baber/WOPTO huggingface dataset:
Patent GB-722743-A (GB)
Title: V-shaped clamp for fabric and the like sheet material
IPC: D06F55/00
Filed: 1952-06-10
Abstract: 722,743. Clamps. ZIEGLER, M. June 10, 1952, No. 14611/52. Class 44. A V-shaped strip metal clamp has equal length arms a, b Fig. 1, the edges of which normally lie in two parallel planes spaced apart by the width of the strip, and a gripping member integral with the end of each arm, the gripping members d, e being bent inwardly towards an imaginary line bisecting the angle between the arms and also in opposite directions to lie at small angles to the said planes (see Fig. 2). When the clamp is compressed towards the position shown in Figs. 3 and 4, the edges h, i Fig. 4, of the members e, d, coact with the interpositioning of fabric or like sheet material therebetween and cause the arms a, b to deflect about the fold c of the clamp, and thus secure the fabric or the like between the edges h, i.
Patent GB-582751-A (GB)
Title: Improved reinforced-concrete structure and method and means of constructing it
IPC: E04B5/21
Filed: 1940-09-27
Abstract: 582,751. Reinforced concrete. THOMAS, R. B. Sept. 27, 1940, No. 14612. [Class 20 (iv)] A reinforcedconcrete structure consists of a thin slab below which are diagonally arranged ribs. The centring C consisting' of stamped material such as asbestos cement, wood fibre, or sheet metal has sloping sides to facilitate stacking and flanged perforated edges for interconnection.
Patent GB-235392-A (GB)
Title: Improvements in or relating to magnetic compasses
IPC: G01C17/00
Filed: 1924-06-17
Abstract: 235,392. Godsave, G. E. June 17, 1924. Mariners' compasses.-The corrector-magnet holder and the base or casing of the compass are made relatively detachable, so that for example the holder can be removed to facilitate adjustment of the corrector-magnets when the compass is in an inacessible position, as on an aircraft. Alternatively the compass casing may be made detachable from any one of a number of fixed corrector-magnet holders. In Figs. 1, 3 and 10 showing a holder detachable from the compass casing, the holder consists of a hollow cylinder 1 having holes 2 to receive the magnets and surrounded by a sleeve 3 with a longitudinal slit 4. At its lower end the cylinder 1 is closed by a plate 5 having a central aperture and screwed to the cylinder, and at its upper end it is formed with a shoulder 11 to receive a plate 8 to which the base 10 of the compass is secured by screws 9. A stem 12 passing axially through the cylinder has a threaded extremity 14 engaging in the plate 8, and is formed towards its lower end with a groove 15 for engagement with the aperture in the plate 5. This stem is bifurcated so that its two parts will spring outwards when the groove 15 engages the said aperture so as to lock the parts in position. A projection on the plate 8 is adapted to engage in a depression 17 in the cylinder 1 to ensure the correct angular disposition of the correctors in relation to the compass. In the form shown in Figs. 15 and 17, in which the compass is removable from the corrector-magnet holder, the holder comprises a hollow cylinder 21 provided with a series of diametrical tubes 23 arranged in sets at right-angles to each other to receive the magnets. Secured at its lower end 32 within the cylinder 21 is a spring catch 31 which can be pressed inwards by a plunger 34 operated by a knob 36. The base 10 of the compass is provided with a downwardly-extending hollow spigot 26 having recesses 28 to pass over the tubes 23 and a notch adapted to be engaged by the catch 31. A tongue secured within the cylinder 21 engages in a groove 30 in the spigot 26 to ensure the correct angular disposition of the parts.
Patent GB-236715-A (GB)
Title: Improvements in and relating to decorated or ornamental structural material
IPC: G03C5/02
Filed: 1924-06-17
Abstract: 236,715. Nicoll, L. G. June 17, 1924. Ornamental photographs.-The ornamentation of wood, metal, pulp-board, natural or artificial stone by forming thereon a photographic representation of the grain of wood or the veining of artificial stone is effected by producing a bromide print by the projection of light through an ordinary negative containing a representation of the grain &c., or a positive obtained therefrom, on a bromide stripping paper, the exposure of which is controlled locally, and transferring the emulsion, after development and fixing, to a sheet of glass or other transparent material, thus forming a corrected negative or positive transparency adapted to be used for the preparation of contact prints which are subsequently transferred to the surface to be decorated. In order to reproduce the effect of quartering, the alternate images of the grain are positive and negative representations. Specifications 221,235 and 236,714 are referred to.
Patent GB-719882-A (GB)
Title: Process for improving hydrocarbons boiling in the gasoline range
IPC: C10G59/02
Filed: 1952-06-11
Abstract: The knock-stability of hydrocarbons of gasoline boiling-range is improved by a catalytic treatment under pressure in the presence of hydrogen in two stages, in the first to convert cycloalkanes to aromatics and partially to isoalkanes using a pressure of 20-100 atmos., a temperature of 430-500 DEG  C., and a metal or compound, particularly a sulphide, of a metal of Group 6 or 8 deposited on alumina activated with a hydrogen halide or a substance producing the same, and in the second to subject the products to dehydrocyclization of alkanes using 3-15 mols. of hydrogen per mol. of hydrocarbons at 475-550 DEG  C. and a metal or compound of a metal of Group 5, 6 or 8 which may be deposited on a carrier other than one activated with hydrogen halide or substance producing the same.  The catalyst metal or compound in the first stage may be platinum, rhodium, nickel-tungsten sulphides or cobalt-molybdenum sulphides.  The alumina may be activated with hydrogen fluoride, fluorobenzene, ammonium fluoride or tert.-butyl chloride.  Flow rate is generally 0.5-5 kg. hydrocarbons per litre of catalyst per hour, and the amount of hydrogen perferably 3-10 mols. per mol. hydrocarbons.  In the second stage the catalyst metal may be vanadium, molybdenum, or platinum, the flow rate is preferably 0.1-2 kg./litre/hour, and the total pressure 1-25 atmos.  The process is of particular use in treating gasolines containing less than 30 per cent cycloalkanes. Examples describe the treatment of a 110-190 DEG  C. fraction, first with a commercial platforming catalyst comprising platinum on hydrogen halide-activated alumina, and then with platinum on alumina containing potassium fluoride or with molybdenum on alumina or first with tungsten-nickel sulphides on hydrogen fluoride-activated alumina and then with molybdenum on alumina.ALSO:A platinum-alumina-potassium fluoride catalyst is prepared by precipitating an aluminium chloride solution with 2.5 per cent. ammonia at a pH of 8.9, washing free from halogen, treating with potassium fluoride solution, and mixing with a platinum sulphide sol obtained by passing H2S through a 1 per cent. solution of hydrochloroplatinic acid.  The paste is dried at 170 DEG C. and pelleted.  Composition by weight is Al2O3 100, Pt 0.7, K (as KF) 2, A tungsten-nickel sulphide-alumina-hydrogen fluoride catalyst is prepared by precipitating alumina as above, treating with hydrogen fluoride solution, and mixing with the precipitate obtained by acidifying with sulphuric acid to a pH of 1.5 a mixture of a solution of (NH4)2 WS4, 25 per cent ammonia saturated with H2S, and a solution of nickel nitrate.  The slurry is dried under reduced pressure in nitrogen at 140 DEG C. and pelleted.
Patent GB-757711-A (GB)
Title: Improvements in or relating to torches for forming flames from combustible gases such as oxygen and acetylene and supplying metal powder to the flames
Inventor: TAYLOR FREDERICK NOEL
IPC: F23D14/40
Filed: 1953-05-27
Abstract: 757,711. Welding by fusion. DEWRANCE & CO., Ltd. May 27, 1954 [May 27, 1953], No. 14765/63. Class 83 (4). [Also in Group XXIX] An injector unit for injecting metal powder into the gas stream of a flame welding or coating torch is insertable between the nozzle and the body containing the gas-control valves of a standard flame torch and houses a readily removable injector nozzle assembly which may be one of a set of interchangeable injector nozzle assemblies of different sizes to suit various sizes of flame nozzle and types of work. The injector unit is connected to the nozzle 141 and body 1 of a standard torch by union nuts 139, 39 respectively and is provided with a central bore 59 through which is passed a mixture of oxygen and acetylene. A hopper 155 carried by the injector body 51 has a lid 163 provided with an air vent 165. Flow of the powder from the hopper 155 to a passage 65 in the injector body is controlled by a rotary valve 175 having apertures 181 of different sizes and located in any of its operative positions by a spring-loaded detent 193. Additional air may pass through the valve 175 to the passage 65 under the control of a valve 223. The replaceable injector nozzle assembly consists of a pair of complementary interconnected members 81, 83, between which is formed a suction chamber 105. The assembly fits within a casing 77 connected by a union nut 135 to the injector body 51 and the member 81 has recesses 125, 133 co-operating with pins 119, 117 threaded into the injector body 51. The pin 119 has a passage communicating between the passage 65 and the suction chamber 105. Specification 707,228 is referred to.
Patent GB-613078-A (GB)
Title: Apparatus for lubricating railway rails
IPC: B61K3/02
Filed: 1947-04-21
Abstract: 613,078. Lubricating railway rails. FITZMAURICE, G. G., and HULL, F. J. K., (trading as SANDBERG), and GRAHAM, A. J. W. April 21,1947, No. 14821/46. [Class 12 (iii)] In a lubricating arrangement for the curved track of railways a supply of atomized lubricant is automatically sprayed on to a rail or a train wheel by one or other of twin units in each of which the flow of lubricant is controlled by a float valve actuated by the movements of the train, such float valve controlling both the opening and closing of an oil feed valve and the starting and stopping of a fan for delivery air to the lubricant. Only the unit corresponding to the elevated outer rail is operated. The control is effected by a float K enclosed in a liquid chamber L, the float having a stem N which actuates an oil-flow control valve and a switch M for starting up a fan E, whereby compressed air is applied to the oil reservoir A through a pipe F, and through a pipe G to an atomizer fitted in the discharge pipe D. A hand valve O further regulates the oil flow. A sight feed P is included in the discharge pipe.
Patent GB-759024-A (GB)
Title: New or improved coupling means for joining cables, shafts and the like
Inventor: DIMBLEBY THOMAS EDWARD
IPC: F16G11/10
Filed: 1953-05-28
Abstract: 759,024. Shaft couplings. BENTALL & CO., Ltd., E. H. June 17, 1954 [May 28, 1953], No. 14830/53, Class 80(2) [Also in Group XXV] A coupling means for joining shafts, &c., consists of half couplings of identical formation each of which incorporates a plurality of axially projecting spaced members which are adapted to be engaged in mating relationship with the axially projecting members of a complementary half coupling, by axially sliding the projecting members of each half coupling into the spaces between the axially projecting members of the complementary half coupling, and means for locking the projecting members in mating relationship when so engaged. In the embodiment of Figs. 2, 3 and 8, cables &c. 21 are attached to half coupling members A, B, which are coupled together by sliding projections 223 on blocks 22 past each other into mating relationship, the blocks 22 being held to the parts A and B by a "bayonet joint action" 225, 203 and held in place by arcuate keys 23. When the projections 223 are mated, locking rings 24, held within slots 224 in the fingers 223 and initially positioned so that springs 243 thereon engage certain notches 205 in the half couplings A and B, are turned to bring the segments 241 on the rings 24 into locking engagement with the slots 224 of the fingers 223, the springs 243 then engaging other notches 205 in members A and B. In a further embodiment, not shown, the rings 24 are provided with internal locating notches with which spring-urged plungers co-operate to maintain the coupling. In a still further modification, Fig. 14, the half coupling members A, B. are each formed with threes fingers 223 each formed with an intermediate arcuate slot 224 of width to take two split locking rings 24 side by side, the split portions of the rings being turned outwards for easy manipulation. In use, the fingers 223 are slid into mating relationship and the split rings are then sprung into place. In a still further modification, the fingers 223 are each formed at their ends with a claw portion so that engagement is effected by sliding the fingers axially and then turning the half couplings relatively to each other. They are locked in this position by locking sleeves 27 (not shown) on each half coupling slid axially into position. Specifications 520,375 and 540,188 [both Group XXV], are referred to.
Patent GB-903906-A (GB)
Title: Electron probe x-ray analyzer
IPC: H01J37/252
Filed: 1961-04-25
Abstract: 903,906. X-ray tubes. APPLIED RESEARCH LABORATORIES Inc. April 25, 1961 [Aug. 29, 1960], No. 14865/61. Class 39 (1). In apparatus for irradiating a specimen with electrons and sensing X-rays emitted therefrom, an electron beam is focused upon a selected region of the specimen 36 by an electron lens 30 and the X-ray sensing means is arranged to receive X-rays which pass through the lens in a direction opposite to that of the electron beam. Means for producing an optical image of the specimen are also provided. As shown, an electron beam from gun 14 passes through a condenser lens 22 between diaphragms 20, 28, 34. Movable fluorescent screens 24, 32 are provided for monitoring the beam during preliminary adjustments. The specimen 36 is located at the focus of objective lens 30 which comprises magnetic plates 50, 52 having conical apertures, a depending annular coil in housing 54 and six radially-extending, ferromagnetic, adjustment screws 60. Both magnetic lenses 22, 30 are liquid-cooled. Mirrors 38, 72, 74 enable the specimen to be viewed through eyepiece 76. One or more spectrometers 40 are each mounted in a plane containing the electron beam axis and each includes a diffraction crystal 66 mounted for rotation upon itself and for translation along the 52.5 degree emergence angle of the X-rays, and a detector 92 travelling synchronously therewith. The specimen 36 is held by a spindle 42 which is rotatable and axially movable relative to a slide 96, which is itself movable in a direction transverse to the electron beam axis. A selector 114, rotatably supported on slide 96, holds a plurality of different specimens which may be selectively raised by spindle 42 to the analysis position. Gate valves 18 and 128 are provided to permit changing of the electron gun filament and of the specimens in selector 114 without breaking the vacuum in the main chamber 10.
Patent GB-913362-A (GB)
Title: Improvements in fluid pressure pumps or motors
Inventor: FIRTH DONALD
IPC: F01B1/06
Filed: 1959-05-01
Abstract: 913,362. Reciprocating pumps. COUNCIL FOR SCIENTIFIC & INDUSTRIAL RESEARCH. April 27, 1960 [May 1, 1959], No. 14889/59. Class 102(1). [Also in Group XXIX] In a positive displacement pump or motor comprising a main eccentric 1 on whose periphery bear slippers 2 of piston rods 3 having part spherical ends 4 connected to pump pistons 6 reciprocable in cylinders 7, inlet and discharge cylinder ports 11, 12 are controlled by piston valves 13 actuated through push-rods 15 and tappets 18 by a cam 16 (or 17) bolted to the eccentric. Each valve comprises a tubular double-landed piston through which the rod 15 passes with clearance and a screw-threaded thimble 30 closing its upper end formed with a conical bore 32 terminating in a part-spherical seat 31 against which the hemi-spherical end 33 of the push-rod bears. The seat 31 and valve control edge 23 are as near as possible at the same level and the radius of the end 33 preferably less than that of the seat 31 so that heat generated in pumping limits the thermal expansion of the valve member and the conduction of heat to the push-rod to a minimum. The clearance between the push-rod and the valve member also insulates the former from the latter.
Patent GB-145251-A (GB)
Title: Improvements in the construction of stairs
IPC: E04F11/09
Filed: 1919-06-12
Abstract: 145,251. Bois, N., and Franklin, J. June 12, 1919. Stairs are formed of a series of units each comprising a tread 3 and riser 5 formed in one piece, the extremities of the tread and riser being formed as shown separately in Figs. 2, 4, and 6, so that each riser will interlock with the extremity of the tread above. The lower part of the riser is provided with a recess at 8 which, with the tread, forms a pocket for the reception of concrete, which is formed into a rounded angle 9 as shown. A slate step may be placed on the concrete.
Patent GB-1299031-A (GB)
Title: Device for monitoring the speed of gyroscopes
IPC: H02P29/40
Filed: 1971-05-14
Abstract: 1299031 Measuring gyro speed electrically BODENSEEWERK GERATETECHNIK GmbH 14 May 1971 [20 June 1970] 14968/71 Heading G1N [Also in Division H3] A device for measuring the speed of a gyro driven by an electric motor comprises a transformer 10 the primary winding 18 of which is coupled in the motor current supply circuit and the secondary winding 20 of which is coupled to an oscillatory circuit tuned to a predetermined frequency fo = <SP>#N2À</SP> 60  <SP>no</SP> sec.<SP>-1</SP>, where N 2  is the number of rotor slots on the motor and  no  is the rated speed of the gyro in r.p.m., which circuit therefore responds to speed-dependent rotor current harmonics induced in the motor supply current and in which circuit a switching device for generating a gyro monitoring signal is arranged to respond to the signal amplitude in the oscillatory circuit. The preferred oscillatory circuit includes a Q-multiplier (see Division H3).
Patent GB-1191203-A (GB)
Title: Torsion Spring Mounting Device
Inventor: NORWOOD RONALD MOSS
IPC: F16F1/12
Filed: 1968-03-28
Abstract: 1,191,203. Spring drums; counterbalancing. RICHARDS-WILCOX OF CANADA Ltd. 28 March, 1968, No. 15030/68. Heading B8B. [Also in Divisions E2 and F2] A torsion spring assembly for biasing a rotatable shaft, e.g. a motor-drive shaft for raising and lowering a vertically slidable garage door, comprises a coil spring 19 through which the shaft 9 extends, a pair of collars 24, 25 in the form of stampings the end coils of the spring being welded to the collars. The collar 25 is bolted to a plate 11 which is fixed, e.g. to the garage structure, the collar 24 is bolted to a plate 27, having folds 30 to receive a lever for adjustment purposes, and to which is bolted two brackets 29 through which the shaft extends, the plate 27 being secured to the shaft 9 by screws 34 in the brackets 29. The spring is arranged to be stressed when the door is closed and relaxed when the door is open so that only a small motor is required to rotate the shaft to raise the door.
Patent GB-102143-A (GB)
Title: Improvements in Control Switches for Electrically Controlled Apparatus for Measuring Liquids.
Inventor: ANDERSON OSCAR
IPC: G01F13/00
Filed: 1916-10-23
Abstract: 102,143. Anderson, O. Nov. 11, 1915, [Convention date]. Electro-magnetic switches. -A switch, for use with electricallycontrolled apparatus for measuring liquids in which the circuit is closed and broken at each measuring operation, is controlled by an electro-magnetic escapement the wheel of which is displaced according to the number of measurements to be made and is brought back in steps to the zero position in which the circuit is finally broken. The zero position of the escapement-wheel 1 is fixed by the spring 4, and the double pawl 2 pivoted on the spindlo 5 is secured to the armature 6 of the electro-magnet 7, the circuit of which includes the two spring contacts 8, 9. These springs tend to remain in contact, but the spring 8 is held by a shoulder 11 on a spring 12. If the apparatus is to effect five measurements, the handle 15 of the wheel 1 is moved to the position shown in Fig. 3, its movement being limited by a stop inserted in one of the holes 17. The button 18 is depressed to release the spring 8 from the spring 12, and the springs 8, 9 make contact. The circuit is completed by the measuring-apparatus, and the electro-magnet 7 attracts its armature 6 against the pull of the spring 20. The double pawl 2 is moved and allows the spring 4 to move the wheel 1 backwards one step. This action is repeated at each measuring operation until the projection 10 on the wheel engages the spring 8 and allows the spring 12 to lock it once more. Specification 4052/15, [Class 110 (ii), Rotary engines &c], is referred to.
Patent GB-119913-A (GB)
Title: Improvements in Means for Securing Felt or similar Hoods to the Brim Pans, Moulds or Curlers of Hat Shaping or Blocking Machines.
Inventor: WHITE MATTHEW
IPC: A42C1/04
Filed: 1917-10-18
Abstract: 119,913. White, M., and Webb, F. Oct. 18, 1917. Blocking and shaping.-Hoods are secured to pans, moulds, or curlers by a string or binder formed with a loop and connected at one or both ends to means controlled by a lever for tightening or slackening the loop. In the form shown in Figs. 1 and 2, the binder a, formed with a loop a<1>, is adjustably connected at one end, by means of a nut i working in a hole in a screw-threaded post h, to a post b mounted on the bench or table c, while the other end passes over a pulley d and is attached to a weighted treaclle lever f. In the modification shown in Fig. 3, the looped binder a is connected at each end to a vertical lever j, j<1> provided with weights m, m<1>, and connected by a card l to the weighted lever f<1>. The binder is slackened in both cases by depressing the treadle. Springs can be used instead of weights.