baber/WOPTO huggingface dataset:
Patent GB-1072512-A (GB)
Title: Improvements in or relating to nuclear reactors
Inventor: HAWKINS RONALD JAMES
IPC: G21C1/00
Filed: 1964-06-19
Abstract: 1,072,512. Cooling reactors. BABCOCK & WILCOX Ltd. June 21, 1965 [June 19, 1964], No. 25533/64. Heading G6C. The core of a gas cooled nuclear reactor is mounted together with heat exchangers within a concrete pressure vessel. An inverted capshaped biological shield separates the core and heat exchangers. Water is supplied to the exchangers by pipes through the concrete and emerges as steam through further piping. Provision is made at the heat exchangers to accommodate movements due to thermally induced dimension changes. The gas ducts between the exchangers and the biological shield include flexible bellow-type couplings. Similarly, the water and steam tubes include flexible bellows between the concrete vessel walls and the heat exchangers. In addition, each heat exchanger is supported from the vessel wall by a ball or roller and groove mounting. The gas pumps are mounted within bores in the concrete wall.
Patent GB-1056815-A (GB)
Title: Fire control system for weapons
IPC: F41G5/16
Filed: 1964-06-19
Abstract: 1,056,815. Pulse radar. BOFORS A.B. June 19, 1964 [July 2, 1963], No. 25542/64. Heading H4D. Relates to a fire control system for laying a weapon carried by a moving platform (e.g. a ship), comprising a sighting means (e.g. a pulse radar) by which the direction and range of a target are measured and a fire control computer (6) fed with data from the sighting means and with data such as the platform's attitude, speed and course, wind speed and direction, and computing in known manner the data necessary for laying the weapon. The sighting means continuously and automatically follows the target by means of a servomotor which according to the invention is controlled by three different signals, one of which is the conventional signal from the sight and is dependent on the angular deviation about its rotational axis between sight and target directions, the second signal is received from a gyroscope responsive to angular velocity of the sight, and the third signal is from the fire control computer and is proportional to the angular velocity of the target about the axis of rotation of the sight. In the embodiment a lobe-switching radar provides signals proportional to orthogonal angular deviations (#z), (#h) about an axis (Z) between the directions, (A2), to the target and (A1) of the aerial boresight; the signals affect two servomotors (S1), (S2) to attempt movement of the aerial system such as to annul them. To eliminate the necessity for high error-signal amplification, due to ship attitude changes, and without the necessity of a stabilized gun platform, angularvelocity-sensitive gyroscopes (G z ), (G h ) are mounted on the aerial system and their outputs are fed as negative feedbacks to the servomotors to make the aerial direction (A1) independent of ship motion. The computer (6) calculates in known manner the velocity (V m ) of the target and also produces (1) a signal dE/dt, proportional to the angular velocity of the target about axis (Z), for application to a servomotor (S2); and (2) a signal dX M /dt, proportional to the angular velocity of the target about the horizontal axis (H), for application to another servomotor (S1). The control signal for a servomotor (S2) may be passed through an amplifier having a gain 1/cos,H where H is the angle of elevation of the aerial bore-sight. For surface targets the aerial system is rotatable only about one axis (S).
Patent GB-190794-A (GB)
Title: An improved arrangement of wheels for motor vehicles, or the like
IPC: B60G5/01
Filed: 1921-09-28
Abstract: 190,794. Garden, W. B. Sept. 28, 1921. Motor-cars and the like have eight wheels arranged four on each side and mounted on a rigid frame A without the interposition of springs, the body B being supported by springs secured to the frame A. The wheels are arranged in pairs at the ends of the frame, and steering- means of any kind controls all the wheels.
Patent GB-988463-A (GB)
Title: Elastified polyvinyl chloride and vinyl chloride copolymers and process for preparing them
IPC: C08L23/28
Filed: 1961-07-14
Abstract: A composition comprises a vinyl chloride polymer and a chlorinated high molecular weight polyefin obtained by chlorinating a mixture of a vinyl chloride polymer and a polyolefin in aqueous suspension until the polyolefin has a chlorine content of 20-50% by weight, at least 5% by weight of the chlorine being incorporated into the polyolefin at a temperature in the range of 90 DEG  C. to 150 DEG  C. The preferred polyolefin is low pressure polyethylene and the preferred vinyl chloride polymer is polyvinyl chloride although copolymers of vinyl chloride with vinyl esters, vinylidene chloride and acrylic, methacrylic, fumaric and maleic acid esters are also specified. It is also preferred that the vinyl chloride polymer present during the chlorination step is the same as that into which the product is mixed.
Patent GB-638664-A (GB)
Title: Recovery of antibiotic substances
IPC: C07H15/238
Filed: 1946-08-27
Abstract: Active antibiotic substances are obtained by adding phosphotungstic acid or flavianic acid to a concentrate prepared from a culture liquid containing the active principles of Actinomyces griseus, and isolating the resulting precipitate containing the active principles in concentrated form.  The concentrate may be prepared from the broth by adsorption of the active principles with charcoal, elution with a mineral acid solution, preferably an aqueous alcoholic (e.g. methanolic) solution of hydrochloric or sulphuric acid, and neutralization of the eluate, e.g. with an alkali, such as methanolic sodium hydroxide, or by treatment with an anion exchange material, such as "Amberlite IR-4" resin, or the broth may be treated with a cation exchange material (e.g. "Amberlite IR-100" resin), which is then eluted with a mineral acid and the eluate neutralized. The concentrate is advantageously subjected to a preliminary purification by precipitating the active principles with acetone and re-dissolving the precipitate in dilute acid, the precipitation preferably being performed fractionally by first adding successive small portions of acetone, removing precipitated impurities between successive additions and finally adding a relatively large amount of acetone to precipitate the active principles.  The phosphotungstate or flavinate precipitate may be decomposed with an aqueous solution of a mineral acid in the presence of an organic solvent, the resulting aqueous solution of the active principles being neutralized, e.g. by means of an anion exchange material, and the active principles separated in highly purified form.  Examples illustrate various features of the invention.  The Specification as open to inspection under Sect. 91 comprises also certain of the subsidiary steps of the above process as independent processes, and contains additional examples.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1371872-A (GB)
Title: Felting needle for needle-felt looms
IPC: D04H18/02
Filed: 1972-06-01
Abstract: 1371872 Felting needle H J SCHMAUSER 1 June 1972 [12 June 1971] 25673/72 Heading D1R A felting needle has a cross section in which the longitudinal axis is greater than the transverse axis, preferably at least 4, e.g. 5 to 7 times greater. Such needles are used to needle continuously moving webs. They are mounted in a needle board with their longitudinal axes parallel to the direction of motion of the web, thereby offering maximum resistance to bending forces and minimising the disturbance to any refinforcing warp threads. The piecing end may be tapered and may terminate in a point or in a groove. Notches and/or downwardly pointing barbs are situated on the two edges to which the longitudinal axes extend. Preferably the notches/barbs are disposed alternatively along the two edges. The sides of the needle may also carry notches/barbs, as may the sides and edges of the tapered portion. The notches/barbs may be ground, milled or stamped.
Patent GB-964930-A (GB)
Title: Improvements in or relating to trays and like open topped boxes
Inventor: BROOKES JOHN STEWART
IPC: B65D21/02
Filed: 1962-07-05
Abstract: 964,930. Trays or boxes. MONRO (GUERNSEY) Ltd., J. S. BROOKES, and F. W. W. CHANDLER. July 4, 1963 [July 5, 1962], No. 25819/62. Heading B8P. A moulded open-topped box of generally rectangular shape has upstanding corner portions 10 which are also made thicker than the sides for strengthening and a rebated bottom edge 12 which the corner portions engage when the boxes are stacked. Ventilation holes 14 may be cut in the bottom of the box. The tray may be made of compressed wood pulp, paper pulp, peat, coconut fibre, vermiculite, dehydrated seaweed, sawdust, wool fibre, powdered bone, shoddy, powdered chalk, powdered carbon, plastics, resin-impregnated glass fibre or asbestos, a binder being incorporated where necessary.
Patent GB-427770-A (GB)
Title: Improvements in and relating to centrifuge pots or buckets such as are used in the manufacture of rayon
IPC: D01D7/02
Filed: 1934-09-08
Abstract: 427,770. Spinning pots or buckets. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. Sept. 8, 1934, No. 25885. Convention date, Sept. 9, 1933. [Class 120 (ii)] [See also Group II] Centrifugal pots or buckets, such as are used in the manufacture of rayon, comprise a perforated metal shell 3, with or without reinforcing wire 5, covered with hard non-metallic material 7 such as hard rubber, baking varnish or enamel, and an outer cover 8 of textile fibres 1 preferably layers of cloth, united by an artificial resin. The hub is constituted by a metal sleeve 10 integral with the shell and coverings 11, 12 similar to the coverings 7, 8.
Patent GB-961565-A (GB)
Title: Process of and device for preparing metallic potassium
IPC: C22B26/10
Filed: 1961-07-17
Abstract: <PICT:0961565/C6-C7/1> Potassium is prepared by vacuum heating an intimate mixture of calcium carbide and a potassium halide, the mixture having a weight ratio of carbide to halide between 1:1.5 and 1:4.  The mixture may contain 0.005-10% by weight of iron as a catalyst. Tablets made from reactants are placed on the grate 2, a vacuum is applied at 10 and the device is heated in a furnace. Alkali metal halide condenses on the inside of chamber 4 and solid impurities are separated into zone 6.  The potassium condenses on the inside of vessel 7.  The device may be rotated about a shaft 8 so that loading and unloading of the reactants and products may be effected in different directions.
Patent GB-487293-A (GB)
Title: Improvements in and relating to spacebands for matrix composing and type line casting machines
IPC: B41B11/00
Filed: 1937-09-24
Abstract: 487,293. Type-bar-making machines. LINOTYPE & MACHINERY, Ltd. Sept. 24, 1937, No. 25930. Convention date, Dec. 17, 1936. Addition to 466,747. [Class 100 (iii)] Spacers.-In space bands in which the stationary member is formed in two parts, as described in the paren Specification, the parts are shaped so as to fit together in a detachable manner, the use o attaching means, such as screws or rivets, being avoided. The main part b, Fig. 2, which carries the supporting-ears c has an aperture with bevelled sides to accommodate the second part, which consists of two members d, e, Figs. 3 and 4, either integral or joined together. The member e, which forms the dovetailed guide, is passed through the aperture in the part b, so that the member d, which has bevelled edges, fits into the aperture. The movable member of the spaceband is then slipped over the dovetail e.
Patent GB-714573-A (GB)
Title: Improvements in and relating to box manufacture
IPC: B65D5/20
Filed: 1949-10-10
Abstract: 714,573. Boxes. CULLEN, CARVER & WILSHAW, Ltd., and PALMER, J. Oct 10, 1950 [Oct. 10, 1949], No. 25967/49. Class 18 To form a box or lid of which the sides all taper towards their free edges, the sides of the blank shown are doubled inwardly upon themselves along scores 4, are bent along scores 5, so that their free margins lie flat against the bottom of the box or top of the lid and are held doubled by a sheet of cardboard 10 lying on the margins, the outer part of a side. having, at each corner, a part extending between the two doubled over parts of the .adjacent side.
Patent GB-821649-A (GB)
Title: Improvements in or relating to single-anode mercury-pool cathode rectifiers
IPC: H01J13/20
Filed: 1956-08-24
Abstract: 821,649. Metal-vapour converters. LICENTIA PATENT-VERWALTUNGS G.m.b.H. Aug. 24, 1956 [Aug. 31, 1955], No. 25986/56. Class 39(1). In a single-anode mercury-pool cathode rectifier, with continuous excitation and having the mercury pool 2, Fig. 1, formed in a recess at the bottom of a metal tank 1, the anode 3 is surrounded by a protective tube 5 and the space between the lower edge of this tube and the cathode 2 is surrounded by a basket 7 formed by radially disposed metal strips. This basket 7, which is insulated from the tank 1 and cathode 2, serves as an ion absorber but does not impede the flow of de-ionised mercury vapour to the walls of the tank where it is cooled and condensed. The basket 7 may be of spherical shape to facilitate the passage of the discharge around a baffle plate 10, Fig. 3.
Patent GB-836344-A (GB)
Title: Method of making cigars, cheroots and the like, and cigars, cheroots and the like made according to this method
Inventor: TORIELLO RAFAEL CIFUENTES
IPC: A24D1/04
Filed: 1958-08-13
Abstract: 836,344. Cigars. CIFUENTES Y COMPANIA. Aug. 13, 1958, No. 26006/58. Class 130. The inner filling C of a cigar is inserted into a mouthpiece B to which a pair of wrappers E, D are adhesively secured to fix the mouthpiece to the cigar, the inner wrapper D being slightly shorter than the outer wrapper E. The outer wrapper E extends up to a bead F on the mouthpiece B.
Patent GB-1449753-A (GB)
Title: Hoses
IPC: B29C48/09
Filed: 1974-06-12
Abstract: 1449753 Nylon hose PARKER HANNIFIN CORP 12 June 1974 26061/74 Heading F2P A hose comprises a nylon core tube 10, reinforced by two nylon strands 13, 14 spirally wrapped in opposite directions around the outer surface of the core tube 10, and in such a way that substantial spaces 15, exist between individual turns of each strand and a nylon sheath 12 fitting snugly over said nylon strands 13, 14, and fused to the core tube 10 in said spaces 15. The strands 13, 14 are in unbonded contact with the core tube 10, the outer sheath 12 and each other so that they can have limited movement relative to the core tube 10, outer sheath 12 and each other. The core tube 10 and sheath 12 are preferably made from Nylon 11 and have similar melting points. The nylon reinforcing strands 13, 14 are preferably made from Nylon 66 which has a substantially higher melting point than Nylon 11. Nylon core tube 10 which has previously been extruded and stored on a reel 20, is passed through a mechanism consisting of two spools 21 and 22 which spirally wrap two nylon reinforcement strands in opposite directions around the core tube which then enters a cross head 23 from which nylon sheath 12 is extruded over the reinforcement 11 and core tube 10 under pressure and at a temperature of 230 to 260 C. The temperature at which the sheath is extruded is sufficient to soften the core tube material and effect a bond between the sheath 12 and the core tube 10 in the spaces 15 between the reinforcing strands 13, 14. After extrusion of the sheath the hose is cooled by passing through a water bath, passed through a gauging device 25, and marker 26, and then wound upon a storage rack 27. The reinforcing strands 13, 14, having a higher melting point, do not bond to the core tube 10 or the sheath 12 and thus can slip slightly relative to each other the core tube 10 and the sheath 12, when the hose is bent or flexed. In this way excessive tensile stress on the fibres of the reinforcement during such bending or flexing is avoided.
Patent GB-1440811-A (GB)
Title: Tube-expander drive apparatus
IPC: B21D39/08
Filed: 1973-05-31
Abstract: 1440811 Tube expanders FOSTER WHEELER POWER PRODUCTS Ltd 30 May 1974 [31 May 1973] 26062/73 Heading B3J The mandrel of a taper-roller tube-expander for expanding tubes 100 in a header &c. 104 is driven by a spindle 70 which is connected to the expander by a crank 73, a connecting rod 14 and a cranked ratchet head 96. Swivel links 78, 92 are disposed between the crank 73, head 96 and connecting rod which is longitudinally adjustable, and the ratchet head 96 is replaceable by one of opposite hand for withdrawing the mandrel. The spindle 70 is driven by an air motor, and a clamp for fixing it in an opening 106 comprises a block 18 with an eccentric hole 20 for the spindle, and top and bottom flanges 24, 26 extending along two sides. One or (as shown) a pair of arms 28 between the flanges 24, 26 are cammed outwardly to clamp the block in the opening by a bolt 32, Fig. 6 and Fig. 7 (not shown). A conical surface 38 on the bolthead and a similar surface 42 on the nut 40 bear against corresponding inclined surfaces 39, 41 on the arms 28 and block 18 to effect clamping, which is secured by further bolts passing through oval holes 30 in the ends of the arms. Specification 1,440,812 is referred to.
Patent GB-484778-A (GB)
Title: Improvements in and relating to cooling means for electric transformers
IPC: H01F27/14
Filed: 1937-09-27
Abstract: 484,778. Electric transformer tanks with radiator elements. BRITISH THOMSON-HOUSTON CO., Ltd. Sept. 27, 1937, No. 26149. Convention date, Sept. 26, 1936. [Class 29] A number of open-ended flat tubes 14 extend across the upper part of a transformer tank 12, from or to a manifold 20 at one or each end, and cooling-air is forced through them from a fan 18. The tubes are located so that when the liquid is hot and expanded their upper edges are below the liquid level 11. When the liquid is cool the tubes may be only partly submerged. An inert gas such as dry nitrogen occupies the space above the liquid. Specification 438,438 is referred to.
Patent GB-963476-A (GB)
Title: Improvements in or relating to freezing and ice making apparatus
Inventor: TURNER HERBERT JAMES
IPC: F25C1/08
Filed: 1960-07-27
Abstract: 963,476. Ice-making. LONDON ICE & COLD STORAGE CO. Ltd., and WARRING- TON TUBE CO. Ltd. July 27, 1961 [July 27, 1960], No. 26172/60. Heading F4H. Ice-making apparatus comprises an open tank T supported on trunnions 2 for rotation about a horizontal axis, the walls and partitions 9 of the tank being heat transfer units through which a refrigerant can flow. Two end walls and the bottom wall of the tank are formed from a single U-shaped heat transfer unit 3 and the moulds defined by the walls and partitions are tapered downwardly. Cold brine is supplied to and withdrawn from the apparatus through flexible pipes 6, 7 connected to headers 4 and 5, respectively. On completion of the freezing process hot brine is circulated through the apparatus and the tank is automatically rotated by means of an electric motor to top out the freed iceblocks. A control system may be employed to produce either single or successive batches of ice blocks. The heat transfer units are preferably of the type described in Specification 886,194 and air may be blown through the water to provide clear ice.
Patent GB-864164-A (GB)
Title: Improvements relating to detachable tops for motor cars
IPC: B60J7/08
Filed: 1959-07-31
Abstract: 864,164. Hoods for motor - vehicles. DAIMLER-BENZ A.G. July 31, 1959 [Aug. 1, 1958], No. 26308/59. Class 108(1). A detachable hard top for a motor car consists of two units only, the rear window pane and window frame forming one separate structural unit, while the rest of the top comprising the roof and lateral roof supports forms the other such separate structural unit. Pins 17 engage in spherical sockets in the door pillars, and pins at the front end of the window frame part 13 engage in hinges of a cover enclosing a space for receiving a folding hood. Ventilating openings are provided beneath the rear overhang of the roof.
Patent GB-1298544-A (GB)
Title: Method of preparing metal-containing polymers
Inventor: NANNELLI PIERO LUIGI
IPC: C08G79/14
Filed: 1971-04-19
Abstract: 1298544 Metal-containing polymers PENNWALT CORP 19 April 1971 [7 April 1970] 26348/71 Heading C3R [Also in Division C2] A polymer having a repeating unit is prepared by reacting in an aqueous medium chromium (III) hydroxide with one or more substituted phosphinic acids of formula R 1 R 2 P(O)OH and/or R 3 R 4 P(O)OH, where R 1 - R4 are the same or different and each represents an alkyl, aryl, alkoxy or aryloxy group. Preferably the reaction medium is a water and tetrahydrofuran mixture and the reaction is preferably carried out at 50-100 C. for 30-90 minutes. Polymers having molecular weights ranging from 2000-100,000 are obtained. Polymers are prepared in which (i) R 1 -R 4  are phenyl, (ii) R 1 , R 3  = CH 3 , R 2 , R 4  = phenyl, (iii) R 1 -R 4  = octyl, (iv) R 1  = CH 3 , R 2  = phenyl, R 3 , R 4  = octyl.
Patent GB-926208-A (GB)
Title: Improvements relating to rotary-piston engines
IPC: F01C19/10
Filed: 1961-07-20
Abstract: 926,208. Rotary l.C. engines. DAIMLERBENZ A.G. July 20, 1961 [July 30, 1960], No. 26362/61. Class 110 (2). In a rotary internal combustion engine of the trochoidal casing type, inward radial movement of the sealing strips 5 located in the apices of the rotor is restricted by hydraulic damping means. In the embodiment shown, two rods 11 abut the underside of each sealing strip, each rod being fixed to a piston 10 slidably mounted in a cylinder. The cylinder is provided with openings 15, 16 for the escape of the hydraulic fluid and air, respectively. Oil is pumped into the cavities 8 and leaves by the passage 20, and serves as hydraulic fluid as well as coolant and lubricant. In another embodiment (Fig. 2, not shown), both pistons are in the same axially disposed cylinder, each piston being connected to a rod by a bellcrank.
Patent GB-1511251-A (GB)
Title: Sling assembly
IPC: B66C1/18
Filed: 1975-06-12
Abstract: 1511251 Double buckles for slings FISONS Ltd 12 June 1975 [14 June 1974] 26388/74 Addition to 1409243 Heading E2A [Also in Division B8] A self-locking buckle assembly comprising two rectangular rings 5, 6 having sliding crossbars 8 and joined by a pivot e.g. a tube 7, enjoins a sling for lifting loads, the sling comprising a lifting loop 4 fixedly attached to a central portion of a web 1, which is looped over the pivot. The web has free ends 2, 3 threaded as shown whereby the size of each loop of the web is adjustable to accommodate varying loads. The web 1 may be threaded through and around a pallet having a central aperture and load bearing portions D, E. Alternatively the lower portion of each loop may be expanded to form a cradle, Fig. 3 (not shown). A pair of buckle/sling combinations may be arranged in a cruciform manner to lift suitable loads.