baber/WOPTO huggingface dataset:
Patent GB-962169-A (GB)
Title: Improvements in endless chain cutters for mowers and other agricultural implements
IPC: A01D34/83
Filed: 1960-08-18
Abstract: 962,169. Reaping machines; hedge cutters. G. A. FAIRBAIRN. Nov. 20, 1961 [Aug. 18, 1960], No. 28695/60. Headings A1E and A1F. A mowing machine which may be used as a hedge cutter comprises a member 10 pivotally secured at 14 to a frame and carrying at either end a sprocket wheel 13, 32 the former of which drives an endless chain having cutting teeth 31 and arranged to travel within the member 10 so that the teeth project through a slot therein and that teeth moving in one direction co-operate with teeth moving in the other direction. A crop divider 41 is attached to a casing 40 housing the sprocket wheel 32 and the cutters 31 when passing into this housing are arranged to engage stationary cutters 50, 51 so that the crop is prevented from entering the housing 40. The ends of the member 10 are inclined at 33, 34 and a guide 38 along which the rollers of the chain run asociated with guides 50f and 51f position the chain and cutters correctly for entering the houing. The slot in the member 10 through which the teeth project may be made adjustable.
Patent GB-353769-A (GB)
Title: Improvements relating to boxes or cases having hinged lids
IPC: B65D51/04
Filed: 1930-09-25
Abstract: 353,769. Boxes. RAMSDEN, W. F. and ROED, C. F., 18, Warwick Street, London. Sept. 25, 1930, No. 28740. [Class 18.] The lid B of a box is hinged to the body A by a series of knuckles C, D, the knuckles C being carried by the lid and the knuckles D by a tube D<1> through which a flat torsion spring e is arranged with one end c<1> connected to the lid and the other d' to the tube while a second flat torsion spring f, parallel to the spring e, is arranged in a tube F integral with the tube D<1> with one end f<2> fixed to the tube and the other end f<1> to the body A of the box. The lid is secured in the closed position by a catch G engaging a slot g in the.top of the box and to open the lid it is pressed slightly downwards and forwards against the action of the spring f to move the catch free of the edge g<1> of the slot g and, when released, the lid is opened by the action of the spring e<1>. A stop k on the tube contacts with the bottom of the box to prevent the lid opening too far.
Patent GB-1117225-A (GB)
Title: Signalling systems for detecting the passage of vehicles
IPC: B61L21/06
Filed: 1965-07-07
Abstract: 1,117,225. End of train detector. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES, Ltd. 7 July, 1965 [10 July, 1964], No. 28782/65. Heading B7N. An end of train detector comprises a loop 11 positioned between the rails of a track which is fed from an oscillator 1 and a responder 2 suspended from the draw-hook of the last vehicle of a train which includes a pick up coil and a detector for rectifying the picked up energy and supplying a modulated oscillator which transmits a signal to a trackside receiver 3. The oscillator is modulated by a low frequency signal indicative of the type of train and selective relay circuits 3 1 , 3 n  are provided in the receiver to respond to this information. The responder is provided with switch means between the detector and the modulated oscillator which is closed only when the responder is suspended from a draw-hook.
Patent GB-367871-A (GB)
Title: Improvements in the art of setting diamonds or the like
IPC: B23P5/00
Filed: 1930-09-26
Abstract: A setting for a diamond comprises an alloy of molybdenum, copper, and cobalt, with or without a little iron; for example 26 per cent of molybdenum, 46 per cent of cobalt, 27,75 per cent of copper, and 0,25 per cent of iron.
Patent GB-1496873-A (GB)
Title: 5-substituted aminoacetyl-8-hydroxy-or-alkoxycarbostyrils and production thereof
IPC: C07D215/26
Filed: 1974-12-27
Abstract: 1496873 Carbostyril derivatives OTSUKA PHARMACEUTICAL CO Ltd 27 Dec 1974 [26 Dec 1973 22 May 1974 27 May 1974 (4) 26 Aug 1974 (4) 2 Sept 1974 11 Nov 1974 (2) 4 Dec 1974] 28862/77 Divided out of 1496768 Heading C2C Novel compounds II (R<SP>1</SP> and R<SP>2</SP> are H, 1-4 C alkyl, 4-6 C cycloalkyl, or aryl-1-4 C alkyl; or NR<SP>1</SP>R<SP>2</SP> is a 5- or 6 - membered substituted or unsubstituted heterocyclic ring containing 1 or 2 N, O or S atoms as heteroatoms; and R is H or 1-4 C alkyl) and acid addition salts thereof are prepared by reaction of a compound IVa or IVb (X is halo) with ammonia or an amine HNR<SP>1</SP>.R<SP>2</SP>; or by dealkylation of a compound II where R is alkyl to give a compound II where R is H. Compounds IVa and IVb may be prepared by reaction of a compound VII with a haloacetyl halide. Compounds IVb may also be prepared by Fries rearrangement of a compound V or by hydrolysis of a compound VI
Patent GB-661847-A (GB)
Title: Improvements in or relating to voltage reducing devices for arc welding systems employing transformers
IPC: B23K9/10
Filed: 1949-11-14
Abstract: 661,847. Supply systems for welding arcs. HENDRIKS, J., and PLOEG, J. V. D. Nov. 14, 1949 [Sept. 22, 1949], No. 29074/49. Class 38 (iv). To reduce the voltage which can occur at the electrodes of arc welding apparatus when supplied from a welding transformer 1, particularly on open circuit, a choke 4 is included in the primary circuit 2 of the transformer and bridged under the control of a relay 10 having a voltage coil 9 connected across the transformer secondary 3 and a current coil 8 included in the secondary circuit acting in opposition such that upon application of the supply to terminals 11, 12 the voltage coil 9 is energized to open the relay contacts 7, remove the bridge 5 and thereby ensure a reduced voltage at the welding terminals 13, 14 until the striking of the arc and welding current flows, whereupon the secondary voltage falls and allows the contacts to reclose. The subsequent welding current in coil 8 holds the contacts 7 closed to replace the short-circuit on the choke until the welding current ceases. The arrangement avoids saturation and hence over-heating of the relay core.
Patent GB-835766-A (GB)
Title: Process for colouring fur pelts
IPC: D06P3/30
Filed: 1956-09-24
Abstract: Colour effects on fur pelts are obtained by applying to the tips of the fur, as a resist, an aqueous dispersion of a water-insoluble synthetic resin containing also a water-soluble or water-swellable thickening agent, then dyeing the pelt and finally washing to remove the resist.  Suitable resins are polymers or copolymers of unsaturated compounds such as polyvinyl acetate, propionate or chloride, polyacrylic acid esters, polystyrene and butadieneacrylonitrile or styrene-butadiene-acrylonitrile copolymers, the polymer preferably being free from carboxyl groups; plasticizers, such as tricresyl phosphate or dibutyl phthalate, may be added. Pigments, especially white pigments, may also be added to the dispersion. Specified thickening agents are tragacanth, potato starch, carboxymethyl cellulose and methyl cellulose. Removal of the resist is facilitated by the addition of a dispersing agent or detergent to the washing liquor.  Dyeing is effected with oxidation or vat dyestuffs, the material having previously been killed with, e.g. sodium carbonate or ammonia, and, if necessary, mordanted with, for example, ferrous or copper sulphate or potassium bichromate. Examples are given.
Patent GB-874734-A (GB)
Title: Capping device
Inventor: ELDRIDGE WILLIAM
IPC: B67B3/14
Filed: 1958-09-11
Abstract: 874,734. Closuring containers. WICANDERS (GREAT BRITAIN) Ltd. Aug. 18, 1959 [Sept. 11, 1958], No. 29190/58. Class 125(2). A capping device for applying metal foil caps to containers comprises a holder 11 for a resilient closing disc 1 which has a sealing recess 2 for the cap and an annular groove 4 in which fits a coil tension spring 5 which presses the cap into intimate contact with the rim of a container when the device is operated. A rigid centre disc 7 engages the top of the cap during sealing. The coil spring is formed from closely coiled material having a rectangular crosssection so that it presents a smooth surface to the cap. Specification 689,912 is referred to.
Patent GB-1436689-A (GB)
Title: Imidazo-1,2-b-pyridazines processes for their preparation and insecticidal compositions incorporating them
IPC: C07F9/6561
Filed: 1974-07-03
Abstract: 1436689 Insecticidal phosphorus-containing imidazo[1,2b]pyridazines ROUSSEL-UCLAF 3 July 1974 [5 July 1973] 29428/74 Headings C2P and C2C Novel compounds of Formula I where R<SP>1</SP> is H or halogen, Y is O or S, X is C 1 -C 6  alkyl and Z is H or (C 1 -C 6  alkoxy) carbonyl may be prepared by reacting a compound of Formula II or an alkali metal salt thereof with a compound of Formula III optionally in the presence of a tertiary organic base and/or a solvent. In examples starting materials are prepared as follows: (a) 2-hydroxy-3-ethoxycarbonyl-6- chloroimidazo[1,2-b]pyridazine is prepared by reacting 3 - amino - 6 - chloropyridazine with diethyl bromomalonate; (b) the potassium salt of 2 - hydroxyimidazo[1,2-b] pyridazine is prepared by reacting 6-chloro-2-hydroxyimidazo- [1,2-b]pyridazine with potassium methylate and hydrogen in the presence of 10% palladium on charcoal. The compounds of Formula I have insecticidal properties and may be used as the active ingredients in conventional pesticidal compositions.
Patent GB-873654-A (GB)
Title: Packaging apparatus
Inventor: PODLESAK HARRY GEORGE
IPC: B29C65/00
Filed: 1959-08-28
Abstract: 873,654. Packaging machines. NATIONAL DAIRY PRODUCTS CORPORATION. Aug. 28, 1959, No. 29463/59. Class 94(1). A wrapper is pressed into intimate contact with an article being packaged by a convex resilient surface, contact being initially along the centre line of the article and then spreading towards its margins. Two such surfaces may engage the article between them. The invention is described as applied to the machine set out in Specification 791,425, and the resilient rolls of that machine are replaced by tyre-like driven members 105, 106, each on a hub 108 and mounted so that they flatten against each other with the wrapped articles U between them. The flattened areas completely overlap the articles. Air pressure is equalised and maintained in the members through connections 130, 131, 134 and bores in the shafts 110 carrying the pressing members.
Patent GB-257459-A (GB)
Title: Improvements relating to brakes of the expanding shoe type
IPC: F16D65/14
Filed: 1925-11-24
Abstract: 257,459. Fornaca, G. Nov. 24, 1925. Blocks and shoes acting on drums.-Expanding shoe brakes of the type in which the thrust imparted to one shoe by the rotation of the drum when the brake is applied is transmitted to the other irrespective of the direction of rotation of the drum are operated by a cam engaging a pair of levers mounted on a bridge member and respectively engaging the ends of the shoes. The shoes 1,2 are articulated and supported at their upper ends by means which allow the necessary relative expansion of the shoes and their oscillation as a whole when applied to the drum. The means shown are described in Specification 257,464. Levers 7, 9 pivotally connected by a bridge piece 8 are pivotally engaged with the ends of the shoes and are engaged by the cam 5. Assuming the drum to be rotating in the direction of the arrow and the cam to be turned to ,expand the shoes, the thrust imparted to the shoe 1 by the drum will be transmitted to the shoe 2 which will be thrust hard against a fixed stop 14 as shown in Fig. 2. If the drum is rotating in the other direction, the shoe 1 will receive the thrust of the shoe 2 and will abut against the stop 14.
Patent GB-253801-A (GB)
IPC: B23P5/00
Filed: 1925-11-24
Abstract: 253,801. Oertling & Rehders. June 22, 1925, [Convention date]. Drawings to Specication. Diamond tools.-The cutting edge on a glasscutting diamond is formed by grinding and polishing two or more facets.
Patent GB-643370-A (GB)
Title: An improved carving fork
IPC: A47G21/02
Filed: 1947-11-07
Abstract: 643,370. Carving forks. PEARSON, R. Nov. 7, 1947, No. 29659. [Class 30] A guard for a carving fork consists of a spring wire C bent into U form and then bent sharply inwards at its ends E, the ends engaging in a hole D through the shank A of the fork at the ends of transverse grooves B in the shank, the sides of the guard springing into the grooves when the guard is moved to operative position.
Patent GB-746588-A (GB)
Title: Detonator for blasting cartridges
IPC: F42B3/10
Filed: 1954-10-15
Abstract: 746,588. Blasting cartridges and detonators. POUDERIES REUNIES DE BELGIQUE SOC ANON. Oct. 15, 1954 [Dec. 3, 1953], No. 29802/54. Class 9(1) A blasting cartridge. 1 has a sheath 2 of salt rings and an axial recess receiving a detonator 3 with attached priming cable 4, the sheathed cartridge being provided with a paper wrapping 7. To secure the detonator in position, over it are placed a slotted disc 5 and a sheet metal ring 8 which has webs 9 extending over the length of the cartridge and having bentover ends 10. The disc 5 may be of ceramic, glass, salt or other suitable material.
Patent GB-260787-A (GB)
Title: A new or improved tool post for lathes or like machines
IPC: B23B21/00
Filed: 1925-11-26
Abstract: 260,787. Blackstone, G. M., and Brocklehurst, C. S. Nov. 26, 1925. Turning.-In a swivel and elevating tool post for a lathe, the tool is secured by screws h in a recess g of a plug f which is rotatable and vertically adjustable in a sleeve c and is locked by a bolt b. Vertical adjustment is effected by a sleeve e screwing in the sleeve c, the latter having elongated slots g<1> to accommodate the tool. An outer sleeve i protects the parts from chips and dirt.
Patent GB-213860-A (GB)
Title: Improvements in thermostatic valves
IPC: G05D23/13
Filed: 1923-11-27
Abstract: 213,860. Leonard, F. C. Nov. 27, 1923. Mixing valves.-A mixing valve for hot and cold water comprises two lift valves operated by a rocking spindle, on which is mounted also a thermostat which controls the relative lift of the two valves to maintain a constant temperature. The flow of hot and cold water is controlled by two double beat valves 14 which are connected by links 75 connected to a pivoted lever 73. The valves are lifted together by the rotation of the spindle 17, which is provided with an eccentric portion 67 serving as the pivot for the lever 73. A thermostat 16 in the form of a spiral coil of sheet material, is fixed at its outer end to an arm 46 and at its inner end to a sleeve 37 which is rotatable on the spindle 17. The lever 73 is rigid with an arm 74, which is connected by link mechanism 15 with the sleeve 37, so that a rotation of the sleeve 37 due to a temperature change produces a tilting of the lever 73 and a partial closing of one valve and opening of the other. The arm 46 is rigid with an external handle 22 and indicator 20, so that the thermostat may be set to obtain any desired temperature of water.
Patent GB-827986-A (GB)
Title: Plasticized and heat and light stabilized polymeric compositions
IPC: C08K5/1515
Filed: 1956-10-01
Abstract: Vinyl halide polymer compositions comprise as a plasticizer and stabilizer, an epoxide of the formula <FORM:0827986/IV (a)/1> wherein R1 to R6 represent a hydrogen atom or a lower alkyl group and the (CnH2n-1O) group represents an epoxyalkyl radical containing from 8 to 16 carbon atoms. Preferably the total number of carbon atoms in groups R1 to R6 does not exceed 10.  Vinyl halide polymers specified are polyvinyl chloride and copolymers of vinyl chloride with vinyl acetate, vinylidene chloride and acrylonitrile and vinyl chloridevinylidene chloride-acrylonitrile terpolymers.  The epoxide may be 3,4-epoxycyclohexylmethyl 9,10 - epoxy - (stearate, myristate or palmitate) or 3,4-epoxy-(1- or 6-methyl)-cyclo-hexylmethyl 9,10-epoxystearate or 3,4-epoxy-6-methylcyclohexylmethyl 5,6-epoxylaurate.  The compositions may also comprise a conventional plasticizer such as dioctyl phthalate and cadmium or cadmium-barium stabilizers, e.g. cadmium stearate.  Specification 814,199 is referred to.
Patent GB-817279-A (GB)
Title: Improvements relating to microwave oscillators
Inventor: ANDREWS CHARLES LUTHER
IPC: H03B5/18
Filed: 1955-10-21
Abstract: 817,279. Valve oscillators. GENERAL ELECTRIC CO. Oct. 21, 1955, No. 30186/55. Class 40 (6). [Also in Group XL (b)] A microwave oscillator comprises a valve surrounded by a conductive member which forms the outer wall of a grid-anode resonator and which is itself surrounded by a record conductive member which together with first member forms the outer and inner walls of a grid-cathode resonator, the first conductive member carrying an inwardly extending flange spaced by an insulating layer from an outwardly extending flange carried by the anode, to provide capacitive coupling between the resonators. The Figure shows a valve comprising a cathode 3, grid 4 and anode 5 mounted in a grid-cathode resonator 12, 15, 11, 16, 14, 9, 13, the member 12 being connected to the cathode contact sleeve 6 and the member 13 being connected to the grid contact ring 8. The anode and grid are connected to a resonator comprising the inner end of member 9, a flange 22 and the cap member 13. The flange 22 and cap 13 are spaced by an insulator 23 to provide sufficient capacitive coupling between the cavities to sustain oscillation. It is suggested that the grid-anode cavity operates in a radial or intermediate mode while the grid-cathode cavity operates in a higher coaxial mode. It is also suggested that the cathode contact ring 6 could be inserted directly in the end wall 15 of the outer resonator. Specification 755,985, [Group XL (a)], is referred to.
Patent GB-661549-A (GB)
Title: Improvements in or relating to hair fasteners or like hairdressing appliances
IPC: A45D8/12
Filed: 1949-11-24
Abstract: 661,549. Hairdressing appliances. McELENEY, J. R. Nov. 24, 1949. No. 30192/49. Class 131. A hair fastener comprises a body portion having a row of teeth projecting therefrom, each tooth being slotted inwardly from its free end, to form a guideway to receive a slider which clamps hair in the spaces between the teeth against the body portion. As shown teeth 12 projecting from the body 10 are slotted to form a guideway for a slider 24 which can be withdrawn sideways from the guideway, to open the fastener, but cannot be disconnected from the body because of the engagement of projections from the end tooth 14 into the guideway with the end of the slot 30. The opened fastener is thrust into the hair and as the slider is pushed into the guideway the curved end 34 lifts hair into the interdental spaces where it is clamped. The fastener is preferably made from plastic material and on entering the guideway the slider which is straight assumes the curve of the teeth ends and is retained in position by friction. In a modification the teeth extend downwardly from one side of the back and the upper ends of these teeth constitute the fastener teeth and are slotted for the reception of a side.
Patent GB-289722-A (GB)
Title: Dried fruit treatment
IPC: A23B7/022
Filed: 1927-11-11
Abstract: 289,722. Marks, E. C., R., (Sun-Maid Raisin Growers of California). Nov. 11, 1927. Conditioning dried fruits.-For improving dried fruits, particularly raisins. they are treated with steam and ozone or ozonized air and then, protected from the air, they are quickly dried preferably on a shaking heated metal grill at about 750‹ F. and vapours are exhausted from the drying chamber. Opposed blasts of steam at about 285‹ F. and highly concentrated ozone may be arranged to mingle amongst falling raisins which by the provision in the shoot of oppositely slanting louvres or shelves are caused to turn over and over during their descent: during the first part of the fall the steam-should preponderate and during the last part the ozone should be in excess.
Patent GB-969346-A (GB)
Title: Improvements in hoppers for feeding cigarettes
Inventor: KEMP WILLIAM JOSEPH
IPC: B65B19/10
Filed: 1961-08-23
Abstract: 969,346. Cigarette hoppers. MOLINS MACHINE CO. Ltd. Aug. 22, 1962 [Aug. 23, 1961], No. 30372/61. Heading B8S. Cigarettes in hopper 1 are agitated by swing- ing agitator 3 and fall down the shoots shown on to platform 5 for discharge therefrom. The shoots are formed by vertical vanes 6, 6A and 6B of which vanes 6A are agitated to assist the fall of the cigarettes down the shoots. Vanes 6A are secured together by horizontal studs 9 to form a unit and the unit is pivoted at 15 so that it may be oscillated in the vertical plane by rotating cams 17 which engage the vane unit by means of rollers 16 carried by the unit, the unit being resiliently supported by springs 20. As the vane unit moves up and down it is given a horizontal movement by engagement with wedge-shaped blocks 23 so that the unit moves both horizontally and vertical in a cyclic movement. The cams 17 derive their movement from gears 30 and 29 via shaft 18.
Patent GB-651210-A (GB)
Title: Improvements relating to salt pots and the like
IPC: A47G19/24
Filed: 1947-11-15
Abstract: 651,210. Powder distributers. ELLACOTT, F. B., and ROOK, T. W. Nov. 15. 1947, No. 30383 [Class 18] Means for overcoming caking or clogging of the contents of a salt distributer or the like comprises a rod 7 slidably mounted in a sleeve 6 carried by wires 5 depending from a ring 1 that can be clamped on the rim of the container by a removable cap 4, the rod being so dimensioned that, when reciprocated by shaking the container, the upper and lower portions will break up the salt in the mouth and in the interior of the container. The upper end of the rod may be pointed or it may be fluted or provided with a coarse thread or uneven surfaces or a conical end to permit passage or assist in ejection of the salt. The rod may also be formed or provided with cross pieces 13 to assist in breaking up the salt.
Patent GB-820481-A (GB)
Title: Improvements in or relating to yarn tension control devices
IPC: B65H59/36
Filed: 1954-10-25
Abstract: 820,481. Yarn tension control devices; stop mechanism. STANIER, H. Oct. 17, 1955 [Oct. 25, 1954], No. 30619/54. Addition to 795,800. Classes 120(2) and 142(1) The yarn tension control device of the parent Specification is modified such that movement of the counterweighted lever or arm not only controls the tension applied. to the yarn but also, as the lever or arm moves to the position in which the further eyelet determines the longest path for the yarn, acts to make or break an electric circuit controlling the machine or device utilizing the yarn. As shown, when the lever or arm 29 falls rearwardly tothe position shown in full lines (Fig. 1) the counterweight 31 makes electrical contact with the rail 37 to make or break an electric circuit to stop the machine. The stop mechanism may be rendered inoperative for any particular yarn control device. A plurality of similar devices may be mounted on a common channel member with a common contact element.
Patent GB-1204471-A (GB)
Title: Improvements in or relating to the cropping of billets
Inventor: ORGAN ALAN JOHN
IPC: B23D21/00
Filed: 1966-07-07
Abstract: 1,204,471. Shearing. NATIONAL RESEARCH DEVELOPMENT CORP. 6 Oct., 1967 [7 July, 1966], No. 30643/66. Heading B3W. In a method of cropping billets, the unsupported portion O of the billet B, which forms the offcut after cropping is at least partly immersed in liquid during cropping to prevent or at least reduce bending of the portion O about the cropping plane C in the direction of movement of the shearing member M. The liquid which may be water or oil is contained in a tank T and is maintained at a level L at which the surface of the portion O is not beneath any substantial depth of liquid. The portion O may be located in a recess P in a baffle A mounted in the tank, the recess being closed at the bottom and partially at the top (not shown). Instead of the plane working face shown, the shearing member may, in order to avoid indentation of the offcut by the rear edge (E2), Fig. 3 (not shown), of the member, have at least the portion of the working face adjacent the rear edge convexly curved, Fig. 5 (not shown).