baber/WOPTO huggingface dataset:
Patent GB-1431062-A (GB)
Title: Method of providing security in respect of identity cards
IPC: G06K19/14
Filed: 1973-04-27
Abstract: 1431062 Credit cards and the like E W Mc CREATOR 26 April 1974 [27 April 1973] 20079/73 Heading B6A A credit card or the like is produced by obtaining a specimen, e.g. signature ABC, Fig. 1, of a desired characteristic of the intended card holder, distorting the specimen using an optical system comprising a plurality of mirrors and/or prisms, and applying the distorted specimen ABC, Fig. 4, to the card in a photographic step. The distorted specimen may be exposed directly on to a photosensitive portion of the card or a separately produced photosensitive plate may be used from which the distorted image is printed or embossed on to the card. Several types of suitable distortion are specified. The optical system may comprise two parallelipipedic prisms cemented together and provided with silvered faces. A corresponding system is used to rectify the distorted specimen shown on the card, for verification.
Patent GB-859375-A (GB)
Title: A process for the preparation of organosilicon esters
IPC: C08G77/00
Filed: 1959-06-11
Abstract: Organosilicon esters are made by reacting (1) an organosilicon compound which is (A) a cyclosilalkoxane of the formula [-SiR2,CH2,CHZ(CH2)nO-]x where x has an average value of at least 1, or (B) a linear polymeric silalkoxane consisting essentially of units of the above formula, or (C) a co-polymer of (i) from 5 to 99.9 mol per cent of units of the general formula:  <FORM:0859375/IV(a)/1> where y is 1 or 2, and (2) from 0.1 to 95 mol per cent of units of the general formula <FORM:0859375/IV(a)/2> , where m is 1, 2 or 3 and has an average value not greater than 2.5, in the above formula R being a monovalent hydrocarbon radical free from aliphatic unsaturation, R1 being a monovalent hydrocarbon radical, Z being H or CH3 and n being 1 or 2, with (II) a carboxylic acid, by contacting (I) and (II) in a liquid phase.  The above organosilicon reactants may be made by the methods described in Specification 817,237.  The copolymers (c) can also be made by cohydrolysing R1mSiCl4-m with RySi[CH2CHZ(CH2)nOAc] Cl3-y to give the corresponding acetoxyalkyl substituted siloxane copolymer, and subjecting this copolymer to the alcoholysis and dehydration steps discussed in Specification 817,237. The preferred acids (II) and mono- and di-carboxylic acids, many examples of which are given.  The reaction is effected in liquid phase, and any temperature suitable to provide such a phase, e.g. 50 DEG  to 150 DEG C. or a mutual solvent, e.g. dioxane or acetone, can be used.  Catalysts desirably used are acids having a dissociation constant of at least 0.01 at 25 DEG C., e.g. H2SO3, H2SO4, HCl, HBr, HI, HClO4, HIO3, HIO4, HNO3, H3PO4, benzene- and p-toleune-sulphonic, di- and tri-chloroacetic, trifluoroacetic, maleic and oxalic acids. The examples describe the preparation of (1) [Me2(AcO.CH2CH2CH2)Si]2O; (2) [CH2 = CH.COOCH2.CH2.CH2.Me2Si]2O; (3) [CH2 = C(CH3)COOCH2.CH2.CH2.Me2 Si]2O (4) Acetoxy substituted disiloxanes; (5) Acryloxy substituted disiloxanes; (6) Acetoxy and trifluoroacitoxy substituted disiloxanes; (7) Various disiloxane esters; (8) A copolymer of MeSiO15, MePhSiO PhSiO15 and <FORM:0859375/IV(a)/3>
Patent GB-501715-A (GB)
Title: Method for detaching small closure parts and device for carrying out said method
IPC: B21D53/52
Filed: 1938-07-07
Abstract: 501,715. Making sliding-clasp fasteners. STAUBLI, W. July 7, 1938, No. 20189. Convention date, July 13, 1937. [Classes 83 (ii) and 83 (iv)] In making sliding- clasp fasteners, headed portions 2 are stamped in a strip 1 with feed holes 3 and the strip is then fed between rollers which sever the portions 2 by tearing. The strip is fed by a pin roll 5 under a recessed bending roll 8 and then under a roll 13 which bends the portions 2 normal to the strip and eventually severs them by tearing at the sections I . . . I.
Patent GB-1342314-A (GB)
Title: Method and device for removing sulphur from crude iron
IPC: C21C1/02
Filed: 1971-04-19
Abstract: 1342314 Desulphurizing crude iron KLOCKNER-WERKE A G 19 April 1971 [6 March 1970] 20249/71 Heading C7D A method of desulphurising crude iron comprises injecting a desulphurising agent into a continuously flowing stream of iron which is moving in a generally U-shaped path, the agent being injected to rise with the direction of the stream in one limb of the U-shaped path and to rise against the direction of the stream in the other limb. The desulphurising agent is preferably calcium carbide having a grain size of 10 to 100 microns; the iron stream has an average residence time in contact with the agent of at least 45 seconds subsequent to the stream being tapped from a blast furnace or aurola. Apparatus Grade iron tapped from a blast furnace flows in direction of arrow 7, Fig. 1, to a reaction chamber 1 which is divided by a partition into a generally U-shaped passage. Lances 4 project at least 60 cms below the surface of the iron in each limb 2, 3, and are connected to compressed air lines 6 and hoppers 5 for the desulphurising agent. Each lance 4 may have more than one outlet.
Patent GB-1468926-A (GB)
Title: Flexible coupling
IPC: F16D3/58
Filed: 1974-05-08
Abstract: 1468926 Universal joints SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 8 May 1974 [14 May 1973] 20249/74 Heading F2U A flexible coupling comprises resilient elements 7 disposed in opposing spherical or ovoidal cavities 13, 14 in the coupling members 2, 3, one being formed of at least two annular parts 4, 5 for pre-compressing the elements upon assembly, one of which parts covering a larger surface area of the resilient elements than the other. As shown, the cavities are ovoidal and the distance D is smaller than the diameter of the resilient ball-elements 7. Pre-compression is effected by bolts 10. The larger of the two parts 4, 5 or both may be divided into three segments (4A, 4B and 4C) Fig. 2 (not shown) held together by tangential bolts (15). The resilient elements may be reinforced with a core (18) Fig. 3 (not shown).
Patent GB-1134497-A (GB)
Title: Acoustic transducers
Inventor: WHITE JOHN BERNARD
IPC: H04R17/02
Filed: 1965-05-13
Abstract: 1,134,497. Electro - acoustic transducers. ENGLISH ELECTRIC CO. Ltd. 13 May, 1966 [13 May, 1965], No. 20259/65. Heading H4J. An acoustic transducer includes a body, 17, Fig. 2, having a cylindrical cavity open at one end, the other end being closed by an integral wall in the form of a disc 32 encircled by an integral annular membrane 31 substantially thinner than the disc 32. The open end of the cavity is closed by a cover-plate 38 and a piezo-electric crystal 33 is trapped in contact with the disc 32 between the disc 32 and a rigid encapsulating medium 37, e.g. epoxy resin. Crystal 33 is located by an 0-ring. Electric signals from the crystal 33 are transmitted by a screened lead 35 to indicating apparatus. The transducer is for detecting acoustic vibration in a stream of fluid and is resiliently mounted so that the membrane 31 is isolated from all but acoustic vibration in the fluid. The body 17 is clamped to a rubber membrane 16, Fig. 1, having a central hole. The membrane 16 is secured between an annular clamping member 15 and a cylindrical base 13. The base 13 is mounted on the wall 10 of a fluid duct, the transducer being within the duct.
Patent GB-279197-A (GB)
Title: Method of and apparatus for generating a pressure fluid for motive power use
Filed: 1926-08-18
Abstract: 279,197. Tait, R., and Tait, D. M. Aug. 18, 1926. Generating combustion pro- --- ducts under pressure.- Liquid, gaseous, or powdered fuel is supplied to a mixing- chamber to which primary air (with or without steam) is supplied at a pressure of about 800 lbs. per square inch the mixture being admitted to an elongated combustion chamber where it meets secondary air at a pressure of about 500 lbs. per square inch and temperature of about 1000‹ F. the mixture being spontaneously ignited by compression ignition. The apparatus comprises a. mixing- chamber 2 to which fuel is supplied by an atomizer 1 and mixed with primary air supplied through orifices 3. The mixture enters the combustion chamber 4 lined with refractory material with secondary air supplied through a nozzle 5. The secondary air is supplied at 13 to a helical passage 14 surrounding the lining 15 and thence to the nozzle 5. Compressed air and atomized water are supplied to the upper part of the. helical passage 18 and part escapes at 9 to mix with the combustion products leaving the chamber 4 while the remainder travels back through the helical passage 19 to the mixing-chamber 2. The apparatus is started by fuel being supplied through a nozzle to the annular chamber 7 where it mixes with air supplied through passages 20, the mixture, being ignited by a sparking plug 8 while the flame passes through the pasasge 5. Staggered baffle plates 11 are arranged at the outlet of the combustion chamber and the pressure fluid is delivered through an outlet 12 to a prime mover of the kind described in Specification 277,790, [Class 7 (i), Combustion-product &c. engines], or other engine.
Patent GB-1170887-A (GB)
Title: Zip Fastener
Inventor: GUSTAVSSON PERTTI OLAVI
IPC: D05B35/06
Filed: 1968-04-30
Abstract: 1,170,887. Sewing machines. AERO ZIPP FASTERNERS Ltd. 30 April, 1968 [5 June, 1967; 6 Sept., 1967], No. 20389/68. Heading D1G. In a twin needle sewing machine wherein zip fasteners are attached to garments a fastener tape is severed in a part provisionally left extending from the garment and the excess tape is simultaneously provided with a connection to hold the two parts of the zip together. In Fig. 3 a zip 1 fed to a twin needle machine is stitched to the garment. The machine continues to stitch the zip stringer tapes alone until the garment is beyond the oscillating blade 24. As the blade descends to sever the zip a plunger 33 forces a clip 35 into the end of the zip, still connected to the continuous supply of preformed zip material to hold the two halves together. The clips are fed on a vibrating conveyor at right angles to the direction of fabric feed. Instead of the clips the zips may be held together by fusible material or the stringer tapes, if suitable, may be fused together.
Patent GB-1085006-A (GB)
Title: Process for the manufacture of hydrocarbon fuels having a high heating value
IPC: C10L1/04
Filed: 1966-05-09
Abstract: A process for the manufacture of hydrocarbon fuels having a high heating value comprises (1) destructively hydrogenating a petroleum wax over a catalyst containing a hydrogenation-dehydrogenation component supported on a solid acid-acting refractory oxide support to convert at least 30% weight of the wax per pass to hydrocarbons boiling below 288 DEG  C.; and (2) fractionating the product of step (1) to separate therefrom a fraction boiling between 149 DEG  C. and 316 DEG  C. and having a heating value of at least 10,500 kcal/kg. Hydrogenation conditions may be  260 DEG  to 482 DEG  C. 35 to 140 atmospheres 0.25 to 5 v/v/hour Hydrogen/feed mole ratio 5:1 to 50:1 The catalyst may be iron, nickel, cobalt or platinum or oxides or sulphides thereof or oxides or sulphides of molybdenum, tungsten or chromium, or mixtures of these, on silica and/or alumina, montmorillonitic clay, silica-magnesia or a molecular sieve, plus fluorine or chlorine. The wax feed may be distillate or residual, macrocrystalline or microcrystalline, and may contain up to 30% by weight of oil.
Patent GB-153697-A (GB)
Title: Improvements in and connected with tell tales for rudders and the like
IPC: B63H25/36
Filed: 1919-08-21
Abstract: 153,697. Peacock, J., MacTaggart, H. H., and Scott, R. G. Aug. 21, 1919. Indicators, rudder-position; hydraulic telegraphs. - Movement is transmitted from steering-gear or the like by means of a connecting- rod 1 to a movable cylinder 4 working on hollow fixed rams 2, 3. Fluid thereby displaced in the pipes B, C causes an alteration in the level of liquid in indicator tubes E, F. In one form, Fig. 2, tubes E, F are enclosed in vessels 5, 6 which are ccnnected to pipes B, C via valves 7, 8, a by .pass valve 9 connecting tubes E, F, when opened. The graduated scales 10, 11 are transparent, and are illuminated by a lamp in the casing. The fluid in the indicating tubes makes contact between a pair of leads in the tubes, thus completing electric lamp circuits when it reaches a given height. A replenishing tank G is connected to pipe B through a pump 14 and valves 15, 16 so that the pump may operate to force liquid in either direction. A disk-shaped receptacle provided with a drain cock is attached to the casing 19 to collect leakage liquid. In a modification the vessels 5, 6 have their upper ends inverted-cone shaped to prevent disturbance due to flow of liquid where the same liquid is used for transmission and indicating. In a further modification, Fig. 7, the vessels 5, 6 are arranged as shown, the indicating tubes containing mercury, and part of the supply pipe 30, and the replenishing tank, containing oil. An enlargement 33 on the supply pipe contains oil in its upper half and transmitting fluid in its lower half. The apparatus is charged by a telemotor charging pump connected to the transmitting gear A. The pipe 28 leads to the telemotor charging-pump, the pipe 29 to its charging-tank, and the pipe 30 to its motor cylinders, suitable cocks being provided. The transmitting-gear may comprise two cylinders with a common ram or one cylinder connected at its ends to pipes B, C. The apparatus may also have a separate charging pump and tank. The use of the apparatus is stated not to be limited to steering-gears.
Patent GB-1058098-A (GB)
Title: Project-retract mechanism for a ball point writing instrument
Inventor: MALM CURTIS LAWRENCE
IPC: B43K24/08
Filed: 1965-05-14
Abstract: 1,058,098. Retractable ball-point pens. PAPER MATE MANUFACTURING CO. May 14, 1965, No. 20586/65. Heading B6P. A pen of the type described in Specification 837,676 is modified in that the retract stop shoulder 48 for the latch 51 has a lower guide face portion 48a and upper guide face portion 48b. The pen is further modified in that the latch member 51 has the latching surfaces 57a and 57b, Fig. 9 (not shown), undercut, as illustrated, so that an improved engagement is made with the retract and project stop shoulders which are also undercut.
Patent GB-1131696-A (GB)
Title: Spring loaded clutch
IPC: F16D13/48
Filed: 1967-05-03
Abstract: 1,131,696. Friction clutches. DANA CORP. 3 May, 1967 [10 May, 1966], No. 20640/67. Heading F2C. A friction clutch has a plurality of engaging springs 72 arranged at an angle to its axis such that as the clutch is disengaged the angle of the springs increases to decrease the axial force exerted by the springs despite their increasing compression, thus progressively reducing the force required to move the clutch pressure plate 26 away from the driven plate 14. As shown in Fig. 2 the springs are positioned between seats provided on a cover-plate 30 and on an axially movable ring 68 which co-operates with the inner end of control levers 40 pivoted at their outer ends 43 to a ring 34 adjustably mounted in the cover 30 and engaging at intermediate points 45 with the pressure plate. The springs 72 urge the ring 68 to the left to engage the clutch, the ring 68 being shiftable to the right to disengage the clutch by way of a throw-out bearing 50. In a modification (Fig. 9, not shown), the ring 68 is urged away from the clutch plates to engage the clutch and shifted towards the clutch plates to disengage, the ends of the control levers 40 acting against the pressure plate and the springs 72 being arranged to bias the ring to the right. This modification may be further modified (Fig. 12, not shown) by having the engaging springs act directly on the pressure plate. In another embodiment, see Fig. 15, links 351 are pivotally connected to a clutch pressure plate 316 and to throw out levers 340. Engaging springs 372 are positioned between seats formed on the pressure plate 316 and on a member 333 which is carried by the throw-out levers by way of inserts 392 rockably received in bores 404 in the levers so that the levers are permitted to pivot about their pivots 364, the member 333 being shifted axially thereby. The springs 372 thus urge the levers 340 clockwise to engage the clutch, the clutch being disengaged by a throw-out bearing (not shown) acting on adjustable screws 356 at the inner ends of these levers.  In a further embodiment, see Fig. 19, the engaging springs react directly between the cover and the pressure plate and each spring is arranged with its axis lying in a plane, such as 522, parallel to the clutch axis, but with the axis of each spring at an angle to the clutch axis. The springs are arranged in pairs with the springs of each pair being arranged in opposite angular relationship to balance the circumferential forces on the pressure plate. A slight amount of circumferential unbalance may be intentionally induced by having one spring slightly stronger than the others to serve as an anti-rattle preload.
Patent GB-382619-A (GB)
Title: Improvements in or relating to stands for wringing and mangling machines
IPC: D06F1/00
Filed: 1931-07-20
Abstract: 382,619. Stands for wringers ; tables ; seats. CARTWRIGHT, F. E., The Hollies, Norton Road, Norton, Stourbridge, Worcestershire. July 20, 1931, No. 20662. [Classes 52 (ii), 52 (iii), and 52 (v).] A stand upon which a light wringing-machine may be clamped comprises a pair of metal non-collapsable substantially triangular end frames connected in spaced relationship and having a pivotal supporting-bar for the wring- ing-machine so that it can be inverted into an " out of use " position between the frames. The rames 1, 2, Fig. 1, are braced by bars 9, 10, 11, and are provided with vertical guides 12, 13 which are supported by turnedin portions of the cross members 7, 8 of the end frames. The slides 15, 16 move in the guides and between the upper ends a crossbar 17 is mounted on pivot pins 21. The wringing-machine 18, clamped at 19, is secured in the elevated position by pins 24 engaging the slides and the end caps 20 of the bar. The machine is held at the required height by pins 25 in holes 27 and by clamping by means of a bolt 28, washer 29, and wing nut 30. The machine may be inverted by removing the wing nuts 24 and rotating the apparatus, the handle 31 being accommodated in a slot 33, then allowing the slides to be lowered to the " out of use " position. In a modification, Fig. 7, the slides are omitted, and the end frame 1 is of irregular shape with a smaller front leg to provide a space 36 for the driving shaft 31 when the machine is in the inverted position. An alternative means of securing the pivoted bar in the erected position is by adapting a small lever (not shown) to engage vertical slots in the upper ends of the frames or slides. When the machine is in the " out of use" position, a table or chair can be affixed to the upper ends of the frames or slides, as shown in Fig. 10. Brackets 41 with legs 43 are secured on the underpart of the table &c. and, when placed so that the holes 44 coincide with holes 23 on the end frames, can be held firmly by thumb-screws 46. Fig. 19 illustrates a modification in which the slides 15, 16 are held in the elevated position by catches 59, which are displaced sidewise upon upward movement of the slides and return to support the pins 63 of the slides upon a part 62. A folding table 68 is fitted with brackets 71 provided with sockets which fit over the tops of the slides and the brackets are, in addition, formed with slots 75 and lugs to engage the slides and guides for use as a mangling board.
Patent GB-148895-A (GB)
Title: Improvements in internal combustion engines for aircraft
IPC: F02D9/00
Filed: 1920-07-10
Abstract: 148,895. Junkers, H. May 27, 1918. [Convention date]. Addition to 147,219. Regulating. -Relates to an aircraft engine, as described in the parent Specification, having enlarged cylinders for developing the required power at a given altitude, but in which the compression space is not reduced. According to this invention, the fuel is supplied in measured quantities for each piston stroke; the quantity of fuel supplied is adapted to ensure complete combustion at the normal flying altitude; at higher altitudes the quantity of fuel is reduced automatically according to the decreasing density of the air; and at lower altitudes the fuel supply is constant and the air supply may be throttled by a regulating device in the air ind'uction pipe, as described in the parent Specification. As shown in the diagram, the automatic control is effected by an aneroid box 6 which expands with increasing altitude so as to move a grooved plate 18 and vary the positions of the levers 13 and 11. The parts are shown in the position corresponding to the normal flying altitude. As the box expands, the lever 13 is moved towards the dotted position, so that the stroke of the pump plunger 25 is shifted towards the left, and the effective portion of the stroke, viz. the distance by which the plunger overruns the suction port 26, is reduced. The position of the lever 11 controlling the air valve 2 is not altered by the expansion of the box 6, but when this box contracts, the lever 13 remains in the position shown and the lever 11 is moved towards the dotted position, compressing the spring 3 of the air valve 2. The fuel may be admitted to the induction pipe, as shown, into the cylinder, or into the pump of a two-stroke engine; and it may be injected by compressed air or admitted under an even pressure through positively-actuated valves. The aneroid device may act on the controls through relays.
Patent GB-705166-A (GB)
Title: Improvements in or relating to coating compositions
Inventor: ELLEMAN ALBERT JULIUS
IPC: H01B1/00
Filed: 1950-08-22
Abstract: Oil-modified alkyd resin coating compositions which provide electrically-conducting films contain nickel powder with or without carbon black and Paris white.  The volume percentages of nickel in the dry film calculated on the density 8.9 of nickel are 15 and 17.5.ALSO:An electrically-conducting coating composition contains substantially non-oxidized magnetic metal powder in a proportion of from 5-25 per cent. by volume of the solids.  Any magnetic metal may be used, but non-oxidizing metals are preferred, e.g. nickel is preferable to soft iron.  Metal powders possessing magnetic remanence are preferred; soft iron and nickel are therefore preferable to stainless steel.  The conductivity is improved when the paint containing the powder is subjected to a magnetic field.  It it desirable to use a powder with a ratio of real density to apparent density of 4:1.
Patent GB-1211525-A (GB)
Title: Ketone derivatives of thiamine and their production
Filed: 1969-04-23
Abstract: 1,211,525. Ketone derivatives of thiamine. ARZNEIMITTELWERK FISCHER OHG. 23 April, 1969 [6 May, 1968], No. 20818/69. Heading C2V. Ketone derivatives of thiamine of formula where R is hydrogen or alkyl and R<SP>1</SP> is a substituted or unsubstituted aryl or heterocyclic radical, and their salts, are prepared by reacting thiamine or a mineral acid salt of thiamine with a compound of formula where X and Y are alkyl radicals, in the presence of an alkali. In examples, S-#-benzoylethylthiamine and S - # -p - methyl - benzoyethylthiamine are prepared by reacting thiamine hydrochloride with #-dimethylaminopropiophenone hydrochloride and with #-dimethylamino - p - methylpropiophenone hydrochloride, respectively. Other compounds are mentioned.