baber/WOPTO huggingface dataset:
Patent GB-1145730-A (GB)
Title: Pyrazino[2,3-6]pyrazine derivatives
IPC: C07D487/04
Filed: 1968-02-13
Abstract: 1,145,730. 6-Halo- and 6,7-dihalo-2,3-dihydroxy - pyrazino[2,3-6]pyrazines. SOC. FARMACEUTICI ITALIA. 13 Feb., 1968 [15 Feb., 1967], No. 7063/68. Heading C2C. Novel 6-halo- and 6,7-dihalo-2,3-dihydroxypyrazino-[2,3-6]- pyrazines of the general formula wherein X is a chlorine or bromine atom and R is a hydrogen, chlorine or bromine atom, are prepared by reaction of the corresponding 5- halo- or 5,6-dihalo-2,3-diaminopyrazine with a dialkyl oxalate, preferably in the presence of a condensing agent, such as an alkali metal alcoholate. Pharmaceutical compositions having antiviral activity comprise as active ingredient one or more 6-halo- or 6,7-dihalo-2,3-dihydroxypyrazino[2,3-6]pyrazines of the general formula above in admixture with a therapeutically acceptable diluent or carrier.
Patent GB-501180-A (GB)
Title: Improvements in or relating to flow control devices particularly for water softeningapparatus
IPC: C02F1/42
Filed: 1938-03-07
Abstract: 501,180. Multiple-way valves. ELECTROLUX, Ltd. (Bengtsson, A. E.) March 7, 1938, No. 7092. [Class 135] [Also in Group I] A valve applicable for use in water-softening ur water-filtering apparatus comprises a casing with at least two spigots for the attachment of water flow conduits, and with a union for securing the casing detachably to a water supply tap, a water-delivery orifice, and a movable valve element in the casing which controls the supply of liquid to either one of the two spigots and the withdrawal of liquid from the other spigot or alternatively closes both spigots and allows direct communication between the union and the delivery orifice. In the construction shown, a valve casing 10 provided with a tapered bore 11 and two spigot members 12, 13 is detachably secured to a water tap 17 by means of a union 15 and a split ring 16. The members 12, 13 are adapted to be connected by flexible hoses 23, 24 to the inlet and outlet, respectively, of a watersoftening apparatus 27. A tapered plug valve 19 formed with channels is mounted within the bore 11 and is rotatable through 180‹ by means of an actuating member 28. With the valve in the position shown in Fig. 1, hard water from the tap 17 flows into the softening apparatus, and the softened water flows out through the outlet 21. When the valve is rotated through 90‹, hard water flows through the outlet 21 by way of a recess 18 in the casing 10, as shown in Fig. 2. On rotation of the valve through a further 90‹, the hard water flows through the softener in the opposite direction to the normal, issuing finally from the outlet 21.
Patent GB-833621-A (GB)
Title: Improvements in the manufacture of pure silicon
Inventor: MACPHEE MALCOLM
IPC: C01B33/033
Filed: 1958-03-12
Abstract: <PICT:0833621/III/1> The vapour phase reaction of Zn and SiCl4 to produce pure Si is carried out in an apparatus comprising a cylindrical reaction vessel capable of being heated to 1000-1100 DEG C., having inlets at one end for the Zn and SiCl4 vapours, running parallel to one another and to the longitudinal axis of the vessel, and a baffle situated in the hottest zone of the vessel to deflect the vapours against the walls thereof.  The reaction vessel 1 is heated in an electrical furnace 5 and carries inlets 2 and 3 for the SiCl4 and Zn vapours connected by convoluted tubing to boilers 9 and 14.  Baffle 18 positioned in the hottest zone of reactor 1 deflects entering vapours against the walls thereof. Boiler 9 and convoluted tubing connecting it to inlet 3 are heated in a furnace 10.  Tube 15 carries manometer 16 filled with liquid SiCl4 which also acts as a pressure-controlled reservoir, and passes through furnace 10 before connecting boiler 14 to inlet 2.  The outlet end of reactor 1, heated by 8 to prevent deposition of ZnCl2, communicates with ZnCl2 condenser chamber 19.  The lower end 21 of vessel 19 is heated in a waterbath 22, thereby maintaining a suitable temperature within 19 to prevent deposition of SiCl4, the vapour of which passes through heated conduit 24 and condenses in watercooled condenser 25 provided at its lower end with a collector 28 and vapour trap 29. Water from 25 is circulated through a constant levelling device to water bath 22.  The whole system is dried by flushing with dry air through inlets 12, manometer 16 being empty and boiler 14 removed. 14 is filled with SiCl4 and is connected to 15.  The temperatures of furnaces 5 and 10 are increased and the apparatus flushed with N2 and then swept with a stream of purified argon.  The temperatures of 1 and 9 are increased rapidly by 5 and 10 to 1020 DEG  C. and 1050 DEG C. respectively.  Boiler 9 is filled with molten zinc through 31 and trap 11 and the apparatus swept with SiCl4 vapour produced by heating liquid SiCl4 in 14, the flow being so controlled that an excess of that required for the reaction with the Zn passes through 1.  Tube 16 is plugged at 17 and fills with condensed liquid SiCl4 which acts as a manometer/reservoir, the plug then being removed.  Zinc in 9 is boiled and the boiling rate controlled by maintenance of a temperature of 1050 DEG  C.  The SiCl4 and Zn vapours enter 1 by inlets 2 and 3 and are directed, by baffle 18, on to the hot walls, maintained at 1000-1100 DEG  C., preferably 1020 DEG  C., by furnace 5.  The reaction completed, pure Si is deposited on the walls of the reactor and ZnCl2 and residual SiCl4 vapour pass through the heated outlet into 19 where ZnCl2 is condensed on the baffle-plate 20. SiCl4 vapour passes through 24 to be condensed in 25 and is collected in receiver 28.
Patent GB-1217886-A (GB)
Title: Gas conditioner
IPC: B01D47/02
Filed: 1968-02-14
Abstract: 1,217,886. Purifying gases. E.M. BALDWIN & SONS PTY. Ltd. 14 Feb., 1968 [17 Feb., 1967], No. 7244/68. Heading B1R. In an apparatus for purifying exhaust gases, the gases enter a duct 14 and are passed from a distributing chamber 16 through nozzes 18 into the lower ends of tubes 11 arranged in rows and with their lower ends immersed in water, a mixture of gas and water passes up the tubes and is deflected downwardly by an inverted channel-sectioned baffle 20 to separate gas and liquid. Purified gas exits at 21 and a port 23 balances the pressure in duct 14 with the pressure in the chamber containing the tubes 11. Some liquid entrained by the rising gas may be deflected by baffles 24 and 22 into the duct 14 and the incoming gas.
Patent GB-631818-A (GB)
Title: Improvements in or relating to rotary drive bushings
IPC: E21B3/04
Filed: 1947-03-17
Abstract: 631,818. Well-drilling. BETHLEHEM SUPPLY CO. March 17, 1947, No. 7293. Convention date, Oct. 6, 1945. [Class 85] [Also in Group XXIV] A rotary drive bushing adapted to drivingly connect the rotary table 2, Figs. 1 and 2, of a well drilling plant to a non-circular drilling shaft whilst allowing the shaft to slide freely axially relative to the table, comprises a driving housing 10 having upper and lower portions 11, 12 which are fastened together to clamp between them a plurality of externally-tapered vertical liner segments 20 embracing the shaft. As shown, the portions 11, 12 have mating flanges 14 of square section bolted together and seating in a adaptor 4 in the table 2. The two portions of the housing may be identical to allow reversal thereof, or the upper half may be of convex shape. Four liners 20 are provided to co-act with a square-sectioned drilling shaft, each liner having a lug 18 engaging a recess 15 in the housing, which may be provided jointly by the portions 11, 12 as shown or may be wholly in the lower portion 12, which may then act as a slip bowl on removal of the upper portion. The two portions may have a registering lip and recess, and their connecting bolts may be replaced by studs which may screw into either flange. The liners may be solid or recessed as shown for lightness, and may have replaceable wear plates 40, Fig. 6 and upper and lower locating lips 45. Recessed liners may be of steel and wear plates and solid liners of manganese bronze, or a suitable non-metallic material, such as a chemically treated wood or fibre composition or a hard " plastic " material, particularly a natural or synthetic organic material derived by polymerization or chemical condensation from cellulose, proteins or rubber.
Patent GB-194730-A (GB)
Title: Improvements in filters
IPC: B01D46/24
Filed: 1923-03-13
Abstract: 194,730. riechter, L. B. March 13, 1922, [Convention date]. Filtering.-A filter comprises a vertical annular wall of granular material which is constantly or periodically removed at the unenclosed parts to allow fresh material to fall into place. The filtering material 4, Fig. 1, is fed by a worm 12 to the annular space between two perforated walls, the inner of which is kept clean by a revolving brush 7. Beneath the lower edge of the inner wall it rests by its own friction on a plate. Stirrer arms 10 level the material fed in at the top, and arms 11 periodically remove the material escaping below the inner wall, and feed it to a sieve 14 on which it is cleaned, being afterwards carried to the top by a conveyer 15. The Specification as open to inspection under Sect. 91 (3) (a) also describes a modification, shown in Fig. 3 (Cancelled), in which the inner vertical wall is formed by a series of horizontal rings 17 on which the escaping material rests and from which it is removed by arms 20. At the bottom, the material rests on a plate 21, and is removed by arms 24, 25. Both walls may be formed of series of horizontal rings, or of short concentric vertical rings giving a conical filter. The removal of the filtering material may be effected by an air blast in place of the stirring arms. This subject-matter does not appear in the Specification as accepted.
Patent GB-231658-A (GB)
Title: An improved holder for pads or sheets of paper
IPC: B42D5/00
Filed: 1924-03-22
Abstract: 231,658. Tiptaft, Ltd., and Tiptaft, N. March 22, 1924. Post and like files; locks and fastenings.-A holder for pads or sheets of paper comprises a back plate 1 provided with two vertical tubular sockets 3 to engage with holes in the sheets, and a completely separable holder strip 6 carrying two rotatable headed plugs 7, which engage the sockets 3 by a bayonet connection. A spring 5 is fixed in the bottom of the socket 3, and the top of the socket is cut with L-shaped slots to be engaged by projections 8 on the plug 7. The projections 8 may be detachably fixed in a hole in the plug, so that the plug can be removed from the strip 6.
Patent GB-1005005-A (GB)
Title: Improvements in cranes
Inventor: JONES JOHN IVOR
IPC: B66C23/34
Filed: 1962-04-04
Abstract: 1,005,005. Collapsible tower cranes. KOEHRING CO. April 4, 1962, No. 7381/64. Heading B8B. The description and drawings are identical with those of Specification 1,005,003 but the claims are different.
Patent GB-1331738-A (GB)
Title: Quaternary thenyl ammonium salts
IPC: C07D333/38
Filed: 1972-02-17
Abstract: 1331738 Quaternary thenyl ammonium salts BAYCHEM CORP 17 Feb 1972 [17 Feb 1971] 7433/72 Heading C2C Novel quaternary thenyl ammonium salts having the general formula wherein R<SP>1</SP>, R<SP>2</SP> and one Q is hydrogen, halogen, alkyl, cyano, alkoxycarbonyl or nitro, and the other Q is a group of the formula wherein R<SP>4</SP>, R<SP>5</SP> and R<SP>6</SP> are alkyl, alkenyl, alkynyl, substituted alkyl, cycloalkyl, heterocyclic, aryl or substituted aryl, or R<SP>4</SP> and R<SP>5</SP> together with the nitrogen atom form a heterocyclic radical, and X is an anion, are prepared by reacting a thenyl halide of the formula or of the formula wherein Y is halogen, with a tertiary amine of the formula The reaction is preferably carried out in the presence of a solvent at a temperature of from - 20 to 130 C. The novel compounds possess biocidal activity.
Patent GB-540769-A (GB)
Title: Method for the driving into the ground of piles and ring used by this method
IPC: E02D5/54
Filed: 1940-04-26
Abstract: 540,769. Piles. SCHOEMAKER, C. P. W. April 26, 1940, No. 7509. [Class 68 (ii)] A. pile 8 is provided prior to or during ramming with one or more local widenings in the form of rings 1 which are formed with radial grooves 4 on their internal surface so that under the re-action to ramming pressure they become deformed so as to grip the pile more tightly around their upper edge. They are maintained in this deformed condition by upward displacement of an auxiliary wedging ring 2 or equivalent system of wedges. In an alternative construction, the rings are formed of a number of elements corresponding to the number of sides of a polygonal pile, the elements being bolted together in a manner permitting them to pivot about the bolts so as to grip the pile, wedges being employed to maintain them in the gripping position.
Patent GB-1083221-A (GB)
Title: Improvements in or relating to advancing roof-supporting assemblies for use in mines
IPC: E21D23/00
Filed: 1965-02-22
Abstract: 1,083,221. Advancing mine roof supports. HERMANN HEMSCHEIDT MASCHINENFABRIK. Feb. 22, 1965 [Feb. 21, 1964], No. 7532/65. Heading EIE. In an advancing mine-roof support for inclined seams incorporating two frames interconnected for stepwise advance by a coupling comprising two telescopically-arranged tubes 9, 10 connected as shown by shackle plates such as 11, 12 and quick-release couplings 16 to each frame respectively, transversely-acting thrust means 17 are provided for accommodating or effecting misalignment, the means 17 being linked at each end by a saddle bracket 20 or 21 to the soleplate 2 of one of the frames and to the outer tube 10 respectively.
Patent GB-711828-A (GB)
Title: Improvements in or relating to electric fusion welding
IPC: B23K9/067
Filed: 1950-03-31
Abstract: 711,828. Automatic control of welding arcs. BABCOCK & WILCOX, Ltd. March 31, 1950 [April 4, 1949], No. 7536/52. Divided out of 711,774. Drawings to Specification. Class 38(4) The subject-matter is the same as in Specification 711.774 but the claims differ. Specification 611,070 also is referred to.
Patent GB-249854-A (GB)
Title: Improvements in or relating to perfumes and to apparatus for disseminating perfumes
IPC: B65D83/14
Filed: 1926-03-18
Abstract: 249,854. Lemoine (nÚe Trouillet), R. M. L. March 28, 1925, [Convention date]. Aromatizing air and gases; cartridges; releasing fumigants from. - Perfumes to be diseminated into the air have as a carrying substance compressed or liquefied gas instead of alcohol as usual. The gas, before compression, is passed through a chamber provided with baffles and charged with liquid or pulverulent perfume. A container for the perfumed gas or liquid consists of a cartridge a closed by a disc b adapted to be perforated by a hollow needle d carried by the nozzle c which screws on to the neck of the cartridge and is fitted with packing washers g, i to make tight joints. The outlet passage e of the nozzle c opens on a coni. cal valve surface k coacting with a cap h having a central opening j. The cap h serves as a valve and, since the passages e, j are not in line, serves also to break up the issuing jet of gas. In a modification, the closure b of the cartridge a is replaced by a spring-actuated valve, and the needle d is replaced by a finger adapted to hold the valve open. The Specification as open to inspection under Sect. 91 (3) (a) states also that a small quantity of perfume may be placed in the cartridge which is then charged with compressed or liquified carbonic acid gas. This subject-matter does not appear in the Specification as accepted.
Patent GB-1045561-A (GB)
Title: Method and apparatus for manufacturing a collagen article
IPC: B29C48/92
Filed: 1964-02-24
Abstract: 1, 045, 561. Electric retroactive control. JOHNSON & JOHNSON. Feb. 24, 1964 [Feb. 25, 1963], No. 7555/64. Heading G3R. [Also in Division B5] Apparatus for automatically controlling the diameter of an inflated travelling tubular body, and especially useful in the drying of tubular collagen films, comprises means for admitting a gaseous inflating medium into said tubular body from a pressurized source of supply, a control valve for controlling the admission of said medium into said tubular body, and an inflated diameter sensing unit associated with said valve and disposed in the path of travel of said body and responsive to variations in diameter of said tubular body for adjusting said valve to increase or decrease the admission of said medium into said tubular body, whereby the inflated diameter of said tubular body is maintained at a predetermined dimension. Thus, in Fig. 2, an arm 46, supports a roller 40 in the path of travel of the tubular film C so that roller 40 is biased by gravity toward and in continuous light contact with the upper, outer portion of film C moving past it. Any change in the inflated internal diameter of film C as it moves between rollers 38 and 40, causes roller 40 to move either upwardly or downwardly depending upon whether the casing diameter is greater or smaller than the desired internal diameter. In turn, this movement of roller 40 pivots arm 46 of potentiometer 48 in the direction of arrow A, for a casing having an internal diameter that is too large or in the direction of arrow B, for a casing having an internal diameter that is smaller than desired. To translate this movement of roller 40 and arm 46 into an appropriate change in air pressure in the inflated casing, potentiometer 48 is electrically associated with a suitable electromechanical metering device 50, (Fig. 1, not reproduced) which preferably includes an internal amplifier 52 and a pair of internal relays 54 and 56. Meter 50, is electrically connected to suitable variable speed control unit 58 for controlling the direction of rotation of a reversible speed reducer motor 60, mounted on the outside wall 62 of drying chamber 10. Output shaft 64 of motor 60 is provided with a drive sheave 66 around which is trained an endless belt 68, which is trained around a second sheave 70, mounted on the control shaft 72 of the air pressure regulator 74 for air supply line 36. To supply air to port 32 and hence to mandrel 22, clamp support 30 (Fig. 4, not reproduced) is provided with an internal bore 34 aligned with port 32 when support 30 is in normal clamping position. Air supply line 36 conducts air from a suitable source through regulating means to bore 34 and hence through port 32 and mandrel 22 into casing C for controlled inflation thereof. An adjustable quantity of air is fed therethrough into the surrounding casing tube and throughout the length thereof in the drying chamber 10 to maintain the casing C in an inflated state throughout its passage to the drying chamber 10.
Patent GB-1037854-A (GB)
Title: Circular saw and method of making same
IPC: B24D18/00
Filed: 1964-02-24
Abstract: 1,037,854. Grinding. F. W. LINDBLAD. Feb. 24, 1964, No. 7567/64. Heading B3D. An abrasive saw for cutting concrete, granite or the like comprises a circular blank 2 and a cutting edge constituted by arcuate segments 9 that include diamond abrasive particles embedded in a matrix, the blank having a peripheral edge 7 of reduced thickness and each segment having a notch or groove 12 which fits the edge of the blank with an interposed adhering film. The blank may be of hardened and tempered steel, glass fibre or epoxy sheets and is formed at its centre with a mounting hole 4 and at its periphery with slots 6 for cooling and swarf clearance and with surfaces 7 which form a ridge 8. The cutting segments, which consist of diamond particles in a matrix such as cast, pressed, sintered or powdered metal, ceramic material or moulded plastic, are prehardened and have arcuate grooves 12 which are the counterpart of the surfaces 7 and are secured thereto by silver solder or an epoxy resin. A clearance space 23 is provided between adjacent segments, the spaces between successive segments being inclined at opposite angles. In other embodiments, the peripheral edge of the blank is rounded and the segments are formed with arcuate grooves, or the peripheral edge has a rectangular tongue which engages rectangular slots in the segments.
Patent GB-744232-A (GB)
Title: Improvements in or relating to metal cased refractory bricks
IPC: B28B23/00
Filed: 1951-04-02
Abstract: 744,232. Furnace bricks. COMPAGNIE DES FORGES ET ACIERES DE LA MARINE ET D'HOMECOURT. April 2, 1951 [April 17, 1950], No. 7589/51. Class 51 (2). In the manufacture of basic refractory bricks having an oxidizable metal casing over substantially the whole surface of three or four of their faces, distortion or buckling under moulding pressure of the flanges of the U-shaped casing 11, Fig. 2, are prevented by forming curved lips 12a along the outer edges of the flanges 12, the said lips being of inwardly convex part-cylindrical formation. The extremities of the curved lips 12a may be normal to the mould wall, Fig. 4 (not shown), or at an acute angle thereto, Fig. 3 (not shown), during moulding, and clamping tongues 22 are punched inwardly from the flanges to improve the bond between the refractory material and the casing. In the embodiment shown in Fig. 6, the brick is reinforced by a casing comprising a web 13, flanges 12 and an end flange 23, a slot 24 being cut in the latter and a T-shaped slot 25 in the web 13, a corresponding recess being formed in the refractory material, so that the brick may be suspended from a T-hanger. Specifications 10598/14, [Class 51 (ii)], 546,220 and U.S.A. Specification 1,672,524 are referred to.
Patent GB-134161-A (GB)
Title: Improvements in and relating to the Moulding of Plastic Substances.
Inventor: LINDSAY GEORGE
IPC: A23G3/02
Filed: 1919-03-27
Abstract: 134,161. Lindsay, G. March 27, 1919. Moulds.-A device for moulding plastic substances, such as fish-cakes, croquettes, jellies, fats, sugar ornamentations, &c., comprises a base member a having a plain or intaglio surface a<2>, and a mould member b adapted to be supported by the member a, to which it is locked by projections b<1> engaging recesses a<1>. The member b is formed with an aperture b<2> of desired configuration having vertical walls b<3> whereby the moulded article may be removed from the front or the back thereof. In use, the member b is placed upon the base a and filled with plastic material, which is rendered flush with the surface of the member b. The member b is removed, carrying with it the moulded article. Specification 6734/15 is referred to.