baber/WOPTO huggingface dataset:
Patent GB-1267915-A (GB)
Title: Ring a-substituted ring a-aromatic steroids
Inventor: LAING STUART BRUCE
IPC: C07J75/00
Filed: 1968-05-24
Abstract: 1,267,915. #<SP>1,3,5(10)</SP>-Steroids. GLAXO LABORATORIES Ltd. 23 May, 1969 [24 May, 1968], No. 25005/68. Heading C2U. The invention comprises #<SP>1,3,5(10)</SP>-steroids having either an etherified hydroxyl group in the 3-position and a formyl or carboxy group in the 1-position, or an etherified hydroxy group in the 1-position and a formyl or carboxy group in the 4-position; and their preparation from the corresponding steroids having a methyl group in place of the formyl or carboxy group by oxidation of methyl to formyl with a 1-electron transfer oxidizing agent (e.g. a ceric or argentic compound) followed, when required, by oxidation of formyl to carboxy (e.g. with KMnO 4 ). Alternatively, the formyl group may be cleaved (e.g. with tris - (triphenylphosphine) rhodium chloride) to give a 3-(etherified hydroxy)-1- unsubstituted or 1-(etherified hydroxy)-4-unsubstituted steroid. 3 - Methoxy - 1 - methylestra - 1,3,5(10),6- tetraen-17-one is prepared from androsta-1,4,6- triene-3,17-dione by the successive actions of AC 2 O/H 2 SO 4 , KOH/MeOH and methyl ptoluenesulphonate, and is subsequently hydrogenated to 3-methoxy-1-methylestra-1,3,5(10)- trien-17-one. 17# - Acetoxy - 3 - methoxy - 1 - methylestra- 1,3,5(10),6-tetraene is prepared from 17#-acetoxyandrosta - 1,4,6 - trien - 3 - one by the successive actions of Ac 2 O/H 2 SO 4 , KOH/MeOH, methyl p-toluenesulphonate and Ac 2 O/Py and is subsequently hydrogenated to 17#-acetoxy-3- methoxy - 1 - methyl - estra - 1,3,5(10) - triene. 3 - Methoxy - 1 - methyl - 19 - norcholesta- 1,3,5(10)-triene is prepared by hydrogenation of the corresponding 1,3,5(10),6-tetraene. 17α - Acetoxy - 3 - methoxy- 1 - methyl - 19 - norpregna-1,3,5(10)-trien-20-one (II) is prepared from 17α - hydroxypregna - 1,4,9(11) - triene- 3,20-dione (I) by the sequence- I # 17α- hydroxy - 3 - methoxy - 1 - methyl - 19 - norpregna- 1,3,5(10),9(11) - tetraen - 20 - one # 17α- hydroxy - 3 - methoxy - 1 - methyl - 19 - norpregna- 1,3,5(10)-trien-20-one # II.
Patent GB-918198-A (GB)
Title: Gate valve for controlling fluid flow
IPC: F16K3/02
Filed: 1961-07-11
Abstract: 918,198. Valves. GROVE VALVE & REGULATOR CO. July 11, 1961 [May 1, 1961], No. 25056/61. Class 135. A gate valve closure 30 has an annular groove 40 in both faces containing a floating carrier 41 for a sealing ring 56, the carrier also being sealed to the outer wall of the groove by ring 58, the upstream pressure forcing the gate and thereby the downstream ring 56 on to its seat around the flow path, and also acting around and behind the upstream carrier to seal upstream ring 56 on its seat, the area within ring 58 being greater than that within ring 56. Sealing ring 56 is mounted in a carrier formed by two rings 48, 52 secured together and mounted loosely or on bolts 67 in the groove. Springs 65 may push the carriers outwardly.
Patent GB-765081-A (GB)
Title: An hydraulic change speed device
IPC: F16H39/14
Filed: 1954-08-30
Abstract: 765,081. Hydraulic variable-speed devices. CAMBI IDRAULICI BADALINI SOC. PER AZIONI. Aug. 30, 1954 [May 21, 1954], No. 25133/54. Class 69(2). An hydraulic variable-speed device having a pump and an engine, both of swash-plate type, arranged coaxially one on each side of a distributing plate has a supplementary rotary pump driven by the driving shaft and supplying oil to the distributing plate to make up leakage. The inclination of the swash plates is controlled by a handwheel which moves a plunger in piston and'cylinder means connected to the swash plate of the pump. The swash plates 5, 8 are connected by a link 36. The pump 2, driven by a shaft 4 through a splined sleeve 32 engaging the casing 6 of the pump, has connecting rods 42 engaging the swash plate 5. The pump drives the engine 3, the casing 7 of which is stationary on a reaction shaft 12. Connecting rods 53 of the engine drive the swash plate 8 connected to a casing 9 having an extension 10 forming the driven' shaft. The distributing plate 11 rotates with the casing 9. The pump and engine casings are spring pressed against the plate. Recesses 97, 98 (Fig. 6) in the plate form distributing ports between the pump and engine, and liquid from the supplementary rotary pumps 16 (Fig. 3) passes via a filter 126, a duct 127, the interior of the shaft 12 and recesses 82 to a duct 99 (Figs. 3<SP>1</SP> and 6) in the plate. Valves 100, 101 admit the oil to either recess 97 or 98 depending on the pressure therein. Each valve is operated by the difference of the pressures on its opposite faces. Further valves 103, 104 exhaust excess liquid via a spring-loaded valve 107 to a reservoir in the bottom of a stationary casing 1. The casing has an intake 111 to the pump 16. The angle of the swash plates 5, 8 is controlled by a handwheel 136 connected by a linkage 140, 141, 146, 147 to a plunger 153 in piston and cylinder means 149, 152 connected to the swash plate 5 by a link 154. For each position of the plunger 153 there is a corresponding position of equilibrium of the piston 152 and of the swash plate 5. The portion 151<SP>1</SP> of the cylinder 149 is supplied with liquid from the pump 2 via the plate 11, and passages 158, 158<SP>1</SP> and 159 connect the opposite sides of the piston. For any position of the plunger 153 the piston is in equilibrium when its passage 158<SP>1</SP> is between the passage 159 and a recess 160 connected to exhaust.
Patent GB-658297-A (GB)
Title: Improvements in or relating to electrical transformers
IPC: H01F38/30
Filed: 1948-09-27
Abstract: 658,297. Transformers. BENDIX AVIATION CORPORATION. Sept. 27, 1948, No. 25162. Convention date, Sept. 30, 1947. [Class 38 (ii)] A shielded current transformer primarily for use in investigating the operation of electrical ignition systems and which eliminates the effects of capacity components comprises a straight conductor 8 forming the primary winding supported in a casing 5 and terminating if required at outlet sockets to permit connection in the ignition system, a lamination 10 surrounding the conductor and carrying on one side the secondary winding 14 connected to an outlet socket 20, shielding being effected by either a discontinuous split metallic sleeve 11, e.g. a split sheath of steel, surrounding the periphery of the winding 14, or a single or two telescoping tubes 27 insulated from each other, surrounding the primary conductor 8. The sleeve, and, if necessary, the core and one end of the secondary winding may be connected by a lead 21 to the case 5, and thence to earth. The core may be split and preferably form two U-shaped parts either of flat laminations or formed by continuous wrapping of a sheet strip around a mandrel, cutting into two parts and securing by a strap and clamp. The casing may be filled with an insulating compound 26, such as polymerized cashew nut shell oil in which case a greased rod, in lieu of the conductor may be inserted prior to filling so that when removed a passage is provided for the conductor 8.
Patent GB-1469328-A (GB)
Title: Agent for preserving green forage
IPC: A23K3/03
Filed: 1974-06-06
Abstract: 1469328 Composition for preserving green forage BASF AG 6 June 1974 [7 June 1973] 25176/74 Heading A1F A chemical composition for preserving green forage such as lucerne, grass or rape before, during, or after storage consists of as the main organic preservative a mixture of glutaric acid, adipic acid and succinic acid present as such or one or more being present as the anhydride. The composition may additionally contain aluminium formate and/or sodium chloride and/or magnesium sulphate and/or sodium nitrate and/or trace elements manganese and/or cobalt and/or copper. The mixture may be added in amounts from 0.15  to 1.5 percent by weight.
Patent GB-682186-A (GB)
Title: Improvements in refrigerating counters
IPC: A47F3/04
Filed: 1949-09-30
Abstract: 682,186. Refrigerators. RYDIN, M. E. Sept. 30, 1949, No. 25200/49. Class 29. A refrigerated display counter for meat and the like comprises a counter plate 10, a built-over transparent protective hood 16 which is open at one side and an air circulating fan 27 which forces air over evaporator coils 26 and through a row of holes 36 at the side of the plate 10 adjacent the open side of the hood, an upwardly flowing cold air-stream thus being formed across the opening, air being withdrawn by the fan through a top collector 38, side channels and channels 42. The walls of the plate 10 slope upwardly and it is divided transversely by detachable hollow partitions 12 having at the top rows of upwardly directed holes 35 which do not extend to the front of the counter plate to prevent condensation on the hood. Air flows from the fan by ducts 29 and square holes 30 to a baffle 52 which directs it into the partitions whence it escapes through holes 35 to form curtains of cold air enclosing the storage spaces above the plate 10. The partitions communicate through holes 32 with a channel 34 in the front wall 14 of which are formed the holes 36. Tights 46 and a table part 20 are provided. The storage spaces of the plate 10 receive trays 53 which may stand on insulators 54 and the plate 10 is cooled by a refrigerating coil 21. Specification 682,231 is referred to.
Patent GB-467162-A (GB)
Title: Improvements in or relating to the manufacture of welding electrodes and electric make-and-break switch contacts
IPC: B23K35/22
Filed: 1935-09-11
Abstract: The welding electrode or rigid make-and-break switch contact described in the parent Specification is modified by including in the alloy 0,1-5 per cent of boron.  Examples consist of (1) 96,5 per cent of copper, 3 per cent of cadmium, and 0,5 per cent of boron; (2) 94,7 per cent of copper, 4 per cent of silver, 1 per cent of cadmium, and 0,3 per cent of boron.
Patent GB-651065-A (GB)
Title: Azo safranine leather dyestuffs
IPC: D06P3/32
Filed: 1948-09-29
Abstract: Azo dyestuffs are manufactured by coupling a monodiazo safranine compound with an arylamine of the general formula AR-NR1R2, wherein R1 represents hydrogen, an alkyl, aralkyl or aryl group, or a hydroxyalkyl group of at least two carbon atoms, R2 a hydroxyalkyl of at least two carbon atoms, and AR an aryl nucleus which is unsubstituted in p-position to the -NR1R2 radical but may otherwise be substituted by halogen atoms or alkyl, alkoxy, alkylamino, hydroxyalkylamino or acylamino groups.  Suitable components are: safranines-10-phenyl- and 10-o-tolyl-2 : 7-dimethyl-3 : 6-diaminophenazinium chloride, 6-dimethylamino-and 6-diethylamino-10-phenyl-3-aminophenazinium chloride, and 10-phenyl-2-methyl-3-amino-6-dimethylaminophenazinium chloride; coupling components-N-di-(b -hydroxyethyl)-aniline and -m-toluidine, N-ethyl-, N-phenyl-and N-benzyl-N-(b -hydroxyethyl)-aniline, N-ethyl-N-(b  : g -dihydroxypropyl)-aniline, 3-(N-di-b -hydroxyethylamino)-acetanilide and its 4-methoxy derivative, N : N : N1 : N1 tetra-(b -hydroxyethyl) - m - phenylenediamine, 2-chloro-N - di - (b  - hydroxyethyl) - aniline, and N - (b -hydroxyethyl) - a  - naphthylamine. Examples illustrate the use of certain of these components. Aqueous solutions of the products dye mordanted leather (e.g. hematine-mordanted quebracho-tanned sheep leather or chrome-tanned calf leather) in brilliant dense shades with good penetration.  The dyestuffs are also useful in the manufacture of hectograph ink compositions and the dyeing of paper.
Patent GB-305079-A (GB)
Title: Improvements in television and other signalling apparatus employing light sensitive devices
IPC: H04N3/04
Filed: 1927-09-26
Abstract: 305,079. Rowe, J. J., and Rowe, C. L. Sept. 26,1927. Television.-In television and like apparatus, a tight-valve comprising a perforated or slotted shutter is combined with a pair of scanning discs or films formed with intersecting slots The picture to be transmitted is projected through scanning discs B, B<1>, Fig. 3, on to a light-sensitive cell, the output from which is amplified and transmitted by wire or wireless to a magnet G, Fig. 2, at the receiving station. This magnet controls a slotted - shutter A which co-operates with a slotted screen A<1> to control the light passing from a 'lamp H through scanning discs on to a screen or photographic plate. The scanning discs B, B', may be formed with slots b. b' respectively, the slots intersecting one another at right-angles, while one disc revolves twelve times as fast as the other and in the opposite direction. The discs may however be replaced by endless bands B<3>, B<5>, formed respectively with slot b<2>, b<3>. the bands moving in opposite directions at different speeds.
Patent GB-659375-A (GB)
Title: Improvements in refrigeration plant
IPC: F25D17/00
Filed: 1949-10-04
Abstract: 659,375. Refrigerating. HALL, Ltd., J. & E. Oct. 4, 1949, No. 25475. Convention date, Oct. 4, 1948. [Class 29] A freezing chamber has a plurality of banks of vertical cooling coils 3 arranged in spaced relationship, with the goods between them so that air forced through the chamber by a fan 4 alternately absorbs heat from the goods and is cooled by the coils and the temperature rise across the chamber is kept at a minimum of about 2‹F. The spaces between the coils have rails for the suspension of the goods. Defrost water is collected in troughs 7 beneath the coils, which may have adjustable louvres closed during defrosting and opened to a horizontal position during cooling. The fan is arranged in a passage 6 in the ceiling. Specification 25020/39 (as open to inspection under Sect. 91) is referred to.
Patent GB-1106705-A (GB)
Title: Apparatus for cutting sheet material
IPC: B26D7/20
Filed: 1965-06-16
Abstract: 1,106,705. Cutting apparatus; sawing. MAATSCHAPPIJ VOOR INDUSTRIELE RESEARCH EN ONTWIKKELING N.V. 16 June, 1965 [17 June, 1964], No. 25479/65. Headings B4B and B5L. Apparatus for cutting sheet material such as textiles in the manufacture of dress parts comprises a platform formed by a flexible band 7, Fig. 1, guided over two mutually parallel deflection elements 3, 4 mounted close to one another on either side of a cutting element 22, which is perpendicular, to the supporting surface of the band, and movable longitudinally, and over. another deflection element mounted therewith. The deflection elements are carried by a frame 1 movable perpendicularly to the longitudinal direction of the elements, and carry the cutting element and the means for moving it. As described, the band 7 is supported by rollers 3-6 and 8-12 and the frame 1 carries rails 13-16 along which upper and lower slides 17, 18 may glide, and be driven by screw shafts 19 and 20, which are connected by a chain drive 21, Fig. 2. The wire saw 22 is guided over wheels 23-27, the wheel 25 being motor driven. In operation, a textile packet 36 is conveyed to the left half of the surface of the band 7 by movement of the band 7 in an anti-clockwise direction, after which the band is fixed. The band-knife or saw 22 is then moved through the packet. Movement of the saw is obtained by a shift of the frame 1 and a shift of the slides 17, 18 which form perpendicular co-ordinates of the saw movement. The frame may be moved by a screw shaft or chain, and the slides 17, 18 are shifted by shafts 19, 20. The shifts may be obtained by hand via a servo-motor, or by automatic coordinate control apparatus as in contour copying. Extra supports 28, 29, Fig. 3, are provided on the frame at the location of the saw, and presses 30, 31 to prevent the material laying itself in folds. In a further embodiment the rollers 3, 4 and supports 28, 29 are replaced by deflection elements 32, 33, Fig. 4.
Patent GB-752209-A (GB)
Title: Improvements relating to electrical circuit controllers
Inventor: HASTINGS RUSSELL
IPC: H01H3/04
Filed: 1954-09-02
Abstract: 752,209. Controllers; rotary switches. LEWIS-SHEPARD CO. Sept. 2, 1954, No. 25495/54. Classes 38(3) and 38(5) A controller for an electrically-driven truck comprises a cam 12 mounted on shaft 14 to which is keyed a block 20, a control handle 22 being joined to the block by means of pivots 28, 30. A plurality of switches indicated at 8 and 10 are circumferentially disposed about the cam and are adapted to be operated in the proper sequence for providing the selected speed of the truck in the forward or reverse directions. The cam has. a number of identical, shallow, notches adapted to be engaged by a spring-pressed roller 64 for holding the cam in any position set by movement of the control handle. When the controller is in an operative position and it is desired to return it to neutral, the handle is moved in the appropriate direction with a roller 50 on the underside of the handle moving over a fixed plate 56, the roller entering a notch 72 in the plate when the neutral position is reached to indicate by a slight dropping of the handle that such position has been attained. To move the handle from neutral, it is raised slightly so that the roller 50 disengages the notch 72.
Patent GB-485752-A (GB)
Title: Improvements relating to electric heat treatment of metal articles
IPC: H05B6/02
Filed: 1936-09-19
Abstract: 485,752. Heat-treatment. DENNEEN, F. S., and DUNN, W. C. Sept. 19, 1936, No. 25510. [Class 72] [Also in Group XI] Progressive heat-treatment of the surface of an article is effected by apparatus comprising independent spaced inductors and quenching means. In Fig. 1, a quenching device 21 is arranged between the tempering inductor 24 and the inductors 18, 19. In Fig. 3, the quenching ring 36 is arranged below the inductors 25, 34, the inductor 25 being adapted for quenching also.
Patent GB-411005-A (GB)
Title: Improvements in electric motors more particularly for submersible pumps, boring apparatus and the like
IPC: H02K5/132
Filed: 1933-09-15
Abstract: 411,005. Bearings. DEISENHAMMER, L., 51, Kõrntnerstrasse, Vienna. Sept. 15, 1933, No. 25625. Convention date, Feb. 21. [Class 12 (i).] In a motor having the rotor divided with bearings between the units, these bearings are carried by members located between ends of stator units. As shown, the units 21 of a pump motor, are separated by a collar 7 on the shaft 1 which has a rubber bearing bush 9 carried by the member 10. The fluid which is pumped by the machine rises through the air gap to the bearing bush 9 and to the upper bearing and descends through passages 25 at the external periphery of the stator core. Ducts 26 communicate between these passages and the bush 9.
Patent GB-1425661-A (GB)
Title: Method for lubricating two-stroke engines
IPC: C10L1/18
Filed: 1973-05-30
Abstract: 1425661 Fuel-lubricant mixtures; lubricants INSTITUT FRANCAIS DU PETROLE 30 May 1973 [2 June 1972] 25658/73 Addition to 1417590 Headings C5G and C5F A 2-stroke engine fed with gasoline is lubricated by introducing into the engine a lubricating composition as defined in Specification 1,417,590, but modified in that it further includes based on the weight of the lubricant from 0À1 to 40% of an additive selected from aliphatic C 10 -C 18  monocarboxylic acids and C 1-8  alkyl esters thereof, aliphatic C 36  dicarboxylic acids and C 1-8  alkyl esters thereof, aliphatic C 54  tricarboxylie acids and C 1-8  alkyl esters thereof, C 10 -C 18  aliphatic monoalcohols, C 10 -C 18  aliphatie primary monoamines and mixtures thereof, the lubricating composition being introduced in a proportion to provide 0À1-2% by weight of the lubricant with respect to the fuel. The lubricating composition may either be premixed with the gasoline or introduced separately from the fuel. Antioxidant additives (e.g. phenolic or amine type), organo salts, detergent additives, ash-free dispersing agent and halogenated derivatives (e.g. ethylene dibromide) may be added to the lubricant.
Patent GB-317859-A (GB)
Title: Improvements in and relating to methods of making electric lamps
IPC: H01K3/16
Filed: 1929-08-23
Abstract: 317,859. British Thomson-Houston Co., Ltd., (Assignees of Johnson, W. M.). Aug. 25, 1928, [Convention date]. Caps. - A method of making lamp bulbs, wherein the filament is positioned accurately with respect to the base pins to provide for automatic focusing when the bulb is mounted in a lamp reflector, consists in sealing in the mount with the filament definitely positioned with respect to that section of the bulb having a diameter equal to that of the open end of the base, inserting at least three bayonet pins into the base at definite positions with regard to the open end thereof, and then fixing the base to the bulb with its open end in contact with the bulb at the said section, e.g. in the basing-machine described in Specification 12731/06. The position for inserting the pins 13, Fig. 1, into the base 10 is determined by the upper surface of a gauge plate 11, while the open end of the base and the gauge rest on a plate 12, and the position of the filament is obtained by supporting the bulb 17, Fig. 2, in the sealing-in machine, which may be of the kind described in Specification 196,591, on a plate 18 having an aperture 19 to receive the bulb of a diameter equal to that of the open end of the base.
Patent GB-151011-A (GB)
Title: Improvements relating to the manufacture of toothed gear wheels
IPC: F16H55/06
Filed: 1920-09-07
Abstract: 151,011. Metropolitan-Vickers Electrical Co., (Aissignees of Bastian, A. J.). Sept. 13, 1919, [Convention date]. Toothed wheels.-A toothed gear-wheel is formed of layers of sheet cork and woven or fibrous material such as duck or paper, the layers being impregnated with a phenolic condensation product as a binder. The sheets are divided into segments which are assembled to form the gear blank, the cork segments being interspersed with the tougher segments so that no two cork segments are in contact. The blank thus assembled is moulded by heat and pressure, the teeth being cut subsequently. The toothed wheel shown in Fig. 1 comprises a central support or spider 1 with roughened periphery 5 upon which the outer toothed portion is preferably moulded, the layers consisting of duck or other fabric segments 3 and cork segments 4. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the application of the invention to " like machine elements " and the use of shellac, copal, or other varnish gum or gum resin as a binder. This subject-matter does not appear in the Specification as accepted.
Patent GB-146764-A (GB)
Title: Improvements in springs for vermin traps
IPC: A01M23/24
Filed: 1919-10-21
Abstract: 146,764. Priest, J. H. Oct. 21, 1919. Animal traps.-A spring for vermin traps and the like is formed from strip metal having the bow end folded upon itself or otherwise doubled, the two sections being secured together by spot welding or riveting. The bow end 7<a> of a strip 7 of steel, after being doubled, is punched and shaped to the required form, the other end 7<b> being bent, as shown, and then hardened.