baber/WOPTO huggingface dataset:
Patent GB-1054507-A (GB)
IPC: B23D23/00
Filed: 1965-09-28
Abstract: 1,054,507. Making girders. VSESOJUZNY NAUCHNO - ISSLEDOVATELSKY I PROEKTNO - KONSTRUKTORSKY INSTITUT METALLURGICHESKOGO MASHINOSTROENIA. Sept. 28, 1965, No. 41120/65. Headings B3A and B3W. A method of making lengths of channel section includes the steps of rolling a channel with a curved web and outwardly splayed flanges, Fig. 1 (not shown), cutting the channel into lengths with flying shears, and straightening the web to obtain the desired cross-section. This arrangement minimizes damage to the channel in the cutting operation. The blades of the shears, Fig. 2 (not shown), may be shaped to match the section as rolled and the straightening operation may be carried out with rolls, Fig. 3 (not shown).
Patent GB-960681-A (GB)
Title: Improvements relating to organic isocyanates
IPC: C07C265/12
Filed: 1962-11-01
Abstract: An organic polyisocyanate composition consists of 1-40% by weight of m-phenylene diisocyanate and 99-60% by weight of a toluene diisocyanate or a mixture of two or more isomeric toluene diisocyanates liquid at a temperature of 22 DEG C.  The eutectic composition corresponding to 26% by weight of m-phenylene diisocyanate is preferred for convenience in handling.  The compositions may be made by mixing m-phenylene diisocyanate, either as a solid or as a liquid, with toluene diisocyanate at room temperature in a dry atmosphere.  The order of addition is not critical.  Conventional means of agitation may be employed. Specifications 790,527, 796,041 and 797,965 are referred to.ALSO:A polyurethane is made by the reaction of a composition consisting of 1-40% by weight of m-phenylene diisocyanate and 99-60% by weight of a toluene diisocyanate or a mixture of two or more isomeric toluene diisocyanates liquid at a temperature of 22 DEG C., with a difunctional organic compound in which the functional groups will react with isocyanate groups, such as a polyol and in particular a polyether glycol, to form a polyurethane.  They may be used to make cellular polyurethane articles according to the procedure in Specifications 797,965 and 790,527.  In examples, polyurethanes are made from the diisocyanate composition and (a) polypropylene ether glycol and stannous octoate; (b) polypropylene ether triol, polydimethyl-siloxane-polyalkylene ether block copolymer, stannous octoate, triethylene diamine and water, the resulting fluid being allowed to foam.  Specification 796,041 also is referred to.
Patent GB-877113-A (GB)
Title: Improvements in cable and like marking machines
Inventor: DOWNES JOHN
IPC: B41F19/06
Filed: 1958-12-29
Abstract: 877,113. Marking cables. MILFORDASTOR Ltd. Dec. 11, 1959 [Dec. 29, 1958], No. 41806/58. Class 100(2) Apparatus for marking cables. comprises a roller, driven by the passage of the cable, which rotates a cylinder having heated dies thereon and an automatically changing number-printing mechanism adapted to print a legend and the length on to the cable from a transfer foil fed through the apparatus between the heated dies and the cable. As shown, the cable A is fed between rollers 3, 5 and the marking cylinder 11 and a roller 14, and is subsequently wound on a drum or reel. The cables drives the rollers 3, 5, and the roller 5 drives the cylinder 11 through a belt 12. The lower rollers 3, 14 are carried on levers which are urged upwardly by rubber buffers 4b, 15b, respectively, on other levers which are engaged by cams 6, 17. The cam 6 is shown as settable by a handle 8 and lockable by a handle 8, and the cam 17 is urged by a weight 19, but the same system can be used in both positions. The marking cylinder 11 has four electrically heated dies 13, one of which comprises an automatically changing number-printing mechanism 13b. The latter is operated, as the cylinder rotates, by fixed cams which engage a roller on a slide incorporated in the mechanism 13b, and the arrangement is such that the mechanism 13b marks the cable length passed through the apparatus, and the other dies mark the maker's name, type of cable &c. The cable is guided over adjustable flanged rollers 34. Marking foil B is drawn from a spool 22, over guide rollers 23, through a shoot and guide 24 into contact with the cable A, around a roller 27 and further guide rollers 23a to a rewind spool 25 which is driven by a belt 26 from the marking cylinder 11 through a clutch means which accommodates the change in diameter of the spool 25 as the foil accumulates thereon. The roller 27 is actuated to press the foil on to the cable A during the number-printing operation: this roller is carried by a lever 28 having a runner which is engaged by a cam 31 on the cylinder 11.
Patent GB-1454761-A (GB)
Title: Method and apparatus for handling leas of thread
IPC: B65H54/62
Filed: 1973-09-05
Abstract: 1454761 Dividing hanks into leas T BABA 5 Sept 1973 41853/73 Heading D1J A method of hanging leas 1a, 1b, lc, Fig. 1, which are to be treated, comprises passing a lea hanging thread 2a, 2b, 2c around each lea to subdivide it from the hank, and tying all of said lea hanging threads together in a common knot A' so that all of the leas hang substantially level with one another from said knot. The threads 2a, 2b, 2c may all be separate threads or, as shown in Fig. 3, a single thread A may be passed under the hank 5 and then drawn up through the hank to divide the hank into two or more leas 1a, 1b, lc, the resulting loops of thread and thread ends being then tied together in a common knot. An apparatus for dividing a hank 12, Fig. 6, into two leas comprises a needle 11 that can be forced by a piston 8 through the centre of the hank 12; and a pair of pipes 17, 17' that move downwardly with the needle 11 to a setting where they embrace the hank. A cylinder 26 for the piston 8 then moves downwardly and a tapered face 23 on the cylinder 26 causes the pipes 17, 17' to close against the eye of the needle 11. The thread A is then fed through the pipes 17, 17'. When the cylinder 26 rises the pipes 17, 17' move apart and rise upwardly with the needle 11 to cause the thread A to divide the hank into two leas. The upper ends of the loops of thread are then tied together by a knotting apparatus Fig. 9 (not shown) that forms the subject matter of Specification 1454762. Fig. 8 (not shown) shows an embodiment in which two parallel spaced apart needles 11 are carried by the piston 8 to divide a hank into three leas.
Patent GB-1023445-A (GB)
Title: High speed spindle arrangement
Inventor: SCRAGG FREDERICK
IPC: D02G1/06
Filed: 1962-11-06
Abstract: 1,023,445. False twisting. ERNEST SCRAGG & SONS Ltd. Nov. 6, 1962, No. 41869/62. Heading D1D. In a high speed false twisting spindle assembly wherein the spindle 14 is supported by at least two rollers A, B, the roller A has a peripheral tyre 11 which is radially expansible under rotation so that the expansion enables it to support the spindle. The tyre 11 is preferably of a medium grade polyurethane while the idler roller B comprises two spaced apart discs of a hard grade polyurethane. The rollers A and B are mounted on a pivoted support plate 22 which is biased towards a driving roller C by a spring 16. Driving roller C comprises spaced apart discs of a hard grade polyurethane, its shaft being mounted in fixed bearings 17 and having a wharve in its lower end whereby it is driven by a belt 20. Spindle 14 is axially located by flanges therein engaging between the discs of rollers B, C. Reference has been directed by Comptroller to Specification 932, 206.
Patent GB-992022-A (GB)
Title: Improvements in clutches comprising declutching levers
IPC: F16D13/70
Filed: 1961-11-23
Abstract: 992,022. Friction clutches. FRANCAISE DU FERODO S.A. Nov. 23, 1961 [Nov. 23, 1960], No. 41997/61. Heading F2C. In a friction clutch comprising a cover 16 secured to a flywheel 10 and having driving connection with a pressure plate 11 movable axially towards the flywheel to engage a driven member 12, and away from the flywheel by levers 18 mounted on the cover, openings in the cover have reinforcement plates 32 at their edges. The reinforcement plates may extend or the whole or part of the periphery of the openings and serve as abutments for the driving bosses 28 of the pressure plate. Additional reinforcement may be provided in the form of angle plates 33 which extend radially inwards to retain the outer pivot pins 27 of the needle bearings 27<SP>1</SP> carrying the clutch release levers 18. The release levers 18 are pivoted on needle bearings 20 on pins 19 carried by yokes 21 secured to the cover at a position which has been rendered more flexible by perforations 37. The perforations may take several forms or the angularity of the levers may be accommodated by mounting the yokes on plates having restricted movement in openings in the cover. The inner ends of the release levers carry rollers 44 engaged by perforated discs 24, 25, 26 acted on by the clutch thrust bearing. The disc 25 has a forwardly projecting flange 25a, notched to engage the levers for rotation therewith, and the rollers 44 are retained against the disc 26 by mousetrap springs 46.
Patent GB-954095-A (GB)
Title: Improvements in the manufacture of polymers
Inventor: HAGGIS GEOFFREY ARTHUR
IPC: C08G18/02
Filed: 1961-11-27
Abstract: A process for the polymerization of polyisocyanates by contact with a basic polymerization catalyst in an inert solvent to obtain isocyanurate polymers containing free isocyanate groups, is characterised in that the polymerization mixture contains not more than 0.03% by weight of water.  In examples polymers are obtained from tolylene-2:4-diisocyanate and tolylene-2:6-diisocyanate in butyl acetate, ethyl acetate, methyl isobutyl ketone and a mixture of toluene and ethyl acetate, using calcium naphthenate and lead naphthenate as catalysts and with the addition of phenol to obtain mono-N-substituted carbamic esters as co-catalysts, the reaction mixtures containing less than 0.03% by weight of water. Other polyisocyanates, solvents and catalysts are mentioned. Specifications 842,154 and 920,080 are referred to.
Patent GB-1387429-A (GB)
Title: Communication system
Inventor: GOLDING LEONARD S
IPC: H04B1/66
Filed: 1972-01-11
Abstract: 1387429 Sampling system COMMUNICATIONS SATELLITE CORP 11 Jan 1972 [11 Jan 1971] 42415/74 Divided out of 1387427 Heading G4H  A system for transmitting analogue signals by pulse code modulation techniques comprises (a) sampling an analogue signal of upper frequency A 2  at a minimum rate equal to A 1  + A 2  where A 1  less than A 2 , (b) converting each sample into a pulse code, (c) after transmission, reconverting said pulse code into an analogue signal and (d) comb filtering the latter analogue over the frequency band A 1  to A 2  so that said frequency band contains stop and pass bands. The analogue signal is optionally filtered at (37) and is then sampled at the above specified rate which is less than the Nyquist rate. The samples are digitized, transmitted, reconverted to analogue and then filtered at 39. The post sampling filter 39 is a comb filter and to stop bands are arranged to remove sampling energy which has been introduced into the signal by the low sampling rate. Details of the transmission of the separated luminance and chrominance parts of the NTSC colour television signal by this method are given. The sampling rate for each part is an odd multiple of half the horizontal line frequency and the pass bands are centred on the horizontal line frequency harmonics.
Patent GB-1058800-A (GB)
Title: Process for stabilizing natural keratin fibers
IPC: D06M15/564
Filed: 1964-10-16
Abstract: Keratin fibres, e.g. sheep's wool, rabbit fibre, angora, vicuna wool, llama wool, alpaca wool, camel's hair and cashmere fibres alone or in admixture with nylon or polyester fibres, are shrinkproofed by impregnating them either in fibrous or fabric form, with a curable urethane prepolymer having blocked or unblocked isocyanate terminal groups and then heating them to a temperature sufficient to cure the prepolymer.  The prepolymers, which may have molecular weights of 200-4,000, may be prepared by the reaction of a polyisocyanate with a polyhydroxy compound having more than one hydroxyl group and having a polyester, polyether, polythioester and/or polythioether backbone, preferred prepolymers being those prepared by the reaction of toluene diisocyanate, diphenylmethane diisocyanate, 1,5-naphthalene diisocyanate or hexamethylene diisocyanate with an ester derived from castor oil or by the reaction of ethylene glycol, propylene glycol and adipic acid or with a polyalkylene glycol.  The terminal isocyanate groups may be wholly or partially blocked by reaction with methyl ethyl ketoxime, cyclohexanone oxime, butyraldoxime, acetophenone oxime, dimethyl ketoxime, ethylene imine, propylene imine, 2-methyl ethylene imine, methanol, ethanol, propanol, diethylamine, morpholine or dibutylamine.  The prepolymer may be applied to the keratin fibres as a solution in toluene, xylene, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, methylene chloride, trichloroethylene, perchloroethylene, acetone, methyl isobutyl ketone, methylethyl ketone, dimethyl formamide or dimethyl sulphoxide, by spraying, brushing, roller coating or dipping and the solvent may then be removed and the prepolymer cured by heating to 180 DEG -300 DEG F. The treating solution may also contain a curing agent which supplies active hydrogen atoms in the form of OH, NH2 or SH groups, e.g. N, N, N' N'-tetrakis (2-hydroxypropyl) ethylene diamine, triisopropanolamine, trimethylolpropane and triethanolamine a catalyst, e.g. calcium octoate, cobalt octoate, iron octoate, manganese octoate, stannous octoate, zinc octoate, lead octoate, lead acetyl acetonate, triethylene diamine, lead-2-ethylhexoate, lead benzoate or lead oleate, a pigment, e.g. titanium dioxide, carbon black, iron oxide or silica, a softener, e.g. a fatty acid ester of sorbitol or a quarternary ammonium salt containing at least one alkyl chain having more than 16 carbon atoms.  Alternatively the softener may be applied after the prepolymer has been cured. Pile fabrics comprising 20% by weight of mohair and 80% by weight of sheep's wool may be treated.
Patent GB-1360582-A (GB)
Title: Flat-type electromagnetic relay
IPC: H01H51/22
Filed: 1972-09-14
Abstract: 1360582 Electromagnetic relays INTERNATIONAL STANDARD ELECTRIC CORP 14 Sept 1972 [16 Sept 1971] 42627/72 Heading H1N A relay with a pivotally mounted armature surrounded by an operating coil and co-operating with a U-shaped yoke has its pivoted armature biased against a stop and its contacts are balanced cantilever arms secured in a plane normal to the coil axis and including the armature pivot axis. Fig. 5 shows a bi-stable relay with permanent magnets 40, 50 for retaining the armature in extreme positions to which it is moved on pulsing of a coil 10. Separate alternate oppositely acting windings 200, 210 may be provided as in Fig. 15 which also shows the contact springs mounted in an upper housing part and moved by members 110 and 120 slidable in the housing and engaged between the ends of the armature and respective spring ends. Fig. 16 shows a single-side-stable relay with a biasing spring 150 and an armature 160 projecting within a slot 173 of the yoke 171.
Patent GB-1070950-A (GB)
Title: Halo-substituted diphenyl-cyclopropanes and their use in combatting insect pests
IPC: C07C25/18
Filed: 1964-10-20
Abstract: The invention comprises compounds of the formula <FORM:1070950/C2/1> in which R and R1 are the same or different and are Cl, Br or F. They may be prepared by reacting a 1,1-di-(p-halophenyl)-ethylene of formula <FORM:1070950/C2/2> in a medium which generates dichlorcarbene (CCl2) or which contains a dichloromethylene transfer agent.  For example, the 1,1-di-(p-halophenyl)-ethylene may be reacted with phenyl(trichloromethyl)-mercury or phenyl-(bromodichloromethyl)-mercury. Alternatively they may be produced by reacting 1,1-di-(p-chloro-phenyl)ethylene with, for example, chloroform or bromodichloromethane, in the presence of a base, e.g. potassium tert.-butoxide, butyl lithium, methyl lithium and sodium hydride, to give 1-(4-chlorophenyl)-1-(41-chlorophenyl)-2,2 -dichlorocyclopropane.ALSO:Compounds of the general formula <FORM:1070950/A5-A6/1> in which R and R\sv are the same or different and chlorine, bromine or fluorine are used in combatting insect pests.  The compounds may be used (a) in the form of solutions, emulsions or suspensions in, for example, isopropyl ether, a ketone, a chlorinated hydrocarbon, a liquid alkane, an aromatic hydrocarbon, a petroleum fraction or an olefin dimer or trimer; as a solid with a solid extending agent, e.g. tricalcium phosphate, calcium phosphate, calcium carbonate, kaolin, bole, kieselguhr, talc, bentonite, fuller's earth, pyrophillite, diatomaceous earth, calcined magnesia, volcanic ash, sulphur, powdered cork, powdered wood and powdered walnut shells; and (c) an aerosol.  The emulsions and suspensions may also contain non-ionic surfactants.
Patent GB-1213247-A (GB)
Title: Improvements in or relating to compositions comprising nylon and a filler
IPC: C08L77/00
Filed: 1969-08-27
Abstract: 1,213,247. Fibrous polyamide composition. DART INDUSTRIES Inc. 27 Aug., 1969 [27 Aug., 1968 (2)], No. 42716/69. Heading C3R. A composition comprises 50-15 wt. per cent asbestos containing #95% chrysotile fibre, and 50-85% wt. nylon, e.g. nylon 6 or 6/6. Also present may be 0À5-10% polyethylene which may be of low density, e.g. 0À910-0À939g./c.c., or of high density, e.g. 0À939-0À975 g./c.c.; the latter may have carboxylic acid salt gps. The composition may contain e.g. 0À01-5À0% wt. of a pigment, e.g. cadmium red, an aluminium pigment, or carbon black beads.
Patent GB-1075879-A (GB)
Title: Improvements in or relating to cast gas contacting blades
IPC: B22D27/04
Filed: 1964-10-20
Abstract: Gas turbine blades or vanes are cast with an elongated columnar grain structure from the following alloys:-  <TABS:1075879/C6-C7/1>
Patent GB-1024803-A (GB)
Title: Alkylaryl isocyanates and process for the production thereof
IPC: C08G18/71
Filed: 1963-10-30
Abstract: Isocyanates of general formula <FORM:1024803/C2/1> wherein R1 is Cl or Br, R2 is alkyl possibly substituted by aryl, isocyanate or arylisocyanate radicals, x is 1-5,y 1-3 and z 0-3 (when z is 0 at least one R2 is isocyanatoalkyl), are prepared by halogenating the compounds (x=0) and converting impurities of halogenoalkyl compounds prior to removal to a difficultly volatile form by treatment with a nucleophilic aromatic compound in presence of a Friedel-Crafts catalyst.
Patent GB-1187027-A (GB)
Title: An Improvement in or relating to Appratus for Dispensing Liquid.
Inventor: BOOTH PHILIP MOULSON
IPC: G01F11/08
Filed: 1966-10-24
Abstract: 1,187,027. Delivering measured quantities of liquid. J. F. EARDLEY Ltd. 28 June, 1967 [24 Oct., 1966], No. 42949/69. Divided out of 1,187,026. Heading B8N. The subject-matter of this Specification is substantially the same as that described in Specification 1,187,026, but the claims are concerned with a detent device having a plunger 104 which is caused by the flow of liquid through or around it, or impinging against it, to move into a position where it prevents closing or opening of an electric circuit, e.g. by means of a reed switch 112.
Patent GB-1194406-A (GB)
Title: Device for producing Synthetic Fibres
IPC: D01D5/30
Filed: 1967-09-21
Abstract: 1,194,406. Spinning apparatus. INVENTA A.G. FœR FORSCHUNG UND PATENTVERWERTUNG. 21 Sept., 1967 [21 Sept., 1966], No. 42970/67. Heading B5B. Apparatus for spinning composite filaments of at least two different polymers comprises the combination of a spinning head and at least two differently shaped sets of interchangeable guide pins for mounting in the head, the head comprising a spinneret plate having bores therethrough leading to the spinning orifices, a guide plate above the spinneret plate forming a mounting for the guide pins, one of which pins extends downwardly into each bore, and channels for the supply under pressure of the different polymers to each guide pin or to positions in each bore, the guide pins in any set having flats, slots or drillings formed in them and being so shaped that, in use, separate streams of the polymers are formed in the bores and these do not mix but are combined in the orifices to form composite filaments of the desired cross-section. In Figs. 27-45, which are typical of the many forms disclosed, the pins 4 have a central bore 5 for receiving and guiding one polymer component, while the second polymer enters at level X and travels in the spaces 7, 10, 11 between the bore and the shaped pins. Figs. 28, 34, 39 and 43 are sections along line A-A, Figs. 29, 35, 40 and 44 are sections along line B-B and the lowermost Figs. show the orifices 3. The filaments may have more than two components and to this end the guide pins may themselves be made of two or more interengaging component parts (Figs. 46, 49, 52). The filaments may also be of non-circular section and may also be hollow (Figs. 3-26).
Patent GB-1365022-A (GB)
Title: Potentiometer
IPC: H01C10/08
Filed: 1972-09-18
Abstract: 1365022 Potentiometers PARECHOC SA 18 Sept 1972 [20 Sept 1971] 43106/72 Heading HIS A potentiometer consists of a slider, e.g. arm 12 and roller 7 and (coiled wire) resistance track 3, and a flexible intermediate sheet member 8 resting on a resilient (rubber) cushion 9. At least the part of the sheet overlying the track 3 is conductive and the arrangement is such that the portion under the slider is pressed into contact with the track. It is stated that this increases the resolution of the potentiometer which may be used as a transducer for measuring the angular position of a rotative element. As shown, the potentiometer has a two-piece cylindrical plastics casing 13, 15. Connecting wires enter through sleeves 10 and are connected two to the resistor track 3 and one to the sheet 8. Arm 12 is rotated by shaft 11 supported by bearings 16, 14, the lower one being accessible through cover 18. The shaft may carry coupling means enabling several potentiometers to be ganged together (Fig. 3, not shown). If the potentiometers are not ganged the shaft need not extend into the bottom half of the housing. Resistance 3 may be a carbon track or conductive plastics and may be spiralled to give a non- linear characteristic. If the track is rectilinear the sheet may protrude on both sides and be supported by two cushions, or one cushion in which the resistance is embedded.
Patent GB-1137194-A (GB)
Title: Improvements in or relating to transistor amplifiers
IPC: H03G1/00
Filed: 1967-09-22
Abstract: 1,137,194. Automatic volume control. SIEMENS A.G. 22 Sept., 1967 [23 Sept., 1966 (2)], No. 43147/67. Headings H3T and H4R. A transformer coupled variable-gain transistor amplifier, Fig. 1, has a bridged T-network with its series arms W3, W4 and R1 connected between the input transformer and the transistor control electrode and the shunt arm, including a variable impedance Rr, connected in a feedback loop from the transistor output transformer. The variable impedance may be complex to provide frequency dependent properties and attenuation poles may be provided. The variable impedance may be provided, as shown in Fig. 3, by the collector emitter impedances of transistors T1 and T2 having the control signal U ST  applied to their bases, and their emitters and collectors A.C. coupled via the transformer windings W21, W31, W41 and W51. The circuit gives linear, fast-operating, impedance control. A modification of the circuit of Fig. 3 providing lower distortion has additional windings between windings W21 and W31 and the centre tap, with the junctions between the original windings and the additional windings connected, by resistors in series with capacitors, to the collectors of the opposite transistors. The arrangement, Fig. 4 (not shown), provides a series-parallel connection of the transistor impedances, reducing non-linearity of the input impedance Ri of the circuit at high drive levels.