baber/WOPTO huggingface dataset:
Patent GB-1205014-A (GB)
Title: Improvements in or relating to directional aerial systems
Inventor: BOLWELL DAVID WILLIAM
IPC: H01Q19/02
Filed: 1966-10-04
Abstract: 1,205,014. Aerials. GENERAL ELECTRIC and ENGLISH ELECTRIC COMPANIES Ltd. 3 Oct., 1967 [4 Oct., 1966], No. 44243/66. Heading H4A. In a directional aerial system comprising a primary radiating element 5, Fig. 1, and a reflecting surface 2, the edge of the said reflecting surface is provided with an indented outline, with the object of reducing unwanted backwardly directed radiation. As described, the primary element 5 is an open-ended section of rectangular waveguide which is axially located at the focus of the paraboloidal surface 2 of a dish reflector 1. It is supported from the reflector by struts 6, and is fed by a waveguide 7. The reflector has a matching vertex plate 8, and is carried on a framework 9 having members 10 for attachment to a tower. Around the rim of the reflector are provided rectangular plates 11, each of which may be of length X (# = operating wavelength) and be spaced by a distance from the next, so that the composite reflector has a crenellated outline. For an aerial as shown, with a focal plane aperture, the projection of the plates 11 from the rim of the reflector 2 is made equal to #/(2#2), so that radiation passing in a backwards direction over the tops of the plates is substantially in antiphase with radiation passing in a backwards direction over the portions of rim between the plates. The plates may be individually fixed to the reflector, or they may be combined in groups formed on arcuate plates (Fig. 3, not shown). The primary element 5 may be a launching unit capable of transmitting and receiving waves which are orthogonally polarized with respect to each other, and having another feeder waveguide in addition to the feeder waveguide 7. In a radio repeater station, two aerial systems (19), (20), Fig. 4 (not shown), of the kind described are mounted back-to-back on a tower 18. Feeder waveguides (7A), (7B) connect the aerial systems to an apparatus (21) for effecting amplification and frequency translation. For two-way communication the feeder waveguides (7A), (7B) and the apparatus (21) are duplicated, and it is stated that the same frequency may be used for reception for both directions, because of the low pick-up of unwanted radiation by the aerial systems.
Patent GB-1144234-A (GB)
Title: Monoazo pigment and preparation thereof
IPC: C09B29/20
Filed: 1966-10-04
Abstract: 1,144,234. Melamine-formaldehyde based textile ink. STERLING DRUG Inc. 4 Oct., 1966 [14 Oct., 1965], No. 44357/66. Heading C3R. [Also in Division C4] The pigment of the formula is incorporated into a textile ink containing modified butylated melamine - formaldehyde resin, xylene, aromatic petroleum solvent, 2- ethylhexanol, ethylcellulose, triethylamine, and styrene-butadiene alkyd latex.
Patent GB-1129949-A (GB)
Title: Method of and apparatus for working patterns having lapping in the same and opposite directions on a raschel machine
IPC: D04B23/00
Filed: 1967-09-29
Abstract: 1,129,949. Knitting-machines. KARL MAYER TEXTIL-MASCHINENFABRIK G.m.b.H. 29 Sept., 1967 [13 Oct., 1966], No. 44420/67. Heading D1C. Prior to the ground yarn guides 2 receiving an overlap movement on a Raschel machine they are given a movement in the opposite direction during which the fall plate 3 is lowered to deflect the fall plate yarns 5a beneath the latches. Thus when the ground yarn guides perform their overlap movement the fall plate is already positioned below the latches. Such movement enables lapping in both directions to be achieved without reduction of speed of the machine.
Patent GB-1095977-A (GB)
Title: Methods of measuring phosphite contents
IPC: G01N31/22
Filed: 1965-10-21
Abstract: Phosphites may be determined in solution in the presence of hypophosphites by mixing with an acidic solution containing a non-oxidising, non-reducing acid and an oxi-anion with a central metal atom capable of forming a heteropoly acid with phosphites, adding a reducing agent which reacts more readily with hypophosphite than with phosphite, whereby a coloured solution is formed, and measuring the colour intensity.  Sufficient acid to prevent hypophosphite interference should be present.  Specified anions are tungstate, chromate, vanadate and, as exemplified, molybdate. Specified reducing agents are ascorbic acid, isoascrobic acid, hydroquinone and p-methylaminophonol sulphate. The acid solution is generally above 4N, and sulphuric acid is specified.
Patent GB-1342977-A (GB)
Title: Process for preparing attrition resistant zeolitc particles
IPC: C01B39/20
Filed: 1971-09-24
Abstract: 1342977 Attrition resistant zeolites W R GRACE & CO 24 Sept 1971 [24 Sept 1970] 44725/71 Heading C1A Attrition resistant zeolites having particle size in the range 50-200 Á are prepared by, (a) subdividing and dehydrating, e.g. spraydrying, a slurry of SiO 2  and Al 2 O 3  to solids of size 50-200 Á, (b) mixing the particles with a solution of sodium hydroxide or silicate, with or subsequently, as nucleation centres, particles of a zeolite which are amorphous to X-rays and have an average size below 0À1 Á, e.g. down to 0À05 Á, and then (c) hydrothermally crystallizing the reaction mixture at a temperature of 80-120‹ C. A slurry of clay, SiO 2 - Al 2 O 3  gel, or a cracking catalyst containing 10-40% by wt. Al 2 O 3  may be used. The zeolite may be a faujasite having a SiO 2 /Al 2 O 3  mol. ratio > 3, and a surface area of 230-929 m<SP>2</SP>/g, a pore size of 5-15Š and an attrition index < 40. The nucleation centre may have a SiO 2 /Al 2 O 3  ratio of 2À3-2À7. The zeolite product may be R.E. exchanged to 3% Na.
Patent GB-1083331-A (GB)
Title: Plate cylinders for printing machines
Inventor: STOTT ALFRED BENTLEY
IPC: B41F27/12
Filed: 1962-11-27
Abstract: 1,083,331. Plate cylinders. DAWSON, PAYNE & ELLIOTT Ltd. Feb. 27, 1964 [Nov. 27, 1962], No. 44754/62. Heading B6C. In a plate cylinder adapted to accommodate a plurality of printing plates side-by-side across the width of the cylinder, the means for accommodating the plates 1 comprises two or more pairs of longitudinally extending, circumferentially spaced plate securing bars or members having means for attaching a plurality of plates thereto, said bars or members including means for effecting lateral and circumferential adjustment of the plates relative to each other and to the cylinder. Each plate is held at its ends by securing clamps 3 each of which comprises upper and lower bars 4, 5 attached to the cylinder through location blocks 9 screwed thereto. The clamping bars 4 and 5, which incorporate pins for engagement with the perforated ends of the plate, have spaced cutouts 6, 7 corresponding to the blocks 9, the cut-outs in the bars 4 being open-sided whilst those in the bars 5 are enclosed. The blocks 9 include means for effecting circumferential and lateral adjustment of the plates, such means comprising plate tensioning screws 10 housed in the blocks 9 which screws each carry a tension nut 12 whose upper end projects through the cut-outs 6 in the clamp bars 4, 5. The nut 12 houses means for lateral adjustment of the plates, said means comprising an adjustment screw 14 engaging a screw-threaded bore in the nut 12. The screws 14 are arranged in alternate cut-outs at the plate edges.
Patent GB-1441438-A (GB)
Title: Construction method and roof so made
IPC: E04D5/12
Filed: 1973-09-25
Abstract: 1441438 Roof cladding INTERNATIONELLA SIPOREX AB 25 Sept 1973 [27 Sept 1972] 44889/73 Heading E1W An outer cladding layer is secured over a portion of a building support surface, which is formed by one or more concrete elements, by applying an adhesive to at least part of the concrete surface of which said at least part has been rendered hydrophobic and then applying the outer layer to the adhesive. In a roof construction prefabricated aerated concrete slabs with chamfered upper edges are positioned in adjacent abutting relationship and have been previously impregnated with alkyl siliconates, metal soaps, natural resins or mineral oil or paraffin emulsions on their outer surfaces and chamfered edges to bind the surface so that the in situ applied adhesive e.g. hot asphalt directly bonds the outer layer. A perforated underlay of roofing felt may be laid over the concrete surface and hot asphalt poured over it. The concrete elements may be provided with tongues and grooves along opposite longitudinal edges.
Patent GB-1058776-A (GB)
Title: Improvements in, or relating to, fluid-flow control valves
IPC: F23Q2/52
Filed: 1963-11-14
Abstract: 1,058,776. Fluid flow control valves. MANSEI KOGYO KABUSHIKI KAISHA. Nov. 14, 1963 [June 4. 1963]. No. 44942/63. Heading F4F. A fluid flow control valve for refuelling a pyrophoric liquefied gas lighter comprises a tubular body 1 which is detachably assembled in a wall of the fuel reservoir and which has an exhaust port 5 therein for residual gas and/or air in the reservoir, a tubular guide post 3 having a fuel passage 2 therein, and a sealing ring 4 frictionally slidable along the post 3, and urged by a spring 6 against an internal shoulder on the body to close both the fuel passage 2 and the exhaust port 5. The sealing ring 4 is pressed down by the nozzle A of a fuel supply cartridge (not shown) to admit liquefied fuel through the passage 2 into the reservoir, and at the same time to allow the escape of residual gas and/or air from the reservoir through the exhaust port 5.
Patent GB-1130365-A (GB)
Title: Improvements in or relating to arrangements for the automatic selection of fluid pressure signals
Inventor: TOPFER HEINZ
IPC: F15C3/04
Filed: 1965-10-25
Abstract: 1,130,365. Valves. DEUTSCHE AKADEMIE der WISSENSCHAFTEN ZU BERLIN. 25 Oct., 1965, No. 45083/65. Heading F2V. [Also in Division G3] A device for selecting a maximum or minimum fluid pressure signal from a plurality of signals or for processing fluid input signals according to an AND or an OR relationship comprises diaphragms 2 carrying abutments 3, 4, 5 and forming chambers 6, 7, 8 connected to fluid pressure inputs 9, 10, 11. The device shown provides an output 15 proportional to the maximum signal of 9, 10 and 11, If 10 is the highest pressure signal, the abutment 4 contacts the lowest diaphragm and moves the abutment 5 to throttle the leak through a nozzle 12 until the output pressure acting on the lowest diaphragm balances the signal 10. The device may be used as an OR device. The device illustrated in Fig. 2 (not shown), has two sets of abutments (18), (19), (20) and (21), (22), (23) to provide an output representative of the minimum signal or provides an AND device.
Patent GB-1287782-A (GB)
Title: Fibrinolytic assay system
IPC: G01N33/49
Filed: 1969-09-16
Abstract: 1287782 Determination of fibrinolytic activity in plasma BAXTER LABORATORIES Inc 16 Sept 1969 [2 Oct 1968] 45580 69 Heading B1X An agarose plate for the quantitative determination of fibrinolytic acivity in blood plasma and plasma fractions comprises a plate carrying an agarose gel medium containing clotted fibrinogen. The gel medium may be prepared by dissolving 1% to 10% gelling agent in a heated buffer solution, for example 0.154M sodium chloride, 0.04M imidazole, 0.02M EDTA, and mixing with fibrinogen. The plate carrying the solidified gel can be dipped into a thrombin solution to clot the fibrinogen, then wells may be punched in the gel to take the test sample and the gel protected with a plastics membrane and packed in plastics film or metal foil, optionally with control samples, buffers, capillary tubes. Other gel media comprise gelatin, pectin, silica gel, starch, agar, algin, carageenin, cross-linked polyacrylamide. A method of quantitatively determining fibrinolytic activity in blood plasma or a plasma fraction comprise reacting a component or components of the fibrinolytic system which component(s) include(s) clotted fibrinogen and is/are suspended in a gel medium with a given volume of the test sample for a predetermined period of time to produce a clear radial diffusion zone of reaction product, measuring the diameter of the clear zone and comparing the measurement with measurements obtained with control samples of known fibrinolytic activity. Examples relate to determination of total plasminogen, when a streptokinase-activated fraction of a test plasma sample is diffused into a gel containing clotted fibrinogen; of available plasmin, when a streptokinase-activated plasma sample is used; of active plasmin, using the plasma sample diluted with buffer; and of plasminogen activator, when the gel plate contains both clotted fibrinogen and a predetermined amount of plasminogen.
Patent GB-1321660-A (GB)
Title: Mounting of rotatable punching or cutting dies or rotatable mating segments for such dies
IPC: B26F1/44
Filed: 1970-09-24
Abstract: 1321660 Cutting apparatus; moulding packings therefor WINKLER & DUNNEBIER MASCHINENFABRIK UND EISENGIESSEREI KG 24 Sept 1970 [25 Sept 1969] 45585/70 Headings B4B and B5A A rotatable element i.e. a cutting die 2 or segment 7 for co-operation with such die comprises a part-cylindrical operative face 5 or 10 and a packing secured to the underside of the element so as to locate the operative face with respect to the surface of a supporting cylinder 1 or 9, the packing being formed by a curable synthetic resin. In the known construction of cutting-out apparatus shown in Fig. 1, the die 2 and back-up segment 7 are held on the respective cylinders 1, 9 by screws 3, 8 without the interposition of the packing (15, 16) Figs. 3 and 6 (not shown); resilient segments 11 are secured to the cylinder 9. In order to attach the packing to an element e.g. a die 2 the latter is first attached by adhesive tape 41, Fig. 10 to discs 33 adjustably mounted on a mandrel 32, the diameter D<SP>1</SP> of the disc being twice the radius (R<SP>1</SP>), Fig. 3 (not shown), of the die. The die, together with the mandrel is then placed on abutments 26, Fig. 8, forming part of a jig, the abutments having been first coated with a settable material e.g. plaster of Paris; the ends of the mandrel are located in V-blocks 21 mounted on a base-plate 20 of the jig. After the plaster has set, the tape 41 is cut so that the mandrel can be removed leaving the die secured to the abutments 26. Adjustable spring-loaded cover-plates 29 are then moved against the ends of the die and clamped in position. The upwardly-facing underside of the die is then coated with a synthetic resin mixed with a hardener and immediately thereafter, a mandrel 35 is placed in the V-blocks. The mandrel 35 whose diameter equals twice the radius R of the die (i.e. the same diameter as the supporting cylinder 1, Fig. 1) is coated with a parting medium to force the excess resin from the open sides of the die. When the resin is set the die is removed and the excess resin cut away so that the die is then ready for its cutting edges to be ground. When the die is again required to be sharpened, the mandrel 35 is raised in the V-blocks by shims (43) Fig. 12 (not shown) in order to allow for a greater thickness of resin.
Patent GB-1087036-A (GB)
Title: Shaped article of synthetic resin having mechanically disordered orientation
IPC: B29C48/00
Filed: 1964-11-11
Abstract: 1,087,036. Films; moulding thermoplastic material. UBE-NITTO KASEI CO. Ltd. Nov. 11, 1964 [April 6, 1964], No. 45964/64. Headings B5A and B5B. [Also in Division D1] An elongated shaped article is made by meltextrusion of a blend of at least two different kinds of thermoplastic synthetic resins, followed by longitudinal stretching, thereby orienting the article in the extrusion direction, followed by a mechanical treatment so as partly to disorder the orientation. Blends specified include (1) 20-15% polyethylene and 80-85% isotactic polypropylene, (2) 20-15% isotactic polypropylene and 80-85% polyethylene, (vide Example 1), (3) 75% high density polyethylene and 25% of a polyamide (vide Example 2), (4) 50% high density polyethylene, 35% isotactic polypropylene and 15% polyethylene terephthalate (vide Example 3). Melt extrusion may be so as to form a sheet, film, band, tape or monofilament or structure of T-shaped crosssection (vide Example 2). Mechanical treatment may comprise pressing between grooved rollers, or between gears, or beating with hammers, but is preferably effected by compression by at least one pair of rollers having indentations in their surfaces. A pair of rollers having spiral-shaped indentations in two mutually crossing directions (Figs. 2 and 3, not shown) may be used to produce a biaxially oriented band having a multitude of convex and concave patterns on its surface, which is useful in packaging. As shown in Fig. 1a, a molten polymeric blend contained in a cylinder 2 of an extruder 1 is forced through a die 3 having a plurality of nozzles. The extruded bands b pass under a guide roller 5 in a cooling bath 4. The cooled bands pass from the bath 4 over and around nip rolls 6, and at an appropriate distance from the nip rolls there are positioned stretching rolls 7. Between these two pairs of rolls 6 and 7, a heating apparatus 8 having a circulation of hot air, steam or the like heats the bands so that they are molecularly oriented in the direction of extrusion and stretching. The bands then pass between a pair of compression rollers 9 to a wind-up roll 10. Each of the two compression rollers 9 has two sets of helical indentations on its surfaces (as in Fig. 2, not reproduced), in two different directions, the cross-section of the indentations being trapezoid. As the helical pitches of the indentations of the two rollers are not identical, the parts of the bands which have been contacted by the convex parts of the two rollers are subjected to the strongest compression, thereby forming convex and concave patterns of random arrangement. Preferably, the compression pressure upon the bands is 5 kg. per sq. mm., the velocity of passage is in the range of from 40 m. per min. to 150 m. per min., and the degree of stretch is in the range of from 15 to 100%, most preferably about 20%.
Patent GB-1162147-A (GB)
Title: Improvements relating to Fusible Interlinings
IPC: D04H1/68
Filed: 1966-10-14
Abstract: 1,162,147. Laminated textile materials. CARL FREUDENBERG. 14 Oct., 1966 [16 Oct., 1965], No. 46021/66. Heading B5N. [Also in Division B2] A laminate comprises a textile fabric adhered under heat and pressure to a fusible interlining which comprises a textile sheet material having on at least one surface a coating of discrete spots of foamed thermoplastic binder substantially entirely on the surface only of the material. The interlining may be made by applying spots of a foamed or heat-foamable paste of the binder to the surface of the material without substantial penetration of the binder into the material and then heating in order to foam the binder, if the binder was foamable before the heating and in order to cure the binder. Foamed paste or unfoamed paste containing a blowing agent may be printed on to the material. The binder may be polyvinyl chloride, polyethylene, polyurethane, polypropylene, or a low-molecular weight linear polyester. The sheet material may be a woven, knitted or non-woven fabric of any suitable material such as polyamide, e.g. a fleece impregnated with a rubber latex, or a polyacrylic binder, generally in foam form. The discrete spots may be applied to both surfaces of the sheet material.
Patent GB-1044947-A (GB)
Title: Improvements in or relating to magnetic transducing or erasing heads
Inventor: DYER ROBERT BERKELEY
IPC: G11B5/147
Filed: 1961-12-23
Abstract: 1,044,947. Making magnetic recording &c. heads. ELECTRIC & MUSICAL INDUSTRIES Ltd. Dec. 21, 1962 [Dec. 23, 1961], No. 46140/61. Heading G5R. A multi-track head is manufactured by aligning stacks of laminations in a jig and winding coils around parts of the stacks so that on removal from the jig the laminations are maintained in alignment by the coil. In a two-track head each polepiece assembly 1 and 2 comprises stacks of magnetizable laminations 3 and 4, screening members 13 and spacers 9-12. The laminations are first stacked in a jig (not shown), and coils 30-33 are wound in position. End members 7 and 8 are clamped to the outermost laminations by screws 15 extending throughout the stack and the two assemblies 1 and 2 are clamped together by screws 15a.
Patent GB-1031742-A (GB)
Title: Diacyl peroxides and their use in polymerization
IPC: C08F2/00
Filed: 1962-12-06
Abstract: The invention comprises diacyl peroxides of the formula <FORM:1031742/C2/1> wherein R1 represents an alkyl, cycloalkyl, alkanyl or aralkyl radical and R2 represents hydrogen or a C1 to C6 alkyl radical, and a process for the preparation thereof by reacting an acyl halide of the formula <FORM:1031742/C2/2> wherein X represents a halogen atom, with an alkali or alkaline earth metal peroxide at -40 DEG  to +50 DEG  C.  In a preferred process a solution of the acyl halide in an aliphatic, cycloaliphatic or aromatic solvent is gradually added to a solution of the peroxide in water, a water-soluble alcohol or mixture thereof.  The compounds of the invention may be employed to catalyse the polymerization of ethylenically unsaturated polymerizable compounds.ALSO:Ethylenically unsaturated polymerizable compounds containing a CH2=C< group are polymerized at a pressure from atmospheric pressure to 3000 atmospheres and at 50 DEG  to 250 DEG  C. in the presence of a diacyl peroxide of the formula <FORM:1031742/C3/1> wherein R1 represents an alkyl, cycloalkyl, alkanyl or aralkyl radical and R2 represents hydrogen or a C1 to C6 alkyl radical.  The catalyst concentration is generally 5 to 500 p.p.m.  Chain-transfer agents, e.g. hydrogen, propane, chlorinated hydrocarbons or mercaptans, and catalyst activators, i.e. sulphite, aromatic amines, sulphur trioxide and dimethylaniline, may also be employed.  Examples relate to the polymerization of ethylene, methylmethacrylate and styrene.  Other specified monomers are propylene, butene, decene, acrylic acid, acrylonitrile, butadiene, isoprene, vinylidene, chloride and vinyl chloride.