baber/WOPTO huggingface dataset:
Patent GB-173873-A (GB)
Title: Electrical indicating apparatus for indicating the opening or closing of electrical contacts and the sequence in which the contacts were opened or closed
IPC: H04Q9/04
Filed: 1920-10-09
Abstract: 173,873. Simpson, J. Oct. 9, 1920. Order apparatus.-In apparatus designed to send a particular number of electric impulses to line on the closing of a selected contact 6, each of the contacts controls the circuit of a magnet m adapted to withdraw a pawl k from co-operation with one of a number of commutators on a common shaft f. The commutators are each arranged to send impulses to line n<2> to control a circuit p<2> common to all the magnets and another o<2> peculiar to its own magnet. Indicators are provided in the line circuit together with means for changing the line over after the reception of one set of impulses, to another indicator. The commutators comprise fibre or like rings a<1> stepped to provide three tracks n, o, p engaging between the contacts n', o<1>, p<1>, so as to maintain the contact n<1> normally open and the others normally closed. On closing the contact 5, its magnet m withdraws the pawl k and the commutator is driven round by the weight i or by a spring. When the ratchet teeth are all passed, contacts o<1>, p<1> are opened and contact n<1> is closed intermittently through the gaps n', after which contact p<1> is allowed to close, contact o' remaining open, and the pawl k therefore falls into the notch e, from which it is withdrawn by the manual or automatic operation of the floating contact u. If a second commutator is released too soon after the first, the opening of the common circuit p<2> by the first will cause the pawl k of the second to drop back, and hold it until the first has finished sending its impulses. The commutators are mounted on the shaft f by a free-wheel arrangement g so that rotation of any commutator in the driven direction rotates the shaft, but not vice versa. The speed of rotation of commutators is controlled by a fly or a governor of the type used in gramophones. The driving-weight i is attached to a cord i<1> wound round a loose sleeve v carried by a drum j connected to the commutator. The sleeve v embodies a ring of ratchet teeth w engaging with a pawl x on the commutators. The commutator is wound up when the weight i has reached its lowest position by drawing down the smaller weight i<2>.
Patent GB-614922-A (GB)
Title: Improvements in and relating to self-closing doors
IPC: E05C17/50
Filed: 1945-10-29
Abstract: 614,922. Releasable fastenings; door stays. BAILEY, A., and DOCKING, S. J. Oct. 29, 1945, No. 28627. [Classes 44 and 65 (i)] A self-closing door is held in the full-open position by a device comprising a pair of main parts, one of which is adapted to be moved by hand about a horizontal axis to engage the other, the said parts being disengageable one from the other by a light tug or pull exerted on the door. As shown, the first main part comprises a pivoted loop 2. The second main part comprises hinged-together plates 4 and 6, the former carrying a tongue 8 which bears against a leaf-spring 5 carried by the latter. The loop engages plate 4, which is displaceable against the resistance of the spring. In a modification a pivoted rod has a bulbous end held releasably in a recess by an annulus of rubber which is retained in place by a metal washer. Specification 17250/03, [Class 44], is referred to.
Patent GB-360925-A (GB)
Title: Improvements in swath turners and like machines
IPC: A01D78/14
Filed: 1930-05-08
Abstract: 360,925. Haymaking. NICHOLSON, A. C., Trent Iron Works, Newark-on-Trent. May 8, 1930, No. 28708/31. Divided on 354,757. [Class 6 (iii).] A swath-turner or like machine of the type in which turning heads comprising tines carried by one or more members rotatably mounted upon a cranked spindle is provided with means for adjusting the tines in a substantially horizontal sense which consists in imparting rotation to one part of the spindle about the axis of that part. The machine is carried at its forward end by a wheel 8 in the middle of a driving axle 6. Blocks 9 are rotatably mounted on each of the outer ends of the axle and cranked rods 10 are pivotally fitted in these blocks at right-angles to the axle 6 thus allowing the turning devices 21, that are situated on the cranked parts of the rods, to be adjusted vertically or substantially horizontally. Each turning head 21 is fixed to a sleeve driven through a bevel gear 20 at the upper end of a sleeve 17 loosely mounted on the lower part of a rod 10 and provided at its lower end with a bevel pinion 18 meshing with one set of teeth 19 of an idle double pinion mounted on a stud axle in the block 9, the second set of teeth 16 of this pinion being adapted to engage with direct or reverse bevel wheels 15 on the driving shaft. A lever 22 moving over a quadrant 23 is coupled by a link 24 to an arm 9a projecting from the block 9 to move the pinion 16 into engagement with either of the gear wheels 15 or into an intermediate free position. To swing the block about the axle 6 to lift the turning head a projection 9c is coupled by a link 25 to a handlever 26 working over an adjusting quadrant 26a. To turn the cranked rod 10 about the axis of its lower part to give a substantially horizontal adjustment to the turning head a fork 27 is rigidly secured to the end of the rod and carries a swivel trunnion 29 through which a screw with a cranked handle 28 passes, the free end of the screw passing through a nut 31 on a boss 9d fixed to the arm 9a of the block 9. A lever and quadrant fitting may replace the screw and nut. Counterbalancing springs may be used with the adjusting devices, and foot-levers may be used in place of or additional to the hand-levers. The hand-lever mechanisms may be fitted with stops adapted to limit the movement of return of the turning heads after they have been raised to pass obstructions by the footlevers. Specification 354,757 is referred to.
Patent GB-983636-A (GB)
Title: Improvements in or relating to arrangements for reproducing sound in motor driven vehicles
IPC: G10K15/10
Filed: 1961-08-09
Abstract: 983,636. Reverberation systems. BLAUPUNKT-WERKE G.m.b.H. Aug. 9, 1961 [Aug. 13, 1960], No. 28725/61. Heading H4R. A motor vehicle 1 is equipped with an arrangement for reproducing sound in which a first loud-speaker 2 is connected directly to the output terminals of an audio-frequency amplifier 4 and a second loud-speaker 3 is connected to said output terminals through a further amplifier 7 and a delay device 6. Amplifier 4 may form part of a record player, tape recorder or radio receiver and the delay device may be structurally combined with one of these appliances. If the delay device is mounted separately the further amplifier 7 may be provided with its own power pack or power supply. The time delay is about 30 to 50 msecs. The arrangement gives an impression of a larger space and a reduction of ambient travelling noise.
Patent GB-721683-A (GB)
Title: Improvements relating to electric selective signalling systems
Inventor: HAILEY ALBERT MARTIN
IPC: G09C1/12
Filed: 1951-12-07
Abstract: 721,683. Electric signalling systems. SIEMENS BROS & CO., Ltd. Dec. 4, 1952 [Dec. 7, 1951], No. 28734/51. Class 40 (1). A display indicator comprises a number of mutilated discs in electrical contact with one another and co-operating with wipers so as to form a number of branches of a code circuit. In response to a code signal the discs control the driving of the display indicator until no circuit exists through any of the branches. Display members 8 are hinged to an endless chain 7 mounted on sprocket wheels 6, 15. Operation of an electromagnet 20 withdraws a latch 29 from a notched, wheel 10 and closes contacts 22 to energize a magnetic clutch (not shown) which couples the wheels 6, 10 to a constantly rotating shaft 40. The periphery of wheel 10 acts on the latch 29 to maintain contacts 22 between notches. The wheel 15 is connected through gearing and a Geneva-wheel mechanism to a set of mutilated discs shown schematically in Fig. 6, so that these discs are moved step-by-step each time a notch comes opposite the latch 29. The apparatus is set to starting position by closing contact R when circuit is made over R, discs 57, 58 and magnet 20 to drive the display apparatus until one of the notches in disc 57 reaches wiper 65 when the circuit is broken. A number to be displayed is entered in binary code on switches W, X, Y, Z and one or more of the discs 59-62 is then effective at each step to maintain magnet 20 until the desired position is reached. In a modification for displaying letters, five switches are used with five discs 58-62, the disc 57 being used for both feeding through a bridging wiper and for resetting through a single notch 65.
Patent GB-1049329-A (GB)
Title: N-substituted acid amides
Inventor: MULLER GERHARD
IPC: C07D273/04
Filed: 1963-07-19
Abstract: The invention comprises compounds of the formula <FORM:1049329/C2/1> where R1 is hydrogen or lower alkyl; R2 is a mono- or divalent radical which is an aliphatic radical of 1-8 carbon atoms, a cycloaliphatic, an aromatic or an araliphatic radical which may be substituted by halogen, nitro, cyano, lower alkoxy, ester, azo or sulphonic acid and its derivatives, or R2 is chlorosulphonyl or p-toluenesulphonyl; Y is halogen, lower alkoxy, lower alkoxy carbonylamino or lower dialkylamino; Z is halogen or lower alkoxy or alkylthio; and n is 1 or 2; "lower" meaning containing 1-4 carbon atoms; and their production by reacting YCH2NR1.CO (or S)Z with R2[NCO (or S)]n under anhydrous conditions at -10 DEG  to +120 DEG C. in the presence of a Friedel-Crafts' catalyst or an organic carboxylic or sulphonic acid.  A solvent may be present. The compounds of the invention possess herbicidal properties.ALSO:The compounds below are stated to be active herbicidally:- <FORM:1049329/A5-A6/1> <FORM:1049329/A5-A6/2> <FORM:1049329/A5-A6/3>
Patent GB-499526-A (GB)
Title: Improvements in or relating to screw propellers
IPC: B64C11/16
Filed: 1937-10-21
Abstract: 499,526. Screw propellers. COATS, J. S., and TROTMAN, E. W. Oct. 21, 1937, No. 28762. [Class 114] A hollow blade for an airscrew with cross-sectional area progressively increasing from tip to root, has at its root a holder formed with a complementary taper to that of the blade and in two parts, one within and one without the blade surface, whilst the blade faces are conical formed about an axis which lies outside the longitudinal axis of the blade. The blade 13 has a conical form at its root into which a holder 15 is placed and around which a second member 16 is disposed, the two parts being held together by screws, and further, the outer member 16 has a flange 19 brought over part of the member 15. The trailing surface of the blade is of conical form with an axis Y, Y<1> at an angle to the main blade axis X, X<1>, any transverse section .thereby being circular, with one end nearer the tip than the other. The leading edge is rounded to substantially aerofoil section. The blade is made of sheet-metal and may have one or more joins running from root to tip. The blades may be counterbalanced in the manner described in Specification 487,937.
Patent GB-603845-A (GB)
Title: Improvements in or relating to clamps
IPC: A63H33/10
Filed: 1945-10-31
Abstract: 603,845. Clamps. MITCHELL, M. N. Oct. 31, 1945, No. 28885. [Class 44] [Also in Groups X and XV] A clamp adapted to connect a plurality of rods or tubes comprises a pair of circular plates 10, 11 having radial indentations 12 in which the rods or tubes 19 are engaged, the plates being held together by a hollow bolt 14 through which another rod 20 may be passed and held in position by grub screw 21. The indentations may be of curved or angled section and may be roughened or serrated to afford a firm grip. The clamp is adapted for use in making toy constructions, e.g. toy cranes, or full size constructions, e.g. builders' scaffolding.
Patent GB-1509429-A (GB)
Title: Isoelectric focusing
IPC: B01D57/02
Filed: 1975-07-09
Abstract: 1509429 Isoelectric focusing ampholyte mixtures F HOFFMANN-LA ROCHE & CO AG 9 July 1975 [10 July 1974 24 April 1975]  28889/75 Heading C7B A device for isoelectric focusing of ampholyte mixtures comprises a rectangular, box-shaped receptacle 1 for receiving a solution of an ampholyte mixture to be separated and having a bottom 2, opposite end walls 3, 4, opposite front and rear walls 5, 6, two electrodes 7, 8 inserted in the receptacle proximate to the end walls, and provided with a plurality of impermeable walls 9, 10 extending parallel to the end walls and disposed so that first alternate walls 9 extend to the bottom and remaining alternate walls 10 extend proximate to the bottom to divide the receptacle into a plurality of continuously communicating U-tube chambers, in which (as shown) X is 1 to 3 mm, Y/X is greater than 50 and Z/absolute length of total flow-path between electrodes is less than 1/15. Isoelectric focusing is conducted with a power input of at least 3 watts/ml of ampholyte solution with a resultant average temperature rise of not more than 7C. An ampholyte solution is comprised of a sample ampholyte mixture, a carrier ampholyte mixture providing an artificial pH gradient, and water. The ampholyte mixture, or desired portions thereof, are sequentially subjected to isoelectric focusing in a series of multichamber devices of successively smaller volume without dilution of the ampholyte solution. Each impermeable wall 9 may have a rectangular channel Fig. 1, or a series of vertical contiguous tubes, Fig. 3 (not shown) for passage of coolant, e.g. liquid fluorocarbon from entry plenum (13) Fig. 2 (not shown) to exiting plenum (14) to cool the solution; additional cooling means e.g. tubes 11 may be arranged above walls 9 in contact with the ampholyte solution surface 12. The electrodes may comprise metal foil or wire grid, e.g. of Pt secured to a glass support. The surfaces of the receptacle are insulated e.g. with glass, and all internal joints thereof are provided with leak-proof seals e.g. having a silicone base. The ampholytes may be enzymes, hormones, blood or other proteins, cell particles or viruses.
Patent GB-1217816-A (GB)
Title: Hydrocracking
IPC: C10G49/00
Filed: 1969-06-09
Abstract: 1,217,816. Hydrocracking; hydrofining. TEXACO DEVELOPMENT CORP. 9 June, 1969 [25 June, 1968], No. 29010/69. Heading C5E. Hydrocarbon oils are reacted with hydrogen containing between 50 p.p.m. and 15 volume per cent of carbon monoxide at 600-850 F. and 500-300 p.s.i.g. Suitable catalysts consist of 5-40 wt. per cent of a hydrogenating component, comprising the sulphide or oxide of Fe, Co, Ni or a mixture of Ni and W, and a cracking component consisting of silica, alumina, silica-alumina, magnesia, zirconia, beryllia, a modified zeolite Y, or a mixture of the zeolite Y with any of the oxide cracking components and can be treated with hydrofluoric acid. The zeolite Y used is modified by ionexchange with an ammonium compound, calcining, a second ion exchange and a second calcining. Suitable oil feeds are straight run gas oil, fluid catalytically cracked cycle gas oil, delayed coker gas oil, shale oil, tar sand oil or atmospheric residuum and can be preliminarily hydrotreated to convert S to H 2 S and N to NH 3  using a catalyst of cobalt and/or nickel molybdate on an alumina support at 600-800 F. and 500-3000 p.s.i.g. A suitable hydrogen gas feed is made by gasifying a hydrocarbon by steam reforming or partial oxidation to produce a mixture of H 2  and CO, subjecting this gas to shift conversion and scrubbing to remove the CO 2  formed.
Patent GB-1154849-A (GB)
Title: Improved Filled Polymers
IPC: C08K13/02
Filed: 1966-06-28
Abstract: 1,154,849. Filled polymers. UNION CARBIDE CORP. 28 June, 1966 [29 June, 1965], No. 29013/66. Heading C3P. A filled polymer composition is obtained by heating (a) a thermoplastic polymer having a carbon to carbon chain with ester side groups; (b) a finely divided inorganic filler containing chemically bound water; and (c) a catalyst selected from organic phosphites, alkyl titanates, organic tin compounds, tertiary amines, quaternary ammonium compounds, aryl sulphonic compounds, Lewis acids, proton acids, alkali metal oxides and hydroxides and alkaline earth metal oxides, hydroxides and alkoxides; a reaction is said to be effected between the polymer and filler. The polymer is a homo- or copolymer, e.g. with ethylene, of vinyl acetate, alkyl acrylate or methacrylate, alkyl maleate or alkyl fumarate. Fillers are silica, alumina, clays or asbestos.
Patent GB-710665-A (GB)
Title: Improvements in or relating to ultra-high frequency transmission systems
IPC: H04B7/155
Filed: 1951-12-11
Abstract: 710,665. Radio signalling. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FILS. Dec. 11, 1951 [Dec. 16, 1950], No. 29025/51. Class 40 (5). [Also in Group XXXV] In a radio link system harmonic distortion arising in each link is counteracted by introducing: an equal: and opposite harmonic distortion in the link by means responsive to and individually compensating each spurious harmonic arising: As shown each link transmitter V<SP>1</SP> employs frequency modulation and is also modulated by a single, sinusoidal reference signal of angular frequency, say w,. lying outside the) band of modulation frequencies. This signal: is detected at the output of the net. transmitter V" and also the nth harmonic, say second harmonic of the signal, due to non-linearity, required to be, compensated is selected by a. harmonic analyser AH and the amplitude. of this harmonic after amplification in AS: is measured, using, the same harmonic of the. reference signal produced by a harmonic generator (in this case frequency doubler DF) by a phase amplitude detector DPh whose output across the differential load. resistors. R1, R2 is a D.C. potential' in magnitude and sign; corresponding to the amplitude and sign of the spurious harmonic distortion. This potential is, applied through an electronic controlled servomotor SM to operate a phase shift control device P in one arm of a balanced frequency discriminator D which demodulates the incoming signal. This discriminator comprises two waveguide magic T's with their collinear arms 1, 2 and 1<SP>1</SP>, 2' connected by waveguide sections of equal length. One section comprises an adjustable dielectric slab which in neutral position produces a phase shift of #/2, and the non-collinear arms 3<SP>1</SP>, 4<SP>1</SP> of the output T comprise detectors differentially feeding a resistance AD across which the incoming signals are detected and then frequency modulate the transmitter V<SP>11</SP>. Adjustment of the phase control device P counteracts spurious second harmonic output of the relaying section.
Patent GB-1132935-A (GB)
Title: Improvements in or relating to digital voltmeter apparatus
Inventor: GERSTENDORFER MICHAEL
IPC: H03M1/00
Filed: 1967-06-23
Abstract: 1,132,935. A/D converters. GRUNDIG E.M.V. ELEKTRO - MECHANISCHE VERSUCHSANSTALT INH. MAX GRUNDIG. 23 June, 1967 [23 June, 1966], No. 29130/67. Heading G4H. A reference voltage is connected to a voltageto-frequency converter feeding a counter through a gate which is closed when a predetermined count is attained, and the unknown voltage is then connected to the voltage-tofrequency converter, the gate being opened by a timing circuit for the same interval as was required to reach the predetermined count with the reference input. The arrangement eliminates errors due to long-term variations in the voltage-frequency characteristics of the converter.
Patent GB-914422-A (GB)
Title: Bis (phenyltolyl) ethers and method for their manufacture
Filed: 1960-08-23
Abstract: An adsorption medium suitable for vapour phase chromatography comprises a major proportion of an inert particulate packing material and a minor proportion of a liquid compound or mixture of compounds having the general formula R-CH2-X-O-X-CH2-R or <FORM:0914422/III/1> where X is a p-phenylene radical and R is a benzene ring which may be substituted by one or two methyl or ethyl groups.  In an example, a liquid mixture of bis(a -(x-tolyl)-p-tolyl) ether and 2-methyl-1-4-bis[p-(a -(x-tolyl)-p-tolyloxy) benzyl]-benzene is incorporated in a column of diatomaceous earth so that in each 30 cm. length of the column there is about 1 g. of the liquid mixture. Tables are given showing the retention volumes of various gases or vapours when passed with helium through the column under standard conditions.  Substances tested include saturated and unsaturated straight and branched chain hydrocarbons, halogenated hydrocarbons, cyclo-aliphatic and aromatic hydrocarbons, thiophene, dioxane, alcohols, aldehydes, ketones, ethers, and esters.ALSO:The invention comprises compounds of the general formula <FORM:0914422/IV (b)/1> where X is a p-phenylene radical and R is a benzene ring which may be substituted by one or two methyl or ethyl groups.  They may be obtained by reacting in presence of a FriedelCrafts catalyst 4.41-di(chloromethyl)diphenyl oxide with a benzenoid hydrocarbon of the formula R1\R2C6H4 where R1 and R2 represent methyl, ethyl, or hydrogen. Preferably at least 2 moles of the benzenoid hydrocarbon are used for each mole of the 4.41-di(chloromethyl) diphenyl oxide (DCMDPO) and the reaction is carried out at a temperature from 45 DEG C. to the boiling point of the benzenoid hydrocarbon.  The preparation of bis(a -(x-x-xylyl)-p - tolyl)ether, a a1 - bis(p-(a -phenyl-p-tolyl-oxy) phenyl)-p-xylene, a mixture of about 70% weight bis(a -(x-tolyl)-p-tolyl)ether and 30% 2 - methyl - 1.4 - bis-p-[a -(x-tolyl)-p-tolyloxy] benzyl)benzene, and a similar mixture of similar compounds in which (x-tolyl) is replaced by (x-ethyl phenyl) and 2-methyl is replaced by 2-ethyl, is described.
Patent GB-880661-A (GB)
Title: Information storage card
IPC: G06K19/02
Filed: 1959-08-26
Abstract: 880,661. Magnetic record cards. MAGNAVOX CO. Aug. 26, 1959 [Sept. 2, 1958], No. 29202/59. Class 106 (1). A record card consists of a base layer 10, e.g. of polyethylene terephthalate, an adhesive layer 14 in which a magnetic powder is mixed, and an overlay 12 which may be of the same material as the layer 10. The magnetic powder, which may be of ferric oxide (25%) and the adhesive, which may be a polyester (75%) are mixed together in a ball-mill. The layers are firmly bonded together by hot pressing in a flat-bed machine.