baber/WOPTO huggingface dataset:
Patent GB-923097-A (GB)
Title: Improvements in or relating to procedures for the manufacture of shoes
IPC: A43B13/32
Filed: 1958-05-12
Abstract: 923,097. Moulding soles on to footwear uppers. BOSTIK Ltd., and G. C. ROBERTS. May 11, 1959 [May 12, 1958], No. 15087/58. Class 87(2). A mould formed by heated side mould members 8 and base platen 10 is used and a charge of vulcanisable rubbery material with a small proportion of a blowing agent is placed in the mould cavity, a lasted shoe upper 2 positioned over the mould, the rubbery material moulded against the shoe bottom 4 under pressure from the base platen 10 until an outer portion of the material is vulcanised to form a dense outer skin 12, and then the base platen 10 moved away from the lasted upper 2 to allow the interior portion of the material to expand and form a vulcanised cellular structure 14. A suitable vulcanisable composition comprises 100 parts by wt. natural or synthetic rubber and from 25 to 43 parts by wt. of a resinous styrene-butadiene copolymer with a small proportion, not more than 1% of the total charge, of a blowing agent. In one illustrative procedure, the charge is moulded for 3 minutes before expansion, expands for 2 minutes, and is then held in the expanded mould for 7 minutes. In an alternative procedure, the corresponding periods are 1¢, 10 and 1¢ minutes and the mould is expanded at a controlled rate of from 1/48 to 1/80 inch/minute. The shoe sole produced by the first procedure shows a layering effect in cross-section-there is a layer of impervious, non-cellular rubber at the tread surface, a thin layer of rubber with comparatively large and to some extent interconnected cells lying next to the impervious layer, and then a layer with a multiplicity of small non-interconnected cells between the latter layer and the shoe bottom. The second procedure produces a sole showing only two layers, one of impervious non-cellular rubber at the tread surface and the other with a multiplicity of small, non-interconnected cells. In the second procedure, a heel piece of fibre board is attached to the shoe bottom so that the rubbery material is of substantially uniform thickness across the sole. Specification 859,671 is referred to.
Patent GB-452736-A (GB)
Title: A method of manufacture bobbins for use in spinning and weaving
IPC: B65H75/18
Filed: 1935-05-24
Abstract: 452,736. Bobbins. OHASHI, K., 433, Ikue-Cho, Asahi-Ku, Osaka, Japan. May 24, 1935, No. 15160. Convention date, May 28, 1934. [Class 120 (iii)] Wooden bobbins are made by first fashioning the bobbin to a size somewhat larger than the required finished size, then drying it at a temperature of from 100 to 250‹ C. so that it shrinks as much as possible, then cutting and scraping it to the finished size and finally painting it inside and out with paint, varnish or lacquer and baking it to harden the paint &c. ; a second and third coating and baking may be given to the bobbin, the surface being preferably sandpapered between the coatings. The compositions of suitable paints are given.
Patent GB-434943-A (GB)
Title: Improvements in and relating to shoe-end-lasting machines
IPC: A43D21/12
Filed: 1935-05-24
Abstract: 434,943. Boot - lasting machines. MEISTER, F., ADRIAN, J., and ADRIAN, jun., J., (trading as ADRIAN & BUSCH), 31, Feldbergstrasse, Oberursel, Taunus, Germany. May 24, 1935, No. 15223. Convention date, Nov. 14, 1934. [Class 17 (i)] In an end-lasting machine an electric heating element is arranged within the wiping plates. A groove 6 is cut in the wiping edge of the plates and a heating wire 9 located between mica sheets in the groove, which is then closed with a copper strip 17 caulked in. A carbon brush 14 supplies current to the wire, and grooves 18 in the wipers hinder the escape of heat. A single screw 10 connects the heating wire with the electric supply and thus facilitates change of wiping plates. Preferably, a low voltage is used and one pole 16 of the supply is connected to the machine.
Patent GB-769066-A (GB)
Title: Improvements in or relating to rectifier circuits incorporating transistors
IPC: H02M7/217
Filed: 1955-05-27
Abstract: 769,066. Rectifying. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 27, 1955 [June 2, 1954], No. 15354/55. Class 38 (2). A load 2 is supplied with D.C. through a transistor 3 from the secondary winding 12 of a transformer 10. The load and supply are connected across the emitter and collector electrodes 7, 6 between which current can flow in alternate half-cycles when the base electrode 5 is made negative with respect to the emitter 7 by secondary winding 13, or by a separate source of rectangular pulses, Fig. 1 (not shown). When the base electrode is positive, the load current is cut off. In modifications the collector and base electrodes 6, 5 may be connected through a resistance 20, the voltage drop in which creates the voltage difference, Fig. 3 (not shown), and Fig. 5. The load circuit may be supplied from a tapping on a potentiometer across the A.C. supply source, Fig. 4 (not shown). By connecting across the collector and base electrodes and collector and emitter electrodes respectively, batteries 21, 22 which together have a voltage equal to the allowable reverse voltage of the transistor, the transistor is protected against being subjected to excessive voltage. Rectifiers 23, 24 prevent current flow from the batteries during the conducting half-cycles, Fig. 5. The transistor may be of the PNP, NPN or point contact types. To vary the output the phase of the control voltage may be varied. Transistors may be arranged in a bridge for fullwave rectification.
Patent GB-1428023-A (GB)
Title: Valved packages
IPC: B65D30/24
Filed: 1973-03-30
Abstract: 1428023 Packaging B R PIKE and W S SCHNEIDER 30 March 1973 [31 March 1972] 15359/73 Heading B8C [Also in Division B5] Form-and-fill packages 36 having a one-way valve passage 26 are made from a major web 20 of laminated film with localized release areas 21 between the laminates, the web being folded longitudinally at 43 and transversely heatsealed at 28, and the valve passage 26 being defined by shaped heat-seals 25 attaching a minor web 23 to one inner wall 42 of web 20. The container 30 so formed is severed from web 20 and filled at 34 and is then closed by sealers 35 forming a top seal 40 which attaches web 23 to the other wall 41 of web 20 and closes the valve passage 26 along seal 46. In use, the top edges of walls 41, 42 are pulled apart to rupture the inner layer of wall 41 along seal 46. A second product, such as a liquid, is now introduced through passage 26, causing the package to bulge and so press the walls of the passage together to form a valve closure. The contents are mixed by kneading and are expelled by tearing off corner 37. In other forms, web 23 is laminated and release areas 21 are formed therein. Again, web 23 may be applied adjacent fold line 43 at which a tear string is attached for opening the package. Another form includes tear strings at each end of the package, to open passage 26 and also to open the mixing compartment. Another form of apparatus attaches web 23 along a horizontal table and then forms the package about a vertical forming and filling mandrel, Fig. 11 (not shown). Instead of a single folded web 20, two separate webs may be sealed together to form the package, as in Fig. 17 (not shown).
Patent GB-197218-A (GB)
Title: Improvements in or relating to washing machines
IPC: D06F37/36
Filed: 1922-06-01
Abstract: 197,218. Beckwith, J. T. June 1, 1922. Washing-machines with closed or enclosed rotary receptacles.-A shaft 11 is driven in opposite directions alternately from a continuously driven shaft 12. The shaft 12 carries a pinion 27 engaging alternately with the inside and outside of a substantially complete ring of pins 32 on a wheel 29 mounted on a stub shaft 30, Figs. 1 and 4, the wheel 30 meshing with a spur wheel 28 on the shaft 11. The shaft 12 is movable in a vertical plane, to allow for the movement of the pinion 27, being mounted at one end in a bearing 15 rotatable about horizontal pivots 16 carried by a bracket 17, and at the other end supported in a block 18, Fig. 7, mounted in a curved slideway 19, spring controlled buffers 23 being provided at each end of the slideway.
Patent GB-529210-A (GB)
Title: A process for splitting up mixtures of chemically related organic substances
IPC: C10G21/12
Filed: 1939-05-24
Abstract: 529,210. Splitting mixtures of organic substances. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. May 24, 1939, No. 15458. Convention date, June 10, 1938. [Class 91] [Also in Group IV] Mixtures of two or more chemically related substances which are capable of interaction with a third substance are separated into two components or groups of components A and B by a treatment with two liquids S1 and S2 led in countercurrent which are mutually immiscible, or are miscible only to a slight extent, into which the components or groups of components are distributed in various ratios, the process being characterized in that the treatment is carried out in the presence of a substance C which causes a reaction, reversible under the extraction conditions between C on the one hand and A and B on the other, in which AC is formed more readily than BC. The substance C is employed in a smaller quantity than is required for binding the whole amount of the mixture to be split up. The substance C may consist either of a single substance or a mixture of substances. If desired part of the separated components may be returned into the system together with one of the extracting liquids. The preferred embodiment of the invention consists in leading the extracting liquids along or through each other in an extraction system into which they are introduced at or between the ends, and in which the mixture to be split up is introduced at a point between these two places of introduction. Examples of materials which can be split up include mixtures of nitrogen bases from the cracking of mineral oils, mixtures of acidic materials such as phenols and thiophenols, and phenols and naphthenic acids, mixtures of naphthenic acids and sulphonic acids. Liquids mentioned as extracting liquids include water and organic solvents such as benzene, alcohol, ether, acetone, furfural and nitrobenzene. In examples (1) an acid oil from the refining of mineral oil consisting of a mixture of phenols and carboxylic acids is fed in the middle of a five stage extraction system. The extracting liquids used are water and diisopropyl ether and the third substance C is sodium hydroxide which is used dissolved in the water. (2) A mixture of collidine and quinoline is separated in an eight stage extraction process using as the extracting liquids benzene and hydrochloric acid. The Specification as open to inspection under Sect. 91 contains also an additional example of the separation of a mixture of pentanone-2 and pentanone-3, obtained by the dehydration of secondary amyl alcohols, in an eight stage extraction system. The extracting liquids are pentane and sodium bisulphite. This subjectmatter does not appear in the Specification as accepted.
Patent GB-734981-A (GB)
Title: Fluorescent heterocyclic compounds
IPC: C07D277/22
Filed: 1953-06-04
Abstract: Fluorescent brightening agents for coloured or uncoloured fibrous materials comprise bisazoles of the formula <FORM:0734981/IV (c)/1> where R is a benzene residue, Y is O or S and m is 1, 2 or 3.  In an example undyed cotton yarn is treated with a solution of the sodium salt of sulphonated 1 : 2 - di - (51 - phenyloxazolyl - 21)-ethylene.ALSO:The invention comprises bis-azoles of the formula <FORM:0734981/IV (b)/1> where R is a benzene residue, Y is O or S and m is 1, 2 or 3. They are made by condensing amino-ketones R-COCH2NH2 with fumaric acid or a functional derivative thereof (e.g. halide), ring-closing the resulting acylaminoketones (alone or with phosphorus sulphide) to the bis-azoles and finally sulphonating.  The products are fluorescent brightening agents. An example shows the production of fumaroylbis - (o  - aminoacetophenone) and ring-closure with sulphuric acid to 1 : 2-di-(51-phenyloxazolyl-21)-ethylene. Sulphonation may occur simultaneously with ring-closure or a separate step may be necessary.ALSO:Fluorescent brightening agents for soaps and other detergents comprise bis-azoles of the formula <FORM:0734981/III/1> where R is a benzene residue, Y is O or S and m is 1, 2 or 3.
Patent GB-1193632-A (GB)
Title: Apparatus for Heating Strand Material.
Inventor: PARKER WALTER
IPC: D01D10/04
Filed: 1966-05-06
Abstract: 1,193,632. Heating yarns. ERNEST SCRAG'G & SONS Ltd. 24 July, 1967 ]6 May, 1966], No. 15471/66. Headings D1D and D1F. Apparatus for heating yarn 12 or other strand material (e.g. wire) consists of a thin, metallic walled, tubular vessel 11 having an inlet 13 and at least one outlet 14 for hot gas, the vessel being surrounded by thermal insulation 17. Either the inlet is disposed centrally of the vessel with an outlet at each end, or the inlet is at one end and the outlet at the other end. The inlet and outlet(s) each have an annular chamber 16 connected to ducts 20, 22 and separated from the vessel interior by wire gauze 16A. Valve 21 cuts off the supply of hot gas and may open the vessel to atmosphere. End caps with a small central aperture may be hingedly mounted on the vessel. A plurality of such apparatuses with a common gas supply may be arranged to set the twist in yarns in a false twist crimping machine (Fig. 4) or arranged to post treat crimped yarn. Gas is withdrawn from the outlets through ducting 22, 23 and via an impeller 31 and relief valve 37 to a thermostatically controlled heat exchanger 33 before being recycled to the heating apparatuses.
Patent GB-663901-A (GB)
Title: Improvements in or relating to the cracking of sulphurous petroleum oils
Filed: 1949-06-10
Abstract: Mercaptans present in gasoline obtained by cracking sulphurous petroleum oils, are extracted from the gasoline with an aqueous solution of sodium or potassium hydroxide containing a small amount of a "solutizer" such as isobutyric acid or an alkyl phenol; and the mercaptans are then oxidized to disulphides by bubbling air through the aqueous extract (warmed to a temperature below 150 DEG  F.) in the presence of tannin or picramic acid as oxidation-catalyst.  The disulphides, which are insoluble, tend to separate; but a sharper separation is obtained by extracting the disulphides with naphtha or kerosene.ALSO:Desulphurized gasoline is obtained from sulphurous petroleum oils by cracking the oil in the presence of a natural or chemically modified clay, or a synthetic cracking <PICT:0663901/III/1> catalyst of the silica/alumina or silica/magnesia types, separating a fraction boiling in the gasoline range from the liquid cracking-products, extracting the mercaptans from the gasoline fraction, oxidizing the mercaptans to disulphides, and passing the disulphides to the cracking unit to be cracked simultaneously with the petroleum oil.  The process allows sulphur to be removed as hydrogen sulphide and sulphur dioxide in the gaseous cracking-products and the catalyst-regeneration gases respectively, without loss of oil.  An oil containing 0.5 per cent by weight of sulphur is introduced into unit 1 which contains a synthetic silica/alumina catalyst maintained at 1000 DEG F. Hydrogen sulphide is removed in unit 2 from light hydrocarbon gases by washing with a solution of tripotassium phosphate. Gasoline separated from the liquid products from unit 1, is passed to unit 3 where mercaptans are extracted with an aqueous solution of sodium or potassium hydroxide to which is added a small amount of isobutyric acid or of an alkyl phenol.  The desulphurized gasoline is withdrawn through line 4.  The alkaline solution of mercaptans is warmed in unit 5, a small amount of picramic acid is added, and air is bubbled through the solution whereby the mercaptans are oxidized to disulphides.  The disulphides are dissolved in a naphtha or kerosene fraction which is introduced through line 6; and the solution so obtained is passed via line 7 to cracking-unit 1.  In the case of a petroleum oil containing a very high concentration of sulphur, the cracked-gasoline may be separated into two fractions boiling below and above 220 DEG F; the lower-boiling fraction is treated according to the invention, while the higher-boiling fraction is subjected to hydrogenation in unit 8 to remove thiophenes: the two treated fractions are then blended. Alternatively part of the gasoline from the extraction-unit 3 may be treated in hydrogenation-unit 8.
Patent GB-833411-A (GB)
Title: Improvements in manufacture of carbon black
IPC: F23D14/00
Filed: 1958-05-14
Abstract: <PICT:0833411/III/1> <PICT:0833411/III/2> In producing carbon black by introducing hydrocarbon to be decomposed into the upstream end of a furnace 1 through which a stream of blast flame gases flows longitudinally, the hydrocarbon is introduced as a plurality of symmetrically positioned expanding gas-atomized liquid sprays 18 so directed that the axes of symmetry of the sprays converge at a downstream point lying on the longitudinal axis of the furnace and form angle 15-45 degrees with the furnace axis.  The velocity of the sprays must be greater, e.g. 10-25 times, that of the flame gases, e.g. 2000-8000 ft./min., so that they are not deflected from their directed course before the hydrocarbon is vaporized.  The blast flame gases are produced by introducing fuel through speeds 22 from header 23, and air, under pressure through windbox 6 from 7. The mixture enters furnace 1, which has refractory and heat insulation 2 enclosed in metal shell 3, through symmetrically and uniformly arranged blast ports 8 in burner block 5; 2, 3 or 4 symmetrically arranged spray injectors 9 provide sprays 18 having an angle of spread of 15 degrees.  Air, which may be preheated, or steam under pressure enter through 13, Fig. 2, and flowing through Venturi 15 draw in oil from 10 and chamber 11 through passage 16. The oil is thus, preferably, suspended in the atomizing gas outside the furnace and 100-150 cu. ft. of gas may be used per gallon of oil.  The suspension passes through pipe 17 which may have water-cooling jacket 19. Specification 652,518 is referred to.
Patent GB-978156-A (GB)
Title: Water-insoluble monoazo-dyestuffs of the azobenzene series and process for their manufacture
IPC: C09B29/08
Filed: 1961-04-28
Abstract: The invention comprises water-insoluble monoazo dyes of formula <FORM:0978156/C4-C5/1> wherein Z is a chlorine atom or a nitro, cyano or trifluoromethyl group, R1 is a hydrogen atom or a methyl or ethyl group and the benzene nuclei A, B and C may contain further non-water solubilizing groups.  The dyes are prepared by coupling a diazotized p-chloro, nitro, cyano, or trifluoromethyl-aniline in acid medium with a component of formula <FORM:0978156/C4-C5/2> The coupling may be carried out in the presence of magnesium oxide or pyridine.  The dyes are used to colour polyester fibres in particular polyethylene terephthalate in yellow, orange, red, brown and blue tints.  Examples describe the preparation of the dyes.
Patent GB-1282002-A (GB)
Title: Improvements in or relating to the application of liquids in agriculture
Inventor: HOLROYD JOHN
IPC: A01B1/00
Filed: 1969-03-25
Abstract: 1282002 Reservoir pads NATIONAL RESEARCH DEVELOPMENT CORP 25 March 1970 [25 March 1969] 15634/69 Heading A4K A glove for applying herbicide to individual plants comprises an inner layer 1 of impermeable material e.g. rubber and an outer layer of foamed plastics material e.g. polyurethane, liquid from a portable reservoir being supplied to the inner surface of the foamed material through a non- return valve 7 and a rubber bulb 3 having a slit 4 which opens on compression of the bulb.
Patent GB-586764-A (GB)
Title: Improved wood substitute and method of manufacturing the same
IPC: C08L93/00
Filed: 1944-08-17
Abstract: Scotch glue and waste sulphite cellulose lye are mixed with sawdust, agitated, moulded, pressed and dried to form a wood substitute.  An example specifies 20 per cent.  Scotch glue, 5 gold size, 3.1 gelatine, 11.4 gum acacia, 3.5 non-fibrous cellulose, 11.4 sulphite cellulose lye, and 0.2 aluminium stearate the mixture being moulded and pressed at 230 lbs. per square inch and dried at about 15 DEG C.
Patent GB-157844-A (GB)
Abstract: 157,844. Monroe Calculating Machine Co., (Assignees of Baldwin, F. S.). Sept. 24, 1914, [Convention date]. Zeroizing-mechanism. - In machines for multiplication by repeated addition with the aid of a laterally moving totalizer counter, as set forth in Specification 27231/12, zeroizing-mechanism for the numeral drums of the totalizer and the multiple or revolutions counter is provided whereby a single revolution forwards, and a single revolution backwards of the zeroizing-handle zeroizes both sets of drums. In the totalizer carriage 2, containing the multiplier and totalizer drums 85, 13, on the shafts 84, 60, is mounted a rocking shaft 4 with cams 5 which can alternately engage the pins 7, 6, on the drums. Connected to the zeroizing-shaft 9, through an oppositely-acting clutch connection are mutilated gears 10, 11, engaging gears 12, 14 (normally locked, but unlocked by pins 24, 24', releasing pins on the springs 19<x>, 20<x> from contact with the gears) fixed on the shafts 60, 84, carrying at their other ends notched discs 25, 26, which engage pins 27, 28, on a cross-head 29 fixed to the shaft 4 normally positioned by a spring 32 fixed thereon. On rotating the zerolzing-handle 8 in the direction for zeroizing the drums 85, the shaft 9 is clutched to the gear 11 and the pin 24<1> unlocks the gear 14, this initial movement being allowed by the mutilation of the gear 11. The shaft 84 now revolves, and the cam 26 rocks the shaft 4 to put the cams 5 in the paths of the pins 7 of the drums 85. One complete revolution of the handle 8 in the opposite direction is necessary to zeroize the other set of drums.
Patent GB-379368-A (GB)
Title: Improvements in or relating to devices for carrying bombs and other heavy bodies on and releasing them from aircraft
IPC: B64D1/04
Filed: 1931-05-29
Abstract: 379,368. Bomb-dropping. FRITCSONS, J., 8, Martina eila, and VIKSNE, A., 34, Ormanu iela, both in Riga. May 29, 1931, No. 15805. [Class 9 (ii).] Relates to apparatus for dropping bombs from aircraft and of the type comprising a hook connected by a link to a lever so arranged that the link and lever are normally near their dead-centre position. According to the invention, the link D, Fig. 1, connecting the hook B to the lever E is in compression and approximately horizontal when in the dead-centre position shown. The lever E is pivoted at e and is normally held in place by a projection F carried by a lever K, Fig. 3, which is controlled by a spring k and may be released mechanically or by an electromagnet L ; and this electromagnet may first attract an armature M to unlock the lever K and to increase the pull of the electromagnet thereon, as described in Specification 379,369, [Group XXXV]. When the projection F is thus pulled away, the weight of the bomb carried by a loop A<1> eccentrically to the pivot C of the hook B causes the members B, D, E of the mechanism to turn and release the bomb. This action may be helped by springs H, J, or by a single spring between the parts B, D. The electromagnets L, Fig. 4, of several such bomb-dropping devices may be connected with respective switches P to a main switch Q and battery R ; and in each circuit there may also be a switch N adapted to be opened when the bomb is dropped and an indicator O to show the action of the circuit.