baber/WOPTO huggingface dataset:
Patent GB-1380132-A (GB)
Title: Continuous television film projection system
IPC: H04N3/38
Filed: 1972-02-24
Abstract: 1380132 Television RCA CORPORATION 24 Feb 1972 [2 March 1971] 8502/72 Heading H4F A continuous television film projection system has a motion compensating apparatus enabling momentary images of each film frame to be imaged repeatedly in the same place on a storage type photo-sensitive electrode of a camera tube during respective vertical blanking intervals. Film 11, Fig. 3, moves continuously through a gate 15 having a height equal to 1 2/3 film frames. When a film frame 12, Fig. 1, is wholly within the gate light from source 35 passing through a sprocket hole 13, Fig. 1, is reflected by rotating semi-reflector 28, fixed reflectors 33, 33a, rotating semi-reflector 29 and fixed reflector 37 to pass through slit 38 to a photo-detector 39. The photo-detector triggers a xenon flash lamp 23 to illuminate the whole frame 12 and the transmitted light is reflected by reflectors 28, 33, 33a and 29 from which it is directed on to vidicon screen 25. Reflectors 33, 33a are so positioned that light from the sprocket hole and from the image frame, when the film is in the position shown in Fig. 3, falls centrally upon screen 25. Shutters 53, 55 prevent light transmitted through semi-reflector 28 from reaching the tube. When the film has reached the exact centre of the gate semireflectors 28, 29, which are geared together to rotate in opposite directions synchronously with the film movement, lie normal to the light path between the film and the vidicon screen. Light passing through the sprocket hole passes straight through elements 28, 29 to reflector 37 and triggers the strobe lamp 23. The frame image is then formed on the centre of the screen after passage of the light through the semireflectors. Element 31 compensates for the difference in path length. Finally, when the film has advanced a further 1/3 frame and is about to leave the gate the semi-reflectors have reached a position in which light is reflected on to further fixed reflectors (Fig. 5, not shown), corresponding to 33, 33a but lying vertically below the rotating semi-reflectors. An image of the frame is formed on the vidicon screen in a manner similar to that shown in Fig. 3. Slit 38 is sufficiently narrow to prevent sprocket-hole light reaching photo-detector 39 except when the film is in the desired positions. For a television field rate of sixty per second the film is advanced at twenty frames per second and the semi-reflectors are rotated at 1200 r.p.m. The film may be in colour or black and white, positive or negative. It may be of the type in which component colour information is spatially encoded on black and white film in the form of a fine structure of colour representative strips arranged at various angles.
Patent GB-561044-A (GB)
Title: Improvements in and relating to the production of resinous condensation products
IPC: C08G12/34
Filed: 1942-06-22
Abstract: Resinous condensation products are made by heating together an aldehyde and 4,6-diamino-s-triazinyl-2-carbamyl-methyl sulphide or 4,6-diamino - s - triazinyl - 2 - phenyl - carbamyl - methyl sulphide.  The reaction may be carried out in the presence of ketones, ureas, such as those described in Specification 554,195, amides, aminotriazines such as those described in Specification 1458/42 as open to inspection under Sect. 91, aminodiazines, aminodiazoles, phenols, alcohols and amines.  Aldehydes specified are formaldehyde, furfuraldehyde, hexamethylene tetramine, acetaldehyde, propionaldehyde, butyraldehyde, acrolein, nitroacrolein, nitroaldehyde, benzaldehyde and furfural. Aldehyde-addition products may also be used, e.g. the methylol derivatives described in Specification 1458/42.  Dyes, pigments, plasticizers, mould lubricants, e.g. zinc stearate, fillers, e.g. a -cellulose flock, wood flour, glass fibres, asbestos, mineral wool, mica and cloth cuttings may be added to form moulding compositions.  The following may also be included:-hydrolyzed wood products, watersoluble cellulose derivatives, shellac rosin, polyvinyl esters, ethers and acetals, protein-, aminodiazole-, aminotriazole-, urea-, aminodiazine-, aminotriazine-, aniline- and phenolaldehyde resin, furfural condensation products, alkyd resins.  Heat-hardening of the products may be accelerated by the use of the catalysts described in Specifications 9244/41 and 10917/41, both as open to inspection under Sect. 91.  The products may be used in making coating compositions, abrasive articles, laminated articles and for impregnating textiles. Examples describe heating together (2) 4,6-diamino - 5 - triazinyl - 2 - carbamyl methyl sulphide or the phenyl derivative, urea and formaldehyde, (4) the sulphide and dimethylol urea, (5) the sulphide, butyl alcohol and formaldehyde.  4,6 - diamino - s - triazinyl - 2 - carbamyl methyl sulphide may be prepared by vigorously stirring a solution in aqueous alcohol of 4,6-diamino - 2 - mercapto - s - triazine, monochloracetamide and sodium hydroxide, followed by heating in a boiling water bath. The precipitate is filtered, washed with water and dried.  4,6 - diamino - s - triazinyl - 2 - phenyl carbamyl methyl sulphide is similarly prepared from a chloracetanilide.
Patent GB-1269311-A (GB)
Title: Process and apparatus for the production of alpha-olefins
Inventor: RUMPF PAUL
IPC: C10G51/02
Filed: 1970-02-23
Abstract: 1,269,311. Long-chain α-olefins. AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE. 23 Feb., 1970 [26 Feb., 1969], No. 8549/70. Heading C5E. Long-chain α-olefins are produced by pyrolysis of a hydrocarbon feed comprising heavy waves and paraffins by (1) liquefying the feed and mixing it with a carrier gas, e.g. nitrogen or methane, (2) preheating the mixture to 400- 500‹ C. to produce a mixture of at least partially liquid feed dispersed in the carrier gas stream, (3) passing the preheated mixture through a short first zone heated to between 600‹ and 800‹ C., and then (4) through an elongated second zone at a temperature between 400‹ and 500‹ C. Fig. 1 shows a stainless steel furnace 1 heated by electric resistance 2, and containing a quartz sheath 4 and a metal sheath 7, the remainder of the furnace being filled with an inert heat conductive contact mass 6, e.g. pieces of carborundum. The end of sheath 4 is heated by an electric resistance 5. The feed mixture enters at inlet 9, and is preheated in zone A. Zones B and C represent steps (3) and (4) of the process, the products being collected at 10. Fig. 2 shows an alternative furnace in. which heated sheaths extend obliquely. The products of the examples comprising varying amounts of C 5-20  α-olefins and traces of higher ones.
Patent GB-451219-A (GB)
Title: Improvements in furnace firebars for solid fuel
IPC: F23H17/12
Filed: 1936-03-23
Abstract: 451,219. Firebars and grates. SIEGEN, A., 13, Boulevard du Prince, Luxembourg. March 23, 1936, No. 8580. Convention date, March 27, 1935. [Class 51 (i)]' A furnace firebar comprises two parts 1, 2 arranged at right or other angle to one another and formed integrally, as shown in Fig. 2, or separately, as shown in Fig. 3, and jointed together, transverse apertures 3 and longitudinal slots 4, Fig. 1, being provided in each part. The bars are provided on the underside with ribs 5 which serve to direct air into the apertures 3 and slots 4. The bars are arranged side by side in the furnace and retained in position by a bolt passing through slots 6 in the ribs 5.
Patent GB-317392-A (GB)
Title: Improvements in or relating to installations for the dry cooling of hot coke
IPC: C10B39/02
Filed: 1929-03-16
Abstract: 317,392. Sulzer FrÞres Soc. Anon,. Aug. 15, 1928, [Convention date]. Addition to 312,033. Charges, cooling. - In apparatus according to the parent Specification each cooling chamber e is provided, in addition to the conduits f, with a blower. h and pipe connections i, k, for the circulation of cooling gas. Two or more chambers e, separated by conduits f, may be combined in a single block.
Patent GB-665757-A (GB)
Title: Improvements relating to recorders
IPC: G10D7/02
Filed: 1949-03-30
Abstract: 665,757. Wind musical instruments. DOLMETSCH, Ltd., A., and DOLMETSCH, C. F. March 29, 1950. [March 30, 1949] No. 8625/49. Drawings to Specification. Class 88 (ii). Detailed dimensions are given for a descant recorder which may be made of plastic material in three main parts, joined by spigot and socket joints, in the same way as the treble recorder described in Specification 628,268. Narrow grooves parallel to the axis of the instrument are cut in the upper and lower surfaces of the constricted air passage in the mouthpiece, five in the upper surface and four in the lower.
Patent GB-246695-A (GB)
Title: Improvements in or in connection with dynamo electric machinery
IPC: H02K9/16
Filed: 1925-04-01
Abstract: 246,695. Parkinson, A., and Parkinson, Ltd., F. & A. April I, 1925. Dynamos and motors, cooling.-Relates to enclosed dynamo-electric machines in which the air within the machine circulates in contact with surfaces cooled by an external current of air. The stator core 12 and annular casings 14, 15 mounted on each side thereof constitute with the machine casing 10 an annular duct extending from one end of the machine to the other. End-plates 18, 19 carried by the shaft bearings make joint with the annular casings 14, 15 so as to shut off the rotor completely. A fan 31 mounted between one of the end-plates 18 and an external cover 22, propels a current of air through the annular duct. The air set in motion by the rotor circulates as shown by the arrows, and is guided by annular members 33 secured to fins 32 on the end-plates, and by plates 35 secured to the rotor spider. External heat-radiating fins may be provided on the end-plates in addition to the internal fins 32.
Patent GB-269161-A (GB)
Title: Improvements in or relating to electric discharge devices
IPC: H01J65/04
Filed: 1927-03-30
Abstract: 269,161. British Thomson-Houston Co., Ltd., (Assignees of Foulke, T. E.). April 9, 1926, [Convention date]. Vacuum tubes; low-pressure metallic-vapour apparatus.-A lamp, operated by a high-frequency electromagnetic field, contains a main radiationemitting gas or vapour, and an auxiliary gas or vapour, the mean free path of the atoms or molecules of which, under starting conditions, is shorter than that of the main gas or vapour. One or more of the gases &c. may be permanent within the normal range of temperature, and the atoms or molecules of one gas &c. may have higher energy levels than those of the other gas &c. As shown, a spherical bulb 1 of glass or silica is surrounded by a winding 4 connected through a condenser 12 and inductances 14 with the secondary 5 of a transformer, a sparkgap 10 being connected in parallel or series with the winding 4; or a discharge tube or highfrequency dynamo may be used for supplying energy. The filling may be a mixture of mercuryvapour and argon, the mercury varying from a trace to a few grammes, and the pressure of argon from 0.001 mm. to 10 mm., the diameter of the bulb varying from one-half to 18 inches. A rare gas such as neon, helium, or krypton may be used instead of argon, and uranium chloride instead of mercury. A rare gas may be mixed with zinc, cadmium, sodium or potassium, with or without mercury. A mixture of caesium, ercury and rare gas may be used; a lamp containing a mixture of caesium and mercury must be started by auxiliary means such as a heater. The colour of the light produced may be altered by varying the power supplied. The lengths of the mean free paths of the gases &c. should be less than the circumference of the bulb. Specification 13736/04 is referred to.
Patent GB-254389-A (GB)
Title: Improvements in or relating to the desulphuration of zinc ores
IPC: C22B1/02
Filed: 1925-04-01
Abstract: 254,389. Jackson, W. J. Mellersh-, (Soc. Anon des Mines et Fonderies de Zinc de la Vieille-Montagne). April 1, 1925. Roasting.-In order to obtain complete elimination of sulphur from zinc ores such as zincblende or sulphide of zinc, and to obtain the product in the form of a porous grain favourable for the reduction process, the ore, in a fine state of division, is first roasted as completely as possible in a muffle or other roasting furnace. It is then thoroughly mixed with a small proportion of pulverized carbon, such as coke dust or slack coal. The proportion of carbon may vary according to the sulphur content of the roasted product, but is usually about 3 to 4 per cent. The mixture, which may be moistened with water, is charged into any suitable blast apparatus and heated by a source of heat such as a gas or oil burner to start combustion, a current of air or of oxidizing gas being blown or drawn through the charge. The remaining sulphides are converted into oxides, and the sulphates are decomposed by the carbon. The resulting product is in the form of a porous agglomerate containing only traces of sulphur. The sulphur dioxide produced in the process is recovered. Specifications 1535/11 and 119,223 are referred to.
Patent GB-379763-A (GB)
Title: Improvements in or relating to the cementation of iron and steel and their alloys
IPC: C23C8/40
Filed: 1931-06-05
Abstract: In a process for maintaining the activity of cyanide cementation baths, the alkalies or alkaline-reacting substances, which are formed by the decomposition of the cyanides and which hinder the process of cementation, are rendered innocuous by the retarding or repressing the dissociation of the said substance by the periodic or gradual addition, during the process, to the baths of salts, other than cyanides, of the cation or cations already in the bath.  The salts may be added in conjunction with fresh supplies of cementing substances as in the manner described in Specification 379,752.
Patent GB-683192-A (GB)
Title: Calcium lactate suppositories
IPC: A61K9/02
Filed: 1951-04-16
Abstract: Suppositories containing calcium lactate are prepared by incorporating calcium lactate or calcium sodium lactate of particle size 0.01 to 0.001 m.m. in a suppository base such as cocoa butter. The finely divided calcium lactate is obtained by (a) grinding calcium lactate in a ball mill and separating finely divided material by air classification, or (b) dehydrating the calcium lactate to contain not more than 1 to 2 molecules of water of hydration e.g. by heating at 100 DEG  C. and 20 to 40 m.m. Hg and grinding in a screen mill.  Preferably not more than 1 part of calcium lactate is used per two parts of suppository base.  Other medicines may be incorporated in the suppository e.g. vitamin D, vitamin C, rutin, epithelial corpuscle extracts (parathyroid gland hormones) or bile acids.
Patent GB-211733-A (GB)
Title: Improvements relating to atmospheric gas burners
IPC: F23D14/62
Filed: 1923-03-29
Abstract: 211,733. Fricker, E. H. March 29, 1923. Atmospheric gas burners.-An atmospheric gas burner comprises an adjustable coiled spring 1 housed in a cage, comprising rings 3, 4 connected by longitudinal bars 5, the ring 3 being screwed into a recess in a screwed collar 2 connecting the upper and lower parts of the mixing tube together. A plate 6 screwed in the ring 4 may be adjusted by means of a screw-driver engaging a slot 7 in, or by a spanner engaging a. nut upon, the lower face so as to vary the distance between the coils of the spring and thereby regulate the passage of the gaseous mixture. In a modification, the plate 6 is formed in one with the cage which is screwed into or out of the recess in the collar when adjusting the spring. Specification 206,697 is referred to.
Patent GB-1363007-A (GB)
Title: Device for controlling shutter exposure time
IPC: G03B7/083
Filed: 1972-02-28
Abstract: 1363007 Shutter control circuit NIPPON KOGAKU KK 28 Feb 1972 [3 March 1971] 9048/72 Heading G2A A shutter control circuit has a timing capacitor 6 which is such that its leakage current decreases with time when a voltage is applied, the capacitor being connected to a battery 1 except during picture taking so that the leakage current is always low. A tantalum electrolytic capacitor is preferred. As shown, in use a switch 5 is closed to discharge capacitor 6 to a value determined by the light incident on a photo-conductor 2. On shutter release, a switch 7 is opened and a circuit A operates a shutter closing electromagnet (not shown) after a time determined by the charge on capacitor C.
Patent GB-107254-A (GB)
Title: Improvements in or connected with Sparking Plugs.
Inventor: WATKINS CHARLES HORACE
IPC: H01T13/56
Filed: 1916-06-27
Abstract: 107,254. Watkins, C. H. June 27, 1916. Sparking-plugs.-The inner member 2 of the insulation is protected from the atmosphere, the portion which projects beyond the body being enclosed by mica laminations 13 and a fibre washer 13<a>. The part of the insulation 2 remote from the cylinder is separated from the electrode 3 by an air-gap. Nuts 6, 12 bearing on washers 7, 11 preferably of aluminium, position the insulator 2. The terminal 16 is cut obliquely giving a spark-gap of varying width.
Patent GB-440535-A (GB)
Title: Improvements in and relating to dial arrangements for broadcast receiving apparatus
IPC: H03J1/04
Filed: 1935-03-22
Abstract: 440,535. Adjusting wireless apparatus. IDEAL WERKE AKT.-GES. FUR DRAHTLOSE TELEPHONIE, Hohensch÷nhausen, Berlin. March 22, 1935, No. 9056. Convention date, April 16, 1934. [Class 37] [See also Group XL] In a dial arrangement for broadcastreceiving apparatus, the member which indicates the setting of the tuning circuits to the various transmitting stations is moved magnetically in dependence upon the tuning means. In the form shown in Fig. 1, an electromagnet 6 is mechanically connected with the tuning control and moves parallel with itself in such a way as to move a magnetizable ball 4 up or down in a guide 7. The names of the transmitting stations are arranged in a number of vertical columns and with each column there is associated a guide 7 and ball 4. The inclination of the magnet 6 is such that during movement towards the left when a ball is being raised from the bottom of its guide, the ball in the guide two columns to the right is being deposited in a trough 10 at the top. The dial 1 constitutes a partition between the magnet and the guides 7 pivoted in a transparent plate. A separate scale 15 having an indicating ball 9 may be provided for shortwave adjustment readings. Separate magnet systems may be associated with the colunms, and the station names may be arranged in horizontal or inclined rows. The ball 4 is preferably hollow to reduce its weight. In an alternative construction, Fig. 4, a single indicator is employed and a cylinder 12 carrying the names of the transmitters is rotated past an opening 14 in the front wall of the apparatus in dependence upon the wave range adjustment. The vertical guide tube 7 is entirely transparent or only at the part facing the observer. The indicator may be illuminated from one end of the guide, for instance the upper end, so that the lower half of the ball is in shadow. The illumination may be arranged to be a maximum at the correct tuning position by the use of a relay controlled by the anode current of a valve which connects the illuminating device to half or full voltage according to the adjustment.
Patent GB-236883-A (GB)
Title: Improvements in or relating to coin-freed locks
IPC: G07F17/14
Filed: 1924-04-10
Abstract: 236,883. Tonks, W. H., and Sparks, W. April 10, 1924. Drawings to Specification. Fastenings for doors; coin-slit closing-devices. -A coin-slit closing-device for a coin freed lock comprises two co-operating members, the coin displacing one member and thereby releasing the second to permit of its passage into the lock. The device is the same as that described in Specifications 236,881 and 236,882 and embodied in the coin freed locks described therein.
Patent GB-1299271-A (GB)
Title: Improvements in and relating to conduit boxes for electrical wiring
Inventor: CHENEY HORATIO BENJAMIN
IPC: H02G3/06
Filed: 1970-02-25
Abstract: 1299271 Conduit couplings H B CHENEY 25 Feb 1970 [31 March 1969] 9121/70 Heading H2E An electrical conduit connection 12 has a socket 16 containing a sleeve 22 which has a plurality fo resilient fingers 24 at one end. Locating projections 28 on the sleeve seat on a shoulder 30 on the socket and the other end of the sleeve is held by the edge of the socket being turned over. A plug 20 fits in the socket and is retained by the fingers 24. The plug seats on a shoulder 36 on the socket and the plug may be formed with a recess 38 to receive the fingers 24, which may be sharpened. The sleeve may be made of bronze, spring steel, or stainless steel, and may be cadmium coated to provide an anti-corrosive electrically conductive coating.
Patent GB-566098-A (GB)
Title: Improvements in reinforced wall structures for ships
IPC: B63B3/56
Filed: 1943-06-07
Abstract: 566,098. Tanks. AKTIEBOLAGET GOTAVERKEN. June 7, 1943, No. 9148. Convention date, June 17, 1942. [Class 69 (i)] [Also in' Groups XXI and XXXIII] An iron wall structure for the hull or bulkhead of a ship in which the wall is liable to be subjected to unilateral pressure decreasing in one direction, comprises a substantially smooth portion 7 which is reinforced with stiffeners 8 the distances between which increase fan-wise in said direction of decreasing pressure. The upper ends of the stiffeners 8 may be curved away from one another. The smooth portion may comprise one or more pieces of sheet metal the thickness of which is constant throughout the main portion of its height, whilst the stiffeners, which may be of constant cross section, may be secured thereto as by welding or riveting. The Specification as open to inspection under Sect. 91 comprises also the use of stiffeners 24-26, Fig. 8 (Cancelled), the distances between which increase step-wise, and states that the wall may be used for stationary receptacles, dams, and sluice gates. This subject-matter does not appear in the Specification as accepted.