baber/WOPTO huggingface dataset:
Patent GB-520994-A (GB)
Title: Improvements relating to retractable undercarriages for aircraft
IPC: B64C25/22
Filed: 1938-09-17
Abstract: 520,994. Retractable undercarriages for aircraft. DOWTY, G. H. Sept. 17, 1938, No. 27188. [Class 4] A retractable undercarriage for aircraft consists of a self-contained structure embodying retraction motor means (e.g., a jack) and also a source of energy (e.g., a compressed air container) for operating such motor means. Compressed air may be supplied to the container by a pump operated by movements of a shock-absorber, or by rotation of a landing- wheel. In the form shown in Fig. 1, a tubular undercarriage member 1 is pivoted at 4 to a spar 3, and is provided with a two-part jointed strut 5 and with a double-acting retraction jack 10, which is fitted at the pivot 4 with an actuating-valve controlled by a lever 14 and cable 15. The space 12 in the member 1 constitutes a pressure container, and is supplied with compressed air, for operating the jack, by a pump, the piston 30 of which is actuated through a shock-absorber 23, 24 pivoted to a lever 20 carrying the landing-wheel 21. As a modification, a part of the shock-absorber may constitute the pump, a relief valve in the shock-absorber cylinder being connected to the compressed-air reservoir. In another construction, the rotation of the landing-wheel operates the pump by means of a cam groove, on the internal periphery of the wheel, engaging rollers on each end of a stem carrying the piston, the compressed air being delivered through a passage in the axle and through a pipe to a two-way valve by which it is admitted to the reservoir or to exhaust. Specification 520,995 is referred to.
Patent GB-374741-A (GB)
Title: Improvements in or relating to looms for weaving
IPC: H02K41/025
Filed: 1931-09-30
Abstract: 374,741. Electric looms. JASICEK, A., 16, Meytensgasse, Vienna, and POLNAUER, F., 20, Kurfiirstenstrasse, Berlin. Sept. 30, 1931, No. 27217. [Classes 142 (i), 142 (ii), and 142 (iii).] Driving arrangements; picking motions; stop-motions, shuttle; checking shuttles; changebox motions; circular looms; shuttleless looms; reeds.-The shuttle or other thread inserter of a circular or other loom is made of or has a part made of non-magnetizable material and is propelled by a travelling magnetic field through a stationary magnet system. As shown in Fig. I and diagrammatically in Fig. 10, a magnet system I, II is arranged at each side of the loom only and is energized by current from the three-phase supply Q under the control of a switch b rotated from the loom main shaft W which is driven by belts D, C from a motor B. The switch sections 1, 2 cause the magnet I to be energized to throw the shuttle S and then the sections 5, 6 cause the magnet II to be energized to check the shuttle. The sections 7, 8 and 3, 4 act similarly on the return throw of the shuttle. While the shuttle is in the shed, current is supplied to the main motor B through the switch sections 9, 11 or 13, 15, and when the shuttle is in a box, through the sections 10, 12 or 14, 16 and a switch N. Should the shuttle not box, the switch N is left so that the current passes to a brake IV instead of the motor B and the loom is stopped. Fig. 4 shows a magnet system with upper and lower magnets E<1>, E<2> spaced apart for the passage of the fin f of the shuttle S ; Fig. 16 shows only one magnet E and a parallel iron bar 101 encircled by a part 103 of the shuttle, while in Fig. 18 the bar 101 is replaced by two separated iron bars 108, 109 and the shuttle fin 110 is T-shaped; other arrangements are shown in Figs. 27 and 29. The pole pitch of the magnets may decrease towards the outer ends of the shuttle stroke as shown in Fig. 11. In changebox looms several bars 44, 45, 46, Fig. 31, corresponding to the bar 101, one for each shuttle compartment, can be brought between or against the fixed magnets E<1>, or the bars 108, 109, Fig. 37, may be divided longitudinally to allow the passage of a round pin 110 carrying the fin 111 when the box 54 is rotated, or the fins 119, Fig. 39, of the shuttles S may come between the fixed magnet E and the iron body 54 of the change-box. When the magnet system is continuous, as in a circular loom, the reed teeth Ka, Fig. 47, may be bent to form a groove Kr for the passage of the shuttle fin f, or they may be divided as shown at 57, 58, Fig. 51.
Patent GB-978355-A (GB)
Title: Sulphonium inner salts
Inventor: BAIRD WILLIAM
IPC: C07D215/36
Filed: 1961-07-27
Abstract: Sulphated sulphonium inner salts of the formula <FORM:0978355/C1/1> where R1 and R2 represent hydrogen atoms or alkyl groups having from 1 to 3 carbon atoms, R3 and R4 represent straight or branched chain alkylene groups having from 1 to 22 carbon atoms and m and n independently represent 0 or 1 are prepared by a sulphonium salt having a cation of the formula <FORM:0978355/C1/2> to the sulphate, where the salt is not a sulphate, and reacting the sulphate, in an easily stirrable fluid state, optionally in the presence of an inert diluent immiscible with the reaction mixture, with a sulphating agent.  The sulphation is suitably carried out at 10 DEG C. to 100 DEG C. for from 1/2 hour to 12 hours but preferably 40 DEG C. to 60 DEG C. for 1/2 hour to 6 hours.  The preferred immiscible diluents are those which are immiscible with water and specially those with low boiling points. The sulphated material may be isolated by for example dilution in water at 0-10 DEG C. and neutralisation with a weakly alkaline reagent e.g. sodium carbonate or bicarbonate or it may be poured directly into a suspension of barium or calcium carbonate, pH being maintained below 7.0. The aqueous solution may be separated from any inert immiscible diluents before or after neutralisation.  Salts of the sulphated sulphonium compounds may be isolated by precipitation from concentrated aqueous solution by addition of an appropriate water-miscible solvent.  The sulphonium sulphate starting materials may be prepared from other sulphonium salts by a displacement reaction; by reaction of a sulphide of the formula <FORM:0978355/C1/3> with an alkylene oxide of the formula <FORM:0978355/C1/4> in the presence of sulphuric acid as described and claimed in Specification 958,527) or by reaction of the above sulphide and alkylene oxide in the presence of water, preferably at -20 DEG C. to 10 DEG C., to give the sulphonium hydroxide which is neutralised with sulphuric acid to give the sulphate.
Patent GB-272829-A (GB)
Abstract: 272,829. I. G. Farbenindustrie Akt.- Ges. Feb. 11, 1926. Addition to 247,582. Hydrogenation, destructive. - In the destructive hydrogenation of coal and other solid carbonaceous materials in presence of added combined nitrogen as described in the parent Specification, solid porous materials or cobalt or other catalyst other than nitrogen compounds are arranged in a separate contact vessel behind the catalytic chamber, so that only vapours from the catalytic nitrogen reaction are treated therein.
Patent GB-270964-A (GB)
Title: Improved method of making panel joints in sheet metal structures, particularly in automobile bodies
IPC: B21D39/03
Filed: 1926-11-01
Abstract: 270,964. Jackson, L. Mellersh-, (Hudson Motor Car Co.). Nov. 1, 1926. Beading and curling; sheet metal joints; riveted joints.- Panel joints for sheet metal structures, particularly automobile bodies, comprise a moulding f which is inserted between flanges c, d on the panels, the ends of the moulding then being curled outwards over the panel flanges, by a die 26. Prior to the curling operation a pin 31 on a stationary part of the curling apparatus is inserted through holes in the moulding and through larger holes in the panel flanges in order to draw the moulding into close contact with the panels. The joint is subsequently riveted or bolted. The moulding may be made by folding sheet metal on itself as shown.
Patent GB-1508864-A (GB)
Title: Device for obturating leaky tubes of heat-exchangers
IPC: F28F11/06
Filed: 1975-06-27
Abstract: 1508864 Location and obturation of leaking tubes in a heat exchanger COMMISSARIAT A L'ENERGIE ATOMIQUE 27 June 1975 [8 July 1974] 27335/75 Heading F2P  A device for obturating a leaky tube 18 in a heat exchanger comprises a sleeve sealingly mounted in an orifice 34 of the upper wall of the heat exchanger, a vertical stem 36b provided at its lower end with an arm 38b of variable length at right angles to the stem, the free end of the arm being connected to an assembly 40b (Fig. 5) carrying an expansible capsule 42 with a vertical axis, the capsule penetrating the leaky tube, expanding to obturate the tube and finally dissociating from the assembly by rupturing at a groove 170b, expansion being accomplished by compressed air through conduit 154b and penetration and dissociation being accomplished by operation of jack 146b supplied with compressed air by conduit 152b. The arm may be rotated about the stem, moved vertically or its length may be altered by rotation of handles 52b, 58b and 62b respectively, mounted outside the exchanger.  The device is intended for use in a nuclear reactor heat exchanger of the sodium-sodium type and may include an ultrasonic leak detector mounted on assembly 40b. The heat exchanger will normally incorporate two obturating devices, one for each end of the leaky tube.
Patent GB-789627-A (GB)
Title: Improvements relating to boxes
IPC: B65D5/54
Filed: 1955-09-26
Abstract: 789,627. Cartons. CARRERAS, Ltd., and BARON, T. Aug. 22, 1956 [Sept. 26, 1955], No. 27375/55. Class 18. A rectangular cigarette &c. packet comprises in one form, Figs. 1 and 3, a body portion 20 having a lid hinged along a line 36 and a liner 41, Fig. 3, formed from a single blank of cardboard or similar material, the top portions of whose sidewalls 50 and 51 are folded outwards and downwards to form flaps 54 and 55. The front edge 57 of each such flap projects slightly, thus engaging the inside of the front panel 37 of the hinged lid securely and retaining it in the closed position. In a modification, Fig. 8 (not shown), olny a part of the front edge 57 of the liner flaps stands proud. In a second form, Fig. 9, the liner 42B is made with the flap forming an extension of the front panel 62. The edges 69 and 70 stand forward of the panel 62 and proud of liner outer sides 63 and 64, so that the lid is gripped tightly closed when shut down on to the body.
Patent GB-742532-A (GB)
Title: Process for the production of hardenable synthetic resin casting compounds based on epoxy and polyester resins
IPC: C08L63/02
Filed: 1952-10-31
Abstract: Casting materials, especially suitable for embedding or adhesive purposes, are prepared by mixing an epoxy resin with an unsaturated polyester.  The mixture is copolymerized in presence of a cross-linking agent for the epoxy resin.  A polymerization catalyst for the polyester may also be added.  The epoxide resins are formed for example from epichlorhydrin and p,p1-dihydroxydiphenyl methane. The unsaturated polyester is a condensate of at least one polyvalent alcohol with at least one unsaturated polycarboxylic acid, if desired in admixture with saturated polycarboxylic acid, or is the ester of an unsaturated monohydric alcohol with a polycarboxylic acid.  At least one unsaturated monomer, e.g. styrene or methacrylic acid methyl or butyl ester may be mixed with the polyester.  The ratio of polyester to epoxy resin may vary from 2:10 to 20:10.  In the examples: (1) The reaction product of 4,41-dihydroxy-diphenyl methane with epichlorhydrin is mixed with succinic or phthalic acid anhydride and a partially condensed ester from adipic acid, maleic acid and tri-methylol propane is stirred in with heat, if necessary.  The product is very suitable for sticking, e.g. metals.  (2) The same epoxy resin is mixed with a polyester from adipic acid, maleic acid and 1,4-butanediol.  Phthalic anhydride is added as cross-linking agent for the epoxy resin and benzoyl peroxide as polymerization catalyst for the polyester.  The product hardens with heat (3) To the ingredients of example (2) in equimolar proportions 50-100 per cent by weight of styrene, based on the polyester is added. The thin liquid polymerises at 80 DEG  C. to a hard product with good electrical properties.  In place of the acid cross-linking agents, triethylene tetramine or dicyandiamide may be employed.  The peroxide catalyst may be supplemented with known driers, e.g. cobalt naphthenate.
Patent GB-449432-A (GB)
Title: Improvements relating to apparatus for use in conveying powdered or granular material pneumatically
IPC: B65G53/00
Filed: 1935-10-07
Abstract: 449,432. Pneumatic conveyers. LARSEN, O. A., Woodland Avenue, Fanwood, New Jersey, U.S.A. Oct. 7, 1935, No. 27693. [Class 78 (i)] [See also Group XXXIV] In apparatus for conveying powdered or granular material pneumatically and comprising at least one container which is filled with the material through an inlet and to which compressed air is then admitted to mix with the material and drive it out through a pipe line, one or more of the valves admitting the material or connecting to air pressure or exhaust supplies is or are operated to change them from the emptying to the filling position at a predetermined interval of time after emptying has begun. Fig. 1 shows a container 1 having a feed valve 2, air exhaust valve 3, air pressure valve 4, and delivery pipe 5. Fig. 2 depicts means for operating mercury switches 2a, 3a, 4a, which control the valves 2, 3, 4, in required sequence. A cam 6 oscillates a rock-shaft 14 carrying switch-tipping arms 2b, 3b, 4b, and is rotated by a shaft 8 carrying a disc 9 set in motion by an electromagnet 10 supplied with an alternating current. A float rising with the material filling the container 1 eventually closes a switch 17 to excite the magnet 10, and the cam 6 then closes the valves 2 and 3 and opens the pressure valve 4. The speed of rotation of the disc 9 is controlled by a permanent magnet 11, which can be turned by a handle 12 to and from the disc 9, thus determining the time which the cam 6 takes to rotate and to rock the switches 2a, 3a, and 4a back again. The current controlled by the switch 4a opens the switch 17 and stops the motor. In a modification the cam 6 rotates continuously at constant speed, and in other forms an ordinary electric motor is employed or the valves 2, 3, 4 are electromagnetically operated by a clock. Specification 305,321, [Class 20 (i)], is referred to.
Patent GB-1059434-A (GB)
Title: A process for treating textiles
IPC: C11D3/36
Filed: 1964-07-06
Abstract: Detergent compositions suitable for washing and bleaching fibres, yarns, woven or knitted fabrics or textiles consisting of natural or synthetic fibrous materials, e.g. cotton/wool fabrics, comprise an inorganic peroxidic compound, e.g. sodium perborate, and an activator which is a reaction product of a phosphonic acid ester or of a phosphinic acid with an acylating agent.  Suitable activators are benzoyl benzenephosphonic acid ethyl ester, O-benzoyl benzenephosphonic acid phenyl ester, O-benzoyl styryl phosphonic acid monophenyl ester, O-benzoyl diphenyl phosphinic acid and O-benzoyl di-n-butylphosphinic acid.  The compositions, which may contain 0.1-1 mol. of the activator per mol. of active oxygen in the composition, may also contain stabilizers, buffer substances, fibre-protecting agents and optical brighteners.  In the examples, the compositions contain in addition to sodium perborate and the activator, an alkyl sulphate comprising mainly dodecyl sulphate, sodium pyrophosphate, sodium tripolyphosphate and water glass.ALSO:Fibres, yarns, woven or knitted fabrics or textiles consisting of natural or synthetic fibrous materials, e.g. cotton wool fabrics, are washed and bleached by treating them with an aqueous solution or suspension containing an inorganic peroxidic compound, e.g. sodium perborate, and an activator which is a reaction product of a phosphoric acid ester or of a phosphinic acid with an acylating agent.  Suitable activators are benzoyl benzenephosphonic acid ethyl ester, o-benzoyl benzenephosphonic acid phenyl ester, o-benzoyl styryl phosphanic acid monophenyl ester, o-benzoyl diphenyl-phosphinic acid and o-benzoyl di-n-butylphosphinic acid.  The treating composition, which may contain 0.1-1 mol of the activator per mol of active oxygen in the composition, may also contain stabilisers, buffer substances, wetting agents, detergents, fibre-protecting agents and optical brighteners. The treatment may be effected at 30-60 DEG C.  Mixtures of the activators with the inorganic peroxidic compounds have good stability on storage at normal temperatures even in the presence of the other detergent composition components normally used.  In the Examples the treating compositions contain in addition to sodium perborate and the activator, an alkylsulphate comprising mainly dodecyl sulphate, sodium pyrophosphate, sodium tripolyphosphate and water glass.
Patent GB-1080849-A (GB)
Title: Lifebuoy
IPC: B63C9/08
Filed: 1966-06-22
Abstract: 1,080,849. Lifebuoys. GENTEX CORPORTION. June 22, 1966 [July 27, 1965], No. 27941/66. Heading B7U. A lifebuoy comprises an annular body of resilient buoyant material, e.g. unicellular foamed plastic, with a continuous extent of flexible tension-resisting material therein. The body (12) is made in two halves (26) between which the tension-resisting material is sandwiched, said continuous extent comprising first and second cords (36, 38), e.g. of braided nylon, secured to spaced lengths (28, 30, 32, 34) of tape or webbing formed with loops (14, 16, 18, 20) supporting an endless hand line 24 to which a person can hold.
Patent GB-173840-A (GB)
Title: Single lever safety hot and cold water mixing tap
IPC: F16K11/20
Filed: 1920-10-04
Abstract: 173,840. Illing, P. Oct. 4, 1920. Mixing-valves.-A valve for mixing hot and cool water comprises a casing having a cold-water inlet a, Fig. 2, a hot-water inlet c, and upper and lower delivery ports k, Fig. 1. The main valve spindle f is provided with a screwed sleeve o engaging the short spindle n of the valve e, while another valve e is prevented from rotating by a square spindle r which slides in a square hole s surrounded by ports p for the passage of hot-water. When the spindle f is operated, the sleeve o screws on to the spindle n to an extent determined by an adjustable gap q, and thus opens the cold-water valve t. Further rotation of the spindle then withdraws the valve e from its seat so that mixed water is delivered. The length of the gap q is determined by the position of the lever i, which is rotatable with its connected screwed sleeve working on a screw-thread of coarse pitch on the valve casing. If the gap q is reduced to zero, the valve t is prevented from opening, and hot water only is delivered. In a modification, Fig. 4, cold water is admitted by the pipe l and passes out through the passages p to the hot-water reservoir while the hot water, thus displaced, flows downward through the pipe k to the valve casing where it may or may not be mixed with cold water according as the valve controlling the passage b is open or closed by reason of the position of the control lever i. The construction of the valve spindle and valves is the same as in the arrangement first described.
Patent GB-730048-A (GB)
Title: Improvements in hangers for garments, fabrics or the like for display or other purposes
IPC: A47G25/06
Filed: 1952-11-07
Abstract: 730,048. Garment racks. METALS, Ltd., and CLAYFIELD, A. Nov. 9, 1953 [Nov. 7, 1952], No. 28034/52. Class 52 (5). A garment or towel rack comprises a rectangular frame of unitary formation having cross-bars 1, 2 and an end pivot pin 3 which engages in a bracket 4 to hold the frame in a horizontal position. In practice the frame is held inverted and the garment or towel folded over the bar 2. The frame is then returned to its normal position and the pivot pin engaged in the bracket. The suspended article is thus wrapped around the rails and held in position. In a modified construction (Fig. 3) the frame has outwardly extending square-sided pins 3a which engage keyhole slots 5 in the brackets 4.
Patent GB-187244-A (GB)
Title: Improvements in electric snap action switches
IPC: H01H21/42
Filed: 1922-07-27
Abstract: 187,244. Ward Leonard Electric Co., (Assignees of Bullinger, F. H.). July 29, 1921, [Convention date]. Switches, quick-action; retractive switches. - A switch, constructed to open and close with a quick action, comprises a contact 12 mounted on a lever 11 toggle-jointed at 10<a> to a lever 10, which is pivoted at 9 to side-pieces 8<a> on the base. The lever 10 is actuated by a spindle 14, having a wing- nut handle 14a and an extension 15<a> engaging a surface 10<c> of the lever 10. A spring 13 moving across the deadcentre produces a quick closure and holds the switch closed so long as the lever 10 is maintained in the position shown in Fig. 3. Release of the wing-nut 14<a> allows the spring 13 to pull the toggle down, the contact 12 sliding over the fixed contact 7 until it meets the turned-out part 7<a>. This results in the switch being rapidly opened by impelling the lever 11 back across the dead centre to the position shown in Fig. 2. Specification 183,839 is referred to.
Patent GB-1380351-A (GB)
Title: Electrical connector
IPC: H01R4/50
Filed: 1972-06-15
Abstract: 1380351 Electric connections HEGO ELECTRIC GmbH 4 April 1973 [15 June 1972] 28185/72 Heading H2E  A connector comprises an insulating housing with a cable receiving aperture 25 and a metal pin 4 adapted for endwise coaxial engagement with the conductor of the cable 15 and releasable gripping means mounted in or on the housing for holding the cable in engagement. The pin 4 is electrically connected to a metal bar 16, retained in the housing 1 comprising a recess 20 in which a gripping sleeve 18 is releasable retained by a tooth 21 on a resilient arm 22 engaging a notch 23. The sleeve 18 has the opening 25, an opening 26 for receiving the pin 4, and openings 27 for receiving the arms of a U- shaped spring 3 mounted on the pin 4. The sleeve 18 contains resilient fingers 28, toothed ends 29 of which grip the cable 15. In use, the sleeve is fitted over the cable until the end of the cable abuts the end of the sleeve with the cable held by the finger ends 29; the sleeve is inserted into the recess 20 so that the pin enters the end face of the cable conductor and the arms of the spring 3 hold the finger ends 29 against the cable. The bar 16 may have one or more additional pins 4 each with an associated housing cavity and sleeve so that two or more cables can be interconnected; alternatively the connector may include a solder tag or terminal connected to the pin 4. In another embodiment the gripping means comprise two pivotally mounted jaws (6, 8) instead of the sleeve described above.
Patent GB-239084-A (GB)
Title: A device for imparting a limited angular rotation to a lever
IPC: B61L19/16
Filed: 1924-11-25
Abstract: 239,084. Tyer & Co., Ltd., and Leake, F. W. Nov. 25, 1924. Addition to 235,416. Lever linkages; levers and rods, loking; cam mechanism. - In a modification of the parent invention, instead of movement being transmitted from the lever 1 to the levers 6, 7 by insertion of a displaceable bar between the free ends thereof, a pivoted extension 17 to the lever arm 6 is provided which moves idly when actuated by the lewer 1, unless its outer end is obstructed, as by movement of an armature 13, when the extension pivots about its outer end movement is transmitted to the lever 6, 7.
Patent GB-646042-A (GB)
Title: Improvements in or relating to method of making an anti-skid tire retread and the retread so formed
IPC: B62B13/04
Filed: 1947-10-24
Abstract: 646,042. Wheel tyres. CROOKER, D. E. Oct. 24, 1947, No. 28459. Convention date, Dec. 18, 1946. [Class 144 (ii)] [Also in Group V] A re-tread for tyes is formed by assembling a series of helical springs 13 and tread material over the tyre casing 12 in a two-part mould 6, applying a circular mould-plate 10 having edge-flanges 11 and groove-forming ribs 10, curing-rings 8 being assembled over the plate 10. As shown in Fig. 5, the springs 13 are formed with corrugations 16.