baber/WOPTO huggingface dataset:
Patent GB-713144-A (GB)
Title: Improved method for the production of diethyl isonitrosomalonate and diethyl acetamidomalonate
Filed: 1952-08-20
Abstract: Diethyl isonitrosomalonate is prepared by dissolving diethyl malonate in from one-third to 3 times its volume of a water-immiscible inert solvent which is separable by distillation from the final product, suspending in said solution at least as many mols. of sodium nitrite as the number of mols. of diethyl malonate present, e.g. 1.25 mols. of sodium nitrite per mol. of diethyl malonate, and from 1 to 10 per cent by weight of water based on the weight of sodium nitrite, and adding glacial acetic acid gradually to the suspension while the latter is maintained at a temperature between 30 DEG  and 70 DEG  C. until the nitrosation of the ester is complete.  The diethyl isonitrosomalonate may be isolated by washing the final solution with water to remove sodium acetate and concentrating the solution to precipitate the desired compound.  The final solution may be treated with hydrogen in the presence of palladium on charcoal to convert the diethyl isonitrosomalonate into diethyl aminomalonate solution, and then adding acetic anhydride to form diethyl acetamidomalonate which is isolated by concentrating the solution and adding water.  A large number of inert solvents are referred to, toluene being the preferred inert solvent.  The catalyst may be recovered after the hydrogenation step and reactivated for further use by washing with acetic acid.  In the examples, diethyl isonitrosomalonate and diethyl acetamidomalonate are prepared.
Patent GB-344759-A (GB)
Title: Improvements in or relating to means for attaching and/or locking spare wheels to bodies of motor vehicles
IPC: B62D43/02
Filed: 1930-07-10
Abstract: 344,759. Spare wheel holders. SOKAL, S., 1, Great James Street, Bedford Row, London.-(Fiat Soc. Anon. ; 250, Via Nizza, Turin, Italy.) July 10, 1930, No. 20956. [Class 136 (i).] A device for securing a spare wheel to the body of a motor vehicle comprises a fixed jaw 3 and a movable jaw 7, which is slidably and angularly movable to engage the tyre, the angular movement being effected by means of a cam. The stem 6 of the jaw 7 passes through a hole 5 in a support 1 bolted to a side wall of the body, the hole being circular at its central part and elongated at its inner and outer ends. When the stem 6 is pulled inwards by means of a thumb-nut or hand-wheel 9 engaging its threaded end, a cam 8 on the stem engages the outer part of the hole 5, thus causing the jaw 7 to swing towards and grip the tyre. The nut or hand-wheel 9 may be located in the interior of the body, in order to prevent unauthorized removal of the wheel.
Patent GB-681364-A (GB)
Title: Apparatus for continuous mining
IPC: E21C27/26
Filed: 1949-08-12
Abstract: 681,364. Mining-machines. JOY MANUFACTURING CO. Aug. 12, 1949 [Sept. 2, 1948; July 5, 1949], Nos. 20991/49 and 20992/49. Classes 68(i) and 85 [Also in Groups XXX, XXXI and XXXV] A mining-machine comprises a crawler track mounted base 2 having thereon a circular track 3 that supports and guides, for rotation about the axis of the track, a carriage 4. On this carriage 4 is mounted, for radial movement with respect thereto, a frame 6 that supports, for rotational movement about a horizontal axis, a disintegrating unit 8 which comprises a number of pick-carrying chains 85 mounted in parallel planes for orbital movement about said frame 7 so that, as the picks disintegrate the face, the mineral is carried back on the top run of the chains to be dropped ton to a scraper conveyer 10 which extends forwards beneath the chains and is incorporated in the frame 6 so that, as said frame rotates about the vertical axis of the track 3, the conveyer 10 always deposits the mineral into a hopper 9 that is secured to the base 2 on the axis of the track 3. A second conveyer 11 extends downwards into the hopper to remove mineral therefrom to a point of discharge clear of the rear of the machine. The rear portion 226 of this conveyer is pivotally secured to the front portion 225 so that it can be rotated about an axis 227 by a hydraulic jack, and the tail portion 229 of this portion 226 is rotated about an axis perpendicular to the plane of the portion 229 by jacks 280. A shovel member 12 is pivotally mounted on the frame for cleaning the floor, the spillage so collected being either guided into the paths of the picks to be carried rearwards thereby, or on to the second conveyer. A scraper bar 223 deflects mineral from the chains, and impellers 131 incorporated with the rear drive sprockets clean the chains of any. material left by the scraper. In the adjustable outer guide head of the frame of the disintegrating means 345 to 348 and 349a, b and c, means are provided to permit of water spraying for dust supression means. The drive to the drive sprockets of the tracks 1 is by an epicylic gear built in within the drive sprocket. Specification 660,207, [Group XXX], is referred to.
Patent GB-902456-A (GB)
Title: Mounting electrical components on printed circuit cards
Inventor: ROLLINSON WILLIAM HENRY
IPC: H01F17/08
Filed: 1958-07-01
Abstract: 902,456. Transformers. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. May 29, 1959 [July 1, 1958], No. 21012/58. Class 38 (2). [Also in Group XXXVI] A transformer having a magnetic core 10 embracing three electrical windings is mounted on the upper face of a printed conductor card 19, the ends 11 of the windings being electrically connected to printed conductors 21 on the underside of the card by terminals 13 which extend from an insulating terminal plate 12, abutting the top face of the core 10, to the card 19 through holes in which they extend for connection by soldering to printed conductors 21. Shoulders 16 and 17 on the terminals 13 rest against the plate 12 and the card 19, respectively. A terminal 18 abutting the underside of the core 10 may be secured by a screw 14 and nut 15 clamping the component to the card 19.
Patent GB-984661-A (GB)
Title: Three-phase current limiting reactor system
Inventor: GESZTI PAL OTTO
IPC: H02H9/02
Filed: 1962-05-31
Abstract: 984,661. Inductors. TRANSELEKTRO MAGYAR VILLAMOSSAGI KULKERESKEDELMI VALLALAT. May 31, 1962, No. 21073/62. Heading H1T. [Also in Division H2] For protecting against unbalanced conditions such as are caused by single phase or two phase earth faults in a three phase system, a three winding reactor, the windings of which are arranged trifilarly, to secure close coupling, has these windings connected each in series with a different phase of the system. The reactor windings 1, 2, 3 (Fig. 1) may be connected in series with the delta windings 5, 6, 4 of a stardelta transformer.
Patent GB-769579-A (GB)
Title: Improvements in and relating to high voltage isolator switches
Inventor: DAVIES DAVID REGINALD
IPC: H02B7/00
Filed: 1954-07-20
Abstract: 769,579. Air-break . switches; switchgear structures. METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. July 11, 1955 [July 20, 1954], No. 21143/54. Class 38(5) In an isolator switching arrangement a bushing 3 having interconnected end contacts 15, 16 is axially movable between positions in which the end contacts 15, 16 co-operate with an intermediate contact 22 and one or the other of two contacts 10, 11 equally spaced from the contact 22. The contacts 10, 11 are supported by insulators 12, 13 and connected to main and reserve busbars (not shown) enclosed in channels below the floor 5 and above the ceiling 6 of a building. The contact 22 is supported by a bushing 18 extending through the wall 1 of the building tc a circuit-breaker (not shown). The bushing 3 is carried on a' bracket 20 which is movable along a guide 21 by a lead screw indicated at 19. An earthed contact 17 carried on the bushing 3 engages the contact 22 when the bushing is in its central isolating position. Shutters 25, 26 close apertures 23, 24 in the floor and ceiling when the bushing does not extend through them, linkages 28 controlling the shutters being operated from the outside of the building or automatically on movement of the bushing 3.
Patent GB-684921-A (GB)
Title: Improvements in and relating to stationary induction apparatus
IPC: H01F29/10
Filed: 1950-08-29
Abstract: 684,921. Transformers and inductors. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 29, 1950 [Sept. 8, 1949], No. 21.355/50. Class 38 (ii). An air gap 8 in the winding leg 6a, 7a, 6b, 7b, of a stationary induction apparatus core is adjustable by means of a screw 20 threaded in the upper part 11 of the apparatus encasing means, the screw 20 acting through a stud 19 screwthreaded therein and secured through a metallic strip 18 and a rivet 4 to a movable portion 6a, 7a of the leg, the internal and external threads of the screw 20 being of different pitch, whereby the differential motion of the screw 20 and stud 19 effects a fine adjustment. The invention is shown applied to a laminated core comprising two spirally wound or bent rectangular sections 2, 3 adjacent sides of which form the gapped winding leg, the lower portion 6b, 7b of which is secured to the encasing means upper part 11 by a screw or rivet 5, an " S "-shaped member 15 and a screw 17. The invention is also applicable to cores comprising a single rectangular loop.
Patent GB-600067-A (GB)
Title: Improvements relating to the treatment of machine parts
IPC: C21D7/10
Filed: 1944-11-01
Abstract: 600,067. Making engine sleeve-valves. GRESHAM, H. E., and HALL, B. Nov. 1, 1944, No. 21377. [Classes 83 (ii) and 83 (iv)] Altering molecular structure.-Finished or partly finished sleeve-valves of internal-combustion engines &c. are strain-hardened by application of a direct or reversed load in tension, compression, bending or torsion and a period of rest after overstraining is then given. The member may be heated to 100-150‹ C. for 30-60 minutes to shorten the rest period. Twisting.-In applying torsion, a member 10 is anchored at one end and the other end is twisted by a screw 20 and the deflection shown on an indicator 23. Stretching.-A sleeve is tension stressed by supporting its top end on an internal abutment and applying by hydraulic means a stretching force to the face end. The extension is measured by a dial gauge.
Patent GB-1349200-A (GB)
Title: Plug for the fixation of elements to a panel of friable core
IPC: F16B5/01
Filed: 1971-04-19
Abstract: 1349200 Fixing devices A BONNET 19 April 1971 [9 Feb 1970] 21410/71 Heading F2H A hollow cylindrical plug 1 with a base 5, a cover 5<SP>1</SP> with a flange 6, and walls 7 which may have ridges or ribs, is moulded from plastics material and has a support plate 8 forcibly inserted and held against its inner walls. The plug is secured by an adhesive in a panel 2 having for example a core of expanded polyurethane between outer layers of polyester. An element 10 and the panel 2 are fixed together by a bolt 9 received in a threaded bore of the plate 8 which may be disposed at either end of the plug so that the bolt may project through and secure the element 10 to either end of the plug. The plug may be formed in two halves adhesively secured together, Fig. 3 (not shown). An additional flanged member may project through the panel from the opposite side receiving the plug so as to embrace the latter within the panel, Fig. 4 (not shown).
Patent GB-890943-A (GB)
Title: Improvements connected with rotary photogravure printing apparatus
Inventor: STAPLEFORD LEONARD ERNEST
IPC: B41F13/40
Filed: 1957-07-06
Abstract: 890,943. Printing machines. HALLEY & SONS Ltd., JAMES. July 4, 1958 [July 6, 1957], No. 21467/57. Class 100(2) In a rotary photogravure printing apparatus comprising a printing cylinder supported in a pivotally mounted cradle which can be rocked by fluid-operated ram means to determine the printing pressure, the ram means comprises at least two rams which exert relatively light and heavy printing pressures when energized by the same relatively high pressure of a fluid supply line, and valve means for selectively energizing the rams to produce the light or heavy printing pressure. The machine is of the type described in Specification 586,986, the rectangular cylinder-supporting cradle being pivoted at two corners and having each of its free corners supported by a pair of pneumatic rams. Each pair of rams comprises concentric hollow cylinders 12, 13 disposed between end closure plates 14, 15 and in which pistons 10, 11 respectively are slidable. The pistons 10, 11 are fastened together by bolts 16 and a connecting rod 21, having a ball and socket type mounting in the piston 10, connects them to the cradle. A high pressure air supply line is connected through a manually controlled changeover valve and branch air lines to chambers 17, 18 beneath the pistons 10, 11. One branch line is permanently connected to the chamber 17 through a port 19 and a low pressure thrust is thus transmitted to the cradle by the piston 10. If air is also fed into the chamber 18 through a port 20 the pressure on the cradle is increased owing to the fact that the combined pistons 10, 11 offer a greater cross-sectional area to the pressurized air than does the piston 10 alone. The pressure of air in the supply line is regulated by a pressure reducing valve and is registered by a gauge which may have a low range and a high range scale to indicate the thrust imparted to the cradle in either position of the changeover valve. In a modification a pair of separate rams supports each side of the cradle, the piston of that ram of each pair which is furthest away from the cradle pivot being of greater cross-sectional area than that of the other ram. High pressure is exerted on the cradle when the large pistoned ram of each pair is connected to the supply of pressurised air and low pressure when the other ram is so connected. In a further modification a pair of oppositely acting rams is connected to the cradle at each of its two free corners, the upward thrusting rams having larger pistons than the downward thrusting rams. A high pressure on the cradle is obtained when only the upward thrusting rams are connected to the air supply and a low pressure when both upward and downward thrusting rams are operated.
Patent GB-715720-A (GB)
Title: Improvements in glow plugs for internal combustion engines
IPC: H01T21/02
Filed: 1952-08-27
Abstract: 715,720. Glow plug. SOC. NOUVELLE DES ISOLANTS & BOUGIES POGNON. Aug. 27, 1952 [Aug. 28, 1951], No. 21516/52. Class 7(4) In a glow plug comprising a hollow plug body 1 containing a filament 13 adapted to be fed with a lowvoltage current, there is provided an igniter coil 14 which effects ignition due to the temperature it attains as a result of the engine operation, the coil 14 being mounted in a socket 15 fitted within one extremity of the body 1. The filament 13 which is wound around an extension 12 of the insulator 7 is connected at one end to the central electrode 11 and at the other end to the body 1 through a conductive packing 9; the spirally-wound coil 14 is welded at each end to the sleeve, the wire being made of non-oxidizable and rustproof alloy or of platinum, platinumiridium or tungsten-platinum, for example. The filament 13 is only used to start the engine.
Patent GB-1018227-A (GB)
Title: End fitting for attachment to a conduit
IPC: F16L19/08
Filed: 1963-05-29
Abstract: 1,018,227. Conduit end fittings. AERO-QUIP A.G. May 29, 1963 [June 5, 1962], No. 21541/63. Heading F2G. A conduit end fitting comprises a body 10 having a bore 12 to receive a conduit 22, 24 and a conical surface 30 transversely disposed to, concentrically disposed about and adjacent to the bore. A gasket compression body 34 is movable parallel to the axis of the body 10, the compression body being formed with a bore 40 and a conical surface 36 parallel to and opposed to the surface 30. An annular, cylindrical surface 28 concentric with and spaced from the bore 12 is provided on one of the bodies and intersects one of the surfaces. An annular conical gasket of a material softer than that of the cylindrical surface has internal and external diameters substantially equal to the diameters of the conduit and the cylindrical surface respectively and the angle made by the gasket at the axis of the first bore is smaller than that of the surfaces 30, 36, axial compression between the surfaces forcing the gasket into sealing contact with the conduit and cylindrical surface. The body 10 is provided with a tube support 14. As the compression body is screwed into the body 10 the conduit is carried farther into the latter by the frictional grip of the gasket on the conduit. The fitting and compression bodies 10, 34 may be of brass, steel, stainless steel or aluminium and the gasket of brass of aluminium. In a modification, Fig. 2 (not shown), the compression bodies are screwed on to the outer surface of the body. In a further embodiment, Figs. 3, 4 (not shown), two gaskets are placed between the surfaces, the outer one being of a material harder than that of the conduit and cylindrical surface so that it bites into and is retained on the conduit on forming the joint and on dismantling the joint respectively. The second, inner gasket is as the gasket in the other embodiments.
Patent GB-1139097-A (GB)
Title: Process for producing 5'-purine nucleotides
IPC: C12P19/32
Filed: 1966-05-16
Abstract: 1,139,097. 5<SP>1</SP>-Purine nucleotides. KYOWA HAKKO KOGYO CO. Ltd. 16 May, 1966 [18 May, 1965], No. 21559/66. Heading C2C. 5<SP>1</SP>-Purine nucleotides are prepared by culturing a micro-organism in the presenoe of a purine base in an aqueous nutrient medium under aerobic conditions, the micro-organism being of a strain which is not a purine base-requiring mutant strain but has the characteristics of being capable of (1) producing at least one of the compounds ribose-5-phosphate and 5-phosphoribosyl-1-pyrophosphate outside the cell walls thereof and (2) secreting the enzymes 5-phosphoribose pyrophosphokinase and 5<SP>1</SP>-purine nucleotide pyrophosphorylase from the cells thereof and recovering the product. The preferred strains of micro-organism include bacteria such as Bacillus megaterium, Arthrobacter ureafaciens, Micrococcus glutamicus, Corynebacterium rathayi, Brevibacterium ammoniagenes and Micrococcus sodonensis, moulds such as Aspergillus oryzae, Aspergillus sojae, Eremothecium ashbyii and penicillium chrysogenum, yeasts such as Saccharomyces cerevisiae, Torula utilis and Schizosaccharomyces pombe and actinomycetes such as Streptomyces fradiae and Streptomyces griseus. Examples are given for the preparation of 5<SP>1</SP>-inosinic acid, 5<SP>1</SP>-guanylic acid and 5<SP>1</SP>-adenylic acid and sodium salts thereof.
Patent GB-680683-A (GB)
Title: Improvements in or relating to fish hook making machines
IPC: B21F45/12
Filed: 1950-09-01
Abstract: 680,683. Making fish-hooks. AUBURN FISHHOOK CO., Inc. Sept. 1, 1950 [Sept. 3, 1949], No. 21569/50. Classes 83 (ii) and 83 (iv). Shearing.-In a fish-hook making machine reciprocated wire grippers have fluid-pressure means for applying pressure to the grippers. A slide 24 carries a fixed gripper 16 and a gripper 18 moved from a lever 52 pivoted on a pin 46 on the slide and actuated by a rod 50 from an eccentric 60. The slide also carries a fluid cylinder 100 with a plunger 96 contacting the lever 52 and controlled by a valve 122 actuated by an extension 134 of a lever 92 carrying a wire hold-down 90. A shear 74 actuated by a lever 76 is similar to that described in Specification 622,567. When the lever 50 moves forward to swing the gripper lever 52 and advance the slide 30, the valve 122 is actuated by the extension 134 to cause the plunger 96 to apply pressure to the gripper 18. At the end of the feed movement the holddown 90 is moved to engage the wire, the shear is actuated, and the extension 134 operates the valve 122 to release pressure on the gripper 18 to allow retraction of the slide.
Patent GB-455941-A (GB)
Title: Improvements relating to spring padding for laundry machinery
IPC: D06F83/00
Filed: 1935-07-30
Abstract: 455,941. Ironing machines and presses; rollers. JOHNSTON, W. J., Dungavel, Caldwell Road, West Kilbride, Ayrshire. July 30, 1935, No. 21575. [Classes 42 (ii) and 138 (ii)] In spring padding for laundry ironing machine rollers or for ironing-presses, of the type including a metallic strip whereon is mounted a series of helical springs, a supplementary flexible metallic strip is interposed between the springs on the usual fabric padding. The strip may be integral with or separate from the strip which carries the springs, and in the former case it may be turned over the outer faces of the springs.
Patent GB-1423845-A (GB)
Title: Basic azo dyestuffs and process for their preparation
IPC: C09B44/10
Filed: 1973-05-07
Abstract: 1423845 Basic monoazo dyestuffs containing carboxylic acid ester groups HOECHST AG 7 May 1973 [5 May 1972] 21585/73 Heading C4P Novel dyestuffs, free from sulphonic acid groups, have the formula wherein D<SP>(+)</SP> is an optionally substituted thiazoliurn, benzothiazolium, triazolium, benzotriazolium, pyrazolium, indazolium, pyridinium, quinolinium, arylguanazolium, benzimidazolium, naphthothiazolium, or naphthimidazolium radical; A is an optionally substituted phenylene or naphthylene radical or -A-N(R)- is an optionally substituted 1,6-(1,2,3,4-tetrahydro)quinolinylene or -7,8-benzoquinolinylene radical, 1,6-benzomorpholinylene radical or 1,3- indolylene radical; R is H or an optionally substituted alkyl, cycloalkyl, aralkyl or aryl group; Y and Z are each H or optionally substituted alkyl; R 1  is optionally substituted alkyl, cycloalkyl, aralkyl or aryl; and X<SP>(-)</SP> is an anion. They are prepared by diazotization and coupling, oxidative coupling using a hydrazone, quaternization or esterification. In quaternizations using, for example, an alkyl halide or dialkyl sulphate, secondary ring nitrogen atoms may also be alkylated. Starting materials and intermediates in these processes are prepared by the same basic methods. The novel dyestuffs are suitable for the production of writing and stamping inks or of pastes for ball point pens and may also be used in offset printing. They are also suitable for the dyeing, printing and mass colouring of tannined cellulosic fibres, silk, hair, leather, coco fibres, jute, sisal or synthetic fibres such as acetate rayon, polyamide, and acid modified polyamide, polyolefine and polyester, in particular fibres containing polyacrylonitrile and polyvinylidene cyanide.
Patent GB-574718-A (GB)
Title: Improvements in wardrobe-cases, dress-cases and the like
IPC: A45C13/03
Filed: 1943-12-24
Abstract: 574,718. Wardrobe cases. BROOKS & CO., Ltd., J. B., and BROOKES, T. J. W. Dec. 24, 1943, No. 21632. [Class 133] [Also in Group XIV] In a wardrobe-case of the type' for containing a garment hung from a hanger in the case and provided with a frame over which the garment is draped when the case is open and which can be turned down over one part (either the lid or body) of the case, an auxiliary frame is provided hinged to the other part and is adapted to be turned down over the garment to facilitate folding the latter. The main frame 5, of rectangular shape and comprising two parallel metal bars 6 connected together by a pair of cross bars 7, 8, is hinged to the lid 1 of the case by pins 9. A U-shaped member 11 supports frame 5 in its turned down position, its upper cranked ends 11a being jointed to the extremities of the side bars 6. The auxiliary frame 18 is of U-shape and comprises a horizontal crossbar and a pair of cranked side arms 18a jointed at 19 to lid 1 to make a second definite fold in the garment 12 when the main frame is raised and moved into the lid. The frame 5 is held in position by means of inwardly-extending projections 14 on the extremities of the cranked ends 11a engaging with a spring tongue 16 attached to the end walls of lid 1. In a modification of the retaining attachment a projection engages and is free to travel along a curved slot or groove before engaging a recess. In a further modification a book attached to the extremity of the cranked end 11a is adapted to engage with a pin on the lid.