, 14, the motor operating the ge.aring 4 to increase the relative duration of the run in respect to the blow, thus causing the temperature to fall. Rotation of the shaft, however, causes the nut 6 to move off to the left and into the same relative position to the bar 8 as before the operation, thus stopping the motor. A fall in temperature will cause the bar 8 to move to the right, establishing a circuit to rotate the motor in the opposite direction.
Patent GB-562104-A (GB)
Title: Improvements in or relating to multiple pipe and like clamps
IPC: F16L3/24
Filed: 1942-12-14
Abstract: 562,104. Clips; brackets. McEWAN KING INDUSTRIES, Ltd., and LOVE, J. Dec. 14, 1942, No. 17771. [Class 44] [Also in Group XIV] A clip device for securing one or more pipes to support comprises a clip A, Fig. 2, having a part D of the diameter required to embrace the pipe and having substantially radial ears E a standard size and distance apart, a channel member B, Fig: 3, to be slid over the ears E to secure part A on the pipe, member B being of greater width than part A so that its ends G, Fig. 5, project, and a channel member C, Figs. 4 and 5, into which the members A, B are slid, flanges H of member C overlying the ends G of members B. Member C has holes I for the fixing screws which may also pass through the outer clips of the series.
Patent GB-1427317-A (GB)
Title: Recovery of nickel and cobalt
IPC: C22B23/00
Filed: 1972-04-18
Abstract: 1427317 Recovery of nickel and cobalt NATIONAL RESEARCH DEVELOPMENT CORP 6 April 1973 [18 April 1972] 17879/72 Heading C1A A process for the recovery of nickel and/or cobalt from ionic solutions containing mineral acids other than H 2 SO 4  by treating the solution with ammonium sulphate in order to precipitate Ni and/or Co ammonium sulphate. The double ammonium salts can be converted to the corresponding ammine salts with ammonia and then reduced in hydrogen to yield the corresponding metals. In an example scrap Ni alloy containing Co, Cr, Fe and Mo is dissolved in aqueous hydrochloric acid and treated with Cl 2  to oxidize the dissolved iron into the ferric state. Ammonium sulphate is then added in sufficient quantity to cause complete precipitation of Ni and Co ammonium sulphates.
Patent GB-483197-A (GB)
Title: Improvements in and relating to closet seats
IPC: A47K13/00
Filed: 1937-06-28
Abstract: 483,197. Closet - seats. NYSTROM, O. N. R. June 28, 1937, Nos. 17975 and 17976. Convention dates, July 7, 1936 and June 8, 1937. [Class 26] A closet-seat is widened on both longitudinal sides to provide lateral projections 3 which are flush with the seat and serve as hanc supports. Projections 4 in the front of the seat serve to give the latter a tilt The seat-aperture may be of normal shape or be shaped as shown, the sides 8, 9 giving support to the thighs.
Patent GB-364510-A (GB)
Title: Aeroplane provided with a plurality of propellers
IPC: B64D35/04
Filed: 1931-06-22
Abstract: 364,510. Aeroplane power plant. SANDERS, J. A., 15, Hooge Weidelaan, Voorburg, and STOOT, F. L., 36, Ruychroklaan, The Hague, both in Holland. June 22, 1931, No. 17988. Convention date, June 24, 1930. [Class 4.] In a multi-engined aeroplane a plurality of engines drive one or two shafts from which shafts movement is transmitted to a plurality of propellers by means of a hydraulic device or devices. As shown, engines 2, 3 drive a shaft 4 the rotation of which is transmitted to propeller driving shafts 12, 13 by hydraulic devices 5, 10, 11 interconnected by conduits 6 ... 9. The engines may be arranged in different engine-rooms and each arranged to drive a part of the total number of propellers. In a double fuselage aeroplane engines may be arranged in each fuselage, those in one driving the propellers of odd number on each side and those in the other the propellers of even number.
Patent GB-111728-A (GB)
Title: Improvements relating to the Selection of Electric Currents.
Inventor: PEREGO ARTURO
IPC: H04B1/58
Filed: 1916-12-14
Abstract: 111,728. Perego, A. Dec. 14, 1916. Induction, preventing; simultaneous telegraphy and telephony.-Electric currents of a pre-determined frequency are prevented from operating a piece of apparatus by placing it in a circuit containing two opposing secondary coile of a transformer the common terminal of which and a terminal of the apparatus being connected by a circuit containing capacity and inductance or capacity or inductance only. In the arrangement shown in Fig. 1, the secondary windings S<1>, S<2> of a transformer are arranged to oppose each other and their common terminal a is connected to the terminal d of the protected apparatus R by a circuit containing a capacity C and an inductance S. When currents of a pre-determined frequency pass through the primary winding of the transformer, no current passes through the apparatus R but for other frequency currents the apparatus R is excited. In the modification shown in Fig. 4, both terminals of the apparatus R are connected to the common terminal a of the transformer windings s<1>, s<2>, through capacity and inductance. When low-frequency currents are to be eliminated from the apparatus R, the circuit a, d contains capacity only, and when highfrequency currents are to be eliminated the circuit a, d contains inductance only. The arrangement may be employed on simultaneous telegraph and telephone systems, on power mains employed for telegraphic and telephonic communication, or as an induction-preventing device.
Patent GB-515970-A (GB)
Title: Improvements in and relating to artificial limbs and the like
IPC: A61F2/80
Filed: 1938-06-17
Abstract: 515,970. Sockets for artificial limbs. EDDELS, C. W. June 17, 1938, No. 18043. [Class 81 (ii)] A socket for an artificial limb comprises a series of longitudinal elements arranged to be secured at one end to an artificial limb and forming at the free ends a socket for the stump, the adjacent elements in the neighbourhood of the free ends being pivotally linked to one another to permit the intended surface formed by the elements to conform to transient variations of the cross section of the stump. As applied to a leg socket, the device consists of a number of upright stays 6 mounted in two-part members 5 secured to ring 4 so as to permit a small movement of the stays. Ring 4 fits upon. the end projection of the artificial leg. In Fig. 5, terminal members 15 for the stays 6 are capable of limited movement about pins 16. The stays are connected by adjustable screw unions 14 to the pivot pins of a series of links 2 constituting a band. The links may be castings as shown, or formed by stampings. The pivot pins are preferably continued as U-shaped prongs 13, those on the pelvic side being flared outwardly so as to provide a yieldable support. A leather lining is connected to the prongs 13 by a lace 19, and may be formed with corrugations to facilitate ventilation. Two specially shaped links 21 may be provided in the band whereby it may have a larger radius of curvature at a desired section, e.g., on the pelvic side so that additional lining may be inserted. A catch enabling the band to be disconnected at a point in its length may be provided. There are attached to the band a rod 18 screw-threaded for engagement with a fitment secured to a waist band, and loops 17 for keeping in position braces which extend inside the cage and engage with the fitment mounted on the upper end of the artificial limb.
Patent GB-145757-A (GB)
Title: Improvements in rear-axle construction for motor-vehicles
IPC: F16H15/10
Filed: 1920-07-02
Abstract: 145,757. Kelsey, C. W. Oct. 29, 1914, [Convention date]. Axle structures.-A rear-axle structure or open framework carries friction disk gearing, a transverse differential countershaft, and reduction gear. As illustrated in plan, the structure comprises a substantially triangular angle-iron framing A having end brackets B and a central bracket C attached thereto. The wheel axles 2 are journaled in the arms 5 of the bracket C and in the brackets B. The transmission shafts 15, 17 are connected at one end to the wheel axles through toothed gearing, and at the other end through the differential gear 10 to the sleeve 7, which carries the friction wheel 8 and is journaled in the members 5. The motor shaft 30 carrying the other friction disk 32 is journaled in the bracket C, and means are provided for moving the disk axially to disconnect the driving-gear.
Patent GB-259675-A (GB)
Title: Improvements in self-filling stylographic pens
IPC: B43K8/16
Filed: 1925-07-15
Abstract: 259,675. Sweetser, G. July 15, 1925. Self-filling stylograph pens; air-supply. - In a self-filling stylograph pen of the kind in which the piston is adapted to form a vacuum behind it during the inward stroke and to co-operate with a recess in the inner wall of the barrel to enable ink to be drawn into the barrel round the piston, an airvent, which is arranged to be closed by the finger during filling, is provided through the piston-rod. The piston-rod 5, which carries the spring needle 10, is hollow and is provided with holes 7, 8, opening respectively into the atmosphere and the interior of the barrel near the front end. During filling, the hole 7 is covered by the finger to prevent the induction of air. The piston-rod 5 slides in a stuffing-box consisting of washers 3 and a cork or other packing 4 housed in a wider part of the barrel, the upper washer screwing into place to facilitate removal of the parts. A flexible sleeve 14, of sufficient diameter to leave a clearance between it and the piston-rod, may be secured to the rod in order to prevent any ink, which is trapped in the front end of the barrel and which is unable to escape sufficiently rapidly through the opening for the needle, from being forced into the air tube. The Provisional Specification also describes a modification in which the front end of the piston-rod is provided with a sleeve adapted to be moved by a spring to cover the air-hole, but normally held in position to leave the hole uncovered. In another modification, a rigid sleeve may be fixed to the piston-rod, the thin film of ink between the sleeve and rod being sufficient to prevent the induction of air during filling, but leaking sufficiently for equalizing the pressure during use. Specification 13768/05 is referred to.
Patent GB-204759-A (GB)
Title: Improvements in or relating to the manufacture of steel
IPC: C23C8/58
Filed: 1922-07-01
Abstract: 204,759. Kuehnrich, P. R. July 1, 1922. Cementation.-Iron and steel articles are hardened by suspending them in a bath of fused salt consisting of about 95 per cent of barium chloride or of a mixture of barium and calcium chlorides and of about 5 per cent of a mixture of calcium borate, potassium carbonate, potassium carbonate and potassium ferrocyanide or potassium cyanide in substantially equal proportions, the bath preferably being heated by electrical means. Specification 210/91 is referred to.
Patent GB-736860-A (GB)
Title: Improvements in or relating to blow pipes for flame cutting and removal of metal
IPC: F23D14/46
Filed: 1952-07-17
Abstract: 736,860. Flame cutting torches. BUCKLE, L. G., and BOOCOCK, R. Oct. 14, 1953 [July 17, 1952], No. 18119/52. Addition to 626,074. Class 75 (1). In the flame and oxygen cutting torch of the parent Specification the continuous and constant supply of fuel gas and oxygen for preheating is effected through a bore formed in the head or other member of a valve controlling the supplementary flow of the fuel gas and oxygen so that when the valve is closed the constant flow of gaseous mixture by-passes the valve. The constant supply of combustion oxygen passes to the preheating jet through a bore 8 in a valve plunger 7 and of gas through a bore 15 in a valve plunger 14 to ensure proper heating of the article during the cutting period when the cutting oxygen valve 4 is open. When the cutting oxygen valve 4 is closed by depressing a lever 20 the valves 7 and 14 are opened by means of a shaft 25, a crosspiece 26 and shafts 27 to supplement the constant supply of combustion oxygen and gas to provide an intense preheating flame. The extent of the opening of the cutting oxygen valve 4 is adjusted by means of a hand wheel 24.