baber/WOPTO huggingface dataset:
Patent GB-594389-A (GB)
Title: Improvements in or relating to vapour generating and heating units
IPC: F22B31/04
Filed: 1945-07-06
Abstract: 594,389. Water tube steam boilers etc.; steam superheaters. BABCOCK & WILCOX, Ltd., and ZOLLER, R. E. July 6, 1945, No. 17272. [Classes 123 (ii) and 123 (iii)] A steam &c. boiler comprises separate adjustably-fired furnaces 1, 7, Fig. 1, associated respectively with an inclined bank 2 of water tubes, extending between upper and lower drums 3, 4, and a superheater 15, with the outlet from the furnace 7 being in communication with the furnace 1 through a passage 18 and also in direct communication with the boiler flue uptake 9 through a by-pass 8 controlled by a damper 10 which is operated to close the by-pass during ahead operation and open it during manoeuvring. The superheater 15 is screened by a group of water tubes 16, and economizers and/or air heaters 14, 22 are provided in the uptake 9 and in an adjacent part 8<1> of the bypass 8. In a modified construction, Fig. 2, a reheater 23 is disposed across the outlet from the furnace 7 and a superheater 24 in the passage 18<1> between the two furnaces, both 23, 24 being screened by water tubes 25. During ahead operation the steam pressure and degree of reheat are controlled by the rates of firing the furnaces 1. 7 respectively and the degree of superheat by adjustment of the damper 10; during manoeuvring the furnace is shut down.
Patent GB-496501-A (GB)
Title: Improvements in or relating to radial cylinder engines
IPC: F01B1/06
Filed: 1937-06-21
Abstract: 496,501. Fluid-pressure reciprocating engines ; connecting-rods. WHITEHEAD TORPEDO CO., Ltd., and JONES, L. June 21, 1937, No. 17296. [Classes 122 (i), 122 (ii), and 122 (iii)] In a radial-cylinder compressed - air, or other fluid - pressure engine for torpedoes &c., each connecting rod has a knuckle end 13 engaging an arcuate surface 15 inthepistor and is provided with staggered ports 2( adapted to co-operate with similar exhaust ports 19 in the pistor head. The knuckle end is mounted or two short gudgeon pins carried by the piston The axis of each cy. linder is offset from the radial plane in the direction of rotatior of the crank-shaft tc reduce heavy side thrusts on the piston during the working stroke. Arcuate feet 7 on the rods bear on the outer race ring 9 of a common big end bearing and are held in contact therewith by side plates 10 having lateral extensions engaging the under surface of the ring. Specifications 228,313, [Class 122 (ii)], and 284,024, [Class 122 (i)], are referred to.
Patent GB-1517995-A (GB)
Title: Method and apparatus for liquid chromatography under elevated pressure
IPC: B01D15/04
Filed: 1976-04-28
Abstract: 1517995 Ion-exchange chromatography HITACHI Ltd 28 April 1976 [19 May 1975] 17314/76 Heading B1H A method for liquid chromatography comprises feeding a sample to be separated into components to a separation column packed with ion exchange resins deformable under pressure, feeding an eluting solution containing counter ions to the column thereby separating the components, detecting a plurality of the components leaving the column, and feeding to the column a regenerating solution containing metal ions having the same electric charge as that of the counter ions and a larger hydration member than that of the counter ions. The counter ions may be sodium and the regenerant ions lithium; or the counter ions may be potassium and the regenerant ions sodium and/or lithium. The process is applicable to the separation of amino-acids.
Patent GB-1421103-A (GB)
Title: Benzothienofurans and their use as colour-formers for pressure- sensitive recording material
IPC: B41M5/136
Filed: 1974-04-19
Abstract: 1421103 Benzothienofurans FUJI PHOTO FILM CO Ltd 19 April 1974 [19 April 1973] 17374/74 Heading C2C [Also in Division D2] Novel benzothienofuran derivatives having one of the Formulµ IA and IB: or a mixture thereof, wherein A is a benzene or naphthalene ring; R 1  and R 2  are optionally substituted amino groups and X, Y and Z are hydrogen or halogen atoms, or alkyl, aralkyl, alkoxy, aralkoxy, acyloxy, nitro or optionally substituted amino groups, are prepared by condensing a benzothiophenedicarboxylic acid anhydride having the Formula II: with an aniline derivative of the Formula III: and condensing the resulting intermediates of the Formulµ IV and V: with an aniline or α-naphthylamine of the Formula VI: followed by neutralization with an aqueous solution of an alkali. The anhydride (II) and aniline (III) are preferably present in a molar ratio of from 1 : 1 to 1 : 3, as are the intermediates (IV) and (V) and the compound (VI). Each condensation reaction is preferably carried out at a temperature of from 70 to 160 C. The novel compounds may be used as colourformers in pressure-sensitive recording.
Patent GB-700573-A (GB)
Title: A device for verifying optically projected images
IPC: G03B21/00
Filed: 1951-07-23
Abstract: 700,573. Kinematograph &c projection apparatus. ANGENIEUX, P. July 23, 1951 [Oct. 5, 1950], No. 17388/51. Class 97(1) A device for verifying optically projected images comprises a first reflector in front of the projection lens, inclined to its axis, to reflect a small part of the projection beam on to a second reflector, approximately normally, the latter reflector constituting or coacting with a centred optical system to form a sharp secondary image on an auxiliary screen in the projection booth. The first reflector may be partially reflecting or may cover only part of the cross-section of the projection beam. As shown, an unsilvered glass plate 17, with a low reflection coating on the face 18, reflects light from the projection lens 14 to a concave mirror 20 and thence to a plane mirror 21 to form an image on the translucent screen 22 which is correctly oriented when viewed through the screen. The mirror 20 may be replaced by a plane mirror and a positive lens. Further mirrors may be used to obtain a longer folded light path and a larger secondary image To maintain correct image orientation two such mirrors are required between the plate 17 and the screen, but only one between the plate and the mirror 20. A negative lens, or lens system, may be used between the plate and screen to increase the image size. A cone-shaped member 23 connects the housing 16 with the aperture in the wall 24 of the projection booth. The plate 17 and the screen 22 are sealed into the housing to isolate the booth for fire protection purposes.
Patent GB-729535-A (GB)
Title: Improvements in or relating to bobbins and reels
Inventor: BERRY JOSEPH WALLACE
IPC: B65H75/14
Filed: 1953-06-24
Abstract: 729,535. Bobbins. BIRMINGHAM ALUMINIUM CASTING (1903) CO., Ltd. June 23, 1954 [June 24, 1953], No. 17471/53. Class 120(3). A metal bobbin or reel comprises a tubular barrel Z each end of which is received within a lip 3 of, and abuts against the inner face of, a flange 1, and a hub tube 7, the ends of which extend through hubs 4 in the flanges and have portions 9 pressed into spaced recesses 5 to secure the assembly and key the flanges to the tube 7.
Patent GB-151403-A (GB)
Title: An improved safety attachment for brooches
IPC: A44B9/18
Filed: 1919-07-14
Abstract: 151,403. Lay, A. E., and Green, E. H. July 14, 1919. Catches and sheaths for hinged and like pins; safety-pin fastenings.-A safety attachment for brooch-pins &c. consists of a supplementary arm e, Figs. 3 and 4, swivelling on a pivot e<1> in a plane at right-angles to the plane in which the pin b is hinged. The free end of the arm is up-turned at e<2>, and the pin b engages when closed in a slot h, Fig. 5, in the up-turned portion. A further extension e<3> of the arm e forms a sheath for the pin point. The plate f to which the arm e is pivoted is hinged by lugs f<1> to the hinge-pin g, so that the device may be fitted to any brooch, and the arm e may be made of variable length by forming it of two sliding parts m, n, Fig. 7, provided with engaging notches m<1> and tongues n<1>.
Patent GB-980054-A (GB)
Title: Method of manufacturing double-loop stitched slide fastener chains
IPC: D05B29/06
Filed: 1961-05-15
Abstract: 980,054. Sliding clasp fasteners. T. YOSHIDA. May 15, 1961 [March 16, 1961], No. 17659/61. Drawings to Specification. Heading E2S. [Also in Divisions B5 and D1] A sliding clasp fastener stringer of interconnected elements is first produced from synthetic resin wire, and the elements while still hot are attached to a tape by double-loop stitching. The stringer may have U-shaped elements produced by laying the wire in zig zag formation upon staggered projections provided on each side of a groove formed in the periphery of a rotary disc, by forcing the zig zag formation within the groove, and by flattening the elements at the base of the groove by means of a reciprocating swaging block. A tape is laid upon the completed stringer, a core yarn is laid within the stringer, and the tape, yarn and stringer and then sewn together. The stringer may alternatively be of special formation produced by winding the wire on a fixed mandrel and feeding the wire therealong by a pair of rotary screws, the stringer being flattened by means of a reciprocating swaging block. Specification 881,289 is referred to.
Patent GB-928488-A (GB)
Title: Improvements in feed screws for refuse collecting containers
Inventor: LINDE HILDING
IPC: B65F3/22
Filed: 1961-05-15
Abstract: 928,488. Screw conveyers for loading refuse into vehicles. MASKINFABRIKS A.B. NORRBACKEN. May 15, 1961, No. 17677/61. Classes 78 (1) and 78 (4). Conveyer screw 2 for loading refuse into vehicle 6, is formed with and carried by a hollow shaft 8 which is detachably secured by bolt 19 to the end of driving shaft 1 driven via gear-wheel 5. Screw 2 is provided at its end with a wearresistant manganese cover 25.
Patent GB-380507-A (GB)
Title: Improvements in or relating to statistical record cards and mechanism for printing such cards
IPC: G06K1/12
Filed: 1931-06-18
Abstract: 380,507. Statistical cards and means for printing them. WATERS, H. and BRITISH TABULATING MACHINE CO., Ltd., Victoria House, Vernon Place, Southampton Row, London. June 18, 1931, No. 17726. [Class 106 (i).] A statistical record card is coloured along one of its margins except at the parts, P or T, which will be engaged, when the card is in a statistical machine, by a feeding picker or a card throat. The card edge as well as the marginal face is coloured. A single colour or combinations of colour may be used. In Fig. 1, 10, 12 are the same colour and 11, 13 are another colour. In modifications (1) the edge and marginal face are coloured at the centre of the card, which latter is engaged by two pickers, or two throats, one on either side of the coloured part ; (2) the card is coloured down the right-hand edge and marginal face except at the centre where it is engaged by a picker for feeding laterally in a punching or verifying machine. The card material is fed in strip form between platen 18, Fig. 4, and rollers 22, 21, 20, and a type roller 19 for printing the usual matter, and is then cut into cards. As the card blank passes roller 22, its upper marginal face is colour-printed on by a segment 24 fed from a dye reservoir 33. The printing commences at 34, Fig. 1, on one card' blank and finishes at 35 on the next blank. Segment 24 also has an upstanding flange 26, Fig. 5, so that the edge of the card is coloured at the same time.
Patent GB-497753-A (GB)
Title: A process of copying colour-record lenticular films
IPC: G03C7/14
Filed: 1937-06-25
Abstract: 497,753. Colour photography. I. G. FARBENINDUSTRIE AKT.-GES. June 25 1937, No. 17737. Convention date. June 25, 1936. [Class 98 (ii)] In copying an original lenticular film L bearing colour - record images, the film is illuminated from the lenticular side, and vignetting of the picture field by the original exposure objective is corrected in the copy by placing a uniform lightabsorbing filter disc M surrounded by a clear field K between the light source S and the original, the diameter of the disc and its distance from the film being equal to the diameter and distance from the film of the aperture of the rear lens of the objective used for making the original. With suitable choice a copying objective, the original may be illuminated from the smooth side. Between the light source S and the disc is placed a diaphragm F corresponding as regards apertures and position to the original taking filter; and copying may be effected by uncovering the apertures in turn to make single colour-record copies, or by allowing them all to remain open without introduction of filters, when copying as described in Specification 356,701, or by covering the apertures with filters and copying on to multilayer colour-sensitive material. The original may be the lenticular film of the bipack described in Specification 395,124, comprising a front lenticular film and a rear plain film. The requisite density of the filter disc M is discussed in the Specification. Specification 447,917 also is referred to.
Patent GB-575998-A (GB)
Title: Improvements relating to precious metals and alloys thereof
IPC: H01T13/39
Filed: 1943-10-28
Abstract: 575,998. Obtaining coherent masses from powdered metals; alloys. MIDDLETON, A. B. Oct. 28, 1943, 'No. 17824. Drawings to Specification. [Class 82 (i)] [Also in Group XXII] Metal for use at high temperatures, e.g. for resistance heating furnaces, spark-plug electrodes, thermo-couples, or fuses, is made by sintering a powder consisting of one or more precious metals with or without a smaller proportion of one or more base metals having a high melting point, e.g. over 900‹ C., compressing the product, and finally producing a fibrous structure by cold working, both sintering and compressing being at a 'temperature much below the melting point. Examples of suitable precious metals are platinum, palladium, ruthenium, gold and silver and of base metals are titanium; zirconium, tantalum, columbitun, vanadium, chromium, nickel, copper, molybdenum and tungsten. Platinum containing 4 per cent of tungsten, in powder form, may be sintered at 1200‹ C. and then reduced 98 per cent in cross-section by drawing. The time required for sintering depends on the particle size and the rate of mutual diffusion of the metals concerned. Platinum ammonium chloride may be heated to 400‹ C. to produce platinum sponge which is passed through a sieve having 90 meshes per inch. Tungsten having a particle size of about 1 micron is added and the mixture consolidated under a pressure of 15 tons per square inch, sintered for 3 hours at 1200-1300‹ C., forged in stages of about 10 per cent reduction,. reheating to 1100-1200‹ C. in hydrogen between the stages, until about 75 per cent reduction has been produced, and then rolling in stages of about 10 per cent reduction until a total reduction of 92 per cent has been produced. The final cold working stages may be by drawing. A mixture of platinum 84, palladium 10 and ruthenium 6 per cent may be pressed at 15 tons per square inch in a steel mould to form a bar 2" Î ¢" Î ¢" which is sintered at 1200‹ C. for 3 hours in hydrogen, consolidated :by forging at 1200‹ C., cold rolled and drawn to give a wire of 0.047" diameter. Platinumpalladium alloys are sintered at 1000-1200‹ C. and forged at 700-900‹ C. Specification 556,253 is referred to.
Patent GB-1368083-A (GB)
Title: Pile-bearing materials
IPC: D06N7/00
Filed: 1972-05-03
Abstract: 1368083 Flocked pile fabrics MONSANTO Ltd 3 May 1972 [28 May 1971] 17903/71 Heading D1K [Also in -Divisions B2 and B5] A pile fabric comprises a fabric sheet bearing a flocked pile on one face and bonded on the other to a sheet of foamed polyolefin resin. The fabric sheet may be made from vegetable fibre such as cotton or jute; keratinous fibre such as wool; cellulosic fibre such as viscose or cellulose ester; or a synthetic polymer or copolymer made from monomers such as a nitrile, ester or an olefin. The fabric may be woven or, preferably non-woven such as airblown webs, consolidated batts, needle felts or stretched foamed thermoplastic polymer such as a polyolefin. The fabric may be made by depositing fibres on a release sheet and consolidating them to a self-supporting layer in which case polymers of acrylonitrile, olefins or amides such as nylon 6, 6 are preferred. The flock fibres may be made from the materials listed above for fabric fibres, and are preferably sprayed electrostatically onto an adhesive coated onto the fabric with the help of beater bars either before or after bonding of the foamed polyolefin to the fabric. The foamed polyolefin is preferably resilient and closed celled and may comprise polyethylene or plasticised polypropylene which as adhered to the fabric with adhesive or preferably by a film of an olefin polymer interposed between the fabric and foamed polyolefin and fused to both. The film is preferably made of ethylene vinyl acetate copolymer. A list of foaming and nucleating agents, and comprehensive physical properties of the foam are given.
Patent GB-143829-A (GB)
Title: Improvements in stable surface alloy steel
IPC: C22C38/34
Filed: 1919-07-17
Abstract: 143,829. Armstrong, P. A. E. May 24, 1919, [Convention date]. Tempering.-Iron-chromium-silicon alloys may be heat-treated by heating to 1650-2200‹ F. and quenching.
Patent GB-380832-A (GB)
Title: Improvements in and relating to the waterproofing of sheets of regenerated cellulose
IPC: C08J7/04
Filed: 1931-06-20
Abstract: 380,832. Waterproofing cellulosic sheets. COURTAULDS, Ltd., 16, St. Martin's-le-Grand, London, and SHEDDEN, F., 3, Light Lane, Coventry. June 20, 1931, No. 17914. [Class 140.] Transparent waterproof coatings are produced on sheets of regenerated cellulose by coating the sheets with a solution containing nitro-cellulose, castor oil, and wax, such as paraffin wax or ceresine wax. Tricresyl phosphate, light petroleum oil, and petroleum ether may be added. The Provisional Specification refers also to the treatment of textile materials, paper, and films of cellulose derivatives such as esters or ethers, with the solutions above specified.
Patent GB-1040806-A (GB)
Title: Improvements in painting metal surfaces
Inventor: FREEMAN DENNIS BRIAN
IPC: C25D13/20
Filed: 1964-04-30
Abstract: A process for treating a metal surface comprises producing a zinc phosphate coating thereon by treating with a zinc phosphate solution containing at least 0.1 gr/1 of a simple fluoride calculated as F-, giving the resultant coating a chromate rinse and thereafter coating with paint by an electrophoretic method.  The zinc phosphate solution may also contain a complex fluoride such as a flurosilicate, fluoroborate or fluorotitanate; the ratio of complex fluoride, calculated as SiF6 to simple fluoride, calculated as F-, is preferably 5:1.  When the complex fluoride is not SiF6, the amount of complex fluoride is calculated on the basis of the fluorine present, i.e. 1 mole of SiF6 is equivalent to 1 1/2 mole of BF4.  The fluoride and complex fluoride are preferably present as the sodium salt thereof or corresponding acid.  The zinc phosphate solution may also contain more than 0.01% nickel. During electrolysis the surface to be painted may form the anode.
Patent GB-342639-A (GB)
Title: Improvements in and relating to multiple electric motor drives
IPC: H02P5/485
Filed: 1930-06-12
Abstract: 342,639. Maintaining denned speeds of A.C. motors. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.-(Assignees of Allgemeine Elektricitõts.Ges.; 2, Friedrich Karl Ufer, Berlin.) June 12, 1930, No. 18080. Convention date, June 12, 1929. [Class 38 (iii).] Induction motors M are started in synchronism with a common rotor resistance W. During normal running this resistance is short-circuited and the required speed ratio is maintained by individual rotor resistances R which may be controlled by differential mechanisms D, or by the loop of material between machines, which are treating the material and are driven by the motors. The stator supply to the motors may be derived from a frequency converter.
Patent GB-589656-A (GB)
Title: Improvements in or relating to electric terminals and cable connectors
IPC: H01R4/50
Filed: 1944-09-22
Abstract: 589,656. Cable terminals. KING, A. C., and BATTERSBY, D. J. Sept. 22, 1944, No. 18085. [Class 38 (i)] [Also in Group XXII] A device for connecting a cable to a terminal post or another cable comprises a contactmember having a part to make in-line engagement with the cableconductors and a part to make in-line contact with the terminal post or the other cable and provided with transverse means to engage the cable insulation, and an insulating cover wholly embracing the contactmember. A cruciform blank 62 of sheet metal has limbs 63, 64 formed into a groove and bent to provide pointed cable-embracing parts, Fig. 11, the limbs 66, 67 being formed into a groove and bent in the opposite direction and flared at 70 to facilitate engagement with a terminal post, and a struck-out tongue 68, or an integral tongue 78 makes contact with the cable conductors. Points 69 are provided on the limbs 63, 64 to engage the cable insulation 65. An insulating sleeve 71 covers the device completely. The connector may be made alternatively in two separate portions secured together, Figs. 14, 15 (not shown). A fuse, radio interference suppressor, or a spark-gap may be inserted between the two parts, Figs. 17, 18 (not shown). In a modification, Fig. 4, the arms 42, 43 are dished to embrace a cable and have a tongue 45 to pierce the cable insulation. The central portion 48 is apertured at 49 and the zones between the portion 48 and the limbs have a longitudinal groove at 50 and transverse grooves 51, 52, 53, 54. When the blank is bent about the lines c it forms an apertured nose to engage a terminal post in-line with the connector axis, a portion for a terminal post at right angles to it and a cable embracing portion. The insulating sleeve is also apertured. An alternative form is made from an H-shaped blank, Figs. 12, 13 (not shown). In another modification, the cable-embracing portion is replaced by an arrowhead, Figs. 19, 23, 25 (not shown). The integral tongue may be replaced by a separate pin welded between the two parts, Figs. 16, 21 (not shown). Specification 431,557 is referred to.
Patent GB-661335-A (GB)
Title: Improvements in and relating to trigger circuits employing grid controlled tubes
IPC: H03K3/04
Filed: 1949-07-08
Abstract: 661,335. Valve relay circuits. BRITISH TABULATING MACHINE CO., Ltd. July 8, 1949 [July 9, 1948], No. 18105/49. Class 40 (vi). A trigger-pair circuit comprises two valves cross-coupled with resistors between the anode and control grids and with a capacitor connected between the anode and control grid of each valve, so that when a triggering pulse is applied to either control grid the switching of the circuit from one of its two stable states to the other, occurs only after a time delay. The Figure shows a trigger-pair circuit comprising valves 10 and 11 cross connected by resistors 22, 19 and 24, 17 and with a common cathode resistor 15. Capacitors 26 and 28 are connected in feed-back circuits between the anode and control grid circuits of valves 10 and 11 respectively, so that when positive triggering pulses are applied to either input 29 or 34 the circuit only changes over after a predetermined delay dependent on the value of feed-back capacitors. The circuit will thus only change-over if the trigger pulses have at least a predetermined duration, e.g. if capacitors 26, 28 are each of 0.005 microfarad, the triggering pulses to effect a change-over must must be of at least 2,000 microseconds duration. The cathode resistor 15 tends to prevent the non-conducting tube becoming conductive when the current flow through the conductive tube is increased by a positive triggering pulse applied at the input. When positive going pulses are applied simultaneously or with a time interval at two inputs 29, 34 the current will not change over unless the interval between the two triggering pulses is greater than some predetermined value, e.g. 2,000 microseconds when capacitors 26, 28 have values of 0.005 microfarad. The circuit is thus protected against triggering by spurious noise pulses.