baber/WOPTO huggingface dataset:
Patent GB-829175-A (GB)
Title: Method of producing very pure silicon or germanium
IPC: C01G17/00
Filed: 1958-06-19
Abstract: An hydride of germanium or silicon is purified by passage through a suspension of an alkali metal hydride containing an organic compound of aluminium or boron as activator, and the purified hydride is decomposed into its elements.  SiH4, GeH4, and Si2H6 may be thus purified.  The alkali metal hydride may be sodium hydride. Activators specified are trialkyl, e.g. trimethyl, triethyl, triperopyl, tributyl, or triisobutyl, alkyl hydride, alkyl alkoxy, and alkoxy compounds of boron or aluminium.  The activator may be produced in situ, e.g. aluminium triethyl may be produced by the interaction of sodium ethyl and aluminium chloride.  5-20 mol. per cent of activator based on alkali metal hydride may be employed.  The suspension medium may be an aliphatic or aromatic hydrocarbon. Purification may take place at a temperature of 50-150 DEG  C., preferably at 80-120 DEG  C.  A number of purification vessels in series, the last initially containing no activator, may be employed. Examples are given.ALSO:A hydride of germanium is purified by passage through a suspension of an alkali metal hydride containing an organic compound of aluminium or boron as activator, and the purified hydride is decomposed into its elements.  Ge H4, may be thus purified.  The alkali metal hydride may be sodium hydride.
Patent GB-1285574-A (GB)
Title: Improvements in or relating to filters
Inventor: TAYLOR ROLAND
IPC: B01D46/24
Filed: 1969-04-17
Abstract: 1285574 Filter UNITED KINGDOM ATOMIC ENERGY AUTHORITY 3 April 1970 [17 April 1969] 19786/69 Headings B1D and BIT A filter for removing liquid sodium droplets from the blanket gas of a sodium-cooled nuclear reactor comprises a wound spiral roll of several layers of woven or knitted stainless steel mesh, a minority of the layers being of thicker wire and wider mesh than the others. One or more such filters are fitted tightly into an inclined tube for axial flow therethrough, and maintained at 150C, at which temperature the sdoium does not wet the mesh. The coalesced sodium may drain from either end of the tube depending on the gas velocity.
Patent GB-320120-A (GB)
Title: Improvements in or relating to gramophone sound boxes
IPC: G11B3/46
Filed: 1928-07-07
Abstract: 320,120. Benjamin, M., and British Ideal Patents, Ltd. July 7, 1928. Securing tools to tool-arms.- That portion of the stylus engaging the socket 1 is gripped through. out its length by an intermediate movable jaw acted upon bv a screw, cam, or equivalent. Fig. 1 shows a jaw 5 of channel section freely suspended from a cross-pin 6 and acted upon bv a screw 2 to clamp the stylus 4. In a modification, the jaw is formed as a resilient split tube embracing the stylus.
Patent GB-211795-A (GB)
Title: Improvements in shock and vibration absorbing and damping devices
IPC: F16F1/40
Filed: 1923-08-02
Abstract: 211,795. Weydert, H. J. Aug. 2, 1923. Pneumatic springs; india-rubber springs; helical springs; buffers.-In shock and vibration absorbing devices of the kind wherein a number of separate resilient elements of different resistance are combined together so as to permit braking or absorption of loads in a regularly progressive manner, one or more enclosed elastic pneumatic elements, preferably having valves, are employed and a brake of known construction may be provided to damp the return of the absorber to its original position. In the form shown in Fig. 1, the pneumatic chambers 1 are mounted in the plates 6 by means of jackets 3 of fabric which is extensible as regards the length of the jacket but inextensible transversely. If desired, the ends of the chambers may also be enclosed. The plates 6 are guided by rods 9 in sleeves 10 and are provided with abutments 7 to limit the compression of the elements. The return of the absorber to normal position is damped by oil brakes comprising apertured pistons 12 in cylinders 15. The other compression elements of the device may be helical springs as shown, spiral conoidal springs, helical or conoidal springs embedded in rubber, or rubber cushions of various forms such as solid blocks 4<1>, Fig. 7, blocks 1', 2<1>, 3' perforated to different extents, hollow cylinders, and cylinders or blocks with metal plates embedded therein. Rubber blocks of different degrees of resilience may also be employed. The devices are adapted for use on aeroplanes, as vehicle suspensions, or for damping shocks in mechanism.
Patent GB-633390-A (GB)
Title: Improvements in grinding and polishing machines
IPC: G04D3/00
Filed: 1947-07-23
Abstract: 633,390. Grinding and polishing. McCLURE, J. D. July 23, 1947, No. 19819. [Class 60] In a grinding and polishing machine having a rotating grinding and polishing wire 29 which is reciprocated longitudinally through the workpiece, the wire is positively held at one end only and rotated at high speed, while the work-piece is rotated and oscillated continuously to vary the angle made by its axis with the axis of the wire. An electric or air turbine motor drives, through belting, a pulley 41 to rotate the wire 29, a pulley 30 to rotate the work-holder 28 and a pulley 8 to rotate, through change, gearing, a shaft 11. The latter carries a cam 12, actuating a lever 45 to reciprocate the wire, and an adjustable crank 15, connected by adjustable links 17, 19, to oscillate the workholder about pivots 23. The cam and crank are adjusted out-of-phase. The wire is guided at its upper end by felt pads in an adjustable bracket 37 and by a guide 48. Olived holes may be formed in watch-jewels, diamond-dies, &c. The Specification also refers to a machine in which the wire is held positively at both ends whilst being rotated and reciprocated through a rotating and oscillating work-piece.
Patent GB-961117-A (GB)
Title: Method and apparatus for refining surface contaminated metals
IPC: C22B4/00
Filed: 1963-05-20
Abstract: 961,117. Arc desurfacing; welding by fusion. UNION CARBIDE CORPORATION. May 20, 1963 [May 24, 1962], No. 19890/63. Headings B3R and B3V. [Also in Division H5] In a process of arc refining or cleaning the surface of a metal body, e.g. a rod or sheet, a direct current arc struck between a non-consumable electrode and the body is advanced across the body to subject its surface to incipient fusion. A consumable electrode 15 fed by rolls 35 to an arc melting crucible 29 is surface refined by an arc between an annular fluid cooled electrode ring 11 as anode and the electrode 15 as cathode. Adjacent the ring 11 is a coil 13 supplied with direct current which sets up a field 17 causing the arc to rotate round the electrode 15. In a modification the refining apparatus is part of a welding head and surface cleans a consumable electrode as it is fed to the welding arc.
Patent GB-359418-A (GB)
Title: Improvements in or relating to pumps
IPC: G01F3/06
Filed: 1930-07-12
Abstract: 359,418. Rotary pumps ; stuffing- boxes. MARTIN, MOULET, ET CIE, 51, Boulevard Emile Zola, Oullins, Rhone, France. July 12, 1930, No. 19910/31. Convention date, March 5,1930. [Classes 110 (ii) and 122 (v).] In a rotary or reciprocating pump for petrol &c. in which one of the walls 50 is movable by excess pressure against the action of a spring 51 to effect a byepass between the suction and discharge sides of the pump, the wall can be operated by a rod 56 for byepassing, priming, or auxiliary pumping. As shown, drum 24 on a shaft 24a, revolving in an eccentric chamber 23 is provided with vanes 25, 26 pressed apart by springs. The wall 50 is packed by a diaphragm 90 and is connected to the rod 56 by a ball-joint 49. The pump is provided with inlet and discharge valves, the movement of which is limited by stops, and the suction passage is provided with a filter. The stuffing-box of the spindle 24a is supplied with lubricant at a pressure greater than that of the petrol &c. pumped by means of a passage 40 and lantern ring 33. The packing is compressed by means of a nut 34 and spring 35. Rotation of the nut 34 and ring 33 is prevented by means of studs 36, 37 engaging slots. Specification 361,313 is referred to.
Patent GB-1328444-A (GB)
Title: Crystallisable polybutene-1 thermoplastic compositions
IPC: C08K5/42
Filed: 1971-04-19
Abstract: 1328444 Crystallizable polybutene-1 thermoplastic compositions CHEMISCHE WERKE HULS AG 19 April 1971 [21 Jan 1970] 20024/71 Heading C3P A crystallizable thermoplastic composition comprises a polybutene-1, and, as an additive, a compound of Formula I where X is -OH or -OM, M is alkali metal, m is 1 or 2, R is C 1-4  alkyl or optionally substituted phenyl, n is 0, 1 or 2, Y 1  is amino, alkylamino or arylamino, o is 0, 1 or 2, Y 2  is -OH, -OM or halogen, p is 0 or 1, Y 3  is an NO 2 , carboxyl or carboxylate group and q is 0 or 1. The additive may be present in an amount of 0À005 to 2% by weight of the composition. The compositions may be shaped or granulated to form articles or particles, or formed into films.
Patent GB-771093-A (GB)
Title: Envelope opener
IPC: B43M7/00
Filed: 1955-07-11
Abstract: 771,093. Opening envelopes. ROSS, J. P. July 11, 1955, No. 20058/55. Class 31 (1). An envelope opener comprises a base 5 having a front wall 6 provided with a horizontal guide slot 11 adapted to receive an envelope inserted edgewise therein, a pair of cutter blades 18 each pivoted at an end thereof on a bolt 12 projecting rearwardly from the front wall 6 adjacent the ends of the slot 11 for vertical swinging movement transversely of and at the opposite side edges of an inserted envelope, the other ends of the cutter blades each being provided with a roller 22, and a vertically slidable member 25 provided with a handle 24 overlying the rollers 22, the handle being depressed to swing the cutter blades downwardly against the action of springs 14 encircling the bolts 12. End portions 21 of the springs engage the rear surface of the front wall 6 behind the slot 11 to act as stops for an inserted envelope. The slot 11 is formed in a flange 10 projecting upwardly from a shelf 9 secured to the front wall 6 which is provided with extensions 7 between which it has a bevelled stationary cutting edge 8. The other end portions 15 of the springs engage the base 5. Parts 16 of the springs underlie pins 17 projecting from the rear surface of the cutter blades. Stops 20 limit the upward swinging movement of the cutter blades. A stop 28, Fig. 5, for limiting the upward movement of the handle 24 may be flexed rearwardly to permit removal of the handle and slide to enable clippings to be cleared from the device.
Patent GB-1086406-A (GB)
Title: Improvements relating to ferrimagnetic material
IPC: C04B35/26
Filed: 1966-05-06
Abstract: 1,086,406. Magnetic compositions. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. May 6, 1966 [May 10, 1965], No. 20145/66. Heading H1H. A ferrimagnetic material has the composition where M<SP>II</SP> is one or more of Mn, Fe, Ni, Cu, Zn, Mg, or the complex (Li<SP>I</SP> + Fe<SP>III</SP>)/2, and where 1#a#0, 0À6#b#0, 0À3#c#O, 2#d#0À5, and 2#e#0À1. It may be prepared from the component oxides, or oxide yielding compounds, e.g. carbonate, or compounds containing at least 2 of the oxides. The mixture may be ground, e.g. in alcohol, dried, presintered and ground one or more times, shaped with or without a binder, and sintered. Sintering may be effected at 1000-1450‹ C. in air or O 2 , in the presence of silicates or fluorides. After final grinding, the material may be orientated in a rotating magnetic field, and compressed in the orientated state. Alternatively, the initial mixture may be melted, and single crystals grown. The product is similar in crystal structure and properties to that of Specification 833,053.
Patent GB-1425402-A (GB)
Title: Compositions for use in making mechanically frothed vinyl  chloride polymer foams
IPC: C08J9/30
Filed: 1973-04-27
Abstract: 1425402 Foamable vinyl chloride polymer compositions and foamed blended polymers TORAY SILICONES CO Ltd 27 April 1973 20154/73 Headings C3P and C3C A mechanically foamable composition comprises (a) an organic liquid having a surface tension of at least 22À2 dynes per centimetre at 20‹ C. when in contact with air, (2) an organosiloxane copolymer containing SiO 4 / 2  units and (CH 3 ) 3 SiO 1 / 2  units and Q(CH 3 ) 2 SiO 1 / 2  units, where Q is a radical containing a solubilizing group which makes the siloxane copolymer compatible with material (4) and the ratio of SiO 4 / 2  units to the total of (CH 3 ) 3 SiO 1 / 2  units and Q(CH 3 ) 2 SiO 1 / 2  units is from 1 : 0À6 to 1 : 1À2, (3) an organic polymer selected from (i) polyacrylates, (ii) polyvinyl ethers, (iii) polyvinyl acetate, (iv) copolymers containing a major proportion of (i), (ii) or (iii), (v) natural rubber or (vi) synthetic rubber, and (4) a vinyl chloride resin which is either (A) a plastisol which is a mixture of (a) a particulate polyvinyl chloride resin or a resinous copolymer of a major porportion of vinyl chloride and a minor proportion of a copolymerizable monomer, and (b) a high boiling organic liquid plasticizer which is substantially a non-solvent for the particulate resin at ordinary temperatures but is capable of dissolving the resin at elevated temperatures to form a single phase material which upon cooling to ordinary temperature is a solid material, or (B) a polyvinyl chloride resin or a resinous copolymer containing a major proportion of vinyl chloride and a minor proportion of a copolymerizable monomer. In examples plastisols of polyvinyl chloride or vinyl chloride/ vinyl acetate copolymer with dioctyl phthalate are used. The organic liquid may be xylene, toluene or methylethyl ketone, the siloxane copolymer contains units of (CH 3 ) 3 SiO 1 / 2  or NH 2 (CH 3 ) 2 SiO 1 / 2  in addition to SiO 2  units and the organic polymer may be polyvinyl ether, styrene/butadiene rubber, polyvinyl acetate, natural rubber, a methyl acrylate-butyl acrylate copolymer or polybutyl acrylate. The compositions preferably contain 1 to 10% by wt. of the mixture of components (1), (2) and (3) and from 90 to 99% by wt. of vinyl chloride resin based on the ultimate solid foam.
Patent GB-511391-A (GB)
Title: Improvements in or relating to the manufacture of mineral wool fibres
IPC: C03B37/06
Filed: 1938-07-08
Abstract: 511,391. Making slag-wool. DEUTSCHE EISENWERKE AKT.-GES. July 8, 1938, No. 20252. Convention date, July 17, 1937. [Class 56] [Also in Group XXVIII] Cement or other dust is coated on or incorporated in slag-wool fibres by adding the dust to the blast used for forming the fibres with or without the help of a rotary disc. The wool may be wound on to a drum and treated with a setting liquid to form a tube which may be used in this form or cut axially and flattened.
Patent GB-938587-A (GB)
Title: Electrode measuring device
IPC: A61B5/00
Filed: 1960-06-09
Abstract: 938,587. Medical tests. D. E. CARRITT, and J. W. KANWISHER. June 9, 1960, No. 20346/60. Class 81 (2). [Also in Group XXXVI] The oxygen concentration in blood is determined by use of an electrolytic cell in which the electrodes and the electrolyte are enclosed by an oxygen permeable membrane, and the cell constitutes the plunger of a hypodermic syringe. Polyethylene membrane 226 is secured over the end of a dielectric block 212, and encloses a paper disc 224 saturated with an alkaline electrolyte, which may include potassium hydroxide and chloride, and electrodes 214 and 216 of platinum and silver respectively mounted in the block 212. Electrode 216 is coated with an oxide, chloride or hydroxide by a preforming operation before assembly. The cell is used with a temperature compensated potentiometer circuit, the current generated by the cell being proportional to the concentration of oxygen, which is reduced at the platinum electrode.
Patent GB-202629-A (GB)
Title: Improvements in the manufacture of sulphuric acid
IPC: C01B17/86
Filed: 1923-08-10
Abstract: In the manufacture of sulphuric acid the Glover and Gay-Lussac towers are employed without filling, and cold acid is sprayed over the whole inner surface of the walls to produce a thin layer of acid, and also, by impact a fine shower of acid within the tower. Specifications 3189/73, 20171/08, 15459/12, 19084/13, 149,648, 184,966, and 198,332 are referred to.  The Specification as open to inspection under Sect. 91 (3) (a), states that the use of empty towers &c. provided with sprays in accordance with the parent Specification may be applied generally, in the treatment of liquids with gases.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1034847-A (GB)
Title: Improvements in the cooling of turbo-generator rotors
IPC: H02K3/24
Filed: 1963-05-22
Abstract: 1,034,847. Cooling dynamo-electric machines. SOC GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES (ALSTHOM). May 22, 1963 [May 23, 19621, No. 20436/63. Heading H2A. In a liquid-cooled turbo-generator motor 5 comprising a substantially cylindrical metal body having disposed in longitudinally extending slots 8 rotor pole windings 7, the winding in each slot comprises two radial stacks of conductor bars 1 disposed respectively on opposite sides of a radial stack of at least two metal cooling tubes 2 which are in good heat exchange relationship with the bars and are so connected for the through flow of cooling liquid e.g. distilled water that in each slot the direction of flow through every tube is opposite to that through the or both adjacent tubes. In the embodiment, shown, the tubes in each radial level of the two slots of a winding are at one end connected together and at the other end connected through inlet and outlet manifolds 6A, 6B, and flexible insulating and metal tubes 11, 12, to inlet and outlet headers 9, 10; from thence the connections are through rotor shaft passages 15 ... 18, and inlet and outlet chambers 13, 20, to a pump, reservoir tank and heat exchanger. Alternatively, the inlets and outlets are at respective ends of the rotor. The cooling water circuit may be associated with that of the stator, and the tubes 2 may carry part of the energizing current in which case they are of copper of cross-section comparable with that of the bars 1.
Patent GB-726039-A (GB)
Title: Means for securing handles to metallic containers or parts of containers
IPC: A47B95/02
Filed: 1953-07-23
Abstract: 726,039. Portable container and vessel handles. FRITSCH, W., FRITSCH, P., FRITSCH, O., and FRITSCH, E., [trading as FRITSCH & CO.]. July 23, 1953 [July 24, 1952], No. 20451/53. Class 66. [Also in Group XXV] The handle 6 preferably of a synthetic moulded material, for example of a pressure cooker, is formed integrally with an attachment strap 7 having two apertures 8 in each of which is seated a threaded ring 5 fixed to the container wall 3 by means of a rivet 4 and bearing a correspondingly threaded nut 9 whereby the handle is secured to the container. Preferably the nut 9 is made of synthetic moulded material similar to the body of the handle 6 and is provided with a screw-head.
Patent GB-1016901-A (GB)
Title: Improvements in or relating to roof support devices for roofs in underground mines
Inventor: BIGGS FREDERICK JOHN
IPC: E21D15/60
Filed: 1961-06-07
Abstract: 1,016,901. Locks. N. J. MUSCHAMP & CO. Ltd. March 13, 1962 [June 7, 1961], No. 20484/61. Heading E1E. A mine roof support chock assembly as disclosed in Specifications 684,403 and 766,632 is provided with releasable retaining safety means operably associated with the catch members 15, 16 and the remote-control lever means 25, 26, 100, 102 to prevent inadvertent release of the catch members other than by release of the said lever means. When the lever means 25, 26,100,102, are operated to release the catches 15, 16 they actuate subsidiary levers 106, 107 to raise pegs 112, 113 clear of cross-bars 20 of the catches to allow cam ends of the levers 25, 26 to release the catches from the recesses 22 thereby releasing the chocks 11, 12.
Patent GB-1105163-A (GB)
Title: Construction element, particularly for roofs
IPC: E04F10/08
Filed: 1965-05-14
Abstract: 1,105,163. Buildings with centrally-supported roofs. L. MANCINI. 14, May, 1965 [15, May, 1964], No. 20508/65. Heading E1A. A roofing panel of monolithic construction adapted to be mounted in cantilever fashion on a central support, Fig. 3 (not shown) to provide, for example, a railway platform shelter, is in the form of an upturned box having two opposed sides 2 provided with reinforcing ribs 4, 5 which interconnect said sides with the bottom wall 1 and overlap at their ends as shown. For circular and assymmetrical forms of roofs together with mode of attachment and additional reinforcements the Specn. should be referred to. The panels may be made of synthetic resin reinforced with glass fibre.
Patent GB-827027-A (GB)
Title: An arrangement for mounting reaction propulsion units in aircraft
Inventor: EGGERS GERHARD
IPC: B64D27/26
Filed: 1957-06-28
Abstract: 827,027. Gas turbine jet propulsion plant. SOC. NATIONALE D' ETUDE ET DE CONSTRUCTION DE MOTEURS D' AVIATION. June 28, 1957 [July 30, 1956], No. 20542/57. Class 110 (3). [Also in Group XXXIII] The mounting of an aircraft jet propulsion unit within a nacelle comprises a substantially circular rigid frame supported by the nacelle at an intermediate section thereof and spaced from and surrounding the unit in a transverse plane near the centre of gravity of the unit, and a sheet-metal annular flange of generally frustoconical shape secured along its outer periphery to the frame and along its inner periphery to the unit. In Fig. 1, a gas turbine engine 1 is formed with a flange 4 to which is attached the frusto-conical sheet metal member 3, itself attached to the frame 5. The nacelle 2 is in two portions each attached to the frame 5 by rivets and mounting lugs 7 are also attached to the frame. The frame may be of rectangular cross-section, being formed by inner and outer cylindrical pieces riveted or welded to two annular side faces, and the inner cylindrical piece may be integral with member 3. The frame may alternatively be of circular cross-section, or may be in two portions which grip the member 3 between them. Fig. 6 shows an embodiment in which the housing 2 is disposed inside a ram jet casing 13, rods 14 extending between the lugs 7 and lugs 8 on the casing. The member 3 may be impermeable or apertured, and may be fireproof.
Patent GB-202821-A (GB)
Title: An improved potato or like slicer
IPC: B26B3/03
Filed: 1922-07-27
Abstract: 202,821. Withington, H. July 27, 1922. Cutting slices in succession.-In a device for slicing potatoes or the like, the potato is pressed by an abutment 7, on a sliding pusher-plate 5, against a stationary, oblique knife 10 perforated at 11 to prevent the adherence of the slices to the knife. A base-plate 3, screwed to a table 1, is provided with overturned edges 4 which form guides for the pusher-plate 5. The abutment 7 is screwed to the pusher-plate 5 the forward edge of which is bevelled at 9 to receive the edge of the knife. A handle 6 is formed on the plate 5 or a pivotally mounted handle may be provided.
Patent GB-961120-A (GB)
Title: Improvements in or relating to traction arrangements on traction vehicles
Inventor: WEHSELY KARL
IPC: B60D1/42
Filed: 1963-05-23
Abstract: 961,120. Tractor/trailer hitches. INSTITUT FUR LANDMASCHINEN-UND TRAKTORENBAU. May 23, 1963, No. 20591/63. Heading B7T. A tractor comprises power lift links 7 and 8 connected by a ball joint, a U -frame 11, 12 fixed to the tractor, a stud 4 pivotable in a bearing 3 about a vertical axis, a slider 13 on the rail 12, an extension 16 of the slider fixed to the stud 4, and a further extension 17 of the slider which co-operates with a trailer coupling pin 19 mounted on a bar 6 pivoted at 5 to the stud. In the Fig. 1 position a pin 15 prevents the slider from moving over the rail 12, and the bar 6 is held against rotation in both the vertical and horizontal planes. If the pin 15 is removed however, then the slider 13 may slide over the rail 12 and the bar 6 may move with it by turning the stud 4.