baber/WOPTO huggingface dataset:
Patent GB-242448-A (GB)
Title: Improvements in or relating to trunks, cases, and like receptacles, and to the manufacture thereof
IPC: A45C5/04
Filed: 1924-11-21
Abstract: 242,448. Brookes & Sexton, Ltd., and Brookes, T. J. W. Nov. 21, 1924. Corner joints; lined trunks; lids. -Trunks and similar cases comprise a body portion consisting of four main members a, b, c, d, Fig. 2, hingedly connected together by adhesion jointing strips and covered with leather or other material f, Fig. 3, turned in over the edges, the covering material being held in place without stitching by the ends i, which are formed with rebated edges and after being separately covered are filled to the main portion and secured thereto by means of nails k or the like, the extension l of the covering f being secured inside the ends by adhesive. Alternatively the body members may be rebated to receive the ends, and the flap extensions l, Fig. 3, may be forced on the coverings of the ends. A flexible strip, for example of indiarubber tube, may be inserted within the edge of the lid or of the body to give a weatherproof joint.
Patent GB-429663-A (GB)
Title: Improvements in or relating to printing machines
IPC: B41F31/00
Filed: 1934-09-28
Abstract: 429,663. Printing-machines. HORN, H., 43, Eisenstuckstrasse, Dresden, Germany. Sept. 29, 1934, Nos. 27861 and 27862. Convention dates, Sept. 29, 1933 and Nov. 20, 1933. [Class 100 (ii)] A printing- machine which is especially applicable to machines for printing books from rubber printing-surfaces is fitted with two sets of inking-apparatus for each flat or rotary forme, one set b being adapted for printing in oil colours, and the other set c for printing with aniline inks, the two sets being adapted for alternative use. In Fig. 1 the invention is applied to a flat bed machine with a reciprocating bed a and an impression cylinder a<1>. As applied to a rotary offset machine, Fig. 3, the inking-apparatus b inks the forme cylinder e coacting with an offset cylinder a<11>. The inking-apparatus c is used when a relief printing-surface is fitted to the cylinder a<11>. As applied to a single or two-colour rotary machine the inking devices b, c may be applied alternatively to the same printing-forme, and in a modification the invention is applied to a rotary machine in which both sides of a sheet are printed in one working operation.
Patent GB-864755-A (GB)
Title: Improvements in and relating to control systems for electric motors
Inventor: SIMONS DAVID SPENCER
IPC: H02P1/34
Filed: 1956-09-13
Abstract: 864,755. Control of A.C. motors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 13, 1957 [Sept. 13, 1956], No. 28021/56. Class 38 (3). The rate of reduction of the rotor resistance of an induction motor is controlled by a magnetic amplifier MS which is biased to provide maximum output since its control coil is supplied with a reference voltage, this voltage being opposed by a voltage dependent upon the stator or rotor currents of the motor, Fig. 2 (not shown). The premature closure of rotor resistance contactors is prevented by means of pilot relays which are operated when the voltage applied to them from the amplifier exceeds a predetermined value which corresponds to a permissible torque-value of the motor. Coil PC2 of a pilot relay is prepared for operation by closure of contact C1 (controlled by a previous relay), but the relay is operated only when a timing contact T2 is closed, at a predetermined instant, and the motor torque has fallen to a predetermined value, so that the voltage supplied by the amplifier MS is sufficient. The opening of contact PC2<SP>1</SP> and the closure of contact PC2<SP>11</SP> transfers the coil PC2 to the supply-line SL. Successive operation of similar relays PC3, PC4, PC5, removes further sections of the rotor resistance. In a modification, a liquid rotor resistance is reduced, at different rates, by an hydraulic servo device, and the change in rate is controlled by the magnetic amplifier through a solenoidoperated valve. Specification 787,652 is referred to.
Patent GB-1436549-A (GB)
Title: 17beta-mercaptocarbonyl-3alpha-hydroxy-steroids and their esters
IPC: C07J31/00
Filed: 1972-06-15
Abstract: 1436549 17#-Mercaptocarbonyl-3α-hydroxy steroids and their esters GLAXO LABORATORIES Ltd 15 June 1973 [15 June 1972] 28117/72 Heading C2U Novel steroids of the androstane and estrane series possess a 3α-hydroxy group, a 5α- hydrogen atom or a 4,5-double bond, a 17α- hydrogen atom and at the 17#-position a -COSH or esterified -COSH group. They may be prepared by (a) reacting 17#-carboxy steroids or reactive derivatives thereof with appropriate reagents, e.g. H 2 S or RSH (R is an aliphatic, cycloaliphatic, aryl or C-attached heterocyclic group); (b) for the esters, esterification of the free acids; or (c) stereospecific reduction of the corresponding 3-ones. In processes (a) and (b) the 3α-OH group may be protected, e.g. by esterification, particularly as a nitrate ester, and subsequently released. Products may be interconverted, e.g. a halogen in the group R may be replaced by an amino group and substituents and double bonds may be introduced into the steroid ring system, and when they contain a basic group they may be converted into salts. 2# - ethoxy - 3α - nitro - oxy - 5α - androstan- 11 - one - 17# - carboxylic acid chloride: and 3α - nitro - oxy - 11 - oxo - 5α - androstane - 17#- carboxylic acid chloride are prepared from the free acids and oxalyl chloride. 17#-(2<SP>1</SP>-morpholinoethylthiocarbonyl)- 3α - nitro - oxy - 5α- androstan-11-one is prepared from the 17#- chlorocarbonyl compound and morpholinoethane thiol; 17#-methylthiocarbonyl-3α-nitrooxy - 5α - androstan - 11 - one is prepared similarly and 17# - (2<SP>1</SP> - chloroethylthiocarbonyl)- 3α - nitro - oxy - 5α - androstan - 11 - one is prepared from the 17#-chlorocarbonyl compound and thiurane. 3α - Nitro - oxy - 11 - ozo - 5α- androstane - 17# - carboxylic acid is prepared by nitration of the 3α-ol (prepared in turn by NaOBr oxidation of 3α-hydroxy-5α-pregnane- 11,20-dione). The novel steroids have anaesthetic properties and they may be made up into anaesthetic compositions with suitable carriers.
Patent GB-1071613-A (GB)
Title: Process and apparatus for tapping melts
IPC: B01J2/02
Filed: 1964-07-08
Abstract: Melts of inorganic or organic materials, e.g. metals, slags or raw phosphates, are tapped and granulated by passing through a tap hole 4 provided at its narrowest part with an annular nozzle 5 through which fluid e.g. water, is introduced at high speed in the direction of arrows 6 producing a suction effect in the tap hole. After passing through a diffuser tube 8 and granulating space 9, water and granulate collect in vessel 10, water escaping at 13 and granulate being removed by scraper conveyer 12.  Steam or other gases escape at 14 and the tap hole is water cooled. The annular nozzle area may be varied by a lower nozzle ring displaceable by a spring.  Fig. 3 (not shown), or by fluid pressure, Fig. 4 (not shown). A further modification, Fig. 5 (not shown), uses a gaseous granulating stream and has the tap hole disposed horizontally, the granulate falling on to an inclined grate through which cooling gases <PICT:1071613/C6-C7/1> pass to be used later as combustion or gasifying agents in the furnace.  In a final modification, Figs. 6 and 7 (not shown), the granulating stream is gaseous and tangential apertures below it disperse liquid on to the diffuser walls preventing adherance of granulate.
Patent GB-722912-A (GB)
Title: Improvements in or relating to travellers and rings for textile ring spinning, twisting, and doubling frames
Inventor: GUSTAV ALBERT
IPC: D01H7/60
Filed: 1951-11-30
Abstract: 722,912. Spinning rings and travelers. MORGAN CRUCIBLE CO., Ltd. Nov. 21, 1952 [Nov. 30, 1951; Nov. 30, 1951], Nos. 28209/51 and 28210/51. Class 120 (2). A.traveller, for use on a doubling ring having at least one " square " end, i.e. a ring in which the upper and/or lower bearing surfaces meet the inner and outer peripheral walls substantially at right angles, has hooked portions for engaging respectively over the upper and lower ends of the ring, at least one of said hooked portions being furnished medially with an inwardly directed bearing part or lobe adapted when the traveller is applied to the ring, to lie adjacent to, and to bear, either initially or when the traveller is in motion, upon the bearing surface at a " square " end of the ring so as to maintain those parts of the said hooked portion of the traveller which adjoin and lie on each side of the bearing part or lobe out of contact with the corners of the ring. As shown (Fig. 1) the ring 1 is rectangular in cross section and has flat horizontal upper and lower bearing surfaces 3 and 4. The traveller has upper and lower hooked portions 7 and 8 each provided with a central bearing part or lobe 13 and 14 respectively. On either side of the bearing parts 13 and 14 the said hook portions of the traveller are splayed outwards as at 15, 16, 19 and 20 away from the respective corners of the ring. The bearing parts or lobes may be of loop-like form as shown at 131 in Fig. 3. The traveller may have an additional hooked portion 25 (Fig. 5) which trails behind the hooked portions 7 and 8 and helps to stabilise the traveller on the ring. An alternative additional hooked portion 28 (Fig. 8) may be provided at the top of the traveller which portion will bear on the surface of the ring in front of the hooked part 7 and keep this surface free of fly, &c. The ring is preferably made of sintered iron but may be formed of steel or a self-lubricating material such as carbon or bronze. According to the first Provisional Specification the travellers may be of Y or Z shape and be made of copper beryllium alloy and the second Provisional Specification discloses travellers having the additional-stabilising or wiping hooked portions but without the central bearing parts or lobes.
Patent GB-1083648-A (GB)
Title: A combined fluid coupling and friction clutch
IPC: F16D47/06
Filed: 1965-07-02
Abstract: 1,083,648. Clutch combinations. TWIN DISC CLUTCH CO. July 2, 1965 [July 27, 1964], No. 28217/65. Heading F2C.  In a parallel arrangement of a fluid coupling 23 and a fluid-operated multi-disc friction clutch 25 between a diesel engine or gas turbine shaft 1 and a pump or tractor drive shaft 17, the fluid coupling comprises a turbine 20 splined on the shaft 17 and an impeller formed on a sleeve 8 having fluid discharge passages 10, and friction clutch interleaved discs 16, 26, splined respectively to a member 12 bolted to the sleeve 8 and to a hub 25 keyed on the shaft 17, are disposed between an abutment 25a fixed to the hub 25 and a presser plate connected to an axially movable cylinder 31 enclosing clutch engaging and releasing chambers 32, 33 on opposite sides of an axially fixed piston 30. The amount of fluid admitted to the chamber 32 is variable to vary the degree of slip in the friction clutch. The fluid coupling is filled via a passage 24 and the chambers 32, 33 are pressurized respectively via passages 32a-32c and 33a-33c. The fluid coupling and the friction clutch may be operated independently or simultaneously. The fluid coupling, the friction clutch or both may be in slipping engagement. The fluid coupling is purposely " undersized " so that when at stall it allows the engine to run at maximum power without lugging the engine down. This fluid coupling/ clutch combination allows the maximum power of the engine to be absorbed without burning out the friction clutch, and permits a reduction in cooling oil required. The combination may be used for accelerating and driving a load, and for driving an infinitely variable speed load. In accelerating a pump where the load varies as the speed squared, initially the fluid coupling is operated from substantially the point of coupling stall at maximum engine power and subsequently the friction clutch is gradually engaged simultaneously with fluid coupling operation. In accelerating a tractor where the load is constant, being imposed by a plough, both the fluid coupling and the friction clutch are operative simultaneously from the point of coupling stall at maximum engine power.
Patent GB-1519641-A (GB)
Title: Information and recording apparatus
IPC: G11B27/022
Filed: 1975-07-04
Abstract: 1519641 Associated working of disc-record players and tape recorders AIWA CO Ltd 4 July 1975 [6 July 1974 (4)] 28281/75 Heading G5R A disc-record player and a tape recorder are interconnected so as to facilitate copying a disc recording on to tape and so that switching the disc-record player to "playback" also switches the tape recorder to "record", or vice versa.
Patent GB-1049176-A (GB)
Title: System and apparatus for recording and reproducing sound
Inventor: SANDS JAMES CUNNINGHAM
IPC: G09B5/04
Filed: 1964-07-09
Abstract: 1,049,176. Teaching machines. PYE Ltd. July 7, 1965 [July 9, 1964], No. 28294/64. Heading G5B. A teaching machine employing a magnetic tape recorder can be used either on the open loop system, in which questions and answers are recorded in different tracks with the tape moving in one direction, or on the closed loop system, in which the tape is reversed at the end of the question to record the answer alongside the question, but in the reverse direction. The invention provides a switch by which the machine can be changed at will from one system of operation to the other. A suitable recorder is described (Fig. 8, not shown) in which a capstan 43 drives on the edge of whichever tape reel 50 or 51 is pulled towards it against a spring by a solenoid 58 or 59.
Patent GB-205342-A (GB)
Title: Improvements in or relating to combined valve and siphon-discharge apparatus for flushing purposes
IPC: E03D1/22
Filed: 1922-10-19
Abstract: 205,342. Rhodes, T. G., and Gaunt, R. Oct. 19, 1922. Valve-discharge and combined valve and siphon discharge water-waste preventers. - A lower tank 3 supplied by a siphon in an upper tank 1 is fitted with a valve 14 controlling a wide pipe 6 leading to the closet basin 4. The siphon discharge is started by raising a piston in a cylinder 8 by depressing a rod 10. When the piston falls it raises the valve 14 by means of a chain 12 and lever 13 and the contents of the lower tank pass in a flush to the basin.
Patent GB-351348-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G41/00
Filed: 1930-09-24
Abstract: 351,348. Jigging conveyers. RIDGILL, E., Dronfield, Sheffield. Sept. 24, 1930, No. 28627. [Class 78 (i).] The engine 1 is provided with two pairs of downwardly - extending lugs 3 carrying bolts 8 which pass through slots 7 in upwardly - projecting side portions 5 of two skid members 6 into screwed holes in the engine. Brackets 10 on the skid members are engaged by pit props 11. By these means the engine is prevented from moving laterally, but is permitted to rise or fall relatively to the skids when such movements are rendered necessary by variations in the roof or floor formation of the mine.
Patent GB-675352-A (GB)
Title: Improvements in and relating to brakes, clutches and the like
IPC: F16D37/02
Filed: 1950-11-23
Abstract: 675,352. Clutches. BRITISH THOMSONHOUSTON CO., Ltd. Nov. 23, 1950 [Dec: 2, 1949], No. 28676/50. Class 80 (ii). [Also in Group XXXIV] An electromagnetic clutch or coupling comprises relatively rotatable members 2 and 20 of which the member 2 comprises a permanent magnet, and the member 20 an electromagnet excited through slip rings 41. The, permanent magnet member 2 has spaced polar areas divided, by a non-magnetic spacer element 15, these areas defining a single air gap between them and a pair of axially spaced air gaps with the casing of the electromagnet. When the electromagnet is not energised the flux passes radially across the axially spaced air gaps, so that a quantity' of magnetic fluid 30, which may comprise magnetic iron particles suspended in oil, is solidified and acts to transmit torque from one member to the other. When the electromagnet is energised the flux path is diverted from its radial path to an axial path across the single air gap between the permanent magnet pole members. The magnetic fluid is thus concentrated in the circumferential grooves 16 and -24 in the permanent and electromagnet casings and no longer acts as a braking medium. Reference has been directed by the Comptroller to Specification 649,553.
Patent GB-299042-A (GB)
Title: Improvements in the treatment of fabrics made of or containing cellulose derivatives
IPC: D06H7/16
Filed: 1928-10-06
Abstract: 299,042. British Celanese, Ltd., (Assignees of Platt, H.). Oct. 20, 1927, [Convention date]. Addition to 293,858 and 297.712. Edges, treating; designs, producing .-Fabrics composed wholly or substantially of cellulose derivatives are pierced or perforated, the severed edges being sealed against fraying or ravelling by fusing, dissolving, or softening the cellulose derivative in the edges and subsequently permitting it to solidify. The perforations may be buttonholes or holes for producing lace or other ornamental effects, and may be produced by hot or cold dies either flat or in the form of rolls &c.
Patent GB-1059054-A (GB)
Title: Circuit arrangement for picking up frequency-code pulsing signals in telephone systems
IPC: H04Q3/00
Filed: 1965-07-07
Abstract: 1,059,054. Automatic exchanges. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. July 7, 1965 [July 7, 1964], No. 28796/65. Heading H4K. A subscriber's V.F. code-sender drops the loop current whenever a code is keyed, the exchange using the change in loop current to connect a V.F. receiver; the relay set busy relay being held up by amplifying and rectifying the V.F. tones. The amplifier may have a broad pass-band but it is preferably cut-off at the lowest V.F. frequency to prevent operation of the busy relay by hum on the line. The loop forward from the relay set is broken for as long as V.F. tones are received. The invention is distinguished from a system in which the loop current is dropped only momentarily when a code is keyed.
Patent GB-730949-A (GB)
Title: Manufacture of new amino-benzene-sulphonamides
IPC: C07D237/20
Filed: 1953-10-19
Abstract: The invention comprises 6-(p-aminobenzene-sulphonamido)-3-halogen-pyridazines in which the halogen is chlorine or bromine, and the salts of such compounds. They are prepared by methods conventional for the preparation of p-aminobenzenesulphonamides, for example, (1) 3-chloro-6-aminopyridazine is reacted with p-carbethoxyaminobenzene sulphochloride and the product hydrolysed with caustic soda solution to give 6-(p-aminobenzenesulphonamido) - 3 - chloropyridazine; (2) 3,6 - dichloropyridazine and p-aminobenzenesulphonamide are heated together with potassium carbonate to give the same product as (1); and (3) 3-bromo-6-aminopyridazine is heated with p-carbethoxy-aminobenzene sulphochloride in the presence of pyridine and the product hydrolysed with caustic soda solution to yield 6-(p-aminobenzenesulphonamido) - 3 - bromopyridazine. 3-Chloro-6-aminopyridazine is prepared by heating 3,6-dichloropyridazine with aqueous ammonia under pressure, the dichloro compound being obtained by acting on 3,6-dihydroxypyridazine with phosphorus oxychloride.  3 - Bromo - 6 - aminopyridazine and 3,6-dibromopyridazine are obtained similarly from 3,6-dihydroxypyridazine but using phosphorus pentabromide for the bromination.
Patent GB-1237245-A (GB)
Title: Yarn winding apparatus and methods
IPC: B65H54/74
Filed: 1968-06-18
Abstract: 1,237,245. Continuous winding apparatus. LEESONA CORP. 18 June, 1968 [12 July, 1967], No. 28878/68. Heading D1J. In apparatus for continuous winding of yarn Y onto a plurality of spindles 20, a motor M1 drives the upper spindle at a speed corresponding to the rate of advance of the yarn, the motor speed being adjusted in response to movements of a roller 62 over which the yarn passes, to maintain constant tension. After a pre-determined time, when the upper spindle is substantially full of yarn, the lower spindle is rotated at a preset speed corresponding substantially to the rate of advance of the yarn, and the yarn is transferred manually, with the aid of hooks, to a path around a roller 40 on a pivoted arm 38 adjacent the lower spindle. The arm 38 is then moved to a position in which the yarn engages a clamp 88 on the lower spindle 20, simultaneously operating a switch 2TS to stop motor M1 and placing the speed of the lower spindle under the control of the roller 62. As the spindle revolves the clamped yarn is severed by a blade 26 which moves, at the same time as the arm 38 to a position within a groove 144 (fig. 9) on the spindle. The full upper spindle is removed and an empty one put in its place, and winding is again transferred to the upper spindle in the same manner when the lower one is full. During initial threading-up, the yarn is fed to an aspirator 78 and passed around the upper roller 40 for engagement with the upper spindle as in the transfer operation. The spindles 20 each comprise a core tube 36 (Fig. 9) releasably mounted on sprung expanding chuck bars 158 which can be contracted by manual operation of a lever 180 which operation also releases the yarnend clamp 88 and permits the full core tube 36 to be removed. The yarn is caught up by a rocking arm 96 on the spindle which is raised into position as the yarn passes it on one revolution, and engages the yarn, pulling it into the clamp 88, ready for cutting, on the next revolution.
Patent GB-637438-A (GB)
Title: Improvements in or relating to a rivet and method of making the same
IPC: B21J15/04
Filed: 1946-09-27
Abstract: 637,438. Rivets. GOODRICH CO., B. F. Sept. 27, 1946, No. 28888. Convention date, Oct. 30, 1945. [Class 89 (i)'] [Also in Groups XVII and XXII]  A rivet tubular at one end and solid at the other has the bore extending from the flanged end 26, cylindrical at first and then tapering to provide a gradually increasing wall thickness. The variation in wall thickness controls the location and size of the flange formed by collapsing of the wall during the setting of the rivet. The solid end serves for the attachment of articles to the rivet in a manner permitting of removal or replacement and it may be plain or screw-threaded. The rivet may be used for securing a rubber &c. sealing washer in a screw cap of a container and the solid end may carry a brush. The Specification as open to inspection under Sect. 91 states that the bore may taper throughout its length. This subject-matter does not appear in the Specification as accepted.