baber/WOPTO huggingface dataset:
Patent GB-1602785-A (GB)
Title: Drill bushing pump seal or similar articles and method of making same
IPC: F16C33/14
Filed: 1978-02-21
Abstract: This machine element, e.g. a drill bush (121), has a hardened main body (180) made of steel and an approximately 0.1 mm-thick lining (189). The lining (189) is composed of hard particles, such as tungsten carbide particles, which are distributed in a softer matrix, in particular chromium nickel, and bonded to the main body by the latter. The lining (189) is compact or has interspaces for lubricant between the tungsten carbide particles. A base coating of wet binder, which contains chromium nickel powder, and tungsten carbide particles is first of all dried onto the main body (180), the tungsten carbide particles in the wet binder being compacted by rotation or vibration of the workpiece. Binder and a measured quantity of chromium nickel powder are then applied and all the chromium nickel powder is melted at 1050-1110 DEG C with the workpiece rotating or vibrating. In the case of bushes with a small inside diameter, the longitudinal opening (181) of the main body is filled with lining composition and the opening (187) then pierced, by means of an electrode (188) for example. It is advantageous that the wear resistance of the lining corresponds to that of solid tungsten carbide whereas the coefficient of expansion of the machine element itself corresponds to that of steel.   <IMAGE>
Patent GB-1412421-A (GB)
Title: Plunger assemblies
IPC: C03B11/00
Filed: 1972-02-15
Abstract: 1412421 Moulding glass WOOD BROS GLASS CO Ltd 7 Feb 1973 [15 Feb 1972] 6905/72 Heading C1M In a glass moulding machine in which a pair of plungers 15 with heads 19 carried on vertical slides (6) above a table (2) can be lowered into contact with charges of molten glass in a pair of moulds 11 on the table (2) by a linked hand lever (10), the two plungers 15 slide in bores in a compensating box 13 which is mounted on a beam 3 sliding on rods (6), the plungers 15 being interconnected about a horizontal shaft 22 to allow equalization of pressure in the moulds 11. As shown in Fig. 2, plungers 15 are provided with rack teeth 23a engaged by a pinion 23 on shaft 22 lying in a recess 24 between the plungers 15. A plunger head 19 is secured in a bore 20 in each plunger 15 by a rod 18, the plunger top 16 being pressed upwardly by a spring 17 between the top 16 and a shoulder in the box 13. As shown in Fig. 3, the plungers 15 are pivoted at their upper ends on spindles 25 passing through a rocker arm 26 pivotally mounted on shaft 22. In a further embodiment combining the two Figures shown, plungers 15 have top 16 pressed upwardly by spring 17, the top 16 being engaged by rollers (28) mounted on spindles 25 on a rocker arm 26. In all embodiments, collars 21 may be mounted on each plunger head 19 to close the mould 11 when the glass is pressed. Alternatively, collars 21 may be mounted in a separate plate for positioning by hand over the pair of moulds. The pair of moulds 11 may also be mounted in a plate with a handle so that the mould frames 1 may be pivoted to eject the cooled articles.
Patent GB-1162126-A (GB)
Title: Process for making Adducts of Hexachlorocyclopentadiene and Tetrahydrophthalic Anhydride
Inventor: ROBERTS CARLETON WHITMAN
IPC: C07C23/38
Filed: 1967-02-14
Abstract: 1,162,126. Adducts of hexachlorocyclopenadiene and tetrahydrophthalic anhydride. DOW CHEMICAL CO. 14 Feb., 1967 [16 Feb., 1966], No. 6947/67. Heading C2C. 1,2,3,4,9,9 - Hexachloro - 1,4,4a,5,6,7,8,8a - 1,4 - methano - naphthalene - 6,7 - dicarboxylic anhydride is prepared by reacting approximately stoichiometric proportions of hexachlorocyclopentadiene and tetrahydrophthalic anhydride with each other at a temperature in the range 175-195‹ C. in the presence of an inert aromatic hydrocarbon, aromatic halohydrocarbon or hydrogenated aromatic hydrocarbon, boiling at a temperature in the range 165-260‹ C., the inert liquid acting as solvent and reaction medium. The inert liquid is used in an amount equal or less in weight than the reactants. The preferred solvents are decalin and aromatic compounds having the formula in which R is a C 1 -C 4  alkyl radical, Y is chlorine or a C 1 -C 4  alkyl radical, X and Z are hydrogen or C 1 -C 4  alkyl radicals, with the proviso that X and Z cannot both be hydrogen when R is methyl, and mixtures of these compounds.
Patent GB-230275-A (GB)
Title: Improvements in transfer ink for producing indelible markings upon fabrics
IPC: C09D11/00
Filed: 1924-03-18
Abstract: 230,275. Marston, T., and Lawrence, W. S. March 18, 1924. Ink.-A transfer ink for application by heat to fabrics is made by incorporating a basic dye in an acid medium from which the dye can be separated by treatment with a base, for example soap or other alkaline solution. The dye may be an induline or nigrosine base, and the medium a fatty acid, such as stearic, oleic, lauric, or myristic acid.
Patent GB-946487-A (GB)
Title: Novel pyrimidine compounds and a process for the manufacture thereof
IPC: C07D239/69
Filed: 1961-07-28
Abstract: The invention comprises 4-amino-5-(lower alkoxy) - 6 - halo - pyrimidines (the word "lower" indicating a group of 1-6 carbon atoms), e.g. 4-amino - 5 - methoxy - 6 -chloro - pyrimidine. The compounds are prepared by reacting a 4,6-dihalo - 5 - (lower alkoxy) - pyrimidine with ammonia e.g. with liquid ammonia or a solution of gaseous ammonia in dimethyl formanide. Specifications 946,486 and 946,488 also are referred to.
Patent GB-111245-A (GB)
Title: Improvements in Packages.
Inventor: PIKE ROBERT DICKSON
IPC: B65D75/38
Filed: 1917-05-16
Abstract: 111,245. Pike, R. D. May 16, 1917. Packing sweetmeats &c.-A package for confections such as sweetmeats, candy, or chewing-gum comprises a number of individual sticks 1 of the confection in the form of sectors of a cylinder, associated together in cylindrical form. The sticks 1 are preferably covered by an inner wrapping 2 of metal foil or other impervious material and an outer wrapping 3 of paper. The inner wrapping 2 is folded over to enclose completely the ends of the stick, but the outer wrapping 3 is preferably opened at the ends. The wrapped sticks 1 are held in cylindrical form by an outer binder 4, preferably of paper, open at the ends. The sticks 1 preferably project beyond the ends of the binder 4 to facilitate removal.
Patent GB-491930-A (GB)
Title: Improvements in or connected with revolution direction indicators for marine and other uses
IPC: B63B49/00
Filed: 1937-03-10
Abstract: 491,930. Revolution - direction indicator. BEDFORD, F. March 10, 1937, No. 7035. [Class 106 (iii)] In a revolution - direction indicator of the type in which electric switching means controlling indicating circuits are intermittently closed through cams on the rotatable shaft the switching means is actuated by a pair of triggers or rocking members operated by a pair of cams of different lengths on the shaft, in such manner that it is necessary to rock both members to one side or the other to close the appropriate indicator circuit. In the form shown in Figs. 1 and 2, the operating device comprises a casing 1 mounted near the shaft 41, and having a spindle 2 on which is mounted a pair of blocks 3 with arms 3c forming sockets for slidable and spring controlled rods 6. The rods 6 carry rollers 7 for engagement with cams 40 and 40b on the shaft 41 whereby they are rocked to one side or the other of a central neutral position. The blocks 3 are formed of insulating-material with contact plates 12b, 13b for co-operation with contact strips 14, 14a, 15 and 15a and with contact bridges 44, 45 and 46, 47. The rocking movement of the blocks 3 is governed by spring controlled plungers 50 mounted in barrels on the casing 1. The plungers may be tapered to allow for the swinging action of the blocks. The indicator as shown in Figs. 6 and 7, comprises a bipartite casing 30 with lamps 32, 33, arranged behind glass plates 36, 36a bearing the words " AHEAD " and " ASTERN." The operating device and indicator are connected by electric leads to a distributing board 42, and power mains 43 as shown in Fig. 8. By this means a flashing signal is given and with the aid of a stop watch the speed of the shaft can be ascertained. Each block 3 is provided with a handle 10 extending through a slot in the casing so that it may be held by a pin passing through a lug 1b to hold the roller 7 out of the path of its cam.
Patent GB-1511219-A (GB)
Title: Solvents for and purification of chitin
IPC: C08L5/08
Filed: 1977-02-18
Abstract: 1511219 Purifying and spinning chitin UNIVERSITY OF DELAWARE 18 Feb 1977 [19 Feb 1976 30 Sept 1976] 7055/77 Heading C3U Chitin is converted from the dextro rotatory form, as obtained by isomerization during isolation, to the laero rotatory form by dissolving in dimethyl acetamide and/or N-methylpyrrolidone containing lithium chloride. The solution of laero rotatory chitin obtained thereby is thus rendered suitable for forming into films and fibres by casting or spinning using conventional evaporation or solvent (non-solvent techniques).
Patent GB-330584-A (GB)
Title: Improvements in or connected with the manufacture of oil paint
IPC: C09D5/02
Filed: 1929-03-06
Abstract: 330,584. Saunders, M. W., and Hynes, J. J. March 6, 1929. Emulsions, making.-An emulsified paint is obtained by adding to an oil paint containing as driers one or more heavy metal salts of soap forming acids, with agitation and while hot, a hot aqueous saline solution which will form an emulsifier by double decomposition with the drier and thus form an emulsion between the paint and the water. The aqueous solutions referred to are those of sodium chloride, magnesium chloride or mixtures of these. The linoleates and rosinates of lead or manganese, boiled linseed oil, and Terebine are given as examples of suitable driers. Liquid hydrocarbons such as kerosene may be used as a diluent to promote the action by thinning the oil.
Patent GB-404489-A (GB)
Title: Improvements relating to electric insulators
IPC: H01B17/02
Filed: 1933-03-10
Abstract: 404,489. Insulators. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Ohio Brass Co. ; Mansfield, Ohio, U.S.A.) March 10, 1933, No. 7299. [Class 36.] The pin of an insulator of the pin type is formed with one or more conical surfaces arranged to slip slightly and wedge in the cement in which the pin is embedded and one or more resilient flanges engaging in the cement and returning the pin to place when the strain which has caused the slipping is relaxed. Several arrangements are described. Fig. 2 shows a pin 17 having two sets of conical surfaces and one resilient flange 24 ; one of the conical surfaces is formed in two parts 25, 26, the part 26 nearer the pin having a less steep slope than the other. Fig. 3 shows a pin with three conical surfaces 28, 29, 30 and are resilient flange 31 ; between the lowermost surface 30 and the flange 31 is a groove 32 filled with yielding material 33 such as wax or asphaltum. The surface of the pin is covered with wax, bitumen &c. to facilitate slipping. A resilient cushion 21 is placed between the head of the pin and the insulator body 10. The cap 11 is formed with a thickened lower portion 14 having an inner surface 15 approximately parallel to the conical surfaces on the pin. Inwardly projecting pins 34 may be formed on the cap to centre it on the body of the insulator.
Patent GB-585161-A (GB)
Title: Improvements in agricultural attachments for tractors
IPC: B66C23/36
Filed: 1944-04-20
Abstract: 585,161. Load-handling machines. JONES. G., and JONES, D. T. April 20,1944, No. 7304. [Class 78 (iii)] A loading attachment adapted to be mounted on agricultural tractors for handling manure comprises a scoop k pivotally mounted at j on a carriage consisting of side plates h connected by an angle iron g and having rollers f engaging in channel irons d along which the carriage may be hoisted by a cable 1 connected to a winding drum r. The scoop is normally prevented tipping about its pivots j by a detent pivoted on the carriage at m and engaging the top edge of its back wall k<2>. When the charged scoop is elevated sufficiently, this detent may be rocked by a cable p provided with a pull handle q to allow the scoop to tilt by gravity. The winding drum r is fitted with a brake drum u controlled by a lever v and is driven through a clutch by sprockets s, s<2> and chain s<1> from the shaft w of a reduction gearing w<1> connected through a pulley x and belt y to a shaft driven by the tractor engine.
Patent GB-589521-A (GB)
Title: Flow meter
IPC: G01F1/22
Filed: 1945-03-23
Abstract: 589,521. Fluid-flow meters. FISCHER & PORTER CO. March 23, 1945, No. 7426. Convention date, April 18, 1944. [Class 69 (i)] A fluid-flow meter comprises a transparent vertical metering tube 10 and a guide rod 11 of square cross-section twisted to form a helical thread along which slides a float 12 having a cylindrical body and a tapered head and tail 17 and 13. One end of the bore 20 is enlarged, and secured to the float 12 is a nut 14a which is bored so that the float may have initial free vertical movement followed by a combined rotational and vertical movement in response to vertical forces. The terminal portion of the bore 20 may be formed to the same configuration as the interior of the nut. Vertical motion of the float causes it to rotate and the resulting frictional forces set up between the rod and float damp out any oscillations as the float approaches its correct position.
Patent GB-670879-A (GB)
Title: Improvements in or relating to electric motor control systems
IPC: H02P7/282
Filed: 1949-03-18
Abstract: 670,879. Control of D.C. motors. GENERAL ELECTRIC CO., Ltd., and CROFT, E. H. March 20, 1950. [March 18, 1949] No. 7481/49. Class 38 (iii). A control system for an electric motor having a field winding 11 in series with the armature has provision for weakening the field in stages : in one of the stages a, part only of the field winding is shunted by a direct circuit comprising resistance 13 and inductance 14, said inductance having a value sufficient to limit the flow of circulating current in the diverted portion of the field winding in the event of a voltage surge on the supply to the motor, and in a further stage the previously diverted portion of the field winding is cut out of circuit. The application to a series-parallel control system comprising four motors is shown. The pairs of motors 10, 10a and 10b, 10c are each permanently in series and reversing switches 26, 26b are provided. The motors are accelerated by connecting the pairs in series and removing sections of armature resistance in succession. The armature resistance is then re-inserted to form a bridge transition circuit. In the full parallel connection, field'reduction in steps is obtained by closing contacts 62, 62b, then opening these contacts and closing contacts 63, 63b. A further degree of field weakening may be provided by closing contacts 62, 62b, 63, 63b, simultaneously. Contacts 65. 65b, are then opened and contacts 66, 66b, are closed.
Patent GB-658211-A (GB)
Title: Improvements in or relating to tools for cold pressure welding
IPC: B23K20/02
Filed: 1949-03-18
Abstract: 658,211. Jointing ; shearing; forging. GENERAL ELECTRIC CO., Ltd., and SOWTER, A. B. March 18, 1949, No. 7483. [Classes 83 (ii) and 83 (iv)] A cold pressure welding tool is provided with a pressure tip face of substantially flat striplike form tapering away at its ends. A manually-operable cold-welding device has two parts pivoted at 17, one part comprising an arm 1 and an eccentric cam-face 16, and the other part having an arm 2 and a body 3 carrying a fixed tool at one end and having a bore which carries a tool-holder 12 movable towards the other tool by the action of the cam face 16 on the surface of a roller bearing 13. Each tool has a projecting member 10 of rectangular cross-section by which the ends of the work to be welded together, such as aluminium or copper wires or tubes, may be flattened prior to welding by the projections 11 with tapered ends. If desired the tapered ends may be curved rearwardly. The flattening and welding tools may be replaced by cutting jaws. Making wire fabrics.-The device may be used for making wire mesh from aluminium wire by flattening and welding the wires together at overlapping points. Specification 649,614 is referred to.
Patent GB-1202483-A (GB)
Title: Extrusion of metals and alloys
Inventor: COURTNEY RONALD JOHN ALAN
IPC: F16N15/00
Filed: 1968-02-15
Abstract: 1,202,483. Extrusion. HENRY WIGGIN & CO. Ltd. 14 April, 1969 [15 Feb., 1968], No. 7495/68. Heading B3P. [Also in Division C5] A lubricant for hot metal extrusion comprises a mixture of calcium silicate and a fibrous material other than asbestos fibre. The fibrous material may be glass fibre, mineral wool, slag wool, alumino-silicate ceramic fibre, hemp, cotton wool or nylon. The fibrous material occupies “ to 10% by weight of the lubricant and preferably below 2%. The calcium silicate is crushed and mixed with short lengths of hemp and water to form a slurry in a preferred mixture. The slurry is moulded and dried. In one embodiment a nickel-chromium alloy is heated to 1170‹ C. wrapped in glass cloth and extruded with a disc of calcium silicatehemp mixture.
Patent GB-747293-A (GB)
Title: Therapeutic preparations containing erythromycin stearate
Filed: 1954-03-15
Abstract: Erythromycin stearate is prepared by dissolving erythromycin in methanol, adding stearic acid, heating to 50 DEG  C., filtering and diluting with water and allowing the erythromycin stearate to crystallize; melting point 80-82 DEG  C.  Erythromycin stearate is used in therapeutic preparations for oral use (see Group VI).ALSO:A therapeutic preparation for oral administration comprises an aqueous medium, a finely divided substantially water-insoluble solid erythromycin stearate (see Group IV(b)), a buffer and a suspending agent.  The example is an aqueous suspension of erythromycin stearate containing sodium citrate, sodium carboxymethylcellulose, colloidal magnesium aluminium silicate gel, sodium lauryl sulphate, sucrose, methyl and propyl p-hydroxy benzoic acid esters, oil of cassia and a dye.  The preparation is buffered at pH 7,0 to pH 10 by the sodium citrate; other buffers are aluminium hydroxide, calcium hydroxide, sodium acetate, magnesium trisilicate, sodium phosphate, calcium carbonate, sodium bicarbonate and sodium carbonate; which may be used singly or in combination.
Patent GB-1205204-A (GB)
Title: Laser
IPC: H01S3/223
Filed: 1969-02-12
Abstract: 1,205,204. Lasers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 12 Feb., 1969 [15 Feb., 1968], No. 7631/69. Heading H1C. In order to compensate for the absorption of water vapour in the walls of the discharge tube of an infra-red gaseous laser the active medium of which comprises carbon dioxide, nitrogen, helium and water vapour a substance, e.g. zeolite saturated entirely or partly with water is placed in contact with the active medium. The substance is in equilibrium with water vapour whose pressure lies betwen 0À1 and 0À3 Torr inclusive and the water is drawn off as required to maintain the water vapour pressure at the required value. In the laser described the active medium is contained in a cylindrical quartz tube sealed at one end by a gold coated concave quartz block and at the other end by a flat germanium plate. A rod of zeolite is positioned in a side tube of the discharge tube.
Patent GB-647938-A (GB)
Title: Improvements in and relating to wind-driven motors
IPC: F03D3/04
Filed: 1949-03-21
Abstract: 647,938. Wind motors. HEPPELL, W. J. March 21, 1949, No. 7666. [Class 110(iii)] A blade for a wind-driven rotor has a back of convex curvature and a face consisting of abutting surfaces set at an obtuse angle or angles. The blade may be hollow or solid, and the abutting surfaces may be concave, convex or plane. The wind enters through openings 36, 40, Fig. 4. and after striking g those blades 10 which are passing through quadrants A and B, it passes through the space 18 between the inner ends of the blades and the rotor shaft 16; it then enters a slot 21 of the blade 10 which is passing through quadrant C and is exhausted as a propulsive jet through a slot 19. Wind also passes through a passage 42 to the exit 41, where it has an ejector effect on the wind exhausted from the rotor. The shaft 16 comprises hinged control flaps 23 which are swung outwards by a centrifugal governor, Fig. 5, through the intermediary of rods 24, 25, so as to restrict the flow through the space 18. The flow through passage 42 can be restricted or stopped by a hinged flap 37, and diverted by a pivoted flap 38 onto the backs of blades in quadrant C. Flaps 37, 38 may be actuated through suitable linkage by a flap 33 which is moved by wind pressure against, it may be, a spring or weight. The outlet 41 may also be controlled, and the wind escaping therefrom may be used to drive auxiliary rotors. Pivoted directing shoots 30, 31 are provided. The back 11 and face 12, 13 of each blade are connected together by tie pieces (not shown), and the blades are supported from the shaft 16 by top, bottom and intermediate spiders 46. The shaft is journalled in bearings carried by a framework 49 which can turn about a stationary framework 50 on trackways 51 and 57. Power is transmitted to a shaft 56 by bevel gearing 55. In a modification, the shaft 16 and flaps 23 are omitted, and the inner edges of the blade backs 11 are extended to approximately the position previously occupied by the corners of the shaft 16 and stiffened so as to make the blades self-supporting. In a modified blade construction, the gaps 19, 21 are eliminated. In a further modification, Fig. 3, the back 11 has a cavity 22 which is stated to strengthen the blade and increase the suction upon its back. The blade construction described may be used in a axial flow wind-motor. Specification 647,929 is referred to.
Patent GB-1105858-A (GB)
Title: Copolymers and a process for preparing them
IPC: C08G2/00
Filed: 1966-02-22
Abstract: Copolymers comprise 97.9-88% by weight of trioxane, 2 to 10% by weight of a cyclice ether, and 0.1 to 2% by weight of an alkyl-glycidyl-formal.  They are prepared using a cationic catalyst and a temperature range of -50 DEG  C. to + 100 DEG  C. Specified cyclic ethers are ethylene and propylene oxides, epichlorhydrin, glycol- and diglycol-formal, and 4-chloromethyl dioxolane.  Suitable catalysts are inorganic and organic acids, acid halides, and Lewis Acids e.g. BF3 etherates, and diazonium fluoroborates. The polymerization may be in bulk, in solution, or in suspension.  The catalysts may be inactivated after polymerisation using e.g. ammonia or a methanolic solution of an aromatic amine.  The copolymers may be stabilized against heat by using e.g. polyamides, amides of polybasic carboxylic acids, amidines, and ureas, against oxidation by using e.g. phenols and aromatic amines, and against light by using e.g. a -hydroxybenzophenone derivatives.  The copolymers may be formed into foils, films, or fibres, and may also be ground and comminuted.
Patent GB-103595-A (GB)
Title: Improvements relating to Boxes or Cases.
Inventor: MOSES MARTIN
IPC: B65D83/00
Filed: 1916-05-31
Abstract: 103,595. Moses, M. May 31, 1916 Contents, delivering and facilitating access to.- Boxes are provided with false bottoms 11, which are adapted to be raised by hooked members 12 and maintained in various raised positions by hinged members 16, 17 engaging ribs or stops 14, 15.