baber/WOPTO huggingface dataset:
Patent GB-1396888-A (GB)
Title: Tubular members for use in connecting wc pans to soil pipes
IPC: E03D11/16
Filed: 1971-06-22
Abstract: 1396888 Pipe couplings PHETCO (ENGLAND) Ltd 24 July 1972 [22 June 1971] 29249/71 Heading F2G A tubular extension 10, for bridging the gap between a connector 20, for a w.c. pan outlet 23, and a soil pipe 21, includes two plain untapered portions, the narrower having external fins 14. The extension is preferably moulded in one piece from E.V.A. and portion 11 is marked to facilitate cutting to the required length. Detachable soft rubber sealing rings 17, 30 may be provided. Various forms of connector (35, Fig. 3, not shown; 46, Fig. 4, not shown), may be used in the upper end of of the extension.
Patent GB-688502-A (GB)
Title: Improvements in or relating to the generation of chlorine dioxide
IPC: C01B11/02
Filed: 1950-11-30
Abstract: <PICT:0688502/III/1> In a process for continuous or intermittent generation of chlorine dioxide by the action of sulphur dioxide on an aqueous solution of an alkali metal chlorate acidified with a strong acid other than a halogen acid, the concentration of the alkali metal chlorate in the solution is maintained at or below 0.6 mols/litre, preferably 0.1-0.5 mol/litre, by continuous or intermittent addition of alkali metal chlorate and strong acid. The acid concentration should be 1-5.5 mols/litre.  Aqueous sodium chlorate and aqueous sulphuric acid are continuously or intermittently introduced through pipes 11, 13 respectively into generator 10, which has a water cooling jacket to maintain the temperature at say 25-35 DEG C. Sulphur dioxide and air or other inert diluent gas are passed into generator 10 through diffuser plate 33 from pipe 30 and gas containing chlorine dioxide at a partial pressure of less than 300 mm. of mercury is withdrawn at 35.  Concentric vertical tube 34 is provided above diffuser plate 33 to obtain circulation within generator 10.  Liquor may be removed by 38, 39 to maintain a constant volume in generator 10 and the liquor may be either evaporated and cooled to recover sodium bisulphate, or neutralized with caustic soda or soda ash to obtain sodium sulphate, which is recovered by filtering or centrifuging.  Some of the liquor may be recycled through 40. Specifications 577,054 and 649,562 are referred to.
Patent GB-928778-A (GB)
Title: Improvements in or relating to aerial systems
IPC: H01Q21/20
Filed: 1961-08-15
Abstract: 928,778. Aerials. TELEFUNKEN PATENTVERWERTUNGS-G.m.b.H. Aug. 15, 1961 [Aug. 16, 1960], No. 29407/61. Class 40 (7). An all-round aerial system comprises radiators or groups thereof adjustably mounted in sections spaced round a pylon or tower. A hexagonal tower 1 carries dipoles 5, 51 maintained a fixed distance from reflectors 3 by feeders 4, 4<SP>1</SP>. The radial position of dipoles 5, 5<SP>1</SP> and reflector 3 may be adjusted by means of threaded bolts 6. The partitions 2 between sections may be metallic or partly metallized, 7, to act as reflectors. Aerials of different sizes for different bands may be stacked one above the other in the same sections.
Patent GB-647539-A (GB)
Title: Improvements in or relating to electro-acoustic transducers
Inventor: GAYFORD MICHAEL LAWRENCE
IPC: H04R1/40
Filed: 1947-11-05
Abstract: 647,539. Microphones. STANDARD TELEPHONES & CABLES, Ltd. Nov. 5, 1947, No. 29500. [Class 40 (iv)] In a microphone unit comprising a velocity type microphone and a pressure type microphone the microphones are mounted so that their axes normal to the vibratile elements are inclined at an angle not less than 10 degrees and not more than 50 degrees. As shown, the velocity type microphone is a ribbon microphone with magnets 1, 2 and polepieces 3, and is mounted above a moving- coil pressure type microphone 5, the axis of which makes an angle of 30 degrees with that of the ribbon microphone. At the lower audio-frequencies the response of the moving-coil microphone is omni-directional, whereas the ribbon microphone exhibits a polar response curve of figure-of-eight form with a phase difference of 180 degrees between the two halves of the eight. Thus if the outputs of the two microphones are connected so as to be in phase for one of the maximum response directions, the combined output will be a minimum in the opposite direction. At higher frequencies viz. 3000 c.p.s. and above the pressure microphone becomes directional and in accordance with known practice the output of the velocity microphone is filtered out and that of the pressure microphone alone is employed. Owing to the diffraction of sound waves of high frequency by the casing of the unit the polar response curve of the pressure microphone although more or less cardioid in form has a hump where the minimum response is required. By tilting the pressure microphone with respect to the velocity microphone this hump is directed away from the direction normal to the velocity microphone and one of the points of minimum response is arranged to occur in that direction. A screen 19 is mounted in front of the ribbon microphone to lower its response to air current noises, e.g. breath of a singer, and is extended downwards towards the moving-coil microphone. A baffle 21 is mounted in front of the moving-coil microphone such that the baffle 21 and screen 19 together partially compensate the complex interference and diffraction effects around the microphones and case. In another modification, Fig. 1 (not shown), the angle of tilt is 45 degrees and the screen and baffle are not provided.
Patent GB-965896-A (GB)
Title: Device for feeding flat articles into a packing machine
IPC: B65B57/14
Filed: 1963-07-25
Abstract: 965,896. Endless conveyers. SAPAL S.A. PLIEUSES AUTOMATIQUES. July 25, 1963 [July 28, 1962], No. 29515/63. Heading B8A. Light gates 9, 10 are arranged at the discharge end of an endless belt 1 and the feed end of an endless belt 2, fed by the belt 1. The distance between the gates is greater than the length (in the direction of conveyance) of each article 3, and switching is so arranged that the drive of the belt 1 is stopped when both light gates are each intercepted by an article. A stop 13 brings each article successively into correct alignment ready for it to be lifted up by mechanism (not shown) to a packing machine. Thus while an article is being aligned by the stop 13, a succeeding article is held up as soon as it is fed by the belt 1 into the gate 9. As soon as the leading article is lifted off the belt 2, the gate 10 is no longer obstructed and the belt 1 restarts and feeds the succeeding article on to the belt 2.
Patent GB-1235433-A (GB)
Title: A machine tool for holding gear wheel workpieces
IPC: B23F23/06
Filed: 1969-06-11
Abstract: 1,235,433. Chucks. CARL HURTH MASCHINEN - UND ZAHNRADFABRIK. 11. June, 1969 [30 July, 1968], No. 29519/69. Headings B3B and B3K. In a gear hobbing machine a workpiece 5 is held by the application of an axial force by a first holding means 14 which comprises an axially movable core which grips a workpiece, or a spigot 21 passing through the workpiece, to move it away from a second holding means 16. The core includes a collet 36 which grips the workpiece or spigot 21 and is operated by drawing it into a sleeve 30 that has an internally conical aperture. The sleeve 30 is displaced axially against resilient means 31 during axial clamping of a workpiece. The collet is pulled downwards by a device 43 to pull the workpiece against a spring-biased ejector 25 until it seats on surface 45 of abutment 24. The first holding means 14 is constituted by the end of the workpiece spindle of the machine. The end of the spigot 21 may include a widened portion behind which the collet 36 grips to form a positive grip therewith. In an alternative embodiment (Fig. 4, not shown) the workpiece comprises a number of gears integral with a shaft which is engaged by a spring-biased tailstock centre (52) at its top end and gripped by a collet (63) at its bottom end. The collet contains a spring- biased rod and ball (69), (70), (72) for centring the bottom end of the shaft.
Patent GB-425531-A (GB)
Title: Improvements in luggage carriers for cycles and other vehicles
IPC: B62J7/08
Filed: 1934-10-16
Abstract: 425,531. Vehicle luggage - carriers. GRAAF, J. VAN DE, 87B, Tollensstraat, Rotterdam, GAST, J., 8, Plasoord, Hillegersberg, and KRANENBURG, J. H. VAN, 3, Statensingel, Rotterdam, both in Holland. Oct. 16, 1934, No. 29556. [Class 103 (ii)] [See also Group XXXI] In luggage-carriers for cycles and other vehicles wherein elastic bands or cords are provided for securing the luggage to the carrier platform, the elastic bands &c. are fastened at one end to the carrier frame and pass through guides having outlets near the platform, so that they can be drawn up out of the guide, stretched over the luggage, and fastened by hooks and eyes or other devices, their free ends on release being adapted to engage the outlet ends of the guides to prevent complete withdrawal through the guide openings. As shown, rubber bands 3 are normally enclosed in the hollow stays 2 of a cycle carrier, their lower ends being fastened at 4, and their upper ends being provided with clasps 5, which, when the bands are drawn out over the luggage on the platform 1, are fastened together as shown, or are attached to fixed hooks &c. on the carrier. Alternatively, the stays 2 may be of channel form with the openings facing inwards, the bands 3 passing through eyes or loops near the top ; or separate guide casings &c. may be secured to the stays.
Patent GB-466600-A (GB)
Title: Improvements in curtain suspension and curtain reeving appliances
IPC: A47H5/032
Filed: 1935-10-26
Abstract: 466,600. Suspending curtains. FRENCH & SONS, Ltd., T., and FRENCH, G. F. Oct. 26, 1935, Nos. 29585/35 and 4207 /36. [Class 52 (v)] Curtain suspension means comprise a rail a having a single flat flange a<1> at its top edge and supported at its lower part by brackets c, sheet metal runners e to which the curtain is attached being supported on the flange a<1>. The runners have their upper parts hook-shaped as shown, so that they can be hooked horizontally on to the flange a<1> and then turned to the position shown, The part of the runner contacting the flange a' is curved longitudinally or alternatively is provided with a roller through which it contacts this flange and the part of the runner extending below the flange a<1> is also curved longitudinally or is cut away at the corners so that the runner can tilt longitudinally as well as transversely. A runner may be provided with slots in the back portion of the hook, as shown in Fig. 9, or with a screw gripping means e5, e<6>, Fig. 12, whereby the reeving cord is gripped and the runner becomes a master runner. A runner may be fitted with a scraw at its lower end adapted to contact with the lower edge of the rail so that the runner can then be used as an end stop. An arm adapted to carry the curtain may be secured to an end stop so that two adjacent curtains can be overlapped. A sliding overlap fitting, comprising a sheet metal arm having portions hooking over the rail and lying on both sides of the endmost curtain runner, may be provided. Arrangements for guiding the reeving cord are also described.
Patent GB-223762-A (GB)
Title: Improvements in or relating to suspension springs for motor vehicles
IPC: F16F1/18
Filed: 1923-11-24
Abstract: 223,762. Hodgson, H., and Wright, A. V. Nov. 24, 1923. Laminar springs.-The base or master leaf a of a quarter-elliptic spring is extended and turned back to leave a space for the insertion of ordinary auxiliary leaves b, the turned-back end of the leaf a being of substantially circular or C-shaped formation. This construction provides adequate resistance to front axle torque. An additional leaf may be supperposed on the upper portion of the master leaf.
Patent GB-265325-A (GB)
Title: Improvements in or relating to means for transferring or facilitating the transfer of package freight
IPC: B66C19/00
Filed: 1925-11-26
Abstract: 265,325. Fitch, B. F. Nov. 26, 1925. Vehicles with removable bodies. - To facilitate the handling and transfer of freight loaded in portable containers without breaking bulk, the containers 15 are fitted with ball castors or other means whereby they may be wheeled on and off a tray 35 which forms the transferable load platform of a motor vehicle. The tray is provided with walls high enough to obstruct the doors 16 of the container in transit. The side walls of the tray are hinged to serve as ramps for wheeling the container on and off. The underside of the tray is provided with channel tracks 40, 41 at right angles, to run on antifriction balls in the floor of a platform or station. Specification 266,461 is referred to.
Patent GB-602702-A (GB)
Title: Improvements in and relating to sheeting machines
IPC: B29D23/24
Filed: 1945-11-09
Abstract: 602,702. Roller sheeting - machines. WADDELL, A. A., and CAIRNS, J. Nov. 9, 1945, No. 30016. [Class 87(ii)] In a machine of the kind having a plurality of pairs of rollers and a tray over which the rubber coagulum &c. to be sheeted passes from one pair of rollers to another pair, one roller of each pair or one roller of a pair has one or more circumferential grooves or ribs, so that a ridge or groove will be formed on the underside of the sheet in its passage through the rollers, and the tray has a groove or ridge to engage the ridge or groove in the sheet, in order to centralise the sheet as it passes through the rollers. The machine shown comprises three pairs of rollers feeding a sheet from right to left. The first lower roller 4 has a groove 4 which forms a ridge on the sheet, this ridge being guided in a slot. 6 in the tray 5. Instead of a slot, the tray may have a groove. Ridges 11 on the tray assist centralisation of the sheet. Side flanges 10 are provided on the tray 5 and on another tray 9. The trays may incline downwardly in the feed direction, and are formed of stainless steel or other frictionminimising material.
Patent GB-731170-A (GB)
Title: Improvements in collapsible containers
Inventor: PARTINGTON JAMES
IPC: B65D25/14
Filed: 1952-11-27
Abstract: 731,170. Collapsible containers. DUNLOP RUBBER CO., Ltd. Oct. 22, 1953 [Nov. 27, 1952], No. 30035/52. Class 66. A collapsible container comprises a cylindrical flexible wall preferably comprising at least two plies 4, 5 of rubberized cord fabric the cords of one ply lying at an angle to those of the adjacent ply or plies, and end pieces fluidtightly connected to the ends of the wall 10 each end-piece comprising one or more plies of rubberized cord fabric 6, 6 or 8 and a stiff sheet of material 7, 9, e.g. of fibre compound, one end-piece 6 having a filling orifice 11, with a hard rubber bush 12 and a closure-member 16. Preferably the inner and outer surfaces of the container are each covered with a layer of vulcanized rubber 10.
Patent GB-617809-A (GB)
Title: Improvements in or relating to bearings of drafting rollers for spinning machines
IPC: D01H5/56
Filed: 1946-10-08
Abstract: 617,809. Powder metallurgy. MORGAN CRUCIBLE CO., Ltd., and WALMSLEY, J. Oct. 8, 1946, No. 30056. [Class 83 (iv)] [Also in Group XXXIV] Sintered metal inserts 10 ... 13 to be fitted in the bearing apertures 5 ... 8 for the drafting rollers 1, 2, 3, 4 of a textile spinning machine are prepared as follows, the proportions being by weight: (1) less than 1 per cent of graphite or stearic acid is added to a 90-10 mixture of about 150 inch mesh copper and tin powder, and the mixture is then pressed to shape at about 12 tons per square inch and subsequently heated to 750-850 ‹ C. in a reducing atmosphere, the inserts then being sized to the required dimensions and impregnated with lubricating oil. (2) A 200 inch mesh sponge iron powder is pressed to shape at 15 tons per square inch, heat treated in an atmosphere of cracked ammonia at 1000-1200‹ C. and then sized to the required dimensions and impregnated with lubricating oil. (3) A 70-10-10-10 mixture of copper, tin, graphite and lead powders is pressed to shape at 12 tons per square inch, sintered in a reducing atmosphere at 700- 800‹ C. and then re-pressed in a die until the product is substantially non-porous. This insert is self-lubricating.
Patent GB-726779-A (GB)
Title: Improvements in self-threading shuttles
Inventor: YOUNG DOUGLAS DRYDEN
IPC: D03J5/00
Filed: 1951-12-24
Abstract: 726,779. Loom shuttles. URQUHART LINDSAY & ROBERTSON ORCHAR, Ltd. Dec. 23, 1952 [Dec. 24, 1951], No. 30095/51. Class 142 (2). A self-threading device for a shuttle comprises an angle plate having one face 18 located in a groove 27 in the shuttle with an eye 19 in alignment with the cop, and the other face 17, substantially flush with a side face of the shuttle, formed with an eye 23. During the first pick after bobbin changing the weft is drawn into eye 19 by virtue of the direction of unwinding of the cop, and is locked therein by a tongue 21. On the second pick the weft is guided into eye 23 by a tongue 25 which also serves to retain it therein. The angle plate is detachable and made of steel, porcelain or a synthetic plastic.
Patent GB-174439-A (GB)
Title: An improved method of, and apparatus for, lubricating and cleansing coal gas exhausters
IPC: F04D29/06
Filed: 1920-10-26
Abstract: 174,439. Smith, J. Oct. 26, 1920. By lubricants other than grease or oil; cleaning surface lubricated.-Coal-gas exhausters are lubricated and cleansed by supplying a constant stream of gas liquor to the bearings and working parts. In the case of a rotary exhauster, the centre spindle a<1> is connected by a pipe b supplied by gravity from an overhead tank containing gas liquor, or the spindle may be connected by a branch pipe with the gas-liquor pump, the gas liquor being fed by a branch b<1> through a sightfeed lubricator d to the working parts and bearings. The pipe b is provided with a regulating- valve c. Similar arrangements to those illustrated are used for exhausters of the reciprocating type, the liquor being supplied into or through the cylinders, bearings, and working parts.
Patent GB-445943-A (GB)
Title: An improved flexible gasket for closing joints
IPC: G03B27/20
Filed: 1934-10-22
Abstract: 445,943. Joint - making packing. COOPER, E. E., and TROEDEL, A. T., 86, Bay Street, Port Melbourne, Victoria, Australia. Oct. 22, 1934, No. 30285. [Class 122 (iii)] [See also Group XX] A gasket comprises a soft rubber body portion 4 and three integral overlapping extensions 5, 6, 7 adapted to make contact with a surface to be sealed. In photographic printing apparatus the gasket is mounted in a frame 8 carrying a glass plate 11 on which the negative 10 is mounted. The frame is lowered on to a sensitized plate and a vacuum created in the space defined by the gasket causing the leaves 5, 6, 7 to adhere to the plate while the latter is held in contact with the negative and light applied.
Patent GB-1202798-A (GB)
Title: Concentrated, liquid dye preparations
Inventor: FREI ALFRED
IPC: C09B67/26
Filed: 1968-06-25
Abstract: 1,202,798. Direct dye compositions. SANDOZ Ltd. 25 June, 1968 [13 July, 1967; 22 March, 1968], No. 30315/68. Heading D1B. Liquid preparations of metal-free direct dyes of the azo series contain 1 part by weight of dye, 1 to 8 parts by weight of water and 0.5 to 5 parts by weight of an acid amide. The dyes may be mono- or dis- or tris-azo dyes, specified amides are urea, formamide, acetamide, ethyl urea, methyl formamide, y-butyrolactam and #-caprolactam. Paper may be dyed with these preparations.
Patent GB-484216-A (GB)
Title: Improvements in and relating to the steering gear of vehicles
IPC: B62D3/12
Filed: 1936-11-06
Abstract: 484,216. Rack steering - gear for vehicles. STEYR-DAIMLER-PUCH AKT.- GES. Nov. 6, 1936, No. 30324. Convention date, Dec. 19, 1935. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 8, 1937.] [Class 79 (v)] [Also in Group XXIV] In rack steering-gear the rack is mounted in bearing supports on each side of the pinion engaging the rack so as to be displaceable in the direction of its longitudinal axis, and resilient means are provided for maintaining the rack and pinion in engagement. Either the rack or pinion or both may be resiliently mounted. In the construction shown in the Figure, a pinion 3 engages a rack 1 slidably supported by rubber bushes 2, the pinion shaft 8 being mounted in fixed bearings. Modifications are described in which (1) the pinion shaft is mounted in rubber bushes, and (2) the pinion or the rack is urged towards the rack or the pinion by an adjustable spring.
Patent GB-1221568-A (GB)
Title: Apparatus for regulating liquid flow rates
Inventor: HILDEBRANDT HERBERT JOHN
IPC: A61M5/168
Filed: 1968-06-25
Abstract: 1,221,568. Automatic flow control. GENERAL ELECTRIC CO. June 25, 1968 [June 26, 1967], No.30337/68. Heading G3R. Electrical pulses produced in synchronism with each drop of liquid from a chamber initiate periods in which the timing of a pulse is compared with a reference and any error utilised to control the rate of drip. In Fig. 1, intravenous feeding fluid is supplied from a flask 11 to an injection needle 15 through a disposable kit including flexible tubing 13 and a drop chamber 17. A transistor oscillator 33 is coupled through capacitor plates 39, 40 on each side of chamber 17 so that constant width pulses synchronized with the drops are produced in a circuit 35. A desired rate of drip is set by adjusting a resistance-capacitor charging circuit 37 which is periodically discharged by a slightly delayed circuit 38 controlled by the drop pulses. Circuit 37 produces a saw tooth voltage of predetermined amplitude if the drops occur at the correct time instants. The amplitude of each saw tooth is compared with a voltage corresponding to the predetermined amplitude at 41 so that a signal corresponding to the sense of any error is produced at 43 and a signal corresponding to the magnitude of the error produced at 45. A single-shot multi-vibrator 53, triggered by each drop pulse, produces an output pulse having a length determined by the error magnitude signal from 45. This output pulse is applied through a gating circuit 51 to determine the period of operation of a switching transistor 27 or 29 selected by a flip-flop circuit 49 according to the sense of error signal from 43. A split-field synchronous motor 25 is thus caused to run for a period corresponding to the magnitude of the error in the appropriate direction to correct the error by adjusting a cam 23 which squeezes tube 13 against the action of a spring 19. Error pulses of less than a predetermined duration are unable to produce operation of motor 25 so that the system has an inherent dead band. The system may also be biased to produce a dead band of greater width. If the error becomes unduly large, e.g. following increase of the drip rate setting, control initiating pulses additional to those produced by the drops are produced by a circuit 47.