baber/WOPTO huggingface dataset:
Patent GB-1528773-A (GB)
Title: Lined blanks
IPC: B65D65/40
Filed: 1975-09-09
Abstract: 1528773 Laminates DR RUDOLPH SCHIEBER CHEMISCHE FABRIK KG 9 Sept 1975 [10 Sept 1974] 36939/75 Heading B5N A lined blank comprises a backing layer 2 and a lining layer 1 formed from a sheet material and bonded to the backing layer by a more rapidly setting adhesive, joining regions 6, 7 of adjacent surfaces of the two layers together, and by a less rapidly setting adhesive joining the remaining regions 8 of the adjacent surfaces of the two layers together, lining layer 1 which may be printed may be of paper, plastics film or metal foil and backing layer 2 may be of plastics material, cardboard or corrugated cardboard. The adhesives may be applied by means of rollers, the corrugations in those regions where the more rapidly setting adhesives is to be applied being pressed flat tc prevent application of the other adhesives tc these regions. After application of the ad hesives the layers may be pressed together with rollers, bands or belts. Edge regions 4, 5 may be cut away during further processing, the more rapidly setting adhesive may be a dispersion glue, natural or synthetic latex, hot melt adhesive or animal glue and the more slowly setting adhesive may be vegetable glue, cellulose glue or second dispersion glue.
Patent GB-325329-A (GB)
Title: Improvements in or relating to electric pick-up devices for gramophones and the like
IPC: H04R1/16
Filed: 1928-12-14
Abstract: 325,329. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Dec. 14, 1928. Gramophone pick-ups. - A pick-up device incorporates a condenser connected in parallel and a high ohmic resistance in series with the speech coil to eliminate needle scratch. The armature 13 is mounted inside the speech coil 14, which is connected to terminals 15, 16. The condenser 17 has a capacity such as to afford a low-impedance path to oscillations of frequencies greater than 5000 cycles per second. The coil may be wound with high-resistance wire.
Patent GB-788942-A (GB)
Title: An arrangement for testing electric circuit breakers
IPC: G01R31/333
Filed: 1954-12-23
Abstract: 788,942. Testing circuit breakers. LICENTIA PATENT-VERWALTUNGSGES. Dec 23, 1954 [Jan. 11, 1954; Jan. 11, 1954], No. 37179/54. Class 37. In apparatus for testing circuit breakers by the Weil method wherein a test breaker Sp is supplied with high current from a generator G through a current-limiting reactor Ds and an auxiliary current breaker Sh in series, which opens together with the test breaker, a highvoltage oscillatory current is applied to the test breaker gap shortly before expiry of the last current wave by triggering controlled spark gap F to discharge a capacitance C (charged from a high-voltage unidirectional source) into inductance L and recovery voltage adjusting capacitance Ce in series with Rd; and any flashover of the auxiliary breaker Sh due to the recovery voltage developed by the high natural fre-  quency of the high current supply circuit G and Ds is prevented by shunting a capacitance Cp across the output thereof in series with a normally open breaker S, which closes simultaneously with the opening of Sp. The capacitance lowers the natural frequency and the rate of rise of the recovery voltage of the high current supply circuit, and a further capacitance Cs in series with resistor Rs and spark gap Fs adjusted to conduct at a preset voltage, is shunted across the generator to absorb and damp put peaks of voltage greater than a predetermined value, so that protection is provided against voltage impulses derived from failure of breaker S and capacitance Cp to prevent flashover of breaker Sh. Specification 788,548 is referred to.
Patent GB-1116954-A (GB)
Title: Concrete anchoring insert and method of installing the same in a concrete slab
Inventor: JENKINS ROBERT HALL
IPC: E04B1/41
Filed: 1965-08-31
Abstract: 1,116,954. Screw sockets. SUPERIOR CONCRETE ACCESSORIES Inc. 31 Aug., 1965, No. 37210/65. Heading F2H. A screw anchorage for embedding in a concrete slab during casting, comprises a wire helix 26, having legs 28 welded to the outside to maintain it in position in the slab mould, and plugs 22, 24 of compressible material, e.g. expanded polystyrene, to prevent concrete from seeping into the helix during the pouring operation, the lower plug 22 being formed with a cylindrical portion (52), Fig. 5, not shown, to tightly fit the bore of the helix, and a lower portion (50) of a diameter equal to the helix to form a void in the concrete. The junction of the portions (50) and (52) present a shoulder which conforms in shape to the lower end of the helix. The upper plug 24 is of a diameter equal to the helix and has a bore (60), Fig. 6, not shown, to fit over an extension of the portion (52), and a lower face conforming to the upper form of the helix. In an alternative embodiment, two plugs, Fig. 8, not shown, similar in shape to 22 but with shorter portions (52) may be inserted into the helix, one from below, and one from above.
Patent GB-838698-A (GB)
Title: Paper pattern cutting machine
IPC: B26F1/38
Filed: 1958-11-19
Abstract: 838,698. Cutting machines. EASTMAN MACHINE CO. Nov. 19, 1958, No. 37268/58. Class 31 (2). A portable hand-guided machine for cutting a groove-like opening 46, Fig. 7, in pattern paper 44 comprises a base-plate 11 above which extends a slotted supporting plate 14 to which are secured slotted side plates 17 to form a guideway in which is vertically reciprocable a blade 20 of rectangular cross-section cooperable with a stationary blade 24, the blade 20 being connected to a pitman 89 depending from an eccentric 88 driven by means of gearing from an electric motor 65. The blade 20 has a cutting, edge 21 terminating in a heel portion 22. The base-plate is provided with an outlet channel 40 extending to the lower face thereof between the front face 41 of the blade 20 and the rear end 42 of the base-plate, the portion of the base-plate above the channel being formed with tapering side walls to permit the cuttings to fall freely through and out of the channel. A direction pointer 37 is mounted between presser feet 13 secured to the side plates 17. A manually-operable pivotallymounted notch gauge 50 facilitates the formation of notches 47, Fig. 7.
Patent GB-1101854-A (GB)
Title: Fused cast refractory
IPC: C22C32/00
Filed: 1965-09-01
Abstract: A fused cast refractory consisting of at least 2% by weight free carbon, and preferably at least 7% by weight in the form of an intergrowth network intermingling with randomly oriented crystals including metallic borides or borocarbides and mixtures thereof, analytically comprises carbon, more than 5% by weight boron, and more than 5% by weight of one or a mixture of metals selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Si.  Metals selected from Mn, Fe, Co, Ni may be mixed with the first group, provided they do not form more than 50% by weight of the total metal content. Up to 10% by weight of O2 or N2, but not more than 15% by weight combined may be included, and up to 10% by weight of the elements Al, S and P' alkali and alkaline earth metals, and rare earth metals.  The casting is made by a conventional electric furnace method, but it is not always necessary to include carbon in the batch, the necessary amount being supplied by the graphite lines or electrodes of the furnace. Specific examples are described.
Patent GB-815084-A (GB)
Title: Polyester resin compositions
Inventor: SCHOLLICK FRANCIS
IPC: C08G63/52
Filed: 1954-12-29
Abstract: A polymerizable thixotropic composition comprises a liquid monomer, an amorphous unsaturated polyester resin, and a crystalline unsaturated polyester resin which has been liquefied and crystallized in the presence of the amorphous polyester. Specified liquid monomers are styrene and diallyl phthalate, and polyester components utilized are propylene and ethylene glycols, pentaerythritol, adipic and sebacic acids, phthalic acid anhydride, and fumaric acid. Specifications 644,287 and 656,138 are referred to as illustrative of the production of amorphous and crystalline resins respectively.  The compositions may also contain hydroquinone (stabilizer), and pigments and/or fillers and are curable with the aid of catalysts and promoters such as benzoyl- and methylethylketone-peroxides, cobalt naphthenate and diethyl aniline.  The compositions may be applied to shaped surfaces, e.g. of fibrous materials, without flowing down vertical or slanting surfaces.  Example 13 illustrates (a) the polymerization of a thixotropic composition between glass plates, and (b) the production of a hard laminate from a glass fibre mat impregnated with a thixotropic composition, by the use of infra-red heating.
Patent GB-1153144-A (GB)
Title: Coloration Process and Aminoazo Compounds for use therein
Inventor: BERRIE ALISTAIR HOWARD
IPC: C09D7/63
Filed: 1965-09-03
Abstract: 1,153,144. Monoazo pigments; colouring oils, fats, waxes, greases, lacquers, solvents, inks, polishes and motor spirit. IMPERIAL CHEMICAL INDUSTRIES Ltd. 21 July, 1966 [3 Sept., 1965], No. 37694/65. Headings C4A, C4P, C5F, C5G and C5W. The invention comprises monoazo pigments of the general formula free from hydrophilic groups i.e. carboxylic, sulphonic acid and hydroxyl groups, and wherein R and R 1  are each alkyl groups containing at least 2 carbon atoms, e.g. ethyl, and at least one of the two aromatic nuclei carries one or more unsubstituted methyl or ethyl groups at least one of which is ortho to the azo group. They are prepared by diazotizing an amine of the aniline series and coupling to an optionally substituted N,N- dialkyl aniline coupling component. The pigments are used in solution in, e.g. a hydrocarbon ester or ketone to colour oils, fats, waxes, greases, lacquers, other solvents, plastics, inks, polishes, and motor spirit. In Example 8 a wax polish is prepared by warming together 1 part by weight each of carnauba wax, paraffin wax, beeswax and 4 parts white spirit, and adding 0À05% to 0À2% by weight of xylene solutions of the pigments prepared by coupling diazotized 2,4- dimethylaniline or aniline with N,N-diethylm-toluidine. In Examples 1-7 xylene solutions of various monoazo pigments of the above formula are used to colour petrol or oil to aid identification.
Patent GB-1127819-A (GB)
Title: Motor control fail safe circuitry
IPC: B60C13/00
Filed: 1966-08-23
Abstract: 1,127,819. Control of D.C. motors; protective arrangements. GENERAL ELECTRIC CO. 23 Aug., 1966 [5 Nov., 1965], No. 37793/66. Headings H2J and H2K. A D.C. motor A, F whose speed is controlled by the conduction period of a thyristor SCR-1 is protected against accidental prolonged conduction of SCR-1 by a circuit comprising an oscillator UJ-1, R, C2, VR the period of which is longer than the normal conduction time of SCR-1, and energized via a line X which is negative only while SCR-1 is conducting, the arrangement being that if the oscillator is able to complete one half cycle before X goes positive a further thyristor SCR-3 is triggered causing the breaking of the main supply circuit by relays RL-2 and RL-1. SCR-1 is commutated by C1 and SCR-2; trigger circuits UJC-1 and UJC-2 employ unijunction transistors.
Patent GB-1321065-A (GB)
Title: Electrophotographic process
IPC: G03G9/08
Filed: 1970-08-06
Abstract: 1321065 Electrophotographic element FUJI PHOTO FILM CO Ltd 6 Aug 1970 [7 Aug 1969] 38041/70 Heading H1K [Also in Division G2] An electrophotographic element comprises a support having a non-transparent organic photoconductive layer which has light scattering portions therein either throughout the layer or near the surface thereof. The light scattering portions may be provided by (a) using a solution of incompatible ingredients to form the layer which on evaporation of the solvent give an opaque film, (b) allowing the solvent to evaporate in such a way that certain ingredients precipitate out first thereby giving an opaque film, (c) forming a "blushed" surface by allowing water vapour to condense on the surface as the solvent evaporates, (d) producing a foamed structure by evaporating a dispersion, (e) using at least one ingredient which will crystallize out, and (f) coating the surface of a photoconductive layer with a solvent and allowing it to evaporate. In the embodiments a solution of polyvinyl carbazole and a polyester or polystyrene in benzene is coated on an aluminized polyethyleneterephthalate sheet and the solvent evaporated to give a opaque layer containing crystallized polyvinyl carbazole. The electrophotographic element so formed was charged, exposed, developed using a toner and then exposed to acetone or methanol vapour. The photoconductive layer turned clear at the toner-deposited areas. In an alternative embodiment a toluene solution of zinc resinate and crystal violet was treated with an acetone solution of polymethylmethacrylate and coated on to a support. The support was dried in a stream of cold moist air to give a "blushed" surface. The element was developed with a toner and heated to give transparent image areas.
Patent GB-1521696-A (GB)
Title: Device for winding-up a yarn
IPC: B65H54/553
Filed: 1975-09-16
Abstract: 1521696 Bobbin cradles; pressing bobbins against drive rollers ATELIERS DE CONSTRUCTIONS BOURGEAS - FOUGEIROL 16 Sept 1975 [16 Sept 1974] 38054/75 Heading D1J A bobbin cradle of the kind comprising a pair of arms 1, 2 between which a wind-up tube 14 is supported by check-plates 12, 13; a body 3 that interconnects the two arms 1, 2; arm 2 being rigid with the body 3 and arm 1 being rockable on the body 3 such that the cheeks can be swung apart to release the tube 14; is characterized in that the arms 1, 2 are rotatable in unison about a fixed axle 9 and that a spring 21 on the axle 9 presses at one end against a flexible bearing 7 carried by the arm 1, the other end of the spring pressing against a plate 22 that has one part extending into a slot 25 in the body 3, the plate 22 having another part that is cam-shaped and presses against a roller 20 carried by a ring 16 that is rigid with the fixed axle 9. Fig. 2 is a plan view of Fig. 1 and shows one embodiment of the cam 22. At the initial stages of a wind-up the cam 22 presents the surfaces AB to the roller 20 and this causes the stirrup to be pressed away from the viewer in Fig. 1 to cause the package to be pressed against its driving drum. When the package has reached a size such that the cam 22 presents the surface BC to the roller 20 the cam 22 exerts a force on the stirrup that tends to move it towards the viewer in Fig. 1 and so reduces the pressure that would otherwise exist between the package and its drive drum. The portion CD corresponds to the release zone and the portion EF acts as a stop. The arm 2 is supported by a flexible bearing 8, the flexible bearings 7, 8 acting as shock absorbers. A friction disc 23 between the flexible bearing 8 and the ring 16 acts as a damper.
Patent GB-1021200-A (GB)
Title: Organotin compounds
IPC: C07F7/22
Filed: 1964-09-18
Abstract: The invention comprises triorganotin triazones of formula <FORM:1021200/C2/1> in which R is an alkyl radical of from 1 to 18 carbon atoms including straight and branched chain configurations, or an aryl or aralkyl radical.  They are prepared by heating cyanuric acid with an organotin oxide or hydroxide, suitably at a temperature sufficient to fuse the reactants, e.g. 100-200 DEG  C., while removing water of formation by application of reduced pressure. Approximately stoichiometric quantities of the reactants are used, i.e. one mole of cyanuric acid for every 3 moles of tri-organotin hydroxide or two moles of cyanuric acid for every 3 moles of bis (tri-organotin) oxide.  In Example 1, 1,3,5-tri-n-butyl-s triazine-2,4,6-(1H,3H,5H)-trione by heating a mixture of 0.3 moles bis (tri-n-butyltin) oxide and 0.2 moles finely powdered cyanuric acid to, eventually, 190 DEG  C. while reducing the pressure to 0.1 mm. to remove residual traces of water and unreacted oxide, and to yield the product as a viscous undistillable oil.  This compound is heat stable at above 320 DEG  C.
Patent GB-1132406-A (GB)
Title: Polypivalolactone yarn
Inventor: SLUIS MAARTEN
IPC: D02G3/02
Filed: 1967-08-21
Abstract: 1,132,406. Producing polypivalolactone yarns. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 21 Aug., 1967, No. 38434/67. Heading B5B. Polypivalolactone filaments having a tenacity of at: least 7 g/den and an elongation at break of not more than 20% may be produced by melt-spinning polypivalolactone having an intrinsic viscosity of not less than 0À75 (measured in trifluoroacetic acid at 25‹ C.), preferably between 2 and 4, through a spinneret having orifices of at least 0À2 mm. diameter, but in particular having orifices of 0À7 to 2À5 mm. diameter, preferably of 1À0 to 1À5 mm. diameter while applying drawdown at a ratio of 50 to 500, preferably of 100 to 300. It is essential that the extruded filaments after having been drawn down, are quenched, i.e. shock-cooled, by means of a liquid medium having a temperature below 100‹ C. The solidified filaments (usually formed into a yarn before or after the quenching step by passing them through a convergence guide) are then annealed at a temperature between 110‹ and 220‹ C., preferably between 140‹ and 180‹ C., without applying stretch. The annealing time is usually at least <SP>1</SP>/ 10 th of a second, e.g. 3-120 minutes, in particular 10 to 30 minutes. The filaments may be allowed to shrink freely or to a certain extent, but are advantageously kept at constant length during annealing. Lastly, the filaments are stretched to 65-95%, preferably to 70-85%, of the elongation at break of the annealed filaments. Thus, if the filaments possess an elongation of 70% (i.e. the filaments or yarn will break when stretched to 1À7 times its original length) it will, upon stretching at a draw ratio of 1À6 : 1, provide a yarn stretched to 85% of the elongation at break of the annealed yarn. Suitable stretch ratios are in the range of 1À1 : 1 to 2 : 1, preferably of 1À4 : 1 to 1À75 : 1. Stretching may be carried out at a temperature from room temperature up to 210‹ C. but is preferably effected at temperatures between 150‹ and 200‹ C. The stretched yarn is subsequently wound up. on known means. The term " polypivalolactone " is defined as a linear polyester consisting essentially of recurring ester structural units having the formula The application of draw down to the. extruded. filaments may be applied to them while they are passing through a zone, e.g., a " hot box" situated immediately next to the spinneret and.. maintained at a temperature between 175‹ and 305‹ C., in particular between 250‹ and 300‹ C. and in which the diameter of the filaments is reduced to a diameter of between <SP>1</SP>/ 7  and <SP>1</SP>/ 20 . of the diameter at which. the filaments. are. extruded. The " hot box " may have a length of 10 to 30 cm. and the quenching zone is preferably not more than 35 cm. below the. hot box.
Patent GB-902071-A (GB)
Title: Improvements in or relating to devices for measuring ignition voltages of gas-filleddischarge tubes
IPC: G01R31/24
Filed: 1958-12-01
Abstract: 902,071. Electric discharge tube testing. PHILIPS ELECTRICAL INDUSTRIES Ltd. Dec. 1, 1958 [Dec. 4, 1957], No. 38668/58. Class 37. In apparatus for testing the ignition voltage of a gas-filled discharge tube 16, a cold cathode gas discharge tube 1 is supplied with anode current over resistances 2, 22, the anode is earthed over capacitance 4, while the trigger is biased from the anode source over resistance 5 and is earthed over capacitance 6. The resultant train of impulses of frequency set by 5, 6 is cathode capacitance coupled to the triggers of a decade counting train of gas-filled discharge tubes 7, 7<SP>1</SP>, 7<SP>11</SP>, &c., the first of which is biased over resistance 11 from potentiometer 9, 10 across the anode supply and the remainder are respectively coupled to the preceding cathodes. The common cathode return develops an incremental voltage increasing by 0.1 v. steps across variable resistance 15 as successive tubes of the chain strike on successive input pulses, and on the last tube striking a relay (not shown) extinguishes all tubes of the train and pulses the first tube of a second decade train (not shown) to develop an incremental voltage increasing by 1 v. steps across variable resistance 23 as successive tubes strike in response to successive counts of ten input pulses. The voltages across 15, 23 are combined with a standing voltage 14 of e.g. 140 volts and applied to the trigger of tube 16 under test whose anode is energized from a variable voltage source. On ignition of 16, a negative anode pulse triggers tube 18 whose anode is energized over resistance 22 to reduce the anode voltages of tube 1 which ceases to generate pulses, so that the ignition voltage is held steady and may be determined from the standing voltage, and numbers of tubes of the counting trains which are ignited.
Patent GB-1329291-A (GB)
Title: Wound drainage equipment
IPC: F04B43/12
Filed: 1970-08-11
Abstract: 1329291 Peristaltic pumps AIR-SHIELDS Inc 11 Aug 1970 [15 Aug 1969] 38723/70 Heading F1F [Also in Division A5] Wound drainage equipment comprises a peristaltic pump formed by a rotary pump element 38 and a guide element 55 which operate on the resilient walls of a drainage tube 70, 70a to propel liquid drained from a wound into a collection bag(74) which is sealed to the drainage tube. The equipment includes means for regulating the vacuum in the drainage tube upstream of the pump, the means comprising a branch tube 79 from the drainage tube 70a communicating with a valve assembly 99. When the pressure in the drainage tube falls below a level determined by the screw adjuster 101, 102 the valve 99 opens to vent the tube to the atmosphere via a filter 98. The pump element 38 comprises a central disc (41) on the circumference of which are rotatable rollers 43, the disc being sandwiched between plates (44, 45) holding the rollers in position. The equipment may also be fitted with means for periodically venting the drainage tube so that gravity will draw the liquid in the tube back into the wound, so back-flushing the tube and removing any particles clogging the end of the tube. The venting means may be a solenoid valve 106 which is activated by a micro-switch, said micro-switch being periodically closed by the cam of a timing motor. The resilient tube (70) on which the pump operates may be heat sealed to the collection bag (74) at one end and to a T piece 71 at the other, the T piece in turn being heat sealed to a drainage tube 70a and a vent tube 79, forming a disposable unit. This disposable unit is loaded into the pump by raising the pump cover 30 which causes the guide element 55 to move away from the pump element 38, giving sufficient clearance between the pump element and guide element to insert the resilient portion of the tube 70. The lid 30 is then closed, causing the guide element 55 to move back towards the pump element so locking the tube in the working position shown in Fig. 4. The collection bag may be hung by loops formed thereon from the frame which supports the pump. An actuating member fitted to the guide element 55 operates on the micro-switch 113 to interrupt the electrical supply to the pump motor should the cover be raised whilst the pump is running.