baber/WOPTO huggingface dataset:
Patent GB-741116-A (GB)
Title: Improvements in or relating to wire stretchers for fencing
IPC: F16G11/12
Filed: 1953-07-20
Abstract: 741,116. Wire strainers. CORRIE, A. G., and CORRIE & CO., Ltd., J. B. April 7, 1954 [July 20, 1953], No. 20098/53. Class 45. A wine strainer adapted to be attached to an intermediate post 10 in a fence comprises a drum 26 to which the wire 32 to be tensioned is attached, a pawl and ratchet mechanism 42, 38 controlling rotation of the drum, and a frame 12 having an integral anchorage 50 for attachment of a further wire. The strainer is attached to the post by means of a hollow bolt 70 through which the wire 32 passes. The drum, pawl and ratchet are as generally described in Specification 520,089, but the drum axis may be slightly inclined to the normal from the sides 22, 24 of the frame.
Patent GB-1404676-A (GB)
Title: Tape transport apparatus
IPC: G11B15/48
Filed: 1973-04-27
Abstract: 1404676 Automatic control of speed INTERNATIONAL BUSINESS MACHINES CORP 27 April 1973 [29 June 1972] 20101/73 Headings G3N and G3R A reel to reel tape transport system has command reference signals as well as error signals in speed, acceleration and tension applied through a weighting network to control the reel driving motors and minimize the errors in these parameters when the tape is transported. The command reference signals are obtained by integration of the binary command signals. The actual speed is measured by transducers co-operating with prerecorded tracks on the tape and the tension is measured by known transducing means. The weighting provided is computed from a mathematical model and should apply for both directions of movement and if not a second network is provided. The weighting is designed for all tape movements but if the actual apparatus characteristics differ markedly from those of the model used then the actual error signals are used to control the motors. In the apparatus shown, data tape 12 has a prerecorded reference track 15 which co-operates with magnetic head 19 to produce a cyclic signal. This signal is passed through counter 28 to provide a position signal 29 and through unit 20 to produce a tape speed signal. A tension transducer 22 provides a tension signal 24. A comparison circuit accepts command signals for starting/stopping on line 30, tension on line 81 and a directional signal on line 31 and derives from these signals the reference signals for position, speed, acceleration and tension. In the comparison network, Fig. 2 (not shown) a start signal triggers a monostable circuit to produce a standard length signal which is differentiated and provides a pulse as a start command. The differentiated signal is integrated once to provide an acceleration reference, a second time to give a speed reference, and a third time to provide a position reference signal. These signals, together with a tension reference signal, are weighted in network 32 and after being summed produce control signals el, e2 for the individual motors 11, 14. Comparison network 23 also compares the actual parameter signals with the derived reference signals to produce corresponding error signals which are also fed to network 32 but are weighted to have little effect under normal operating conditions. Acceleration reference signals are provided in a similar manner.
Patent GB-866331-A (GB)
Title: Method and apparatus for making fertilizer
IPC: C05F17/02
Filed: 1957-06-26
Abstract: 866,331. Composting apparatus. FITZPATRICK, H. J. (Crane Ltd., T.A.). June 26, 1957, No. 20124/57. Class 111. [Also in Group XXX] Material to be composted is passed through a chamber in which the fermentation takes place while, at the same time, intercirculation is caused to take place in the mass. An apparatus, Figs. 2 and 4, for so doing comprises four chambers 10 arranged in tier form, each containing four rotary blade assemblies 26, 26a, which propel the material, fed in from hopper 4, successively through each chamber, passing from one chamber to the next through manually-operated trap doors 17 to the exit 16. The blades each carry a pair of diverging fins 27 to sweep the bottoms of the troughs 11. The flight portions in a single blade assembly may be varied in pitch so that the rate of travel varies along a trough, or the pitch of one or more assemblies may be reversed so as to provide the intercirculation of the material. To remove water from the entering material, the bottoms of the forward ends of the troughs 11 are perforated and trough-shaped screens 40 are recessed within the troughs, water being caught in pans 38 and discharged from duets 39. Air is introduced at duct 45 and circulates through the material via ducts 41, 43, 44 and 42 to exit ducts 47 and 48 (not shown).
Patent GB-647176-A (GB)
Title: Improvements relating to fastening devices
IPC: F16B5/10
Filed: 1948-07-28
Abstract: 647,176. Stud and - socket fastenings. DZUS, W. July 28, 1948, No. 20173. [Class 44] In a device for fastening two parts 17, 18, Fig. 2, together, in which a stud 15 mounted on one part 17 has a pair of oppositely disposed cam slots 22 which are engageable with a locking bar 31, the latter is carried by an outer cup-shaped shell 26 and cooperates with an inner one 27 to limit their relative axial movement against spring action. The shell 27 is a sliding fit inside shell 26 and is provided with a flange 28 which is riveted or otherwise screwed to part 18. In assembling the shells a helical spring 32 is inserted between their ends and bar 31 is passed through apertures in shell 26 and also through one of two or more pairs of slots 29 in shell 27. the bar 31 being maintained in position by a wire 33 which engages holes in the ends of the latter and encircles the outer shell. A grommet or snap ring 25 surrounding a reduced diameter portion 24 of the stud 15 positions the latter on part 17. When the parts 17, 18 are brought together and stud 15 rotated by a screw driver the bar 31 and consequently shell 26 are drawn upwardly compressing spring 32. A force on parts 17, 18, along the axis of the stud will normally be withstood by the spring 32, but an excessive force will separate shells 26, 27 until bar 31 abuts the edges of slots 29 and prevent further separation. In a modification, Fig. 5, the shell 27 is provided with a flange 34 to abut the inner edge of part 18. The portion of the shell above the the shoulder is passed through the aperture in part 18 and flared over at 35. In a further embodiment, Fig. 7, the outer shell is furnished with four spring receiving chambers 42 in which springs are housed with their upper ends engaging abutment portions 44, Fig. 8, formed on the flange 38 of the cup-shaped inner shell 37. In assembling the shells the locking bar 41 is passed through one of several pairs of slots 40 in shell 37 and through the enlargement of keyhole slots 50 formed in shell 36 until reduced shanks 51 on the locking bar 41 are aligned with the slots 50. The bar 41 is then moved upwards to retain it in position by the springs acting between the shells. In another embodiment, Fig. 13. two spring receiving chambers 61 only are provided and the base of the outer shell 57 is domed or in a modification, Fig. 15 (not shown), an aperture may be provided in the base to drain away condensate. The stud may have wings for rotation in place of a key.
Patent GB-633574-A (GB)
Title: Improvements in or relating to harvesting machines
IPC: A01D17/18
Filed: 1947-07-28
Abstract: 633,574. Digging root-crops. SMITH, T. S. July 28, 1947, No. 20309. [Class 6(iii)] A root-crop harvester, incorporating a tractor 12 from which the wheels have been removed, comprises a main frame 1 which carries a digging appliance, the main frame having front and rear axles 19 and 20 which can be connected to the driving and steering mechanism respectively of the tractor. The main frame includes an extension 9a, 10, 11, the member 9a being bolted to the front of the tractor chassis and the rear tractor axle being secured to brackets 14. An axle 22 forms an extension of the axle 17, and both axles carry sprockets for chain drives 21 to the front wheels 18 of the main frame. The steering mechanism of the tractor is coupled to the steerable rear wheels of the frame. The arrangement is shown applied to a harvester of the type described in Specification 633,573.
Patent GB-1291965-A (GB)
Title: Improvements in or relating to aluminium materials having penetration resistance and resistance to spalling and to the manufacture of such materials
IPC: C22C21/10
Filed: 1971-04-19
Abstract: 1291965 Making composite metal sheet KAISER ALUMINIUM & CHEMICAL CORP 19 April 1971 [26 Jan 1970] 20322/71 Heading B3A [Also in Divisions C7 and E1] A composite material “-6 inches thick comprises a front plate of Al alloy bonded to a backing member of Al alloy, the backing member being 4-20% of the total composite thickness and having a tensile strength at least 2000 p.s.i. lower than that of the front plate. The tensile strength of the front plate is 65,000-90,000 p,s,i, and that of the backing member 44,000- 75,000 p.s.i. The al alloys may include Zn, Mg and Cu. The composite is made by cladding front and back members with Al or Al alloy and then roll bonding.
Patent GB-167189-A (GB)
Title: Device for soldering aluminium
IPC: B23K35/26
Filed: 1921-07-29
Abstract: 167,189. Corsat, M. S. July 29, 1920, [Convention date]. Soldering; soldering-irons. -A tool for soldering aluminium consists of a bit and burner nozzle which are attached to a blowpipe so that the flame is directed bv the nozzle on to the aluminium as well as on to the bit. An iron bit a and nozzle b are attached to a spirit blowpipe c by a support d, secured to the blowpipe bv a screw f and screwed at the other end to the bit, which is fixed by a locking-screw e. The parts to be soldered are cleaned by filing or by emery paper and then heated separately by the flame emerging from the nozzle, and after the solder has been spread thereon by the bit the parts are joined by placing them in contact with each other.
Patent GB-413874-A (GB)
Title: Improvements in paper containers
IPC: B65D3/26
Filed: 1933-07-20
Abstract: 413,874. Paper containers for liquids. HERRMANN, E. P., 279, 4th Avenue, East Orange, New Jersey, U.S.A. July 20, 1933, No. 20456. Convention date, Sept. 10, 1932. [Class 66.] A double-walled paper container of the kind described in Specification 389,718 is provided with a second opening 5 at the opposite side of the inner wall to the opening 2 and serving as a vent to enable the contents to be poured through that opening when the container is opened by the tearing out of the strip 6 which uncovers both openings. The ends of the weakening lines 3, 4 are curved outwardly to afford corners 8, 9 bordering the tab 7; these corners are left unfastened and the tab, which is also preferably left free, can be engaged under them to provide a temporary re-closure.
Patent GB-452952-A (GB)
Title: Aluminium alloys
IPC: C22C21/00
Filed: 1935-07-18
Abstract: Aluminium alloys resistant to corrosion particularly by sea-water contain a small proportion of thorium, for example 0,1-6 per cent. The alloys may contain also any one or more of the following: up to 0,2 per cent of sodium, up to 3 per cent of manganese, up to 10 per cent of magnesium, up to 12 per cent of copper, up to 10 per cent of zinc, or up to 24 per cent of silicon.
Patent GB-498288-A (GB)
Title: Improvements in automatic page-turning blocks of paper, cardboard or the like sheets
IPC: B42D5/00
Filed: 1938-07-11
Abstract: 498,288. Books; albums. DOREEN APPLIANCES, Ltd. July 11, 1938, No. 20535. Convention date, July 10, 1937. [Classes 11 and 16] In an automatic page-turning block of paper, cardboard, or like sheets B connected together at their rear edges by a tape or the like G in such a manner that when the block is moved lengthwise with respect to a support, the sheets turn over one by one, there is provided a boxlike member or pocket A open at one side wherein the rear edges of the sheets are normally disposed, so that the pocket, in addition to normally containing the tape &c. G, constitutes a book-like backing to enable a book, album, or the like to be formed of the assembly. The rear edges of the sheets B are staggered, and the tape G is glued to each rear edge, the tape being doubled at its free upper edge and fixed to a cardboard strip C which is secured on the inner face of the top wall of the pocket A, and the lower free edge of the tape is secured to a base sheet E of cardboard. A finger-grip H is formed on the outer edge of the base sheet E. A support D on which the sheet E slides is provided with guides F, and the contacting surfaces of these guides, the sheet E, and the bottom portion D are glazed &c. to provide antifriction surfaces. The pocket A may be provided with a hinged flap constituting a book cover.
Patent GB-597119-A (GB)
Title: Manufacture of 3-tetrahydrofuranone
IPC: C07D307/32
Filed: 1945-08-31
Abstract: 3-Tetrahydrofuranone is manufactured by treating 2-butine-1 : 4-diol with the mercury salt of a carboxylic or sulphonic acid amide, preferably by heating the reagents together in the presence of a solvent.  The product is useful as a reducing agent and as an intermediate in the manufacture of dyestuffs and medicinal substances.  In examples, 2-butine-1 : 4-diol is refluxed with (1) mercury p-toluenesulphonamide in absolute ethanol and (2) mercury acetamide in methanol.
Patent GB-812062-A (GB)
Title: Process for the continuous production of crystalline substances
IPC: B01D9/00
Filed: 1955-07-15
Abstract: <PICT:0812062/III/1> Crystalline material in granulated form is continuously produced from crystallizable melts by kneading the melt continuously with already crystalline material of the same composition, in such manner that at least in a zone of the flow of the melt the latter is intimately kneaded into an excess of the crystalline material, while moving forward the material in a continuous flow.  Melt is fed at 6 to a casing 1 having a rotating shaft 2 which performs an axial to-and-fro movement once per revolution.  On shaft 2 are spirals 3 which are interrupted by interstices 4 arranged so that the screw sections can pass kneading teeth 5 fixed to the walls 1. The melt is conveyed by the screw towards an outlet 7 while being kneaded.  Heat is dissipated by cooling medium passed through the shaft 2 and through a jacket round the walls 1. Crystals may be first formed in the melt or already crystalline material may be added to the melt at the beginning of the process.  As the melt passes through the apparatus the concentration of crystals becomes greater and a solid product leaves the outlet 7. The melt may be cooled to different temperatures in various sections of the apparatus.  In examples trisodium phosphate, para-dichlorobenzene, sodium meta-silicate nonahydrate, sodium metasilicate tetrahydrate and sulphur, are obtained in powder form. Other materials mentioned are calcium nitrate, sodium carbonate and sodium sulphate.
Patent GB-1453366-A (GB)
Title: Electrode assembly for plasma torch
IPC: H05H1/44
Filed: 1974-05-09
Abstract: 1453366 Welding by fusion VSES NI PROEKTNO-KONSTRUKT I TEKHNOL INST ELEKTROSVAROCH OBORUDOVANIA 9 May 1974 20609/74 Heading B3R [Also in Divisions H3-H5] A non-consumable plasma torch electrode assembly comprises a water cooled rod like electrically conductive copper holder 1, containing a refractory metal insert 2 at one end, a chamber 3 symmetrical about the longitudinal axis of the assembly being provided in the holder 1 and being bounded on one side by a central portion only of the insert 2, the chamber being filled with a substance of lower thermal conductivity than the material of the holder 1 so that the central portion of the insert 2 is cooled less than the peripheral portion which is in direct contact with the holder 1. Thus in use the arc is centred on the hotter central zone of the insert 32 and does not tend to migrate to the cooler peripheral zone. The refractory metal of the insert may be a refractory metal of groups IV, V and VI, or an alloy of these metals. Specified alloys are Ta 73%/Hf 25%/Mo 2% : Hf 99%/ Mo 1% : W 97%/La 3%. The material filling the chamber 3 may be titanium, steel, pig iron, air or argon. The plasma torch may be a d.c. transferred arc torch in which the electrode assembly is supported in a hollow water cooled nozzle by an insulating spacer provided with longitudinal channels for introduction of plasma forming gas to the end of the electrode assembly. In Fig. 4 (not shown) two plasma torches with electrode assemblies as described connected in series are supplied from a d.c. source to produce a heated plasma for surfacing an adjacent workpiece. The electrode assembly if connected to the positive pole has a gas filled chamber behind the insert and the electrode assembly connected to the negative pole has a solid filled chamber. The torch can be used for welding, surfacing, surface finishing and cutting metals.
Patent GB-1451571-A (GB)
Title: Method for separating polyvinyl chloride from a mixture of plastics by flotation
IPC: C08J11/06
Filed: 1974-05-09
Abstract: 1451571 Froth flotation MITSUI MINING & SMELTING O Ltd 9 May 1974 [6 Aug 1973] 20621/74 Heading B2H Polyvinyl chloride is separated from a mixture containing it and other plastics e.g. polypropylene, polyethylene, polystyrene, polyamides, polyacrylates, phenolics, ureas, polyesters and melamines, by flotation in an aqueous liquid medium. The polyvinyl chloride is recovered as a residue while all the other materials float. Frothing agents such as pine oil, cresylic acid, eucalyptus oil, camphor oil, propyl alcohol, amyl alcohol, methyl isobutyl carbinol, pyridine and ortho-toluidine, and wetting agents such as tannic acid, a quebracho extract, gelatin, glue, saponin or the Na, K, Ca and Mg salts of lignin sulphonic acid, may be added. Gas bubbles can be generated in the aqueous medium by mechanical stirring, by bubbling a gas through the medium by the release of gases dissolved under pressure, by vacuum evacuation to release dissolved gases and by electrolyses. Suitable gases include air, oxygen, nitrogen, carbon dioxide and argon. The plastics material has a size between 1 mm and 30 mm and may be washed with a synthetic detergent such as an alkylarylsulphonic acid salt, an alkylsulphonic acid salt, an alkylsulphuric acid salt or a higher alcohol sulphuric acid ester before subjecting it to the flotation process. The said aqueous liquid medium may contain NaCl, MgCl 2 , MgBr 2 , Mg SO 4 , CaSO 4 , K 2 SO 4 . Na 2 SO 4 , Ca(HCO 3 ) 2  and NaHCO 3 , and may be heated.
Patent GB-428741-A (GB)
Title: Improvements in shock absorbers for spring suspended road vehicles
IPC: B60G11/14
Filed: 1934-07-13
Abstract: 428,741. Vehicle shock absorbers. WIELAND, E., 11, Passerellenstrasse, Biel, Switzerland. July 13, 1934, No. 20629. Convention date, July 17, 1933. [Class 108 (iii)] In a vehicle shockabsorber in which a wheel axle is connected to the chassis through a spring - controlled lever, the lever b is held normally in a central position relatively to the shock-absorber casing a by means of springs k mounted on guides g, h of variable length each of which is connected at one end j to a beam f centrally pivoted to the lever b and at the other end to a fixed pivot i, so that the springs assist the swinging movement of the lever about the pivot c away from its central position but oppose its return movement. In the Specification as open to inspection under Sect. 91 the distance between the pivots i is greater than that between the pivots j, and the pivots c and i lie on the same straight line. This subject-matter does not appear in the Specification as accepted.
Patent GB-245725-A (GB)
Title: Improved carrier current broadcasting system
IPC: H04H20/84
Filed: 1925-08-17
Abstract: 245,725. Wired Radio, Inc., (Assignees of Duncan, R. D.). Jan. 9, 1925, [Convention date]. Phase changing.-A polyphase oscillation generator comprises oscillatory circuits 3 - - 6 and 7, 8, 9 coupled to gether and having one circuit supplied with single-phase oscillations through coupling 2, 6 a generator 1. The oscillatory circuits are so arranged that the currents flowing are substan. tially 90‹ out of phase and the coils 4, 8 are arranged at right-angles, and with their centres of magnetic flux coincident so as to produce a rotating field. Coils 10, 11, 12 are arranged in this field, and may be star or delta connected. The Figure shows an arrangement for the supply of threephase currents to amplifiers 28, 29, 30.
Patent GB-614289-A (GB)
Title: Improvements in or relating to ribbon inking arrangements
IPC: B41J31/16
Filed: 1946-07-11
Abstract: 614,289. Ink - ribbon mechanism. NATIONAL CASH REGISTER CO. July 11, 1946, No. 20726. Convention date, Aug. 3, 1945. [Class 100(iv)] The endless ribbon of a cash register or other machine is constantly replenished with ink by passing the ribbon through an ink reservoir and then between a pair of doctor rolls having pliable non ink-absorbing surfaces which remove surplus ink and feed the ribbon forwards. The ribbon 50 passes around a spring urged roller 54 and a convex roller 62, then around a roller 75 in an ink reservoir 64 and upwardly. after passing printing platens 37-40, and 43, between doctor rolls 76 and 77 driven in a step-by-step movement by ratchet mechanism. The doctor roll 76 is pressed against the roll 77 by a spring 96. Ink is removed from the ends of the rollers 76 and 77 by a thin plate 103.
Patent GB-269781-A (GB)
Title: Improvements in navigating apparatus and method of operating the same
IPC: G01C17/00
Filed: 1926-08-23
Abstract: 269,781. James, R. W., (Holmes Navigating Apparatus Co., Inc.). Aug. 23, 1926. Tell-tale apparatus.-An instrument for use on a ship &c. for determining its total lateral deviation from a set course, and the total component distance travelled along the set course, comprises a magnetic compass and a follow-up or master compass which controls a repeater, the movements of which control the driven elements oi two integrating devices, one for recording the deviation and the other for recording the component distance travelled. If the speed of the ship is known the indications of the two integrators can be used to find the position of the ship at any time. The magnetic compass comprises needles 2, 2a supported on a pivot 6 within the bowl 8 and carrying a compass card 10 from which depend two conductors 11, having the shape shown in Fig. 1, and extending into an electrolyte 12 in the bowl. Above the level of the electrolyte the bowl contains mineral oil &c. 13 which does not mix with the electrolyte. The bowl 8 constituting the follow-up member, is provided with four conductors 14 - - 14<c>, and with a compass card 17, and is carried by a frame 24 supported in gimbals 26, 28. The support 18 for the bowl carries a gear wheel 19, adapted to be driven by a pinion 43 on the shaft of the follow-up motor 32, Fig. 1, and also carries contact rings 20, 20<a>, 20<b>, engaging brushes 30, 30a, 30<b>, connected to the conductors 14 - - 14<c>, the conductors 14a, 14b being connected together. The motor 32 has opposed windings 44, 45, the currents to which are controlled by a relay 48 comprising an armature 47 and electromagnets 52, 52<a>. The magnet 52 is connected in series with the conductor 14, electrolyte 12, conductor 11, electrolyte 12, and conductor 14<a>, and the magnet 52a is in a similar circuit including the conductors 11<a>, 14b, 14<c>. When the card moves relatively to the bowl these two circuits become unbalanced, the armature 47 is moved to complete the circuit through one of the windings 44, 45, and the motor 32 thus turns the bowl to follow the card. The current for the windings 44, 45 and magnets 52, 52<a> is derived from an alternating current source 46. Vibration of the armature 47 is prevented by suspended masses 50, 50a. The motor 32 also drives a distributor 41 controlling a step-by-step motor 54 which drives the repeater compass.