baber/WOPTO huggingface dataset:
Patent GB-1436796-A (GB)
Title: Gas turbine ducted fan engines of multi-shaft and multi-flow construction
IPC: F02K3/077
Filed: 1973-08-16
Abstract: 1436796 Gas turbine ducted fan engines MOTOREN-UND TURBINEN-UNION MUNCHEN GmbH 16 Aug 1973 [22 Aug 1972] 38863/73 Heading F1J A gas turbine ducted fan engine is of multishaft and multo-flow form, the hot gas stream of the core engine being surrounded by two fan airstreams, the jet velocities of the three streams decreasing radially outwardly. The engine shown in Fig. 1 comprises a first fan 1 which supplies air to an outer fan duct 15, a second fan 5 which supplies air to an inner fan duct 12, and an HP compressor 7 which supplies air to combustion equipment 10 gases from which pass to HP turbine 9 which drives the HP compressor 7 and second fan 5 through outer shaft 4, then to the LP turbine 3 which drives the first fan 1 through inner shaft 2, the turbine exhaust gases then discharging through innermost duct 10<SP>1</SP>. The first fan 1 comprises a flow splitter 17 and fan blades 14, the inner part 18 producing either no compression on the air-flow or only low compression. The blades 6 of the second fan are formed as extensions of the first blades of the HP compressor. In Fig. 2 a three-shaft system is utilized, the HP turbine 19 driving the HP compressor 23 through shaft 24, the IP turbine 20 driving the LP compressor 22 also the second fan 5 through shaft 21, and the LP turbine 3 driving the first fan 1 through shaft 2. In Fig. 4 the HP turbine 19 drives the HP compressor 28, the IP turbine 20 drives the LP compressor 26 and the LP turbine 3 drives the second fan 5 also, through reduction gearing 30, the first fan 1.
Patent GB-1325054-A (GB)
Title: Sea-wave shock-absorbing means for watercraft
IPC: B63B1/40
Filed: 1970-08-12
Abstract: 1325054 Absorbing sea-wave shocks on a hull C LOVERDOS-STELAKATOS 12 Aug 1970 [13 Aug 1969] 38901/70 Heading B7S A compressible cushion 1 fixed to the hull 2 of a watercraft comprises a shock absorbing arrangement against the effect of sea-waves on the hull. The cushion is covered with a waterproof outer-covering part at least of which is flexible forming a watertight construction.
Patent GB-889797-A (GB)
Title: Improvements in or relating to valves for controlling the flow of a gas
Inventor: ACTON JOHN REGINALD
IPC: H01J9/395
Filed: 1957-12-14
Abstract: 889,797. Liquid-seal valves. ERICSSON TELEPHONES Ltd. Dec. 9, 1958 [Dec. 14, 1957], No. 38954/57. Class 135. A glass chamber 1 has a gas inlet tube 2 and an outlet tube 4 connected to an auxiliary chamber 3 having an outlet tube 6 closed by a porous plug 7. The tube 4 contains a quantity 8 of mercury and is also closed by a porous plug 5. The chamber 1 also contains a quantity of mercury 12 the level of which is determined by the position of an elongated annular member 13 which is controlled by a magnet (not shown). In the position shown, gas from the inlet 2 is unable to pass to the tube 4. If the member 13 is displaced upwardly until the level of the mercury 12 falls below the porous plug 5 gas from the inlet tube 2 can pass via the plug 5, the tube 4, the chamber 3 and the plug 7 to the outlet tube 6. The mercury 8 prevents reverse flow of gas. The arrangement may be used in the filling of gaseous discharge devices. In the Provisional Specification there is described liquid-seal valves in which mercury is only on one side of a porous plug.
Patent GB-1269111-A (GB)
Title: Improvements in hopper feeding machines
Inventor: WHITTAKER JACK DEARDEN
IPC: D01G23/00
Filed: 1969-08-05
Abstract: 1,269,111. Endless conveyers for textile fibres. GREENBANK ENG. CO. Ltd. 11 June, 1970 [18 June, 1969; 5 Aug., 1969], Nos. 30801/69 and 39037/69. Heading B8A. Textile fibres are fed from a conveyer belt a3 to a belt b by an inclined belt A, the fibres being stripped from the belt A by the action of air jets D, D<SP>1</SP>. The jets are produced by nozzles which can be adjusted (Fig. 6, not shown) so as to be directed in a range of angles recommended in the Specification. Further stripping is effected by applying suction to a trough b<SP>1</SP>. This is connected to the input of a blower feeding the jets D, D<SP>1</SP>, the fibres being filtered out at (b3) (Figs. 4 and 5, not shown). Reciprocating combs C operate to prevent bunching of the material on the belt A.
Patent GB-1327343-A (GB)
Title: High pressure mercury vapour discharge electric lamp
IPC: H01J61/22
Filed: 1971-08-20
Abstract: 1327343 Discharge Iamps ITT INDUSTRIES Inc 20 Aug 1971 [27 Aug 1970] 39151/71 Heading H1D A high pressure mercury vapour discharge lamp contains at least one alkali halide, a mercury halide, a caesium halide, and one or more metals from the group including yttrium, thorium, magnesium, hafrium, aluminium, and the rare earth metals. Detailed examples are given.
Patent GB-978467-A (GB)
Title: Improvements in and relating to a milling cutter
IPC: B23C5/18
Filed: 1961-11-02
Abstract: 978,467. Milling-cutters. ATELIERS DE FABRICATION D'OUTILLAGE FABOR. Nov. 2, 1961 [Dec. 3, 1960], No. 39330/61. Headings B3B and B3K. A milling cutter with inserted blades comprises a number of angularly adjustable units 1a, 1b 1c mounted on a common mandrel 5. The teeth on each unit are staggered relatively to each other and may be inclined in either direction as shown in Figs. 4, 5 and 6. The units have recesses 7 and projections 8 to interengage. The splined mandrel also carries a driving collar 13 and is held in a shank 16 by a threaded draw-bar 19. A profiled cutter may be built up using different units.
Patent GB-1173281-A (GB)
Title: Improvements in or relating to a System and Apparatus for Improving the Contrast of Analogue Density Patterns, such as Printed Character
IPC: G06V10/88
Filed: 1965-09-15
Abstract: 1,173,281. Uses of photochromism. NATIONAL RESEARCH DEVELOPMENT CORP. 15 Dec., 1966 [15 Sept., 1965], No. 39435/65. Heading C4S. [Also in Divisions G2 and G4] The contrast of a pattern is enhanced by isolating chosen spatial frequency components thereof, by producing a diffraction pattern image of the object pattern, the latter pattern being in the form of a transparency disposed in a beam of collimated light, a light stop with an annular pass aperture being disposed in the image beam. In Fig. 9, in order to obtain the difference between the intensity of a character (or other pattern) at a spot thereof and the average intensity of an annular region surrounding the spot, monochromatic light from a laser or mercury lamp S is collimated and passed through a transparency O of the character to produce via lens L3 a Fraunhofer diffraction pattern of the character on a stop P1 having an annular aperture ST. Light passing through the aperture ST is focused on means 14 which may be a photographic plate, or T.V. camera tube or electron-image storage tube in a character recognition apparatus. The transparency O may be obtained as a sheet of photochromic material on to which the character is projected by a projection device and a half-silvered reflector in a preliminary step, Fig. 10 (not shown).
Patent GB-1247907-A (GB)
Title: Improvements in or relating to ground-heating and/or drying apparatus
Inventor: MILLAR PETER JOHN
IPC: E01H5/10
Filed: 1968-08-19
Abstract: 1,247,907. Snow clearing apparatus; heating road surfaces. P. J. MILLAR. 14 Aug., 1969 [19 Aug., 1968], No. 39514/68. Heading E1G. [Also in Division A6]  Snow or water is removed from a games pitch, road &c by circulating hot gas through an open-bottomed shroud which is towed or winched thereover, the gas being circulated by a fan within the shroud. As shown the shroud comprises a train of six units 2 spring-supported on wheeled chasses 20 and provided with a heater 16, fan 12, and exhaust pipe 18, each unit comprising a rigid, preferably insulated top wall 4, flexible side walls 8 and a flexible central partition 10 defining a gas circulation path. The units 2 are connected by hinges 6, while the chasses 20 are connected by links 22. The exhaust gases may be used to preheat the heater intake, means then being provided to collect the condensate. A snow deflector plate may be mounted on the front of the apparatus. Each flexible side wall comprises a curtain of spaced slotted strips suspended from a channel 42 and threaded on a thin longitudinal cord-reinforced central sheet and on inner and outer depending sheets 54.
Patent GB-1525017-A (GB)
Title: Steam reforming and methanation catalysts methods of making them and processes for the production of fuel gases
IPC: B01J23/755
Filed: 1975-09-29
Abstract: 1525017 Steam reforming catalysts BRITISH GAS CORP 19 July 1976 [29 Sept 1975] 39724/75 Heading B1E [Also in Division C5] Catalysts comprise calcined, coprecipitated nickel and alumina, the nickel content of the unreduced, calcined catalyst being 50-65%, the sodium content is 0-0.1%, the potassium content is 0-0.43% and the total amount of sodium and potassium does not exceed 0.011 g-atoms/100g of catalyst, the water loss being not more than 11.2 when the combined sodium and potassium content is not greater than 0.05 wt. %. The water loss being defined as the percentage loss of weight, based on the original weight, of the catalyst precursor between 150 and 270C when heated at a rate of 15C/min in a dry stream of inert gas at ambient pressure.
Patent GB-1442026-A (GB)
Title: Underbowl and associated container for plants
IPC: A01G9/04
Filed: 1974-09-12
Abstract: 1442026 Underbowl and plant pot BAYER AG 12 Sept 1974 [12 Sept 1973] 39797/74 Heading A1E An underbowl has at least one stud 12, which is press-fitted into a corresponding opening 15 in the base 14 of a pot 13 having apertures 18 to allow water to pass from the underbowl to the pot. The underbowl and pot have rims 16 and 17 which improve rigidity of both containers and enable several pots or underbowls to be rested. The opening 15 may be in the centre of base 14 and the pot rotatably mounted, or, for tall plants, three studs can be arranged at the apices of an equilateral triangle. The holding force of the stud is greater than the downward force due to the weight of the underbowl. The stud has between one and five slits arranged perpendicular to the underbowl's base, and the stud's holding force may be varied by altering the number of these slits. An array of pots may be arranged in a single underbowl.
Patent GB-1025386-A (GB)
Title: Improvements in and relating to floor covering
Inventor: FORRESTER DANIEL CARRIGAN
IPC: D06N7/00
Filed: 1962-10-22
Abstract: A floor covering comprises, a base layer formed of a mixture of powdered material, e.g. cork or wood flour, and oxidized oil, with or without the addition of resins, whiting, gums or other materials or fillers, a fabric interlayer, e.g. hessian, and a surface layer or coating or vinyl resin, e.g. P.V.C. a levelling layer or coating or vinyl resin may be interposed between the surface layer or coating and the fabric.  The vinyl resin may be transparent and the fabric provided with a design; alternatively the surface layer or coating may be pigmented.  A suitable adhesive for bonding the fabric to the surface or levelling layer or coating is an aqueous dispersion of a copolymer or 30% butadiene and 70% methyl methacrylate, when a levelling coating is used, the surface layer or coating is applied after the levelling coating has gelled, and bonding effected by hot pressing.  The vinyl resin may contain a plasticiser, stabilizer and filler, and the surface coating may be applied by block or roller printing. The product is flexible and may be rolled.
Patent GB-948009-A (GB)
Title: Improvements relating to releasable pipe couplings
IPC: F16L37/02
Filed: 1960-11-18
Abstract: 948,009. Pipe couplings. K. SANER. Nov. 18, 1960, No. 39821/60. Heading F2G. A releasable pipe coupling comprises a supply member 1, a delivery member 15 which can be pushed coaxially into the member 1, and a stop valve whose closure member 5, controllable by the member 15, is pressed against the valve seat 3. The member 1 has a closure device 12 which completely shields the valve closure member 5 on the outlet end side of the member in the disconnected position of the coupling. The member 15 has projections 16 which are guided by grooves 7 in a bush 2 into recesses 14 formed in the closure device 12. The latter has projections 13 which lie in an annular groove 10 formed in the bush 2, when the members 12 and 14 are turned through approximately 45 degrees, the projections 16 slide on a seating 9, until projections 13 enter the zone of a guide groove 11 which permits the member 15 to be pushed further into the bush 2 so as to displace the plate 5 from the seating 3 to form a fluid connection, via apertures in the side of closure device 12, through the coupling. The coupling is retained in the coupled position by two spring loaded balls 18 (not shown) in the bush 2 snapping into the projections 16.
Patent GB-400968-A (GB)
Abstract: 400,968. Calculating- apparatus. BURROUGHS ADDING MACHINE CO., 2nd Avenue, Detroit, Michigan, U.S.A.- (Assignees of Muller, R. L.; 2nd Avenue, Detroit, Michigan, U.S.A.) May 3, 1932, No. 12780. Convention date, May 4, 1931. [Class 106 (i).] Column-spacing.-The paper-carriage of a calculating-machine is provided with the usual tabulating-mechanism and with a skip-tabulating mechanism which can be set to act automatically after a predetermined number of operations of the machine or normal movements of the paper-carriage and thereby cause the paper-carriage to skip one or more predetermined columns. The Burroughs machine, shown in Figs. 1 and 3, the latter being a rear view, includes (i) tabulating-mechanism comprising stops'51 adjustably mounted on a rod 50 on the carriage C and co-operating successively with an abutment 55, release of the active stop being effected by a dog 56 mounted on a slide 57, and (ii) the repeatprinting mechanism described in Specification 193,455, [Class 106 (i), Calculating &c.], and comprising means under the control of rollers 40 on the carriage for holding down the motorbar 13 and the keys 10 during a predetermined number of operations. The skip-tabulating mechanism is set by depressing a key 70 which is arranged to depress the motor-bar and to be returned thereby to normal position. The mechanism comprises a slide 99 having a V-end 100 for engaging a V-notch 101 in the abutment 55. The abutment is pivoted on a stud 60 and connected to a spring 102, the stud being movable in a slotted guide and being connected to a dashpot 65. The slide 99 is connected by a spring 97 to a slide 92 having a pin 91 engaging a dog 82 on a slide 80. A pin 79 on the slide 80 engages a bell crank 78 which is connected by linkage 77 .. 72 to the key 70. The dog 82 is normally out of the path of a pin 84 on a bell-crank 85 provided with a oneway abutment 88 arranged in the path of one or more rollers 89 adjustable on a rod 90 on the carriage. The slide 92 co-operates with a latch 103 having a one-way abutment 112 arranged in the path of one or more tappets 110 adjustable on the rod 50. When the key 70 is depressed, the dog 82 is moved into the path of the pin 84, and after a predetermined number of tabulations under control of the stops 51, one of the rollers 89 rocks the bell-crank 85, the slide 92 moves the slide 99 into engagement with the abutment 55, and the slide 92 is retained by the latch 103. The abutment 55 is frictionally retained by one of the stops 51 until the dog 56 releases the stop. Thereupon, the slide 99 depresses the abutment, the carriage skips a predetermined number of columns, one of the tappets 110 releases the latch, the slides 92, 99 are returned to normal position by a spring 95 and the skipping movement is terminated by one of the stops 51. The key 70 and slide 80 remain in displaced position under control of the repeat mechanism, thereby permitting succeeding rollers 89 and tappets 110, if any, to effect further skip tabulations.
Patent GB-1338921-A (GB)
Title: Method of securing end contacts to electrical cables
IPC: H05B3/06
Filed: 1971-08-27
Abstract: 1338921 Attaching connections PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 27 Aug 1971 [31 Aug 1970] 40305/71 Heading B3A [Also in Divisions H2 and H5]  A method of securing end contacts to an electrical cable 1, Fig. 1, which cable comprises a core 3 provided with an electrical conductor, such as an electrically conducting heating wire 4, and a fibre coating 2 of an electrically insulating material, comprises providing the cable with a clamping member 5 near the cable end, folding back over the clamping member a length of fibre 7, Fig. 5, between the clamping member and the cable end, sliding an end contact 8 provided with two coaxially aligned bores (9), 10, Fig. 3 (not shown), of different diameters on to the cable end, the smaller diameter bore accommodating a bored part of the core and the larger diameter bore extending over the clamping member and the folded coating to beyond the clamping member, and crimping the end contact on the side of the clamping member remote from the cable end. The end contact may have any desired external shape, e.g. a bore of rectangular cross-section, Figs. 6, 7 (not shown). In alternative embodiments, where the contact is formed from a metal sheet, a pin or screw may be driven into the core after the end contact has been placed on the cable. Also, a pin and bush assembly (15), (16), Fig. 11 (not shown), may be used to prevent part (14), Fig. 8 (not shown), of the sheet from opening. After insertion of the pin or screw, the bush (16) can be connected to the end contact by welding, soldering or crimping. The clamping members may comprise strips, bushes, foils or wires which may be wound on to the cable in either a single layer or a spiral. The flexible core of electrically insulating material may comprise glass or asbestos fibres or synthetic resinous materials, and the coating consist of one or more braids and/or spinnings of a fibre material, e.g. glass fibre.
Patent GB-1180985-A (GB)
Title: Suspended Web Roll Support
IPC: B65H16/10
Filed: 1967-09-04
Abstract: 1,180,985. Feeding webs. CUTTERS MACHINE CO. Inc. 4 Sept., 1967 [24 Oct., 1966], No. 40321/67. Heading B8R. In a two drum web unwinder, the web-roll 26 is supported by a pair of spaced bearing blocks 21 vertically slidable on upright standards 19, and by the drums or feed rollers 49, 50, which are spring urged upwardly into engagement with the web-roll 26. As the web is unwound from the roll 26, the diameter will decrease, permitting springs 63 and 64 to urge link arms 53 and 54, and consequently rollers 49 and 50 up. wardly. As the rollers rise, a limit switch 70 will eventually be actuated to energize a motor (41, Fig. 2) which will lower the bearing blocks 21 via a gear train 36, 37, sprockets 33 and chain 29. The feed rollers 49 and 50 are therefore depressed and the switch 70 de-actuated to stop the motor (41). A plate 90, attached to front link arms 53, extends transversely across the web and prevents it from winding around the feed roller 49. The complete unwinding apparatus is mounted on roller bearings 14 on the cloth spreading machine 12, which allows for transverse registration of the web. The motor (41) may be reversed to raise the bearing blocks 21 for the insertion of a replacement web-roll. As illustrated in Fig. 2, any number of feed rollers or feed roller sections 49 and 50 may be mounted coaxially on the roller shafts 51 and 52, respectively.
Patent GB-1043390-A (GB)
Title: Double ampoule, hypodermic syringe or part of same
IPC: A61M5/28
Filed: 1963-10-14
Abstract: 1,043,390. Hypodermic syringes. C. E. JENSEN. Oct. 14, 1963 [Oct. 12,1962; May 6,1963], No. 40399/63. Heading A5R. A hypodermic syringe comprises an inner ampoule 1, having pierceable walls at both ends, slidable in an outer ampoule 16,17, the inner ampoule having a piston 10 which co-operates with the inner wall of the outer ampoule, the hypodermic needle 19 used for making the injection being long enough to extend through the inner ampoule. One end of the first container 1, which is made of glass, is located in the second container 16, 17 and comprises a neck 6 (Fig. 2 not shown) on which is mounted a pierceable metal cap 8 having a flange 9 on which the apertured piston 10 is secured. Alternatively the neck, cap and piston may be made of plastics in one piece with a first container of plastics. For storage, the piston is tightly fitted within a circumferential constriction 18 (Fig. 3 not shown) at the open end of the second container. The other end of the first container is closed by a rubber diaphragm 3 (Fig 2 not shown) and an apertured cap. A liquid is contained in the first container and a powder in the second container. In use, the rubber diaphragm 3 and the metal cap 8 are pierced by a double-pointed needle 19, which then extends through the first container into the second container. The first container is then pushed further into the second container, air being vented through the needle. The needle is then withdrawn into the first container, which is pulled partially out of the second container, so that air pressure in the second container is reduced and liquid flows from the first container into the second container. The needle is then pushed again into the second container. Medicament is ejected through the needle for an injection by pushing the first container into the second container. The needle is protected by an apertured sheath 21, the open end of which is constructed to engage the needle tube tightly so that the needle is wiped by the constriction as the sheath is withdrawn. The aperture 23 in the sheath is protected by a cap 24, which is removed before the ampoule is prepared for an injection.
Patent GB-1109280-A (GB)
Title: Thread-guide drum
IPC: B65H54/50
Filed: 1965-09-28
Abstract: To strengthen the crossing points of a thread guide drum having shallow grooves crossing deeper grooves, a wear-resistant inlay of sheet form is arranged to form the base of each shallow groove where it opens into the deeper groove.  Each inlay may be of semi-circular form such that its chord coincides with the wall of the deeper groove or is let slightly into the wall.  The flat uppermost face of each inlay may be notched to form part of the wall surface of the shallower groove with which the thread comes into contact.
Patent GB-995210-A (GB)
Title: Improvements in or relating to coal-cutter or like stoping machines
IPC: E21C35/00
Filed: 1963-10-18
Abstract: 995,210. Mineral-mining machines. HOUILLERES DU BASSIN DE LORRAINE. Oct. 18, 1963 [Oct. 23, 1962], No. 41181/63. Drawings to Specification. Heading E1F. [Also in Division G4] As a coal cutter advances, pulses are produced which rotate a screw to move a recording stylus along a constantly rotating record drum. As the coal cutter moves backwards or forwards one of two switches is closed and opened by a cam at a frequency depending on the speed of travel. Pulses from either switch actuate a corresponding solenoid-operated pawl to rotate a corresponding one of two ratchet wheels, having oppositely-directed teeth, on the rod of the screw. If the stylus reaches the end of the screw further actuation of the pawl producing movement in the same direction is prevented.