baber/WOPTO huggingface dataset:
Patent GB-1181979-A (GB)
Title: Improvements in or relating to a Method of Manufacturing a Plastic Tube having a Closed or Shaped End from a Open-ended Tube
IPC: B29C65/48
Filed: 1967-05-17
Abstract: 1,181,979. Moulding tube ends. ISOTUBE. 17 May, 1967 [24 May, 1966], No. 22849/67. Heading B5A. A method of closing the end of an open-ended plastics tube 1 in two separate shaping stages comprises placing the tube on a mandrel 2 with one end of the tube projecting above the mandrel, forcing the said end against a preliminary shaping surface 5, 6, the part 5 of which is heated and the part 6 having fluid cooling channels 10, thereby bending the tube end inwards, removing the tube from the shaping surface and rapidly forcing the shaped end under pressure into an unheated cup-shaped cavity (8), Fig. 4, not shown, of a further tool (7), whereby a final shaping is effected to produce a completely closed end.
Patent GB-1024872-A (GB)
Title: Improvements in or relating to liquid fuel supply systems
Inventor: DEAN DOUGLAS RAYMOND
IPC: F23K5/06
Filed: 1961-06-23
Abstract: 1,024,872. Supplying oil to burners. TECALEMIT Ltd. June 1, 1962 [June 23, 1961], No. 22858/61. Heading F4T. In a liquid fuel burner installation having a ring conduit comprising a fuel feed line 2, 2a, 2b and a fuel return line 3, 3a, 3b, the pressure in the return line is maintained at a pressure lower than the feed line by pressure regulating devices 8, 9, 10 and the burners 11 are connected so that, in the direction of fuel flow around the ring conduit, the burner outlets are connected to the return line in reverse order to the connection of their inlets to the feed line. The ring conduit also includes a heater 7 and a supply tank 1. The pressure regulating devices 8, 9, 10 may be pressure relief valves or flow restriction devices.
Patent GB-690637-A (GB)
Title: Improvements in or relating to containers
IPC: B65D3/14
Filed: 1950-09-19
Abstract: 690,637. Beaded, curled and wired sheetmetal edges. JACOB & CO., Ltd., W. & R., MOON BROS., Ltd., and SARGEANT, W. R. June 4, 1951 [Sept. 19, 1950], No. 22920/50. Class 83 (ii). [Also in Group XVII] A rectangular sheetmetal container, such as a biscuit tin, is formed along the edges of its mouth with an outwardly curled bead, and the walls of the container immediately under the bead are formed as a shoulder so that the outer periphery of the bead is substantially flush with the side walls of the container. A strengthening band 12 may be inserted before curling, and a sealing means may be applied in the recess 14.
Patent GB-360362-A (GB)
Title: Improvements in and relating to gas filled electric discharge vessels
IPC: H01J61/30
Filed: 1930-07-30
Abstract: 360,362. Discharge lamps. SCHALLREUTER, W. L. W., 73, Cambridge Terrace, Hyde Park, London. July 30, 1930, No. 22931. [Class 39 (i).] Geissler discharge vessels for illuminating, advertising. &c. have opal glass walls so that all visible rays emitted are dispersed and the effect of luminosity over the entire diameter or contour of the vessel is produced. The vessels are filled with gas or with mixtures of gas and vapour and may be of bulbous form shaped as flowers and fruit. The Provisional Specification describes also vessels which are partially clear, partially opaque and partially coloured.
Patent GB-861485-A (GB)
Title: Improvements in or relating to sealing means
Inventor: HARTLEY KENNETH
IPC: G21F7/047
Filed: 1958-07-17
Abstract: 861,485. Nozzles. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. June 22, 1959 [July 17, 1958], No. 22947/58. Class 69 (3). [Also in Group XVII] A device 19 for washing down the interior of a filling duct on a container comprises a cylindrical portion 12 having an end 14, in which a pipe 15 is inserted, and apertures 16, 18 for the passage of liquid.
Patent GB-908304-A (GB)
Title: An arrangement for detecting an interturn short-circuit in the armature of a direct-current machine
IPC: G01R31/34
Filed: 1960-07-01
Abstract: 908,304. Protective cut-out systems. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. July 1, 1960 [July 2, 1959], No. 23090/60. Addition to 903,635. Class 38 (5). Shorted turns in the armature of a direct current machine are detected by means of a switching transistor, connected to a stator winding, excited only by armature flux, the transistor being coupled to a counter. When a fault occurs in the armature of a D.C. motor, voltage pulses are induced in the stator winding. The transistor is arranged to conduct when pulses exceed a certain amplitude so that the counter operates an alarm or disconnects the motor when a predetermined number of such pulses have been received.
Patent GB-208691-A (GB)
IPC: C10C1/04
Filed: 1923-09-14
Abstract: 208,691. R³tgerswerke Akt.-Ges., and Kahl, L. Dec. 20, 1922, [Convention date]. Hydrocarbons, distilling. -'In distilling coal or other tar, the vapours from the still are passed directly into a fractionating column, from the top of which fractions are taken which can be treated by crystallization &c. but without redistillation to yield final products such as naphthalene, anthracene, &c. The reflux from the column is returned to the still. The fractionating column 3 surmounting the still 2 is connected at the top to a condenser 7 and may be divided by plates 4 with bubbling hoods 5 or may be formed by a vertical cylinder filled with bodies such as Raschig rings or divided by horizontal sieves. Specifications 8034/84, 11195/90, 25967/02 and 112,966 are referred to.
Patent GB-476269-A (GB)
Title: Improvements in and relating to rubber derivatives
IPC: C08C19/12
Filed: 1936-08-24
Abstract: Bromine water, or a mixture of reagents which liberates bromine in situ, is added to natural or artificial latex to produce brominated rubber containing not more than 70 per cent of bromine. Thus, sodium or potassium bromide and bromate are added to ammonia-preserved latex which has been stabilized with saponin, treated with formalin to neutralize the ammonia and finally acidified with hydrochloric or sulphuric acid; or the acid, bromide and bromate may be added to latex preserved with formic acid; or the bromide and bromate may be added to diluted field latex containing hydrochloric acid; or other reactions involving the oxidation of hydrobromic acid by bromates, permanganates, bichromates and peroxides may be utilized.  A product containing 12 to 13 per cent of bromine may be "vulcanized" by heating with zinc oxide and, preferably, magnesium oxide, in the absence of sulphur.  Specification 476,743 is referred to.
Patent GB-517699-A (GB)
Title: Improvements in the method of and means for disintegrating fibrous materials
IPC: B02C7/08
Filed: 1938-08-05
Abstract: 517,699. Disc mills. TALBOT, J. J. A. Aug. 5, 1938, No. 23191. [Class 59] [Also in Group VIII] A disc mill for fibrous material has fixed and rotary grinding surfaces 14, 15 with inverted V-ribs tangental to a circle of less diameter than that of the inner edges of the grinding faces to facilitate passage of material which is blown through the grinding zone. The discs clearance is adjusted by studs 21. The rotary disc is driven by a worm 27. The material is drawn through the mill by a fan drawing a current of air through the discharge pipe 31.
Patent GB-432770-A (GB)
Title: Improved process of separating ammonium chloride
IPC: H04N3/04
Filed: 1934-08-11
Abstract: In separating ammonium chloride from its mixtures with alkali metal salts, e.g. nitrates, sulphates, &c. by flotation, the flotation is effected in an alkaline medium and the froth recovered after flotation is destroyed by the addition of one or more acids, whereby pure crystals of ammonium chloride are obtained.  The liquor obtained after the separation of the ammonium chloride may be treated to restore its alkalinity for re-use in a subsequent cycle of operations.  After the removal of the froth, one or more bases may be added to the alkaline liquor before the separation of the alkali metal salts.  After the separation of the alkali metal salts, the liquor containing the added bases may be treated to restore it to its original composition.  The above described addition of acids and bases may be so determined that on combining the liquors remaining after the separation of the ammonium chloride and the alkali metal salts respectively, a liquor having the composition of the original alkaline flotation liquor results.  The flotation may be effected at 20 DEG  C., using flotation reagents such as sodium oleate, oleic acid, pine oil and cresol alone or in admixture, or a mixture of petroleum spirit and colza oil.  Examples relate to the separation of ammonium chloride and potassium nitrate obtained by the reaction of potassium chloride and ammonium nitrate, and to the separation of ammonium chloride and neutral sodium sulphate.
Patent GB-1174733-A (GB)
Title: Electromagnetic Frequency and Phase Converters
Inventor: MILYAKH ALEXANDR NIKOLAEVICH
IPC: H01F30/14
Filed: 1968-05-16
Abstract: 1,174,733. Frequency and phase converters. INSTITUT ELEKTRODINAMIKI AN U.S.S.R. 16 May, 1968, No. 23245/68. Heading H2F. A frequency and phase converter (3-phase to 1-phase) comprises a plurality of transformertype differential push-pull magnetic amplifiers 1, 1<SP>1</SP>, 1<SP>11</SP> (Fig. 1), having series connected primary windings 2, 2<SP>1</SP>, 2<SP>11</SP> connected to three phase terminals and outputs 4 and 5, 4<SP>1</SP> and 5<SP>1</SP>, 4<SP>11</SP> and 5<SP>11</SP> connected in series to provide a single phase output at terminals 6 and 7. Control windings are connected to corresponding phase outputs of a control unit (not shown) through terminals 8-9-10, 8<SP>1</SP>-9<SP>1</SP>-10<SP>1</SP>, 8<SP>11</SP>- 9<SP>11</SP>-10<SP>11</SP>. When control square wave pulses, from the control unit, and the 3-phase supply are applied to the amplifiers, voltages appear at terminals 4 5 &c., the phases of which voltages are reversed periodically according to the frequency of the control pulses. The instants at which these changes occur in each amplifier are shifted with respect to each other by 1/ 3  of the period of the control pulses. These voltages are summed by series connection of the outputs 4, 5 &c.), producing at terminals 6, 7 an output at a fundamental frequency equal to the difference between the supply frequency and control pulse frequency for a forward sequence of the supply voltage and control pulse phases, and to the sum of these frequencies for a reverse sequence thereof. In an alternative embodiment (Fig. 2, not shown) bridge type push-pull magnetic amplifiers are employed.
Patent GB-1335748-A (GB)
Title: Grinding machine
IPC: B24B41/06
Filed: 1971-04-19
Abstract: 1335748 Grinding CINCINNATI MILACRON-HEALD CORP 19 April 1971 [4 May 1970] 23329/71 Heading B3D A machine for grinding a ball-introduction notch in a bearing race comprises a workhead 14 mounted on a base A, a wheelhead 13 mounted on the base and having a spindle 48 with an abrasion wheel 49, means for producing relative motion longitudinally and transversely of the spindle axis between the workhead and the wheelhead, and apparatus associated with the workhead for holding the race and oscillating it through a predetermined angle about an axis parallel to and spaced from the spindle axis. The workhead 14 is mounted on a swivel plate 11, Fig. 3, on the base of the machine and consists of a shaft 12 on which is fastened a yoke 15 having arms 19, 21 provided with pads 22, 24 engaging the outer race of a bearing 16 mounted on an eccentric of a shaft 17 rotated by an hydraulic motor whereby the angular oscillation of the shaft 12 is effected. The shaft 12 consists of an outer portion 28, Fig. 4, and an inner portion 29. The outer portion is held against axial movement and is rotatably mounted in bearings in a sleeve 25 in the workhead. The minor portion 29 is axially movable in the outer portion under the action of fluid pressure supplied to one or other side of a piston 31 formed on the inner portion and slidable in a cylinder 32 in the outer portion. The workpiece 38, Figs. 6 and 7, such as the inner race of a bearing, is radially located by locating elements 39, 41 and a movable pad 42, and is clamped against a platen 44 mounted on a head 35 on the inner portion 29 of the shaft 12 by fingers 45, 46 mounted on a flange 36 on the outer portion 28 of the shaft 12. The wheelhead 13, which carries the spindle 48, Fig. 8, and grinding wheel, is mounted on a cross slide 51 movable by an hydraulic cross feed mechanism 52 for "controlled force" grinding. The upper part 53 of the cross slide is movable relative to a lower part 54 by a hand-operated screw 55 from a position #1 for grinding the notch 57<SP>11</SP> in an outer race, to a position #2 for grinding the notch 57<SP>1</SP> in an inner race. In operation, for grinding the notch in an inner race, the workhead is advanced to position the grinding wheel within the race and the mechanism 52 actuated to feed the wheel into the race at the same time as the eccentric on the shaft 17 is rotated by the hydraulic motor to cause the yoke 15 to oscillate the shaft 12 and hence the workpiece. The depth of grinding of the notch relative to the bottom of the groove of the race is controlled by a feeler 60 or 67, Fig. 10, according to whether an outer or inner race is being ground, which engages the bottom of the groove and is coupled to a transducer 61, 68. The output of the transducer is compared with that of a transducer 65 engaging a size stop 66 on the cross slide 51.
Patent GB-321706-A (GB)
Title: Improvements in or relating to a method and means of making gratings, metallic floorings, and similar gridwork
IPC: B21D47/00
Filed: 1928-08-17
Abstract: 321,706. Newman, A. J. Aug 17, 1928. Gratings, metallic floorings, and sin ilar gridwork, are formed by threading notched bars A, Fig. 3, through perforations 2 in bars B and, when the notches 1 are in register with the perforations, laterally displacing the notched bars and securing them, as by means of wedges or plugs 3, or by strips or keys 4, Fig. 4. Fig. 5 shows a grating resting on supports 10 which serve to press the bars A upwardly into locking position. Specification 301,161 is referred to.
Patent GB-830288-A (GB)
Title: A new or improved appliance for use in paperhanging
IPC: B44C7/06
Filed: 1957-07-24
Abstract: 830,288. Paperhanging appliances. HULSE, A. Sept. 16, 1958 [July 24, 1957], No. 23382/57. Class 20(2) An appliance for hanging paper on ceilings comprises a telescopic strut 8 which supports in resilient contact with the ceiling a rubber roller Q of the standard width of wallpaper, and a T head V carried by an arm T pivotally engaged with the strut by a removable point S and loaded by a spring U to bear against the ceiling. The roller Q is mounted on a bar M carried by a spring containing socket L in which slides the strut B. The base of the strut fits into a socket G of a cruciform base. The bar M carries hooks to receive the T head V when not extended, and a wedge (not shown) to prevent rotation of the roller Q.
Patent GB-1334075-A (GB)
Title: Alkyl- and alkenyl-substituted cyclobutyl-acetic acid
IPC: A01N31/04
Filed: 1970-10-20
Abstract: 1334075 Substituted cyclobutyl-acetic acid and esters thereof ZOECON CORP 20 Oct 1970 [22 Oct 1969] 23437/73 Divided out of 1334074 Heading C2C The invention comprises cis-1-methyl-2-isopropenyl-cyclobutyl acetic acid and (C 1 -C 6 ) alkyl esters thereof. The acid and its esters may be obtained by treating cis-1-methyl-2- acetyl-cyclobutyl acetic acid or its (C 1 -C 6 ) alkyl ester with a phosphorane of the formula (R) 3 P=CH 2 , wherein R is aryl, cycloalkyl, aralkyl or dialkylamino. Examples are given for the preparation of the free acid and its methyl ester. The acid and its (C 1 -C 6 ) alkyl esters are useful in the preparation of cis-2-(1<SP>1</SP>- methyl - 2<SP>1</SP> - isopropenyl - cyclobutyl) ethanol. Cis-1<SP>1</SP>-methyl-2<SP>1</SP>-acetyl cyclobutyl acetic acid or its (C 1 -C 6 ) alkyl ester may be obtained by halogenating 6-methylbicyclo (4,2,0) octan-2- one to give 3-halo-6-methylbicyclo (4,2,0) octan-2- one, said halo being Cl or Br, dehydrohalogenating this compound to give 6-methylbicyclo (4,2,0) oct-3-en-2-one, methylating this compound with methyl magnesium halide, methyl lithium or methyl sodium to give 2,6-dimethylbicyclo (4,2,0) oct-3-en-2-ol, and converting this compound by mild oxidative cleavage into 1-methyl- 2 - acetyl - cyclobutyl acetic acid which may then be esterified to give a (C 1 -C 6 ) alkyl ester thereof. 6 - Methylbicyclo (4,2,0) octan-2-one may be converted to a cyclic (C 2 -C 4 ) alkylene ketal before halogenating as above, the said ketal group being removed by acid hydrolysis after formation of the halogenated ketone or after formation of the enone.
Patent GB-446815-A (GB)
Title: Improvements in or relating to walls or in or relating to bricks, tiles, slabs, or the like, for use in the construction of walls
IPC: E04C1/39
Filed: 1935-08-15
Abstract: 446,815. Bricks; tiles; slabs. HILL, W. H., 28, Birks Hall Terrace, Halifax. Aug. 15, 1935, No. 23501 /34. [Class 87 (i)] Bricks, tiles, and slabs for walls, more particularly for public and private conveniences or lavatories, are formed on the outer face with small sharp or rounded ridges b in parallel disposition spaced slightly apart, with flat side faces c and bevelled ends c<1>, to prevent scribbling thereon. The ridges may run vertically, laterally or otherwise on the wall. Fig. 2 shows a block, and Fig. 5 a slab.
Patent GB-649871-A (GB)
Title: Improvements in or relating to axial flow compressors
IPC: F04D29/06
Filed: 1948-09-09
Abstract: 649,871. Gaseous seals. PARSONS & CO., Ltd., C. A., and MEDCALFE, F. Sept. 9, 1948, No. 23701. [Classes 122(iii) and 122(v)] In an axial flow compressor the inlet end bearing 4 is provided, between it and the region of sub-atmospheric pressure 5, with labyrinth type oil seals 6 to which pressure air is continuously supplied and from which escaping air may enter a pocket 7, and the opposed faces of the bearing casing 2, which is split in a plane containing the bearing axis, have passages 9 therein substantially enclosing the bearing 4 and supplied continuously with pressure air. Specification 624,098 is referred to.
Patent GB-1283895-A (GB)
Title: Vehicle ignition circuit cutting device
Inventor: SCHLEE HERMANN
IPC: H01H29/00
Filed: 1971-04-19
Abstract: 1283895 Engine stop gear H SCHLEE 19 April 1971 [11 March 1970] 23792/71 Heading F1K [Also in Division H1] A safety device for automatically and instantaneously cutting the ignition circuit of a vehicle upon an impact due to an accident comprises at least one ferromagnetic element (hammers 20, 21) held by a least one magnet 22, 23 in a rest position and a fragile electric bridge 13 inserted in the circuit to be cut, the element being movable away from the rest position under the action of inertia when the vehicle undergoes such an impact so as to break the bridge. As shown the bridge is formed by a glass tube 17 filled with mercury and closed by conducting members 18, 19 in contact with the mercury. It is possible to provide two or more additional hammers arranged to come into operation for lateral impacts.
Patent GB-317639-A (GB)
Title: A paper pasting machine
IPC: B05C1/12
Filed: 1928-08-20
Abstract: 317,639. O'Donnell, W. Aug. 20, 1928. Coating webs.-A device for pasting paper consists of a box of the, form shown carrying four rollers A, B, C, D between which the paper passes as indicated. The box is of metal, or wood lined with metal, and the rollers of wood with metal pivots carried in detachable bearings. The lines joining the centres of the rollers B, D with that of the roller C make angles of 40‹ with the vertical.
Patent GB-708308-A (GB)
Title: An improvement in or relating to belt-coupling devices
Inventor: POLLARD ERNEST
IPC: F16G3/00
Filed: 1951-10-13
Abstract: 708,308. Belt fastenings. FLEXICON, . Ltd. Oct. 8, 1952 [Oct. 13, 1951], No. 23882/51. Class 80(1)  A hinged belt fastener comprises interengaging hooked plates b, d secured to the belt ends by rivets or by screws and keeper plates. the plate b is wider than the plate d, its central portion being engaged by a knife edge on plate d while its outer edges are bent to form fingers preventing lateral disengagement. Longitudinal disengagement is prevented by the end faces of the belt-in assembly the plate b is secured to the belt, the plate d is interengaged therewith and finally the plate d.is secured to the belt.
Patent GB-1372659-A (GB)
Title: Hydraulic control systems
IPC: B62D33/07
Filed: 1973-05-18
Abstract: 1372659 Hydraulic control circuits E WEBER, [trading as EMIL WEBER FABRIK FUR OLHYDRAULIK] 18 May 1973 [18 May 1972] 23904/73 Heading F1P In an arrangement for tilting the cab of a motor vehicle by a ram 1, a pin 40, which locks the cab in the lowered position, is withdrawn when pressure fluid is supplied to raise the cab. To raise the cab a valve 9 is moved to the left and fluid passes the through a line 6 to a chamber 29. Since a line 30 is closed by a valve 31 a piston 24 is moved to the right withdrawing the pin 40. This opens a line 32 so that fluid can extend the ram 1 by passing through line 6, valve 17 and a further line 6. To retract the ram 1 the valve 9 is moved to the position shown and fluid is supplied through a line 15 to a chamber 14. Pressure in the line 15 opens a check valve 7 so that fluid is returned from the chamber 5 through line 6, valve 7, valves 8 and 31 and chamber 29. Non-return valves 17, 7 hold the cab in any position when there is no pressure in line 15. When the cab is nearly completely lowered a pin 18 on the piston 2 pushes a member 19 which opens non-return valve 17. Application No. 10893/73, is referred to.
Patent GB-762640-A (GB)
Title: Improvements in or relating to hermetically sealed electrical components
Inventor: WOOLTORTON ERNEST
IPC: H01G4/224
Filed: 1954-08-18
Abstract: 762,640. Carrying conductors through partitions; insulators. STANDARD TELEPHONES & CABLES, Ltd. Aug. 18, 1954, No. 24029/54. Addition to 634,544. Drawings to Specification. Class 36. In an electrical apparatus as disclosed in the parent Specification, each insulating bush projects externally as well as internally of the container, to which it is hermetically sealed. A connecting conductor for the component within the container is hermetically sealed to the silvered end of the bush within the container.
Patent GB-337477-A (GB)
Title: Improvements in light-sensitive devices
IPC: H01J40/14
Filed: 1929-08-06
Abstract: 337,477. Compagnie des Lampes. April 10, [Convention date]. Copying -telegraphs. - Electric oscillations, which can be controlled by light, are set up in a neon tube or the like L by connecting it in series with a resistance R across a potential AB with a condenser C in parallel with the resistance or neon tube. Changes of frequency and intensity of the oscillation, produced by variation of the light falling on the neon tube; are detected by a telephone receiver T or a galvanometer G, and may be used directly or after amplification to control a copying- telegraph or television transmitter. The oscillation may be modulated by applying alternating- current or by interrupting the light incident on the tube. The colour-sensitivity of the tube depends on the pressure and nature of the gaseous filling, which may be neon or argon. According to modifications the telephones and galvanometer are in parallel (Fig. 5, not shown) or in series with the tube (Figs. 6, 7 and 8, not shown); two independent oscillators act on the same telephones and galvanometers, Fig. 6a (not shown); an intermediate, polarized electrode provides amplified current for the telephones and galvanometer (Figs. 9 and 10, not shown) ; two additional electrodes are used so that the circuit of the telephone and galvanometer is separate from the feeding circuit, Figs. 11 and 12 (not shown). Specification 313,143, [Class 38 (ii)], Electric currents, Converting &c.], is referred to.