baber/WOPTO huggingface dataset:
Patent GB-569025-A (GB)
Title: Improvements in or relating to instruments adapted for remote indication, control and such like by electrical means
IPC: G01D5/26
Filed: 1943-10-15
Abstract: 569,025. Photo-electric apparatus for transmitting readings of instruments. EDGCUMBE & CO., Ltd., E., and OCKENDEN, F. E. Oct. 15, 1943, No. 16976. [Class 40 (ii.i)] The moving member of an instrument 1, the indications of which are to be transmitted to other instruments, carries a mirror 2 connected through a lost-motion coupling 2<1>, 4<1> with the movable member of a spring-controlled electromagnetic device 3 carrying a mirror 4, and the two mirrors 2, 4 face a concentric curved mirror 5 so arranged that a ray of light from a lamp 6 is reflected by the mirror 5 from one to the other of the mirrors 4, 2 on its way to a photo-electric cell 7 adapted to control the output of a thermionic valve 9, which output is fed through the electromagnetic device 3 and the other instruments such as 13 for indicating, recording, or integrating the indications of the primary instrument 1, or for controlling devices in accordance with such indications. The current passing through the device 3 serves to make it follow the instrument 1. Lenses 6<1>, 7<1> are provided in front of the lamp and the photo-electric cell. The valve 9 is a gas-filled triode fed with A.C. through a transformer 8. A choke 12 is inserted in the output of the valve. The lost-motion coupling comprises a pin-and-slot joint which allows the light beam to travel across the photo-electric cell, but prevents such excessive movement of mirror 2 relatively to mirror 4 that the light would be moved completely off the cell.
Patent GB-290459-A (GB)
Title: Improvements in marking confections and in dies therefor
IPC: A23G3/28
Filed: 1927-06-27
Abstract: 290,459. Wallburg, W. V. June 27; 1927. Pressing dies; moulding confectionery &c.-The tops of confections are marked by embedding therein a die which is allowed to remain in position until the soft confection has hardened, whereupon the seal between the die and the confection is broken by admitting air between their contact surfaces, and the die is then removed. The die consists of a thin resilient sheet which bears a design and is permanently deformed to provide an outstanding wall, the die being temporarily deformable by pressure on its wall whereby its attachment with the confection is broken, and owing to its resiliency it assumes its original shape when the pressure is removed. The die 10 is conveniently of celluloid and of cup shape, the bottom 14 being provided with the designe with, if necessary, small holes 18 to allow for escape of air as the die is applied to the confection. By pressing inwards the opposite sides, the die is flexed to break the air seal and it can then be lifted without injuring the coating of the confection. The die may be of oblong or other shape, and preferably at least a sufficient portion of it is transparent for the confection to be observed through the die.
Patent GB-1034077-A (GB)
Title: Improvements in or relating to apparatus and a method for annealing glass
IPC: C03B25/08
Filed: 1962-05-03
Abstract: Water-cooled rolls 4 form a glass ribbon 2 which is conveyed through a horizontal lehr 1 on rolls 6 and 3.  In the annealing zone of the lehr, walls comprising spaced partitions 8-11, held by spacers 12 in frames 13, are provided. <PICT:1034077/C1/1> Partitions 8 and 9 are respectively of heat-resisting and stainless steel and have coatings 14-17 of a refractory material which provides their surfaces with a heat reflectivity greater than its heat absorbtivity at temperatures of the order of the annealing temperature of glass. The refractory material may be zirconia plus 5% calcium oxide or some other refractory oxide. Partitions 10 and 11 are of aluminium. Heaters 18 are provided to slow the cooling rate of the glass.
Patent GB-222561-A (GB)
Title: Improved manufacture of electrodes for electric discharge-tubes
IPC: H01J19/38
Filed: 1923-07-02
Abstract: 222,561. Wade, H., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). July 2, 1923. No Patent granted (Sealing fee not paid). Vacuum tubes.-A helical wire electrode 1 such as a grid is secured, to one or more supports 2 by means of a helical attachment wire 3 for each support, the attachment helices being placed in position so as to space the turns of the electrode, and the supports slid into the helices; the diameter of the supports is substantially the same as the inner diameter of the helices. The electrode may be wound on a mandrel with longitudinal grooves in which the helices are placed either before or after the winding operation. The electrode may be wound with a smaller pitch at one end, and with a single turn of the helices between the adjacent turns. The supports may be of circular, square or rectangular section. Two U-shaped supports may be used. Specification 186,499 is referred to.
Patent GB-892950-A (GB)
Title: Drill pipe float valves
Inventor: KEITHAHN JULIAN DMITRI
IPC: F16K15/03
Filed: 1959-05-20
Abstract: 892,950. Valves. BAKER OIL TOOLS Inc. May 20, 1959, No. 17144/59. Class 135. [Also in Group XXI] A drill pipe float check valve comprises a tubular valve body 12, Fig. 1, consisting of two parts 16, 18 joined together by diametrically opposite legs 20 and sealingly clamped in a drill pipe section B between a shoulder 11 in the pipe and a screw-threaded drill bit pipe C. A resilient valve seat element 30 standing proud of the valve seat 29 is protected from mud passing downwardly through the pipe by a retainer sleeve 33. The valve plate 36 is hingedly mounted on the body by means of bifurcated arms 42 and ears 43 through which pass a pivot pin 44 covered with a substantial thickness of pliant elastic material to permit limited freedom of movement of the valve plate to adjust itself to the valve seat when the valve is closed by a coil spring 48. A rubber or similar bumper 70 on the rear of the plate engages the pipe bore when the valve is open and absorbs vibrations of the drill bit to prevent damage to the valve parts. Vibrations of the drill bit are also absorbed by an elastic ring 80 clamped between the valve body part 18 and the drill bit pipe C.
Patent GB-1193817-A (GB)
Title: A Fuel Element for a Nuclear Reactor
Inventor: FEUTREL CLAUDE
IPC: G21C3/344
Filed: 1969-04-02
Abstract: 1,193,817. Fuel elements. COMMISSARIAT A L'ENERGIE ATOMIQUE. 2 April, 1969 [24 April, 1968], No. 17144/69. Heading G6C. A nuclear reactor fuel element is formed of fuel pencils 1 supported in the can 2 by the bracing members 3. Each member 3 is secured to the fuel element plug 6 by the stud 4 which engages the recess 5 and lies in the groove 7 round the plug. The groove depth is equal to the thickness of member 3 which may be of stainless steel or zirconium alloy.
Patent GB-573629-A (GB)
Title: Apparatus for transmitting speech signals by means of defining signals obtained fromthe speech oscillations
IPC: H04K1/04
Filed: 1942-12-03
Abstract: 573,629. Secret transmission. PATELHOLD PATENTVERWERTUNGS- & ELEKTRO-HOLDING AKT.-GES. Dec. 3, 1942, No. 17241. Convention date, Dec. 3, 1941. [Class 40 (iv)] In a system in which speech is synthesized at a receiver from a wave having the same momentary fundamental frequency as the speech and its harmonics in accordance with defining signals indicating the momentary energy distribution in the speech wave, the raw material wave is received from the sending station instead of being locally-generated under the control of arbitrary signals. To improve the secrecy of the system, the channels over which the respective defining signals are sent are changed from time to time and/or the defining signals are subjected to different amounts of delay in accordance with a plan which may be changed from time to time. Each defining signal may be divided into time elements, the order of which is changed by means of a recording device and a distributer. As shown, the respective channels of defining signals are connected to a corresponding number of recording heads over a distributing arrangement P. The recorded signals are picked up with different amounts of delay and takes over a further distributing arrangement Q to modulators M to enable all the channels to be taken over a single line L.
Patent GB-1000371-A (GB)
Title: Improvements in or relating to braking devices for coil-winding machines
IPC: H01F41/06
Filed: 1962-05-04
Abstract: 1,000,371. Tensioning means. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. May 4, 1962 [May 8, 1961], No. 17242/62. Heading D1D. A device for tensioning wire 16 before it is wound on to a coil former comprises a plurality of friction elements 20 that are adjustably loaded separately or in sections and are arranged in a row along the wire 16 so as to press the wire against a rigidly mounted friction element 32, characterized in that each friction element 20 is pivoted about an axis 21 so as to be capable of rotational movement to and from the wire 16 in a plane containing the wire, each element 20 carrying a friction surface 22 that is disposed forwardly of the axis 21 with respect to the direction of travel of the wire. The device can be opened by energizing an electro-magnet 42 to attract a slide 34 carrying a plurality of bars 37. As the slide 34 moves downwardly the bars 37 engage pins 23 on the elements 20 to cause the elements 20 to rock clock-wise and so move the friction surfaces 22 away from the element 32. The friction element 32 may be of glass and the friction surfaces 22 of sapphire. The friction surfaces 22 are rounded to give point contacts. The device includes a felt pad 14 for wetting the wire, and a tension indicator 44-50. If the tension in the wire exceeds a predetermined value the pointer 48 may open a contact to switch of the winding device or close a contact to actuate a signalling device. The friction element 32 may be divided into a plurality of separate elements.
Patent GB-560356-A (GB)
Title: Improvements relating to the production of wheelbarrow bodies
IPC: B21D22/00
Filed: 1942-12-04
Abstract: 560,356. Wheelbarrows. HEATH, L. M. Dec. 4, 1942, No. 17286. [Class 108 (i)] [Also in Group XXII] Wheelbarrow bodies are produced from sheet metal blanks without drawing by folding up the sides a and ends c from the bottom e and at the same time at the corners moving them towards one another into the folds f, g to close them together, the resulting bulges h being flattened against the corners to form a reinforcement which may be welded or riveted. According to the Provisional Specification, the folding may be effected at one side of the corner only.
Patent GB-423291-A (GB)
Title: Improvements in or relating to fertilisers
IPC: C08L95/00
Filed: 1934-06-12
Abstract: In order to convert sewage sludge into fertilizer it is first dehydrated in settling-tanks to a water content of about 70 to 80 per cent, then in the air or by admixture with drying substances, such as peat, wool dust, hair waste, straw, plant refuse or the previously prepared finished product, to a water content of about 40 to 50 per cent, and then stacked loosely in heaps so that it becomes heated to 90 DEG  C. and dried to a water content of 6 to 10 per cent, the product being finally finely disintegrated.  Fresh layers of the sludge are superposed in the heaps in such a way that no compression of the fresh layers preventing abundant access of air takes place. The bottom of each settling-tank is formed on a gradient and covered with a layer of porous sand, below which clarified water is drawn off through a slide plate or gate.  Water which separates above is drawn off over a slide plate acting as a weir.  The liquid in the settling-tanks is covered with dry peat mould which sinks as it becomes saturated, the covering being renewed daily.
Patent GB-232467-A (GB)
Title: Improvements in a process and apparatus for manufacturing tubular bodies from concrete
IPC: B28B21/48
Filed: 1924-07-21
Abstract: 232,467. Siegwart, H. July 21, 1924. Moulding pipes and tubes.- Relates to the manufacture of concrete pipes, conduits, piles, masts, &c. by helically winding a strip of concrete around a core by means of a band, e.g. as described in Specifications 15444/06 and 5392/09, and consists in employing a band wider than the strips so that each strip is pressed several times in succession. A collapsable sheet-metal core 1 is supported on discs carried by axially-adjustable shafts 3, and is embraced at its lower portion by an endless band 34 passing around pulleys 14, 17, 18, 24, 25, 27, 30, 31, 33 and 35. Material is supplied to the band by a container 51 furnished with an adjustable gate and is applied by the band to the core 1. A carriage 9, movable on rails 7 axially of the core, supports a pair of tubular members each carrying a standard 13 on which the various band pulleys are mounted. The standards 13 are adjustable simultaneously towards and from the core by rack gear 46 operable by a hand wheel 50 and are rockable simultaneously in opposite directions through a hand wheel 44, worm gear 42, 41 and segmental gears. Reinforcing-wires 23 are fed under tension from rollers 20-22. In operation, end rings 58, Fig. 13 are applied to the core 1, the standards 13 are set vertical and a wide strip of concrete is applied by the band to form the end portion 59; the standards 13 are next tilted and the supply of concrete is adjusted as to form a wedge strip 60 followed by a helical strip narrower than the band; finally the supply of concrete is reduced to form the terminal portion 62. Successive layers may be applied, the inclination of the standards 13 being reversed at each end. The carriage 9 is traversed by the oblique run of the band. A socket may be formed by a mould 65. To retain the concrete upon the core during pressing, the band 34, Fig. 1, may be provided with flexible edges adapted to be turned up by small rollers 52 adjacent the rollers 14 or by segments 53, Fig. 7, displaceable relatively to the core, e.g. by a lever 54 operable by a hand wheel 57 through worm gear 56.
Patent GB-460493-A (GB)
Title: Improvements in and relating to transformer windings
IPC: H01F41/00
Filed: 1936-06-23
Abstract: 460,493. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. June 23, 1936, No. 17449. Convention date, June 24, 1935. [Class 38 (ii)] Transformer coils are produced by winding wire whilst surrounded by a liquid insulating material such as an artificial resin varnish which may be hardened by heating, and subjecting the wound coil to the necessary heating process in a material which becomes liquid on heating, e.g. paraffin wax. The liquid insulating material may be applied by drawing the wire (either bare or insulated) through artificial resin varnish or by winding it on layers of paper coated with varnish. Pressure bands may be applied to the wound coil before its immersion in the heating bath, or the liquified heat-transferring material may be subjected to hydraulic pressure when the coil is immersed therein.
Patent GB-530037-A (GB)
Title: Improvements in precipitation of cellulose triacetate
IPC: C08B3/28
Filed: 1939-06-15
Abstract: 530,037. Cellulose derivatives. KODAK, Ltd. June 15, 1939, No. 17467. Convention date, June 16, 1938. [Class 2 (ii)] Cellulose triacetate is precipitated from its reaction solution by mixing it with aqueous acetic acid of between 40 and 60 per cent strength, maintaining such concentration by addition of water, removing the cellulose triacetate gel formed and treating it with hot, preferably boiling, water. The gel may be first washed with cold water to remove acid, the subsequent treatment with hot water being in counter-current. The product is a soft, easily soluble one. In examples (1) cellulose is warmed with acetic acid, cooled, mixed with acetic and sulphuric acid, cooled, mixed with acetic anhydride and sulphuric acid: the reaction mixture is introduced into excess of 50 per cent aqueous acetic acid, water being gradually added to maintain the concentration and the separated gel washed with water; (2) cellulose is mixed with glacial acetic acid containing phosphoric and sulphuric acid as catalysts, cooled, mixed with acetic anhydride : the reaction mixture is introduced in aqueous acetic acid of between 40 and 60 per cent strength and the separated gel washed with water. Specification 388,303 is referred to.
Patent GB-936304-A (GB)
Title: A hydraulic pit prop with pressure relief valve
IPC: E21D15/51
Filed: 1960-05-18
Abstract: 936,304. Valves. BWG BERGWERK-UND WALZWERK - MASCHINENBAU G.m.b.H. May 18, 1960 [Aug. 31, 1959], No. 17552/60. Class 135. In a pit-prop relief valve the closure member and/or the seat member is or are made of vitreous or ceramic material or of a crystalline mineral of the precious stone group. In the first example, Fig. 1, the ball closure member 8 is made of a vitreous or ceramic material and is loaded by a spring 10 on to a seat 14 in a housing 7. The fluid under pressure acts on a piston 2 which through a tappet 4, a set-screw 5, a pivoted lever 6 and a tappet 13 lifts the ball from its seat. The seat may be on an insert member and the closure member may be of the ordinary conical head form.
Patent GB-420454-A (GB)
Title: Improvements in or relating to the manufacture of glue films
IPC: C09H9/02
Filed: 1933-06-20
Abstract: 420,454. Moulding glue films. STOCKHOLMS BENMJOLSFABRIKS AKTIEBOLAG, Sandvik, Stockholm. June 20, 1933, No. 17583. Convention date, July 5, 1932. [Class 87 (ii)] [See also Group XIII] In a method for the continuous manufacture of glue films in long thin sheets, liquid glue is supplied to a glue-repellant endless travelling belt by means of a roller 6 rotating at a regulatable distance from the running surface of the belt and supplied by a second roller 7 dipping into a pot 8 of liquid glue. The belt 1 is made of paraffined or oiled paper, oil-cloth, fabric treated with linseed oil compositions, or other like material from which the film can be readily stripped without adhesion when cooled. The deposited film is passed straight through, or in a zig-zag course through a drying chamber 9 in which it is treated by a current of heated air supplied by a fan 11 so as to pass out at each end of the chamber. The cooled and dried film may be cut up into sheets or be coiled up on a roller 12. The belt, fan and glue-supplying rollers are all driven from a common motor 2. The subject-matter of Specification 420,475 is disclaimed.
Patent GB-292485-A (GB)
Title: Improvements in or relating to devices comprising relatively movable members, such as shock absorbers, pivotal connections and the like
IPC: F16F7/02
Filed: 1928-06-18
Abstract: 292,485. Compagnie d'Applications MÚcaniques. June 16, 1927, [Convention date]. No Patent granted (Sealing fee not paid). Flexible-unjointed hinges. - In pivotal connections in which two parts oscillate relatively to one another and are also subject to substantial distortion in other directions, interposed linings are so arranged that the first part of any movement results in yielding of an elastic component while further movement causes sliding of a frictional component. In the pivotal connection shown in Fig. 3, the pin 7 and the socket 8 are separated by rubber 9 connected to a frictional band 10 which may be split at 11 and consists of a material such as asbestos having a high frictional coefficient. The rubber 9 may be vulcanized to a metal sleeve 12 adapted to be forced or clamped on to the pin 7. The frictional material may be let into the rubber.
Patent GB-356753-A (GB)
Title: Improvements in or relating to snap action electric switches
IPC: H01H23/02
Filed: 1930-06-06
Abstract: 356,753. Tumbler switches. IGRANIC ELECTRIC CO., Ltd., 147, Queen Victoria Street, London.-(Cutler-Hammer Manufacturing Co. ; Milwaukee, Wisconsin, U.S.A.) June 6, 1930, No. 17621. [Class 38 (v).] A tumbler switch of the toggle type has a moving contact element carried by a U-shaped yoke pivoted about a transverse axis by virtue of integral lateral projections engaging openings in a fixed casing. One form of switch is shown in Figs. 1 and 3. The insulating base has a central recess 32 and two long recesses 20, 21. Fixed contact springs 38 are inserted in the recesses 20, 21 so as to be strained between abutments 24, 25, 36 leaving two spring tongues 40 projecting into the central recess. Current leads 47 are inserted through holes in the bent round ends of the contact springs and are soldered in the usual way. A cover-plate 56 is clamped on to the base and carries in a central aperture a bushing 64 which carries the operating lever 65. An insulating plate 54 is inserted between the base and the cover. The movable contactmember comprises a U-shaped stirrup having the limits turned outwards at the ends to engage holes in the bushing 64 so as to pivot about an axis which is below and parallel to the pivot pin 66 of the dolly. A rivet 76 through the bottom part 74 of the contact-member carries a circular contact disc 84 mounted so as to rotate freely between two insulating discs. The head of the rivet 76 serves as an abutment for the lower end of a dead-centre compression spring, the upper end of which carries a dished plate on which bears the lower end of the dolly. The contact disc in the position shown in Fig. 1 is adapted to bridge the springs 40. In the off position the disc bears against the end surface 34 of the recess 32. Nuts 86, 87 are provided on the bushing 64 for securing the switch to a panel. Fig. 6 shows a modification in which the dolly 103 is carried by a spindle 98 mounted in a bushing 94 and operated by a knob 100. In another modification a disc is inserted in the bushing underneath the dolly and having a slot through which the lower part of the dolly passes, thus limiting its movement and acting as a guide. Modifications are described comprising two-way switches and embodying fixed contact springs of different shapes. Reference has been directed by the Comptroller to Specification 336,098, [Class 38 (v), Electric switches &c.].
Patent GB-760636-A (GB)
Title: Vinyl resin compositions stabilized with basic cadmium compounds
IPC: C08K5/098
Filed: 1954-06-16
Abstract: Vinyl halide polymers are stabilized against heat and light by incorporating a minor amount of a basic cadmium salt of an aliphatic monocarboxylic acid having 6 to 14 carbon atoms in the molecule, e.g. monobasic cadmium caprylate or undecylenate.  The polymer may be polyvinyl chloride or a copolymer of vinyl chloride with vinyl acetate, vinylidene halide, or methyl or ethyl methacrylate.  The polymer may be plasticised, e.g. with dioctyl phthalate.
Patent GB-1496622-A (GB)
Title: Carbamates of n-(polychloroallyl)-aminophenols and their uses as herbicides
IPC: C07C239/00
Filed: 1976-04-30
Abstract: 1496622 Carbamate of N-(polychloroallyl)- aminophenols MONTEDISON SpA 30 April 1976 [2 May 1975] 17760/76 Heading C2C The invention relates to the compounds of formula wherein X represents H or Cl atom or -SR<SP>111</SP>; R<SP>1</SP> and R<SP>11</SP> which may be the same or different from one another, each represents H or C 1 -C 3  alkyl group, and R<SP>111</SP> represents a C 1 -C 3  alkyl group, a phenyl group or a substituted phenyl group. These compounds may be obtained by reacting a compound of formula in which R<SP>1</SP> and R<SP>11</SP> are as defined above, with a polychloroallylhalide of formula in which Hal represents a halogen atom and X is as defined above. The invention also relates to a method of fighting infestation due to Deptera, Coleoptera, Lepidoptera, Aphides, Acari, Nematoda comprising spraying on to the insect habitat or on to the insect itself or on to its food, a compound according to the invention as such or mixed with an inert carrier.