baber/WOPTO huggingface dataset:
Patent GB-286977-A (GB)
Title: A burner for air heaters or cowper stoves to be alternately heated and supplied with air under pressure
IPC: F23D14/00
Filed: 1927-08-16
Abstract: 286,977. Askania-Werke Akt.-Ges. vorm. Centralwerkstatt Dessau und C. Bamberg-Friedenau. June 8, 1927, [Convention date]. Addition to 271,908. Air-heating furnaces. - In the burner for Cowper stoves or simiiar intermittent air heaters of the parent Specification, the gas and the air for combustion are both supplied under pressure by concentrically arranged nozzles. The gas supply pipe m, controlled by a valve k, leads to an annular nozzle o surrounding a conical air supply pipe n open to the atmosphere. Into the pipe n project nozzles q supplying air under pressure from a box p, the jets also drawing in air from the atmosphere, and a fan t driven by a motor u may be fitted to accelerate the air flow. The nozzles o, n, and burner tube are formed as a Venturi tube so that a preponderance of either fluid may operate to draw in more of the other fluid. A slide valve s is arranged at the narrowest part of the pipe n and is pressed against a seat s<1> by the pressure of the air being heated by the apparatus, and any air escaping past this valve passes freely into the atmosphere and cannot enter the gas conduit.
Patent GB-222636-A (GB)
Title: Loom picker checking mechanism
IPC: D03D49/36
Filed: 1923-08-27
Abstract: 222,636. Tolhausen, A. Aug. 27, 1923. No Patent granted (Sealing fee not paid). Checking pickers. -A picker checking buff e r mounted on the picker spindle comprises an outer cylinder A of metal &c., within which an inner cylinder B is moved by the blow of the picker against the action of a spring D interposed between one end of the cylinder A and a collar C on the inner cylinder. A cover-plate F of metal or fibre &c. held in position by a wood block or leather screwed to the shuttle-box is fixed by rivets &c. to the outer flange of the cylinder A, and the cylinder B is bushed with a tube E of vulcanized fibre, or of lubricating wood-pulp tubing comprising grease and wood pulp, or of other material to slide on the picker spindle and prevent metal to metal abrasion. According to the Provisional Speefication, the outer cylinder is reversed to receive the spring, the inner cylinder has a collar with a packing ring, additional washers threaded on the picker spindle cushion the cylinder against the shuttle-box, and the cylinder is screwed to the backboard of the shuttle-box, or is cast to the shuttle-box.
Patent GB-1472654-A (GB)
Title: Inking and/or dampening system for rotary printing machines
IPC: B41F7/36
Filed: 1974-05-15
Abstract: 1472654 Inking/dampening drive MASCHINENFABRIK AUGSBURG-NURNBERG AG 15 May 1974 [16 May 1973] 21656/74 Heading B6C The inking and/or dampening system drive of a rotary printing machine is modified by the provision of separate drive motors for the ductor or fountain roller and at least the first distributer roller. In one embodiment, Fig. 1, a rotary letterpress machine where the printing cylinder 4 is reversible, and either inking roller 26 or 27 is tripped out of the train depending on the direction of rotation of the press individual hydraulic motors 29, 30 drive the distributer roller 25 and the doctor roller 22 while the distributer rollers 19, 20 are driven from the main press drive. Alternatively the distributer rollers 19, 20 can be provided with separate drive motors. The invention can also be applied to offset printing machines, Fig. 2 (not shown). The individual motors may be controlled by electro-hydraulic 2-way current control valves (38), Fig. 3 (not shown), connected to a tachogenerator (42) which provides a velocity equivalent to the machine velocity; the ductor velocity may be individually adjusted through a potentiometer (43) for different inking requirements.
Patent GB-669267-A (GB)
Title: Improvements in and relating to work feeding devices
IPC: B24B3/24
Filed: 1950-09-04
Abstract: 669,267. Grinding. KONINKLIJKE MACHINEFABRIEK GEB. STORK & CO. N.V. Sept. 4, 1950 [Sept. 5, 1949], No. 21749/50. Class 60. [Also in Group XXII] A work-feeding device comprises a rotatable sleeve 2 provided with a number of axiallyarranged helical grooves 3 and rotatably mounted in a stationary casing 1 having a corresponding number of keys 6, each key being adapted to engage and disengage the corresponding groove. Each key is spring-loaded and may be moved to and from its operative position by a screw adjustment. The sleeve 2 contains two eccentrically bored sleeves 10, 11 which are relatively rotated to provide the required degree of eccentricity of the work-piece with respect to the sleeve 2. Two rings 12, 13 secured to the sleeves 11, 10, and locking pins 15, 17 co-operating with screws 14, 16, enable the sleeves to be locked in the required position. One of the rings 12, 13 may be calibrated to facilitate relative adjustment between the sleeves. The work-piece, which may be a drill, is mounted in a conicallybored sleeve 18 which carries a ring 20 provided with a spring-loaded detent 21 to co-operate with a circular series of recesses 19 in the ring 12; by this means the work-piece may be indexed. To impart helical movement to the work-piece, the sleeve 2 is oscillated by a handle 23 which has its movement restricted by two adjustable stops in a slot 26 to co-operate with a pin 25. If the work-piece is to be rotated eccentrically, the sleeves 10, 11 are set to the required eccentricity and one of the keys 6 is engaged with an annular groove 5. The grooves 3, the pitch of which may vary from 1 to 22 m.m., are connected by a straight slot 4 which enables the sleeve 2 to be moved axially without rotation. Packing rings 9 are provided.
Patent GB-295383-A (GB)
Title: A method of providing photographic raw film with visible reproducible inscriptions
IPC: G03C3/00
Filed: 1928-07-27
Abstract: 295,383. I. G. Farbenindustrie Akt.- Ges. Aug. 12, 1927, [Convention date]. Addition to 287,124. Ink.-The ink described in the parent Specification for impressing visible reproducible inscriptions on raw photographic film material, comprising a solution of a dyestuff which penetrates into the support and dries quickly, is modified (1) by adding a colloid which is insoluble in any solvent which is to be used in the subsequent operations for producing the finished film, particularly in the polishing operation, and (2) by substituting wholly or in part for the dyestuff in the colloidal printing solution a finely dispersed pigment. The colloid is preferably a cellulose, derivative, such as an amines derivative. The printing solution, for use on a nitrocellulose film, may comprise a solution of acetyl cellulose in glycol acetate, mixed with either a solution of cerasine, red, or a suspension of soot, in glycol acetate.
Patent GB-1280154-A (GB)
Title: Devices for the measurement of electric current
Inventor: FERMOR JAMES HUGH
IPC: G01R15/18
Filed: 1968-05-08
Abstract: 1280154 Current measurement NEWPORT INSTRUMENTS Ltd 8 Aug 1969 [8 May 1968] 21835/68 Heading G1U An apparatus for detecting and/or measuring current comprises a movable structure incorporating two or more conductive flat strip form elements mounted to be capable of torsional displacement or oscillation, a source of current to be measured being connectible to one element and a magnetic field being established around this element. In addition, the apparatus incorporates either an electrostatic detector having one capacitor plate secured to or integral with the movable structure and stationery capacitor plates, or an electromagnetic detector arranged to sense e.m.f.s.' generated in the other element(s), to provide a capacitive variation or e.m.f. respectively representing the current in dependance on any positional displacement or oscillation of the movable structure. In one embodiment, two separate flat current conductors 10, 11 are mounted side by side and bonded to insulating strips 16, 17, the arrangement being supported between magnet poles 24, 25. The passage of current in one of the arms 10, 11 causes displacement (for D.C.) or oscillation (for A. C.) of the structure relative to the magnet poles. The displacement or oscillation may be detected by the relative capacitance changes in the plate systems 20, 10, 21 or 22, 11, 23, which are arranged in a suitable detector bridge configuration. An applied A.C. may be detected by detecting the generation of an alternating e.m.f. in a conductive path of the structure due to its oscillation between the poles 24, 25. In another electromagnetic detector system, the current carrying arm (29) Fig.5 (not shown) moves in the field due to permanent magnet poles (33, 34), while a second arm (30) moves between the poles of oppositely disposed electromagnets energized by A.C., the e.m.f. generated in the arm (30) being detected. Three arms could be used, one being between magnet poles, the others being between the poles of an electromagnet. A four pole system, with each of two arms being between the poles of separate permanent magnets Fig.4 (not shown) to increase the field strength at the arms may be used. Alternatively there may only be one conductive path through the structure, between permanent magnet poles Fig. 5 (not shown) with a metal strip insulatingly supported at a distance in the plane of the path moving between capacitor plates, to increase sensitivity. All embodiments may form part of systems in which balancing or restoring force may be applied electrostatically or electromagnetically to the moving structure, in response to detected signals, to restore the structure to its equilibrium position. The restoring force may be applied in the capacitor plate arrangements as a potential difference between the fixed and moving plates.
Patent GB-707291-A (GB)
Title: Means for heating air for combustion in steam boilers
IPC: F23M20/00
Filed: 1948-08-19
Abstract: 707,291. Heating air; feadwater heating systems. DALIN, D., and HAGBY, G. V. Aug. 19, 1948 [Oct. 23, 1947], No. 21917/48. Addition to 629,298. Classes 64(1) and 64(3) In a steam boiler in which water flows in a closed circuit which includes heatexchangers one of which is heated in the boiler flue by flue gases and another of which heats combustion air, the heat-exchangers are so connected with the main boiler circulating system or feedwater system that the water is impelled through the heat-exchangers either by the main circulating pump of the boiler, if the latter is a forced flow boiler, or by the feedwater pump, and the flow of water is so controlled by means responsive to the temperature of the water entering the flue heat-exchanger that that temperature is maintained above the dew-point of the flue gases. In a forced circulation steam boiler, Fig. 1, water drawn from the steam drum 125 by the main circulating pump 126 is passed partly through an air heater 104 and are-heater 101a in the flue 147 before returning to the steam drum 125, partly through a heater 143 in the flue 147, and partly through the boiler water-tubes. The amount of water flowing through the air heater 104 is controlled by a valve 148 operated by changes in the temperature of water leaving the air heater. In another form, Fig. 2, feedwater drawn from a reservoir 124 by a pump 156 is heated by flue gases in a heat-exchanger 151, and then passes partly through air heaters 152, 153 before return to the reservoir, partly to the boiler steam drum 125, and partly through the conduit 157 back to the reservoir. The amount returned through the conduit 157 is regulated by a valve 161 controlled by the temperature of the feedwater entering the flue heat-exchanger 151.
Patent GB-1413448-A (GB)
Title: Process for the separation of trioxane from aqueous solutions
IPC: C07C47/058
Filed: 1974-05-16
Abstract: 1413448 Trioxane SOC ITALIANA RESINE SIR SpA 16 May 1974 [15 June 1973] 21923/74 Heading C2C Trioxane is separated from aqueous solutions containing it together with formaldehyde by subjecting the solution to evaporation at temperatures of 25-100‹ C. at subatmospheric pressure and with residence times of less than 1 minute under the evaporation conditions, with vaporization of 5-15% by weight of the solution introduced, and recovering the trioxane from the evaporated products. The starting solutions are obtained by the triminisation of formaldehyde in aqueous solution.
Patent GB-356394-A (GB)
Title: Improvements in and relating to non-splintering or safety glass sheets
IPC: B32B17/10
Filed: 1930-07-22
Abstract: 356,394. Signs. LAMINATED GLASS, Ltd Broadway Buildings, Broadway, Westminster, BARRY, M. V., 7, Shirley Avenue, Carshalton, Surrey, and LAMBERTY, C. H. H., Broadway Buildings, Broadway, Westminster. July 22, 1930.. No. 22069. [Class 3 (ii).] Laminated glass signs are made by interposing sheets of gelatine, which may be decorated or printed upon, between glass sheets coated with a mixture of glycerine and acetic acid, and uniting the sheets by pressure. Two sheets of gelatine may be used, with sheets or pieces of plain or coloured metal foil, wood veneer, paper or other material, printed upon or cut out to form letters or decorative patterns, the gelatine sheets being then assembled between outer glass sheets. Two or more sheets of glass may be used, with gelatine and display sheets between each of the outer glass sheets and the central glass sheet.
Patent GB-991009-A (GB)
Title: Mining apparatus
Inventor: BOLTON DOUGLAS HERBERT HEWLETT
IPC: E21D23/16
Filed: 1962-06-07
Abstract: 991,009. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. May 24, 1963 [June 7, 1962], No. 22113/62. Heading E1E. [Also in Division F1] In a self-advancing mine roof support system wherein each support 4 is supplied in turn with fluid pressure from a source 10 by respective valves 13 actuated by a pilot line 17 as in Specification 991,008, at least one of the hydraulic props 6 in each support incorporates in its head 21 a safety valve or switch 26 operated by lost-motion chain links 31-32 should the prop reach its maximum extension (e.g. if the prop encounters a hole in the roof), operation of the safety valve causing the advance of the whole system to be stopped. The supports 4 are advanced by rams, Fig. 1 (not shown), on a conveyer which guides the coal cutter. The valve 13 on each support connects the rams and props to the source 10 and is actuated by the line 17 only when the previous support 4 has completed its advance and is set against the roof. The prop 6 comprises inner and outer cylinders 20, 19 and a pressure chamber 23 having an inlet and outlet conduit 22. When the safety valve 26 is opened conduit 22, and hence the pressure line 11, is connected through conduits 22, 15 to the exhaust line 12, so that the advancing sequence is stopped. Alternatively the valve 26 may be arranged to shut off the pressure line 11 from subsequent supports 4. In a modification the valve 26 is replaced by electrical switch contacts.
Patent GB-673611-A (GB)
Title: Stabilization of nuclear chlorostyrenes by 2,6-dinitrophenols
Inventor: DRAKE STEVENS S
IPC: C07C17/42
Filed: 1950-09-07
Abstract: A process for the stabilization against polymerization of nuclear chlorostyrenes containing not more than two chlorine atoms per molecule comprises dissolving in the chlorostyrene an inhibitor consisting of a 2,6-dinitrophenol <FORM:0673611/IV (b)/1> where R is hydrogen or an alkyl or cycloalkyl group containing not more than 6 carbon atoms.  The chlorostyrenes may be pure individual compounds or mixtures, e.g. such as are produced by pyrolysis of mono-ethylated mono-and di-chlorobenzenes, by the dehydration of nuclearly chlorinated phenyl ethyl alcohols, and by the dechlorination of nuclearly chlorinated chlorethyl benzenes. Radicals represented by R mentioned are methyl, ethyl, propyl, butyl and cyclohexyl.  Amounts of the inhibitor between 0.05 and 5 per cent by weight on the weight of chlorostyrene are mentioned. Examples show compositions of (1) mixed 2-, 3-, and 4-chlorostyrenes with 1 per cent of 2,6-dinitrophenol; (2) mixed 2-and 4-chlorostyrenes with 1 per cent of various 2,6-dinitrophenols; (3) pure 4-chlorostyrene and 2,6-dinitrophenol; (4) 2,5-dichlorostyrene and 2,6-dinitrophenol. The viscosity of the mixtures before and after heating to 100 DEG  or 130 DEG  C. is shown, and for comparison the results using other inhibitors under the same conditions is given.
Patent GB-844444-A (GB)
Title: Improvements in or relating to electrical connectors or terminals
IPC: H01R4/48
Filed: 1956-07-18
Abstract: 844,444. Direct connections between conductors: sleeve couplings: binding posts: terminal boards. HUTCHINGS, E. L. Oct. 17, 1957 [July 18, 1956], No. 22195/56. Class 38(1). Connection between a wire and a connector is effected by inserting the end of the wire between the limbs of a hair-pin shaped member B<SP>1</SP> compressing said member via apertures E in the wall of a surrounding metal tube A and drawing said member into a tapered portion C' of the tube A whereby the limbs thereof are wedged onto the wire, projections J on the arms engaging the wire. The drawing shows an elongated tube A having a second hair-pin shaped member B<SP>2</SP> in its other end whereby two wires may be connected together, the tube being enclosed in a P.V.C. sleevet. More than one projection J may be provided on each arm of the hair-pin shaped member, which may alternately comprise a pair of wedge-shaped arms joined by a U- shaped base of resilient material Several single connectors or a mixture of single and doubleended connectors may be assembled together to form a terminal strip.
Patent GB-514766-A (GB)
Title: Improvements in high vacuum condensation or diffusion pumps
IPC: F04F9/00
Filed: 1938-05-14
Abstract: 514,766. Diffusion pumps. EASTMAN KODAK CO. May 14, 1938, No. 22257/39. Convention date, May 18, 1937. Divided out of 514,749. [Class 71] In a cascade diffusion pump for the production of high vacua of the kind, which are operated by means of a mixed organic fluid, the fluid from one stage is employed to heat the throat or conduit of a jet in another stage. In the form shown the final jet of vapour of the lowest vapour pressure issues from an umbrella type of nozzle 72 supplied from a boiler by a compartment C having vertical walls 91, 92 joined to a conduit 88 with a flared end 89. The compartment C is surrounded by a compartment D associated with a jet 28 from which issues jets of vapour of a higher vapour pressure than the vapour from compartment C. The heat from compartment D prevents the vapours of low vapour pressure from condensing before reaching the nozzle 72.
Patent GB-1501472-A (GB)
Title: Method and apparatus for burning cement raw materials
IPC: C04B7/43
Filed: 1975-05-22
Abstract: 1501472 Cement burning plant PREROVSKE STROJIRNY NARODNI PODNIK 22 May 1975 [29 May 1974] 22337/75 Heading F4B Cement burning plant comprises a rotary kiln 1, a clinker cooler 2, shaft suspension preheaters 5 and 6, a calcining chamber 3, a conduit 7 leading flue gases from the kiln 1 to preheater 5, a material discharge pipe 11 from preheater 6 opening into said conduit 7 and a material discharge pipe 14 from preheater 5 into a conduit 8 leading into calcining chamber 3. Conduit 8 is supplied with heated air from the clinker cooler 2 and has a discharge pipe 15 for coarser material leading to the furnace head 19. Chamber 3 has a burner 21 and discharges by conduit 17 into a cyclone 4 which has a gas conduit 18 opening into preheater 6 and a material discharge pipe 9 leading to the furnace head 19. Charge material enters the system at 24, 25 and fans 22, 23 remove waste gases. In a modification (Fig. 2) the shaft preheater 6 is replaced by a suspension preheater of the cyclone type.
Patent GB-601400-A (GB)
Title: Improvements relating to methods of welding
IPC: B23K11/00
Filed: 1945-08-30
Abstract: 601,400. Electric welding. CHICAGO METAL HOSE CORPORATION. Aug. 30, 1945, No. 22387. Convention date, Oct. 23, 1944. [Class 83 (iv)] Thin metal parts are edge welded in sequence a number of times along a predetermined margin by welding electrodes applied thereto, sufficient heat and pressure being applied by the welding tools during the final welding operation to reduce the weld margins to a thickness substantially no greater than that of the parent stock. The method is particularly applicable to work having a thickness of .01 inch or less. Two sheets 10, 11, Fig. 3, are superimposed and resistance welded by roller or like electrodes at a pre-determined distance from the edges of the sheets. The sheets are then gripped respectively by jaws 20, 21 and drawn apart so that their main body portions are substantially co-planar and the welded edges 16, 17 extend upwards at right angles. Cutters 30, 31 spaced from the sheets by an amount 33 of the order of <SP>1</SP>/ 64 ", sever the sheets along the body of the weld 15 forming new sheet edges, and the joint is then passed between roller electrodes 13, 14, Fig. 7, and further welded ; the pressure of the rollers causing the weld to be compressed into the plane of the sheets as shown at 40. The weld then has dimensions substantially the same as the thickness of the sheets. In a modification applicable to making tubes and the like a preformed sheet 50, Fig. 12, is of tube form with adjoining edges 51, 52 which are welded by roller electrodes and the weld severed by cutters along the line C-C. The joint is again passed between roller electrodes 64, 65, Fig. 18, arranged outside and inside the tube respectively and this last welding operation compresses the seam to a thickness substantially the gauge of the tube wall as shown at 68. A plug may be drawn through the tube to size the tubing and insure its circularity and finally the welded tube may be subjected to further working to comprise a flexible tubing, Fig. 20.
Patent GB-186317-A (GB)
Title: Improved cap and lining for pipes
IPC: B23K1/00
Filed: 1922-08-17
Abstract: 186,317. Keesing, H. M. Sept. 23, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Joints formed by molten metal or alloy.-In a device for connecting lead or composition pipes to iron or other pipes in which a nut 1 screwing on to the iron pipe coacts with a shoulder 6 on a connecting-piece 2, the other end of which is soldered to a lead pipe 3, the end of the piece 2 is formed with a taper coarse thread 4 which screws into the pipe 3 to hold the pipe and connecting-piece together whilst the solder is run into the joint. The end of the pipe 3 is preferably slightly belled out to facilitate entrance of the solder.
Patent GB-189216-A (GB)
Title: Improvements in or relating to sugar cane crushing mills
IPC: C13B10/06
Filed: 1921-08-24
Abstract: 189,216. Hinton, H. C., and Marsden, C. H. Aug. 24, 1921. Roller mills.-In a sugar-cane crushing mill, the rolls A are formed with intersecting right and left hand helical grooves A<2> of such crosssectional angle, exceeding 30‹ and preferably about 60‹, as to avoid clogging, the surface area ot tho portions A<3> between the grooves considerably exceeding the surface area of the portions removed in forming the grooves. The grooves A<2> serve as conduits for the escape of juice, and are preferably formed in addition to the usual narrow and shallow circumferential grooves A<1>. The rolls are preferably so mounted that the various points of intersection of the grooves A<2> in one roll come in turn opposite the centres of the portions A<3> of another roll.
Patent GB-503719-A (GB)
Title: Apparatus for indicating damage to pneumatic tyres
IPC: B60C23/06
Filed: 1938-07-29
Abstract: 503,719. Pneumatic tyres. HIRSCH, S. July 29, 1938, No. 22585. [Class 144 (i)] A device for indicating damage to a pneumatic tyre comprises a series of spring pressed feelers e normally spaced from the tyre and yieldably-mounted in a yoke c which is insulated from a back-plate i. On displacement of any of the feelers e, by the abutment of a projection such as d' at a defective part of the tyre, the corresponding stems are moved into contact with the plate i thereby closing an electric circuit by which a lamp k or other signal, on the steering-wheel or dashboard, is actuated.