baber/WOPTO huggingface dataset:
Patent GB-514086-A (GB)
Title: Improvements relating to automatic sprinkler heads and similar fluid-discharge devices
IPC: A62C37/10
Filed: 1938-04-21
Abstract: 514,086. Fire-extinguishing. GRAVINER MANUFACTURING CO., Ltd., MATHISEN, A., and SALMOND, H. M. April 21, 1938, No. 22344/39. Divided out of 513,920, Group XXXVII]. [Class 47 (ii)] The valve of a sprinkler head or simi- 1 a r fluid-discharge orifice is held closed by a stem 1 which is urged in a direction to allow the valve to open by a spring 26, and is held against movement by a plate 16. The latter is movable in a recess 15 in a nipple 12 and has a tubular part 17 which engages a second plate 19 having a tubular part 20. The plate 19 has a bevelled edge 21 engaged by a bevelled rim 22 on a cap nut 23 screwed to nipple 12.' Explosive is housed in the recess 15 around the part 17, and is connected to a train of explosive in the parts 17, 20. The part 20 has an igniting cap 33 which is waterproofed and has an inflammable disc 35. When the head 33 is ignited, the explosive in the recess 15 is fired, and blows the plate 19 out of the nut 23, allowing the spring 26 to move the stem 1. to release the valve. A cover 32 encloses the member 19, 20, and a waterproof disc 27 seals the recess 15. The nipple 12 is secured by solder 13 to a ferrule 11 screwed to a nut 10 mounted in the yoke 9 of the sprinkler head. In case of an excessive rise in temperature, the solder melts, releasing the stem 1 and the sprinkler valve. Specification 513,920 is referred to.
Patent GB-480168-A (GB)
Title: Improvements in or relating to apparatus for cleaning articles of ceramic materials
IPC: B28B11/22
Filed: 1936-08-13
Abstract: 480,168. Endless-belt conveyers. SCHWEITZER, H. V. Aug. 13, 1936, No. 22352. Convention date, Nov. 11, 1935. [Class 78 (i)] [Also in Groups XXIII and V] Apparatus for cleaning articles of ceramic materials prior to glazing, by means of sandblast comprises a flexible, e.g. reinforced rubber, belt 10 running over an idler pulley 11, a driven pulley 12, and idler pulleys 19, 21, the upper run of the belt passing through a cabinet 25 divided by a partition 26 into a sand-blasting chamber 27 and a blower chamber 28 and having sloping lower walls 29, 31 to form a hopper. An exhaust conduit 33, for removing dust, extends through the cabinet below the belt and has in its lower side openings 34; the conduit may be covered with rubber and has a connection 38 to suction apparatus. The upper run of the belt is supported, to ensure smooth operation, on balls 41 of glass, steel, &c., supported, preferably non-rotatably, by channel bars 43 and held in position by channel bars 42 formed with holes through which the balls project, the bars being held in position by bolts 44; the bars 42 may be covered with rubber. The work is supported on the belt by means of two staggered rows of pins 46 each comprising a shank 47 having a threaded head 48, which receives a securing nut 51 and washer 49, to hold the pins in position on the belt, and the nut being covered by a rubber cap 52 and the pin by a rubber tube 53, the tapered tip of the pin being covered by a rubber cap 54. The work, for example, a dish 61, rests on the pins and is carried past sand-blasting devices 56... 59 in chamber 27, below and above the articles, supplied with sand and air through connections 56<1>-59<1>, 56<11>-59<11>, the pressure in the upper devices being maintained slightly greater than that in the lower devices by means of pressure regulating devices 62 and gauges 63, so that the articles are not blown off the pins. After sand-blasting, the articles pass to the chamber 28 where the sand &c. is removed from the articles by air, from blast connections 66, 68, supplied by a blower. The openings in the ends of the cabinet are covered by flexible doors 71, which may be composed of shredded rubber hanging to the tops of the pins.
Patent GB-424198-A (GB)
Title: Improvements in and relating to feeding mechanism for sound record films
IPC: G11B15/56
Filed: 1933-08-10
Abstract: 424,198. Sound-film feeding devices. KOLB, O. K., Beverley Court, Wellesley Road, Chiswick, and BRITISH ACOUSTIC FILMS, Ltd., 142, Wardour Street, both in London. Aug. 10, 1933, No. 22396. [Class 40 (ii)] In order to regulate the motion of a soundfilm, and to damp undesired film vibrations, a loop in the film before or behind the sound recording or reproducing point is influenced by a current of air or other suitable gas. The influence of the gas may be adjustable, and may be controlled by hand, or automatically in dependence on speed variations of the film. Fig. 2 shows an application of the invention to a sound-reproducing apparatus, in which air is blown through a jet 5 against the film at a point between a feed-sprocket 4 and a roller 2 associated with a flywheel 3. A pump 7 supplies the air current through the jet 5, and also produces a suction effect by means of a nozzle 6 disposed on the opposite side of the film to the jet 5. The nozzle 6 may be dispensed with. A modification is described, in which the film passes through a tube through which air currents may be passed preferably in the opposite direction to that in which the film travels. Fig. 4 shows an arrangement in which movements of a film-tensioning roller 14, depending on changes in the size of a loop in the film, control through a valve 17 the air directed through a pipe 18 on to the film. The air pump or exhauster may be driven in any suitable way, e.g. by the film itself, or by the motor which drives the film. Any number of air control points may be arranged in the path of the film.
Patent GB-656060-A (GB)
Title: Electro-acoustic devices
IPC: G10K9/20
Filed: 1947-08-12
Abstract: 656,060. Electro-acoustic devices. MARTIN, C. Aug. 12, 1947, No. 22442. Convention date, Aug. 9, 1944. [Classes 13 and 88 (ii)] [Also in Group XXXIX] A magnetic metal rod 1, Fig. 1, clamped at one end in a vice 3 and bent to form several sections of different lengths is set in vibration by an electromagnetically-operated striker 9 and induces alternating currents in a winding 12 which surrounds a magnetic core 13 and is connected through a coupling 14 and an amplifier 15 to a loud-speaker 16. In modifications, the vibrations of the rod are converted into electric oscillations photo-electrically, Fig. 8 (not shown), electrostatically, Fig. 9 (not shown), or electrodynamically, Fig. 10 (not shown), and these transducing systems may be combined with a known harmonic selector, Fig. 7 (not shown). Fig. 6 shows a belfry 54 containing two loud-speakers or groups of loud-speakers 55, 56 connected to the abovementioned transducing system through contacts 59, 60 and a swinging contact 58 whose action is correlated with that of the striker 9, Fig. 1, to produce an illusion of the swinging of a bell in the belfry 54. Several of the devices suitably tuned may be grouped to form a chime operated by a keyboard or an automatic arrangement.
Patent GB-671962-A (GB)
Title: Process of bleaching wood pulp
IPC: D21C9/16
Filed: 1949-08-30
Abstract: Moist felted wood pulp containing substantial amounts of ligneous and other non-cellulosic materials and having a consistency of not less than 25 (preferably 35-50) per cent solids is bleached by impregnating it with an alkaline peroxide solution as the sole chemical addition to effect self-controlled bleaching of the pulp, said alkaline peroxide solution having pH of 9.5-11.5 and a total alkalinity of 0.35-1.1 per cent by weight sodium oxide equivalent based on bone dry pulp and comprising a peroxide (preferably hydrogen peroxide but including per-salts which yield hydrogen peroxide in aqueous solution, e.g. sodium perborate) and an alkaline salt including as an essential ingredient sodium silicate, trisodium phosphate, sodium pyrophosphate or sodium tetraphosphate, accumulating the impregnated pulp into a mass of substantial volume and relatively small exposed urea to inhibit drying out, allowing said mass to remain for from 5 hours to several weeks, during the initial period of which time the maximum brightness of the pulp is achieved and the pH automatically falls to at most 8, and omitting any further chemical additions to the bleached pulp, which retains substantially its maximum brightness for at least several weeks. The specified alkaline salts may be used alone or in combination with one another or with other alkaline materials (e.g. caustic soda, soda ash or borax).  The process is applicable to the treatment of ground wood, pretreated ground wood or semi-chemical pulps or mixtures containing them, in the form of lap, web or crumbs.  The initial pH of the alkaline peroxide solution is preferably 10.5-10.8 in the case of ground wood or pretreated ground wood pulp, and 10.8-11.2 in the case of semi-chemical pulp, and the solution is preferably applied at a temperature of 15-30 DEG  C.  Examples describe the bleaching of ground wood pulps from spruce and balsam and from poplar, a neutral sulphite pretreated birch ground wood pulp and an aspen semi-chemical pulp. Bactericides and fungicides may be added to the pulp or the bleaching solution, and the process may form the last stage of a multi-stage bleaching process.
Patent GB-725094-A (GB)
Title: Apparatus for simultaneous projection of a plurality of images composing a television image
IPC: G03B21/00
Filed: 1953-08-14
Abstract: 725,094. Colour television; light valves. GRETENER, E. Aug. 14, 1953 [Aug. 16, 1952], No. 22513/53. Addition to 698,107. Class 40 (3). The optical projection system according to the parent Specification when arranged to project three component colour images together with a black-and-white image is modified in that the component colour images have reduced definition with respect to the black- and-white image whereby the accuracy of register required in superimposing the images is reduced. In one way of carrying out the invention, Fig. 2, the reflecting layer 42 of the mirror bar system 40 which reflects the component colour images is covered with a layer 43 of transparent material, such as glass, which is goffered to form a raster of cylindrical dispersing lenses extending in the direction of line scan. By this means the sharpness of the colour images is reduced in a direction normal to the lines. The layer 41 reflecting the black- and-white image is unchanged. As an alternative to covering the reflecting layer with a goffered surface, the reflecting layer may itself be goffered as shown at 46 in Fig. 3. In another way of carrying out the invention, Fig. 5, a cylindrical dispersing lens 36 is inserted in the optical path of the component colour images before the mirror bar system. In yet another way of carrying out the invention, the dimension of the cathode-ray scanning spot for each colour image is increased in the direction at right angles to the line direction of scan so that adjacent lines overlap. As a result of the reduced definition provided by the apparatus, the band width of the colour signals may be reduced with respect to that employed for the black-and-white signals. The frequency of the high frequency rastering voltage applied in the line direction of scan may also be reduced, and the size of the scanning spot increased in the line direction. Reference is made to the use of a common shield for the cathode-ray guns and the mounting of the guns in symmetrical and parallel relationship so that external magnetic fields, including the earth's magnetic field, disturb the guns in an identical manner and reduce registration errors.
Patent GB-1511755-A (GB)
Title: Sliding window assembly
IPC: E05D15/08
Filed: 1976-06-01
Abstract: 1511755 Sliding windows RIKEN KEIKINZOKU KOGYO KK 1 June 1976 [30 May 1975 3 Feb 1976] 22610/76 Heading E1J A sliding window with a fly-screen and shutters is arranged so that when the panels are in the open position the window opening is completely unobstructed; the window arrangement comprises a main frame 8, 29, 49 located on the outer face of the wall 3 and fixed to the jamb posts 2, 4, the lintel 6 and the sill 7; the window sashes 64 slide on the rail 42 and the groove 25, the mesh screens 88 on the rail 43 and groove 26 and the shutters 90 in the grooves 44 and 27; all the panels may slide clear of the window opening W into the housings 5 situated on either side of the opening. In a further embodiment (Figs. 6-8 not shown) the sashes and screens slide on parallel rails and a single housing is provided at one side only of the opening.
Patent GB-615281-A (GB)
Title: Improved means for use in loading a truck
IPC: B60P1/44
Filed: 1946-07-30
Abstract: 615,281. Vehicle fittings for loading and unloading. ALVIS, Ltd., and KEMP, A. July 30, 1946, No. 22646. [Classes 78 (iii) and 78 (iv)] Loading means for a truck comprises a pillar 22 pivotally mounted at one side of the truck to extend vertically or horizontally, and a loading platform 16, 17 mounted on a support 19 movable along and round the pillar. The pillar is fixedly mounted in the bridge part 24 of a U-shaped bracket having its upper ends pivotally mounted on a horizontal axis 26 between brackets 25 fast with the truck frame 12. The support member 19 able to traverse along and rotate around the pillar 22, has pivotally mounted to it on an axis 18 transverse to that of the pillar 22, an L-shaped platform member 17-16. The movements of the support member 19 along the pillar 22 and of the pillar about the axis 26 are by power operation. Rotation of the support member 19 relative to the pillar 22 and of the platform 17-16 relative to the support member 19 are by hand, means being provided for clamping the members in any position. The platform 16, 17 is normally loaded in the position 16b in Fig. 3, and after raising the platform 16 the load is transferred to the vehicle platform by rotating the platform 16, 17 about the pillar 22 before lowering it or by lowering the pillar about the axis 26, after which the platform may be rotated about the axis 18.
Patent GB-407381-A (GB)
Title: Improvements in operating carbonising chambers or retorts
IPC: C10B21/20
Filed: 1932-08-12
Abstract: 407,381. Retort furnaces. WOODALLDUCKHAM (1920), Ltd., FINLAYSON, T. C., and NEWTON, W. T., 136, Victoria Street, London. Aug. 12, 1932, No. 22650. [Class 51 (ii).] In a carbonizing-plant an idle retort is kept under heat by passing through its flues waste gases from the flues of retorts which are in operation. In the three retort setting shown the upper ends of the retort flues are connected through ports f with a bus flue a, which in turn is connected through damper-controlled flues g with stack flues d. At their lower ends the retort flues are connected to the stack flues through damper-controlled ducts c. With the damper settings shown, a portion of the waste gases from the flues of the two outer retorts is withdrawn from the flue a, and passed downwards through the flues of the idle middle retort. A modification is described in which the waste gases pass upwards through the flues of the idle retort.
Patent GB-500966-A (GB)
Title: Improvements in and connected with valve devices particularly adapted for use in connection with aircraft tanks
IPC: F16K31/528
Filed: 1937-08-18
Abstract: 500,966. Valves. BROWN, F. V., and AIRCRAFTINGS, Ltd. Aug. 18, 1937, No. 22666. [Class 135] A valve device particularly for jettisoning liquid fuel or ballast from aircraft tanks comprises a hinged valve disc 10 closing a discharge spout 1 of a tank 6. The disc is pivoted to lugs 20 on a flanged ring 3 by a pin 19 engaging in a bushed hole in the end of a slotted cam track member 15 secured to the top of the disc. An arm 31 secured to an operating spindle 28 with a handle 36 carries a rotter 35 which engages in the cam slot which is' slightly inclined with respect to the plane of the disc so that swinging movement of the arm 31 tightens or loosens the valve disc on its seat. The valve disc is raised from its seat by the extreme movement of the arm 31 when the roller 35 engages the end of the cam slot to pivot the disc about the pin 19. The member 15 is S-shaped to conform to the arc traced out by the roller 35 and to allow the roller 35 to be moved beyond the normal closed position out of the cam slot to provide for assembly and dismantling.
Patent GB-1425373-A (GB)
Title: Thick film electrical circuits
IPC: H01L21/70
Filed: 1973-05-11
Abstract: 1425373 Thick film printed circuits TELEFONAKTIEBOLAGET L M ERICSSON 11 May 1973 [18 May 1972] 22677/73 Heading H1R Contact between thick film circuit layers in a multi-layer thick film circuit element is achieved by making holes through the layers and intervening insulation, using a radiant energy e.g. laser or electronic beam and thereafter filling the holes with conductive material. The hole filling operation may take place simultaneously with formation of the top conductor pattern, and to reduce contact resistance with a buried conductor, two adjacent holes may be made, both filled with conductive material. Outputs may thus be derived from buried points of the circuit layers.
Patent GB-180604-A (GB)
Title: Improvements relating to motor vehicles
IPC: B60J1/08
Filed: 1921-08-27
Abstract: 180,604. Fisher, E. R. Aug. 27, 1921. Wind-screens. - In motor vehicles having hinged side-lights which open with the door, the side-lights are hinged to vertical strips or bars detachably clamped to the wind-screen. On each side of the vehicle a vertical post 4 is secured by clamps 6 and clamping screws 8 to the metal edging 7 of the wind-screen. A window framing 2 hinged at 3 to the post 4 is formed with recesses 17 containing pins 16 with which hooks 15, attached to a bar 12 secured to a side screen 13, engage. Screws 20 which pass through vertical slots 19 in an upper cross member 18 of the framing 2 adjustably secur the member to the uprights to ensure a weather tight fit between the framing and the hood. A similar framing may be placed over the rear door and hinged to a post detachably connected to the hood and the body of the car.
Patent GB-465992-A (GB)
Title: Improvements relating to shuttles with cop feeling devices
IPC: D03J5/00
Filed: 1936-08-19
Abstract: 465,992. Weft feeler arrangements for stopping looms. MANUFACTURE DE MACHINES TEXTILES MATEX SOC. ANON. Aug. 19, 1936, No. 22822. Convention date, Aug. 19, 1935. [Class 142 (iii)] A cop-carrying shuttle has a horizontally pivoted flap d adapted to cover an opening c in the shuttle wall and restrict the movement of a feeler element h until the weft is substantially exhausted, the flap being held in front of the aperture by the cop i pressing it directly or through intermediary springs. The flap may be pivoted above or below the opening and the spring tongue engaging the cop may be secured to the cover b or to the base of the shuttle.
Patent GB-516947-A (GB)
Title: Improvements in engine stop-gear
IPC: F16P3/00
Filed: 1938-08-03
Abstract: 516,947. Engine stop-gear. BOARDMAN, H. Aug, 3, 1938, Nos. 22898 and 25333. [Class 122 (iv)] A remote control apparatus enabling a steam engine to be stopped from different rooms of a mill or factory in case of accidents to personnel or breakdown of machinery comprises a pipe G extending through the building. fitted with valves or frangible seals and communicating together with a condenser vacuum pipe H with a cylinder K provided with a piston carrying a weight k<3> adapted to operate a knock-off arm c on the governor control rod C. The piston is normally held up by the vacuum and released by the opening of a valve &c, in the pipe G, which breaks the vacuum. The normal shutting- down of, the engine, destroying the vacuum in the pipe H, allows a spring-pressed rod J to project and prevent the weight operating the governor control. In a modification, the pipes G, H jointly communicate with a chamber in which a diaphragm carries a valve controlling communication of the pipes with the chamber and also carries a governor-operating weight.
Patent GB-224484-A (GB)
Title: Improvements in rotation for rock drills
IPC: E21B6/06
Filed: 1924-09-29
Abstract: 224,484. Marks, E. C. R., (Ingersoll-Rand Co.). Sept. 29, 1924. Percussive tools. - The pawls on the rifle-bar of a rock drill are held from sliding sideways by means of notches Y with which the spring plungers U engage. When the pawls are fully depressed the plungers are clear of the notches and the pawls can be slid out.
Patent GB-780035-A (GB)
Title: Improvements relating to locker and cupboard door fastenings
Inventor: WOODWARD JOSEPH
IPC: E05C9/04
Filed: 1954-08-07
Abstract: 780,035. Multiple fastenings. SPEIGHT & WOODWARD (SHEET METAL WORKERS). Ltd. Aug. 4, 1955 [Aug. 7, 1954], No. 23008/54. Class 44 A locker or cupboarddoor fastening comprises a lever 1 pivotally mounted on the inside of the door 2 and capable of projecting and engaging behind the body of the locker or the cupboard at the side thereof. upper and lower bolt members 8, 9 pivotally connected to the lever 1 and adapted by operation of the lever to be projected and engaged behind the body of the locker or cupboard at the top and bottom respectively of the door, one of the bolt members 9 being engageable when in the projected position by the bolt or its equivalent, of a lock 12 to prevent withdrawal of the lever and bolt members. The lever 1 is pivotally mounted on the door by means of a spindle 3 which projects through the door and has a handle on the outside of the door. The bolt members 8 and 9 are guided by brackets 10 which are attached to the inside of the door and an abutment 11 is formed on or welded to the bolt member 9 for engagement by the bolt or its equivalent, of the lock 12.
Patent GB-820093-A (GB)
Title: Process for the production of highly concentrated hydrogen chloride and hydrogen bromide
IPC: C01B7/09
Filed: 1957-07-19
Abstract: Highly concentrated hydrogen chloride or hydrogen bromide acid is obtained by treating in an absorption system in two steps a mixture of the hydrogen halide, water in the form of a vapour or steam, and a permanent gas uncondensable under the operating conditions; in the first step the mixture being conducted in countercurrent to hot aqueous hydrohalic acid flowing in from above, this acid being below <PICT:0820093/III/1> the azeotropic composition as regards hydrogen halide content heating the mixture so that the permanent gas leaving at the head of the system absorbs large amounts of steam but small amounts of hydrogen halide, a concentrated hydrohalic acid being removed at the bottom of the system, which acid is processed by boiling to obtain hydrogen halide of 100 per cent strength and an azeotropic acid, and in the second step cooling the gas and vapour mixture leaving at the head of the system in such a manner that nearly the entire portion of hydrogen halide is condensed with only part of the steam.  In a typical example 2 cubic metres of a hot permanent gas charged with 162 g. of hydrogen chloride and 150 g. of water vapour are passed through conduit 9 into the absorption tower 1 at a temperature of 20 DEG  C.  The major part of the water (as steam) and a minor proportion of the hydrochloric acid passes through conduit 3 to a cooler 4 from which the permanent gas escapes through conduit 10 and the dilute acid is removed through conduits 8 and 2 to the absorption tower 1.  The stronger acid is removed through conduit 5 to a boiling device 6 and 100 per cent acid is withdrawn through conduit 7 and azeotropic acid leaves by way of conduit 11.
Patent GB-1583740-A (GB)
Title: Aqueous emulsions of bitumen and process for their production
IPC: C08L53/00
Filed: 1978-05-26
Abstract: An aqueous bitumen and rubber emulsion is described which comprises a bituminous compound, a block copolymer with radial configuration of conjugated diene and aromatic vinyl compound and an emulsifier consisting of an amine salt and water. The process for the preparation of these aqueous bitumen and rubber emulsions consists in mixing a bituminous compound with a block copolymer with radial configuration of conjugated diene and aromatic vinyl compound, in introducing a proportion of the total quantity of amine into this mixture and in emulsifying this mixture in an aqueous phase containing the remainder of the quantity of amine as well as an acid in a quantity which is at least sufficient to neutralise all the amine. This emulsion can be employed in the field of road surfacing and roofing.