baber/WOPTO huggingface dataset:
Patent GB-899698-A (GB)
Title: A process for regenerating iron oxide-containing oxidizing agents
IPC: B01J21/00
Filed: 1960-12-23
Abstract: An oxidizing agent comprising iron oxide, which has been partially reduced in the oxidation of an organic compound, is treated with steam before regeneration by oxidation.  The oxidizing agent comprising iron oxide preferably contains its major component Fe2O3, e.g. between 50 and 95% by weight.  Additionally the oxidizing agent may contain alumina, silica, ball clay and/or a stabilizing material such as an oxide of chromium, molybdenum, tungsten, manganese, nickel, lithium or bismuth.  The oxidizing agent may be prepared by mixing iron oxide, having an average particle diameter below about 1 micron and an available surface area of at least 5 square metres per gram with appropriate amounts of aluminium nitrate, chromic oxide, and water to form a paste, drying, calcining at 600 DEG C., grinding and sieving.  Treatment of the oxidizing agent with steam may be effected at elevated temperatures and at pressures at or above atmospheric.  Regeneration of the oxidizing agent by oxidation is preferably achieved by passage of air over the oxidizing agent at a low partial pressure, chemisorption of oxygen on Fe2O3 thereby being avoided.  Deactivation of the oxidizing agent may occur due to conversion of g -Fe2O3 to a -Fe2O3.  In this event replacement of some of the iron oxide is affected with Fe2O3 preconditioned at 540 DEG  C. and reduced with a hydrocarbon or hydrogen.  The oxidizing agent may be separated from the accompanying reactants before regeneration.
Patent GB-444216-A (GB)
IPC: G01B3/40
Abstract: 444,216. Surface and outline gauges. COOKE, TROUGHTON, & SIMMS, Ltd., and TAYLOR, E. W., Buckingham Works, Yorkshire. Dec. 28, 1934, No. 37189. [Class 106 (ii)] [See also Group XX] Apparatus for checking contours comprises at least two screens movable relatively so that certain data carried by one or both can be adjusted for setting the screens to check contours of the same shape but of different sizes. In the example shown, the image is projected from one direction and viewed from the opposite direction. Two superposed screens 3, 4 are employed, one, 4 being in the form of a transparency provided with data as shown in Fig. 2, the other and stationary screen 3 being also provided with data co-operating with that on the movable screen and being formed of glass, the underside of which is ground. For checking screws, the screen 4 has a straight pitch line 5 and an oblique line 6, while the stationary screen 3 has an oblique line 7, these lines on relative movement of the screens intersecting at an angle of 55‹ for Whitworth threads. The data are provided on their inner surface to avoid parallax. By adjusting the screens they can be set for threads of different size. The screen 4 is provided with scales 8 so disposed with respect to the oblique line and to an index line 9 that when the latter registers with a point on one of the scales, the screens are adjusted for examining a thread of a particular size at a predetermined magnification, each scale representing a different magnification. The scale 3 is mounted in a frame 11, the scale 4 being mounted to slide in guides 13 fixed to the back of frame 11 and being moved by pinion-and-rack from a button 15. Lugs 15<x> serve to secure the screens in the top of the casing of a projector. The movable screen is also preferably provided with a series of circles 10 for checking the radius of the roots and crests of the threads.
Patent GB-923066-A (GB)
Title: Improved magnesium primary electric cell anode and magnesium primary electric cell
Inventor: STEVENS JOHN AUGUSTUS
IPC: C22C23/00
Filed: 1959-12-31
Abstract: An anode for a primary electric cell consists of Mg with 0.03-1.7% In.  The alloy may also contain, for example, Al up to 12%, Zn up to 3%, Ca up to 0.5% and the impurities associated with commercial magnesium.  The anode may be used in the cells described in Specifications 659,367, 669,256 and 735,005.
Patent GB-1440193-A (GB)
Title: Support for a mattress
IPC: A47C27/10
Filed: 1972-09-26
Abstract: 1440193 Mattress support HOWORTH AIR CONDITIONING Ltd 25 Sept 1973 [26 Sept 1972] 44505/72 Heading A4M A mattress support 10 has individually inflatable bags 17 each of which is individually housed in a compartment of an envelope 11. The compartments are arranged in rows and columns and the inflation nozzle 18 of each bag is connected by flexible tubing 19 to a control console.
Patent GB-992892-A (GB)
Title: Improvements relating to the retention of electrical connectors in insulating housings
IPC: H01R13/28
Filed: 1963-11-12
Abstract: 992,892. Stud and socket fastenings. AMP Inc. Nov. 12, 1963 [Nov. 28, 1962], No. 44562/63. Heading E2B. [Also in Division H2] Housings for containing mating electrical connectors are made of a resilient insulating material such as hard nylon and are held together by the engagement of forward lug 14 on the upper side of plug portion 2 with hooked end 16 of latch arm 18 formed integrally with socket portion 4 through struts 19, which deform resiliently when the latch arm is lifted to disengage-hook 16 from lug 14. The electrical connectors are secured in position by the engagement of their ears 32, Fig. 6 (not shown) with bosses 40 and 50, 52, Fig. 8 (not shown). Specification 921,565 is referred to.
Patent GB-1471292-A (GB)
Title: Cassette tape apparatus
IPC: G11B15/665
Filed: 1974-10-15
Abstract: 1471292 Tape cassettes TOKYO SHIBAURA ELECTRIC CO Ltd 15 Oct 1974 [18 Oct 1973] 44573/74 Heading B8M [Also in Division G5] A magnetic or perforated tape cassette contains an end-to-end tape wound on two coaxial reels or an endless tape 1 on a reel 4 and has a frusto-conical tape guide roller 6, guide pins 7, 8, 12 and members 18, 19 restraining a slack portion 17. A cover 9 carrying tape guide pins 10, 11 has a recess 14 which may be engaged by a part of a tape loading device of a cassette tape record/playback apparatus to slide the cover 9 and thereby withdraw a tape portion 13 from the cassette for threading into said apparatus. During withdrawal and retraction of tape portion 13 the latter is tensioned by a body 16 rotated by a drive of said apparatus and against which the tape is urged by a leaf spring 15. The cassette is of a type disclosed in Specification 1,457,310.
Patent GB-1130897-A (GB)
Title: Pyrometallurgical treatment of iron ores
Inventor: BEAULIEU CHARLES EDOUARD
IPC: C22B1/14
Filed: 1964-11-02
Abstract: 1,130,897. Ferromagnetic iron oxides. MINISTERE DES RICHESSES NATURELLES. 2 Nov., 1965 [2 Nov., 1964], No. 44630/64. Heading C1A.  Non-ferromagnetic material is converted into a ferromagnetic composition by a low-temperature one step process which comprises heating at atmospheric pressure naturally occurring non-ferromagnetic hydrated ferric ore oxides and/or non-ferromagnetic anhydrous ferric ore oxides having a particle size of from 0À004 inch to less than 0.2 inch at a temperature from 225‹ to 380‹ C. in a reduced oxygen atmosphere, i.e. one in which the oxygen partial pressure is less than that in air, having an oxygen partial pressure of 10<SP>-15</SP> to 10<SP>-35</SP> atmospheres and cooling the product to give a stable solid ferromagnetic solution having a primitive cubic lattice parameter between 8À389 angstroms and 8.338 angstroms, and containing lass than 31.3 % by weight but more than 0% by weight of FeO, the balance consisting of non-converted starting material and gangue. The starting material may be limonite, haematite or goethite. The amount of gaseous reducing agent may vary from 1000 to 5000 cu.ft./ton of iron oxide. By calcining, the solid solution may be converted to maghemite which has stronger magnetic properties than the solid solution of bolite. The nature of the solid product of the process depends on the type of starting material and the reaction conditions employed. Thus the product may have a bolite content of from 20 to 85% by weight, the balance consisting of non-converted starting material.
Patent GB-1174672-A (GB)
Title: Ointment Base and Preparation Thereof
Inventor: LARSSON VICTOR KARE
IPC: A61Q19/00
Filed: 1967-10-02
Abstract: 1,174,672. Ointment base. V. K. LARSSON. 2 Oct., 1967 [30 Sept., 1966], No. 44683/ 67. Heading A5B. Ointment bases for dermatological (including medical and cosmetic) purposes, comprising an aqueous dispersion of crystals of at least one α-mono-glyceride of a fatty acid (preferably with a chain containing 12-18 carbon atoms) dispersed in an aqueous phase consisting essentially of water; wherein the water comprises 50-90% by weight of the dispersion and the molecular orientation of the α-monoglyceride in the crystal is such that the crystal surface is formed substantially by the polar glycerol end groups giving hydrophilic properties to the crystals, are prepared by mixing together water and the glyceride and bringing this mixture to a temperature above the transition temperature (e.g. 5 to 15C. above, the transition temperature being defined as the lowest temperature at which a particle of the glyceride, in contact with excess water, absorbs water and is transformed into cylindrical or spherical particles of strong birefring- ence), keeping the mixture above the transition temperature while stirring until the glyceride has been transformed into microscopic liquidcrystalline particles and equilibrium is reached, and cooling the mixture slowly (e.g. at a rate of 0.5 to 5C per minute) while stirring to ambient temperature. The α-monoglyceride may be selected from α-monolaurin, α-monomyristin, α-monopalmitin and α-monostearin.
Patent GB-1436953-A (GB)
Title: Light barrier screen
IPC: G01V8/14
Filed: 1973-09-25
Abstract: 1436953 Machinery safety device E SICK [trading as ERWIN SICK OPTIK-ELEKTRONIK] 25 Sept 1973 [26 Sept 1972] 44883/73 Heading F2J [Also in Division G1] A light barrier screen such as may be used as a safety device to switch off a machine when an operator places his hand in a danger zone has a set of light sources which are pulsed in sequence by a single power supply. This minimizes the power requirements but provided the pulsing is rapid enough the safety device remains effective. A common detector may be used for all the light sources, and a reference detector may be used to compensate for ambient light, ageing or temperature effects. Fig. 1 shows a set of LED sources 11-16 fed in sequence from power supply 17 via sequential switch 17a. The light path from source 11 to a detector 26 via danger zone 24 is seen from above in Fig. 2, where the reference path to a detector 32 via mirror 42 is also seen. Similar paths exist via the other lenses of Fig. 1 from sources 12-16 to their respective detectors. Fig. 3 (not shown) and Fig. 4 show how use of a curved mirror 40 and a wedge 62 permit the use of a single danger zone detector 38 and a single reference detector 41. Detector circuit.-In Fig. 5 the pulses from detectors 38, 41 are amplified and applied to trigger 58; this gives a zero output as long as the signal from 38 is less than that of 41. A differentiator 59 gives an output only for a positive going impulse, while a differentiator 60 gives an output only for negative going impulses from 58. As a result, bi-stable 61 gives a train of regular pulses during normal operation, but if a light beam in the danger zone is broken one or more pulses from 61 is absent. This can be detected by a device such as a relay receiving the output of bi-stable 61. When this arrangement is used with Fig. 1 a switch synchronized with switch 17a connects the detector circuit to the appropriate pair of detectors. The arrangement is fail-safe.
Patent GB-1330353-A (GB)
Title: Anti-microbially active surface-active compositions
IPC: C11D3/48
Filed: 1970-09-21
Abstract: 1330353 Phosphinic acid amides FARBWERKE HOECHST AG 21 Sept 1970 [20 Sept 1969] 44934/70 Heading C2P [Also in Division C5] Aliphatic phosphinic acid amides having in the molecule one or two lipophilic radicals (i.e. C 5-24  saturated or unsaturated straight or branched-chain aliphatic hydrocarbon radicals) which radicals are linked to the phosphorus atom or a nitrogen atom, may be prepared (a) by reacting the corresponding aliphatic phosphinic acid halide with a suitable amine, (b) by oxidation of the corresponding phosphinous acid amide or (c) by reaction of phosphorus amide dihalides with Grignard reagents. The amides may have the Formula I: where R 1  and R 2  are C 1-24  aliphatic, R 3  is H or C 1-24  aliphatic and R 4  is H, C 1-24  aliphatic or a radical -C n H 2n NR 5 R 6  where n is 2 to 4 and R 5  and R 6  have the meaning of R 3 , one or two of the radicals R 1  to R 6  being lipophilic radicals. The phosphinic acid amides may be used as active ingredients of anti-microbially active surfaceactive compositions.
Patent GB-995641-A (GB)
Title: Improvements in socket retainers
IPC: F16B7/04
Filed: 1961-12-15
Abstract: 995,641. Shaft couplings. ATLAS COPCO A.B. Dec. 15, 1961 [Dec. 28, 1960], No. 44979/61. Heading F2U. [Also in Division B3] A socket-retaining member comprises an end portion having a hole 13 in which a plunger is urged transversely by a spring 26 seated on a member having arms 25 engaging abutments 19, 20 on the end portion. The abutments are formed either by a bore 21 closed by a plug 27 or by a groove in the wall of the hole 13. The plunger may extend by different amounts according to which end protrudes.
Patent GB-1001459-A (GB)
Title: Process for desulphurizing non-ferrous metal and metal alloy particles
Inventor: MACKIW VLADIMIR NICOLAUS
IPC: C22B1/11
Filed: 1962-11-30
Abstract: Non-ferrous metals or alloys in the form of particles or coatings on particles, of a size less than 300 microns or in the form of sintered or unsintered compacts formed therefrom, or sintered and hot or cold worked products formed therefrom and having a thickness less than 0.635 cm. are desulphurized by heating at a temperature below their melting point but preferably above 540  DEG C. in a stream of hydrogen containing less than 0.15% by volume of hydrogen sulphide. The hydrogen may be diluted, e.g. in the form of cracked ammonia. The treatment of silver, copper, cobalt, nickel, chromium and vanadium is particularly referred
Patent GB-1567467-A (GB)
Title: Method of heating water
IPC: C02F9/00
Filed: 1976-11-02
Abstract: The water proceeds sequentially through a plurality of aeration stages of which each is connected to a delay and/or reaction chamber. After the aeration, the water remains in the delay and/or reaction chamber for establishment of equilibrium and, possibly, reaction with added agents and/or biological oxidation. This treatment is repeated in the following identical stages. Precipitation or reaction products are taken off from the delay and/or reaction chambers. In the apparatus for carrying out the process, the treatment stages are arranged one above the other and are connected together by branch pipes in such a manner that the water can run first through all odd-numbered and then through the even-numbered aeration stages and reaction chambers. A pump makes intensive treatment possible by connecting one after the other the odd and even treatment stages. The pump can be bypassed by gate valves and the throughput can be doubled by parallel operation of the odd and even treatment stages. Process and apparatus make possible softening to any desired degree of hardness, deacidification, biological oxidation and nitrification independently of variations in the throughput in volume per unit of time.
Patent GB-981817-A (GB)
Title: Improvements in or relating to the bromination of steroid compounds
IPC: C07J7/00
Filed: 1961-12-21
Abstract: The invention comprises 21-bromo-4-fluoro-17a  - hydroxy - pregn - 4 - ene - 3,11,20 - trione, 21 - bromo - 16a  - methyl - pregn - 4 - ene-3,11,20-trione and a process for the preparation of a 21-bromo-4-fluoro-pregn-4-en-3,20-dione, in which a solution or suspension in a solvent medium which is essentially methanol, of a 4-fluoro - 3,20 - diketo - D 4 - steroid, the D - ring of which is of the general formula <FORM:0981817/C2/1> (where R1 indicates either hydrogen or a hydroxyl group) is reacted with an acidic enolizing agent and with bromine to yield the corresponding 21-bromo-4-fluoro-pregn-4-en-3,20-di-one. As acidic enolizing agents, there may be used strong organic acids, organic acid chlorides or gaseous hydrochloric or hydrobromic acids. Subsequently the 21-bromo compound may be acyloxylated e.g. with alkali metal acetate to form the corresponding 21-ester.
Patent GB-1237377-A (GB)
Title: Moulds for injection moulding
Inventor: WAY KENNETH RICHARD
IPC: B29C33/40
Filed: 1967-10-09
Abstract: 1,237,377. Injection moulding. STANDARD TELEPHONES & CABLES Ltd. 2 Oct., 1968 [9 Oct., 1967], No. 45995/67. Heading B5A. A method of manufacturing a mould having an annular moulding cavity comprises packing a half cylindrical shell with epoxide resin putty, forcing a former having a semi-annular shape into the putty to form one half of the required cavity, heating the shell, putty and former to cure the putty, and removing the shell and former, thereby providing one mould half. A second mould half is similarly formed and the two halves joined e.g. by clips; such a mould may be used for injection moulding thermoplastic material to seal a cable joint.
Patent GB-1151084-A (GB)
Title: Thermoelectric Generator Assembly.
IPC: H01L35/06
Filed: 1966-07-12
Abstract: 1,151,084. Shielded containers for radioactive material. MARTIN-MARIETTA CORP. 12 July, 1966 [26 July, 1965], No. 46001/67. Divided out of 1,151,083. Heading B4Q. [Also in Divisions G6 and H1] The disclosure is identical to that of Specification 1,151,083, but the claims relate to a thermo-electric generator comprising a radioisotopic heat source enclosed in a cup-shaped or cylindrical container and surrounded by radioactive shielding and thermal insulation, with a planar thermo-electric conversion device overlying the end of the container.
Patent GB-1489640-A (GB)
Title: Tubular silencer
IPC: F01N13/00
Filed: 1975-11-06
Abstract: 1489640 Silencers MASCHINENFABRIK KORFMANN GmbH 6 Nov 1975 [11 Sept 1975] 46045/75 Addition to 1480416 Heading FIB The silencer claimed in the main specification, comprising an annulus of self-supporting sound absorbing elements 4 mounted between end-pieces 5 and surrounded by an outer jacket 2 is modified by the provision of a central core 4a of sound absorbing elements of the type making up the annulus. The ends of the core 4a may be held in  cups 10 each supported by three legs 11. When the core 4a is an annulus of elements these elements may be held in annular end pieces (not shown). More than one concentric core can be provided. The cores may be located by legs 11 with slots engaging the end-pieces 10 of another core or the end-pieces 5 of the elements 4 as shown in Fig.9.
Patent GB-1217357-A (GB)
Title: Rubber modified novolak resins
Inventor: JEFFREYS KERRY DAVID
IPC: C08L61/10
Filed: 1968-10-01
Abstract: 1,217,357. Polychloroprene modified phenolic resins. B.P. CHEMICALS (U.K.) Ltd. 18 Sept., 1969 [1 Oct., 1968], No. 46440/68. Headings C3P and C3R. Polychloroprene modified phenolic resins are produced by allowing an aldehyde to react with a molar excess of a phenol at an initial pH of less than 7 and in the presence of a polychloroprene rubber latex. The aldehyde may be formalin and the phenol phenol itself. A 0À1-50% molar excess of the phenol may be used. The initial pH may be 1-6À9 and the temperature 50-200 C. The acid catalyst may be 1-5% of oxalic acid. The latex may be emulsified with sodium rosinate or an alkylated tolyl methyl trimethylammonium chloride. 5-150 parts of the rubber (dry weight) may be used per 100 parts of formaldehyde. These may be added to the reaction mixtures initially or later, e.g. after the free formaldehyde contact has been reduced below 2% and the pH made alkaline. When reaction is complete the latex medium may be distilled off under reduced pressure. Fillers, phenolic resin curing agents, e.g. hexamethylene tetramine, and rubber curing agent may be added to the product which may be used as a rubber adhesive.
Patent GB-1316466-A (GB)
Title: Spinning ring for ring spinning and ring twisting frames
IPC: D01H7/60
Filed: 1970-10-01
Abstract: 1316466 Ring spinning machines NUSSLI & CIE 1 Oct 1970 [7 Oct 1969] 46729/70 Heading DID A spinning ring comprises an annular rim 5 supporting a top flange 3 which extends both radially outwardly and inwardly of the rim. The top profile of the flange cross-section has a higher convex portion 9 outward of the rim 5 and a lower horizontally straight (as shown) or upwardly convex (Fig. 4, not shown) inward of the rim. The region 13 intermediate the outer and inner portions is a slant line sloping downwardly and inwardly and, taken all around the ring, forms a cone of half angle between 30 and 70. Preferred shapes and dimensions of the flange are specified.
Patent GB-1450185-A (GB)
Title: Elapsed event recorder
IPC: G06M1/276
Filed: 1973-10-08
Abstract: 1450185 Counters S KESSLER 8 Oct 1973 [6 Nov 1972] 46943/73 Heading G4D A counter, such as a time interval recorder, arranged to print the accumulated count when required, comprises a housing 20 with an opening 30 and a counter within the housing with a mechanism for moving the counter towards the opening so that its printing number wheels print the accumulated count on a record card or the like at the opening. In a first embodiment (Fig. 3 and Figs. 1-10, not shown) the counter is attached to the upper part of a telescopic two part housing through which readable numbers can be seen by a magnifying window 28. The housing normally rests in a further casing (Fig. 2, not shown) in which position gear 66 is driven from a clock motor (90). When the counted period is to be printed the housing is lifted from the casing and placed over a record card; the upper part is then depressed against springs 22 causing the printing numbers on the opposite side of the wheels to the readable ones to project through the opening 30 to mark the card. When the housing is released the counter rises and a rack inside the bottom part drives, through a pawl-and-ratchet and an epicyclic gear, the shaft on which the number wheels are mounted and to which they are coupled by friction clutches, so that the wheels are returned to zero where they are stopped by detents. Transfer pinions 84 are shifted clear of the wheels during this resetting by a camming arrangement (Fig. 8, not shown). The surface of the number wheels is a porous ink impregated band. This arrangement may be replaced by a system of inking rollers (Figs. 34-36, not shown) which are withdrawn by a camming arrangement during printing. In a second embodiment (Figs. 12, 22 and Figs. 11-26, not shown) the counter is mounted in a similar two part housing but can move relative to both parts; during a printing operation the counter first flips over through 180 degrees and then descends to print through the bottom opening as before. The counter is inside an inner oval housing 228 which also contains an internal drive motor 268 which is coupled by contacts 262 to an external plug connection. The contacts 262 are disconnected as the casing flips over during printing. The shaft 242 of the number wheels projects at each end from the oval housing and runs in cam tracks 246. During the upward motion after printing it runs in a larger radius portion 246a whereby a gear wheel on it is displaced to engage an internal gea rring thus driving the shaft for zero setting. In modifications to either embodiment (Figs. 28-33, not shown) the zeroizing drive is omitted and the shaft does not rotate. The shaft is hollow and has fixed to it inter-wheel partitions carrying coded contacts which co-operate with contacts on the number wheels and are coupled by wires inside the shaft, a contact set on the end of the shaft and an array of fixed blade contacts on the housing to an external connection whereby the counter can be read out electrically. The blade contacts are disconnected when the counter moves to the printing position.