baber/WOPTO huggingface dataset:
Patent GB-1465153-A (GB)
Title: Method of measuring the natural rate of densification of a sinterable material
IPC: C04B35/10
Filed: 1974-02-11
Abstract: 1465153 Measuring the natural rate of densification BABCOCK & WILCOX CO 11 Feb 1974 [9 Nov 1973] 38253/76 Divided out of 1465152 Heading C1A A method of measuring the natural rate of densification of a sinterable material comprises a first stage of (A) applying a first pressure and a first heating rate to a first batch of a degassed sinterable material, to begin sintering of the batch, applying an increased second pressure and a second lower heating rate to the first batch to effect maximum densification, under the particular conditions of increased pressure and second lower heating rate applied, of the material, releasing the pressure and cooling the material prior to bloating and finally recording the density of the sintered first batch, a second stage of (B) applying the first physical pressure and the first heating rate to a second batch of the degassed sinterable material, applying an increased third pressure and a third lower heating rate to the batch to effect maximum densiflcation, under the particular conditions of increased pressure and the third lower heating rate applied, of the material, releasing the pressure and cooling the material prior to bloating and finally recording the density of the sintered second batch and in subsequent stages if necessary the same procedure is employed but the value of the increased physical pressure and of the lower heating rate in the second part of the procedure is altered, to identify which of the densities of the sintered batches is closest to the theoretical maximum density of the material, thereby to approximately identify the natural rate of densification of the material. The use of the method is described in connection with the production of alumina (see also Specification 1,430,144).
Patent GB-1314647-A (GB)
Title: Sodium caseinate-containing product and method for manufacturing
IPC: A23L1/00
Filed: 1971-08-16
Abstract: 1314647 Sodium caseinate product FOREMOST-McKESSON Inc 16 Aug 1971 [18 Aug 1970] 38305/71 Heading A2B An instantized dry sodium caseinate product consists of particles containing 40 to 95% by weight of sodium caseinate, 5 to 60% by weight of a water-soluble saccharide and 0.2 to 2.0% by weight of a surfactant, the particles being bonded together to form porous aggregates, a large portion of the saccharide and surfactant forming a uniform coating over the sodium caseinate particles, the product being characterised by a high wettability and ability to readily disperse in water by simple stirring to form a stable dispersion. The surfactant may be lecithin, polyoxyethylene sorbitan esters of fatty acids, mono- and di-glycerides, and combinations thereof. The saccharide may be corn syrup solids, or mono-, di- and poly-saccharides. The product may be prepared by dry blending caseinate and saccharide powders and subjecting this blend to a moist atmosphere containing a dispersed surfactant, so that the saccharide dissolves and the caseinate particles become sticky and adhere together as moist aggregates with saccharide and surfactant incorporated thereon, and finally removing excess moisture from the aggregates.
Patent GB-1155751-A (GB)
Title: Electric Thermal Storage Heaters
Inventor: REEVES FREDERICK ERNEST
IPC: F24H9/20
Filed: 1965-09-08
Abstract: 1,155,751. Thermal storage heaters. REVO ELECTRIC CO. Ltd. 22 Aug., 1966 [8 Sept., 1965], No. 38310/65. Heading F4U. In a storage heater in which air from a blower 17 passes through a heating passageway 12 in a storage core 11, a flap valve 23 opened by the pressure of air supplied and closed by gravity, controls the flow of air from the blower to the passageway. Opening of the valve 23 is limited by a lever which is pivoted at 25 and operated by a bimetallic strip 26 located in a mixing chamber 19 at the outlet end of the passageway 12. A core by-pass from the blower to the mixing chamber is controlled by flaps 14 which are simultaneously controlled by a bimetallic element 15.
Patent GB-383669-A (GB)
Abstract: 383,669. De-tinning furnaces. LEEDS DETINNING, Ltd., 70, Cabinet Chambers, Basinghall Street, and CALVERT, F., 21, Barkly Road, Beeston, both in Leeds. Aug. 21, 1931, No. 23515. [Class 51 (ii).] Relates to de-tinning furnaces of the type described in Specification 326,237, [Class 51 (ii), Furnaces and kilns for applying &c.], and comprises modifications in the method of heating, in the charging means, and in the oscillating charge-supporting trays and their actuating gearing. The furnace 1 is fired by an oil burner 2 delivering into a tapering combustion chamber 3 formed in a part 4 projecting horizontally from the wall 5 at the feed end. The heating gases are exhausted through a flue 6 leading upwards through the roof into a projecting part 8. By this arrangement the charge is heated mainly by radiation. Hoppers and shoots.-The feed hopper comprises a top section 14, Fig. 6, with two vertical and two inclined sides, an intermediate section 16, which tapers at the lower part, and a flared shoot section 15 having division plates 24. Control slides 21, 22 are fitted as shown, and the top of the shoot is partly enclosed by the roof 26. Charges, conveying.-The trays 12 are secured by forked brackets 35 to short shafts 28, 29, the bearings for which are carried by pillars 33 and standards 32, and any distortion of the shafts is allowed for by pivoting the outer bearings 30 on set screws 37. The operating mechanism for the trays, described in Specification 326,237, is modified in detail in the following respects: (a) grooved cams 44, 45 are used to actuate the levers 42, 43 ; (b) the links 50 have a sliding block connection to the levers 42, 43 so that the throw of the connecting-rods 49 and of the trays can be varied; and (c) the links 50 are made adjustable in length so that the inclination of the trays can be varied.
Patent GB-1352595-A (GB)
Title: Web cartridge ejection arrangements
IPC: G11B15/24
Filed: 1971-08-17
Abstract: 1352595 Cassette tape recorders MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 17 Aug 1971 [21 Aug 1970 (3)] 38431/71 Heading G5R A particular step, e.g. immediately after the last track has been played back or recorded, by a track-switching cam 21, Fig. 10, brings a projection 21a thereon into engagement with a lever group 11, 15, 22 and causes one lever 11 to be engaged by a cam 14 on the capstan shaft 62 and to be displaced thereby so as to initiate ejection of a tape cartridge 46, Fig. 7, e.g. by striking the inner end of a manual ejection lever 44 which dislodges a latch 45 and allows a spring-loaded sliding plate 51 to eject the cartridge 46.
Patent GB-872581-A (GB)
Title: Coating compositions for use in sheet metal working
Inventor: TOPPER HARRY HYMAN
IPC: B29C33/62
Filed: 1958-11-28
Abstract: 872,581. Deep drawing; spinning; extruding. IMPERIAL CHEMICAL INDUSTRIES Ltd. Nov. 13, 1959 [Nov. 28, 1958], No. 38442/58. Class 83 (4). A process for pressing or forming sheet metals, e.g. steel, aluminium, copper or brass, comprises applying to the metals when in sheet form a coating composition consisting of solutions in an organic solvent of a copolymer of an acrylic or methacrylic ester with a minor amount of a carboxylic acid containing an ethylenically unsaturated linkage removing the solvent therefrom and thereafter converting the coated sheet metal into a shaped object by pressing or forming, e.g. deep drawing, spinning or impact extrusion. The composition may include an organic solvent-soluble alkylated heat-hardenable condensation product of formaldehyde with urea or melamine and/or a mineral lubricant such as graphite ormolybdenum disulphide and/or an oily or waxy lubricant. The coating composition is, in one example, employed in the form of a solution in trichloroethylene, carbon tetrachloride, perchloro ethylene or methylene dichloride. The methacrylate ester copolymer is a copolymer of n-butyl methacrylate with minor proportions of methyl methacrylate and n-butyl methacrylate. Synthetic lubricants such as chlorinated hydrocarbons and synthetic polymeric esters may be used. A coating composition for steel comprises by weight 50-98% acrylic or methacrylic copolymer, 1-20% thermo-hardening resin and 1-35% lubricants. The composition is applied by dipping, brushing or spraying and the chlorinated. solvent is removed by evaporation leaving a strongly adherent protective film.
Patent GB-1091218-A (GB)
Title: Preparation of bacterial lipopolysaccharides
Inventor: WORK ELIZABETH
IPC: C12P21/00
Filed: 1965-09-09
Abstract: A novel phospholipid - protein - lipopolysaccharide complex which is water-soluble is obtained by growing a lysine requiring mutant of a Gram-negative species of bacteria in a sub-optimal concentration of lysine, obtaining a cell-free liquid from the resulting culture, precipitating the complex from this liquid by dissolving therein a polar, substantially water-immiscible halogenated hydrocarbon, separating the precipitate and removing the halogenated hydrocarbon therefrom.  Suitably, Escherichia coli is grown for 16-48 hours at 25-40 DEG  C. in lysine of 20-500 mg/l concentration, at pH 5-8, under conditions of high aeration.  The complex may be purified by conventional means such as repeated precipitation, ion-exchange, dialysis, gel-filtration or sedimentation, and may additionally be purified with MgSO4 causing precipitation, followed by dissolution in EDTA, dialysis against EDTA, and finally against water.  Suitable halogenated hydrocarbons are CHCl3, CH2Cl2 and CHCl=CCl2. The phospholipid in the complex is mainly phosphatidylethanolamine.  The lipopolysaccharide can be obtained from the complex by hydrolysis using aqueous phenol.
Patent GB-1189699-A (GB)
Title: A Device for Detecting Errors in the Course of Transmission and Arithmetical Processing of Information
Inventor: AKUSHSKY IZRAIL YAKOVLEVICH
IPC: G06F11/10
Filed: 1967-08-23
Abstract: 1,189,699. Error checking. I. Y. AKUSHSKY and D. I. G. JUDITSKY. 23 Aug., 1967, No. 38848/67. Heading G4A. Errors in a digital computer are detected, using residue coding, by subtracting stored constants to zeroize successive digits except the last which is then checked for equality to zero. The disclosures are essentially included in Specification 1,189,700 which is referred to, except that it is stated that subtraction is by table look-up and that the positions of the number could be reduced to zero (by subtraction of constants) two at a time.
Patent GB-887307-A (GB)
Title: Improvements relating to the production of alkenes
IPC: C10G69/06
Filed: 1958-12-03
Abstract: In thermally cracking cycle oils to produce alkenes the cycle oil is catalytically hydrogenated to remove olefines and/or sulphur compounds and solvent extracted to remove aromatics, the reffinate being cracked.  Hydrogenation may be at 370 DEG -430 DEG C., 600-1,500 p.s.i.g., 0,5-4 vol./vol./hr. with 1,000-4,000 ScF of hydrogen per barrel over cobalt and molybdenum oxides, or tungsten and nickel oxides or sulphides.  The solvent for extraction may be furfural, sulphur dioxide, glycols with or without water or phenol and water.  Thermal cracking is preferably in the presence of steam at 500 DEG -670 DEG C. for a few seconds.  Specification 783,469 is referred to.
Patent GB-864206-A (GB)
Title: Improvements in or relating to manually operated machines for rolling cigarettes
IPC: A24C5/44
Filed: 1958-12-03
Abstract: 864,206. Cigarette-making machines. ARMELIN, E. R. Dec. 2, 1959 [Dec. 3, 1958], No. 38986/58. Class 130] The trailing end of a cigarette paper 8 entering a manual cigarette-rolling machine is gummed or, if already coated with gum, moistened, by a roller or wiper or, as shown, a felt or " plastic " wick, projecting from a reservoir 9 which is rotated on trunnions 10, 11 by a handle 12. The wick may leave a space in the reservoir for free liquid supplied via holes 14, and in its inoperative position, when it coacts with a stationary cover 15, a pin 16 on the machine frame engages in a recess in the handle 12, a spring 17 allowing the necessary movement to effect such engagement. Modification.-In Fig. 4 (not shown), the reservoir is applied to a machine of the kind using an openable nest of rollers.
Patent GB-1144699-A (GB)
Title: Wheeled scrapers for earth-moving
Inventor: HANCOCK JAMES EUGENE
IPC: E02F3/64
Filed: 1967-08-29
Abstract: 1,144,699. Earth-moving bowl scrapers. CLARK EQUIPMENT CO. 29 Aug., 1967 [12 Sept., 1966], No. 39403/67. Heading E1F. The bottom closure 32 of a bowl type scraper is swung between bowl bottom-opening and closing positions by rams 42 acting between the sides of the bowl and the members 37 by which the closure 32 is supported from the sides.
Patent GB-345625-A (GB)
Title: Improvements in and relating to pumps, motors and the like
IPC: F04C3/06
Filed: 1929-12-24
Abstract: 345,625. Rotary engines &c. SWAIN, F. E., 100, Marrowbrook Lane, Farnborough, Hampshire. Dec. 24, 1929, No. 39432. [Class 110 (ii).] Disc-engine type ; regulating motors and pumps ; balancing moving parts ; packing drums.-A rotor 10 and a shaft 4 are mounted eccentrically in a casing 1 and sleeve 12, the latter being attached by means of key-plates 14, or formed integral with an annular oblique piston 13, which slides in a slot 11 in the rotor. The sleeve 12 is cut away at parts 18, 18a to regulate the flow of fluid entering a port 16 and leaving a similar port diametrically opposite. Two collars 21, 21a are fixed to the shaft 4, the collar 21a being pressed against a fibre disc 22 by the action of a compression spring 23 to prevent leakage of fluid to a bearing 5. In a modification the spring 23 and fibre disc 22 are dispensed with, and the shaft 4 is provided with a stuffing-box containing cork packing. The cutaway parts 18, 18a may be varied to suit the viscosity of the fluid being pumped or to vary the cut-off when the device acts as a prime mover.
Patent GB-1350532-A (GB)
Title: Device comprising a chamber and suitable for manipulating components of nuclear reactors
IPC: G21C13/073
Filed: 1972-08-25
Abstract: 1350532 Reactors COMMISSARIAT A L'ENERGIE ATOMIQUE 25 Aug 1972 [26 Aug 1971] 39816/72 Heading G6C A device for manipulating the core assemblies of an axially vertical nuclear reactor comprises a plug 11 from which is suspended a cover 11b provided with instruments for monitoring the core assemblies, the plug 11 being coaxial with the core 4 and eccentrically mounted in a plug 7 eccentrically bearing an arm 9 for manipulating assemblies gripped by means mounted on a radial arm 10 at the foot of the arm. These means can be brought into vertical alignment with any core assembly by the combined rotation of the plug 7 and the arm 9. Before this is possible, it is necessary to withdraw the plug 11  upwardly into a bell vessel 12 mounted in sealing-tight manner on the plug 7 in order that the arm 10 may reach the fissile assemblies 4a of the core 4. The space above the fissile assemblies 4a is normally occupied by the cover 11b with its monitoring instruments. The invention is described with particular reference to a sodium-cooled fast reactor in which the fissile assemblies 4a are surrounded by fertile assemblies 4b, protective assemblies 4c, and a lateral support structure 4d.
Patent GB-1175947-A (GB)
Title: Ultrasonic Transducers
Inventor: PARKER JOSEPH DONALD
IPC: A01M29/18
Filed: 1968-08-21
Abstract: 1,175,947. Ultrasonic transducers. ELECTROMECHANICAL DESIGN Ltd. 21 Aug., 1968, No. 39942/68. Heading H4J. An ultrasonic transducer for repelling rodents, comprises an annular piezo-electric crystal 1 having electrodes 2 on its inner and outer surfaces and arranged to vibrate in the circumferential mode, and a radiating member 4 in the form of a cup fitted in the annulus, support means 5-7 for the transducer being provided at the bottom of the cup. The crystal is of barium titanate, lead zirconate or other polarized polycrystalline material and has silvered surfaces 2. The frequency of vibration of the crystal is arranged to be slightly (5%) higher than the final desired frequency of the transducer (20 kc./s.) to allow for the effect of the mass of air acting on the cup. The cup is of thermosetting plastics material and forms an interference fit in the annulus, final tuning being by grinding the rim of the open end of the cup. The support means is a bracket 5, bolt 6 and resilient washer 7 attached at a node (the centre of the base of the cup). In an alternative support arrangement designed to enhance the circumferential vibrational mode by restricting longitudinal vibration of the crystal 1, Fig. 2 (not shown), a plastic plate (8) is provided to bear on the base of the crystal. Two cups may be secured together coaxially on a common support to face in opposite directions, each being associated with an annular crystal.
Patent GB-925350-A (GB)
Title: Dual cam track knitting apparatus
IPC: D04B15/32
Filed: 1959-11-25
Abstract: 925,350. Knitting-machines. SUPREME KNITTING MACHINE CO. Inc. Nov. 25, 1959 [May 21, 1959], No. 39971/59. Class 74 (2). At each feed of a multifeed machine is a block 35 bearing needle raising (clearing, tuck, or welt) cams 55A, 55B and vertically aligned stitch cams 50A, 50B in upper and lower cam tracks 60A, 60B which respectively receive only the butts of relatively short needles and of relatively long needles, all needles which are thereby raised to take yarn and lowered at any one feed taking the same yams and all needles of the same length being operated on by the same raising and stitch cams at any one feed. Each block is provided with a pair of bores 33, in each of which work plungers 40A, 40B bearing the vertically aligned stitch cams. The spacing between the plungers is determined by a pin 44 slidable in the plunger 40A and abutting at its ends against respectively the plunger 40B and a screw 45 in the plunger 40A; and the position of the two plungers together is determined by a spring 42 supporting them against the downward thrust due to the conical end of a screw 47 which engages with a notch 46 in the upper plunger.
Patent GB-989565-A (GB)
Title: Improvements in or relating to mixtures of methyl cyclohexanone peroxides
Inventor: GELDER DIRK WILLEM VAN
IPC: C07C409/22
Filed: 1962-10-26
Abstract: A methylcyclohexanone peroxide mixture is prepared by reacting hydrogen peroxide with a mixture of methylcyclohexanones containing not more than 30 wt. per cent ortho-isomer.  Reference has been directed by the Comptroller to Specification 873,614.ALSO:Unsaturated polyesters are polymerized using a methylcyclohexanone peroxide mixture containing not more than 30 wt. per cent orthoisomer. Reference has been directed by the Comptroller to Specification 873,614.
Patent GB-1531210-A (GB)
Title: Apparatus for intubation of lacrimal ducts
IPC: A61F9/007
Filed: 1977-09-30
Abstract: 1531210 Device for intubation of the lacrimal ducts HOSPITAL FOR SICK CHILDREN TORONTO 30 Sept 1977 [1 Oct 1976] 40748/77 Heading A5R A device for correcting a blocked lacrimal duct comprises a flexible wire probe 12, one end of which is provided with an enlarged rounded portion 18 to prevent damage to tissue, and the other end of which is attached to a flexible plastics tube. In use, the probe is inserted through the lacrimal duct into the inferior meatus and used to draw the plastics tube into the lacrimal duct by means of a tool having a recess (28), Fig. 2 (not shown) adapted to receive the wire of the probe but preventing passage of the enlarged portion 18. The device preferably comprises two such probes attached to opposite ends of a piece of flexible plastics tubing (16), Fig. 1 (not shown).
Patent GB-979112-A (GB)
Title: Improvements in or relating to alternating current are welding processes
Inventor: BARLOW KENNETH FREDERICK
IPC: B23K9/10
Filed: 1962-10-30
Abstract: 979,112. Arc welding systems. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Oct. 14, 1963 [Oct. 30, 1962], No. 40945/62. Heading H2H.  An arc welding circuit includes a bank of chokes l 4 -l 8  connected in parallel, each choke controlled by a switch S 4 -S 8  Each choke may be subdivided into several smaller chokes, each controlled by their own switch. The switches may be operated according to a prearranged sequence for example by a timing device, or a set of cams geared to a machine which may be welding the end caps of beryllium fuel element sheaths.
Patent GB-1162372-A (GB)
Title: Improvements in or relating to Vacuum switches
Inventor: BEDDOE STANLEY
IPC: H01H1/58
Filed: 1965-09-30
Abstract: 1,162,372. Vacuum switches. ENGLISH ELECTRIC CO. Ltd. 28 Sept., 1966 [30 Sept., 1965], No. 41637/65. Heading H1N. The contacts 16, 18 of a vacuum switch are closed against a spring bias 23 by liquid pressure acting upon the bellows 19. The bellows 19 forms part of a closed chamber 21 at one end of the envelope, the chamber being supplied with an insulating liquid, such as transformer oil, by a pipe 22. The movable contact is slidably mounted and is connected to a fixed terminal 25 by spring fingers 24. Two such switches may be joined back to back (Fig. 2, not shown) and operated by a common liquid. Several single or double switches may be connected in series (Fig. 3, not shown). The fixed contact may be resiliently mounted (not shown).
Patent GB-935536-A (GB)
Title: Support for a table or the like
Inventor: DOCKER LESLIE THOMAS
IPC: A47B23/00
Filed: 1959-12-09
Abstract: 935,536. Furniture combinations; brackets. SLUMBERLAND GROUP Ltd. Dec. 7, 1960 [Dec. 9, 1959], No. 41831/59. Classes 52 (3) and 52 (5). A bedside table 10 folds away to form a door closing a cupboard 11 attached to the headboard 12 of a bed 13, the table being supported by arms 14 pivoted to arms 23 in turn pivoted to an arm 27 to which the table is secured by a block secured to the table and slidable on a polygonal part of arm 27 so that the table may be set at various angles to serve as a reading desk &c.
Patent GB-855476-A (GB)
Title: Dialkyl esters of 2,5-diphenyladipic acid
IPC: C08K5/11
Filed: 1958-12-29
Abstract: Resinous compositions comprise a polyvinyl resin e.g. polyvinyl chloride or acetate or a copolymer thereof and a dialkyl ester of 2, 5 diphenyl adipic acid (see Group IV(b)) optionally in admixture with other esters such as adipates, sebacates and azelates.  Compositions are described comprising polyvinyl chloride resin, di(2-ethyl butyl) 2, 5-diphenyl adipate and solvents including methyl isobutyl ketone and toluene; polyvinyl chloride and di-(2-ethyl butyl)- or diisoamyl 2, 5-diphenyl adipate or a mixture of di (2 methylpentyl) 2, 5-diphenyl adipate and di(2 ethyl hexyl) phthalate; and polyvinyl chloride -acetate copolymers, di (2-ethyl hexyl) 2, 5diphenyl adipate, propylene oxide, methyl isobutyl ketone and toluene.  The preparation of films is described.  Specification 771,329 is referred to.ALSO:The invention comprises dialkyl esters of 2,5-diphenyladipic acid.  Such esters may be prepared by conventional esterification and/or transesterification reactions with a suitable monohydric alcohol or combination of alcohols with or without an esterification catalyst or by ester interchange.  Preferably the acid and alcohol are heated together under reflux and an inert solvent, e.g. benzene, toluene, xylene or perchloroethylene. Alcohols specified include methanol, ethyl alcohol, 2-ethylhexanol, isobutyl alcohol, 2-methylpentanol, 2-ethylbutanol and isoamyl alcohol.  Catalysts mentioned include sulphuric acid and p-toluene sulphonic acid. Examples are furnished.  The products may be employed as pesticides, lubricants and plasticisers for synthetic resins (see Groups IV(a) and VIII). Specification 771,329 is referred to.