baber/WOPTO huggingface dataset:
Patent GB-258348-A (GB)
Title: Improvements in gas producer or generator
IPC: C10J3/34
Filed: 1925-06-17
Abstract: 258,348. Steere, F. W. June 17, 1925. Charges, agitating.-In a producer having an air or steam supplied poker member adapted to be introduced into the fuel bed means are provided for simultaneously operating one or more movable grate members. The gas producer 1 has an air-tight ash-pit 9 supplied with air or steam under pressure through a pipe 13 directed towards the ash shoot 11. The grate comprises a series of alternately arranged fixed and movable rings 13<a>, 14 carried bv a framework 15 which allows of vertical movement of the rings 14. Poker members 22 extend loosely through the movable rings 14 and are carried by a spider 21 fixed to the piston rod 18 of a piston 17 reciprocating in a cylinder 16 supplied with fluid under pressure pipes 19. Heads 23 on the pokers 22 engage the rings 14 to move them downwardly at the lower end of the stroke of the piston 17 while shoulders 24 on the poker engage the rings and move them upwardly into the dotted line position at the upper end of the stroke. The central poker member 25 is formed hollow and steam or air from the ash-pit passes through holes 26 in its base to issue through a discharge opening 27 at its end. Fig. 6 shows a modification in which the grate comprises a series of rotatable toothed bars 41 geared together by intermeshing gears 42, and the single central poker member 29 comprises a shell having a rounded upper end 29a to which is fixed a piston moving in a vertical cylinder 30 supplied with pressure fluid through pipes 34. The shell 29 is provided with external ribs 38 and a series of holes 39 below each rib through which air or steam from the ash-pit 9 may escape into the furnace when the poker is in the raised position shown dotted. A link 44 pivoted to the poker at 45 is connected with an arm 43 on one of the grate bars 41 so that up and down movement of the poker causes rocking movement of the grate bars.
Patent GB-529323-A (GB)
Title: Improvements in methods and mechanism for winding artificial silk
IPC: B65H54/52
Filed: 1939-05-26
Abstract: 529,323. Winding yams; artificial silk. BARMER MASCHINENFABRIK AKT.-GES. May 26, 1939, Nos. 15785, 15786 and 15787. Convention dates, May 27, 1938, Nov. 18, 1938 and April 19, 1939. [Class 120 (ii)] [Also in Group IV] Artificial silk yarns or threads, particularly fresh spun yarns or threads, wound on a stationarily mounted positively driven rotating bobbin by a reciprocating thread guide, pass from the thread guide over part of the surface of a movably mounted rotating roller and directly from the surface of the roller to the winding surface of the bobbin which frictionally drives the roller. As shown the thread 1 passes from the traversing guide 2 to the surface of a roller 3 resting against the bobbin 5 and pivotally mounted by a support 4. The support for the guide may be pivotally mounted so that the guide contacts with the surface of the roller. The thread guide and roller may be arranged so that the thread contacts with the roller over an arc subtending an acute angle. Specification 403,809 is referred to.
Patent GB-1197022-A (GB)
Title: Transverse Flow Blowers having Controlled Secondary Flows
IPC: F04D17/04
Filed: 1968-04-02
Abstract: 1,197,022. Pneumatic conveyers. SINGER CO. 2 April, 1968 [19 April, 1967], No. 15822/68. Heading B8A. [Also in Division F1] A pneumatic conveyer comprises a transverseflow blower having an impeller 32 generating a primary air flow from an inlet 28 to a discharge 30, the solid particles to be conveyed being introduced into a secondary air flow induced into a secondary inlet 46 by the primary air flow. A control vane 44 which directs the primary and secondary flows to the discharge 30 prevents contact between the secondary flow and the impeller 32 so that conveyed particles such as grain are not damaged and the conveyance of abrasive particles does not damage or excessively wear the impeller.
Patent GB-1136872-A (GB)
Title: Improvements relating to clutches
IPC: F16D25/08
Filed: 1967-04-06
Abstract: 1,136,872. Controlling clutches. SCHOTTELWERFT JOSEF BECKER K.G. 6 April, 1967 [26 April, 1966], No. 15876/67. Heading F2L. In a fluid, e.g. hydraulic, pressure released, spring engaged, multi-disc friction clutch, the release fluid pressure acts on a non-rotatable annular piston 38a sliding in a cylinder 35 formed in the stationary clutch housing 30, to move a member 38 acting through a thrust bearing 39 on pressure pins 43 to move pressure plate 7 against clutch engaging springs 10. The piston 38a may be made of plastics, e.g. polyamide, or may be formed integral with member 38 which is prevented from rotating by guide pins 40 in the stationary housing. The clutch release fluid pressure is fed via conduit 50 from a pump or by a master piston and cylinder arrangement. To facilitate formation of the cylinder 35, the housing may be formed of two parts 33, 34. As shown, the clutch connects a driving shaft 23 through a known flexible coupling 21 and a sleeve 15 to a driven shaft 1, outer clutch discs 12 being splined to a member 16 bolted to sleeve 15, and inner clutch discs 3 being splined on a member 2 keyed at 4 to shaft 1. Lubrication of the discs takes place by the clutch bell dipping into the oil sump, oil spray being collected by cups 45 and conducted through bores 46, return connections 47, bearings 29, between shaft 1 and housing member 33, through longitudinal grooves 44 in pressure pins 43, and by centrifugal force out between the discs.
Patent GB-1024757-A (GB)
Title: Earth moving scraper
IPC: E02F3/64
Filed: 1964-04-16
Abstract: 1,024,757. Earth-moving bowl scrapers. J. H. WILMOTH & H. L. WILMOTH. April 16, 1964 [April 29, 1963], No. 15900/64. Heading E1F. An earth-moving bowl scraper driven by a prime mover comprises a mobile frame in which is mounted an annular reel supported on pivoted arms, which rolls over the earth and has vanes for elevating earth into a hopper having a scraper blade until the hopper is full, whereafter earth is carried further round and discharged into a bowl. The elevation of the blade 62 is adjustable by a ram and its proximity to the reel is controlled by a ram. The bowl is tipped for discharge by actuating a ram.
Patent GB-954634-A (GB)
Title: Apparatus for controlling the temperature of a work piece being heated by a heating device
IPC: G01J5/24
Filed: 1960-05-05
Abstract: 954,634. Measuring thermal radiation. COPPERWELD STEEL CO. May 5, 1960 [May 25, 1959], No.15910/60. Heading G1A. [Also in Division G3] A workpiece 15 whose temperature is to be controlled is heated by an induction coil 32 energized from a generator 29, radiation from the workpiece being intercepted by a detector comprising a chopper 12 surface of which acts as a temperature reference source, a window 19 e.g. of arsenic trisulfide glass which is transparent to infra-red radiation between about one and ten microns, and a bolometer cell 16, supplied with D.C. from a power supply 22, which converts the signal received through the window 19 into an alternating voltage signal which is fed to an amplifier 20 the output of which is rectified by a doubler circuit 56 associated with a galvanometer 21 indicating the temperature of the workpiece 15. The output from the circuit 56 is fed to two magnetic amplifier stages 23, 24 and thence to a saturable reactor 25 which controls the D.C. supply to the field winding 30 of the generator 29; if the workpiece temperature varies, the resulting variation in field current changes the output of the generator and the heating action of the coil 32. The temperature of the workpiece 15 thus tends to remain constant.
Patent GB-354878-A (GB)
Title: Improvements in and relating to temperature controlling devices
IPC: F16K31/68
Filed: 1930-05-23
Abstract: 354,878. Thermostats. CHAPMAN, F. W., 14, Gonville Road, Thornton Heath, Surrey. May 23, 1930, No. 15954. [Class 64 (ii).] A thermostatic capsule is filled with expansible fluid at the temperature at which it is desired to operate so that the flexible sealing diaphragm is unstressed at the moment of operation. In the application to a gas-heated water heater, the gas passing through the pipe 1, 3 to the burner is controlled by the diaphragm 8 over the end of a longitudinally adjustable nozzle 5 provided with a locknut 6. A capsule 9 is immersed in the water in the heater and is filled with water at the desired operating temperature before the closing cap 13 is applied. At normal temperatures the diaphragm 8 is deflected inward as shown, and a space 14 is left in the capsule. On a rise in temperature, the water first fills the space 14 and then on further expansion allows the diaphragm to return to its unstressed position, at which it is preferably flat, so that it closes the outlet of the nozzle 5.
Patent GB-806999-A (GB)
Title: Improvements in or relating to apparatus for differentially tempering glass sheets
IPC: C03B27/052
Filed: 1957-05-20
Abstract: 806,999. Tempering glass. MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE ST. - GOBAIN, CHAUNY & CIREY, S.A., DES. May 20, 1957 [May 18, 1956], No. 16003/57. Class 56. A blowing chest for differentially tempering glass sheets is subdivided into a main chamber 3 and at least one subchamber 6, each chamber having some of the tempering air nozzles 4 opening thereinto, with controllable means 7 ... 11 for permitting air to flow from the main chamber into each sub-chamber at a variable pressure. Pressure gauges 12, 13 are provided and may be combined with means for maintaining a desired ratio between the pressures.
Patent GB-529423-A (GB)
Title: Improvements in girdles for pneumatic tyres of road vehicle wheels
IPC: B60C27/08
Filed: 1939-05-31
Abstract: 529,423. Wheel tyres. KENNEDY, D. S., and DENNISON. F.. A. May. 31, 1939, No. 16026. [Class 144 (ii)] A tread band consists of a series of hinged shoes each comprising a tread member (such as a twisted metal strip a, Fig. 2, of the kind described in Specification 465,639, or rubber blocks k in metal carriers k<SP>1</SP>, Fig 6), secured to spring-metal yokes a<SP>1</SP> shaped to straddle the tread and side-rails of the tyre c. Plates d are secured to the underside of the yokes a<SP>1</SP> to provide bridge-connections d<SP>1</SP> for the links i. At one or more places, the rigid links i may be replaced by tension-devices each comprising a casing b, Fig. 4, and bolts c resepectively hinged to adjacent yokes, springs h being fitted around the bolts c as shown.
Patent GB-473674-A (GB)
Title: Improvements in or relating to cathode ray tubes
IPC: H01J31/12
Filed: 1936-04-18
Abstract: 473,674. Cathode-ray tubes. ZEITLINE, V., ZEITLINE, A., and KLIATCHKO, V. April 18, 1936, No. 16051/37. Convention date, April 19, 1935. Divided out of 473,893. [Class 39 (i)] Two auxiliary electrodes are arranged adjacent and beyond the forward edges of a pair of electrostatic deflection plates and are connected each to the opposite deflection plate, and one deflection plate is maintained at a constant potential. As shown, two semi-discs 14,a 14b are arranged beyond the plates 4, 5. The semi-disc 14b is connected to the plate 4 and to the anode 3, and the disc 14a to a tap on a potentiometer 22 across which the deflecting voltage, applied to the plate 5, is impressed. A set of semidiscs may be associated with each pair of deflecting plates, or one set may correct for the errors of two pairs if it is cross-connected to one of them and its diametral gap is arranged at an angle to the plane of either plate. The arrangement is stated to prevent deformation of the fluorescent spot due to the edge-effect of the plates. Specification 449,245 is referred to.
Patent GB-424958-A (GB)
Title: Improvements in and relating to electric translating systems
IPC: H02M7/06
Filed: 1933-06-02
Abstract: 424,958. Gear - cutting. LIBECK, A., 209, Boulevard Davout, Paris. June 1, 1933, No. 15852. Void [Abridged as open to inspection under Sect. 91 of the Acts, Dec. 4, 1933]. [Class 83 (iii)] In a machine for broaching straight or helical gears or other profiled work pieces; the blanks 3 are mounted on the piston rod 2 of a hydraulic cylinder 1 and are passed through a succession of cutters 7 mounted within a cylinder 8 secured by rods 9 to the cylinder 1. Guide members 4, 5 mounted above and below the blanks are provided with a number of teeth 10 which engage recesses 11 in the cutters, Fig. 6. A cylindrical member 12 below the blanks, engages, after the blanks have entered the cutter in a guide 13 and then slides over the rod 2 to provide additional guidance for the work. In a modification, Fig. 7, for cutting helical gears the teeth of the cutters are set at the required helix angle and the member 13 and cutters have grooves 16 engaged by corresponding teeth 15 on upper and lower guide members 4a, 5a. The blanks 3 and the guide members are keyed to the spindle 2 and the cutters with the guide 13 are rotated within the cylinder 8 during the passage of the blanks. In a modification, the cutters may be fixed and the blanks free to rotate so that they move in a helical path during the cutting.
Patent GB-219958-A (GB)
Title: Improvements in furnaces for heating rock drills and the like
IPC: C21D9/22
Filed: 1923-10-11
Abstract: 219,958. O'Donovan, D. S. Aug. 2, 1923, [Convention date]. Metal-heating furnaces.-A furnace for heating rock drills is formed with a long flue 5, in which are arranged a number of open ended muffles 6 extending transversely into the flue and heated to progressively increasing temperatures from one end of the series to the other. Alternatively a single long muffle may be used, and in 'both cases the drills are advanced gradually to the zone of highest temperature. Two sets of muffles may extend into the flue from opposite sides of the furnace, and escape of heating-gases around them is prevented by asbestos packing and fire-clay luting. The muffles 6a for preliminary heating may be of the elongated cross-section shown; alternatively, muffles of this section may be used throughout the furnace.
Patent GB-464661-A (GB)
Title: An improved oil filter
IPC: B01D27/02
Filed: 1936-06-10
Abstract: 464,661. Filters. NICHOLSON, E. P. June 10, 1936, No. 16201. Convention date, June 17, 1935. [Class 46] An oil filter comprises layers of cellulose 4 and cotton-wool 5, separately pressed into position around a perforated outlet pipe 3. The layers may be impregnated with infusorial earth. There may be an outer layer 10 of infusorial earth and the perforations in the pipe 3 may be covered with gauze 9. A bar or wire 11 passing through the pipe 3 keys the inner filtering-material in place.
Patent GB-767272-A (GB)
Title: Improvements in or relating to apparatus for the distribution of solids
Inventor: POMERANCE ISRAEL
IPC: A01C15/00
Filed: 1953-06-12
Abstract: 767,272. Manure distributers. ROBOT AGRICULTURAL MACHINERY CO., Ltd. June 14, 1954 [June 12, 1953], No. 16214/53. Class 6(1). In a distributer for solids, e.g. fertilizers, a boom 4 mounted on a vertical pivot 3 on a frame 1 carries a hopper 8 and a delivery device, such as a conveyer belt, receiving solids from the hopper. A shaft which drives the delivery device projects from the inner end of the boom at an angle to the longitudinal axis of the latter, and has a dog-clutch 5 or the like on its projecting end. This clutch can engage a co-operating clutch 5a on a power-drive gearbox 6. In the form shown, the frame 1 is removably mounted on bars 2 on a tractor, and carries two booms, which can be moved from laterally extending working positions to forwardly extending positions when the tractor is being manoeuvred. Specification 767,271 is referred to.
Patent GB-576589-A (GB)
Title: Improved connector for ceramic condensers
IPC: H01G4/228
Filed: 1943-10-05
Abstract: 576,589. Condensers. RAHT, M. Oct. 5, 1943, Nos. 16312 and 21210. [Class 37] [Also in Group XXII] A tubular connector is secured to the metallised surface of a ceramic condenser &c. by providing a groove or channel for the reception of a fillet of solder, adhering both to the tubular part and to the metallic face of the ceramic body. Thus, in the figure, a strip 7 is secured to a ring Range 5, which may be serrated, formed on a tubular connector 4 of a cylindrical condenser, solder filling the groove or channel between the flange and the coating. A cylindrical connector 8 is sprung into contact with the inner coating and forms a channel, with the metallised edge of the ceramic dielectric, for a solder fillet 9.
Patent GB-1140629-A (GB)
Title: High-speed character belt printer
IPC: B41J1/20
Filed: 1967-04-11
Abstract: 1,140,629. Selective printer. FRIDEN Inc. 11 April. 1967 [31 May, 1966], No. 16417/67. Heading B6F. Endless belt printers; positive letter-spacing.- A high-speed printer comprises an endless character belt 12 mounted together with an imprinting hammer 14 on a carriage 10 movable in letter-space direction at a constant speed. The hammer is operated by an electromagnet at the required moment when a selected character passes the printing position. This is detected by coincidence of an incoming signal and signals sensed from equally spaced apertures in the character belt. The belt 12 is counterclockwisely driven from pulley 22, belt 40 and a motor 36 mounted in the carriage. Carriage drive for letter-spacing.-The carriage 10 is guided along the printing line by a channel 25 and driven by a carriage drive 16 rotating a threaded shaft 18. Carriage-return; carriage release.-Rotation of the shaft 18 tensions a spring 27 which returns the carriage to the beginning of a line when a detent on the carriage, which engages the shaft 18, is released.
Patent GB-1368050-A (GB)
Title: Movable machine propelled by a stepping mechanism
IPC: B62D57/00
Filed: 1973-04-06
Abstract: 1368050 Propelling vehicles FRIED KRUPP GmbH 6 April 1973 [7 April 1972] 16620/73 Heading B7H  A machine is propelled by a stepping mechanism in which a platform 3 is supported by several hydraulically operated stepping legs 1 which are resiliently supported to be allowed freedom of movement in a transverse direction perpendicular to the direction of travel 1a of the machine. As shown the stepping leg 1 is connected by ball joints to the foot 2 and platform 3 and the leg 1 is actuated in the stepping direction by an hydraulic cylinder 5. Two hydraulic cylinders 6 provided on the leg 1 slide with their supporting buttons 8 on the structure 7 during the stepping movement to provide the resilient support. Springs may be used as an alternative resilient support which may further be mechanically and/or hydraulically adjustable with the forces occurring in the support being measurable. The stepping mechanism may be put out of operation in response to the resilient support being subjected to a selected maximum stress.
Patent GB-1460585-A (GB)
Title: Acylacetanilide derivatives as colour couplers for yellow
IPC: C09B55/00
Filed: 1973-04-06
Abstract: 1460585 Acylacetanilide colour couplers AGFA-GEVAERT 20 March 1974 [6 April 1973] 16625/73 Heading C2C [Also in Division G2] Novel yellow-forming colour couplers are acylacetanilide compounds wherein the phenyl nucleus of the anilide group carries an optionally substituted aryloxysulphonyl group together with a halogen or alkoxy group. The couplers are preferably of the formula wherein R represents alkyl or optionally substituted phenyl, X represents hydrogen or a substituent that exhibits 2-equivalent character on colour development, Ar represents an optionally substituted phenylene group, which group is substituted with halogen or alkoxy and Y represents an optionally substituted carbocyclic aryl group (e.g. phenyl optionally substituted with one or more alkyl, cycloalkyl, hydroxy, halogen, alkoxy, alkylthio or alkylsulphonyl groups).  The acylacetanilide colour couplers are prepared by reaction of the corresponding acylacetic acid esters (e.g. benzoyl acetic acid esters) with the corresponding aryloxysulphonyl aniline. The latter are obtained by reaction of a nitrobenzene sulphochloride with a phenol or naphthol followed by catalytic hydrogenation or by reaction of an acetylaminobenzene sulphochloride with a phenol or naphthol followed by deacetylation.
Patent GB-278096-A (GB)
Title: Improvements in or relating to couplings between prime movers and dynamo electric machines
IPC: F16D33/00
Filed: 1926-07-03
Abstract: 278,096. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. July 3, 1926. Driving-arrangements.-An hydraulic clutch is included in the coupling between a synchronous dynamo-electric machine and a prime-mover; in normal conditions, the coupling acts in the usual manner to give a direct drive, but when it is required to start the machine for synchronous condenser operation, the hydraulic clutch is brought into action so that the synchronous machine subsequently can be disconnected from the prime-mover. The coupling comprises a muff 11 keyed to the prime-mover shaft 10 and co-operating with a muff 20 on the alternator shaft 21. The outer member 13 of a double hydraulic clutch is bolted to the muff 11 and the inner member 24 of the clutch is keyed to the muff 20. Normal drive is effected through bolts 17 on flanges 16, 19 formed respectively on the clutch part 13 and the muff 20, and a spacing ring 23, preferably made in parts, is inserted between the flanges. When it is required to start the alternator for synchonous condenser operation, the bolts 17 and the spacing ring 23 are removed, and oil under pressure is fed to the clutch through a pipe 25, jets 26, an annular channel 27 and ducts 28, in the muff 11. The oil is discharged from the clutch through an annular duct 29 and small ducts 32 in The outer part 13. After the machine has been synchronized, the supply of oil to the pipe 25 is cut off. If it be desired to dismantle the prime-mover, the outer part 13 of the clutch may be supported on a cradle. In a modification a flexible member is provided between the muff 11 and the outer part of the coupling. To facilitate starting the set, oil under pressure may be supplied to the bearings of the synchronous machine. Specification 18864/06, [Class 69, Hydraulic machinery &c.], is referred to.
Patent GB-546883-A (GB)
Title: Lens hoods for photographic cameras
IPC: G03B11/04
Filed: 1941-12-30
Abstract: 546,883. Hoods for photographic lenses. KODAK, Ltd. Dec. 30, 1941, No. 16801. Convention date, June 19. [Class 98 (i)] A collapsable lens hood comprises a bellows - like member formed of cylindrical folds 14, 15 connected by hinge portions 19 to frusto-conical folds 16, 17 which move through dead centre positions when the hood is being expanded or collapsed, so rendering it stable in either position. The hood is formed of a single piece of rubber or other flexible material, the frusto-conical folds being preferably thicker than the cylindrical folds, and the hinge portions being the thinnest. In order to render the hood stable when collapsed, a confining ring 22 may be inserted in a groove surrounding the fold 14, and a mounting ring 26 engages an end flange portion 18.