baber/WOPTO huggingface dataset:
Patent GB-1275603-A (GB)
Title: Monoazo compounds and their use as disperse dyes
Inventor: WEAVER MAX ALLAN
IPC: A46B11/06
Filed: 1969-05-12
Abstract: 1275603 Monoazo dyes EASTMAN KODAK CO 12 May 1969 [13 May 1968 (2) 12 July 1968 26 July 1968] 24027/69 Heading C4P New mono-azo dyestuffs have the formulae where R is a phenyl group free from acidic watersolubilizing groups substituted with 1, 2 or 3 substituents chosen from halogen, nitro, lower alkylsulphonyl, lower cyanoalkylsulphonyl, lower hydroxyalkylsulphonyl, lower haloalkylculphonyl, formyl, lower alkanoyl, lower haloalkanoyl, lower hydroxy lower alkoxy alkanoyl, lower alkanoyl, lower alkylsulphonyl alkanoyl, phenylalkanoyl, lower alkoxycarbonyl, cyano, trifluoromethyl, sulphamoyl, lower alkylsulphamoyl, dilower alkyl sulphamoyl, carbamoyl, lower alkyl carbamoyl, dilower alkyl carbamoyl and thiocyanato; R<SP>1</SP> is formyl, lower alkanoyl, lower haloalkanoyl, lower alkoxyalkanoyl, lower cyanoalkanoyl, lower alkylsulphonylalkanoyl, lower phenyl alkanoyl, lower alkoxycarbonyl, benzoyl, lower alkylbenzoyl, lower alkoxybenzoyl, halobenzoyl, lower alkylsulphonyl, lower cyanoalkylsulphonyl, lower hydroxyalkylsulphonyl, lower haloalkylsulphonyl, phenylsulphonyl lower alkylphenylsulphonyl, lower alkoxyphenylsulphonyl, halophenylsulphonyl, phenoxycarbonyl, lower alkylphenoxycarbonyl, lower alkoxyphenoxycarbonyl, halophenoxycarbonyl, cyclohexyl carbonyl, dilower alkylcarbamoyl, or furoyl group; R<SP>2</SP> is H or a lower alkyl or lower alkoxy group; R<SP>3</SP> is an alkylene group of 1 or 2 C atoms; R<SP>3a</SP> is an alkylene group of 1 or 2 C atoms; R<SP>3b</SP> is an alkyl group of 1-6 C atoms or a cyclohexyl group; R<SP>4a</SP> is H, halogen, lower alkyl or lower alkoxy; R<SP>4</SP> is H, halogen, lower alkyl, lower alkoxy or OH; R<SP>a</SP> is 2-thiazolyl, 2-benzothiazolyl, 1,3,4-thiadiazol- 2-yl, 1,2,4-thiadiazol-5-yl, 3-pyrazolyl, or 2- thienyl any of which may be substitutes with other than acidic water solubilizing groups; and n is 1 or 2. These compounds may be made by diazotizing the appropriate amine of general formula -NH 2  and coupling with the appropriate coupling compounds. They are particularly useful for dyeing polyester textile materials.
Patent GB-696474-A (GB)
Title: Improvements in multilayer colour photographic materials
IPC: G03C7/30
Filed: 1949-09-19
Abstract: 696,474. Colour photography. KODAK, Ltd. (Eastman Kodak Co., Richey, F. A., and Stott, J. G.). Dec. 19, 1950 [Sept. 19, 1949], No. 24072/49. Class 98 (ii). A multilayer material has a support as of cellulose ester, paper or glass and three superposed differentially colour-sensitive silver halide emulsion layers, that nearest the support being a usual bromide, bromochloride, bromiodide, or a blue-sensitized chloride or chlorobromide layer, and the remaining two layers being- red and green sensitized chlorobromide layers in which the percentage of bromide, calculated as silver bromide, to total silver halide is 10 to 40 per cent. Preferably the green-sensitized layer is furthest from the support. Couplers to produce subtractively coloured images may be included in the layers. The material is useful principally for printing, for camera use an ultra-violet filter over the lens or over the material is necessary, the blue-sensitive layer being exposed last. Two examples of preparation of the chlorobromide emulsions for the red- and green-sensitive layers, and a table showing the resolution of the material as compared with one having the blue-sensitive layer furthest from the support is provided. As blue-sensitizing dye 3: 3-diethyl-6: 7: 6<SP>1</SP>: 7<SP>1</SP>. dibenzthiacyanine chloride is quoted. Specification 541,589 is referred to.
Patent GB-312005-A (GB)
Title: Improvements in or relating to ladies' garments such as knickers, petticoats and thelike
IPC: A41F9/02
Filed: 1928-08-22
Abstract: 312,005. Israel, A., and Israel & Oppenheimer, Ltd. Aug. 22, 1928. Ladies' undergarments; knickers; petticoats; draw cords; devices for tightening garments at the waist line.-Knickers, petticoats, and like garments retained in position by elastic at the waistline are made with the front a plain and non-shirred so as to prevent a "bunching" effect at the front. The rear b is shirred as usual by means of an elastic band d which is provided in a corresponding tunnel or hem. The hem ceases at e, where the garment is slotted for the band to emerge and engage a button g provided on the inside or outside of the garment. More than one buttonhole f may be provided for adjustment on the end of the band. Loops may replace the buttonholes.
Patent GB-1467329-A (GB)
Title: Magnetic recording head bias arrangements
IPC: G05F1/56
Filed: 1974-05-31
Abstract: 1467329 Magnetic tape recorders SONY CORP 31 May 1974 [9 June 1973] 24145/74 Heading G5R The bias current supplied by a bias oscillator 5 to a magnetic recording head 1 can be adjusted to any selected one of a plurality of non-zero values by means of a switch 9 operable to selectively shunt a resistor 10 across a resistor 11 to thereby adjust the current flow from voltage source terminal 17 via control transistor 8 to oscillator 5. In a tape recorder, switch 9 operates as a tape type selector. By providing positions for switch 9 in addition to the two A, B shown and further resistors corresponding to resistor 10, more than two bias currents to head 1 may be selected. Closure of a switch 16 renders transistor 14 conductive whereby transistor 8 and thus oscillator 5 are turned off.
Patent GB-791232-A (GB)
Title: Improvements in or relating to gas turbine power plants
Inventor: BIRMANN RUDOLPH
IPC: F02C7/18
Filed: 1954-08-19
Abstract: 791,232. Generating combustion products under pressure. DE LAVAL STEAM TURBINE CO. Aug. 19, 1954, No. 24219/54. Class 51 (1). [Also in Group XXVI] Fig. 1 shows a gas turbine plant in which the air enters an annular combustion chamber 20 through annular guide vanes 22, 24, retaining a considerable amount of the whirl velocity with which it leaves the compressor diffuser blades 18, but with the meridional velocity reduced below the flame propagation velocity. A series of fuel nozzles 26 are arranged in a circle about the axis of the plant. Cooling air flows between the wall of the combustion chamber and sheet metal linings 30, 42. In the embodiment shown in Fig. 5, the air passes over heat-exchanger tubes 88 before entering the annular combustion chamber 98 by way of pre-whirl vanes 90 and perforated annular guide vanes 92, 94. Fuel is injected through nozzles 96. Cooling air flows between the wall of the combustion chamber and sheet metal linings 102, 108.
Patent GB-481164-A (GB)
Title: Process for the manufacture of therapeutically valuable gold compounds
IPC: A61K38/01
Filed: 1936-09-04
Abstract: Alkaline earth metal salts of gold keratinates are prepared by treating the reaction products of gold salts and reduced or unreduced keratin hydrolysates with oxides, hydroxides or carbonates of alkaline earth metals.  The products, which are water-soluble, possess therapeutic properties.  The hydrolysis of the keratins may be effected with acids or alkalies and the reduction, if any, may take place simultaneously with or subsequently to the hydrolysis. Keratin degradation products p  produced by enzymatic methods may also be employed.  According to the examples: (1) hair is hydrolyzed with dilute hydrochloric acid and after neutralization with ammonia, auric chloride solution is added, the solution then made alkaline with caustic soda and poured into alcohol; an aqueous solution of the precipitated sodium gold keratinate is acidified, the filtered product suspended in water and shaken with a suspension of calcium hydroxide, filtered and poured into alcohol, whereupon the calcium salt separates out; (2) in the same manner as in (1), hair, horn or wool is hydrolyzed and from the sodium gold keratinate obtained the free acid is prepared; on shaking an aqueous suspension of the acid with strontium hydroxide or magnesium oxide in suspension and pouring the filtered solution into alcohol, the strontium magnesium salt respectively is precipitated; (3) horn is heated with dilute hydrochloric acid, tin added in portions and after neutralization with ammonia, hydrogen sulphide is passed in; to the filtrate auric chloride solution is added and after neutralization with caustic soda is poured into alcohol to precipitate the sodium gold keratinate; an aqueous solution of the latter is treated with hydrochloric acid, shaken with a suspension of magnesium carbonate and the filtered solution poured into alcohol, whereby the magnesium salt is precipitated. Specification 479,358 is referred to.  Samples have been furnished under Sect. 2 (5) of calcium gold keratinates prepared by (1) following the procedure of (3) up to the addition of auric chloride solution and then rendering the solution alkaline by addition of a suspension of calcium hydroxide and pouring the filtrate into alcohol; (2) shaking the acidified solution of a sodium gold keratinate obtained in the process of (3) with a suspension of calcium carbonate and pouring the filtered solution into alcohol.
Patent GB-268661-A (GB)
Title: Brake acting when the trailer is closing up on the tractor
IPC: B60T7/20
Filed: 1926-10-01
Abstract: 268,661. Schlagenhauf, J. Oct. 1. 1926. Applied by backward preasure of tractor or relaxation of pull or push.-To provide for the automatic operation of brakes on a trailer vehicle when it tends to close in on the tractor vehicle, the radius bar 2 is connected to an arm or arms 6 on a rock shaft 5 mounted on the frame member 4 of the trailer. The shaft 5 carries also an arm 11 connected by the link 12 to a lever 13 pivoted on an arm projecting from the frame member 4 and connected to the brakes by a cable 14. Thus if the trailer closes in on the tractor the shaft 5 is turned by the radius bar against the action of a shock absorber 10 and the brakes are applied. The radius bar may comprise a single rod connected to a single arm on the shaft 5 or a pair of divergent rods connected to a pair of arms secured one at each end of the shaft 5. The shock absorber may be of the hydraulic rotational type comprising a stationary partition 18, Fig. 4, having an orifice adjustable by a screw 17 through which oil is forced by a flap 19 mounted on the shaft 5. The casing 10 is kept filled by a reservoir 15 through a check valve 16.
Patent GB-1148151-A (GB)
Title: Improvements in lightning arrester
IPC: H01T4/16
Filed: 1967-05-25
Abstract: 1,148,151. Protective apparatus. GENERAL ELECTRIC CO. 25 May, 1967 [27 May, 1966], No. 24400/67. Heading H2H. A voltage surge arrester 1 comprises two columns A, B in parallel, each column having spark gaps 5, a protective spark-gap 7 associated with a magnetic blow-out coil 6 and grading impedances Z, a non-linear resistance 3 being connected in series with the two columns AB. In other embodiments each column may have non-linear resistance elements connected therein in addition to the resistance element common to both columns. The arrester has a "flip-flop" type of action in that one or other of the spark gaps in one column sparks over initially until the voltage conditions become such that one or other of the gaps in the other column sparks over whilst the first gap clears. The action repeats until the voltage of the line 4 becomes normal. Fig. 3 shows a physical construction of the apparatus.
Patent GB-1329495-A (GB)
Title: Apparatus for handling a liquid material
IPC: B67D1/00
Filed: 1971-04-19
Abstract: 1329495 Dispensing liquids VENDO CO 19 April 1971 [18 Aug 1970] 24619/71 Heading A4T Apparatus handling liquids e.g. beverage dispenser, has flavouring liquid in three containers 14, Figs.1, 2 each having an outlet 60, 32, 44 an inlet 56, 34 for filling and pressurizing with gas and a valve controlled vent 78, 36, the containers being immersed in an insulated tank 12 of liquid 22 heated or cooled by coils 24, sinking in the liquid 22 when the containers are full and rising when they empty. The neck of each container is freely movable in a slot 52 in a removable bracket 50 carrying a switch 68, 18 having an arm 72 extending over the neck between the inlet and outlet which operates the switch in response to the amount of liquid in a container, e.g. when empty, to operate a "sold out" indicator. Carbonated water may be cooled in coils 26 and the container may be independently filled or filled under pressure from another tank.
Patent GB-1162746-A (GB)
Title: Grinding Machine
Inventor: VISCONTI OTTO
IPC: B24B19/00
Filed: 1967-05-26
Abstract: 1,162,746. Grinding. O. VISCONTI. 26 May, 1967 [17 Nov., 1966; 22 Dec., 1966], No. 24738/67. Heading B3D. A grinding machine comprises a cup grinding wheel 8 mounted on a shaft which is adjustable about a horizontal axis passing through the working edge of the grinding-wheel, the axis being perpendicular to the direction of movement of the workpiece whereby flat, concave or convex grinding can be performed, the grinding wheel being rotatable in both directions for left or right hand grinding. The machine may be used for grinding scissors shears, knives or the like and the grinding wheel is belt-driven from a motor 7 and is mounted on a head 5 carried by bolts engaging curved T-slots 11 whereby the head is adjusted about the horizontal axis. The motor 7 is controlled by a switch to rotate the grinding-wheel in one direction or the other. The workpiece is clamped to a work-holder 12 by an hydraulic piston 51, Fig. 7A, in a block 50, the piston being connected by a flexible pipe 52 to a cylinder 53 controlling movement of a slide 14, Figs. 2 and 3, along guide-rods 15 disposed perpendicular to the horizontal axis about which the grinding wheel is adjustable; the arrangement is such that the workpiece is clamped during the active stroke of the slide and released at the end of the return stroke for unloading. The block 50 is mounted on pivots on the upper end of a guide unit 13, which is mounted in bearings 29 for pivotal movement about a horizontal axis, the bearings being carried by a frame 27 guided by linear bearings 28 for vertical movement relative to the slide 14. The lower end of the unit 13 has followers 21 engaging adjustable cams 22 mounted on a rod 25, and the block 50 is connected by a rod 17 to a follower engaging a cam 18 whereby the inclination and vertical position of the workpiece is determined during movement of the slide. The rod 25 carrying cams 22 can be lowered by a cylinder 26 during the return stroke of the slide to provide clearance from the grinding wheel. The rod 25 also carries other pairs of cams which can replace the cams 22. Coolant is supplied to the inner periphery of the grinding-wheel from a nozzle 46, Fig. 8A and 8B, connected by pipe 47 to a pump 38. After use, the coolant passes through a collector 37 and is filtered by a filtering material 34 carried by a chain conveyer 33 which is intermittently driven to unroll the material from a reel 35, the conveyer being controlled by a float switch 42.
Patent GB-248125-A (GB)
Abstract: 248,125. Lanham, W. Dec. 18, 1924. Bevels.-An instrument for finding the bevels required in cutting timber for hip and valley roofs comprises a blade B pivoted to a stock A on which is mounted a number of cams C secured together, so that the blade can be brought into contact with any one of the cams. The cams can be rotated as a whole around the centre D to adapt the instrument to roofs of different pitches.
Patent GB-483550-A (GB)
Title: Improvements in or relating to protein compositions
IPC: C09J189/00
Filed: 1936-09-11
Abstract: Aqueous protein compositions containing potential hardening agents comprise an insoluble inorganic compound capable of reacting with an acid to form a protein hardening agent, a substance capable of forming acid by hydrolysis when the composition is subjected to heating and/or drying, and a volatile alkali in amount sufficient to prevent solution of the insoluble compound.  The insoluble inorganic compound may be colloidal aluminium hydroxide, or an iron, zinc or lead compound, and may be produced by double decomposition in situ. Suitable acid-forming materials are salts, e.g. ammonium salts of fatty acids, readily hydrolyzable esters, e.g. alkyl formates, amides, e.g. formamide, and derivatives thereof, e.g. methylol formamide.  The protein used may be glue, casein or soyabean protein, and fillers, dyes, plasticizers and formaldehyde may be added.  The compositions may be used in the production of washable wallpaper, sized paper and fabrics, adhesives, paints, and plastic compositions.ALSO:Aqueous protein compositions containing potential hardening agents comprise an insoluble inorganic compound capable of reacting with an acid to form a protein hardening agent, a substance capable of forming acid by hydrolysis when the composition is subjected to heating and/or drying, and a volatile alkali in amount sufficient to prevent solution of the insoluble compound.  The insoluble inorganic compound may be colloidal aluminium hydroxide, or an iron, zinc or lead compound, and may be produced by double decomposition in situ.  Suitable acid-forming materials are salts, e.g. ammonium salts of fatty acids, readily hydrolyzable esters, e.g. alkyl formates, amides, e.g. formamide, and derivatives thereof, e.g. methylol formamide.  The protein used may be glue, casein or soya bean protein, and fillers, dyes, plasticizers and formaldehyde may be added.  The compositions may be used in the production of washable wallpaper, sized paper and fabrics, adhesives, paints, and plastic compositions.ALSO:Aqueous protein compositions containing potential hardening agents comprise an insoluble inorganic compound capable of reacting with an acid to form a protein hardening agent, a substance capable of forming acid by hydrolysis when the composition is subjected to heating and/or drying, and a volatile alkali in amount sufficient to prevent solution of the insoluble compound.  The insoluble inorganic compound may be colloidal aluminium hydroxide, or an iron, zinc or lead compound, and may be produced by double decomposition in situ.  Suitable acid-forming materials are salts, e.g. ammonium salts of fatty acids, readily hydrolyzable esters, e.g. alkyl formates, amides, e.g. formamide, and derivatives thereof, e.g. methylol formamide.  The protein used may be glue, casein or soya bean protein, and fillers, dyes, plasticizers and formaldehyde may be added.  The compositions may be used in the production of washable wallpaper, sized paper and fabrics, adhesives, paints, and plastic compositions.
Patent GB-1428886-A (GB)
Title: Apparatus for assembling electrical contacts to a printed circuit board
IPC: H01R43/20
Filed: 1974-06-05
Abstract: 1428886 Assembling components on a printed circuit board AMP Inc 5 June 1974 [25 June 1973] 24853/74 Heading B3A An apparatus for assembling a plurality of electrical contacts (210), Fig. 6 (not shown), to a printed circuit board, the contacts being mounted on a carrier strip (211) and having legs (212) adapted to pass through holes in the circuit board, comprises a contact support comb 26, Fig. 5, mounted on a slide 16, which is movable between a first or a loading position at which the comb and circuit board are mounted on the slide with the contact legs passing through holes in the circuit board, and a second position at which the legs extend towards a reciprocable clinch plate 34, Fig. 3, a stripper block 21 which spaces the carrier strip 211 from the contact legs, and means for moving the stripper block away from the comb for removing the carrier strip from the contacts after they have been assembled to the circuit board. The comb with a strip of contacts is placed in a recess 125 in the slide 16 and the carrier strip 211 is located in a groove 133 in a block 21. A printed circuit board is placed on the slide with one side engaging a flange 122 and the contact legs extending through holes in the board. The slide is moved to its second position by pushing handles 43 whereupon a spring plunger (62), Fig. 2 (not shown), engages in a slot (119) in the slide, and a release pin 24, Fig. 3, moves down in its recess 127 as it crosses a ramp 12 of a back-up plate 11. The stripper block is centralized by cam rods (38), (39), Fig. 4 (not shown), and a plate 17 operates a micro-switch 41 to actuate the plate 34 thereby clinching the contact legs to the circuit board. After clinching and as the cam rods (38), (39) ascend surfaces 131 engage a follower to move the block 21 in its housing away from the comb to remove the carrier strip 211 from the contacts and cause a locking pin 25 to enter the recess 127. The slide is then withdrawn by pressing on the handles 43 and the pin 24 rides up the ramp 12 to displace the pin 25 and release the block 21. The plunger spring (62) rides out of the slot (119), the comb 26 is removed from the recess 125 and the assembled circuit board and contacts removed from the comb.
Patent GB-1484404-A (GB)
Title: Ignition detecting arrangements for diagnostic units for motor vehicle ignition systems
IPC: F02P17/12
Filed: 1975-06-10
Abstract: 1484404 Testing ignition systems DAIMLER BENZ AG 10 June 1975 [14 June 1974] 24862/75 Heading G1U Signals for use in testing ignition circuits of internal combustion engines, e.g. timing or spark voltage tests, are derived by a pick-up arrangement including two connectors 4, 5, Fig. 3, mounted on a frame 10 so as to be relatively movable. The connectors include pick-up coils 16 and integrated circuit amplifiers 17 which feed signals to diagnostic apparatus (not shown) via leads 6. The connectors 4, 5, are inserted between the distributer 1 spark-plug leads 14 and coil high tension lead 13. The connector 5 is movable relative to connector 4 to allow connection to distributers of different sizes corresponding to 4, 6 and 8 cylinder engines. In one embodiment connector 5 slides in a slot in a frame fixed to connector 4, Fig. 1 (not shown), and in another embodiment, the two connectors are mounted on a scissors arrangement, Fig. 2 (not shown). In both cases, adjustment of the connectors to fit a distributer, brings an appropriate figure underneath a window to indicate the number of cylinders.
Patent GB-757008-A (GB)
Title: Improvements relating to trawls and like fishing nets
IPC: A01K75/06
Filed: 1954-08-27
Abstract: 757,008. Trawling gear. GROUSELLE, Y. L. L. Aug. 27, 1954, No. 24940/54. Class 48. In a ground rope of a trawl fishing net of the kind comprising a succession of shafts each passing freely through its respective support 2 by way of an axial passage therein so as to allow free rotation of the support on the shaft, each such shaft is formed as a hollow water-tight tube and the shafts are connected together by link members allowing free angular movement between successive shafts. As shown, the tubular shaft 11 is made water-tight by being welded upon spigot members 12 pivotally attached to link members 3 by pins 13, 14 mounted in knuckles on the link 3 and disposed at right angles to each other. Links 3 may be of such a length as to carry intermediate rollers of smaller diameter than the globe supports 2. A thrust washer 4 is fixed upon the end of each shaft located towards the middle of the trawl. Each shaft has at each end a sleeve 10 to receive the end link 9 of a chain 8 supporting the globe 2 from the ground rope of the trawl.