baber/WOPTO huggingface dataset:
Patent FI-20000397-A (FI)
Inventor: VAEHAELAE MARTTI
IPC: B29C48/15
Filed: 2000-02-21
Abstract: This invention concerns a process for coating a substrate, and an extrusion coating structure. According to the present process, the coating is provided by producing a bimodal polyethylene composition by subjecting ethylene, optionally with hydrogen and/or comonomers to polymerization or copolymerization reactions in a multistage polymerization sequence of successive polymerization stages. The polymerization reactions are carried out in the presence of a single site catalyst capable of forming a composition which comprises a low molecular weight component with an MFR<SUB>2 </SUB>of 20 g/10 min or more and a density higher than the density of the composition, and a high molecular weight component, said composition having a melt flow rate MFR<SUB>2 </SUB>of 5 g/10 min or more and a density of 915-960 kg/m<SUP>3</SUP>. The composition is extruded on the substrate as such or by adding 10 wt-% or less, calculated from the total weight of the coating, of high pressure PE-LD by blending into the extrusion composition or by coextrusion.
Patent FR-1009327-A (FR)
Inventor: PELLAT-FINET JEAN-LOUIS
IPC: B62B11/00
Filed: 1948-06-07
Granted: 1952-05-28
Abstract: 677,075. Double-twist spindle. R.O.B.E. SOC. ANON. May 31, 1949 [June 7, 1948], No. 14549/49. Class 120(ii) The double-twist spindle of this Specification is substantially similar to that described in Specification 662,543. The main differences are (a) that the axes of the cylindrical shoulders 112 and 117 are in alignment as opposed to being parallel, and (b) ball and socket joints 122- 123 and 122a-123a, are provided between pins 121 and 121a and the casing 129 instead of having pins which slide in holes in the casing 129.
Patent GB-1021550-A (GB)
IPC: B60V1/00
Abstract: 1,021,550. Air-cushion vehicles. ENGLISH ELECTRIC CO. Ltd. July 4, 1963 [July 31, 1962; Aug. 31, 1962], Nos. 26498/62 and 29492/62. Heading B7K. In a ground-effect vehicle gaseous jet curtains are provided only along the two sides of a rectangular ground effect cushion, the forward and rear edges of the cushion being sealed by yieldable solid walls. Fig. 4 shows a diagrammatic longitudinal section of the vehicle, the air cushion being closed fore and aft by two-armed' flaps 8 hinged about transverse axes 9 and extending into semi-cylindrical walls 10 so that the air pressure on both arms of the flaps is balanced. The flaps can give way to an obstacle, when the vehicle is close to the ground, and may be each in one piece or in sections capable of pivoting independently; they may be resiliently biased to the neutral position by springs or pneumatic or hydraulic jacks. Air thrust curtains (not shown) are provided along each side of the cushion and a concertina type or corrugated resilient curtain may be arranged outside each air curtain to reduce air losses sideways, Figs. 8 and 9 (not shown). An additional transverse resilient curtain may be provided in the centre of the air cushion, Figs. 6 and 7 (not shown). The air cushion may be modified, Fig. 10 (not shown), by providing two auxiliary longitudinal inner air thrust curtains and two transverse air thrust curtains. Resilient flaps are provided fore-and-aft and also fore-and-aft of each of the transverse air thrust curtains, and concertinatype resilient curtains may be arranged alongside the main longitudinal thrust curtains and alongside the auxiliary longitudinal thrust curtains. The cushion may be used as an undercarriage for an aircraft, Figs. 1-3 (not shown), or as part of a leap vehicle provided with road wheels, Figs. 6 and 7 (not shown). The thrust engines for the air curtains may be pivotable about transverse axles, Figs. 11 and 12 (not shown).
Patent GB-1051460-A (GB)
IPC: G01K1/12
Abstract: 1,051,460. Thermometer casings. NIKON SEIKOSHO KABUSHIKI-KAISHA. Dec.24, 1963 [Dec. 27, 1962], No.50862/63. Heading G1D. A protective tube assembly 5 for use in the measurement of the temperature of a stream of molten metal comprises a small diameter thinwalled protective tubular member 1 closed at one end and made of a refractory material e.g. quartz, a temperature measuring element, e. g. a thermopile 2 within the closed end; and a tubular member 3 of thermally insulating, non combustible material enclosing the greater part of the length of the member 1 but leaving its closed end protruding. A powder of a refractory, thermally insulating material 4 fills the annular space between the members 1, 3 and the assembly 5 is mounted in a support 6.
Patent GB-1054696-A (GB)
IPC: G05B19/33
Abstract: 1,054,696. Electric selective signalling. SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME. Aug. 4, 1964 [Aug. 5, 1963], No. 31510/64. Heading G4H. A system for measuring the relative displacement of two bodies comprises a resolver fed with A.C., which is derived by a dividing network including a binary decade unit from a high frequency source. A pulse is obtained each time the resolver output passes through zero in one direction which effects transfer of the current signal in the binary decade unit to an indicator. The embodiment described employs a resolver comprising cursors formed by two transformers, each of which has secondaries 180 degrees out of phase. The secondaries of the transformers are 90 degrees out of phase. A rule having magnetic markings varies the coupling, so that from the secondaries may be derived a waveform whose phase relative to the input indicates the relative displacement. The dividing network includes two binary decade units and these are gated to indicators by pulses which, by their time within a cycle; represent the relative displacement between adjacent markings on the rule. To indicate the total displacement these pulses, together with further signals from the divider, are passed to a logic arrangement which provides a pulse each time a rule marking is crossed, the pulses being counted in a reversible counter which feeds an indicator.
Patent GB-1229987-A (GB)
IPC: F26B21/00
Filed: 1968-04-25
Abstract: 1,229,987. Drying machines. F. N. H. JOHNSTONE. 25 April, 1968 [1 May, 1967], No. 19635/68. Heading F4G. In a mobile kiln a fan 13 draws air from the drying chamber 5 past a heat exchanger 16, mixes it with fresh air from aperture 10 passes the mixture past further heat exchangers 11, 15 and back into the drying chamber. The heat exchangers are of closed circuit oil or water circulation type. In one embodiment, Fig. 5 (not shown), the air ducts taper towards the fan to permit maximum contact of air with the heat exchangers. The heat exchangers 11, 15 may be within the drying chamber rather than at its ends.
Patent GB-1230260-A (GB)
IPC: C07D457/02
Filed: 1969-08-27
Abstract: 1,230,260. Ergolene derivative. SPOFA UNITED PHARMACEUTICAL WORKS. 27 Aug., 1969 [27 Aug., 1968], No. 42660/69. Heading C2C. Novel D - 6 - methyl - 8 - # - hydroxyethylergolene is prepared by reacting the corresponding 8-chloromethyl or 8-tosyloxymethyl derivatives with an alkali metal cyanide to give the 8 - cyanomethyl derivative which is then converted to the 8 - methoxycarbonyl methyl derivative by methanolysis, which latter derivative is then reduced with a complex metal hydride to give the desired compound. The intermediate cyanomethyl and methoxycarbonylmethyl derivatives may be isolated.
Patent GB-1231152-A (GB)
IPC: F01D17/14
Filed: 1969-03-03
Abstract: 1,231,152. Centrifugal compressors. DRESSER INDUSTRIES Inc. March 3, 1969 [March 11, 1968], No.11256/69. Heading F1C. In a centrifugal compressor comprising an annular diffuser passage 20, Fig. 1, between the impeller 14 and a discharge chamber 13, a wall part 21 is movable to vary the axial width of the diffuser passage. The wall part 21 is connected via four cylindrical posts 23 to a control ring 32 which can be partially rotated in either direction on ball bearings 42 to control the axial position of the wall part 21. Each post 23 is slidably connected to a cam in the form of a helical web 36 extending circumferentially around parts of the ring 32 and having an arcuate slot 37 which receives a stud 26 carrying a pair of washer-like bearing members 38, e.g. of bronze, having bosses (39), Fig.3 (not shown), extending into the slot. The ring 32 is moved by an arm 40, e.g. in accordance with a compressor operating condition. Gas circulation around the back of the wall part 21 is prevented by seal rings 27, 28. Pressure balancing passages 29 are provided through the wall part 21.
Patent GB-1238655-A (GB)
IPC: F25J3/00
Filed: 1967-12-04
Abstract: 1,238,655. Thermal regenerators; cold accumulators. BRITISH OXYGEN CO. Ltd. 4 March, 1969 [4 Dec., 1967], No. 54993/67. Headings F4H and F4K. [Also in Division C7] A packing material for use in cold regenerators working at temperatures below 50‹ K. comprises a mercury alloy of composition -such that it remains solid -even at normal atmospheric temperatures. Suitable alloying elements which can be used are aluminium, barium, calcium, copper, gold, lithium, magnesium, platinum, silver, sodium and uranium. An alloy comprising 99% by wt. of mercury and 1 % by wt. of lithium has a liquidus point of 225‹ C. and a thermal capacity virtually the same as that of pure mercury down to 4‹ K. -The packing material can take the form of pellets, small sections of rod, sections cut or stamped from a rolled sheet of the alloy, or it may be cast into suitable shapes in conventional moulds.
Patent GB-1239559-A (GB)
IPC: F23R3/16
Filed: 1968-02-01
Abstract: 1,239,559. Gas turbine engine combustion equipment. GENERAL MOTORS CORP. Feb. 1, 1968, No. 5298/68. Headings F1G, F1L. A combustion system for a gas turbine engine comprises an annular casing 14 within which is mounted an annular combustion chamber 18 radially spaced from the casing to provide inner and outer annular air passages 22, 20, circumferentially spaced stator vanes 28 mounted across the downstream end of the combustion chamber 18, circumferentially spaced apertures 34 in the combustion chamber 18 adjacent the leading edges 36 of the vanes 28, and short truncated tubes 38 mounted in each aperture 34 so as to direct air from the annular air passages 20, 22 on to the leading edges 36. Compressed air enters the casing 14 through an inlet 17 and is proportional by a deflector 23 between primary air admission passages 19 and the annular air passages 20, 22. A fuel ring 24 mounted inside the deflector 23 includes a number of circumferentially spaced fuel spray nozzles 26. The stator vanes 28 are hollow and have open outer and inner ends 30 and 32 in fluid communication with the annular air passages 20 and 22, respectively. The walls 33 of the vanes have a number of apertures 35 through which air from the passages 20, 22 flows to provide convection cooling of the vanes 28 and a film of cool air adjacent their outer surface. The leading edges 36 of the vanes 28 are impingement cooled by air flowing through the apertures 34. Apertures (not shown) in the combustion chamber radially inner wall admit dilution air to the spaces between the vanes. The particular combustion chamber illustrated is of the progressive burning type so that primary air is admitted through larger apertures 44 and smaller apertures 45 in addition to the primary air admitted through passages 19. Adequate film cooling is provided by air flowing through the slots 42. The combustion system has an axial length of such reduced dimensions as to be applicable to lift type gas turbine engines.
Patent GB-1251232-A (GB)
IPC: C08G75/04
Filed: 1968-10-10
Abstract: 1,251,232. Photocurable compositions. W. R. GRACE & CO. 10 Oct., 1968 [12 Oct., 1967], No. 48122/68. Headings C3P and C3R. [Also in Division G2] A photocurable composition comprises (1) a polyene containing at least 2 unsaturated carbon-to-carbon bonds per molecule and (2) a polythiol containing at least 2 thiol groups per molecule, the total combined functionality of the composition i.e. the number of unsaturated carbon-to-carbon bonds per molecule plus the number of thiol groups per molecule being greater than 4. A number of such compositions are disclosed in U.K. Specification 1,215,591. In specific Examples, the polyene is derived from (a) a polyurethane prepolymer and allyl alcohol, (b) a polyether, polyisocyanate and allyl alcohol in a single stage, (c) a polyether or polyester and allyl isocyanate, (d) a polyether, polyisocyanate and allyl isocyanate or maybe a styrene-butadiene rubber. The polythiol may be pentaerythritol tetrakis (#-mercaptopropionate), ethylene glycol bis(#-mercaptopropionate) or trimethylolpropane tris- (beta-mercaptopropionate). The compositions may be used in image reproduction processes (see Division G2).
Patent GB-1253006-A (GB)
IPC: C22C38/28
Filed: 1970-02-12
Abstract: 1,253,006. Iron based alloys. CENTRE NATIONAL DE RECHERCHES METALLURGIQUES and CENTRE D'ETUDE DE L'ENERGIE NUCLEAIRE. Feb. 12, 1970 [Feb.14, 1969, No. 6877 /70. Heading C7A. An alloy contains a percent by weight: Cr 13-25 Ti 2-7 Fe balance Also present may be C 0-0.005 Al 0-6 V 2-7 Si 2-7 Mo 0-3 Rare earth 0-0.5 each. The alloy may be precipitation hardened by heating e. g. above 1000‹ C., and the 20-60% hot worked. The alloy maybe used in the construction of nuclear reactors.
Patent GB-1257695-A (GB)
IPC: F16F15/173
Filed: 1969-08-06
Abstract: 1,257,695. Torsional vibration damper. CSEPEL AUTOGYAR. 6 Aug., 1969 [6 Aug., 1968], No. 39366/69. Heading F2S. A torsional vibration damper of the type comprising an annular housing 1 containing a viscously damped concentric oscillating ring 2 is automatically adjustable to compensate for changes in viscosity with temperature. The ring is surrounded by a liquid film, e.g. of silicon oil and is formed in two identical annular halves, with a thermally expandible insert 4 acting between them, so that, as the temperature rises , the halves are forced apart narrowing the gap 6. The insert may be placed in bores, preferably three, in the ring. It may be made of a plastics material having a high coefficient of expansion, or may be in the form of a resilient closed container filled with a plastics material or suitable liquid. The damping effect may vary in a controlled way, or be made constant with temperature.
Patent GB-1264346-A (GB)
IPC: D01D4/02
Filed: 1969-08-20
Abstract: 1,264,346. Spinneret and spinning head assembly. CTA-COMPAGNIE INDUSTRIELLE DE TEXTILES INDUSTRIELS ET SYNTHETIQUES. 20 Aug., 1969 [21 Aug., 1968], No.41610/69. 'Heading B5B. A spinneret comprises a metal sheet which has a regularly curved surface, a perforated inner zone and an imperforate peripheral zone providing a surface for mounting the spinneret in liquid sealtight manner in a spinning head, the peripheral zone being on the same curved surface as the inner zone. As shown in Fig. 1, the extrusion head comprises a hollow body 1 connected to a conduit for feeding a material 2 to be spun and provided with a rectangular aperture 160 mm. long and 46 mm. wide disposed symmetrically with respect to the axis of the feed conduit. A locking plate 4 and a cover 5, both having a rectangular aperture 52 mm. wide at the level of the spinneret are held against the aperture of the spinning head by means of bolts 3 parallel to the longitudinal plane of symmetry of the spinneret 6. A distributer in the form of a flat rectangular slotted plate 7 is disposed between the hollow body 1 and the locking plate 4. The spinneret is especially useful in the web-spinning of polyacrylonitrile filaments.
Patent GB-1265282-A (GB)
IPC: G02B5/22
Filed: 1970-06-29
Abstract: 1,265,282. Optical filters. PILKINGTON BROS. Ltd. Jan.29, 1970 [Jan.30, 1969], No.4428/70. Heading G2J. [Also in Division G1 An optical filter comprises upon or within a support which is transparent to at least a part of the spectrum an optical filtering material comprising one or more chemical compounds which, in the solid state, undergo a reversible phase transition as a function of temperature between one phase exhibiting the properties of a non-metallic state (defined) and another phase exhibiting properties of a metallic state (defined), together with an associated variation of the reflectivity and absorbtion coefficient. The compound or at least one of the compounds is a compound of a transition element which exhibits the properties of a semiconductor below the transition temperature and the properties of a metal above that temperature. The compound(s) may be applied to a transparent substrate (e.g. quartz, glass or a plastics) as a coating; or it may be formed as a dispersion of crystallite of size less than the wavelength of light to be filtered in a transparent material which may be the substrate itself or form a coating on the substrate. Two or more compounds may be mixed together. To increase the filtering property a supplementary filtering layer may be applied over the main filter. This layer should be formed from a substance having a refractive index equal to the square root of the refractive index of the main filter in its maximum transmission period. Suitable compounds are VO, VO 2 , V 2 O 3 , Ti 2 O 3 , NiS, V 4 O 7 , V 6 O 13 , Ag 2 S, LaCoO 3 , LiVO 2  and solid solutions of VO 2  and MoO 2  . The heating effect may be due to infrared in the light passing the filter, or the filter may incorporate a network of heating resistances.
Patent GB-1266990-A (GB)
IPC: A61K9/00
Filed: 1970-10-13
Abstract: 1,266,990. Dermal vaccines. TASMAN VACCINE LABORATORY Ltd. 13 Oct., 1970, No. 48567/70. Heading A5B. A dermal vaccine for veterinary use comprises a living virus in a stable gel which has a viscosity between 5 and 200 centipoises at 20‹C. The gel may be methyl cellulose. The vaccine may be packed in a tube of soft tin with a scratch point attached to the discharge orifice.
Patent GB-1289860-A (GB)
Inventor: CABESTANY J A
IPC: C08G12/40
Filed: 1969-12-30
Abstract: 1289860 Quaternized aminotriazine-glyoxal resins NOBEL HOECHST CHIMIE 30 Dec 1969 [30 Dec 1968] 63350/69 Heading C3R [Also in Division D2]  A water-soluble resin is prepared by condensing at pH 5-8 below 100 C. an aminotriazine with glyoxal or a mixture of glyoxal and formaldehyde, in a ratio of 1-6 mols. of glyoxal or glyoxal and formaldehyde per mol. of triazine, and quaternizing the product with 0À2-0À5 mols. of quaternizing agent per mol. of triazine. Suitable quaternizing agents are dimethyl sulphate, alkyl halides and arylsulphonic acid esters. In the examples melamine is condensed with glyoxal and 44% formalin, then quaternized with Me 2 SO 4 , the molar ratios being 1 : 4 : 0 : 0À5, 1 : 3 : 2 : 0À5 and 1 : 3 : 3 : 0À5. The products are diluted to 40 or 50% solids, and are used to give wet strength to paper by incorporation into the pulp. They are obtainable as stable powders by evaporation.
Patent GB-1289942-A (GB)
IPC: H01P1/195
Filed: 1971-04-19
Abstract: 1289942 Non-reciprocal phase shifters WESTERN ELECTRIC CO Inc 19 April 1971 [12 June 1970] 23367/71 Heading H1W A loaded line, reciprocal phase shifter emloying ferrite material for shifting the phase of microwave signals propagated along a main waveguide 1 includes two identical waveguide stubs 4 and 5, each coupled to the waveguide 1 by a rectangular coupling slot 6 and spaced apart along the waveguide by approximately #/4 at the operating frequency, such that the stubs are energized in quadrature by the microwave signals, each stub being terminated by a shorting plate 10 and housing a pair of toroids 7 and 8 of ferrite material with their central openings facing the coupling slot, together with means for providing a magnetizing current for the toroids of each stub, and means for alternately switching the two toroids of each stub between two states of magnetization. An energizing circuit is disclosed (Fig. 2, not shown) which, by operation of a switch, reverses the sense of the magnetizing current in lead 18 but leaves it unchanged in lead 19, whereby to change the magnetization of the toroid pair from the antisymmetrical regime shown in Fig. 3 to the symmetrical regime (Fig. 4, not shown), a ganged switch simultaneously producing the same charge in the toroid pair of the other stub. The interior of the toroids, and the remaining free space within the stubs, may be filled with a plastics dielectric material 9.
Patent GB-1294996-A (GB)
IPC: G10H1/22
Filed: 1970-01-19
Abstract: 1294996 Transistor tone gating circuits MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 19 Jan 1970 [18 Jan 1969 (2)] 2576/70 Heading H3T [Also in Division G5] A signal selecting system is so arranged that, however, many switches 20-24 are closed, provided that switch 80 is also closed, one only of the gates 6-10 is opened to pass a signal to the output from the corresponding control terminal 152-156. Switches 20-24 are connected to the keyboard of an electronic musical instrument and depression of pedal 81 ensures that the tone corresponding to either the highest or lowest frequency is passed to the output if frequency generators f1-f5 are in progressive order. Transistors 29a-33a are normally conductive, but when any of keys 20-24 are closed, as well as key 80, the transistor corresponding to the uppermost key, and all those between it and the resistor 79 are cut off, and of the normally non-conductive transistors 29b-33b only the one whose emitter is connected to the base of the uppermost non-conducting transistor 29a-33a conducts, producing a switching voltage fed via one of diodes 39-43 to open one of the gates 152-156. Supply 96 is provided to make the switching action more reliable. The gate circuit, Fig. 3 (not shown), includes 3 transistors (128-130) for 4<SP>1</SP> ,  8<SP>1</SP> ,  16<SP>1</SP> tones, with separate inputs and outputs, and with bases connected together and to the control input (153). The input signal also charges capacitor (105) via a resistor (134b) giving a rise time to the gate, and the capacitor discharges via a series chain of resistors (134a, 134b) and transistor (110) whose base is connected to a variable supply to give controlled sustaining of tones transmitted through the gate. Whenever any one or more keys 20-24 are depressed, the current increase in resistor 82 gives rise to a signal which when amplified and differentiated triggers a monostable multivibrator 92, 98 to open transistor 100 for a short time, thus saturating transistor (110), Fig. 3 (not shown), and switching off all gates. When any key 20-24 is released, negative going pulses are fed via one of diodes 44-48 to a similar circuit to cause transistor 28 to be switched off for a short time interval, thus clearing the circuit. The switch 80 may be in series with the transistor 28. The switching may be performed by contacts. The signal from the output is fed via tone colour circuits (11), and amplifier (12) to a loud-speaker (13), Fig. 1 (not shown).
Patent GB-1295247-A (GB)
IPC: F16H37/12
Filed: 1969-01-11
Abstract: 1295247 Converting rotary motion to oscillatory motion J. G. BROWN 24 Feb 1970 [11 Jan 1969] 1780/69 Headings F2K and F2Q Rotation of an input shaft 16 is converted into oscillation of an output shaft 26 by mechanism comprising a slide 20 having a generally elliptical aperture 19 which is engaged by an elliptical eccentric member 11 secured to input shaft 10, so that rotation of shaft 10 causes reciprocation of the slide 20, and a pinion 25 on shaft 26 engaging a rack 24 disposed in a recess 23 in slide 20. The slide 20 is located in a guide 21 which is clamped to a casing base 14 by side pieces 22. The mechanism may be driven from an electric motor or manually driven through bevel gearing 52 on rotation of a hand-wheel 53. It may be used for valve grinding or used to drive a windscreen wiper. Oscillating drive may be taken from the slide member 20.