baber/WOPTO huggingface dataset:
Patent GB-576304-A (GB)
Title: Improved insulating and dielectric compositions
IPC: H01B3/20
Filed: 1943-02-16
Abstract: 576,304. Electric insulating compositions. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 16, 1943, No. 2542. Convention date, Feb. 25, 1942. Drawings to Specification. [Class 140] An electric insulating composition comprises chlorinated diphenyl benzene and hydrogenated castor oil. The power factor of the ;nixture is lower than the power factor of either ingredient individually. The chlorine content of the chlorinated diphenyl benzene may be from 14 to 60 per cent. and the composition may contain from 97 to 40 parts of chlorinated diphenyl benzene and from 3 to 60 parts of hydrogenated castor oil. The composition may also include tetrachlorobenzene (e.g., 1:2:4:5-tetrachlorobenzene), chlorinated naphthalene (e.g., tetracl.loronaphthalene), and highly chlorinated diphenyl, diphenyl ether, and diphenylene oxide. Specifications 363,191 and 394,828, [Group XXXV], are referred to.
Patent GB-1259985-A (GB)
Title: Frequency converting system
IPC: H03B21/02
Filed: 1969-01-16
Abstract: 1,259,985. Frequency changing, automatic frequency control. IWATSU ELECTRIC CO. Ltd. 16 Jan., 1969 [22 Jan., 1968 (2)], No. 2582/69. Headings H3A and H3F. An output signal having a waveform similar to that of an input signal of frequency f, but with a reduced frequency is produced by deriving from the input signal a pulse train of frequency f/n(M + 1/M) and sampling the input signal with this pulse train to produce an output signal of frequency f/M. As described, the sampling signal is produced by dividing the input frequency by a factor n to produce a signal at a frequency f/n, dividing this latter signal by a factor M to produce a further signal at a frequency f/Mn and feeding both these signals to a circuit to produce the pulse train of frequency f/n(M+ 1/M). The circuit may be employed as the divider in a frequency multiplier of the type in which the output frequency MF, from a locked oscillator is divided by M and the resulting signal is compared in frequency with the output from a standard oscillator of frequency F s  to produce an error signal which locks the oscillator to the frequency MF s .
Patent GB-1510551-A (GB)
Title: Furnace closure members
IPC: F27D1/18
Filed: 1976-01-20
Abstract: 1510551 Sliding seals BRITISH STEEL CORP 20 Jan 1976 [21 Jan 1975] 2623/75 Heading F2B [Also in Division F4] A furnace closure member, e.g. a soaking pit lid, operable to bear against a furnace wall 13 comprises an elongate rectangular section thermally insulating fibre assembly 6 secured to a side plate 2 of the member along a periphery thereof but demountable therefrom and adjustable so that each of the four flat faces of the assembly can in turn be brought to bear against the wall. The assembly may comprise a plurality of fibre pads clamped together along a central rod 7. The rods may be secured to the plate 2 by links 9, or it may be supported from above by the roof structure via tubes or end plates.
Patent GB-1298906-A (GB)
Title: Insecticide vapor generator
IPC: A01M1/20
Filed: 1971-01-19
Abstract: 1298906 Insecticidal vapour generator THURON INDUSTRIES Inc 19 Jan 1971 [21 Jan 1970 4 Jan 1971] 2671/71 Heading A5G A device to attach to animals and which generates an insecticidal vapour comprises a casing having two vapour-permeable (e.g. perforated) parts 81 and 85 which fit together and enclose a solid block containing a volatile insecticide, e.g. aldrin, heptachlor, lindane, parathion, malathion, DDVP or diethyl 2- chloro-vinyl phosphate, the whole having means, e.g. the eyelet 84, whereby it may be attached to the animal as by a cord. In a second embodiment described, the two parts of the casing are hinged together.
Patent GB-261949-A (GB)
Title: A new or improved protector for sketch books and the like
IPC: B42D3/18
Filed: 1926-01-30
Abstract: 261,949. Canavan, T. J., and Reynolds, E. L. Jan. 30, 1926. Projectors; block and sheet holders.-A protective container for a sketch book or the like for use in inclement weather comprises a base 6, Fig. 5, with rigid sides and ends 7, 8 to retain the book in position, and collapsable sides and back 11, 12 supporting a top frame 9 containing a sheet 10 of celluloid or the like, the front end being open to allow the hand to be inserted to write or draw upon the book. Collapsable struts may be provided to hold the transparent top in the raised position. The sides 11 and end 12 when collapsed fold inwardly upon the book, and an elastic or like band 13, Fig. 1, is provided to retain them in the closed position. The front end 8 of the container may be hinged to turn downwardly to enable the book to be inserted and secured in the closed position by fasteners 14. A covering flap may be provided to button over the front end of the casing when closed, and a handle may be provided at the rear end for carrying.
Patent GB-342129-A (GB)
Title: Improvements in or relating to boxes or other containers having folding lids
IPC: B65D43/16
Filed: 1930-01-27
Abstract: 342,129. Boxes with hinged lids. SITTARZ, A., 92, Paulsbornerstrasse, Halensee, Berlin. Jan. 27, 1930, No. 2731. [Class 18.] A rectangular box 1 has a hinged, dished lid 2 furnished with an outwardly turned edge 3. The rear edge of the box lies in the channel formed by turning the edge of the lid over as at 3 and a strip, of fabric 4 is glued over the edge of the lid along the back to complete the hinge connection..The front edge 5 of the lid 2 is sloped outwardly so that on closing the lid, the front edge 6 of the box is pushed outwards in the direction of the arrow P and the two side edges 7 are accordingly moved towards each other to make a tight joint against the side edges 8 of the lid. The lid may decrease in depth from front to back as shown by the dotted line L in Fig. 1. In a modification, a pressed-out rib extends around the periphery of the box for reinforcement, the part of the front edge above this rib being sloped slightly inwards to help the wedge action of the front edge of the lid.
Patent GB-560559-A (GB)
Title: Improvements relating to windshield cleaners
IPC: B60S1/34
Filed: 1943-02-18
Abstract: 560,559. Securing windshield wiper arms on shaft. TRICO PRODUCTS CORPORATION. Feb. 18, 1943, No. 2732. Convention date, Feb. 26, 1942. [Class 80 (ii)] A socket 1, to which is pivoted at 4 a windshield wiper arm 3, has a splined connection with the operating shaft 8 or a head 9 thereon, and is held against removal by a pivoted lever 13 having a nose 16 frictionally engaging the tops of the ribs on the head 9. The lever 13 is pivoted at 14 to a channel-shaped extension 2 of the socket 1 and has secured to it one end of the spring 6 which thus acts to press the wiper 5 on to the windshield and to urge the nose 16 into engagement with the head 9. Excessive digging-in of the nose is prevented by abutments 18, 19, on the parts 31, 2, respectively. If attempt is made to remove the socket 1 by pulling on the arm 3 the frictional force between the nose 16 and the head 1 is increased. One of the parts 1, 9, may have twice as many ribs 10, 12, as the other as shown in Fig. 5. Specification 546,431 is referred to.
Patent GB-759532-A (GB)
Title: Method of and apparatus for controlling uniformity of cigarettes
IPC: A24C5/34
Filed: 1954-02-01
Abstract: 759,532. Controlling cigarette manufacture by radiation beams. AMERICAN MACHINE & FOUNDRY CO. Feb. 1, 1954 [April 13, 1953], No. 2900/54. Class 40 (3). [Also in Group XXXV] In apparatus for measuring the density of a continuously moving stream of tobacco by means of a beam of penetrative radiation the fact that the value of density obtained is to some extent dependent on the direction in which the radiation passes through the stream is compensated by having a number of such radiation density gauges each examining the stream at a different angle and their outputs being combined and averaged. The invention is described with reference to determining the density of a cigarette rod in a conventional cigarette making machine (Fig. 1). The feed F showers tobacco continuously on to a travelling tape and paper web W. The web W is guided through a rod folder tongue U, rod paster P which applies a strip of paste to the lap edge of the cigarette, the rod former V, and sealer S. When the cigarette rod emerges from the rod former V it passes a device C in which is a knife 16 the operation of which is synchronized with the movement of the cigarette rod to cut off completed cigarettes. As described in U.S.A. Specification 1,075,274, the cigarettes are then delivered through a guide channel 22 on to a continuously-driven collector belt 24. The position of the guide channel is adjustable. Between the cutter C and the roller S are situated the radiation density gauges and these operate rotating arms 32 to control through mechanism, which may be as described in Specification 559,548, the lowering of rotating arms 32 to throw out defective cigarettes of a variable feed drive for the tobacco feed which may be as described in Specifications 707,238 and 707,239, [both in Group XXXV]. Gauge details.-One arrangement of gauge is shown in Fig. 2 in which two Beta-ray sources 100, 102, which may be Strontium 90, are so mounted that their rays pass through the rod- R to detectors 104, 106 in directions perpendicular to each other. Each source and its associated detector is spaced from the other in the direction of travel of the rod although in the arrangement of Fig. 3 (not shown), the two beams may pass at right angles through the same section of the rod. Specifications 299,162, [Class 130], 558,491, [Group XXXV], 741,932, and U.S.A. Specification 1,864,728 also are referred to.
Patent GB-1488161-A (GB)
Title: Variable reluctance electric motor
IPC: H02K19/10
Filed: 1974-01-22
Abstract: 1488161 Electric motors CAV Ltd 15 Jan 1975 [22 Jan 1974] 02929/74 Heading H2A In a variable reluctance electric motor having at least three pairs of diametrically opposed stator poles 12 sequentially energized at least in pairs to cause rotation of a rotor 13 having two poles 14, each rotor pole has an extension 15, 16 on each of its circumferentially opposite sides, each extension having a smaller cross-section than the rotor pole face and each extending beyond the circumferential edge of a stator pole when the rotor pole is aligned with that stator pole. As shown in Fig. 1, the extensions 15, 16 extend to the edges of the next adjacent stator poles. The motor is thus reversible. The rotor may comprise a stack of laminations 17, Fig. 2, alternate laminations being offset in opposite directions so as to form a solid centre piece including the poles 14, and lateral extensions 15, 16 each including only half the number of laminations in the centre piece. Alternatively, the rotor may comprise three abutting laminated sections, Fig. 3 (not shown), the sections being angularly staggered but overlapping to form the rotor poles. In a modification, Fig. 4 (not shown) avoiding abrupt changes in the rotor pole face outline, the rotor laminations are progressively staggered.
Patent GB-308027-A (GB)
Title: Improvements in or relating to motor road and other vehicles
IPC: B60G99/00
Filed: 1928-01-30
Abstract: 308,027. Windover, W. L. S., and Rapson, F. L. Jan. 30, 1928. Springs, mounting bodies and undercarriages on. - Bodies are connected to the chassis frame by a number of flexible couplings comprising spaced brackets to which is secured a bolt adapted to pass through oppositely arranged holes in the chassis frame and rubber buffers the latter being arranged between the brackets and the chassis frame. As shown brackets b, care mounted, preferably adjustably, on the body a and interposed between them and the chassis members d are rubber &c. buffers h of the shape shown and preferably provided with air apertures. The buffers are provided with extension shoulders i adapted to project through enlarged apertures c in the member d. A single bolt j passes through the brackets b, c, buffers h and chassis member d. In a modification an additional buffer n is mounted as shown in Fig. 4 between a shoulder m on the bolt j and the chassis member d.
Patent GB-538659-A (GB)
Title: Improvements in or relating to liquid pressure operated soot blowers of boilers and the like
IPC: F28G15/00
Filed: 1940-02-16
Abstract: 538,659. Soot-blowers. AUTOMOTIVE PRODUCTS CO., Ltd., and EVES, F. S. Feb. 16, 1940, No. 2942. [Class 99 (ii)] A retractable nozzle for the soot-blower of a furnace is driven through toothed gearing which is actuated from a piston-driven rack in such a way that seizure or failure of the blower disengages the gearing from the rack mechanism and cuts off the supply of liquid under pressure to a piston apparatus which reciprocates the rack. In the construction shown in Fig. 1, the nozzle is advanced and retracted by a screw 11 on which is a wheel 20 gearing with a second wheel 24. A toothed rack 36 actuates a member 38 which drives the wheel 24 through a pin 56 so constructed as to shear when overloaded. Mounted on the ends of the rack are pistons 34, 35 to the cylinders of which liquid under pressure is distributed through pipe lines 57, 58. Normally a valve 64 is held off its seat by a pin 68, in the event of fracture of the driving-pin 56 a pin 49 acts upon a spindle 47 which trips a lever 74 and allows the valve 64 to close, thus cutting-off the supply of fluid to the cylinders 32, 33 of the rack mechanism. The wheel 24 may be turned by a handle applied to the spindle 28. Specification 538,880 is referred to.
Patent GB-451117-A (GB)
Title: Improvements in or relating to electrical time base arrangements for use in oscillographic observations and the like
IPC: H03K6/02
Filed: 1935-01-29
Abstract: 451,117. Valve generating circuits. COSSOR, Ltd., A. C., and BEDFORD, L. H., Highbury Grove, London. Jan. 29, 1935, No. 2956. [Class 40 (v)] In a condenser-relaxation oscillator for use in television scanning and in oscillographs, a compensating-voltage opposite in phase to its anode voltage is applied to a grid of the condenser-charging valve, with the object of linearizing the charging-curve of the condenser. The compensating-voltage is provided by an auxiliary valve. As shown, the condenser C1 is charged through a saturated valve V1 and discharges through a valve V2. A fraction of the voltage variations across the valve V1 is applied by a condenserpotentiometer C2, C3, to the grid of an auxiliary valve V3 the anode of which is fed through a resistance R3. Voltages of equal magnitude and opposite phase are fed from the anodes of valves V2, V3 through condensers to the deflecting-plates PX1, PX2 of the cathoderay tube O. A fraction of the anode voltage of the valve V3 is fed back by a potentiometer R7 and a condenser to the grid of the valve V1, so that in spite of ohmic leaks across the valve V1 or incomplete saturation the charging-curve for the condenser C1 is maintained linear. In a modification, the anode current of the valve V3 traverses a variable resistance in the cathode lead of the valve V1, the grid of which is connected directly or through a condenser to the negative supply N. Another grid in the valve V1 may be used for velocity modulation or other purposes, and a pentagrid valve may be employed. Specification 448,111 is referred to.
Patent GB-469615-A (GB)
Title: Improvements in or relating to power plants for aircraft
IPC: B64D27/08
Filed: 1936-01-31
Abstract: 469,615. Cooling cylinders ; crank cases. FAIREY AVIATION CO., Ltd., and FORSYTH, A. G. Jan. 31, 1936, No. 3004. [Class 7 (ii)] [Also in Groups XXXIII and XIII] A power plant for aircraft includes an enginecooling system, an oil-cooling system, a supercharging system, and means for preheating the air supply to the engine some of which parts are formed integrally with, and others being attached to, the engine crank-case which alone is adapted for attachment to the aircraft. As shown, a header tank n for the engine cooling system is connected by a pipe o to a radiator r disposed in a tunnel or recess of the engine cowling. The radiator r is connected to a pump u which delivers water to a water-jacket w from whence it passes by pipes x to the tank n. Air passing through an oil cooler 11 is led to the carburetter air-intake 13. Only a part of the air flowing through the radiator r may pass through the cooler 11. An oil suction pump 15 draws oil from the cooler in known manner. Superchargers b are provided.
Patent GB-1123821-A (GB)
Title: Improvements in or relating to fission product trapping systems
Inventor: TAYLOR ROLAND
IPC: G21C19/303
Filed: 1965-01-22
Abstract: Coal based activated charcoal is impregnated with a water soluble secondary or tertiary amine e.g. morpholine; piperidine; piperazine; triethylenediamine; dicyclohexylamine; 5 - amino acridine; 2 amino pyridine; 4 amino pyridine; acridine; pyridine; isoquinoline; quinoline; pyrrole; 2,21 dipyridyl; iminazole; tri - n - butylamine; hexamethylene tetramine; succinimide; guanidine carbonate; diethanolamine; N- methyl N- phenyl benzylamine; N-(2 amino ethyl)- ethanolamine; N,N di-methyl benzylamine; 3-diethyl aminopropane-1-ol; 2-diethylamino-ethanol; N,N diphenyl benzylamine.  The preferred method of impregnation is to soak the charcoal in an aqueous solution of the amine and then allow the water to evaporate. Gentle heating to 100-120 DEG  C. is allowable.ALSO:A fission product trapping system for removal of iodine and alkyl iodides from a gaseous mixture includes activated charcoal impregnated with a water soluble secondary or tertiary amine e.g. morpholine; piperidine; piperazine; triethylenediamine; dicyclohexylamine; 5-amino acridine; 2 amino-pyridine; 4-amino pyridine; acridine; pyridine; isoquinoline; quinoline; pyrrole; 2, 2\sv dipyridyl; iminazole; tri-n-butylamine; hexamethylene tetramine; succinimide; guanidine carbonate; diethanolamine; N-methyl N-phenyl benzylamine; N-(2 amino ethyl)-ethanolamine; N, N dimethyl benzylamine; 3-diethyl aminopropane-1-ol; 2-diethylamino-ethanol; N, N diphenyl benzylamine.
Patent GB-196708-A (GB)
Title: Process for the rapid production of bleaching liquor from chlorine gas
IPC: C01B11/06
Filed: 1922-02-02
Abstract: Chlorine is rapidly absorbed in alkaline solutions for the production of a bleaching-liquor, by introducing chlorine into the pump used to convey the liquor to the bleaching tank. Chlorine may be supplied from cylinders, and the alkali used may be lime or caustic soda.
Patent GB-556044-A (GB)
Title: A process for the manufacture of ketotetrahydropyridine derivatives and hydroxypyridine derivatives
IPC: C07D211/90
Filed: 1942-03-09
Abstract: 556,044. Pyridine ketocarboxylic acids and esters. ROCHE PRODUCTS, Ltd., BERGEL, F., and COHEN, A. March 9, 1942, No. 3088. [Class 2 (iii)] Pyridine keto-carboxylic esters are prepared by treating compounds of the general formula first with alkali metals or their alcoholates and then with acids. In the formula R is alkyl or aryl or substituted alkyl group which does not react with an alkali metal or alcoholate or with an acid under the conditions of the reaction, R<SP>1</SP> is alkyl or aralkyl, R<SP>11</SP> is hydrogen or alkyl and X, Y, and Z which are not necessarily identical are lower alkyl groups. The reaction is preferably carried out in an inert solvent in an inert atmosphere. The products may be converted by treatment with an acid such as hydrochloric acid into a salt which, on dehydrogenation by exposure to an oxygencontaining gas such as air, or to oxygen, forms a quaternary pyridinium salt. In the case of the pyridinium salt where R' is benzyl, treatment with hydrogen in the presence of a hydrogenation catalyst such as palladized charcoal results in the formation of a 3-hydroxy pyridine derivative. Treatment of the pyridinium salts with one equivalent of cold alkali results in the formation of the corresponding phenol betaine. The compounds of the present invention are useful in the synthesis of vitamin B 6 . In examples: (1) The condensation product of N-methyl alanine and α-formyl succinate prepared as described in Specification 551,216 is treated in benzene solution and in an atmosphere of nitrogen with powdered sodium. The product on treatment with sulphuric acid is 1 : 2 - dimethyl - 3 - hydroxy - 4:5 - dicarbethoxy - dihydropyridine. The hydrochloride of this compound on dehydrogenation gives 1:2- dimethyl - 3 - hydroxy - 4:5 -dicarbethoxypyridinium chloride. Treatment with caustic soda yields the phenolic betaine which may be saponified to 1:2-dimethyl-3-hydroxy-4:5-dicar boxy pyridinium hydroxide. (2) The condensation product of methyl α-benzylaminopropionate and α-formyl succinate is treated with' powdered sodium and then with acid as in example (1) to give 1-benzyl-2-methvl-3- hydroxy-4:5-dicarbmethoxypyridinium chloride. This yields a phenolic betaine as in example (1), and also on reduction with hydrogen and palladised charcoal, gives 2-methyl-3-hydroxy- 4:5 - dicarbomethoxypyridine hydrochloride. (3) This is identical with example (2) but using in the condensation sodium methoxide instead of powdered sodium.
Patent GB-1533634-A (GB)
Title: Dentifrices
IPC: A61Q11/00
Filed: 1976-01-27
Abstract: 1533634 Dentifrices containing zinc compounds COLGATE-PALMOLIVE CO 27 Jan 1976 [28 Jan 1975 17 March 1975] 03149/76 Heading A5B A dentifrice composition comprises at least 1 hard abrasive having a mean particle diameter of 1-15 microns and a non-toxic zinc compound in an amount to provide at least 0.0065% by wt. zinc in the dentifrice, the hard abrasive being selected from calcined alumina, zirconium silicate, crystalline silica, feldspar of formula KAlSi 3 O 8 , grit, pumice, zlonenite, ceric oxide, haematite, zirconia, stannic oxide, topaz and mixtures thereof, the abrasive being present in an amount which would in the absence of the zinc compound provide a radioactive enamel abrasive value to the dentifrice of above 400, and when the abrasive is zirconium silicate or crystalline silica the zinc compound being selected from zinc chloride, sulphate, oxide or mixtures thereof.
Patent GB-901020-A (GB)
Title: Improvements in or relating to exposure meters
IPC: G01J1/42
Filed: 1959-01-29
Abstract: 901,020. Photographic cameras. HEIDECKE, R., and FRANKE, H., [trading as FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAZISIONS-APPARATE]. Jan. 29, 1959 [March 7, 1958], No. 3163/59. Class 98 (1). [Also in Group XXV] A photo-electric exposure meter is so hinged to a lens hood that it can be swung into the interior of the hood. Preferably, the meter 12 is held in the operative position, pointing in the same direction as the lens hood 7, by the engagement of projection 17 with hair-pin spring catch 18 and is resiliently urged into the interior of the hood on releasing the catch, by spring 19. The hood is attachable to a camera by a bayonet ring 8. The meter 12 may be retained in the interior of the hood 7 by means of a catch. The indicator scale of the exposure meter may be read from above.
Patent GB-487074-A (GB)
Title: Improvements in handle grips for spades and other implements
IPC: B25G3/02
Filed: 1937-02-04
Abstract: 487,074. Handle grips for spades. BRIGHTEN, F. Feb. 4, 1937, No. 3324. [Class 61 (i)] A handle grip for spades &c. is formed from a sheet 1 of rubber moulded with ribs 4 and curved longitudinal edges 3 so as to lap evenly round the bulged spade &c. handle.