baber/WOPTO huggingface dataset:
Patent GB-129962-A (GB)
Title: Improvements in Apparatus for the Heat Treatment of Chemical Compounds and Method for the Operation thereof.
Inventor: GOVERS FRANCIS XAVIER
IPC: F28G1/12
Filed: 1918-11-22
Abstract: 129,962. Govers, F. X. July 18, 1918, [Convention date]. Cleaning internally, non-rotary appliances for. -In apparatus for cracking oils, and other apparatus in which liquids are forced under pressure through heated tubes, the tubes are kept clear of incrustation by balls which are carried through them by the current of liquid. Fig. 1 shows an apparatus for cracking oils comprising a tubular heater 2 and condenser 4 which are kept clear in this way. The balls are fed into the tube from a receptacle 7, above and below the bottom of which are arranged disks 19, 20, Fig. 2, on a rotating shaft 25. Openings 21, 22 are formed in the disks 19, 20 and so arranged that the balls pass one by one through these openings and a corresponding opening in the bottom of the receptacle 7 as the diske rotate. The balls, after passing through the heater and condenser, enter a receptacle 14 provided with sliding doors whereby it can be cut off from the rest of the apparatus and emptied. The balls may be made of substances having any catalytic action which may be required for the process which is being carried out.
Patent GB-744856-A (GB)
Title: Means for supplying cooling air to the roots of turbine rotor blades
Inventor: RAINBOW HORACE SINCLAIR
IPC: F01D5/08
Filed: 1953-07-11
Abstract: 744,856. Gas turbine rotors. ARMSTRONG SIDDELEY MOTORS. Ltd. June 21, 1954 [July 11, 1953], No. 19298/53. Class 110(3) In a gas turbine engine in which blades are mounted in the turbine rotor disc by means of fir-tree type roots, side cheeks are provided to form air chambers at the sides of the disc. Cooling air is supplied to the chambers which are closed in the radially-outward direction by the side cheeks. The rotor disc 12 is provided with two annular side cheeks 19, 20 which form annular air chambers 30 at each side of the disc. One cheek 19 is formed integrally with a diaphragm-like member 14 which is spaced from the disc 12 to form an annular air supply passage 17 to which air is supplied from a passage 16 around the shaft. The diaphragm 14 is formed with spaced bosses 26 which contact the rotor disc. The cheek plate 20 is also formed with bosses 27 and the diaphragm 14 and cheeks. 19 and 20 are connected to the rotor disc by means of bolts 29 passing through holes in the bosses 26, 27 and in the disc. Cooling air supplied through the passage 17 passes through radial passages 32 between the bosses 26 to the air chamber 30. Some of the air passing through the passages 32 passes through holes 33 in the rotor disc to radial passages 34 between the bosses 27 and so to the air chamber 30 on the other side of the disc. The outer edges of the cheek plates 19, 20 engage the sides of the rotor disc and the ends of the blade roots, thereby closing the air chambers and also preventing endwise movement of the blades.
Patent GB-193996-A (GB)
Abstract: 193,996. Lewis, H. Dec. 8, 1921. Interrupters, mechanical; contacts.-In order to overcome the difficulty of adjusting the contacts of a magneto contact breaker while in situ, a disc-like member is provided to enable the contact breaker and its cam casing to be correctly positioned while these parts are removed from the magneto, so that the contacts may be adjusted before the contact breaker is replaced on the armature spindle. The disc 6 is capable of being mounted in the cam casing, Figs. 1 and 3 to act as a jig, and place the contact breaker 8 in its correct position relative to the cams 13, At the centre of the disc 6 is an annular projection 9 with a taper hole for the accommodation of the tubular boss 10 of the contact breaker 8, the base-plate of which fits within a recess in the disc formed in an annular flange 11, a further annular projection 12 acting as an axial distance piece. The timing lever for the contact breaker is made integral with an annular sleeve or car rier which can be clamped around the cam case 7 when the latter is replaced in the magneto.
Patent GB-568493-A (GB)
Title: Improvements in mechanical hammers and other percussion tools
IPC: B25D11/12
Filed: 1943-11-19
Abstract: 568,493. Percussive tools. FEUERHEERD, E. M. Nov. 19, 1943, No. 19406. [Class 124] [Also in Group XXVI] In a mechanical hammer or other percussive tool comprising a power-driven eccentric shaft 19 journalled in a body 10 to cause relative reciprocation between the body and an impacting member 36 which abuts an impacted member 29 slidably mounted in the body, a fly-wheel 18 is rigid with the shaft 19 and a torsionally resilient coupling 23 is connected between the shaft and a driving motor 21 which may be mounted on the body 10. There may be two symmetrically disposed flywheels, and the electric motor may be counterbalanced by a block 9. Use may be made of a variable speed motor, or of a constant speed motor provided with a change-speed gear. The impacted member 29 slides in a bore 22 and comprises a hardened steel plug 32 and a cylindrical cup portion to operate as. a stakecap. It is surrounded by a sleeve 30 with radial screws 35 to engage the sides of a stake. The sleeve may be telescopic, or it may carry a stepped adaptor to receive stakes of larger cross - sectional dimensions. The impacting member 36 comprises a strut with a cross-pin 37 guided in slots 38, its lower end passing through an aperture 39 in the body 10 and terminating in a renewable hardened steel hammer head 40 operating in a counterbore 34 in the impacted member 29. An eccentric portion 44 of the shaft 19 is surrounded by a sleeve 43 rigid with a flanged drum 45 carrying locking screws 47 which bear on a flange 46 keyed to the shaft. For adjusting the eccentric whilst the tool is running, a hand wheel 68, Fig. 4, displaces a yoke 65 and thereby a ring 60 provided with helical grooves 63, 61 cooperating with helical splines 59, 58 of opposite hand formed on the shaft 19A and sleeve 56, respectively, the sleeve 56 having a key 57 to engage a keyway 55 in the eccentric bush 54. In a modification, rectilinear motion of the strut is provided by connecting it to the eccentric portion by means of a slide block. The Provisional Specification refers to Specification 547,348, and describes the use of two electric motors, and a different method of adjusting the eccentric whilst the tool is running.
Patent GB-711615-A (GB)
Title: Stabilised sodium aluminate
Inventor: COATES KENNETH BERNARD
IPC: C01F7/04
Filed: 1951-08-17
Abstract: Mannitol or sorbitol is added to substantially anhydrous sodium aluminate containing from 1.2 to 1.4 mols. of Na2O per mol. of Al2O3 and a trace of iron oxide as impurity in an amount sufficient to prevent precipitation of the iron oxide on dissolution in water.  The preferred composition comprises 1/4 -2\ba1/2 per cent. by weight of mannitol or sorbitol, and a sequestering agent, preferably disodium ethylene-diamine tetra-acetate may be added, e.g. to the extent of 1/2 -3 per cent. by weight, to prevent precipitation of calcium or magnesium, if present in the water used.  In the example, 1 part by weight of mannitol is thoroughly mixed for 15 mins. with 100 parts of a sodium aluminate containing 1.3 mols. of Na2O per mol. of Al2O3 and 0.05 per cent. of Fe2O3, in a blade mixer.ALSO:A sequestering agent, preferably disodium ethylene diamine tetra-acetate, is incorporated with sodium aluminate stabilized against precipitation of iron with mannitol or sorbitol, to prevent precipitation of calcium or magnesium if hard water is used for dissolving.  Five per cent by weight of disodium ethylene diamine tetraacetate are stated to produce a clear solution in a water of 200 p.p.m. hardness in terms of calcium carbonate and compositions containing 1/2 -3 per cent by weight are referred to.
Patent GB-1174517-A (GB)
Title: Gripping Device with Variable Wedge Angle.
IPC: C07C37/16
Filed: 1968-04-25
Abstract: 1,174,517. Stretching. BALDWIN-LIMAHAMILTON CORP. 25 April, 1968 [25 April, 1967], No. 19537/68. Heading B3E. A stretch-straightener 10 comprises a pair of opposed gripper head assemblies 14, 16, the gripper head assembly 16 being movable away from the other to stretch the workpiece and a gripper on at least one of the assemblies comprises a pair of juxtaposed converging surfaces 38, 40 (Fig. 4) to which are keyed tapered wear plates 42, 44 respectively on which are slidably mounted a second set of oppositely tapered wear plates 50, 52 secured to the gripper jaws 32, 34 respectively and means coupled to the jaws position the wear plates to provide different angles of approach for the jaws. The wear plates may also be reversed to alter the wedging angle. The gripper head assembly 16 has flanges 20 slidable along guides 24 (Fig. 3) provided with strips 26 to prevent canting. The grippers comprise a wide lower jaw 34 and a series of narrower upper jaws 32 actuated by individual actuators 58 mounted on the gripper head assembly through resilient damper links 62. The lower jaw 34 is moved by a pair of spaced actuators 68 acting through damper links 70.
Patent GB-1368040-A (GB)
Title: Rod rolling mills
IPC: B21C47/34
Filed: 1972-04-27
Abstract: 1368040 Rolling mills MORGAN CONSTRUCTION CO 27 April 1972 [29 April 1971] 19550/72 Heading B3M A guide assembly, for changing the direction of hot metal rods between a rolling mill and a coiler, includes a main pulley 1 (Fig. 1) and a number of small rollers 7 spaced around part of the periphery of the pulley, the rods being guided between grooved surfaces on the pulley and rollers. Two sets of grooves of different size (Fig. 2) may be provided in both the pulley and rollers, or the pulley may have a single groove and be axially movable to suitably align the groove with one of the grooves in the rollers. The pulley is driven by an electric motor and serves to drive the rollers which are spring- urged against its periphery. The rollers are carried in a frame 2 pivoted at 3 for movement away from the pulley, and are each carried in a housing 6. The housing is pivoted at 8 to the frame, and biased by an adjustable spring 9 towards the pulley. Guides 10 extend between the walls of the frame and are positioned between adjacent rollers. Alternatively, guide shoes (Fig. 7, not shown) may be carried by the housing 6. In an alternative embodiment, Fig. 5, the rollers are supported between the links 31 of a chain assembly, the lower end of the assembly being laterally adjustable, and the upper end being tensioned by a spring-loaded lever 40 to press the rollers against the pulley. The periphery of the pulley may be modified by having pivoted segments 53 attached to its rim, the segments being urged outwards by centrifugal force against limit stops. The segments may be formed from cemented carbide. Similarly, the rollers or their rims may be of cemented carbide. The spindles of the rollers may be used to supply mist lubrication and air cooling to the rollers. Where the pulley and roller have two sets of grooves in their periphery, a switch guide is used for directing the rod to one or other set of grooves.
Patent GB-391338-A (GB)
Title: Improvements in syphon-discharge water-waste-preventers
IPC: E03D1/12
Filed: 1932-07-11
Abstract: 391,338. Siphon-discharge waterwaste-preventers. CALAFELL, I. M. A., 131, Calle Balmes, Barcelona, Spain. July 11, 1932, No. 19571. Convention date, July 11, 1931. [Class 26.] A water-waste-preventer having a double siphon is discharged when the air in a chamber 12 is heated to break liquid seals 9, 10, and thus to place the air trapped in the first bend of the siphon in communication with the atmosphere. In the form shown, the air is heated electrically on the operation of a push-button. In another form, the chamber 12 is interposed directly between the seals.
Patent GB-1294112-A (GB)
Title: Full wave rectifier assemblies
Inventor: CROSS DENNIS ROWLAND
IPC: H02K19/36
Filed: 1969-04-17
Abstract: 1294112 Rectifier assemblies JOSEPH LUCAS (INDUSTRIES) Ltd 23 March 1970 [17 April 1969] 19578/69 Heading H1K A full-wave rectifier assembly in which two groups of diodes are mounted on respective mutually isolated terminal plates 31, 32, a number of mutually isolated phase plates such as 42 equal to the number of phases in the A.C. supply being rectified is formed by dividing a single original plate around part of which has been moulded an insulating body 27 used to support the phase plates relative to a support bolt 21, which also supports the terminal plates 31, 32. Leads interconnect the free terminals of the diodes on the terminal plates with the corresponding phase plates. In the arrangement shown additional diodes are provided on a subsidiary terminal plate 33 which, when the assembly is in use in a road vehicle, supplies an output for operating an indicator lamp. Each phase plate such as 42 may have separate fingers (42a, 42b, 42c), Fig. 3 (not shown), to which different diodes are connected by leads, thereby minimizing the risk of leads snapping due to vibration in use.
Patent GB-793558-A (GB)
Title: Improvements in or relating to tetracycline preparations
IPC: A61K31/65
Filed: 1955-07-07
Abstract: Mineral and strong organic acid addition salts of tetracycline or chlortetracycline are prepared by dissolving the amphoteric antibiotic in methyl "Cellosolve" (Registered Trade Mark), and adding one equivalent of the acid dissolved in water.  Specified are salts with hydrochloric, hydrobromic, hydriodic, sulphuric and nitric acids.ALSO:A therapeutically effective composition useful for the preparation of intramuscularly injectable liquid preparations comprises a mixture of an acid addition salt of tetracycline or chlortetracycline (see Group IV (b)) and magnesium chloride.  It is preferred to use two molecules of magnesium chloride to one molecule of the antibiotic.  Specified acid addition salts are the hydrochloride, hydrobromide, hydroiodide, sulphate and nitrate. The injectable vehicle may be water, propylene glycol or oils such as sesame and peanut oils.  Optional ingredients for aqueous injections are (a) a non-toxic, water-soluble organic acid, e.g. citric, gluconic, lactic, ascorbic, maleic, malic, malonic and nicotinic acids, an hydroxy acid, or a compound which on addition of water forms such an acid, e.g. glucurono-lactone; and (b) a water-soluble local anaesthetic, e.g. procaine hydrochloride and other dialkylamino alkanol esters of p-aminobenzoic acid.
Patent GB-853426-A (GB)
Title: Improvements in means for supporting insulation and like boards
Inventor: HODGSON JOHN RAY
IPC: E04B9/24
Filed: 1958-06-19
Abstract: 853,426. Supporting ceiling &c. boards. HODGSON & BOYES Ltd. March 11, 1959 [June 19, 1958], No. 19685/58. Class 20(4) Support means for insulation &c. boards comprises, an angle- or T-section member of which one flange or the leg 18 respectively has an enlarged (e.g. bulbous) free edge 19, and at least one spring clip having a loop 13 of U-shape comprising a curved base and two limbs the open mouth of which loop may be sprung over the said enlarged free edge, and clip having at least one arm 14 which forms an extension from one limb of the loop 13 and curves away from the loop 13 to seat with its convex face on the board 16 so as to hold the board 16 in place against a supporting flange 17 of the angle- or T-section member, the clip having at least one tongue 15 which projects inwardly towards the base of the loop 13 to engage the underside of the enlargement 19. The curve of the or each arm 14 is continued beyond the position of contact with the board to terminate beyond the flange 17. The or each arm 14 may have a slot 20 at its position of contact with the board 16. The underside of the enlargement 19 may be flattened and oblique to the flange or leg 18 of the support member. The flange or leg 18 may be of relatively soft material whilst the or each tongue 15 is of harder material. Lengths of support member may be joined together by a spring clip 21.
Patent GB-1243695-A (GB)
Title: Improvements in or relating to lincomycin derivatives and the manufacture thereof
IPC: C07H15/16
Filed: 1969-04-17
Abstract: 1,243,695. Lincomycin sulphoxides. UPJOHN CO. 17 April, 1969 [7 May, 1968], No. 19743/69. Heading C2C. 7 Halo-7-deoxylincomycin sulphoxides having the Formula I:- wherein Ac is hydrogen or a basic acyl group, R is a radical which when attached to SH gives a mercaptan, Halo is Cl, Br or I and R 4  is hydrogen or an ester- or ether-forming group, are prepared by sulphoxidizing in neutral aqueous solution a compound of Formula II:- in which Ac, R and R 4  are as above and X is OH, Cl, Br or I, and when X is OH, replacing it with Cl, Br or I. The sulphoxidation is effected with H 2 0 2 , a peroxy acid or MnO 2 . OH may be replaced by halogen by heating the compound with a Rydon reagent, or in the case of chlorine, by heating with thionyl chloride. Preferred basic acyl group Ac are those of a 4-substituted- L-2-pyrrolidinecarboxylic acids of Formula (A) wherein R 1  and R 2  are C 1- C 20  alkylidene, C 3 -C 8  cycloalkylidene or up to C 12  aralkylidene, and R 3  is hydrogen or HR 2 . Novel 7-halo-7-deoxylincomycin sulphoxides having the Formula I above wherein Halo and R 4  are as defined above, R is C 1 -C 20  alkyl, C 3- C 8  cycloalkyl or up to C 12  aralkyl, R 4  is hydrogen and Ac is hydrogen or an acyl group of an acid of Formula (A) or (B) above, are 'prepared (1) by the process described above or (2) when Ac is the said acyl group, by acylating a corresponding compound of Formula I in which Ac is hydrogen with an acid of Formula (A) or (B). Pharmaceutical compositions having antibacterial activity against Gram-positive microorganisms comprise a novel 7-halo-7-deoxylincomycin sulphoxide as defined above together with a pharmaceutically acceptable carrier.
Patent GB-238243-A (GB)
Title: Improvements in tensioning devices for artists' canvases, tapestries and the like
IPC: B44D3/18
Filed: 1925-08-06
Abstract: 238,243. Elbern, A. Aug. 9, 1924, [Convention date]. Addition to 230,094. No Patent granted (Sealing fee not paid). Sewing, work-holders for.-The angle-pieces a described in the parent Specification are provided with an underpiece b or a strip, forming a shield to prevent the screw bolts f from entering the. wood of the frame.
Patent GB-166898-A (GB)
Title: Adjusting device for electric meters, measuring apparatus and other similar apparatus
IPC: G01R11/36
Filed: 1921-07-23
Abstract: 166,898. New Antwerp Telephone & Electrical Works. July 24, 1920, [Convention date]. Alternating-current induction machines. - In electric meters and other apparatus working on the Ferraris principle having a core comprising three arms, carrying a voltage coil and a short circuit ring on the centre arm, and current coils on the outer arms. and having a plate which is a good electrical conductor displaceable parallel to the plane of the armature for adjusting the starting torque, the plate 16 is rectangular and is guided for sliding movement, and is of such dimensions that it is traversed solely by the flux produced by the voltage coil. For adjusting the position of the plate a vertical limb is slotted for the passage of fixing-screws 18.
Patent GB-403156-A (GB)
Title: Improvements in detachable cooling hoppers for internal combustion engines
IPC: F01P11/02
Filed: 1932-07-14
Abstract: 403,156. Cooling cylinders. HAMMOND, E. V., 88, Louisville Road, Balham, London. July 14, 1932, No. 19942. [Classes 7 (ii) and 7 (iii).] In a cylinder cooling-arrangement, in which a cooling-liquid tank a is mounted directly above the cylinder jacket e, the tank is detachable, and has incorporated with it, a tank h for lubricating oil, and a tank k for liquid fuel, or one of those tanks alone. The tank a is supported on a tubular member b, which is strengthened by cooling fins c, and extends into the tank to facilitate circulation of the cooling fluid which passes through it and returns by a flexible pipe f. An air space l is provided between the tanks h, k to prevent the fuel from getting too hot. The tank a may be circular or oval and the tank h, which may or may not be integral therewith as shown, may be formed as a jacket entirely or partially surrounding the tank a. In a Diesel engine the tank h may be the heavy fuel oil tank. Specification 108,769, [Class 7 (ii), Internal-combustion engines, Arrangement &c. of], is referred to.
Patent GB-716193-A (GB)
Title: Magnetic sound recording apparatus
IPC: G11B25/00
Filed: 1951-08-24
Abstract: 716,193. Sound receiving or transmitting devices. LOEWE, S. Aug. 24, 1951 [Aug. 29, 1950], No. 19965/51. Class.40 (4) [Also in Groups XXXII and XXXVIII] The microphone 10 and the loudspeaker, which has a permanent magnet 11 of a magnetic recording and reproducing apparatus are mounted in the steering &c. column of a vehicle.
Patent GB-531020-A (GB)
Title: Improvements in or relating to combined washing and wringing machine
IPC: D06F45/16
Filed: 1939-07-08
Abstract: 531,020. Combined washing and wringing machines. DEAN, W., and DEAN & SON, Ltd., W. H. July 8, 1939, No. 19987. Addition to 510,858. [Class 138 (ii)] The combined washing and wringing machine of the parent Specification wherein the wringer is adapted to fold down from an operative position to an inoperative position over the washing machine, and is held in operative position by pivoted gravity catches engaging abutments or pins in recesses in the feet of the wringer, is so constructed that the recesses 18 in the feet open downwardly and the catches 16 extend upwardly through apertures 26 in the top plate 3 of the washing machine which has thickened parts 9 with discs 27 over which the recessed feet engage so as to prevent liquid passing into the apertures.
Patent GB-298713-A (GB)
Title: Improvements in or relating to flooring and like coverings
IPC: B60N3/04
Filed: 1927-07-28
Abstract: 298,713. England, E. C. G., and England, Ltd., G. July 28, 1927. Bodies. - A flooring for road vehicles, aircraft and for general purposes comprises a basis of sheet metal having on one or both sides a tread surface covering composition of granulated cork. The sheet metal 1 is preferably sheet aluminium or aluminium alloy and is corrugated, or indented in various ways as shown at 2. The material 3, which is preferably laid on in plastic form, is of such a thickness that its surface is above that of the corrugations, &c. The flooring may be moulded with the sheet metal embedded therein, the ends of the sheet metal being turned up and over the covering as shown at 4, 5, Fig. 1.
Patent GB-391097-A (GB)
Title: Improvements in or relating to flat knitted full fashioned stockings and the production thereof
IPC: D04B11/06
Filed: 1931-07-14
Abstract: 391,097. Knitting. SALLE HOSIERY CO., Hasbrook Avenue, Cheltenham, Philadelphia, U.S.A. - (Assignees of Carmer, D. M. ; Hasbrook Avenue, Cheltenham, Philadelphia, U.S.A.) July 14, 1931, No. 20266. Convention date, Aug. 2, 1930. Void [Published under Sect. 91 of the Acts]. [Class 74 (ii).] In knitting full-fashioned stockings the transfer points 12 are moved inwardly to the extent of one needle or wale at each course or narrowing operation, and the stops 24, 28 for the thread-guide carrier are moved inwardly two needle spaces or wales at each second course or operation.
Patent GB-268715-A (GB)
Title: Improvements in means for operating the rakes of cooling beds
IPC: B21B43/02
Filed: 1926-08-17
Abstract: 268,715. Kalker Maschinenfabrik Akt.-Ges., and Kugel, E. April 3, 1926, [Convention date]. Ratchet and like step-by-tep conveyers.-In cooling beds which are used also for transporting the hot material from the rolling pass, the movement of the carrying racks f is produced by a series of pairs of eccentrics, cranks, cams, &c. b, c mounted on a shaft a. The strap of each eccentric &c. b, c, mounted on a shaft a. The strap of each eccentric &c. is connected at g to the racks f, and each eccentric &c. c is connected by a rod h, to a bell-crank lever l carrying a roller n which bears against the underside of the racks.