baber/WOPTO huggingface dataset:
Patent GB-116101-A (GB)
Title: Improvements in or relating to the Breaking and Scutching of Flax, Hemp and similar Fibrous Materials.
Inventor: BENOIST AMBROISE THEODULE VICT
IPC: D01B1/22
Filed: 1918-05-21
Abstract: 116,101. Benoist, A. T. V. E., and CrÚpy, P. May 18, 1917, [Convention date]. Breaking and scutching apparatus. - Flax, hemp, &c., are passed between two rollers, one or both of which are of a curved shape and have, in addition to their ordinary rotation, an oscillatory motion imparted to them. The lower roller a is mounted on a driven shaft a<1>, and the upper roller b, which is of the shape of a surface of revolution produced by a curved generatrix, is rotated by friction or by the intermeshing of their flutes. from the roller a. Cranks d on an independent shaft e are connected through links c and universal joints d<1>, f<1>, with the shaft b<1> of the roller b. Slide-blocks g work in curved guides h. Spring j press the roller b against the roller a. The speed of the shaft a' can be varied by changegears or by stepped pulleys, and the throw of the cranks d can be adjusted. Both rollers may have a convex curvature, or one be convex and the other concave. A convex roller may be used as the lower driven one. One or both of the rollers may be plain instead of fluted.
Patent GB-1108622-A (GB)
Title: Improvements relating to jet pipes
Inventor: STEEL THOMAS
IPC: F02K1/00
Filed: 1966-02-25
Abstract: 1,108,622. Diverting propulsive thrusts. ROLLS-ROYCE Ltd. 25 Feb., 1966, No. 8535/66. Heading B7G. A jet propulsion engine has a jet pipe comprising a fixed portion 15 and rotatable portions 16, 17, 18 arranged in series, adjacent end faces of adjacent rotatable portions being inclined to the axes of the portions and being provided with epicyclic gears 33, 62 comprising annulus gears (36), (37) (Fig. 3 not shown) engaged by planet wheels (35) on a non-rotating ring (34) so that if one rotatable portion is rotated in one direction, the adjacent rotatable portion rotates in the opposite direction. The upstream rotatable portion 16 is rotatable by a motor 31 and the non-rotating rings of the epicyclic gears 33, 62 have rollers 44, 57 engaging tracks 45, 56 respectively to prevent their rotating. The track 56 is on an arm fixed to a ring 50 in which the portion 17 rotates, and is itself prevented from rotating by an arm carrying a roller engaging a track in a member 46, this track providing for thermal expansion.
Patent GB-386828-A (GB)
Title: Apparatus for stripping ingots from ingot molds
IPC: B22D29/04
Filed: 1932-03-23
Abstract: 386,828. Extracting castings. GATHMANN, E., Box 43, Carroll Station, Baltimore, U.S.A. March 23, 1932, No. 8681. 'Convention date, Oct. 6, 1931. [Class 83 (i).] A device for stripping an ingot I, Figs. 5 and 6, from its mould A has means for pushing up the bottom closure 4 and other means for pressing the mould down. Moulds A are placed on spacing ribs of stools D. Each stool has a headed rod 10, to centre the mould, and a spring catch 26, adapted to hold up the rod when raised. The stools are arranged on a truck B and prior to pouring spaced closures 3, 4 of refractory material are placed in the bottom of each mould. The truck with charged moulds is moved to the stripping apparatus and adjusted by means of rope gearing 22, Fig. 3, to bring each mould in turn into line with a fluid-operated piston 13. The mould to be operated on is clamped, by a yoke 20 and fluid actuated piston 18, and the rod 10 raised by the piston 13. The other moulds are similarly operated on and the truck with ingots partially stripped is removed to a device with tongs for lifting out the ingots. Casting processes; moulds.-The partially stripped ingots are cooled by a current of air entering through the space S, Fig. 5, thus improving their crystalline structure and allowing a greater number of ingots per mould to be cast.
Patent GB-739670-A (GB)
Title: Softening of rubber
IPC: C08K5/14
Filed: 1954-03-25
Abstract: In order to facilitate the softening of the rubber in natural rubber latex by treatment with free oxygen, an alkylene polyamine and an organic hydroperoxide are added thereto, e.g. each in a weight of from 0.05 to 5 per cent of the weight of latex solids. The preferred alkylene polyamines have the general formula NH2(CHR1-CHR2NH)xH, where R1 and R2 are aliphatic monovalent hydrocarbon radicals or hydrogen, and X is an integer from 1 to 6.  The organic hydroperoxide may consist of cumene, p-menthane, p-cymene, t-butyl, 1-phenyl-cyclohexane, di-isopropyl-benzene, or t-butyl isopropyl benzene hydroperoxide.  To prepare softened rubber the latex mixture may be treated with free oxygen at temperature of 15 DEG  to 90 DEG C. until the desired proportion of oxygen has been absorbed, and then treated for separating the softened rubber. The proportion of oxygen absorbed may be controlled by adding a small amount, e.g. 0.1 to 0.5 per cent by weight of latex solids, of ethylenediamine tetra-acetic acid or an alkali salt thereof. In one example to centrifuged Hevea rubber latex concentrate of 62.5 per cent total solids, preserved with ammonia, are added 0.6 per cent of ethylene diamine, as a 20 per cent aqueous solution, and 0.8 per cent of cumene hydroperoxide, based on the weight of latex solids.  The mixture is agitated in a closed vessel in an atmosphere of oxygen at 30 DEG  C. and at 1 atmosphere pressure for a period of two hours.  A solution in aqueous ammonia of ethylene-diamine tetra-acetic acid is added and agitation continued for ten minutes when oxygen absorption substantially ceases.  The latex mixture may, alternatively, be agitated in an atmosphere of oxygen and nitrogen.  Other examples of polyamines that may be used comprise diethylenetriamine, triethylene tetramine, tetraethylene pentamine, and pentaethylene hexamine.
Patent GB-797081-A (GB)
Title: A device for copying apparatus for controlling the relative motion between a workpiece and a tool
IPC: B23Q35/36
Filed: 1955-03-25
Abstract: 797,081. Copy-milling; copy-turning. DUPLOMATIC SOC. R.L. MECCANICA APPLICAZIONI OLEODINAMICHE. March 25, 1955 [June 19, 1954], No. 8702/55. Class 83 (3). A tracer-head A for a copy-milling, turning, &c. machine comprises a feeler 22 co-operating with a template K to control relative feeding- movement of the tool and work towards each other, and relative traverse at right-angles to the feed, in order that the traverse may be retarded for steep gradients of the pattern and stopped for perpendicular rises. Undercutcurves, involving a reversal of the direction of traverse, may also be machined. The feeler 22, universally-mounted in a bearing 26 slidable in an adjustable cap 28, has a conical-seating 20 for a ball 18 which engages a similar seating in a slider 16 having a groove 32, 34 of curved or conical-section to receive a further ball 36 in engagement with a slider 40. The sliders 16, 40 operate distributing-valves 12, 54 controlling the supply of pressure-fluid from a generator C, with a relief-valve D, to a ram F for feeding the work and pattern towards and away from the tool and feeler, and to a ram G for traversing the work and pattern. The tracer-head as a whole, cylinder 56 for the distributing-piston 54 and a movable housing 42 for the cylinder 56 are set, Fig. 4, so that the feeler 24 is slightly inclined to the vertical when it contacts a horizontal surface. In this setting, which as regards the housing is effected by an adjusting- screw 48 and as regards the cylinder by rotating the cylinder in screw-threads in the housing, ports 77, 78 in the cylinder 10 to control jack F are closed by the piston 12, and fluid is fed through a port 71, in the housing 42, to jack G for traversing the work and pattern in direction X, fluid exhausted from chamber G<SP>11</SP> of the jack entering the distributing-piston through a port 70 and being discharged through port 68. Upon encountering a rise K2 in the pattern, the feeler rises and is further deflected from the vertical, raising slider 16 and distributing-valve 12 to connect fluid-supply port 74 with the port 77 supplying fluid-pressure to ram F, which feeds the pattern and work in a direction away from the feeler and tool, movement of slider 16 also moving slider 40 and distributing-valve 54, which reduces (or seals in the case of a perpendicular rise on the pattern) the flow-passage between ports 66, 71, and hence slows the rate of traverse of the pattern and work. Should an undercut surface K3, Fig. 5, be encountered in the pattern, the feeler moves towards the vertical and downwards, under the influence of a spring 14, to connect port 74 with the port 78, and port 66 with port 70 for feeding the work and pattern towards the tool and feeler and reversing the direction of traverse. A spring 58 of lesser strength than spring 14, acts behind valve 54.
Patent GB-140800-A (GB)
Title: An improved motor and other vehicle wheel
IPC: B60C7/12
Filed: 1920-03-25
Abstract: 140,800. Fowler, J. W. Feb, 8, 1919, [Convention date]. Spring wheels with sectional outer guided members.-Relates to wheels in which the outer periphery is formed with radial recesses in which blocks rest upon shock-absorbing pads, the blocks normally projecting beyond the edges of the recesses. The blocks 5 reciprocate in pockets between webs 3 and rest upon pads 6 of rubber &c., cupped at 7 to provide an air space. Bolts 11, passing through slots 10 in the blocks, limit the outward radial movement, and keep-rings 8 and bolts 9 secure the whole laterally. When two rows of blocks are used, these are staggered relatively so as to provide a substantially continuous tread. The outer ends of the blocks may be shod with metal, leather, compressed paper, belting, &c.
Patent GB-844530-A (GB)
Title: Improvements in particle accelerators
Inventor: PODLIASKY ILIA
IPC: H05H7/18
Filed: 1957-03-18
Abstract: 844,530. Coaxial resonators. COMMISSARIAT A L'ENERGY ATOMIQUE. March 18, 1957 [March 16, 1956], No. 8840/57. Class 40(8). [Also in Groups XXXV, XL(a) and XL(c)] Coaxial line resonators 31, 32 in which ferrite rings 33 fill the spaces between the conductors are used as variable inductances in the R.F. circuit of a frequency modulated particle accelerator (see Group XL(a)). Annular air spaces may be provided between the ferrite rings and the outer conductors to provide a suitable characteristic impedance and phase velocity. A polarization winding connected to terminals 37 is contained within the inner conductors 29, 30.
Patent GB-1413356-A (GB)
Title: Process for the manufacture of fibrids of thermoplastics materials
IPC: D01F11/04
Filed: 1973-02-23
Abstract: 1413356 Fibrids of thermoplastic materials BADISCHE ANILIN- & SODA-FABRIK AG 23 Feb 1973 [25 Feb 1972] 8938/73 Heading B5B Fibrids (i.e. short fibres) of a thermoplastics material are made by introducing a high-speed propulsive jet and a slower-moving stream of a liquid co-currently into a mixing tube arranged coaxially with the jet, whereby a shear gradient is set up in the mixing tube between the highspeed jet and the slower-moving liquid stream, and feeding the molten thermoplastics material through a die into the region of the shear gradient, whereby the thermoplastics material is broken up into fibres by the action of shear stresses within the region of the shear-gradient. Specified thermoplastics materials include polyethylene, polypropylene and their waxes and extended waxes, polyamides, polyesters, polyvinyl chloride and polystyrene. In Fig. 1, the apparatus is enclosed in container 4. Melt is supplied via 6 to outlet orifice 2; the spinning medium, suitably water, is supplied via 5 to the outlet orifice 1 of the propulsive jet; 3 is the impulse exchange chamber or mixing tube. If the relatively slow-moving stream of liquid entrained from the container is replaced by liquid coming from a pump, the container may be dispensed with, as in Fig. 2, where 7 is the feed-line for the slow-moving medium (water) spinning being effected in tube 3 which acts as impulse exchange chamber.
Patent GB-844236-A (GB)
Title: A rigid and compact electric battery structure and method of making same
IPC: H01M10/16
Filed: 1958-03-20
Abstract: 844,236. Batteries. ELECTRIC AUTOLITE CO. March 20, 1958 [April 3, 1957], No. 8940/58. Class 53. The plates and separators of an accumulator are cemented to parts of the container so that the whole accumulator forms an integral unit. Fig. 4 shows a construction in which the plates are formed with feet 28 which, with the adjacent parts of the separators, are bonded to the supports by a synethetic resin, for example, of the epoxy, furfural or phenolic type. The resin may be applied as a viscous ribbon to the upper surfaces of the supports, or as shown in Fig. 4, the resin 36 may be extruded on to the electrode feet 28 while the assembly is inverted. When the assembly is placed in the container the resin becomes bonded to the supports. In a modification the sides of the plate-separator assembly are bonded to the sides of the container.
Patent GB-452644-A (GB)
Title: Improvements relating to tiles and plates
IPC: C04B28/04
Filed: 1936-03-26
Abstract: Tiles and plates comprising a mixture of sawdust, blood and Portland cement are made either by saturating sawdust with blood and drying or mixing dried blood and sawdust, and adding the mixture to Portland cement, sufficient blood being then added to enable the mixture to be moulded.  Fillers such as peat powder, chaff, powdered bark, charcoal, cork, or colours may be also incorporated in the mixture.
Patent GB-472609-A (GB)
Title: Improvements relating to maximum demand instruments for use in electricity supply systems
IPC: G01R11/60
Filed: 1936-03-27
Abstract: 472,609. Supply meters. CHAMBERLAIN & HOOKHAM, Ltd., and JAMES, S. March 27, 1936, No. 9129. [Class 37] The invention relates to a maximum demand instrument of the type described, for example, in Specification 426,362, comprising a warning signal or switch adapted to be operated by a periodically zeroized device advanced under the joint control of load responsive means and constant speed means such as a clock. According to the invention the rate of motion of the load responsive means is variable to suit different maximum demands. The warning indicator a 'is actuated when contacts care closed by a cam d or the like advanced, for example, as described in Specification 426,362 under the joint control of load responsive means and of clock driven means, and periodically zeroized by an electromagnet f energized over a switch g closed periodically by a timing device. In a D.C. system the rate of the load responsive means is varied by connecting the current coil e thereof to an adjustable shunt j, for example, by a selector switch l which may be graduated according to the different maximum demands. Alternatively, if a potential coil is also provided, the excitation thereof may be varied by a potentiometer, or both coils may be a justable. In the case of A.C. load responsive means the excitation of the current, and, or, pressure coils may be varied, for example, by variable tappings on the current and potential transformers therefor.
Patent GB-415837-A (GB)
Title: Improvements relating to hand-propelled trucks
IPC: B62B1/08
Filed: 1933-03-27
Abstract: 415,837. Hand trucks. WILKINSON, G. A., 67, Grange Road, Dudley, Worcestershire. March 27, 1933, No. 9141. [Class 108 (i).] In platform or bin trucks of the kind which are provided at one end by a turntable and a draw bar, the turntable is omitted and a bracket is provided adapted to be engaged by a separator wheel unit having a draw bar. As shown a platform 10 is provided with rear wheels 11 and front supporting legs 12 and a bracket 15 having a socket 16 adapted to be engaged and raised by a wheel unit comprising a member or casting 19 provided with a shank 24, projections 26, 27 and a draw bar 23. The projection 26 serves as a pedal to facilitate raising of the platform 10 while the projection 27 serves to enable the draw bar to be kept upright when the wheel unit is disengaged.
Patent GB-138227-A (GB)
Title: Improvements in brush holders for use with dynamo electric machines, and for like purposes
IPC: H01R39/38
Filed: 1919-04-11
Abstract: 138,227. Electric Construction Co., and Stirrup, P. J. April 11, 1919. Brush-holders.-In brushholders of the type in which the brush A is pressed forward by a spring e' contained within an adjustable part E, the carrier C is formed with a recess f<1> having a surface f<2> inclined to the part E and containing a ball, roller, or wedge to act as a wedge between the carrier and the part E. The ball f is pressed forward preferably by a spring f<3> and prevents the part E from moving away from the commutator, while allowing it to be moved towards the commutator.. The ball f may be pressed out of engagement with the part E by means of a lever G the end of which projects into the recess. The spring e<1> presses on the brush A, which slides in the carrier B, through a part e which slides in the guide E. The brush A may be removed by withdrawing the guide E. Where the brush-holder is placed beneath the commutator, the spring f<3> may be dispensed with.
Patent GB-245645-A (GB)
Title: A shock absorbing apparatus for use in connection with aircraft
IPC: B64C25/60
Filed: 1925-04-07
Abstract: 245,645. Hughes, W. T. April 7, 1925. Fluid - friction vibrationdampers. - In a telescopic shock-absorbing apparatus for use on aircraft, the collapsing effort is transmitted to a free piston or diaphragm, the movement of which is resisted by fluid friction, movement in the opposite direction being free. The tubes 1, 4 telescope into one another and the piston 5 is free to move in the inner tube 1 within limits determined by a shoulder at the lower end of the tube and the spring 2. A tube 6 passes through a hole in the end of the free piston leaving a small annular space through which oil &c. flows from the space 9 below to the space 3 above the piston when the apparatus is collapsed. The fluid friction may be varied bv variation in the diameter of the tube 6. When the apparatus is fully collapsed, the piston 5 bears on the upper end of a fixed column 10, the weight being then taken directly by the spring. The flared lower end of the tube 6 bears on a leather &c, washer and the tube is slightly free endwise. The return or upward movement of the piston 5 and the tube 1 is free since oil &c. may flow freely from the upper space 3 to the lower space 9 through the tube 6, which is then lifted off its seat, and holes through the sides of the column 10.
Patent GB-826335-A (GB)
Title: Improvements in and relating to spring bases for beds and the like
IPC: A47C23/16
Filed: 1958-03-21
Abstract: 826,335. Spring upholstery. ETABLISSEMENTS BERTRAND FAURE. March 21, 1958 [March 21, 1957], No. 9226/58. Class 52(4) A spring base for a bed has parallel sinuous springs 2 stretched between the short sides 1 2  of a rectangular rigid frame and auxiliary transverse similar springs 3 stretched between the long sides 1 1  of the frame, the springs 2, 3 being fastened together at their intersections by clips 4. Springs 2 are connected to the frame 1 by short hooks 5 and the springs 3 are connected to the frame by elongated hooks 6 having their outwardly-turned free ends inserted into holes 7 in the frame. Links 8 maintain the outside springs 2 parallel to the frame. For double beds the sides 1 2  are made as curved rigid elements or are reinforced by curved elements 9 to make the spring surface convex and flexible stiffening elements are provided in the form of wires 11 attached to the frame by tension springs 12. In an upholstered base, Fig. 3, the sides of the springs are hooked to the frame by wires 16 having one arm attached to the frame and the other to a second frame 17 mounted thereabove.
Patent GB-1366954-A (GB)
Title: Printed circuits
IPC: H05K3/12
Filed: 1972-02-04
Abstract: 1366954 Printed circuits JOSEPH LUCAS (INDUSTRIES) Ltd 4 Feb 1972 [13 April 1971] 9265/71 Heading H1R A method of making printed circuits comprises providing an insulating layer covered with conductive material, masking the conductive material with a resist, and removing unwanted conductive material by etching using a chemical solution which does not attack the resist or insulating layer, the resist being solder. The insulating layer may be of synthetic resin and the conductive material a copper layer, which is covered in the areas where the circuit is required with the solder resist. Ammonium persulphate is used to remove the unmasked copper and after washing, the circuit is ready for use. The solder may be applied in the form of a paste, e.g. a standard tin-lead paste, by printing, preferably by a screen printing technique. Alternatively flux may be printed into the copper and the unfluxed areas may be coated with dilute sodium sulphide. The fluxed and coated insulating layer is then dipped in a solder bath.
Patent GB-1007322-A (GB)
Title: Method for the co-polymerization of formaldehyde and acetaldehyde
IPC: C08G2/20
Filed: 1962-07-12
Abstract: Formaldehyde and acetaldehyde are copolymerized in the presence of a solvent of the two monomers which is not a solvent for the polymers of the polymers or copolymers of the monomers, and of a polymerization catalyst other than naphthalene-sodium. The solvent may be anhydrous and polar-diethyl ether, ethylene glycol dimethyl ether and tetrahydrofuran are specified.  The polymerization may take place at below ambient temperature and under vacuum or under an inert atmosphere. Specified catalysts are tertiary amines, e.g. tributyl amine.  Specification 927,819 also is referred to.
Patent GB-1010644-A (GB)
Title: Nuclear reactor fuelled with settled particulate
IPC: G21C1/24
Filed: 1963-03-08
Abstract: 1,010,644. Reactors. UNITED STATES ENERGY COMMISSION. March 8, 1963 [June 5, 1962], No. 9283/63. Heading G6C. A settled particulate fuel nuclear reactor includes an inner cylindrical member 19, a centrifuge 23 in the form of at least one pipe extending radially and having its end bent to discharge tangentially, and a coolant inlet pipe 31 which, in conjunction with the upper portion of the cylindrical member, forms a jet pump 35. Valves 53, 61 are provided for fuelling and withdrawing fuel respectively from the stainless steel reactor vessel. In a modification (Fig. 3, not shown) coaxial inlet and outlet coolant pipes enter the top of the reactor; a deflector reverses the incoming coolant immediately below the jet pump. The reactor utilizes liquid sodium as the coolant, and the fuel may be oxides of uranium, thorium or plutonium. Fertile materials may be included in the fuel. Fission product traps can be included in the coolant circuit, and a feature of the centrifuging used to separate the fuel particles from the coolant prior to it leaving the reactor vessel is that gaseous fission products will also be separated and leave the reactor with the coolant. Heat may also be extracted from the reactor through conduction from the reactor vessel walls.