baber/WOPTO huggingface dataset:
Patent GB-786896-A (GB)
Title: Process for the continuous chromatographic separation of mixtures
IPC: G01N30/58
Filed: 1955-02-03
Abstract: <PICT:0786896/IV (b)/1> A galactose-xylose-rhamnose mixture dissolved in a butanol-ethanol-water solution is chromatographically separated by applying it by means of micro-injector F to a rotating cylinder A of filter paper through which percolates a quantity of the same solvent drawn by capillarity from vessel B into which tongues of the filter paper dip.  The sugars separate on the filter paper after the manner indicated by the shading a-d and separate solutions thereof are collected in the ring of vessels E.  The atmosphere is saturated with the solvent.  In a generally similar apparatus in which the filter paper is replaced by a ring of ion exchange columns or an annular bed of ion exchanger, a solution, e.g. of sodium acetate and calcium acetate in 0.05 N-acetic acid may be separated into its components, the eluting liquid being the same as the solvent.ALSO:<PICT:0786896/III/1> <PICT:0786896/III/2> A mixture of two or more components is continuously separated chromatographically by applying it to a separating medium so that a uniform relative movement occurs between the point of application and the separating medium, the horizontal component of the velocity of the point of application or the separating medium being uniform, an eluting agent is passed continuously under gravity through said medium and the separated components are continuously collected.  The process is said to be applicable to chromatographic adsorption (on a solid phase such as aluminium oxide), chromatographic ion exchange (on e.g. a synthetic resin ion exchanger) and distribution chromatography (between two liquid phases or a liquid and a gas phase, or paper chromatography).  In the embodiment shown in Fig. 1, a solution of mixed sugars (see Group IV (b)) is passed through a stationary micro-injector F on to a rotating cylinder of the separating medium, in this case a filter paper A.  Eluting medium is drawn by capillarity from vessel B into which tongues formed in the upper edge of the filter paper dip, and percolates through said filter paper causing separation of the components of the mixture due to their selective adsorption on the filter paper.  The lower edge of the filter paper is serrated and the percolating liquid drips into a ring of vessels E.  The shading a, b, c, d indicates the positions of the various components.  Fig. 2 indicates a generally similar arrangement in which the separating medium is an ion exchange resin contained in columns arranged in a ring, and an eluting medium is supplied to each.  The separate columns could be replaced by a continuous bed of annular form.  In a modification of the above types of apparatus, the separating medium may remain stationary whilst the means for applying the mixture and the collecting vessels rotate.  Ancillary apparatus for measuring or registering the refractive index, conductivity, dielectric constant or pH of the liquid draining from the apparatus may be provided.
Patent GB-431120-A (GB)
Title: Centering device for workpieces in milling and the like machine tools
IPC: B23Q17/24
Filed: 1935-02-01
Abstract: 431,120. Centring work for milling &c. DECKEL, F., (trading as DECKEL PRAZISIONSMECHANIK UND MASCHINENBAU, F.), 13, Waakirchnerstrasse, Munich, Germany. Feb. 1, 1935, No. 3312. Convention date, Feb. 6, 1934. [Class 83 (iii)] A centring device for workpieces in milling and like machines has a transparent substantially non-magnifying setting plate 1 with cross-lines and circles engraved on its underface, which is disposed at right angles to the axis 8 about which the workpiece 9 is rotatable or adjustable and is movable in a direction parallel to said axis by means of a slide 4 and screw-adjusting device 17. The circular plate is mounted in the slide 4 by means of three set screws 10 arranged at 120 degrees.
Patent GB-384836-A (GB)
Title: Improvements in or relating to friction clutches
IPC: F16D43/284
Filed: 1932-02-04
Abstract: 384,836. Friction clutches. SOC. RATEAU, 40, Rue du ColisÚe, Paris. Feb. 4, 1932, No. 3383. Convention date, Feb. 4, 1931. [Class 80 (ii).] In centrifugally-operated clutches, fluid is suppli d from a pipe g to a chamber f in a drum c secured to the driving shaft a or the driven shaft b and bears upon a wall d to cause engagement of a plate clutch d, e, c by centrifugal force. A valve is fitted on the pipe g so that the rate of clutching engagement is controllable. Orifices, h discharge excess fluid to the casing p. A small orifice may allow slow leakage from the chamber f, so that when the fluid supply is cut off the clutch gradually disengages. In a modification, Fig. 5, of this form, a larger orifice m is manually controlled by a lever valve o, balanced against the effect of centrifugal force. In this form, as the drum c turns with the driven shaft b, a spring j to initiate clutch engagement is fitted. The clutch may be arranged in the multiplying gear used in driving a centrifugal compressor. Fig. 7 shows a variablespeed gear in which clutches arranged in alternative routes between the driving and driven shafts a, b are alternatively put into operation by fluid controlled by a three-way valve x, fluid escaping through the orifices m in the clutch drums when the fluid supply is cut off.
Patent GB-171331-A (GB)
Title: Improvements in locks for railway and like carriage doors
IPC: E05B65/38
Filed: 1921-01-28
Abstract: 171,331. Winsor, W. D. Jan. 28,1921. Latches, sliding; pneumatically operated or controlled fastenings.-A sliding latch 11 for railway-carriage and like doors is operated through gearing 23, 24, 26, 28 by a square key fitted to the spindle 31 of a pinion 29 or by a pneumatic piston 33 provided with a rack 32. A ratchet is inter. posed between the gear wheels 26, 28 whereby the return stroke of the pneumatic piston has no effect on the latch, and each forward stroke of the piston - or each forward action of the square key successively shoots and retracts the latch. The last wheel 23 of the gear train is attached to a crank 20 provided with a pin 22 which passes through the latch 11 and lies between the tail end 12 of the latch and a block 13 slidably mounted within the latch against a spring 15; this allows the latch to yield when the door is slammed after the latch has been shot. Toggle links 16 pivoted on the block 13 and controlled by springs 19 ensure that the block shall move to its extreme positions. The mechanism is mounted within a casing comprising an outer frame 1, X-shaped side frames 3, 4, face-plate 2, and side plates secured by screws 7.
Patent GB-1210795-A (GB)
Title: High-strength low-alloy steel
IPC: C22C38/54
Filed: 1969-01-22
Abstract: 1,210,795. Steel. NIPPON KOKAN K. K. Jan.22, 1969 [Jan.22, 1968], No. 3547/69. Heading C7A. A low alloy steel consists, by weight, of: - Mo 0À15-0À7% Cu 0À05-0À8% Cr 0À03-1% Al (sol.) 0À01-0À1% N 0À002-0.007% Nb 0À005-0À05% B 0À0005-0À005% Ti 0À005-0À05% Fe and impurities - balance. Ni is an essential component of the alloy when Cu > 0À5%. The steel may be heat-treated at a temperature from the Ac3 point to 1050C, quenched and tempered at below the Ac1 point.
Patent GB-197380-A (GB)
Title: Improvements relating to metallic sheet piling
IPC: E02D5/04
Filed: 1922-02-07
Abstract: 197,380. Ver Mehr, J., and Owens, J. S. Feb. 7, 1922. Piling.-Sheet piling members are constructed with inter- Jocking edges so as to be capable of forming a continuous wall symmetrical about the centre line or neutral axis with the successive jointed edges of the piles alternating on opposite sides of the axis. Each member comprises two limbs 1, 2, set at an angle of 90‹ or 135‹, and provided with interlocking edges 3, 4, preferably of the ball-andsocket type.
Patent GB-711849-A (GB)
Title: Improvements in or relating to a printing machine
Inventor: GRUVER JOHN HENRY
IPC: B41L38/00
Filed: 1951-02-14
Abstract: 711,849. Printing-machines. ADDRESSOGRAPH-MULTIGRAPH CORPORATION. Feb. 14, 1951, No. 3569/51. Class 100 (2) Blankets. - In a planographic offset printing machine, there is provided a layer of resilient material around the offset printing cylinder for normal offset printing, and a covering of sheet material on said layer adapted to receive and transfer ink for limited runs. Preferably, the material is translucent or transparent, and may be of smooth vellum paper, enamelled paper, glassine or cellulose derivative foils. In a machine such as that described in Specification 499,800, the covering B, which constitutes an additional blanket, is guided by plates 81, 83, 85 between the printing cylinder and the offset cylinder 52 having a layer of resilient material 51, which constitutes a normal blanket, and thence between the latter cylinder and the impression cylinder 61 over which sheets S to be printed on are fed The blanket 3 is used for short runs, in order to avoid repeated washing of the blanket 51. The length of the blanket B may be the product of the circumference of the cylinder 53 and the number of prints to be made from the plate 17. If only one print is to be made, the blanket B may be secured to the cylinder 53 in the same way as the blanket 51, by the tensioning means 57, 59. After use, the blanket B can be discarded, or if it is translucent or transparent, so that the image can be viewed through it positively, can be kept as a record sheet.
Patent GB-1275533-A (GB)
Title: Display device for a data processing system
Inventor: CHAMBERLAIN EDWARD
IPC: G06F11/32
Filed: 1971-02-01
Abstract: 1275533 Selective signalling; display devices INTERNATIONAL BUSINESS MACHINES CORP 1 Feb 1971 3638/71 Headings G4H and G5C A display device for a data processing system comprises an indicator (e.g. lamps) responsive to information to be displayed, a roller blind having a plurality of legends thereon, means for winding and unwinding the blind so that a particular legend is adjacent to the indicator and means for connecting the indicator to the processor so that it displays information corresponding to the particular legend. The means for connecting senses position-indicating coded marks on the blind and decodes them to select a register in the processor, the contents of the register being gated to the lamps. The sensing is done photoelectrically when the marks are clear/opaque areas, or using spring-loaded plungers making electrical contact in the presence of holes when the marks are presence/absence of punched holes. The blind is attached at its two ends by adhesive tape to respective rollers one of which is spring-biased by a clock spring. A manual knob or motor is used for positioning the blind.
Patent GB-311209-A (GB)
Title: Improvements in or relating to variable condensers
IPC: H01G5/06
Filed: 1928-02-07
Abstract: 311,209. Rogers, W., and Wingrove & Rogers, Ltd. Feb. 7, 1928. Wireless tuning-apparatus, adjustment devices for. -Slow-motion adjustment devices for variable condensers comprise a central operating spindle 11 with a grooved sun friction gear 13 having inclined faces 15, 15a, a cup 16 enclosing the gearing and having an inclined face 16a, and a floating ring 17 with an inclined face 17a, the faces 15, 15a, 16a, 17a forming a race for balls 18 pressed into frictional contact with the faces by springs 19. The springs 19 surround the spindle 11 and are in frictional contact with, and interposed between, the ring 17 and an extension 8b of the tubular shaft 6 carrying the moving vanes. The cup 16 is secured to the frame 2 of the fixed vanes. The faces 15, 15a. are of different slopes so that the points of contact of the balls 18 with them describe paths of unequal diameter when the shaft 11 is rotated, so producing, in addition to the rolling movement of the balls around the gear 13, slow rotation of each ball about an axis perpendicular to the axis of the shaft 11, the ring 17 and shaft 6 being slowly rotated. Knobs 10, 12 are provided on the shafts 6, 11 respectively for coarse and fine adjustments. The Provisional Specification describes variation of the gear ratio by variation of the angles of the faces of the two outer parts of the ball-race.
Patent GB-810566-A (GB)
Title: Purification of bacillus subtilis protease
Inventor: OKUNUKI KAZUO
IPC: C12N9/56
Filed: 1956-02-07
Abstract: A process for purifying Bacillus subtilis protease comprises passing a solution of the impure protease buffered at pH 6 to 8 through a coarse, porous cation exchange resin, i.e. one that has pores of such dimensions that proteins of molecular weight from 30,000 to 50,000 may pass through them, which resin is also buffered at pH 6 to 8, eluting the absorbed protease with a solution buffered at a higher pH than that stated above, and collecting separately the colourless and any coloured fractions containing the protease.  The cation exchange resins exemplified are phenolic polymers having phenoxyacetic acid exchange groups, e.g. Kaken Resin I, those having methylen sulphonic acid exchange groups, e.g. Dualite C-10, those having hydroxy exchange groups, e.g. Dualite S-30, acrylic polymers having carboxylic acid exchange groups, e.g. Dualite CS-101 and "Amberlite" 1RC-50 ("Amberlite" is a Registered Trade Mark) or styrol polymers having sulphonic acid exchange groups, e.g. Low Crosslinking Dowex -50.  In an example a phosphate buffer is used to equilibrate the resin and as carrier for the impure protease, whilst an alkaline buffer comprising sodium chloride, disodium phosphate and ammonia is used as the eluting solution.
Patent GB-328346-A (GB)
Title: An attachment for holding and protecting the cleaning needles or prickers used in connection with blow lamps or wickless stoves
IPC: F23D11/44
Filed: 1929-02-05
Abstract: 328,346. Wilkie, A. H. Feb. 5, 1929. Cleaning-pins.-A metal sheath for holding and protecting cleaning needles or prickers is permanently attached to a blowlamp or wickless vapour stove, preferably at the side of the handle of the blowlamp and underneath the oil container of the stove. The sheath is made of flattened tubing, one end being closed and may be straight or curved. A tongue may be cut in the wall of the sheath and bent inwardly, or a spring catch or clip may be provided, to retain the prickers in the sheath.
Patent GB-598692-A (GB)
Title: Improvements in machines for spreading artificial fertilisers and the like
IPC: A01C15/00
Filed: 1946-02-06
Abstract: 598,692. Fertilizer distributers. MASSEY-HARRIS, Ltd., RESEARCH ENGINEERS, Ltd., and DAIN, G. R. Feb. 6, 1946, No. 3789. [Class 6 (i)] In a machine for distributing artificial fertilizer and the like comprising a hopper containing material which is delivered through shutter controlled openings to a series of dishlike discharge pans rotatably mounted about vertical axes, the material being evenly spread by means of a series of spreaders or flickers which rotate about a common horizontal axis and are driven from the land wheels by gearing, the hopper is mounted so as to be capable of removal or of being lifted clear of the discharge pans to permit of access thereto. As shown, the hopper 1 is secured to the machine frame 2 by levers 3 each pivoted on a bolt 4 and provided with a spring 5 to maintain the lever in position. One side of the lever may be chamfered to provide a cam effect to facilitate operation. The Provisional Specification refers to the use of wedges for securing the hopper in place. Specification 598,695 is referred to.
Patent GB-817898-A (GB)
Title: An electric circuit breaker
IPC: B23B29/034
Filed: 1956-02-07
Abstract: 817,898. Automatic circuit-breakers. LICENTIA PATENT VERWALTUNGS - G.m.b.H. Feb. 7, 1956 [Feb. 7, 1955; April 22, 1955], No. 3814/56. Class 38 (5). A miniature circuit-breaker comprises a pushbutton 5 operating a lever 6 pivoted at 71, a pin 7<SP>11</SP> on the lever moving to the left-hand end of a slot 10 in a cocking lever 9 when the button is pressed, whereby the lever 6 is overset to hold the breaker closed. The right-hand end of lever 9 rests on a latch 29 pivoted at 31 and rigid with a tripping armature 30, the lefthand end of the lever 9 being pivotally connected at 14 to a contact-carrier 12 and biassed upwardly by a restoring spring 18. The pin 14 is guided in slots 16 and the carrier 12, guided between projections 25... 25<SP>111</SP>, carries a spring-biased main contact 24 which bridges fixed contacts 27, 27<SP>1</SP>. Owing to the movement of the pin 7<SP>11</SP> away from the latch 29 during the closing movement the increased tension of spring 18 does not result in the lever 9 exerting a correspondingly-increased force on the latch 29. The controlled circuit between terminals 40, 401 is completed through the contact 24, coil 32 of a tripping magnet 33 and heater coil 35 of a bimetal strip 34, the free end of the strip 34 being connected by a pin 36 to the free end of an ambient-temperature compensating bimetal strip 341 fixed to the upper end of the armature 30. Thus thermal or magnetic action causes movement of the latch 29 to release lever 9. The armature is restored by a spring 39 and the lever 6 by a spring 28. The carrier 12 also operates an auxiliary spring blade contact 21 moving it from engagement with a contact 20 into engagement with a contact 22. The contacts 24, 27, 27<SP>1</SP> lie within the field of the coil 32. A recess 11 in the slot 10 permits the button to place the breaker in an intermediate position in which all the contacts are open. In a modification, not shown, the push-button is replaced by a lever.
Patent GB-323395-A (GB)
Title: Improvements in cotton cleaning machines
IPC: D01G9/04
Filed: 1929-02-05
Abstract: 323,395. Reedy, J. A, Feb. 5, 1929. Cleaners.-A cotton cleaning machine comprises a pair of shafts, rotating in the same direction and carrying spaced sets of beating blades, each set consisting of a boss with propeller arms on each shaft. The blades of each set are arranged closely adjacent to cooperate with one another and intersect on the centre line between the shafts. The shafts are mounted in a chamber, which comprises grid bars 15 mounted in grooved frames 17 at each end, and enclosed in a casing 10, 12. The bottom of the chamber is provided with a series of sharp edged bars 21 and the top section 20 is formed of corrugated iron. The beating blades 28 in addition to opening the material, cause it to advance through the chamber and to be discharged through the outlet 30.
Patent GB-557545-A (GB)
Title: Improvements in and relating to non-inflammable fire-resisting varnishes
IPC: C09D5/18
Filed: 1942-03-24
Abstract: 557,545. Resinous materials; varnishes. FIELDER, H. March 24, 1942, No. 3863 [Class 95] A non-imflammable fire-resisting resinous material, suitable for use in the preparation of non-inflammable fire-resisting varnishes, is prepared by dissolving shellac, as well as an alkali metal carborate and/or borax, in water, and then passing gaseous ammonia and chlorine through the solution until the resinous material is precipitated. To prepare a non-inflammable, fire resisting varnish, this resinous material is dissolved in naphtha, and the solution is mixed with a gum and ferrous sulphate dissolved in a solution containing an alkali metal carbonate neutralized by vinegar. An oil, such as castor oil or linseed oil. and an alkali metal silicate may be added. Examples are given.
Patent GB-1140314-A (GB)
Title: Cold hardening polyurethanes
Inventor: ELLEGAST KONRAD
IPC: C08G18/08
Filed: 1967-01-26
Abstract: 1,140,314. Polyurethanes. FARBENFABRIKEN BAYER A.G. 26 Jan., 1967 [19 Feb., 1966], No. 3922/67. Heading C3R. Cold hardening casting polyurethanes are prepared by reacting a polyether containing hydroxyl groups, a polyisocyanate and, if desired, a chain lengthening agent in the presence of a catalyst mixture comprising an organic alkali metal compound and an activated alkali metal aluminosilicate which possesses a zeolite structure. Conventional polyethers, aliphatic and aromatic polyisocyanates, diol and diamine chain lengthening agents may be used. The alkali metal compound may be sodium acetate, sodium propionate, sodium oleate, sodium phenolate, sodium nitrophenol, sodium dinitrophenol, sodium chlorophenol, sodium trichlorophenol and sodium pentaglycol. Sodium aluminosilicate of the general formula is the preferred activated alkali metal aluminosilicate. Fillers such as ground shale, quartz sand, powdered brick, kaolin, carbon black and tar may be added to the reaction mixture.
Patent GB-762595-A (GB)
Title: Conveyors
Inventor: DUNCAN ANGUS WELLESLEY
IPC: B65G39/20
Filed: 1954-02-10
Abstract: 762,595. Endless belt conveyers. MINING ENGINEERING CO., Ltd. Feb. 4, 1955 [Feb. 10, 1954], No. 3953/54. Class 78 (1). A tension element 1 for a belt conveyer whose belt is supported on cross-members 2 carried between a pair of such tension elements, is provided at intervals along its length with pairs of rollers 4, the rollers of each pair being arranged on opposite sides of the element and adapted to engage separate guide tracks. As shown, the rollers 4 are mounted on spindles 7 either integral with the sides of a link 8 of the chain 1, or detachably secured between lengths of chain 1 by yoke members 10 engaging opposite sides of the webs of I-section extensions 9 of the spindles 7 and being bolted to these webs. Alternatively the roller on one side may be mounted on an integral spindle of a link the other side of which is split to form two lugs bolted to an I-section extension of the spindle of the other roller. The cross-members 2 may either be .connected to the chains between adjacent pairs of rollers by split links whose lugs are bolted to an I-section end portion of the member, or as shown may be secured between opposite pairs of rollers by a split collar 21 on each end of the member engaging an extension 20 of the inner spindle 7 and clamped in place by a set-screw 23.
Patent GB-456516-A (GB)
Title: Improvements relating to means for tensioning driving belts, chains and the like
IPC: F16H9/04
Filed: 1935-02-07
Abstract: 456,516. Variable - speed gearing. HATCHER, E. C., Instow, Woodside Road, Northwood, Middlesex. Feb. 7, 1935, No. 4002. [Class 80 (ii)] Relates to variable-speed gearing of the type in which pairs 1, 1<a>; 2, 2<a> of conical pulleys or toothed bevel wheels are movable axially to vary the speed by rocking-levers 5 pivoted on fulcrum blocks 6. According to the invention, the blocks 6 are movable by springs 12 acting continuously thereon so as to tension the belt 3, means being provided for preventing return movement of the blocks 6 against the spring- pressure. In the arrangement shown, the blocks 6 are mounted on a right-and-left-handed screw 11 which is urged to rotate by the coil spring 12, reverse movement being prevented by the internal friction of the screw. The spring may act through a fusee to compensate for its loss of tension as it returns towards its unstretched condition. In a further modification, the fulcrum-blocks are urged axially by compression springs, reverse movement being prevented by pawls engaging a toothed sleeve through which the spring acts.
Patent GB-360294-A (GB)
Title: Improvements in and relating to electric switch contacts
IPC: H01H1/14
Filed: 1931-02-09
Abstract: 360,294. Making electric conductors. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Poniatoff, A. M. ; 6584, Beaumont Avenue, Philadelphia, U.S.A.) Feb. 9, 1931, No. 4046. Convention date, Feb. 7, 1930. [Class 83 (ii) and 83 (iv).] Brazing. - Electric contacts are formed of a bundle of laminµ 8 the ends 9, 10 and middle 17 of the bundle being brazed together or otherwise formed into a solid mass. The individual laminµ are first tinplated or otherwise coated with brazing material over the requisite length and then assembled and compressed in the presence of heat. The heat may be derived by passing an electric current through the laminae or by treatment in a vacuum furnace with the pressure suitably maintained.