baber/WOPTO huggingface dataset:
Patent GB-861339-A (GB)
Title: Improvements relating to fencing posts
Inventor: DRAKE RODNEY SHUTTLEWORTH
IPC: E04H12/22
Filed: 1958-04-24
Abstract: 861,339. Fence Posts. WOLSELEY ENGINEERING Ltd., and DRAKE, R. S. July 22, 1959 [April 24, 1958], No. 12992/58. Class 45. A fence post comprises an upright 5 which has a spiked end 6 and a pig-tail 7, and has a boss 12 welded on to one side of it. Mounted on a pivot 9 passing through the boss are two hooks 8 of T-section and each comprising a straight bar and a curved portion which is an arc of a circle. The central spike is pushed into the ground 13 and then the spikes driven lower to the position shown in Fig. 1. Specification 688,392 is referred to.
Patent GB-626460-A (GB)
Title: Improvements in or relating to spring means for biasing rotatable elements
IPC: G05G5/00
Filed: 1946-04-30
Abstract: 626,460. Springs. WEST & CO., Ltd., A., and NIBLETT, F. T. April 30, 1946, No. 13016. [Class 108 (iii)] [Also in Group XXXVII] A shaft 1, of a drum controller for an electric traction motor, for example, rotatably carries two arms 2 and 3. Two clock-type springs 4 and 5 are coiled about the shaft, the opposite ends of each spring being respectively anchored to a different arm so that the springs act to bias the arms in opposite directions. The arms normally come to rest at opposite sides of a stop 10. The arm of a bent lever 11 which is fixed to the shaft extends between the two arms and is held so that the controller is in the " off " position when the arms are against the stop. If a handle is actuated to turn the shaft from this position in either direction, one of the arms is forced away from the stop and both springs are stressed so that, on release of the handle, the controller is returned to the " off " position.
Patent GB-528906-A (GB)
Title: Air blast circuit breakers for high rated currents
IPC: H01H33/32
Filed: 1939-05-02
Abstract: 528,906. Gas-blast switches. AKT.-GES. BROWN. BOVERI, & Cie. May 2,1939, No. 13069. Convention date, May 6, 1938. [Class 38 (v)] An air blast switch with power and isolating points of interruption has the power switching contact pressure produced pneumatically by providing the movable contact with a piston which can be subjected to air pressure on both sides and arranged so that, on opening, the opening pressure is greater than the closing pressure. The isolating switch is of the simple air-break kind In the Figure the operation of valve f releases compressed air from container a by way of insulator b and chamber m to the power point d and the upper side of a piston g. The lower side of this piston is in continuous communication by way of tube k having constriction o through insulator i to the container a. The influx of compressed air into chamber m may open a valve n so that the contact making pressure is reduced while the piston is descending. An isolating switch is supported on insulator c.
Patent GB-202374-A (GB)
Title: A complete potato and like harvesting machine
IPC: A01D17/12
Filed: 1922-05-10
Abstract: 202,374. Paterson, A. P., and Paterson, R. May 10, 1922. Rotary-tool machines, with means for separating stones, etc.; cleaning parts.-In a potato harvester that may be used for digging up and collecting weeds, stones, &c., potatoes are lifted by a share D provided with projecting bars D<3> and adjustably carried by brackets D' mounted on an elevating conveyer frame R, R'. The conveyer frame carries sprocket-wheels E<1>, E<2>, h<1>, h<2>, over which the endless chains r<3> of the conveyer pass these chains also passing over similar sprocketwheels i<1>, i<2>, mounted in the rear of the machine, and spring-pressed tensioning-wheels. The chains carry elevating buckets formed by tines N. N<1> by which the potatoes are lifted from the surface of the ground and tipped on to an inclined transverse band m<2> that carries stones, soil, &c. on to the front part of an oscillating frame Q, the potatoes running freely off the rear of the band on to the rear part of the frame Q. The inclination of the band m<2> may be adjusted. Rods P extending under the upper stretch of the elevating band intercept the haulms, these being carried along the rods to the rear of the machine by extensions of the tines N, N<1>. The tines are cleaned bv rotating combs l. The frame Q, which is fitted with grading riddles r, r<1> and bagging-spouts s, s<1>, for the potatoes, is supported at each end by flat springs L, L<1> and is rocked by a crank actuated from the main wheels of the machine. The largest potatoes pass over the riddles to a hopper U<2> whence they are carried by the buckets U<1> of an elevator U to a cart. The front portion of the conveyer frame R, R' is mounted in guides on the main frame A, and may be vertically adjusted by a hand lever s<2>, springs F<2>, F<3> assisting in supporting the weight of the conveyer frame. The share may be removed when the machine is used for lifting potatoes that are lying on the surface of the soil guides then being fitted to direct the potatoes to the conveyer.
Patent GB-298597-A (GB)
Title: Improvements in or relating to automatic control apparatus for motion picture projecting machines
IPC: G03B21/18
Filed: 1928-05-04
Abstract: 298,597. Sentry Safety Control Corporation, (Assignees of Adams, J. F., and Allen, T. T.). Oct. 12, 1927, [Convention date]. Kinematograph apparatus. - In a projector, means operated both by excessive enlargement and by excessive diminution of a film loop closes a circuit to release a cut-off shutter. As shown, a crank 27 on a pivot 25 has a weighted arm 29 and carries a pin 31, within a film loop 18. Contraction of the loop turns the crank so that it engages a finger 32 on a shaft 23 carrying a contact plate 24 outside, the film loop. Rotation of the shaft 23 either by the finger 32 or by the. plate 24, turns a cam 39, Fig. 3, and forces a contact 40 into engagement with a contact 41. The contacts may be included in a circuit system which is described in the Specification and controls the cut-off shutter and the driving motor.
Patent GB-277906-A (GB)
Title: Improvements in temperature indicators
IPC: G01K5/62
Filed: 1927-05-17
Abstract: 277,906. Stallan, W. J., and Freestone, A. W. May 17, 1927. Thermometers. - In a thermometer for automobile radiators, of the kind in which a helical bimetallic strip actuates an indicator, the indicator and the bimetallic strip are contained in a single casing and are attached directly to a single spindle mounted in bearings in the casing. The indicator 8 in the form of a drum is secured to the upper end of the spindle 5 within an enlargement 2 of the casing 1 and the bimetallic strip 9 is mounted with one end 10 secured to the lower end of the casing and with the other end 11 secured to the spindle 5. Windows 3 are provided for observation of the indicator. Specification 212,182 is referred to.
Patent GB-133291-A (GB)
IPC: H01T13/04
Abstract: 133,291. Scintilla, [Firm of]. Oct. 1, 1918, [Convention date]. Magneto-electric machines. -In an ignition magneto provided with means whereby the primary can be short-circuited to prevent the risk of sparking when not desired the short circuit is made through a cable e passing through an insulating bush d arranged between two insulating blocks through which pass the cables leading to the sparking-plugs. Contact is made between the cable e and the coil by a brush g or other spring contact bearing on the rim of a disk attached to the armature.
Patent GB-990461-A (GB)
Title: Improvements in and relating to the treatment of mixtures of liquid hydrocarbons
Inventor: MCARTHUR WILLIAM
IPC: C10G50/00
Filed: 1961-04-13
Abstract: Purified petrol and other valuable products are recovered from a crude petrol feedstock containing polymerizable olefinic material including cyclic and acyclic conjugated diolefines in a process which comprises in succession selectively polymerizing the conjugated cyclic diolefines in the mixture, separating low-boiling material without substantially decomposing the polymerized residue, polymerizing the conjugated acyclic diolefines in the separated low-boiling material, and separating petrol therefrom.  The two polymerization steps may be effected by heating to 100-150 DEG  C. and 200-300 DEG  C. respectively, preferably under at least sufficient pressure to keep the feed liquid, and the separation steps are preferably effected by distillation at 120-160 DEG  C. and above 200 DEG  C., respectively, especially by flash distillation. Amongst the by-products there is obtained a mixture of polymerized cyclic conjugated diolefines and mono-olefine monomers containing 8 or more carbon atoms which is substantially free of acyclic conjugated diolefines having less than 8 carbon atoms, which mixture may be employed as a resin former, and, from the second separation, a residue which may be used as a linseed oil substitute.
Patent GB-1291661-A (GB)
Title: Sulphonylamino-pyrimidines
IPC: C07D239/69
Filed: 1971-05-06
Abstract: 1291661 Antidiabetic medicines BOEHRINGER MANNHEIM GmbH 6 May 1971 [9 May 1970] 13422/71 Heading A5B [Also in Division C2] Pharmaceutical preparations especially exhibiting a strong and long-lasting antidiabetic action contain sulphonamide-pyrimidines and/ or salts thereof as active ingredient, e.g. 1-(2- phenyl-ethyl)-biguanide salt of 2-(2-methoxy-5- methyl-benzamido)-N-[5-isopropoxy - pyrimidinyl-(2)]-1, 2, 3, 4-tetrahydronaphthalene-7-sulphonamide. Administration may be enterally or parenterally.
Patent GB-104832-A (GB)
Title: Improvements relating to Emptying and Filling the Ballast Tanks of Submarine Vessels.
Inventor: YARROW HAROLD EDGAR
IPC: B63G8/22
Filed: 1916-09-23
Abstract: 104,832. Yarrow, H. E. Sept. 23, 1916. Ballasting. - Relates to means in a submarine vessel of operating simultaneously all the valves of a ballast tank or group of tanks, namely the sea-valve, the air-venting valve, and the compressed-air valve, from one or more central stations, and consists in the use of levers or the like controlling a supply of fluid pressure or electric current to pistons or motors operating the valves. As shown, the control lever a operates a triple piston e<1>, e<2>, e<3> in cylinders charged with glycerine, water, or air, the resulting pressures being transmitted. by pipes g<1>, g<2>, g<3> to pistons p which, in turn, operate auxiliary piston valves o to control the supply of compressed air or liquid from the pipe l to the pistons j operating the ballast-tank valves i. Side branches h<1>, h<2> from the pipes g<2> &c. lead to similar valves of other ballast tanks. The control lever in the mid-position, as shown, may be arranged to open only the venting-valves. In the electric arrangement, the lever a controls motors which operate the tank valves through worm or rack gearing, or circuits through electro-magnets for operating the auxiliary piston valves o.
Patent GB-378101-A (GB)
Title: A parcel-sealer
IPC: B65B51/06
Filed: 1931-05-11
Abstract: 378,101. Attaching adhesive strips. HUNT, S. J., 2, Beverley Road, Mitcham, Surrey. May 11, 1931, No. 13859. [Class 140.] A portable device for attaching adhesive strips of paper &c. to parcels &c. consists of a wedge-shaped casing 10 having a cylindrical end 12 provided with a hinged cover 28, and having mounted therein, by means of a bolt 22, a roll 24 of the strip to be attached, a brake spring 46 being carried by the cover. Mounted in the tapering portion is a container 14 adapted to hold an adhesive or moistening fluid. An aperture 38 in front of the container is closed by a felt &c. pad 40 which extends from the base of the container through the aperture and serves to moisten the gummed strip or apply adhesive thereto. Mounted on the inclined face of the container is a leaf spring 42 over which the strip 26 passes before passing through a slot 20 in the base 16 of the device. In operation, the gummed end of the strip is pressed on to the article by the curved end 18 of the base 16 and the device is moved away from the point of attachment, the tension of the strip serving to depress the spring 42 until the strip touches the end of the pad 40. A sharpened end 52 of the casing serves to sever the strip. Inspection of the strip is facilitated by an opening 58.
Patent GB-317346-A (GB)
Title: Process for obtaining light hydrocarbon oils from tar sands
IPC: C10G1/04
Filed: 1928-05-11
Abstract: 317,346. Rule, A., Watts, H. G., and Imperial Chemical Industries, Ltd. May 11. 1928. Mineral and tar oils, extracting.-Light hydrocarbon oils are obtained from tar sands by extracting their carbonaceous content with solvent and submitting the extract, with or without removal of solvent, to destructive hydrogenation in a, known manner. As solvent the light or middle oils produced in the process are used. Specifications 282,691 and 283,545 are referred to.
Patent GB-703393-A (GB)
Title: An improved means for controlling the supply of fuel to internal combustion engines
IPC: F02D9/00
Filed: 1949-05-25
Abstract: 703,393. Spray carburetters. MARCHANT, W. A. Aug. 25, 1950 [May 25, 1949; May 25, 1949], Nos. 13917/49 and 13921/49. Class 7(3) A device for delaying the commencement of fuel flow from a carburetter jet comprises a chamber 1 connected to atmosphere by a bleed orifice 2 and by a pipe 15 to a chamber around the fuel jet open to engine intake suction, e.g. the fuel jet chamber shown in Fig. 3 of Specification 556,205. On each engine suction stroke the chamber 1 delays the build-up of suction in the chamber around the fuel jet and hence delays the point at which fuel begins to flow from the jet. The chamber 1 may be connected directly to the pipe 15 or, as shown, through a chamber 3 having an air inlet valve 12 which is opened by a suctionoperated diaphragm 8 to prevent the suction in the chamber 1 exceeding a predetermined value. The orifice 2 may be a fixed orifice or it may be adjusted in relation to engine speed or throttle position, e.g. by a suction-actuated valve.
Patent GB-901299-A (GB)
Title: Compositions for cleaning internal combustion engines and method of using same
IPC: F02B77/04
Filed: 1961-04-18
Abstract: A cleaning composition for internal combustion engines comprises a mixture, by volume of (a) 90-30, preferably 40-80, parts of mesityl oxide, and (b) 10-70, preferably 60-20, parts of dimethyl formamide or dimethyl acetamide.  An especially suitable composition comprises 70 parts of (a) and 30 parts of (b).  The composition may be diluted with aliphatic hydrocarbons boiling below 300 DEG  F. such as engine fuel, or with low molecular weight esters such as methyl or ethyl formate or acetate.  The composition is suitably used by adding 20-60 c.c.s per engine cylinder of up to 50 c.ins. capacity to the carburetter air intake while the engine is run at a fast idle.
Patent GB-167330-A (GB)
Title: Improvements in or relating to locks
IPC: E05B63/00
Filed: 1920-05-20
Abstract: 167,330. Larsen, S. A. E. May 20, 1920. Night-latches and like spring locks; wards; picking, preverating.-The spring-pressed bolt 2 carries a rack-bar 5, which is operated by a keyoperated toothed member 8 arranged with wards 9, 10 in a cylindrical casing 11 mounted transversely to the bolt casing 1. The casing 11 may extend through the middle of the bolt casing 1 or may project into the edge of the casing 1 and be held thereto by lugs. A notch 16 formed in the plate 8 engages a rib 12 in the case 11 to allow the plate to be turned through a certain angle, the wards 9, 10 having narrow notches 17 to engage with the rib 12 and prevent turning. A handle 23 carrying a rod 24 may be provided on the inside of the door to operate the bolt 2. The key is provided with bits and spaces so arranged that, when properly inserted, it may be freely turned in the holes 14, 15 in the wards 10, 9, but engages with the plate 8 to operate the bolt. A spring-pressed plate 21 mav be arranged in the case 11, which plate must be pushed in, against its spring 22, by the end of the key before the key is in correct position for operating the lock.
Patent GB-989695-A (GB)
Title: Ashtrays
Inventor: BURRIDGE ANTHONY ARTHUR
IPC: A24F19/00
Filed: 1963-04-09
Abstract: 989,695. Ashtrays. WILMOT BREEDEN Ltd. April 7, 1964 [April 9, 1963], No. 14075/63. Heading A2M. An ashtray comprises an apertured sleeve which closes an opening to the ashtray when the ashtray is moved from an operative to an inoperative position. The ashtray, a hollow body 12, is non- rotatably supported by a connecting member 11 which has grooves 11cwhich engage dimples 12 on the hollow body. The connecting member has a spigot 11a with edge slits 11brotatably engaged in a central aperture in a mounting piece 10 screwed to a parcel shelf 18. The body 12 has a sleeve 15 free to rotate thereon and with an aperture 15a which either aligns with an opening 12b in the body 12 or closes the opening by rotating the body 12 with respect to the mounting piece through 180 degrees from an operative to an inoperative position. A bevel gear 17 on the sleeve meshes with a gear 16 on the mounting piece 10. To empty the ashtray the body 12 is slid out of the connecting member and an end cap 14 is removed. The mounting piece 10 may comprise two screw threadedly engaged parts. The upper part then passes through an aperture in the parcel shelf and has a flange engaging the upper side of the shelf.
Patent GB-1163233-A (GB)
Title: Manufacture of Metal Wool Scouring Pads
Inventor: MILLS GEORGE
IPC: B23P17/06
Filed: 1967-03-28
Abstract: 1,163,233. Scouring pads. COLGATEPALMOLIVE CO. 22 March, 1968 [28 March, 1967], No. 14087/67. Heading A4R. [Also in Division B3] A scouring pad comprises a plurality of layers of metal wool, the fibres in each layer being disposed predominantly parallel to one another but in at least the outer layers they are oblique with respect to the fibres in the adjacent layer or layers. position on the bar top. The device may be secured by clamping means, 17, 19, 20.
Patent GB-1004815-A (GB)
Title: Improvements in or relating to electrical analogue computing circuits
Inventor: CALVERT RAYMOND
IPC: G06G7/14
Filed: 1963-04-09
Abstract: 1,004,815. Electric analogue calculating. WAYNE KERR LABORATORIES Ltd. April 6, 1964 [April 9, 1963], No. 14197/63. Heading G4G. An electrical analogue computing circuit for determining the modulus of difference between two quantities comprises a potentiometer 10, Fig. 1, having two adjustable taps 11 and 12, a constant current source 13 for feeding the potentiometer, and means responsive to the voltage across the portion of the potentiometer between the two taps. With switch 14 connected to the end 17 of the potentiometer, the taps 11 and 12 are set to give voltages across meter 16 proportional to quantities A and B. Consequently the resistances between point 17 and taps 11 and 12 are proportional to AR and BR respectively and the resistance between 11 and 12 is proportional to (A - B)R. Switches 14 and 15 are then connected to taps 11 and 12 and the voltage indicated by meter 16 is proportional to  A - B | . In a modification, Fig. 3 (not shown), switches are provided to enable a constant voltage source in series with a current meter to be connected between switches 14 and 15. With taps 11 and 12 set as before to provide a resistance proportional to | A - B |, the constant voltage source is connected to the taps and the current registered on the current meter is proportional to Alternatively, the constant voltage source may be connected to set the taps to give currents proportional to A and B respectively so that the resistance between the taps is proportional to If the constant voltage source and current meter are now connected between the taps the current is proportional to or if the constant current source and the voltage meter are connected the voltage is proportional to In Fig. 4 a high gain amplifier 20 together with a source of known voltage E and a standard impedance 21 are used to provide the constant current and constant voltage sources. With switches 30 and 31 in the position shown, the amplifier acts as a constant current source and a voltmeter 23 replaces the voltmeter 16 of Fig. 1. With switches 30 and 31 in their other positions, the input E supplies a constant voltage and the voltmeter 23 gives an indication of the current in the feedback path. The potentiometer 10 is preferably resistive and the standard impedance 21 may be resistive or reactive. The output voltmeter 23 may be replaced by further computing means or by other voltage measuring means.
Patent GB-771471-A (GB)
Title: Improvements in lighting fittings for elongated electric lamps
IPC: F21S8/00
Filed: 1953-05-22
Abstract: 771,471. Elongated lighting fittings. CAMPBELL, G., and BENJAMIN ELECTRIC, Ltd. May 22, 1953 [June 5, 1952], No. 14231/52. Classes 75(2) and 75(4) , A lighting fitting for at least two elongated electric lamps 17, 18 comprises two end portions 10 held in rigid spaced relation by a member 11 extending between them, lampholders for supporting the lamps between the end portions parallel to each other and one on either side of the member 11, reflectors 27, 28 extending between the end portions and presenting one opening which lies on one side of the common plane of the lamps and a further opening which lies on the other side of said plane whereby light is directed from the fitting in two opposed directions, and at least one compartment for electrical accessories disposed at one end of the fitting and formed in part by one of the end portions 10. In the embodiment shown an accessory compartment is formed at each end of the fitting. The two openings formed by the reflectors 27, 28 are parallel and are located at the top and bottom of the fitting, the upper being smaller than the lower. The lower edges of the reflectors are removably hinged to the end portions 10, by pins 29, 30 on the end portions engaging in trap grooves in the reflectors, and the upper edges of the reflectors are held in spring clips 31, 32 fastened to the end portions. The member 11 extending between the end portions 10 is made by welding together two plates 11a, 11b shaped to provide upper and lower spaces 12, 13 running the whole length of the member. The upper space 12 registers with holes in the end portions 10 and carries conductors 21, 22 connecting the electrical accessories in the end compartments. The end portions 10 may be secured to the member 11 by welding or by a rod passing through the lower space 13 or by bolts threaded into the ends of  the lower space 13. The member 11 is made reflective and is arranged at right angles to the light emitting openings and wholly between their planes so that it acts to limit low .angle direct lighting from the lamps. The lamps are closer to the upper opening than the nearer edge of the member 11. The end portions 10 are flanged and have flanged covers forming the end compartments. A plurality of fittings may be mounted in line end to end, the covers of adjacent fittings being omitted.
Patent GB-497929-A (GB)
Title: Improvements in or relating to the preparation of transparent resinous products
IPC: C08G12/12
Filed: 1937-05-21
Abstract: Transparent, water-resistant, resinous products are obtained by heating urea in an aqueous, alkaline solution of formaldehyde, containing about 2-2,5 mols. of formaldehyde per mol. of urea, by first boiling for 5 minutes, then maintaining at 50-80 DEG  C. for a short period of about 30 minutes, concentrating at the same temperature until the weight of the solution is 2,075-2,175 times the weight of the urea originally employed, care being taken that the pH value of the solution does not fall below 7, and, within 90 minutes from the initial boiling, acidifying to pH of 5\pm0,25 and casting the solution in a mould maintained at a temperature of 74-76 DEG  C. until the resin solidifies to a gel (18-22 hours) and finally drying the solidified resin in air at a temperature not exceeding 34 DEG  C. The solution may be momentarily heated to 90 DEG  C. upon acidification.  Drying may be at 34 DEG  C. for 6-7 days. Concentration is effected at 70 DEG  C. under reduced pressure, e.g. 75 mm. of mercury, or less.  A mixture of urea with less than 1/20 mol. of thiourea may be employed.