baber/WOPTO huggingface dataset:
Patent GB-446574-A (GB)
Title: Manufacture of a thiazine dyestuff
Filed: 1934-10-25
Abstract: A thiazine dye is prepared by oxidizing p-aminodimethylaniline thiosulphonic acid and monomethyl-o-toluidine to the indamine thiosulphonic acid, oxidizing this in the absence of zinc chloride to the thiazine dye, separating the latter in the absence of zinc chloride in the form of its base, and transforming this base to the hydrochloride.  The product is particularly suitable for making hectograph inks.  In an example, p-aminodimethylaniline thiosulphonic acid is oxidized with monomethyl-o-toluidine by means of sodium bichromate and sulphuric acid, copper sulphate added and temperature raised to 90 DEG  C.; the dye-base is precipitated by adding caustic soda and converted to the hydrochloride.  Specification 5268/96, [Class 2], is referred to.
Patent GB-777315-A (GB)
Title: Improvements in and relating to permanent magnet yokes
IPC: H01F7/02
Filed: 1955-10-26
Abstract: 777,315. Magnets. MAGNAFLUX CORPORATION. Oct. 26, 1955 [Feb. 14, 1955], No. 30641/55. Class 35. [Also in Group XXXVI] A permanent magnet yoke for use in the magnetic particle method of detecting flaws and other surface discontinuities in articles capable of being magnetized comprises a handle portion having a pair of elongated plates 12 in spaced apart parallel relationship for receiving an arm 14 at each end. Each arm has a flattened end extending between the plates against the plane surfaces of which the arms are resiliently held for relative pivotal movement by means of bolts 19 provided with spring washers so that swivelling movement of the arms is allowed for with sufficient resistance to such movement to ensure that the arms will remain in the position to which they are adjusted. The cylindrical ends 23 of the arms are connected to cylindrical permanent magnets 24 and polepieces 25 extend from the free ends of the magnets. Swivel pins, extending axially through the members 24 and retained within the ends 23, are used for mounting the polepieces, means being provided for adjusting the resistance to the axial turning movement of the polepieces which are provided with sloping end faces 45 to ensure good contact with a work-piece 46. The yoke may be positioned upright with regard to the surface undergoing test, the strength of the permanent magnets being sufficient to hold the yoke in position.
Patent GB-262765-A (GB)
Title: Improvements in drawing frames for cotton spinning
IPC: D01H5/26
Filed: 1926-12-03
Abstract: 262,765. Hoffmann. F. Dec. 10, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Rollers and roller heads. - The feed rollers a, b in drawing mechanism for cotton spinning are formed with rounded corrugations and mesh in the manner of toothed wheels, the pitch being at least 5 mm. and the depth approximately 2 mm. The yarn passes from the rollers a, b through a drawing reach comprising the band h and co-operating rollers i, j, k, p, r to the delivery rollers c, d. To facilitate replacements the rollers a, b may be provided with corrugated sleeves t1, t2.
Patent GB-613433-A (GB)
Title: Improvements in or relating to enclosed electric switchgear
IPC: H02B1/00
Filed: 1945-11-16
Abstract: 613,433. Switchgear structures. NAAMLOOZE VENNOOTSCHAP FABRIEK VAN ELECTRISCHE APPARATEN VOORHEEN F. HAZEMEIJER & CO. Nov. 16, 1945, No. 30730. Convention date, Nov. 2, 1942. Addition to 611,229. Drawings to Specification. [Class 38 (v)] The invention of the parent Specification is modified by replacing the compressed-gas power-switches by thyratron gas-discharge tubes, the series break isolating switch operatively associated with this power switch being opened automatically after the power switch opens. The invention is described in detail in its application to the arrangements shown in Figs. 4 and 9 of that Specification.
Patent GB-409742-A (GB)
Title: Improvements in bottles and like containers and closures therefor
IPC: B65D41/10
Filed: 1932-11-01
Abstract: 409,742. Capsules for bottles. JACKSON MANUFACTURING CO., Ltd., 19, Queen Elizabeth Street, London.-(Faltlhauser, W. ; 1, Odeonplatz, Munich, Germany.) Nov. 1, 1932, No. 30756. [Class 125 (iii).] Relates to presscaps ' for bottles, having resilient peripheral tongues which engage a bead on the bottle neck, and an inwardly exte nding marginal ridge which is held in contact with the rim of the neck. According to the invention the shape of the bottle neck and that of the cooperating tongues 3 is stated to be such that a rise in pressure within the bottle causes the ridge 9 to be more firmly pressed on the bottle, as shown in the chain lines in the figure. Two frusto-conical surfaces form the bead on the bottle. A washer 6 is inserted in the cap and a sealing ring 5 may be affixed thereto. The tongues 3 are said to slide further under the shoulder 8 when the pressure rises in the bottle. Specification 383,568 is referred to.
Patent GB-226953-A (GB)
Title: Improvements in or relating to foundation webs or fabrics for upholstery and the like, and to the manufacture thereof
IPC: A47C23/053
Filed: 1923-12-07
Abstract: 226,953. Ashmore, H. Dec. 7, 1923. Capping; eyes and loops.-The ends of stranded wire ropes are hollowed out and strengthened by a short core piece a<3> welded therein so that the wires may be bent into eyes at their ends.
Patent GB-900792-A (GB)
Title: Application of tape to moving objects
IPC: B65C1/02
Filed: 1958-09-26
Abstract: 900,792. Applying adhesive tape. MINNESOTA MINING & MANUFACTURING CO. Sept. 26, 1958 [Sept. 26, 1957], No. 30837/58. Class 73. In a machine for applying a length 12<SP>1</SP> of adhesive tape 12 to a surface of an article 45 or 45<SP>1</SP> in motion the tape 12 is fed from a supply R on to the outer cylindrical surface of a continuously rotating tape applying roll 26 and is held thereon by a vacuum applied internally of the roll and which exerts its effect through evenly distributed apertures 32 around the circumference of the roll, the tape 12 being fed by means between the source R and the roll 26 which prevents the tape engaged on the roll from moving at the circumferential speed of the roll, and in which lengths of tape at the free end of the tape and which are engaged with the roll are successively severed from the remainder, thereby freeing them to travel on at the same speed as the roll and to be rolled on to the article 45 or 45<SP>1</SP> by the roll. As shown in Fig. 1, the severing means comprises a knife 35 movable at regular intervals from a retracted position to a severing position in contact with a metallic portion of the peripheral surface of the roll 26. Alternatively, the severing means may comprise a wheel 50 (Fig. 4) equipped with a series of blades 51. The wheel 50 is rotated periodically or continuously in timed relation with the article 45. The feed means shown in Fig. 1 comprises a power-driven drum 15 having a knurled peripheral surface disposed between the source R and the tape applying roll 26. The tape 12 is trained at least 90 degrees around the drum 15 with the adhesive side of the tape contacting the knurled surface which affords reduced area contact with the tape such that upon rotation of the drum the vacuum means in the roll 26 will draw the tape around the roll 26. The roll 26 rotates continuously but the drum 15 only makes a single revolution at a time. The advanced unsevered length of tape 12 that is trained around the roll 26 is normally motionless, the roll 26 slipping around inside the paper. However, when the length 12<SP>1</SP> of the tape is severed the vacuum in the roll 26 will act through the openings 32 to hold the length fixed to the peripheral surface of the roll so that it will be carried by the roll to the tape applying station. In a modification shown in Figs. 4 and 6, a tape pull-off roller 61 having a knurled surface feeds tape to a wheel 62 having a knurled groove 63. A thin wheel 65 extends into the groove 63 where it is held by a spring 66. The wheel 65 presses the tape into adhesive contact with the groove. This gives the tape a longitudinal ridge which stiffens it so that it will pull itself loose from the wheel 62 and will pass to the applying wheel 26. As shown in Fig. 8, a length 12<SP>1</SP> of tape may be applied to each of a series of cartons 45<SP>1</SP> moving on a conveyer belt 85 past the wheel 26.
Patent GB-315164-A (GB)
Title: Improvements in driving means for mixing or similar apparatus for liquids
IPC: B01F15/00
Filed: 1928-10-24
Abstract: 315,164. Carpmael, M. H., (Snia-Viscosa). Oct. 24, 1928. Stationary mixers with rotary stirrers. - In mixing and other machines in which a vertical driven shaft passes through the base of a container holding liquid, the shaft passes through a sleeve which is mounted on the base of the container and passes to a point above the level of the liquid, the driven members, such as stirrers, being mounted on a concentric sleeve connected at the top to the shaft. The driving shafts 1, Fig. 1, pass through bearings 5 to which are screwed the sleeves 6. The conoentric sleeve 7, Fig. 2, is driven from the shaft by a cross member 16, and is supported in a bearing 19, 20 on a stub shaft 22. The stirrers 10 are provided with hubs 9 mounted on the sleeve 7, the hubs being spaced apart by spacers 8, the bulbs and spacers having interengaging parts 12.
Patent GB-864743-A (GB)
Title: Telephone subscribers index
IPC: B42F17/34
Filed: 1959-09-10
Abstract: 864,743. Card index selectors. ZANDELIN, J. S. Sept. 10, 1959 [Sept. 16, 1958], No. 30913/59. Class 146(1). A card index for a telephone subscriber comprises a flat boxshaped casing 1 adapted to be supported on a desk &c. by rubber feet 11, guides 4, 5 on the inner faces of the side walls 2, 3 of the box to receive slidably a plate 7, and a number of doublearmed levers 15 pivotally mounted on a shaft 14 carried by the plate 7. The plate 7 has rectangular recesses at the front and rear edges, the front recess 18 receiving buttons or keys 22 on the front ends of the levers 15, and the rear recess receiving the rear ends of the levers which are each forked at 19 and provided with a roller 20. The index cards 23 correspond in number with the levers 15 and are stacked between the casing 1 and the top of the plate 7, with their side edges resting on the guides 4, 5. The cards are of the same size, and a recess is provided at the rear edge of each card; the recess in the top card has a width corresponding to the width of one forked head 19, the second card has a recess the width of two forked heads 19, and so on. In operation, when a particular key 22 is depressed, the corresponding lever 15 is pivoted about the shaft 14, and the forked head 19 thereon is raised to pass through the recesses in all the cards 23 except that immediately above the one required. The roller 20 on the actuated lever 15 will urge all the cards 23 above the card required against the underside 27 of the top wall of the casing (as shown in Fig. 5), so that when the plate 7 is subsequently withdrawn, an edge 26 on the plate will withdraw the rest of the cards 23 with the required card uppermost. The upper side of the casing 1 has recesses therein to receive the rubber feet of a portable telephone set.
Patent GB-266835-A (GB)
Title: Improvements in or relating to artificial silk spinning machines
IPC: B04B9/08
Filed: 1925-12-08
Abstract: 266,835. Rushton, J. L., and Lever, J. Dec. 8, 1925. Rollers; thread guides; driving-arrangements; guards and protectors for machinery, arrangement and disposition of.-In artificial silk spinning machines a longitudinal member 10 supports bearings for a shaft 12, and bearings 26 for subsidiary shafts 25 carrying Godet rollers 11 and driven separately from the shaft 12. the gearing between the shaft 12 and the shafts 25 being enclosed in casings which are each self-contained and distinct from the member 10. The bearings of the shafts 12, 25 are similar, and comprise a bush 36 with circumferential and longitudinal grooves 37, 38, and are lubricated by rings 34. Each casing overlaps the bearing 26 and extends beneath the gearing, and comprises a member 39 secured to the bearing by a bolt 40 and a member 41 bolted thereto, and is used as a grease container for the gears and serves to protect the parts from fumes. A sleeve provided with a circumferential drip edge 29 is mounted on the shaft 25 and prevents liquid from entering the bearing.
Patent GB-360163-A (GB)
Title: Improvements in or relating to bicycle stands
IPC: B62H3/00
Filed: 1930-10-16
Abstract: 360,163. Cycle stands. WAGNER, I. and NEHER, C. A., (trading as WAGNER & NEHER), 80, Hauptstrasse, Leider, Aschaffenburg, Germany. Oct. 16, 1930, No. 31053. Convention date, Oct. 17, 1929. [Class 136 (i).] In a multi-stage stand for bicycles and motor bicycles having supporting members in the upper stage disposed between the stands of the lower stage, the upper supporting members are limited in their tilting movements by means associated therewith and when swung into their horizontal position are held automatically against tilting back by the weight of the bicycles. In the construction shown in Fig. 5, the upper supporting members are each mounted on a pivot 19 and provided with a curved arm 21 which moves through a fixed guide 22. A stop 20 on the end of each arm engages a guide 22 when the stand is tilted and limits the tilting movement. The bicycle is retained in position by a retaining bridge 8. In another construction shown in Fig. 4, the pivot 10 of the bicycle support 3 slides in guide slots 11 and the stand is further connected by a link 16 to a fixed bracket 15. The link limits the tilting movement and also moves the pins 10 along the slot 11 when the support 3 is tilted.
Patent GB-651958-A (GB)
Title: Improvements in light sensitive emulsions containing color formers capable of yielding non-migratory azine dyestuffs
IPC: G03C7/32
Filed: 1948-11-30
Abstract: 3 : 5-Di-(octadecylsulphonamido)-nitrobenzene is prepared by refluxing together octadecylsulphonyl chloride, ether, 1-nitro-3:5-phenylenediamine and pyridine.  3 : 5-Di-(octadecylsulphonamido)-aniline is prepared by reducing 3 : 5-di-(octadecylsulphonamido) - nitrobenzene in aqueous sodium hydroxide solution with hydrogen under pressure in presence of platinum oxide.  3 : 5-Di-(p-diphenylsulphonamido)-aniline, 2 : 5-di-(p-stilbenesulphonamido)-phenol, 3 : 5-di-(stearoylamidoethylsulphonamido) - aniline and 3 : 5 - di-(p1-myristoylamidobenzenesulphonamido)-aniline are similarly prepared.  3 : 5 - Di - (Aminoethylsulphonamido) - nitrobenzene is prepared by reacting 1-nitro-3 : 5-phenylenediamine with aminoethylsulphonyl chloride in presence of pyridine.  3 : 5 - Di - (stearoylamidoethylsulphonamido)-nitrobenzene is prepared by reacting 3 : 5-di-(aminoethylsulphonamido) - nitrobenzene with stearoyl chloride.  1 - Nitro - 3 : 5 - di - (p - acetylaminobenzenesulphonamido)-benzene is prepared by adding p-acetamidobenzenesulphonyl chloride to a mixture of 5 - nitro - m - phenylenediamine, benzene and pyridine, and refluxing.  1 - Nitro - 3 : 5 - di - (p - aminobenzenesulphonamido)-benzene is prepared by refluxing 1-nitro-3 : 5-di-(p-acetylaminobenzenesulphonamido)-benzene with aqueous sodium hydroxide.  1 - Nitro - 3 : 5 - di - (myristoylaminobenzenesulphonamido)-benzene is prepared by refluxing 1 - nitro - 3 : 5 - (p - aminobenzenesulphonamido)-benzene with pyridine and myristoyl chloride.  3 : 5 - Di - (p - myristylbenzenesulphonamido)-N : N-dimethylaniline is prepared by reacting myristylbenzenesulphonyl chloride with 1-di-methylaminophenylenediamine.  2 : 5-Di-(m-myristylsulphamylbenzenesulphonamido)-phenol is prepared by reacting 2 : 5-diaminophenol with m - benzenedisulphonyl chloride, and reacting the product with myristylamine. p-Myristylbenzenesulphonyl chloride is prepared by reacting sodium p-myristylbenzenesulphonate with PCl5 or POCl3.  Sodium p-myristylbenzenesulphonate is prepared by reacting myristyl bromide or chloride with benzene in the presence of a Friedel-Crafts catalyst, then sulphonating with oleum, and finally neutralizing with sodium hydroxide.  Specifications 458,400, [Group XX], and 633,760 are referred to.
Patent GB-331158-A (GB)
Title: Washing machine for raw materials for shoddy
IPC: D01B3/10
Filed: 1929-10-14
Abstract: 331,158. Waffenschmidt, H. Oct. 14, 1929. Rotary washing and like machines.-To obtain an even feed of wool waste &c. to a washing machine, the material is dropped into a box s having at the bottom at one side an inlet r for water which washes the material through an opposite opening t into a train comprising pairs of rollers d, h submerged in water in a tank a. The lower rollers d are mounted in the tank a and driven in the same direction whilst the upper rollers h which are driven by them are mounted in a cover b pressed down on the tank by screws i and leaf springs secured at their ends in notches n in bars m secured to the tank. Sieves strengthened by bars p keep the material on the rollers which are so arranged that they pass the material out of the liquor at the end of the tank remote from the opening t. Several tanks may be mounted in series.
Patent GB-451742-A (GB)
Title: Improvements in or relating to strainer plates for the manufacture of wood pulp, cellulose or paper or the like
IPC: D21D5/04
Filed: 1935-11-11
Abstract: Strainer plates for use in the manufacture of wood pulp, cellulose, or paper are made of aluminium or aluminium alloy coated anodically with aluminium oxide or hydroxide and, sometimes, given a subsequent heat treatment.  A thin coating only of oxide may be given, and a hard metal, such as nickel or chromium, deposited on the coating by electrolysis.  If chromium is used, nickel is preferably deposited first.
Patent GB-859615-A (GB)
Title: Improvements in or relating to compressors
Inventor: LONG EVERETT
IPC: F04D29/10
Filed: 1958-09-30
Abstract: 859,615. Stuffing-box substitutes. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Aug. 10, 1959 [Sept. 30, 1958], No. 31119/58. Class 122 (5). In a compressor having a rotary driving-shaft 13 extending through a casing wall subjected on one side to the compressed fluid pressure and on the other side to an equal or slightly less pressure, the shaft is sealed by means comprising a labyrinth gland 16 connected intermediate its length to a bleed-pipe 24 connected to the compressor inlet 6 and including a filter 25 whereby leakage in the gland passes to the compressor inlet and any filterable contaminate, such as oil or oil vapour, is removed in the filter 25. The invention is shown applied to a circulator for a gas-cooled nuclear reactor comprising an impeller 3 which circulates gaseous coolant, for example carbon dioxide, in a heat-exchanger casing 34 and is driven by an electric motor 4 housed in a sealed casing 5 pressurized with the same gaseous coolant to a pressure equal to or slightly less than the circulator outlet pressure. The shaft 13 is supported in oil-lubricated bearings 14, 15 and the lower part 9 of casing 5 is enclosed in a casing 11. An oil thrower 23 prevents surplus oil from the bearing 14 creeping along the shaft 13 and any oil or oil vapour that enters the gland 16 from the casing 5 is drawn through the bleed-pipe 24 and trapped in the oil filter 25. An emergency motor 18 is fitted on the shaft 13 for use should the motor 4 fail. To prevent escape of coolant from the casing 34 when the motors 4 and 18 are inspected or overhauled the shaft and motor assembly, when at rest, is lowered by a jacking motor 28, which actuates through gearing a cam-ring 32 contacting a cam surface 33 on the thrust-bearing 15, until the impeller 3 seats on a seal 27 in the casing 34. The casing 5 may then be purged of coolant 1 and the parts 9 and 11 removed to give access to the motors.
Patent GB-384417-A (GB)
Title: Improvements in or relating to the reproduction of sound from sound film records
IPC: G11B7/00
Filed: 1931-11-10
Abstract: 384,417. Optical sound-reproducing apparatus. KONEMANN, H., 4, Gereonstrasse, Munster, Westphalia, Germany. Nov. 10, 1931, No. 31169. Convention date, Dec. 4, 1930. [Class 40 (ii).] A method of automatically regulating the volume of sound in the reproduction of soundrecord films of the variable-density type, consists in the provision of a photo-electric control device which is adapted to regulate the quantity of light falling upon the film 4 and is acted upon by a deflected portion of the light beam between the film and the light-sensitive cell 8 controlling the loud-speaker 10. The control device includes a light-sensitive cell 7, amplifier 11, rectifier 12, and electromagnet 13, and the armature 14 of the latter is adapted to oscillate a screen 15 arranged in the path of the light beam so as to control the amount of light passing to the film in accordance with the amount of light deflected by a prism 6 on to the cell 7. The screen 15 is so shaped that at no position does it cut off any part of the portion of the light beam falling upon the prism 6. The extent of movement of the screen 15 may be regulated by providing an output regulating device, such as a potentiometer, across the input terminals of the amplifier 11.
Patent GB-174758-A (GB)
Title: Improvements relating to the magneto ignition of internal combustion engines
IPC: F02P1/00
Filed: 1920-11-04
Abstract: 174,758. Lanchester, F. W., and Daimler Co., Ltd. Nov. 4, 1920. Magnetos, driving.-The magneto 7 is placed at an angle to the driving-shaft 1 to which it is connected through a Hooke's joint 2, 3. The irregularity of motion produced by the Hooke's joint is utilized to give the magneto shaft 6 a higher speed at the time the ignition current is being generated and the primary break occurs.
Patent GB-1461827-A (GB)
Title: Apparatus for individually conveying elongate articles
Inventor: BOHLMARK S A
IPC: G06M7/02
Filed: 1974-07-15
Abstract: 1461827 Rotary conveyers SUNDS AB 15 July 1974 [13 July 1973] 31277/74 Heading B8A [Also in Division F2] Elongate articles engaged in recesses 7 of a first wheel 5 are transferred to recesses 8 in a second wheel 5 by alternate step-wise driving on the wheels 4, 5, means 10 being provided to prevent the transfer of more than one article at a time. The articles are fed to the first wheel 4 by a conveyer 1, and are carried by the second wheel 5 past the sensors 3 of a counting device operative to stop the wheels when a desired number of articles has been counted. A pick-up device 9 removes the articles from the second wheel 5. The wheels 4, 5 are carried by axles 27, 28 connected by gearing to axles 21, 22 which rotatably support drive wheels 14, 15. A drive shaft (11, Fig. 7) carries a crank 12 and is driven by a driven shaft 24 carrying a gear 25 meshing with a gear 26 on the drive shaft 11. The crank 12 carries a roller 13 which enters grooves 16 in the drive wheels 14, 15 to effect intermittent drive thereof, and also carries a shaft 18 which engages in recesses 17 between the grooves 16 to hold one wheel stationary whilst the other is driven. The drive wheels 14, 15 support pairs of arms 29 spring biased together and carrying pins 30 which engage toothed wheels 23 secured to the axles 21, 22. If the wheels 4, 5 jam, then the arms 29 are pushed apart to uncouple the axles 21, 22 from the drive wheels.
Patent GB-1526587-A (GB)
Title: Di-electric ceramic composition for high frequencies
IPC: C04B35/49
Filed: 1976-07-28
Abstract: 1526587 Dielectric ceramic MURATA MFG CO Ltd 28 July 1976 [31 July 1975 (2)] 31345/76 Heading C1J A dielectric ceramic composition for high frequencies consists essentially of 90-99À8 wt. per cent of a basic composition composed of 22-43 wt. per cent of TiO 2 , 38-58 wt. per cent of ZrO 2 , 9-26 wt. per cent of SnO 2 , and 0À2-10 wt. per cent of an additive consisting of C0 2 0 3 . ZnO (up to 7 wt. per cent) may also be present (with 0À2-10 wt. per cent C0 2 0 3  and 83-99À8 wt. per cent of the basic composition). The sintered compositions are suitable for use as dielectric resonators in microwave bandpass filters, or as antennas employed at microwave frequencies or as substrates for microwave circuits.